CN109925846A - Ship desulfurizer and ship - Google Patents

Abstract

The present invention provides configurability when being configured at the ships such as super large marine excellent ship desulfurizer and ship.Ship desulfurizer for carrying out desulfurization to the exhaust gas being discharged from the exhaust producing device for being equipped on ship has: absorption tower comprising delimit out the absorbent tower body portion of inner space；Dispensing device can dispense cleaning solution to the exhaust gas flowed in the inner space；And filler, it is filled in the filled layer in inner space setting and is laminated along longitudinal direction, and it is configured to that the cleaning solution is made to carry out gas-liquid contact with the exhaust gas passed through in the filled layer, the absorbent tower body portion has a pair of of wall surface that the width direction along the ship is separated and extended parallel to each other, and the filler includes multiple regular fillers that the wall surface of wall surface to another party side of the side side from the pair of wall surface is arranged along the width direction of the ship.

Description

Ship desulfurizer and ship

The application is international application no PCT/JP2018/012825, thenational phase application number 201880001424.6, application On March 28th, 2018 day, entitled " the one-piece type desulfurizer of ship desulfurizer, shell, ship and shell are one-piece type The divisional application of the application of the assemble method to ship of desulfurizer ".

Technical field

The present invention relates to ship desulfurizer and the ship equipped with the ship desulfurizer.

Background technique

It is used in discharge confined waters (sea area ECA) along with the reinforcing of the exhaust gas limitation for ship in recent years Sulphur ingredient is that 0.1% fuel oil below or the bodyfixed frame with equivalent effect therewith become obligation.Moreover, 2020 Year, even if the use of sulphur ingredient being that 0.5% fuel oil below or substitution with equivalent effect therewith are arranged in general sea area Applying also becomes obligation.In the past, in the super large marines such as such as ULCS (Ultra Large Container Ship), by making Coped with the few low sulphur fuel oil of sulphur ingredient, though it is contemplated that from now in these super large marines desulfurizer setting Demand can also increase.

Reach such as 200,000 from the exhausted air quantity (exhausted air quantity when 100% load) that the sustainer of super large marine is discharged Nm³/ h or more.Moreover, in super large marine, be provided in response to various electricity needs in ship etc. multiple generators, Boiler.Therefore, in the desulfurizer for being equipped on super large marine, in order to from these sustainers or multiple generators, pot The a large amount of exhaust gas that fire grate goes out carries out desulfurization, and it is necessary to have the big absorption towers by area.If be intended to by for example in bulk The previous desulfurizer of the sustainer carried on the smaller ship such as freighter copes with such case, then needs to configure Multiple absorption towers, be configured in ship aspect can generate restriction in the reduction of loading or the design of hull dimension enlargement etc. or Change.

In addition, absorption tower of the desulfurizer of previous smaller sustainer using round (round shape), it is also considered that The circular absorption tower is carried out to the situation of enlargement towards super large marine.However, circular absorption tower and rectangular Absorption tower etc., which is compared, is easy to produce dead space volume when being configured in ship, therefore can generate allocative efficiency being configured at aspect in ship The problem of difference.

Therefore, in order to eliminate above-mentioned problem, the absorption tower of the desulfurizer as super large marine, it is contemplated that use With the rectangular absorption tower of actual effect in the desulfurizer on the land of complete set of equipments or factory etc..For example, patent is literary It offers 1 and discloses an example of cleaning device, which is for removing in manufacturing process, industrial process and business process etc. The wet type washing device of the polluters such as particle-like substance, pernicious gas, acid compound and the stench of generation has rectangular Purge tank (absorption tower).

Citation

Patent document

Patent document 1: No. 5631985 bulletins of Japanese Patent Publication No.

Patent document 2: Japanese Unexamined Patent Publication 9-239233 bulletin

Summary of the invention

Subject to be solved by the invention

However, absorption tower rectangular used in the desulfurizer on land it is most of for, by absorption tower Inner space in the length of exhaust gas importing direction be set as L, the length in the direction orthogonal with exhaust gas importing direction is set as W's In the case of, the ratio between the W and L (W: L) are in 1: 0.2~1: 1.0 range.That is, the flat shape on absorption tower is formed as along exhaust gas Importing direction has the rectangular shape of longitudinally with width direction, along the direction orthogonal with exhaust gas importing direction.This It is because when being formed as along the shape that exhaust gas importing direction has longitudinally, in the nearby side of longitudinally, (exhaust gas is imported Mouth side) and it is inboard (opposite side of exhaust gas inlet), gas flow rate difference is larger, is difficult to flow exhaust gas equably in absorption tower It is dynamic.When the flowing of the exhaust gas in absorption tower becomes uneven, there are the desulfurization process in absorption tower to generate unequal desulphurizing ability A possibility that capable of declining.

In order to cope with such problems, in the cleaning device of above-mentioned patent document 1, it is arranged in the upper end on absorption tower Exhaust gas inlet, by the exhaust gas imported from the exhaust gas inlet via the exhaust steam passage extended vertically in absorption tower to setting Gas distributing chamber in the lower part on absorption tower imports, and thus flows exhaust gas equably in absorption tower.

However, when being intended to absorption tower disclosed in such patent document 1 being diverted to the absorption tower of super large marine, meeting Several configurations as shown below are led to the problem of to restrict.

First, the flat shape on absorption tower disclosed in patent document 1 is considered as generally square (W: L=1: 1), still In certain super large marine of such as ULCS etc., sometimes with the flat shape along exhaust gas importing direction with longitudinally The configurability on absorption tower is more excellent.

Second, in the purge tank disclosed in patent document 1, extended vertically in absorption tower as described above, being formed with Exhaust steam passage and the gas distributing chamber being arranged in the lower part of purge tank.Therefore, with above-mentioned exhaust steam passage, gas distributing chamber phase are set There are problems that the volume on absorption tower increases with answering.

Third, the absorption tower of ship are set as protruding upwards than upper deck in most cases, on the other hand, as master Engine room of the sustainer configuration in the exhaust gas discharge source wanted in the lower section being located inside hull.That is, absorption tower most cases Under be in board configured at the top of sustainer.Therefore, if it is the absorption tower of patent document 1, then needing will be from sustainer The exhaust gas of discharge crosses side end and specially guides to upper end rather than guide to the side end on absorption tower, therefore there are exhaust gas to lead Enter the elongated problem of the extension of pipeline.

In addition, patent document 2 illustrates the desulfurizer (Fig. 3 and Fig. 4) with the rectangular absorption tower for being equipped on ship. However, the absorption tower of the patent document 2 is not mounted in oil carrier (this ship) and is mounted in by the barge of this ship towage, about general The scheme for configuring the project on restricting and solving project when desulfurizer is configured at ship (this ship) does not make any disclosure.

The present invention is the invention made under background technique as described above, the purpose of an at least embodiment of the invention It is to provide a kind of ship desulfurizer that configurability when being configured at the ships such as super large marine is excellent.

Solution for solving the problem

(1) the ship desulfurizer of one embodiment of the present invention is used for from the exhaust producing device for being equipped on ship The exhaust gas of discharge carries out desulfurization, has:

Absorption tower comprising absorbent tower body portion, the absorbent tower body portion delimit the inner space for providing longitudinally, And the end of the side side on the longitudinally is formed with the exhaust gas inlet being connected to the inner space；And

Exhaust gas gatherer is used to draw from the exhaust gas that the exhaust producing device is discharged to the absorbent tower body portion It leads,

The maximum length of the longitudinally of the inner space in the absorbent tower body portion is being set as L, by the suction In the case that the maximum width in the width direction orthogonal with longitudinally of the inner space of receipts tower main part is set as W,

The ratio between the maximum width W and the maximum length L (W: L) are in 1: greater than 1.1 and 1: the model less than or equal to 6.0 It encloses.

The ship desulfurizer for the embodiment that above-mentioned (1) is recorded has absorption tower, which includes absorption tower master Body portion, the absorbent tower body portion delimit the inner space for providing longitudinally, and the side of the side side on longitudinally End is formed with the exhaust gas inlet being connected to inner space.That is, the inner space in absorbent tower body portion is configured to lead along exhaust gas Enter direction with longitudinally.Therefore, it is difficult to generate dead space volume compared with the absorption tower of previous circle (round shape), therefore to Configurability when ship configures is excellent.Moreover, be capable of providing relative to such as ULCS etc. (having has along exhaust gas importing direction The configurability on the absorption tower of the flat shape of longitudinally is excellent) the excellent ship of configurability for the super large marine of certain type Use desulfurizer.Moreover, there is lengthwise along the direction orthogonal with exhaust gas importing direction with the inner space in absorbent tower body portion The case where direction, is compared, and can reduce the external risk that is discharged of the exhaust gas with undesulfured state to absorption tower.

In addition, according to the embodiment of above-mentioned (1), at the ratio between maximum width W and maximum length L of inner space (W: L) In 1: greater than 1.1 and 1: the range less than or equal to 6.0.In this way, by by the maximum width W of inner space and maximum length L it The upper limit than (W: L) is set as 1: 6.0, and the inhomogeneities that the exhaust gas in absorption tower can be made to flow is in present inventor's discussion In permissible range in practical use.

(2) in several embodiments, by above-mentioned (1) record ship desulfurizer based on, wherein it is above-mentioned most Big the ratio between width W and maximum length L (W: L) are in 1: greater than 1.5 and 1: the range less than or equal to 2.0.

The uniformity of exhaust gas flowing in absorption tower is remained the maximum of preferred state by discussion according to the present invention The upper limit of the ratio between width W and maximum length L (W: L) are 1: 2.0.On the other hand, it is contemplated that the configurability of the desulfurizer in ship When, the ratio between maximum width W and maximum length L (W: L) preferably increase to a certain degree, the ratio between maximum width W and maximum length L (W: L lower limit) is preferably set to 1: 1.5.Therefore, according to the embodiment of above-mentioned (2), configurability and desulphurizing ability this two side are capable of providing The good ship desulfurizer of excellent balance.

(3) in several embodiments, based on the ship desulfurizer that above-mentioned (1) or (2) is recorded, wherein The longitudinally of inner space of the above-mentioned absorption tower to make absorbent tower body portion is equipped on ship in a manner of the width direction of ship Oceangoing ship.

In the super large marine of certain type of such as ULCS etc., exist be not bow-stern direction along ship and It is the configuration on the absorption tower that there is longitudinally along starboard-larboard direction (width direction) of the i.e. ship in orthogonal direction The excellent situation of property.For example, in above-mentioned ULCS, hull is distinguished on bow-stern direction with can be along the collection The length that the longitudinally of vanning accommodates 40 inches of containers is the multiple regions of basic unit, is sometimes had in 1 area Absorption tower is configured in domain.Therefore, excellent for the configurability of such ship according to the embodiment of above-mentioned (3).

In addition, absorbent tower body portion can be configured to have along the width direction of ship according to the embodiment of above-mentioned (3) There is longitudinally, therefore compared with the absorption tower along the bow of ship-stern direction with longitudinally, can reduce in ship Rolling (inclination) when act on the bending stress on absorption tower, therefore can be set as roll have high resistance absorption Tower.

(4) in several embodiments, based on the ship desulfurizer that above-mentioned (3) are recorded, wherein above-mentioned ship Oceangoing ship has steel plate structure object, and the exhaust gas which is used to be discharged from exhaust producing device is released to outside, is formed as There is the long tubular of longitudinally along the width direction of the ship.Also, tower configuration is absorbed in the steel plate structure object Side.

According to the embodiment of above-mentioned (4), by having the steel of the long tubular of longitudinally in the width direction along ship The inside of plate works configures absorption tower, can be by the influence of the configuration plan for each equipment of others for being equipped on ship etc. Inhibit into minimum limit.Therefore, the remodeling of the ship for both having deposited becomes easy.Moreover, by the way that tower configuration will be absorbed in steel plate The inside of works, compared with the case where inside of equal ship for example in engine room configures absorption tower, setting workability, Maintenance is also excellent.

(5) in several embodiments, based on the ship desulfurizer that above-mentioned (4) are recorded, wherein above-mentioned Steel plate structure object on the inside of be configured to waste heat recovery plant from the waste gas recovery thermal energy being discharged by exhaust producing device.And And absorption tower and waste heat recovery plant are arranged along the width direction of ship.

According to the embodiment of above-mentioned (5), in the inside of steel plate structure object by absorption tower and waste heat recovery plant along ship Width direction be arranged, as a result, with by waste heat recovery plant and absorb tower configuration phase the place being separated from each other the case where Than exhaust gas gatherer can be simply formed.

(6) in several embodiments, based on the ship desulfurizer that above-mentioned (5) are recorded, wherein above-mentioned suction Receiving tower further includes exhaust gas introduction part, and the one end of the exhaust gas introduction part is connected to the exhaust gas inlet in absorbent tower body portion, and It is upwardly extended from one end towards the other end.

According to the embodiment of above-mentioned (6), absorption tower further includes upwardly extending from the exhaust gas inlet in absorbent tower body portion Exhaust gas introduction part.It therefore, can be in steel plate by connecting waste gas ingress pipe line in the other end of the exhaust gas introduction part The absorption tower of the narrow space configuration of the inside of works imports exhaust gas.

(7) in several embodiments, based on the ship desulfurizer that above-mentioned (6) are recorded, wherein above-mentioned useless Gas generation device includes sustainer and assisted engine.Also, exhaust gas gatherer includes: waste gas ingress pipe, from waste heat Width direction of the recyclable device side towards the other end of exhaust gas introduction part along ship extends；Subsidiary engine waste gas ingress pipe connects It is connected to waste gas ingress pipe, the exhaust gas for will be discharged from assisted engine is guided via waste gas ingress pipe to absorbent tower body portion.

According to the embodiment of above-mentioned (7), for the absorption tower of the narrow space configuration in the inside of steel plate structure object, The exhaust gas being discharged from sustainer and assisted engine can be imported.

(8) in several embodiments, it is with desulfurizer with the ship that any one of above-mentioned (1)~(7) are recorded Basis, wherein above-mentioned absorbent tower body portion includes: the long side wall of a pair that the longitudinally along inner space extends parallel to each other Face；A pair of short edges wall surface extended parallel to each other along the width direction of inner space.

According to the embodiment of above-mentioned (8), the flat shape of the inner space in absorbent tower body portion is formed as long by a pair The rectangular shape that side wall face and a pair of short edges wall surface delimited.The absorption tower master of such inner space with rectangular shape Body portion is difficult to generate dead space volume when being configured in ship, therefore the allocative efficiency for being configured at aspect in ship is excellent.

(9) in several embodiments, based on the ship desulfurizer that above-mentioned (8) are recorded, wherein above-mentioned Absorbent tower body portion forms storage space, which accumulates the spreading dispensed for being directed into the exhaust gas of inner space Complete cleaning solution.Also, absorbent tower body portion, which has, connects a pair of of long side wall surface and by storage space along the cross of inner space The transversal transversal component of wide direction.

According to the embodiment of above-mentioned (9), the table of the cleaning solution of storage space is lodged in rolling due to ship etc. In the case that face generates the shaking significantly to rise and fall, the shake of the liquid level is able to suppress by transversal component.Moreover, passing through setting Such transversal component for connecting a pair of of long side wall surface, also can be improved the absorption tower of the inner space with rectangular shape The intensity of main part.

(10) in several embodiments, based on the ship desulfurizer that above-mentioned (9) are recorded, above-mentioned transversal structure Part is made of the beam member with elongate in shape.

Above-mentioned shaking can be realized by the beam member with elongate in shape according to the embodiment of above-mentioned (10) Inhibitory effect and absorbent tower body portion reinforcing effect.

(11) in several embodiments, based on the ship desulfurizer that above-mentioned (9) are recorded, wherein above-mentioned Transversal component is made of the weir plate component with writing board shape.

Above-mentioned shaking can be realized by the weir plate component with writing board shape according to the embodiment of above-mentioned (11) Inhibitory effect and absorbent tower body portion reinforcing effect.

(12) in several embodiments, the ship with any record in above-mentioned (8)~(11) is with desulfurizer Basis, wherein above-mentioned ship is also equipped with desulfurizer for the exhaust gas to the inner space for being directed into absorbent tower body portion Dispense the dispensing device of cleaning solution.Also, dispensing device have in the inner space in absorbent tower body portion with a pair of long side wall The longitudinally sprinkler pipe that face extends parallel to respectively and the multiple Water spray nozzles for being set to longitudinally sprinkler pipe.

According to the embodiment of above-mentioned (12), can make from being set to multiple Water spray nozzles of longitudinally sprinkler pipe respectively To the constant distance of long side wall surface.Cleaning solution can be equably dispensed in inner space as a result, therefore is able to suppress with ship Rocking the spreading that (inclination, pitching, sideway etc.) has been thus cleaning solution becomes the influence of non-uniform unfavorable condition.

(13) in several embodiments, the ship with any record in above-mentioned (8)~(11) is with desulfurizer Basis, wherein above-mentioned ship is also equipped with desulfurizer for the internal sky for being directed into the absorbent tower body portion Between the exhaust gas dispense the dispensing device of the cleaning solution.Also, dispensing device includes the inside sky in absorbent tower body portion Between in, be respectively relative to multiple width directions sprinkler pipe that a pair of short edges wall surface is extended parallel to and equally spaced configured；And At least one respectively arranged Water spray nozzle of sprinkler pipe in multiple width directions.

It, can will be in the respectively arranged Water spray nozzle of multiple width directions sprinkler pipe according to the embodiment of above-mentioned (13) It dispenses region and is set as equal.Cleaning solution can be equably dispensed in inner space as a result, therefore is able to suppress shaking with ship Shake (inclinations, pitching, sideway etc.) be thus the spreading of cleaning solution become the influence of non-uniform unfavorable condition.

(14) in several embodiments, the ship with any record in above-mentioned (1)~(13) is with desulfurizer Basis, wherein above-mentioned exhaust producing device includes sustainer.Also, the exhausted air quantity of sustainer is (useless when 100% load Tolerance) it is 200,000 Nm³/ h or more.

The exhausted air quantity that the ship that above-mentioned (1)~(13) are recorded uses desulfurizer as sustainer is 200,000 Nm³/ h or more The desulfurizer of such super large marine and can use well.It should be noted that the exhausted air quantity about sustainer The upper limit, although being not particularly limited, in practical, be 500,000 Nm³/ h or less.

(15) in several embodiments, the ship with any record in above-mentioned (1)~(14) is with desulfurizer Basis, wherein above-mentioned ship is made of the container ship of the container loading volume with 10000TEU or more.

The ship that above-mentioned (1)~(14) are recorded uses desulfurizer as the container loading volume with 10000TEU or more Super-container vessel (ULCS) desulfurizer and can use well.It should be noted that about container loading The upper limit of volume is 20000TEU or less in practical although being not particularly limited.

(16) in addition, the ship of one embodiment of the present invention carries the ship of any record in above-mentioned (1)~(15) Use desulfurizer.

(17) the ship desulfurizer of one embodiment of the present invention is used to generate dress to from the exhaust gas for being equipped on ship The exhaust gas for setting discharge carries out desulfurization, wherein

The ship has with desulfurizer:

Absorption tower comprising delimit out the absorbent tower body portion of inner space；

Dispensing device can dispense cleaning solution to the exhaust gas flowed in the inner space；And

Filler is filled in the filled layer in inner space setting, makes the cleaning solution and in the filled layer In the exhaust gas that passes through carry out gas-liquid contact.

In the ship desulfurizer for the embodiment that above-mentioned (17) are recorded, when exhaust gas is in the filling for being filled in filled layer When being flowed between object, it can make in the cleaning solution that the contact area on the surface of filler increases and movement disorder due to filler Exhaust gas carry out gas-liquid contact.According to such ship desulfurizer, cleaning solution and exhaust gas can be improved by filler Gas liquid contacting efficiency, therefore compared with not having the case where filler, the sulphur ingredient contained in exhaust gas can be removed effectively.

(18) in several embodiments, based on the ship desulfurizer that above-mentioned (17) are recorded, wherein upper State the wall surface other than wall surface in the wall surface for delimiting out above-mentioned inner space in absorbent tower body portion, marking off above-mentioned filled layer At least part formed lumarith.Also, the wall surface for marking off above-mentioned filled layer in above-mentioned absorbent tower body portion is not formed Lumarith.

Exhaust gas internal flow in absorbent tower body portion of the ship desulfurizer due to high temperature, absorbent tower body portion The wall surface (inner wall) for delimiting out inner space etc. may corrode due to sulphur ingredient for containing in exhaust gas etc..Moreover, Use seawater as in the case where cleaning solution, above-mentioned wall surface etc. may corrode because of seawater.In general, above-mentioned in order to protect Wall surface, it is contemplated that the case where throughout the lumarith of setting by entire surface of above-mentioned wall surface.However, the filler due to rocking for ship It is mobile, it collides with the lumarith protected to the wall surface for marking off filled layer, the lumarith may be made to remove or damage Wound.The removing or damage of lumarith may result in the corrosion of the wall surface by lumarith protection.

Delimitation of the ship desulfurizer for the embodiment that above-mentioned (18) are recorded in absorbent tower body portion goes out inner space Wall surface (inner wall) in wall surface other than the wall surface for marking off filled layer form lumarith.When marking off filled layer Wall surface when forming lumarith, due to rocking for ship, filler is mobile, collides with lumarith, may make the corrosion protection Layer removing or damage, therefore lumarith is not formed in the wall surface for marking off filled layer, it is replaced in this, it will be in absorbent tower body portion The stratiform part for surrounding filled layer is made of corrosion resistant materials such as such as stainless steels, to inhibit the corrosion of wall surface.Such ship Oceangoing ship desulfurizer can prevent the damage of the lumarith as caused by filler, and inhibit to delimit out the corruption of the wall surface of inner space Erosion.

(19) in several embodiments, based on the ship desulfurizer that above-mentioned (17) or (18) are recorded, In, above-mentioned filler is regular filler.

In the ship desulfurizer for the embodiment that above-mentioned (19) are recorded, since filler is regular filler, because This can reduce the pressure loss of exhaust gas compared with the case where filler is irregular filler, and be capable of increasing the place of exhaust gas Reason amount.Therefore, using regular filler as the ship desulfurizer of filler and using irregular filler as the ship of filler It is compared with desulfurizer, can be realized the miniaturization on absorption tower.Moreover, regular filler is compared with irregular filler, it is difficult to It is moved because of rocking for ship, it is difficult to become non-uniform configuration because of rocking for ship.It therefore, is filling with regular filler The ship of object with desulfurizer with using irregular filler as the ship desulfurizer of filler compared with, can reduce exhaust gas with The external risk that is discharged of the undesulfured state to absorption tower.

(20) in several embodiments, the ship with any record in above-mentioned (17)~(19) is with desulfurizer Basis, above-mentioned absorbent tower body portion by make above-mentioned exhaust gas from vertical direction underneath towards top flowing in a manner of constituted.And And above-mentioned dispensing device is configured to upwards spray above-mentioned cleaning solution.

The dispensing device for the embodiment that above-mentioned (20) are recorded is configured to upwards spray cleaning solution.The cleaning sprayed upwards Liquid is miniaturize after upper end (top) dispersion and is fallen, and such as filler in space is thus dispersedly existed inside Surface.Exhaust gas and adheres on the surface of filler in the interior space from when flowing in vertical direction underneath towards top Cleaning solution or the cleaning solution fallen carry out gas-liquid contact, thus remove the sulphur ingredient contained in exhaust gas.

(21) the ship desulfurizer of one embodiment of the present invention is used to generate dress to from the exhaust gas for being equipped on ship The exhaust gas for setting discharge carries out desulfurization, wherein

The ship desulfurizer has absorption tower, which includes delimiting out inner space and being configured to make institute State absorbent tower body portion that exhaust gas flows in the inner space and can be from the external visual in the absorbent tower body portion Confirm the visual confirmation window of the translucency of the inner space.

The absorption tower for the embodiment that above-mentioned (21) are recorded includes the absorption for being configured to flow exhaust gas in the interior space The visual confirmation window of tower main part and the translucency that inner space can be confirmed from the external visual in absorbent tower body portion.Having In the ship desulfurizer on such absorption tower, operator etc. is able to confirm that for example in the interior space via visual confirmation window The flowing etc. of the exhaust gas of flowing.

(22) in several embodiments, based on the ship desulfurizer that above-mentioned (21) are recorded, wherein above-mentioned Inner space has longitudinally.Also, the end of a side side of the above-mentioned absorbent tower body portion on above-mentioned longitudinally has The exhaust gas inlet being connected to above-mentioned inner space.In addition, above-mentioned visual confirmation window be arranged in it is another on above-mentioned longitudinally Square side.

When inner space has longitudinally, opposite side in exhaust gas inlet side and exhaust gas inlet, gas flow rate Differ larger, the flowing of the exhaust gas in absorption tower may become uneven.The absorption tower for the embodiment that above-mentioned (22) are recorded The end of a side side of the main part on the longitudinally of inner space has the exhaust gas inlet being connected to inner space.And And another party side on the longitudinally of inner space is arranged in visual confirmation window.Operators etc., can via visual confirmation window The visual confirmation window that confirmation is set to exhaust gas inlet side is difficult to the stream of the exhaust gas of opposite side confirm, exhaust gas inlet It is dynamic.

(23) in several embodiments, based on the ship desulfurizer that above-mentioned (21) or (22) are recorded, In, above-mentioned ship is also equipped with desulfurizer to dispense spreading for cleaning solution to the above-mentioned exhaust gas flowed in above-mentioned inner space Cloth apparatus.The dispensing device has the Water spray nozzle that can spray above-mentioned cleaning solution to above-mentioned inner space.Also, above-mentioned mesh Depending on confirmation window configuration in the position for the spreading situation for capableing of the cleaning solution of the visual confirmation from above-mentioned Water spray nozzle.

Above-mentioned (23) record embodiment visual confirmation window configuration can visual confirmation from the clear of Water spray nozzle The position of the spreading situation of washing lotion, therefore operator etc. is able to confirm that the cleaning solution based on Water spray nozzle via visual confirmation window Injection situation etc., the spreading situation of cleaning solution based on dispensing device.Also, in spreading for the cleaning solution based on dispensing device In the case where cloth situation difference, by carrying out the cleaning etc. of Water spray nozzle, the improvement of the spreading situation of dispensing device can be realized.

(24) in several embodiments, based on the ship desulfurizer that above-mentioned (23) are recorded, wherein above-mentioned Absorbent tower body portion has defogger, which is configured to make above-mentioned exhaust gas from flowing underneath towards top in vertical direction It is dynamic, and the position more against the top than above-mentioned Water spray nozzle is set in above-mentioned inner space.Also, above-mentioned visual confirmation window is matched It sets in the position than above-mentioned Water spray nozzle against the top and than above-mentioned defogger on the lower.

The absorbent tower body portion for the embodiment that above-mentioned (24) are recorded is configured to make exhaust gas from the lower section court in vertical direction It flows upwards.Also, visual confirmation window is configured in position more against the top than Water spray nozzle and than defogger on the lower.Exhaust gas exists Gas-liquid contact is carried out than the position of defogger on the lower and cleaning solution, therefore even if mesh is set in the position more against the top than defogger Depending on confirming window, the spreading situation of the cleaning solution based on dispensing device can not be also confirmed.By the way that visual confirmation window shape is become above-mentioned Configuration, operator is able to confirm that the spreading situation of the cleaning solution based on dispensing device via visual confirmation window.Especially spilling (operating) water nozzle by can upwards to jet cleaning liquid in a manner of constituted in the case where, operator confirms via above-mentioned visual confirmation window By the upper end for the cleaning solution that dispensing device dispenses, thus, it is possible to confirm whether the spreading situation of cleaning solution is appropriate.

(25) the ship desulfurizer of one embodiment of the present invention is used to generate dress to from the exhaust gas for being equipped on ship The exhaust gas for setting discharge carries out desulfurization, wherein

The ship has with desulfurizer:

Absorption tower comprising delimit out the absorbent tower body portion of inner space；And

Dispensing device can dispense cleaning solution to the exhaust gas flowed in the inner space,

The dispensing device has the sprinkler pipe extended in the inner space in the absorbent tower body portion and separates rule Determine multiple Water spray nozzles that compartment of terrain is configured at the sprinkler pipe.

The ship for the embodiment that above-mentioned (25) are recorded makes the cleaning solution flowed in sprinkler pipe from separating with desulfurizer The multiple Water spray nozzles for being configured to specified interval sprinkler pipe spray respectively, and thus, it is possible to internally spatially uniformly dispense cleaning Liquid.It has been thus cleaning solution that ship, which is able to suppress with desulfurizer with the rocking of ship (inclination, pitching, sideway etc.), as a result, Dispense the influence for becoming non-uniform unfavorable condition.

(26) the ship desulfurizer of one embodiment of the present invention is used to generate dress to from the exhaust gas for being equipped on ship The exhaust gas for setting discharge carries out desulfurization, wherein

The ship has with desulfurizer:

Absorption tower comprising absorbent tower body portion and exhaust gas introduction part, the absorbent tower body portion delimit out inner space simultaneously And it is formed with the exhaust gas inlet being connected to the inner space, which is connected to the exhaust gas inlet；And

Exhaust gas cooling device can be imported in the exhaust gas introduction part and to the inner space for being directed to The exhaust gas before dispenses cooling water,

The exhaust gas cooling device has the upstream side being configured to by the cooling water towards the flow direction of the exhaust gas The cooling water nozzle of ejection.

The ship desulfurizer for the embodiment that above-mentioned (26) are recorded is useless for being directed to by exhaust gas cooling device Exhaust gas before importing in gas introduction part and by internally space dispenses cooling water, and thus, it is possible to reduce to be directed into exhaust gas importing The temperature of exhaust gas in portion is able to suppress the rising of the temperature in exhaust gas introduction part.Moreover, by being spread using exhaust gas cooling device Cloth cooling water can reduce the volume for the exhaust gas being directed into exhaust gas introduction part, therefore be capable of handling largely in absorption tower Exhaust gas.Moreover, the cooling water nozzle of exhaust gas cooling device sprays the upstream side of cooling water towards the flow direction of exhaust gas, because This can reduce the temperature for the exhaust gas being directed in exhaust gas introduction part before reaching cooling water nozzle, be able to suppress because of exhaust gas Heat and cooling water nozzle damage the case where.

(27) in several embodiments, based on the ship desulfurizer that above-mentioned (26) are recorded, above-mentioned cooling Water is the seawater for being directed to the inside of above-mentioned ship.

The ship desulfurizer for the embodiment that above-mentioned (27) are recorded is made using the seawater for the inside for being directed to ship For cooling water, thus, it is possible to inhibit the consumption of the water such as the industrial water needed for the navigation of ship.

(28) in several embodiments, based on the ship desulfurizer that above-mentioned (26) or (27) are recorded, In, above-mentioned exhaust gas introduction part is configured to flow exhaust gas downward from the top in vertical direction.Also, above-mentioned cooling water spray Mouth is configured to upwards spray cooling water.

Dispensing cooling water for the exhaust gas being directed in exhaust gas introduction part by exhaust gas cooling device makes the temperature of exhaust gas When degree decline, sulfurous acid is generated sometimes.Moreover, having in the case where using seawater as cooling water since temperature rises Salt is precipitated in Shi Huicong seawater.When sulfurous acid or salt are attached to cooling water nozzle, dispensing performance may decline.

The cooling water nozzle for the embodiment that above-mentioned (28) are recorded is configured to cooling water to the anti-of the flow direction of exhaust gas Direction is top injection.The cooling water sprayed upwards makes exhaust gas in the position more against the top than cooling water nozzle and exhaust gas contact After temperature decline, drop on cooling water nozzle etc..The cleaning solution dropped on cooling water nozzle can be to being attached to cooling The sulfurous acid or salt of (operating) water nozzle are rinsed.Moreover, being able to maintain cooling water spray by the cleaning solution dropped on cooling water nozzle Mouth is wet state, thus, it is possible to inhibit the attachment of sulfurous acid or salt to cooling water nozzle, and is able to suppress cooling water spray The temperature of mouth rises.

(29) in several embodiments, the ship with any record in above-mentioned (26)~(28) is with desulfurizer Basis, wherein above-mentioned exhaust gas cooling device includes cooling water nozzle, dispenses above-mentioned cooling water；Cooling water pipeline is used for The cooling water is supplied to the cooling water nozzle；And cooling water control valve, it is set to the cooling water pipeline, can be controlled from upper State the spreading amount of the above-mentioned cooling water of cooling water nozzle spreading.

Cooling water pipeline be on the upstream side than cooling water control valve primary side cooling water pressure according to the operating of pump The variations such as number of units will thus significantly change, it is assumed that when not set cooling water control valve, due to above-mentioned variation will thus from cold But the spreading amount significantly deviation for the cooling water that (operating) water nozzle dispenses, therefore the cooling of exhaust gas for being directed to exhaust gas introduction part may It is insufficient.In contrast, the exhaust gas cooling device of the embodiment of above-mentioned (29) is controlled by cooling water control valve from cooling water The spreading amount for the cooling water that nozzle dispenses, thus, it is possible to be sufficiently carried out cooling for the exhaust gas for being directed to exhaust gas introduction part.

(30) in several embodiments, based on the ship desulfurizer that above-mentioned (29) are recorded, wherein have In the pressure gauge of the wake flow side setting of the above-mentioned cooling water control valve of above-mentioned cooling water pipeline, above-mentioned cooling water control valve is configured to Aperture is adjusted to make the pressure of the cooling water detected by above-mentioned pressure gauge become constant mode.

Make the pressure for the cooling water for leaning on wake flow side than cooling water control valve constant by cooling water control valve, thus from cooling The pressure of cooling water when (operating) water nozzle sprays is also constant, therefore from cooling water nozzle always by a certain amount of above cooling water to admittedly Fixed height dispenses.The exhaust gas cooling device of the embodiment of above-mentioned (30) is certain due to that can dispense always from cooling water nozzle Cooling water more than amount, therefore the exhaust gas being directed into exhaust gas introduction part can persistently be cooled down.

(31) the ship desulfurizer of one embodiment of the present invention is used to generate dress to from the exhaust gas for being equipped on ship The exhaust gas for setting discharge carries out desulfurization, wherein

The ship has with desulfurizer:

Absorption tower comprising delimit out the absorbent tower body portion of inner space；

Dispensing device can dispense cleaning solution to the exhaust gas flowed in the inner space；And

Cleaning solution supplying device can supply the cleaning solution to the dispensing device,

The cleaning solution supplying device includes

Cleaning solution supplying pipeline is used to supply the cleaning solution to the dispensing device；

Bypass line supplies the cleaning solution to storage space, the accumulation is empty from the cleaning solution supplying line branches Between accumulate the cleaning solution dispensed that has dispensed for being directed into the exhaust gas of the inner space；And

Control valve is set to the bypass line, can control the cleaning solution flowed in the bypass line Supply amount.

For example, the desulfurization performance required in discharge confined waters and general sea area is different, therefore supplied to dispensing device Cleaning solution aequum it is also different.In the case where the amount of the cleaning solution supplied to dispensing device is fewer than aequum, may obtain Less than required desulfurization effect.Moreover, in the case where the amount of the cleaning solution supplied to dispensing device is more than aequum, exhaust gas The pressure loss may increase.As for making the suitable countermeasure of amount of the cleaning solution supplied to dispensing device, consideration is being used for Control valve is set to the cleaning solution supplying pipeline of dispensing device supply cleaning solution, is controlled by the control valve in cleaning solution supplying pipe The supply amount of the cleaning solution flowed in line.However, constituting the pipeline of cleaning solution supplying pipeline since diameter is big, it is thus possible to can lead Cause the enlargement, the great number that are set to the control valve of cleaning solution supplying pipeline.Moreover, the cleaning solution supplying big in the diameter of pipeline In pipeline, it is difficult to control the supply amount of cleaning solution.

The cleaning solution supplying device for the embodiment that above-mentioned (31) are recorded is controlled by being set to the control valve of bypass line The supply amount for making the cleaning solution flowed in bypass line, thus, it is possible to be indirectly controlled to flow in cleaning solution supplying pipeline The supply amount of cleaning solution.At this point, constituting the pipeline of bypass line can reduce compared with the pipeline for constituting cleaning solution supplying pipeline Diameter, therefore be able to achieve compared with hypothesis is set to the control valve of cleaning solution supplying pipeline in the control valve of bypass line setting Miniaturization, low volume.Moreover, bypass line, compared with cleaning solution supplying pipeline, the control of the supply amount of cleaning solution is easy.

(32) in addition, the ship of one embodiment of the present invention carries above-mentioned (1), any record in (17)~(31) Ship desulfurizer.

The one-piece type desulfurizer of shell of (33) one embodiments has: shell, forms the one of the hull construction of ship Part；And absorption tower, it is supported by the shell, for the exhaust gas being discharged from the exhaust producing device for being equipped on the ship Carry out desulfurization.

" hull construction " refers to the skeleton of the formation ship other than tie boat anlongshore dress, engine etc. and the main structure body of profile.Afterwards The motor body stated also corresponds to " hull construction ".

It is independent from hull construction as one of machine for being equipped on ship that previous ship, which uses desulfurizer, Structure.

The one-piece type desulfurizer of shell of structure with above-mentioned (33) becomes before the carrying to ship and is forming shell The state on absorption tower has been supported on the shell of a part of structure.The one-piece type desulfurizer of the shell aboard ship by shell with Other hull constructions of ship connect.

According to the structure of above-mentioned (33), to a part for the shell formation hull construction that absorption tower is supported, therefore Additional gap or the stiffener for the purpose of the vibrationproof on absorption tower, anti-shake are not needed around absorption tower.Therefore, can Make the mounting structure densification on absorption tower, and also can reduce the weight of hull construction.

(34) in one embodiment, based on the structure of (33), wherein

The absorption tower is connected to by welding by the shell of the periphery on absorption tower encirclement, and with the shell It is integrally formed.

According to the structure of above-mentioned (34), absorption tower is connected to the shell for surrounding the periphery on absorption tower by welding, because This is applied to the power of the shell to dispersing around shell from absorption tower.Concentrated on the absorption of the base portion on absorption tower originally as a result, The load of tower is dispersed to shell, therefore can be realized the densification of the supporting structure on absorption tower.

(35) in one embodiment, based on the structure of (33) or (34), wherein

The one-piece type desulfurizer of shell is in the state of being equipped on the ship, with the lower section for being located at the absorption tower The ship motor body between form gap, the absorption tower is supported by the shell from surrounding.

According to the structure of above-mentioned (35), absorption tower is supported by shell from surrounding, does not need the branch for supporting absorption tower from below Bearing portion, therefore gap can be formed between underlying motor body.Therefore, it can configure in the gap for absorbing liquid The liquid pipe (sea water supply pipe, seawater discharge pipe) of flowing, by from the exhaust gas that the exhaust producing devices such as sustainer are discharged to Tubing is matched in exhaust gas piping that absorption tower imports etc..

(36) in one embodiment, based on any structure in (33)~(35), wherein the shell Formed bigger than the length in the front-back direction along the ship along the length of the width direction of the ship.

According to the structure of above-mentioned (36), since the longitudinally of above-mentioned shell is configured along the width direction of ship, by The longitudinally on the absorption tower of above-mentioned shell bearing is configured along the width direction of ship, is had with the bow along ship-stern direction There is the absorption tower of longitudinally to compare, the bending stress for acting on absorption tower in rolling (inclination) of ship can be reduced.Cause This, is capable of forming the absorption tower for rolling with high resistance.

(37) in one embodiment, based on any structure in (33)~(36), wherein in the shell One-piece type desulfurizer is equipped in the state of the ship, and the absorption tower is located at the exhaust gas piping of the exhaust producing device Top.

According to the structure of above-mentioned (37), absorption tower is located at the top of the exhaust gas piping of exhaust producing device, therefore can contract The length of the short exhaust gas piping for importing the exhaust gas being discharged from exhaust producing device to absorption tower.

" top position of exhaust gas piping " refers to that " under overlook view, exhaust gas is piped at least one with absorption tower herein Divide the position of overlapping ".

(38) in one embodiment, based on any structure in (33)~(37), wherein be also equipped with and match Pipe, the piping include being supported by the shell and being led the piping of the exhaust gas of the exhaust producing device and the exhaust gas on the absorption tower At least one party in the gas pipe of entrance connection and the liquid pipe flowed for the absorbing liquid used in the absorption tower.

It is above-mentioned to be supported with tubing by the shell of a part of the hull construction of formation ship according to the structure of above-mentioned (38), Thus, it is possible to realize the densification of the supporting structure on the absorption tower comprising above-mentioned piping.

It is one-piece type de- that the ship of (39) one embodiments has the shell with any structure in (33)~(38) Sulphur device forms a part of hull construction by the one-piece type desulfurizer of the shell.

According to the structure of above-mentioned (39), the above-mentioned one-piece type desulfurizer of shell is formed as a part of hull construction, therefore Additional gap is not needed around absorption tower or by the stiffener for the purpose of vibrationproof on absorption tower, anti-shake.Therefore, energy Enough realize the densification of the mounting structure on absorption tower.

(40) in one embodiment, based on the structure of (39), the hull construction includes being located at the ship The lower end of the motor body of the lower section of the shell of the one-piece type desulfurizer of shell, the shell wall of the shell passes through welding It is connected to the motor body.

According to the structure of above-mentioned (40), absorption tower is supported by the shell of a part of the hull construction of formation ship, therefore The shell can be configured easily in the top of the motor body as identical hull construction.Moreover, because bearing absorption tower Above-mentioned shell it is short at a distance from motor body, therefore can shorten will from be contained in motor body sustainer be discharged Exhaust gas imported to absorption tower exhaust gas piping length.

(41) in one embodiment, based on the structure of (40), wherein by the shell in the shell Rib that the medial surface of wall is arranged along the vertical direction or the reinforcer set up between the shell wall of mutually opposed configuration form the One stiffener forms the second stiffener by the rib or reinforcer that are arranged in the motor body, and described first reinforces structure The position consistency of part and second stiffener.

According to the structure of above-mentioned (41), due to the position consistency of above-mentioned first stiffener and above-mentioned second stiffener, Therefore it can be improved the bearing strength of the motor body supported for the shell for supporting absorption tower, the shell is by engine Support to shell stability.

(42) in one embodiment, based on any structure in (39)~(41), wherein the ship The hull construction includes: the shell；And it is adjacent with the shell and be welded in described in the width direction of the ship Other hull constructions of shell.

According to the structure of above-mentioned (42), the hull construction configured along the width direction of ship is divided into bearing absorption tower Shell and other hull constructions, therefore the weight that can be avoided the one-piece type desulfurizer of shell becomes excessive, hoisting power is not The state of affairs of foot.

The one-piece type desulfurizer of shell of (43) one embodiments includes: to form shell one to the assemble method of ship The forming step of type desulfurizer, the one-piece type desulfurizer of the shell have shell and absorption tower, which forms the ship of ship A part of shell structure, the absorption tower are supported by the shell, for arranging from the exhaust producing device for being equipped on the ship Exhaust gas out carries out desulfurization；And the installation steps for installing the one-piece type desulfurizer of the shell to the ship, in the peace It fills in step, by the shell other than the shell of the shell of the one-piece type desulfurizer of the shell and the ship Structure engagement.

According to the method for above-mentioned (43), in above-mentioned forming step, the one-piece type desulfurization of shell is previously formed on land etc. The one-piece type desulfurizer of the shell is equipped on ship after boat docking by device.Thereby, it is possible to shorten to ship carrying The duration that absorption tower is carried.Moreover, absorption tower with hull construction object before progress is integrated, can manufacture simultaneously in parallel, Thereby, it is possible to shorten the duration of the one-piece type desulfurizer of shell.

(44) in one embodiment, based on the method for (43), wherein in the forming step, according to From the section below of the one-piece type desulfurizer of the shell to the sequence of upper section, together by the absorption tower and the shell Assembling.

According to the method for above-mentioned (44), by according to from the section below of the one-piece type desulfurizer of shell to upper section Sequence assembles and assembles and become easy, and by assembling absorption tower and shell simultaneously in parallel, can shorten the construction period.

(45) in one embodiment, based on the method for (43), wherein in the forming step, formed The aggregate for multiple partitioning portions that the one-piece type desulfurizer of the shell is split to form along the vertical direction is walked in the installation In rapid, the partitioning portion is stacked gradually in the ship, is thus installed on the one-piece type desulfurizer of the shell described Ship.

According to the method for above-mentioned (45), by formed the one-piece type desulfurizer of shell is split to form along the vertical direction it is more The aggregate of a partitioning portion can be carried using crane into ship in installation steps according to each partitioning portion.Therefore, energy Enough avoid the insufficient state of affairs of the transporting capacity of crane.

Invention effect

At least one embodiment according to the present invention is capable of providing configurability when configuring to ships such as super large marines Excellent ship desulfurizer.

Detailed description of the invention

Fig. 1 is the perspective view for indicating the ship of one embodiment of the present invention.

(a) of Fig. 2 is the figure for indicating the size of 40 inches of containers, is (b) by the steel plate structure in ship shown in FIG. 1 The figure that the periphery amplification of object indicates.

Fig. 3 is the perspective view for indicating the ship desulfurizer of one embodiment of the present invention.

Fig. 4 is the solid for indicating the ship of one embodiment of the present invention from the angle different from Fig. 3 with desulfurizer Figure.

Fig. 5 is the skeleton diagram for indicating the absorption tower of ship desulfurizer of one embodiment of the present invention.

Fig. 6 is that in the ship desulfurizer for indicate one embodiment of the present invention, absorbent tower body portion inside is empty Between flat shape discussion result figure.

Fig. 7 is for illustrating accumulation in the ship desulfurizer of one embodiment of the present invention, set on absorption tower The figure of the transversal component in space.

Fig. 8 is the skeleton diagram for indicating the absorption tower of ship desulfurizer of one embodiment of the present invention.

Fig. 9 is the inner space for indicating the absorbent tower body portion of ship desulfurizer of one embodiment of the present invention The curve graph of the relationship of shape (asperratio) and desulfurization performance parameter.

Figure 10 is in the absorbent tower body portion for indicate to have discussed the ship desulfurizer of one embodiment of the present invention The table of the result of the relationship of the shape (asperratio) and desulfurization performance parameter in portion space.

Figure 11 is the top view for the configuration condition for the Water spray nozzle for illustrating the inner space in absorbent tower body portion.

Figure 12 is the inside for the absorbent tower body portion for illustrating the ship desulfurizer of one embodiment of the present invention The figure of the relationship of the flat shape and shape (asperratio L/W) in space.

Figure 13 is the skeleton diagram for indicating the absorption tower of ship desulfurizer of one embodiment of the present invention, is from Fig. 5 Shown in the direction A observation figure.

Figure 14 is the skeleton diagram for indicating the absorption tower of ship desulfurizer of one embodiment of the present invention, is to indicate not The figure for having an example on the absorption tower (liquid column tower, spray tower and absorption tower of pellet type etc.) of filled layer.

Figure 15 is the perspective view (concept map) for illustrating the filler of one embodiment of the present invention.

Figure 16 is the skeleton diagram for illustrating the lumarith of one embodiment of the present invention, is to indicate ship desulfurizer Absorption tower skeleton diagram.

Figure 17 is the skeleton diagram for indicating the absorption tower of ship desulfurizer of one embodiment of the present invention, is for saying The figure of bright wall surface stiffener and spaced walls.

Figure 18 is the figure for the exhaust gas cooling device for illustrating the ship desulfurizer of one embodiment of the present invention.

Figure 19 is the figure for the exhaust gas cooling device for illustrating the ship desulfurizer of one embodiment of the present invention.

Figure 20 be for illustrate the cleaning solution supplying pipeline in the ship desulfurizer of one embodiment of the present invention and The figure of bypass line.

Figure 21 is the absorption tower and steel plate structure object for illustrating the ship desulfurizer of one embodiment of the present invention Fixation figure.

Figure 22 is for the absorption tower for illustrating the ship desulfurizer of one embodiment of the present invention and steel plate structure object The setting on ship figure.

Figure 23 is for the absorption tower for illustrating the ship desulfurizer of one embodiment of the present invention and waste gas ingress pipe Connection figure.

Figure 24 is for the absorption tower for illustrating the ship desulfurizer of one embodiment of the present invention and waste gas ingress pipe Connection figure, Figure 24 (a) is approximate vertical view, and Figure 24 (b) is general principal view.

Figure 25 is the solid for indicating the case where one-piece type desulfurizer of the shell of an embodiment is assembled in hull construction Figure.

Figure 26 is the solid for indicating the case where one-piece type desulfurizer of the shell of an embodiment is assembled in hull construction Figure.

Figure 27 is the top view of the shell of the one-piece type desulfurizer of shell comprising an embodiment.

Figure 28 is the signal for indicating the case where one-piece type desulfurizer of the shell of an embodiment is assembled in hull construction Figure.

Figure 29 is the signal for indicating the case where one-piece type desulfurizer of the shell of an embodiment is assembled in hull construction Figure.

Figure 30 is the signal for indicating the case where one-piece type desulfurizer of the shell of an embodiment is assembled in hull construction Figure.

(A), (B) and (C) of Figure 31 is the schematic diagram for indicating the one-piece type desulfurizer of several shells.

Figure 32 is the process chart for indicating the assemble method of the one-piece type desulfurizer of the shell of an embodiment.

Figure 33 is the signal for indicating the assemble method to hull construction of the one-piece type desulfurizer of the shell of an embodiment Figure.

Description of symbols

1 ship

2 craft bodies

3 upper decks

4 residential areas

6 steel plate structure objects

8,8A, 8B cross wall

9 containers

10 engine rooms

12 sustainers

14 assisted engines

20 ship desulfurizers

30 absorption towers

31 inner spaces

31a storage space

31b lower side inner space

31c upper side inner space

31d outlet side inner space

32 absorbent tower body portions

32a, 32b long side wall surface

32c, 32d short side wall surface

33 exhaust gas inlets

34 exhaust gas introduction parts

34A inclined portion

34B vertical component effect

34a one end

The other end 34b

35 filled layers

35A filler

36 exhaust gas leading-out portions

37 defoggers

38,38A, 38B dispensing device

38a1 longitudinally sprinkler pipe

38a2 Water spray nozzle

38b1 width direction sprinkler pipe

38b2 Water spray nozzle

The side end of the mono- side side 39a

The side end of 39b another party side

The side end of the mono- side side 39c

40 exhaust gas gatherers

42 waste gas ingress pipes

43 exhaust emission tubes

44a~44d subsidiary engine waste gas ingress pipe

45 exhaust gas flow into pipe

46 waste stack portions

48a~48d subsidiary engine exhaust emission tube

50 sea water supply devices

52 first sea chests

52a drains dilution pumps

54 second sea chests

54a sea water supply pump

56 seawater ingress pipes

58 sea water supply pipes

59 seawater discharge pipes

60 waste heat recovery plants

70 transversal components

70A beam member

70B weir plate component

80 inner spaces confirm device

80A visual confirmation window

81 pH regulators

The alkaline agent of 81A rock-like

82 partitions

83 tops

84 lumariths

85 exhaust gas cooling devices

86 emergency tanks

87 emergency cooling devices

88 emergency cooling water pipelines

89 emergency by-pass collars

90 emergency open and close valves

91 fixing components

92 wall surface stiffeners

93 spaced walls

94 cooling water control valves

95 pressure gauges

96 cleaning solution supplying devices

97A cleaning solution supplying pipeline

97B bypass line

98 control valves

99 flowmeters

The one-piece type desulfurizer of 100 shells

102 shells

103 hull constructions

104 absorption towers

106 motor bodies

108 cranes

110,116 shell wall

112,112a, 112b, 118 ribs

114,120 reinforcer

The piping of 122 exhaust gas

124 pipings

126 frames

P pad

Specific embodiment

Hereinafter, illustrating several embodiments of the invention referring to attached drawing.But recorded as embodiment or Size, material, shape, its opposite configuration of person's component parts shown in the drawings etc. are not to be defined in the scope of the present invention This, only illustrates example.

For example, " in some directions ", " along certain direction ", " parallel ", " orthogonal ", "center", " concentric " or " coaxial " etc. Indicate that relativity or critical configuration performance not only strictly indicates such configuration, and also illustrate that with tolerance or It can obtain the angle or distance and the state that is relatively displaced of the degree of identical function.

For example, the performance of the equal state of the expression things of " identical ", " equal " and " homogeneous " etc. not only strictly indicates Equal state, and also illustrate that the state of the difference there are tolerance or the degree that identical function can be obtained.

For example, the performance of the expression shape of quadrangle form, cylindrical shape etc. is not merely represented in geometrically stringent meaning The shapes such as justice lower quadrangle form, cylindrical shape, and be also illustrated in can obtain same effect in the range of including bump, The shape of corner portion etc..

On the other hand, " having ", " having ", " having ", the such performance of "comprising" or " " constituent element be not by The exclusive performance that the presence of other constituent elements excludes.

In addition, in the following description, for identical structure mark same reference numerals, description is omitted sometimes.

Fig. 1 is the perspective view for indicating the ship of one embodiment of the present invention.The ship of one embodiment of the present invention 1 The exhausted air quantity (exhausted air quantity when 100% load) of sustainer in this way is more than 200,000 Nm³The super large marine of/h.In the reality of diagram It applies in mode, ship 1 is known as the collection with 10000TEU or more of ULCS (Ultra Large Container Ship) The container ship of the ultra-large type of vanning stowage.

As shown in Figure 1, ship 1 has craft body 2, in the position than the center on bow-stern direction slightly by front Place is from the residential area that upper deck 3 is provided projectingly 4, the steel that is provided projectingly from upper deck 3 at than position of the residential area 4 by stern-side Plate works 6.Here, steel plate structure object 6 is known as the structure of chimney or motor body.Moreover, in the ship of craft body 2 In cabin, spaced apart from each other along the direction, that is, starboard orthogonal with bow-stern direction-larboard direction extension cross wall 8 It is arranged multiple.Craft body 2 is on bow-stern direction as a result, is divided into can be by 40 inches of containers 9 along the collection The length of the longitudinally receiving of vanning is the multiple regions of basic unit.

Fig. 2 (a) shows the size of 40 inches of containers 9.Fig. 2 (b) is by the steel plate structure object in ship shown in FIG. 1 The figure that periphery amplification indicates.As shown in Fig. 2 (b), steel plate structure object 6 is arranged between adjacent pair cross wall 8A, 8B.In place The inside of craft body 2 below the vertical of steel plate structure object 6 is formed with engine room 10.It is provided in engine room 10 It is made of the oceangoing ship diesel engine for applying propulsive force to ship 1 or the host boiler etc. for driving host turbine Sustainer 12；And it is needed by the donkey boiler for responding various warm demands in ship 1 etc. or for responding electric power Multiple assisted engines 14 of the compositions such as the subsidiary engine engine asked etc..These sustainers 12 and assisted engine 14 are equivalent to In the exhaust producing device that the ship 1 of one embodiment of the present invention carries.

Steel plate structure object 6 is for will be from the exhaust gas of the discharges such as above-mentioned sustainer 12 or assisted engine 14 to ship The 1 external works released, is formed as the length that the starboard along ship 1-larboard direction (width direction) has longitudinally Tubular.Also, the inside of steel plate structure object 6 be configured with ship desulfurizer 20, the ship with desulfurizer 20 for pair The exhaust gas being discharged from the sustainer 12 and assisted engine 14 for being equipped on ship 1 carries out desulfurization.In several embodiments, The width (length in the direction orthogonal with longitudinally) of the inside of steel plate structure object 6 is about the range of 3m~8m.Another party Face, the length of the longitudinally about steel plate structure object 6, restriction is fewer, also can be set as the range of such as 5m~20m.

Fig. 3 is the perspective view for indicating the ship desulfurizer of one embodiment of the present invention.Fig. 4 is by of the invention one The perspective view that the ship of embodiment is indicated with desulfurizer from the angle different from Fig. 3.

As shown in Figures 3 and 4, the ship desulfurizer 20 of one embodiment of the present invention has: including absorption tower master The absorption tower 30 in body portion 32；For the exhaust gas being discharged from sustainer 12 or assisted engine 14 to be drawn to absorbent tower body portion 32 The exhaust gas gatherer 40 led.

Fig. 5 is the skeleton diagram for indicating the absorption tower of ship desulfurizer of one embodiment of the present invention.Such as Fig. 5 institute Show, absorption tower 30 includes absorbent tower body portion 32, exhaust gas introduction part 34 and exhaust gas leading-out portion 36.Absorbent tower body portion 32 is at it The inner space 31 with longitudinally delimited in inside.Moreover, a side side on the longitudinally in absorbent tower body portion 32 Side end 39a is formed with the exhaust gas inlet 33 being connected to inner space 31 (lower side inner space 31b).From exhaust gas inlet 33 imported into the exhaust gas of inner space 31 in the 31-b of lower side inner space from the side end 39a of a side side towards another party side Side end 39b flowing after, rise and flow in inner space 31.

In the illustrated embodiment, in inner space 31, in lower side inner space, the position of the top of 31b is formed There is the filled layer 35 for separating lower side inner space 31b and upper side inner space 31c.In filled layer 35, such as will be more A rule filler laminated multi-layer.It is dispensed clearly moreover, being configured in the position of the top of filled layer 35 for internally space 31 The dispensing device 38 of washing lotion (such as seawater or clear water).Also, the exhaust gas for passing through in filled layer 35 dispenses cleaning solution, makes Exhaust gas and cleaning solution carry out gas-liquid contact, thus remove the sulphur ingredient contained in exhaust gas.

In addition, in inner space 31, the position of the top of side inner space 31c is configured with will be inside upper side above The defogger 37 that space 31c and outlet side inner space 31d separates.Defogger 37 is configured to from the exhaust gas passed through in defogger 37 Middle removing moisture.Also, passed through the exhaust gas of defogger 37 via outlet side inner space 31d from absorbent tower body portion 32 External discharge of the exhaust gas leading-out portion 36 of topmost connection to ship 1.

In addition, being formed with storage space 31a in absorbent tower body portion 32, storage space 31a accumulates for being directed into The cleaning solution dispensed that the exhaust gas of inner space 31 dispenses.In the illustrated embodiment, storage space 31a is formed in lower section The lower section of side inner space 31b and position than the lower surface of exhaust gas inlet 33 on the lower.

In addition, as shown in Figures 3 and 4, ship desulfurizer 20 is also equipped with for supplying to above-mentioned dispensing device 38 The sea water supply device 50 of seawater.Sea water supply device 50 include draining dilution pumps 52a, sea water supply pump 54a, drainpipe 56, Sea water supply pipe 58 and seawater discharge pipe 59.Also, the inside of craft body 2 will be imported by sea water supply pump 54a Seawater is supplied via sea water supply pipe 58 to dispensing device 38.Moreover, by draining dilution pumps 52a to being discharged from absorption tower 30 Washing draining is diluted, via drainpipe 56 to the externally drained of ship 1.It should be noted that in embodiment illustrated In, multiple draining dilution pumps 52a are connected to the first common sea chest 52.Equally, multiple 54a points of sea water supply pump It is not connected to the second common sea chest 54.

As described above, the inner space 31 in absorbent tower body portion 32 is formed as having longitudinally along the importing direction of exhaust gas Such flat shape.The flat shape of inner space 31 about the absorbent tower body portion 32 is carried out specifically based on Fig. 6 It is bright.It should be noted that symbol L refers to the length (length of longitudinally) of inner space 31 in Fig. 6, symbol W refers to interior The width (length in the direction orthogonal with longitudinally) in portion space 31.Moreover, symbol D be with with length L, width W Sectional area rectangular cross-sectional same size sectional area circular cross-section conversion diameter.

It should be noted that in the embodiment shown in fig. 6, with the plane of the inner space 31 in absorbent tower body portion 32 Shape be delimited by a pair of of long side wall surface for extending parallel to each other and a pair of short edges wall surface extended parallel to each other it is rectangular It is illustrated in case where shape shape, but the flat shape of inner space 31 is not limited to rectangular shape, as long as energy Effect of the invention is played, then can also be formed to have the rectangular shape, elliptical shape, oblong shape etc. of longitudinally.

Fig. 6 be it is in the ship desulfurizer for indicate one embodiment of the present invention, about in absorbent tower body portion The figure of the discussion result of the flat shape in portion space.In the table shown in (a)~(c) of Fig. 6, for each flat shape, pass through " configurability " and " desulphurizing ability " the two projects are evaluated, and " configurability " is directed to layout when ship 1 configures absorption tower 30 On easiness, " desulphurizing ability " refer to the exhaust gas in the inner space 31 on absorption tower 30 flowing uniformity.

In the evaluation about " configurability ", based on the following metewand, by the configurability from it is raised successively with ◎, Zero, △, × this four grades are evaluated.This is obtained based on following idea: the maximum width W in width direction relative to It is smaller for conversion diameter D, it is inhaled being intended to configure in the land used as such as inside of steel plate structure object 6 with elongated shape In the case where receiving tower 30, configurability is more excellent.

(evaluation criteria)

◎ ... (W/D) < 0.50

Zero ... 0.50≤(W/D) < 0.75

△ ... 0.75≤(W/D) < 0.90

×…0.90≤(W/D)

Fig. 9 is the shape of the absorption tower inner space in the ship desulfurizer for indicate one embodiment of the present invention The curve graph of the relationship of (asperratio L/W) and desulfurization performance parameter.It should be noted that in order to keep the variation of data obvious And double-log is utilized to indicate.Figure 10 is to indicate to have discussed the absorption tower in the ship desulfurizer of one embodiment of the present invention The table of the result of the relationship of the shape (asperratio) and desulfurization performance parameter of the inner space of main part.Figure 11 is for saying The top view of the configuration condition of Water spray nozzle in the inner space in bright absorbent tower body portion.

The shape of inner space 31 about absorbent tower body portion 32 and the relationship of desulphurizing ability, use desulfurization defined below Performance parameter is discussed.

Desulfurization performance parameter=perimeter ratio, α × interference nozzle number ratio β

α: the inverse ratio about perimeter and base condition (L/W=1)

The perimeter under perimeter/discussion object asperratio under=base condition

β: about the ratio between the number of interference nozzle and base condition

The interference nozzle number under interference nozzle number/base condition under the asperratio of=discussion object

Perimeter refers to the peripheral length of the horizontal cross-section in absorbent tower body portion 32.When cleaning solution adheres to wall surface, become Do not have helpful loss to desulfurization, therefore, in the case where same cross-sectional area, if perimeter is longer, becoming makes desulfurization performance The obstruction of deterioration will be because.Since such obstruction will be because defining perimeter by the inverse ratio with base condition (L/W=1) Ratio, α.

Interference nozzle refers to that there are Water spray nozzles as adjacent Water spray nozzle in surrounding.That is, as shown in figure 11, inhaling It receives in the inner space 31 of tower main part 32 and the Water spray nozzle 71 of multiple row and multiple is respectively configured along longitudinally and width direction In the case where the whole configuration in lattice shape of Water spray nozzle 71, other than the Water spray nozzle 71a for being configured at the outermost side, position Water spray nozzle 71b in the inside of range 71A becomes above-mentioned interference nozzle.

In the case where same cross-sectional area, if interference nozzle increases, sprayed between adjacent Water spray nozzle Doctor solution, which interferes the case where (coincidence), to be increased, become improve the promotion of desulfurization performance will be because.Since such promotion will be because, Therefore by defining interference nozzle number ratio β with the ratio between base condition (L/W=1).It should be noted that about nozzle Number, it is assumed that (the case where configuring in lattice shape for 0.5m) in the present embodiment is generating fraction using defined injector spacing Childhood calculates with being rounded to integer.

As shown in figure 9, asperratio L/W is more greater than 1, then perimeter more increases under conditions of same cross-sectional area, and dry The number for relating to nozzle is more reduced, therefore desulfurization performance parameter more declines.As can be seen from FIG. 9, desulfurization performance parameter is 2.0 in L/W Constant when following declines in the range of L/W is 2.0~6.0, declines to a great extent when L/W is 6.0 or more.Judge as a result, For inflection point be L/W=2.0,6.0 this at two.

In the evaluation about " desulphurizing ability ", based on the following metewand, desulphurizing ability from it is raised successively with ◎, zero, △, × this four grades are evaluated.This is based on following consideration: the uniformity of the exhaust gas flowing in absorption tower 30 is higher, Then desulfurization performance is more excellent.It should be noted that the uniformity that flows of the exhaust gas in absorption tower 30 is based on following discussion conditions, It is evaluated according to above-mentioned discussion result.As shown in figure 9, if asperratio be 2 hereinafter, if can be by desulfurization performance Parameter is maintained the high level of constant, the uniformity that the exhaust gas in absorption tower 30 flows can be remained preferred shape State.Moreover, be more than 2 and in 3 situations below in asperratio, although as asperratio increases and desulfurization performance is joined Number is slowly reduced, but still is able to for desulfurization performance parameter to be maintained high level.Moreover, asperratio be more than 3 and for 6 with In the case where lower, although and as asperratio increases and desulfurization performance parameter is slowly reduced, can will still take off Sulphur performance parameter is maintained relatively high level.On the other hand, as shown in figure 9, the case where asperratio is more than 6, takes off Sulphur performance parameter is sharply reduced, it is believed that the uniformity of the exhaust gas flowing in absorption tower 30 has been more than to play required desulphurizing ability The permissible range of energy aspect.Therefore, the upper limit of asperratio is set as 6.

(evaluation criteria)

◎ ... W: L=1: it is greater than 1.1 and 1: is less than or equal to 2.0

Zero ... W: L=1: being greater than 2.0 and 1: being less than or equal to 3.0

△ ... W: L=1: it is greater than 3.0 and 1: is less than or equal to 6.0

× ... W: L=1: being greater than 6.0

(discussion condition)

Inlet gas flow velocity=2~20m/s

Flow velocity=1~5m/s in absorption tower

Watering amount=30~200m³/m²·h

Also, it is carried out " comprehensive based on the above-mentioned evaluation result for " configurability " and " desulphurizing ability " the two projects Close evaluation ".In " overall merit ", based on the following metewand, by its overall merit from it is raised successively with " excellent ", " good ", These three grades of "available" are evaluated.

Excellent ... ◎ be project or more and without △ and ×

Good ... zero is two projects

Can ... △ be project or more and do not have ×

Bad ... × it is project or more

As shown in Fig. 6 (a)~(c), the flat shape of inner space 31 is W: L=1: being greater than 1.5 and 1: being less than or equal to 2.0 The shape of range " excellent " is be evaluated as in overall merit.Although the evaluation of " configurability " and " desulphurizing ability " mutually has compromise Relationship, but by being capable of providing W: L setting range thus good in the excellent balance of configurability and this two side of desulphurizing ability Ship desulfurizer 20.

Next, W: L=1: be greater than 2.0 and 1: the shape of the range less than or equal to 3.0 is be evaluated as in overall merit " good ".Next, W: L=1: be greater than 3.0 and 1: the shape of the range less than or equal to 6.0 is be evaluated as in overall merit "available".

It should be noted that W: L=1: although poor less than or equal to 1.1 shape " desulphurizing ability " excellent " configurability ", Therefore it is evaluated as " bad ".Moreover, as described above, W: L=1: the shape greater than 6.0 is unable to ensure the flowing of the exhaust gas in absorption tower 30 Uniformity, " desulphurizing ability " is poor, therefore is evaluated as " bad ".

As previously discussed, the ship desulfurizer 20 of above-mentioned one embodiment of the present invention has comprising absorption tower master The absorption tower 30 in body portion 32, the absorbent tower body portion 32 delimit the inner space 31 with longitudinally, and on longitudinally The side end 39a of a side side be formed with the exhaust gas inlet 33 being connected to inner space 31 (lower side inner space 31b). That is, the inner space 31 in absorbent tower body portion 32 is configured to have longitudinally along exhaust gas importing direction.Therefore, with previous circle It compares on the absorption tower of shape (round shape), it is difficult to generate dead space volume, therefore, configurability when configuring to ship 1 is excellent.Moreover, In the case where absorption tower 30 with the flat shape along exhaust gas importing direction with longitudinally, it is capable of providing relative to above-mentioned The ships 1 such as the container ship of ultra-large type for the excellent ship desulfurizer 20 of configurability.Moreover, with absorbent tower body portion Inner space there is the case where longitudinally along the direction orthogonal with exhaust gas importing direction compared with, can reduce exhaust gas not To the external risk being discharged on absorption tower in the state of desulfurization.

In addition, according to the ship of above-mentioned one embodiment of the present invention desulfurizer 20, the maximum of inner space 31 The ratio between width W and maximum length L (W: L) are in 1: greater than 1.1 and 1: the range less than or equal to 6.0.In this way, by will be internal empty Between 31 upper limit of the ratio between maximum width W and maximum length L (W: L) be set as 1: 6.0, the waste gas stream in absorption tower 30 can be made Dynamic inhomogeneities is in the permissible range in practical use of present inventor's discussion.

In several embodiments, as shown in above-mentioned Fig. 6, in ship in desulfurizer 20, inner space 31 Maximum width W and the ratio between maximum length L (W: L) be 1: be greater than 1.5 and 1: the range less than or equal to 2.0.

According to such embodiment, as described above, it is good to be capable of providing the especially excellent balance of configurability and desulphurizing ability Ship desulfurizer 20.

In several embodiments, as shown in above-mentioned FIG. 1 to FIG. 4 etc., absorption tower 30 is with absorbent tower body portion 32 The longitudinally of inner space 31 is equipped on ship 1 along the mode of the width direction of ship 1.

According to such embodiment, in the case where there is the absorption tower 30 of longitudinally along the width direction of ship 1, energy It is enough that the configurability excellent ship desulfurizer 20 for the ships such as the container ship of above-mentioned ultra-large type 1 is provided.

In addition, according to such embodiment, since absorbent tower body portion 32 can be configured to along the width side of ship 1 To with longitudinally, therefore compared with the absorption tower along the bow of ship 1-stern direction with longitudinally, can reduce The bending stress on absorption tower is acted in rolling (inclination) of ship 1, therefore is capable of forming high to have relative to inclination The absorption tower 30 of resistance.

In several embodiments, as shown in above-mentioned FIG. 1 to FIG. 4 etc., above-mentioned ship 1 has steel plate structure object 6, Exhaust gas of the steel plate structure object 6 for that will be discharged from exhaust producing device (sustainer 12, assisted engine 14) is to ship 1 Outside releases, and is formed as the long tubular for having longitudinally along the width direction of ship 1.Also, absorption tower 30 is configured in steel The inside of plate works 6.

In the illustrated embodiment, the flat shape of steel plate structure object 6 is formed as rectangular shape.Moreover, several Embodiment in, the flat shape of steel plate structure object 6 can be formed to have the rectangular shape of longitudinally, elliptical shape, Oblong shape etc..

According to such embodiment, by having the steel plate of the long tubular of longitudinally in the width direction along ship 1 The inside of works 6 configures absorption tower 30, can be by the shadow of the configuration plan for each equipment of others for being equipped on ship 1 etc. It rings and inhibits into minimum limit.Therefore, the remodeling for the ship 1 both deposited is become easy.Moreover, by the way that the configuration of absorption tower 30 is existed The inside of steel plate structure object 6, compared with the case where inside of equal ship 1 for example in engine room 10 configures absorption tower 30, It is also excellent that workability, maintenance are set.

In several embodiments, as shown in Figures 3 and 4, the inside of above-mentioned steel plate structure object 6 be configured to from By the waste heat recovery plant 60 of the waste gas recovery thermal energy of exhaust producing device (sustainer 12) discharge.Also, absorption tower 30 with Waste heat recovery plant 60 is arranged along the width direction of ship 1.

In the illustrated embodiment, waste heat recovery plant 60 is by generating the useless of steam using the thermal energy from waste gas recovery Gas energy-saving device is constituted.The waste gas stream for the exhaust gas flowing being discharged from sustainer 12 is connected in the lower part of waste heat recovery plant 60 Enter pipe 45, and is connected with exhaust emission tube 43 on the top of waste heat recovery plant 60.Also, aftermentioned waste gas ingress pipe 42 from Thus 43 branch of exhaust emission tube imports exhaust gas to absorption tower 30.These exhaust gas flow into pipe 45, exhaust emission tube 43 and exhaust gas Ingress pipe 42 constitutes above-mentioned for will be from the exhaust gas that sustainer 12 or assisted engine 14 are discharged to absorbent tower body portion 32 A part of the exhaust gas gatherer 40 of guidance.

In addition, in the illustrated embodiment, same as absorbent tower body portion 32, waste heat recovery plant 60 is along ship 1 Width direction have longitudinally mode constitute.Moreover, its inner space is formed as rectangular shape in horizontal cross-section.

According to such embodiment, by the inside of steel plate structure object 6 by absorption tower 30 and waste heat recovery plant 60 Width direction along ship 1 is arranged, to configure with by waste heat recovery plant 60 and absorption tower 30 in the field being separated from each other The case where institute, is compared, and exhaust gas gatherer 40 can be simply formed.Moreover, because waste heat recovery plant 60 is formed as along ship 1 width direction has the rectangular shape of longitudinally, therefore has the steel plate of longitudinally in the width direction along ship 1 It is difficult to generate dead space volume when the inside configuration of works 6, can effectively configure.

In several embodiments, as shown in above-mentioned Fig. 3~Fig. 5, absorption tower 30 also includes exhaust gas introduction part 34, should The one end 34a of exhaust gas introduction part 34 is connected to the exhaust gas inlet 33 in absorbent tower body portion 32, and from one end 34a direction The other end 34b and upwardly extend.

In the illustrated embodiment, exhaust gas introduction part 34 has the section of rectangular shape, the exhaust gas inlet 33 also shape As rectangular shape.Also, exhaust gas introduction part 34 has to be extended obliquely upward from the exhaust gas inlet 33 in absorbent tower body portion 32 Inclined portion 34A and the vertical component effect 34B that vertically and upwards extends from the end of inclined portion 34A.Also, in the vertical component effect The end (the other end 34b of exhaust gas introduction part 34) of 34B is connected with aftermentioned waste gas ingress pipe 42.

It is (useless by the other end 34b connection waste gas ingress pipe line in exhaust gas introduction part 34 according to such embodiment Gas ingress pipe 42), exhaust gas can be imported to the absorption tower 30 that the narrow space in the inside of steel plate structure object 6 configures.

In several embodiments, as shown in above-mentioned Fig. 3~Fig. 5, above-mentioned exhaust gas gatherer 40 includes: from useless The waste gas ingress pipe that the other end 34b of 60 side of heat recovery apparatus towards exhaust gas introduction part 34 extends along the width direction of ship 1 42；The waste gas ingress pipe 42, the exhaust gas for will be discharged from assisted engine 14 are connected to via waste gas ingress pipe 42 to absorption Subsidiary engine waste gas ingress pipe 44a~44d that tower main part 32 guides.

In the illustrated embodiment, the one end of waste gas ingress pipe 42 is connected to above-mentioned exhaust emission tube 43, another One end is connected to the other end 34b of above-mentioned exhaust gas introduction part 34.Also, waste gas ingress pipe 42 is in steel plate structure object 6 Inside is horizontally extending.

In addition, in the illustrated embodiment, in the downstream side of exhaust emission tube 43, being connected with via exhaust gas baffle 47 The waste stack portion 46 and waste gas ingress pipe 42 that the inside of steel plate structure object 6 extends upward.Also, such as in sustainer When the exhaust producing devices such as 12 or assisted engine 14 stop, by exhaust gas baffle 47, exhaust gas will be led to from exhaust emission tube 43 The flow path in chimney portion 46 is opened and closes the flow path for leading to waste gas ingress pipe 42 from exhaust emission tube 43.Moreover, for example in master When the exhaust producing devices such as engine 12 or assisted engine 14 operate, by exhaust gas baffle 47, it will lead to from exhaust emission tube 43 It is opened to the flow path of waste gas ingress pipe 42 and closes the flow path for leading to waste stack portion 46 from exhaust emission tube 43.

In addition, in the illustrated embodiment, being connected in waste gas ingress pipe 42 useless for what is be discharged from assisted engine 14 Multiple subsidiary engines waste gas ingress pipe 44a~44d of flow of air.Moreover, in this multiple subsidiary engine with waste gas ingress pipe 44a~44d points Multiple subsidiary engine exhaust emission tube 48a~48d are not separately connected through not shown subsidiary engine exhaust gas baffle.Also, in example It, will be from multiple subsidiary engine waste gas ingress pipe 44a~44d points by exhaust gas baffle (not shown) when stopping such as assisted engine 14 Do not lead to multiple subsidiary engine exhaust emission tube 48a~48d flow path open and will from multiple subsidiary engine waste gas ingress pipe 44a~ The flow path that 44d respectively leads to waste gas ingress pipe 42 is closed.Moreover, in the operating of such as assisted engine 14, by (not shown) Exhaust gas baffle, by from multiple subsidiary engines with the flow path that waste gas ingress pipe 44a~44d respectively leads to waste gas ingress pipe 42 open and will be from Multiple subsidiary engines are closed with the flow path that waste gas ingress pipe 44a~44d respectively leads to multiple subsidiary engine exhaust emission tube 48a~48d.

According to such embodiment, the suction that can be configured relative to the narrow space in the inside of steel plate structure object 6 Tower 30 is received, the exhaust gas being discharged from sustainer 12 and assisted engine 14 is imported.

In several embodiments, as shown in above-mentioned Figure 11, absorbent tower body portion 32 includes: along inner space 31 A pair of of long side wall surface 32a, 32b that longitudinally extends parallel to each other；Along inner space 31 width direction in parallel to each other A pair of short edges wall surface 32c, 32d of extension.

According to such embodiment, the flat shape of the inner space 31 in absorbent tower body portion 32 is formed as long by a pair The rectangular shape that side wall face 32a, 32b and a pair of short edges wall surface 32c, 32d delimited.At this point, being implemented to rectangular corner The shape of fillet processing, the shape for implementing haunch of arch processing are also contained in the rectangular shape of present embodiment.With such The absorbent tower body portion 32 of the inner space 31 of rectangular shape is difficult to generate dead space volume when being configured in ship, therefore configures It is excellent in the allocative efficiency of aspect in ship.

Fig. 7 is in the ship desulfurizer of one embodiment of the present invention, empty in the accumulation on absorption tower for illustrating Between the figure of transversal component that is arranged.

In several embodiments, as shown in above-mentioned Fig. 5, it is formed with storage space 31a in absorbent tower body portion 32, Storage space 31a accumulates the cleaning solution dispensed dispensed for being directed into the exhaust gas of inner space 31.Also, as schemed Shown in 7, absorbent tower body portion 32, which has, to be connected a pair of of long side wall surface 32a, 32b (referring to Fig.1 1) and by the edge storage space 31a The transversal transversal component 70 in the width direction of inner space 31.

According to such embodiment, the table of the cleaning solution of storage space 31a is lodged in rolling due to ship 1 etc. In the case that face generates the shaking significantly to rise and fall, the shake of the liquid level is able to suppress by transversal component 70.Moreover, by setting Such transversal component 70 for connecting a pair of of long side wall surface 32a, 32b is set, also can be improved the inside with rectangular shape The intensity in the absorbent tower body portion 32 in space 31.

In several embodiments, as shown in Fig. 7 (a), above-mentioned transversal component 70 is by the crossbeam with elongate in shape Component 70A is constituted.

In the illustrated embodiment, beam member 70A is made of the H profile steel in the section for example with H shape, and Multistage (3 sections) are arranged at spaced intervals along the vertical direction in the approximate centre position of the longitudinally of inner space 31.If moreover, In dry embodiment, beam member 70A can be the beam in the section with I shape, L shape, T shape and tubular.

Above-mentioned shaking can be realized by the beam member 70A with elongate in shape according to such embodiment Inhibitory effect and the reinforcing effect in absorbent tower body portion 32.Moreover, according to such embodiment, for absorbent tower body portion 32 Reinforcing effect it is especially excellent.

In several embodiments, as shown in Fig. 7 (b), above-mentioned transversal component 70 is by the weir plate with writing board shape Component 70B is constituted.

In the illustrated embodiment, weir plate component 70B is made of the imperforate plate in the not formed hole of its plate face, including setting The approximate centre position of the longitudinally in portion space 31.It should be noted that weir plate component 70B can be and be formed in its plate face The porous plate in multiple holes.

Above-mentioned shaking can be realized by the weir plate component 70B with writing board shape according to such embodiment Inhibitory effect and the reinforcing effect in absorbent tower body portion 32.Moreover, the inhibitory effect of shaking is special according to such embodiment It is excellent.

In addition, though be not particularly illustrated, but above-mentioned transversal component 70 may include beam member 70A and weir plate component This two side of 70B.

In several embodiments, as shown in above-mentioned Fig. 5, ship desulfurizer 20 is also equipped with for being guided Exhaust gas to the inner space 31 in absorbent tower body portion 32 dispenses the dispensing device 38 (38A) of cleaning solution.Also, dispensing device 38A has in the inner space 31 in absorbent tower body portion 32 relative to a pair of of long side wall surface 32a, 32b (referring to Fig.1 1) difference The longitudinally sprinkler pipe 38a1 extended parallel to the and multiple Water spray nozzle 38a2 for being set to longitudinally sprinkler pipe 38a1.

In several embodiments, longitudinally sprinkler pipe 38a1 can inner space 31 width direction substantially Center is arranged 1.And in several embodiments, longitudinally sprinkler pipe 38a1 can be along the cross of inner space 31 Wide direction is equally spaced multiple.

According to such embodiment, can make from the multiple Water spray nozzles for being set to same longitudinally sprinkler pipe 38a1 38a2 is respectively to the constant distance of long side wall surface 32a, 32b.Cleaning solution can be equably dispensed in inner space 31 as a result, Therefore be able to suppress with the rocking of ship 1 (inclinations, pitching, sideway etc.) be thus the spreading of cleaning solution become it is non-uniform not The influence of good situation.

Fig. 8 is the skeleton diagram for indicating the absorption tower of ship desulfurizer of one embodiment of the present invention.It is shown in Fig. 8 Absorption tower 30 is for above-mentioned absorption tower shown in fig. 5 30, and only the structure of its dispensing device 38 is different.Accordingly, for Identical structure marks identical appended drawing reference, and the description thereof will be omitted.

In several embodiments, as shown in figure 8, ship desulfurizer 20 be also equipped with for be directed into absorb The exhaust gas of the inner space 31 of tower main part 32 dispenses the dispensing device 38 (38B) of cleaning solution.Also, dispensing device 38B is included It is extended parallel to respectively in the inner space 31 in absorbent tower body portion 32 relative to a pair of short edges wall surface 32c, 32d (referring to Fig.1 1) And the multiple width direction sprinkler pipe 38b1 equally spaced configured；It is respectively arranged extremely in multiple width direction sprinkler pipe 38b1 A few Water spray nozzle 38b2.

In several embodiments, Ke Yiwei is equally spaced configured more respectively in multiple width direction sprinkler pipe 38b1 A Water spray nozzle 38b2.Moreover, in several embodiments, Ke Yiwei distinguishes in adjacent width direction sprinkler pipe 38b1 The setting position of the Water spray nozzle 38b2 of configuration is not in staggered configuration overlappingly along width direction.In several embodiments, Multiple Water spray nozzle 38b2 of multiple width direction sprinkler pipe 38b1 configurations can be configured to zigzag under overlook view.

It, can will be in the respectively arranged Water spray nozzle of multiple width direction sprinkler pipe 38b1 according to such embodiment The spreading region of 38b2 is set to equal.Cleaning solution can be equably dispensed in inner space 31 as a result, therefore is able to suppress Become the shadow of non-uniform unfavorable condition with the spreading that (inclination, pitching, sideway etc.) has been thus cleaning solution that rocks of ship 1 It rings.

(aspect ratio)

As described above, the flat shape of inner space 31 is not limited to rectangular shape, as long as can play of the invention Effect can also then be formed to have the rectangular shape, elliptical shape, oblong shape etc. of longitudinally.

Figure 12 is the inside for the absorbent tower body portion for illustrating the ship desulfurizer of one embodiment of the present invention The figure of the relationship of the flat shape and shape (asperratio L/W) in space.As shown in Figure 12 (a)~(c), in several implementation In mode, the inner space 31 in absorbent tower body portion 32 includes arc-shaped at least part of flat shape.More specifically, In several embodiments, as shown in Figure 12 (a), the inner space 31 in absorbent tower body portion 32 is formed as by parallel to each other The substantially square that a pair of short edges wall surface of extension and a pair of of arc-shaped wall surface that the end of a pair of short edges wall surface is connected to each other delimited Shape shape.In other several embodiments, as shown in Figure 12 (b), the inner space 31 in absorbent tower body portion 32 is formed For elliptical shape.In other several embodiments, as shown in Figure 12 (c), the inner space 31 in absorbent tower body portion 32 Be formed as by existing a pair of of long side wall surface in parallel to each other and a pair of of circular arc that the end of a pair of of long side wall surface is connected to each other The oblong shape that shape wall surface delimited.

The above-mentioned present invention can be played by having the structure of above-mentioned several embodiments according to above-mentioned structure Effect.For example, the inner space in absorbent tower body portion is configured to have longitudinally along exhaust gas importing direction, thus and in the past Circle (round shape) absorption tower it is excellent compared to configurability when being difficult to generate dead space volume, therefore being configured to ship.Moreover, energy Enough (feelings on the absorption tower with the flat shape along exhaust gas importing direction with longitudinally provided relative to such as ULCS etc. Configurability is excellent under condition) the excellent ship desulfurizer of configurability for the super large marine of certain type.Moreover, and absorption tower Compared with the inner space of main part has the case where longitudinally along the direction orthogonal with exhaust gas importing direction, it can reduce useless Gas is under undesulfured state to the external risk being discharged on absorption tower.

Also, by the way that the upper limit of the ratio between the maximum width W of inner space and maximum length L (W: L) are set as 1: 6.0, The inhomogeneities that the exhaust gas in absorption tower can be made to flow is in the permissible range in practical use of present inventor's discussion.

In addition, the inner space 31 in absorbent tower body portion 32 passes through at least the one of flat shape according to above-mentioned structure Part includes arc-shaped, so that absorbent tower body portion 32 can be in the outer of the part comprising arc-shaped for being equivalent to inner space 31 The part setting of side can be improved layout for being piped the space that can be utilized by waiting.

(material)

Ship desulfurizer 20 without exposes, thus due to sea wind or rainwater etc. and outside wall surface may get rusty or rotten Erosion.Moreover, as described above use seawater as cleaning solution in the case where, the inner space 31 etc. on absorption tower 30 delimited Inner wall, dispensing device 38 may get rusty or corrode.Moreover, ship desulfurizer 20 is installed on ship 1, it is therefore desirable to examine Consider weight, processability, durability and maintenance.

In several embodiments, absorption tower 30 (including absorbent tower body portion 32, exhaust gas introduction part 34 and exhaust gas export Portion 36) wall surface (including long side wall surface 32a, 32b, short side wall surface 32c, 32d) and dispensing device 38 sprinkler pipe 38c1 (packet Include longitudinally sprinkler pipe 38a1, width direction sprinkler pipe 38b1) and Water spray nozzle 38c2 (including Water spray nozzle 38a2,38b2) Material be the carbon steel such as SS400 (ordinary steel).Also, in the wall surface on absorption tower 30, the sprinkler pipe of dispensing device 38 And the surfaces externally and internally of Water spray nozzle implements the corrosion protection overlay film based on corrosion protection coating.In this case, absorption tower 30 and spreading dress 38 are set due to using carbon steel, excellent in workability, moreover, because implementing the corrosion protection overlay film based on corrosion protection coating, therefore Corrosion resistance excellent.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In other several embodiments, in the wall surface on absorption tower 30, the sprinkler pipe of dispensing device 38 and watering spray The surfaces externally and internally of mouth implements the non corrosive linings such as resin lining or foliated glass lining.Here, the resin that resin lining uses is for example With FRP.In this case, absorption tower 30 and dispensing device 38 are due to being carried out non corrosive lining, corrosion resistance excellent.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In other several embodiments, the wall surface on absorption tower 30 and the sprinkler pipe of dispensing device 38 and watering spray The material of mouth is high corrosion-resistant stainless steel (stainless steel) such as SUS316L.In this case, absorption tower 30 and dispensing device 38 due to using high corrosion-resistant stainless steel, processability and corrosion resistance excellent, and with implement the corrosion protection based on corrosion protection coating The case where overlay film or non corrosive lining, is compared, and manufacturing time can be shortened, and durability and maintenance are excellent.

The invention of present embodiment can also be suitable for asperratio be in 1: greater than 1.1 and 1: less than equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In other several embodiments, positioned at least one of the absorbent tower body portion 32 of the top on absorption tower 30 Divide and the material of exhaust gas leading-out portion 36 is FRP (fiber-reinforced plastic).In this case, positioned at absorption tower 30 top absorption At least part of tower main part 32 and exhaust gas leading-out portion 36 due to using FRP, processability and corrosion resistance excellent, and with reality The case where applying the corrosion protection overlay film or non corrosive lining based on corrosion protection coating is compared, and manufacturing time, durability and maintenance can be shortened Property is excellent.It can be light weight also, compared with the case where using carbon steel or stainless steel.Moreover, by the upper of absorption tower 30 Side makes the small part light weight of load of effect, the position that the center of gravity on absorption tower 30 can be made low, thus can as Roll the absorption tower 30 with high resistance.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

(tower top)

As described above, when the flat shape on absorption tower is formed as along the shape that exhaust gas importing direction has longitudinally, The nearby side (exhaust gas inlet side) and inboard (opposite side of exhaust gas inlet) of longitudinally, gas flow rate difference is larger, It is difficult to flow exhaust gas equably in absorption tower, the flowing of the exhaust gas in absorption tower may become uneven.

Figure 13 is the skeleton diagram for indicating the absorption tower of ship desulfurizer of one embodiment of the present invention, is from Fig. 5 Shown in the direction A observation figure.As shown in figure 13, in several embodiments, absorption tower 30 includes inner space confirmation dress 80 are set, inner space confirmation device 80 is used to confirm spreading situation or the inside of the cleaning solution based on above-mentioned dispensing device 38 The flowing etc. of the exhaust gas of the inside in space 31.

As shown in figure 13, inner space confirmation device 80 include can be from the outside in absorption tower 30 (absorbent tower body portion 32) The visual confirmation window 80A of the translucency of the inside of visual confirmation inner space 31.Visual confirmation window 80A has such as glass surface The light-transmitting member with translucency, the upper end (top) for being able to confirm that the cleaning solution dispensed by dispensing device 38 is set Height and position.More specifically, as shown in figure 13, the ratio that the side end 39b of another party side is arranged in visual confirmation window 80A disappears Day with fog 37 is on the lower and the height and position more against the top than dispensing device 38.In several embodiments, as shown in figure 13, visually Confirm that window 80A is arranged 1 in the approximate centre position of the width direction of the side end 39b of another party side.Moreover, in several realities It applies in mode, visual confirmation window 80A is equally spaced multiple along the width direction of the side end 39b of another party side.

It should be noted that the upper end (top) of the cleaning solution dispensed by dispensing device 38 has filled layer in above-mentioned It is 1m or so positioned at the Water spray nozzle 38c2 (including Water spray nozzle 38a2,38b2) away from dispensing device 38 in 35 absorption tower 30 Top.Moreover, being located in the aftermentioned absorption tower 30 for not having filled layer 35 as shown in Figure 15 away from dispensing device 38 Water spray nozzle 38c2 be maximum 10m or so top.Moreover, in the absorption tower for not having filled layer 35, Water spray nozzle 38c2 is down-set, the structure including carrying out spraying structure or the dispersion using pallet progress gas-liquid.Do not have for above-mentioned The absorption tower of standby filled layer 35 can also be applicable in the invention of above-mentioned several embodiments and aftermentioned several embodiment. In several embodiments, visual confirmation window 80A is configured in the height and position roughly the same with the upper end of cleaning solution (top). Moreover, as shown in figure 15, absorbent tower body portion 32 is arranged in visual confirmation window 80A in other several embodiments The position close to inboard (opposite side of exhaust gas inlet) of side end 39c on width direction.

According to above-mentioned structure, absorption tower 30 includes inner space confirmation device 80 (visual confirmation window 80A), thus, it is possible to Confirm the flowing etc. of the exhaust gas of the spreading situation of the cleaning solution based on dispensing device 38 or the inside of inner space 31.Also, When spreading situation difference based on dispensing device 38, pass through the processing such as cleaning of Water spray nozzle 38c2 for carrying out dispensing device 38, energy Enough improvement for realizing the spreading situation based on dispensing device 38.Moreover, by the way that inner space is confirmed (the visual confirmation window of device 80 Close inboard (the exhaust gas importing of the side end 39b of the longitudinally another party side or side end 39c in width direction 80A) is set Mouthful opposite side) position, be able to confirm that using be arranged in exhaust gas inlet side inner space confirmation 80 (visual confirmation of device Window 80A) be difficult to opposite side confirm, exhaust gas inlet exhaust gas flowing.

In addition, absorption tower 30 includes inner space confirmation device 80 (visual confirmation window 80A), thus, it is possible to confirm from spreading The angle for the cleaning solution that the Water spray nozzle 38c2 of device 38 is dispensed, can grasp the situation of shaking according to the angle of cleaning solution. Moreover, in other several embodiments, by the light-transmitting member setting in visual confirmation window 80A along vertical direction or The marks such as the straight line that horizontal direction extends, so as to be easy the angle of confirmation cleaning solution.Moreover, by making above-mentioned mark Metal wire etc. can reinforce visual confirmation window 80A.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

It should be noted that Ke Yiwei, inner space confirms (the visual confirmation window of device 80 in several embodiments Other purposes 80A) being used in other than the confirmation of the spreading situation of dispensing device 38.For example, can be, in exhaust gas inlet Visual confirmation window 80A is arranged come the flowing for confirming the exhaust gas of exhaust gas inlet side, or in the accumulation for accumulating cleaning solution in side Visual confirmation window 80A is arranged to be used to confirm storage space 31a in height and position near the liquid level of space 31a.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

Figure 14 is the skeleton diagram for indicating the absorption tower of ship desulfurizer of one embodiment of the present invention, is to indicate not The figure for having an example on the absorption tower (liquid column tower, spray tower and absorption tower of pellet type etc.) of filled layer.In several embodiment party In formula, as shown in Figure 13,14, above-mentioned ship desulfurizer 20 has including above-mentioned absorbent tower body portion 32 and above-mentioned The absorption tower 30 of visual confirmation window 80A.In this case, absorption tower 30 includes: so that the side that exhaust gas is flowed in inner space 31 The absorbent tower body portion 32 that formula is constituted；The translucency of inner space 31 can be confirmed from the external visual in absorbent tower body portion 32 Visual confirmation window 80A.In the ship for having such absorption tower 30 in desulfurizer 20, operator is equal via visual confirmation window 80A is able to confirm that the flowing etc. of the exhaust gas flowed in inner space 31.

It include absorbent tower body portion 32 and visually having above-mentioned as shown in Figure 13,14 in several embodiments The ship on the absorption tower 30 of window 80A is confirmed in desulfurizer 20, and the inner space 31 in absorbent tower body portion 32 has lengthwise side To.Also, the end of a side side of the above-mentioned absorbent tower body portion 32 on the longitudinally of inner space 31 has and inside The above-mentioned exhaust gas inlet 33 that space 31 is connected to.Moreover, the lengthwise of inner space 31 is arranged in above-mentioned visual confirmation window 80A Another party side on direction.Here, " another party side " refers to the center on the ratio longitudinally of inner space 31 far from a side side Side.

In the embodiment shown in Figure 13, width direction of the visual confirmation window 80A in the side end 39b of another party side Approximate centre position is arranged 1.In other several embodiments, side end of the visual confirmation window 80A along another party side The width direction of 39b is equally spaced multiple.

In the embodiment shown in Figure 14, visual confirmation window 80A is arranged on the width direction in absorbent tower body portion 32 Side end 39c the position close to inboard (opposite side of exhaust gas inlet).

When inner space 31 has longitudinally, opposite side in exhaust gas inlet 33 side and exhaust gas inlet 33, gas Body flow velocity difference is larger, and the flowing of the exhaust gas in absorption tower 30 may become uneven.According to above-mentioned structure, absorption tower master The end of a side side of the body portion 32 on the longitudinally of inner space 31 has the exhaust gas inlet being connected to inner space 31 33.Also, visual confirmation window 80A be arranged in another party side on the longitudinally of inner space 31, such as longitudinally it is another The position close to inboard (opposite side of exhaust gas inlet) of the side end 39c of the side end 39b or width direction of one side side.Make Dealers etc. are able to confirm that and are difficult to using the visual confirmation window that 33 side of exhaust gas inlet is arranged in via visual confirmation window 80A The flowing of the exhaust gas of the opposite side of the exhaust gas inlet 33 of confirmation.

In several embodiments, having the above-mentioned suction including absorbent tower body portion 32 and visual confirmation window 80A The ship of tower 30 is received in desulfurizer 20, having above-mentioned dispensing device 38.The dispensing device 38 has can be by cleaning solution The internally above-mentioned Water spray nozzle 38c2 (including Water spray nozzle 38a2,38b2) that space 31 is sprayed.Also, above-mentioned is visual true Window 80A configuration is recognized in the position for capableing of visual confirmation Water spray nozzle 38c2.In this case, above-mentioned visual confirmation window 80A matches It sets in the position for capableing of visual confirmation Water spray nozzle 38c2, therefore operator etc. is able to confirm that via visual confirmation window 80A and is based on The spreading situation of the cleaning solution based on dispensing device 38 of the injection situation of the cleaning solution of Water spray nozzle 38c2 etc..Also, in base When the spreading situation difference of the cleaning solution of dispensing device 38, is handled, be can be realized by the cleaning etc. for carrying out Water spray nozzle 38c2 The improvement of spreading situation based on dispensing device 38.

It include absorbent tower body portion 32 and visual confirmation window having above-mentioned in other several embodiments The ship on the absorption tower 30 of 80A is in desulfurizer 20, having above-mentioned dispensing device 38.The dispensing device 38 has and can incite somebody to action The cleaning solution above-mentioned Water spray nozzle 38c2 (including Water spray nozzle 38a2,38b2) that internally space 31 is sprayed.Water spray nozzle 38c2 can spray upwards cleaning solution.The cleaning solution sprayed upwards from Water spray nozzle 38c2 rises in inner space 31 It is fallen naturally after end (top).Also, above-mentioned visual confirmation window 80A setting is dispensed by dispensing device 38 being able to confirm that Cleaning solution upper end (top) height and position.More specifically, visual confirmation window 80A configuration with the cleaning solution in design The roughly the same height and position in upper end (top).In this case, above-mentioned visual confirmation window 80A configuration be able to confirm that it is logical The position of the upper end of the cleaning solution of the spreading of dispensing device 38 is crossed, therefore operator etc. is able to confirm that base via visual confirmation window 80A It is whether appropriate in the spreading situation of the cleaning solution of dispensing device 38.

In several embodiments, in the absorption tower 30 for having filled layer 35 as shown in Figure 13, visual confirmation Window 80A is arranged in the Water spray nozzle 38c2 than dispensing device 38 and has separated 0.5m or more and 1.5m or less, preferably upwards 0.7m or more and 1.3m or less, more preferably 0.8m or more and 1.2m height and position below.In this case, operator via Visual confirmation window 80A is able to confirm that the upper end (top) of the cleaning solution dispensed by dispensing device 38.

In several embodiments, in the absorption tower 30 for not having filled layer 35 as shown in Figure 14, visually really Recognize the Water spray nozzle 38c2 that window 80A is arranged in than dispensing device 38 separated upwards 5m or more and 15m or less, preferably 7m with Upper and 13m or less, more preferably 8m or more and 12m height and position below.In this case, operator is via visual confirmation window 80A is able to confirm that the upper end (top) of the cleaning solution dispensed by dispensing device 38.

In several embodiments, in the above-mentioned suction having including absorbent tower body portion 32 and visual confirmation window 80A The ship of tower 30 and the dispensing device 38 with Water spray nozzle 38c2 is received in desulfurizer 20, above-mentioned absorbent tower body portion 32 With above-mentioned defogger 37, which is configured to make exhaust gas from flowing underneath towards top in vertical direction, and The position more against the top than Water spray nozzle 38c2 is set in inner space 31.Also, as shown in Figure 13,14, visual confirmation window 80A configuration is in the position than Water spray nozzle 38c2 against the top and than above-mentioned defogger 37 on the lower.In this case, absorption tower master Body portion 32 by make exhaust gas from vertical direction underneath towards top flowing in a manner of constituted.Also, visual confirmation window 80A is configured In the position than Water spray nozzle 38c2 against the top and than defogger 37 on the lower.Exhaust gas than the position on the lower of defogger 37 with Cleaning solution carries out gas-liquid contact, therefore even if assuming that visual confirmation window 80A is arranged in the position more against the top than defogger 37, also without The spreading situation of cleaning solution of the method confirmation based on dispensing device 38.By the way that visual confirmation window 80A is formed as above-mentioned configuration, make Dealer is able to confirm that the spreading situation of the cleaning solution based on dispensing device 38 via visual confirmation window 80A.Especially sprayed in watering Mouth 38c2 by can upwards to jet cleaning liquid in a manner of constituted in the case where, operator is via above-mentioned visual confirmation window 80A It is identified through the upper end of the cleaning solution of the spreading of dispensing device 38, thus, it is possible to confirm whether the spreading situation of cleaning solution is appropriate.

The invention of above-mentioned several embodiments can also be suitable for asperratio and be in 1: being greater than 1.1 and 1: being less than Rectangular absorption tower or circular absorption tower outside equal to 6.0 range.

(packing material)

As described above, in filled layer 35, such as by multiple regular filler laminated multi-layers.Here, in filled layer 35 Filler (packing material) improves the exhaust gas of the inside on absorption tower 30 and the gas liquid contacting efficiency of cleaning solution.Absorption tower 30 is when with ship Rock (inclination, pitching, sideway etc.) of oceangoing ship 1 has been the filler movement being thus laminated in filled layer 35 and has become non-uniform When configuration, a possibility that discharge with undesulfured state to the outside on absorption tower there are exhaust gas.

Figure 15 is the perspective view (concept map) for illustrating the filler of one embodiment of the present invention.As shown in figure 15, In several embodiments, the filler 35A of filled layer 35 is arranged multiple in length and breadth.As shown in figure 15, filler 35A It is respectively formed as substantially rectangular parallelepiped.Filler 35A has the outer diameter of such as 500mm, 500mm and 100mm.Also, it fills out Object 35A is filled in the position of the setting filled layer 35 of inner space 31, is arranged in length and breadth respectively multiple.It should be noted that In filled layer 35, filler 35A can not also be laminated and 1 layer of filler 35A is laterally arranged multiple.

According to above-mentioned structure, the filler 35A of filled layer 35 is mutually at least laterally arranged, thus can limit by Ship 1 rocks caused movement, prevents the case where becoming non-uniform configuration, therefore can reduce exhaust gas with undesulfured shape The external risk that is discharged of the state to absorption tower.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, filler 35A includes regular filler at least part, other several In embodiment, filler 35A includes irregular filler at least part.Here, " regular filler " expression is suitable for The filler regularly stacked, " irregular filler " indicate the filler stacked to scrambling in filling.Irregularly Although filler is bigger than the required crushing of regular filler, the dispersibility of cleaning solution can be improved.Therefore, filler 35A According to the process performance of required crushing and cleaning solution, Lai Xuanding is set as which of regular filler and irregular filler, Or how make the ratio of regular filler and irregular filler.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, above-mentioned ship desulfurizer 20 has: above-mentioned includes absorbent tower body portion 32 absorption tower 30；Above-mentioned dispensing device 38；And filler 35A, to the filling being arranged in above-mentioned inner space 31 Layer 35 is filled, and is configured to that cleaning solution is made to carry out gas-liquid contact with the exhaust gas passed through in filled layer 35.In this case, ship With desulfurizer 20 when exhaust gas flows through between the filler 35A for being filled in filled layer 35 (gap), it can make in filler 35A Surface at the cleaning solution that increases of contact area carry out gas-liquid contact with by the exhaust gas of filler 35A movement disorder.According to Such ship desulfurizer 20, can be improved the gas liquid contacting efficiency of cleaning solution and exhaust gas by filler 35A, therefore with The case where not having filler 35A is compared, and can remove effectively the sulphur ingredient contained in exhaust gas.

Figure 16 is the skeleton diagram for illustrating the lumarith of one embodiment of the present invention, is to indicate ship desulfurizer Absorption tower skeleton diagram.As shown in figure 16, the internal volume 31 in several embodiments, in absorbent tower body portion 32 The wall in addition to marking off filled layer 35 in wall surface (including long side wall surface 32a, 32b, short side wall surface 32c, 32d) delimited At least part of wall surface other than face is formed with lumarith 84.Also, the filled layer that marks off in absorbent tower body portion 32 The not formed lumarith 84 of wall surface.Lumarith 84 includes the above-mentioned corrosion protection overlay film based on corrosion protection coating and above-mentioned corrosion protection lining In.

Absorption tower 30 (absorbent tower body portion 32) is assembled by block method.That is, absorption tower 30 (absorbent tower body portion 32) By being manufactured according to the part of several stratiforms such as slice, the part of each stratiform is stacked and part is connected to each other and complete At.

Absorbent tower body portion 32 in Figure 16 using double dot dash line as being distinguished and indicate each section, by by first layer Shape part 32A, the second stratiform part 32B, third stratiform part 32C are stacked and part is connected to each other and complete, the first layer Shape part 32A has the wall surface for marking off filled layer 35, and second stratiform part 32B is the ratio first in absorbent tower body portion 32 The part of stratiform part 32A on the lower has the wall surface for marking off storage space 31a or lower side inner space 31b, the third Stratiform part 32C is the part against the top the first stratiform of ratio part 32A in absorbent tower body portion 32, has and marks off upper side The wall surface of inner space 31c.

The material of second stratiform part 32B, third stratiform part 32C and exhaust gas introduction part 34 is the carbon such as SS400 Plain steel (ordinary steel).Also, as shown in figure 16, in the second stratiform part 32B, third stratiform part 32C and exhaust gas introduction part 34 Wall surface (inner wall) be formed with lumarith 84.In contrast, the material of the first stratiform part 32A is such as SUS316L High corrosion-resistant stainless steel (stainless steel).Also, it is as shown in figure 16, not formed in the wall surface (inner wall) of the first stratiform part 32A Lumarith 84.

Ship with desulfurizer 20 due to high temperature exhaust gas absorbent tower body portion 32 internal flow, absorption tower The wall surface (inner wall) etc. that the internal volume 31 of main part 32 delimited is likely due to sulphur ingredient contained in exhaust gas etc. And corrode.Moreover, because of seawater corruption may occur for above-mentioned wall surface etc. in the case where using seawater as cleaning solution Erosion.In general, in order to protect above-mentioned wall surface, it is contemplated that the case where throughout lumarith 84 of setting by entire surface of above-mentioned wall surface.So And the filler 35A movement due to rocking for ship, it is sent out with the lumarith 84 protected to the wall surface for marking off filled layer 35 Raw collision may make the lumarith 84 remove or damage.The removing or damage of lumarith 84 may result in by lumarith 84 The corrosion of the wall surface of protection.

According to above-mentioned structure, internal volume 31 of the ship with desulfurizer 20 in absorbent tower body portion 32 delimited Wall surface (inner wall) in the wall surface in addition to marking off filled layer 35 other than wall surface formed lumarith 84.When filling out marking off When filling the wall surface formation lumarith 84 of layer 35, due to rocking for ship, filler 35A is mobile, collides with lumarith 84, The lumarith 84 may be made to remove or damage, therefore do not form lumarith 84 in the wall surface for marking off filled layer 35, be replaced in This, by the stratiform part (above-mentioned first stratiform part 32A) of the encirclement filled layer 35 in absorbent tower body portion 32 by for example stainless The corrosion resistant materials such as steel are constituted, to inhibit the corrosion of wall surface.Such ship desulfurizer 20 can be prevented by filler The damage of lumarith 84 caused by 35A, and inhibit to delimit out the corrosion of the wall surface of inner space 31.

In several embodiments, is having the above-mentioned absorption tower 30 including absorbent tower body portion 32, above-mentioned spreading Cloth apparatus 38, above-mentioned filler 35A ship in desulfurizer 20, filler 35A is regular filler.Such case Under, ship, since filler 35A is regular filler, is irregular filler with filler 35A with desulfurizer 20 Situation is compared, and the pressure loss of exhaust gas can be reduced, and is capable of increasing the treating capacity of exhaust gas.It therefore, is to fill out with regular filler Fill the ship of object 35A with desulfurizer 20 with using irregular filler compared with the ship desulfurizer 20 of filler 35A, energy Enough realize the miniaturization on absorption tower 30.Moreover, regular filler is compared with irregular filler, it is difficult to due to rocking for ship 1 It is mobile, it is difficult to become non-uniform configuration due to rocking because of ship 1.Therefore, it is used by the ship of filler 35A of regular filler Desulfurizer 20 with using irregular filler as the ship desulfurizer 20 of filler 35A compared with, can reduce exhaust gas with not The external risk that is discharged of the state of desulfurization to absorption tower 30.

In several embodiments, is having the above-mentioned absorption tower 30 including absorbent tower body portion 32, above-mentioned spreading Cloth apparatus 38, above-mentioned filler 35A ship in desulfurizer 20, absorbent tower body portion 32 so that exhaust gas from vertical direction On underneath towards top flowing mode constitute.Also, dispensing device 38 is constituted in a manner of spraying cleaning solution upwards.This In the case of kind, dispensing device 38 is constituted in a manner of spraying cleaning solution upwards.The cleaning solution sprayed upwards is at upper end (top) It is miniaturize and is fallen after dispersion, thus dispersedly exist inside the surface of such as filler 35A in space 31.Exhaust gas When in inner space 31 from vertical direction underneath towards top flowing, with the cleaning adhered on the surface of filler 35A Liquid or the cleaning solution fallen carry out gas-liquid contact, thus remove the sulphur ingredient contained in exhaust gas.

The invention of above-mentioned several embodiments can also be suitable for asperratio and be in 1: being greater than 1.1 and 1: being less than Rectangular absorption tower outside equal to 6.0 range.

In several embodiments, at least upper surface filler 35A has being capable of intensity corresponding with the load of people.This In the case of kind, it can be utilized as the scaffold in inner space 31 the case where set parts or when maintaining operation.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, interval Hn between filled layer 35 and dispensing device 38 shown in Figure 13 be 2m with On.In this case, can ensure that working space, thus be able to achieve dispensing device 38 install or the efficient activity of replacement operation.And And increase the size of the manhole by inner space 31 and external connection corresponding to the expansion of working space, thus, it is possible into one Step realize dispensing device 38 install or the efficient activity of replacement operation.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, as shown in figure 14, at least part in storage space 31a configures pH regulator 81.More specifically, as shown in figure 14, pH regulator 81 includes being paved with the inside in net and being paved in the bottom of storage space 31a The alkaline agent 81A of at least part of rock-like in face.Moreover, the alkaline agent 81A of rock-like is spread in several embodiments Completely in the one side at the bottom of storage space 31a.

According to above-mentioned structure, since at least part in storage space 31a configures the alkaline agent 81A of rock-like, Therefore the seawater (cleaning solution) after the alkaline agent 81A of rock-like pH desulfurization low with what it is comprising sulfurous acid can be made to contact, therefore energy It is enough that seawater after low pH desulfurization is neutralized and increase pH value.Moreover, passing through being paved on one side at the bottom of storage space 31a The alkaline agent 81A of rock-like, can reduce undulation when shaking, therefore can reduce and act on absorption tower master when shaking The power in body portion 32.Moreover, the case where mitigating undulation when shaking, has on absorption tower 30 as shown in Figure 14 in product It deposits when the cleaning solution dispensed accumulated in the 31a of space has been more than a certain amount of to the flowing of seawater discharge pipe 59 for being located at downstream side It is particularly useful in the case where partition 82, it is able to suppress the cleaning solution dispensed due to undulation when shaking and is although unsatisfactory for A certain amount of but the case where downstream flowing.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In addition, as shown in figure 14, absorption tower 30 is in storage space 31a and seawater discharge pipe in several embodiments Seawater water flowing space 82a is formed between 59 inner space 59a, the seawater water flowing space 82a is by above-mentioned partition 82, lengthwise The lower end of the side end 39b of direction another party side, the bottom surface of storage space 31a, from side end 39b vertically and to sea The top 83 that 59 side of water discharge pipe extends delimited out.Also, it is paved with above-mentioned rock on one side at the bottom of seawater water flowing space 82a The alkaline agent 81A of shape.

According to above-mentioned structure, at least part in seawater water flowing space 82a is configured with the alkaline agent of rock-like 81A, therefore the seawater (cleaning solution) after the alkaline agent 81A of rock-like pH desulfurization low with what it is comprising sulfurous acid can be made to contact, because This can neutralize the seawater after low pH desulfurization and increase pH value.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In addition, the setting of top 83 in the top positioned at seawater water flowing space 82a can open in several embodiments The hatch 83a closed.It in this case, can be by the alkalinity of the rock-like in seawater water flowing space 82a by opening hatch 83a Agent 81A is replaced according to each net, therefore is able to achieve the efficient activity of the replacement operation of the alkaline agent 81A of rock-like.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

As shown in figure 14, in several embodiments, absorption tower 30 become do not have by lower side inner space 31b with The structure for the filled layer 35 that upper side inner space 31c separates.Here, will be set as on the lower than dispensing device 38 in Figure 14 Lower side inner space 31b will be set as against the top upper side inner space 31c than dispensing device 38.Dispensing device 38 with have The case where filled layer 35, is compared, the position configured in the close lower section in absorbent tower body portion 32.Therefore, upper side inner space 31c has length along vertical direction.

According to above-mentioned structure, upper side inner space 31c has length along vertical direction, therefore can make to fill from spreading The upper end (top) for setting the cleaning solution of 38 spreadings becomes high position.Therefore, absorption tower 30 can not having filled layer 35 Enough reduce the external risk that is discharged of the exhaust gas with undesulfured state to absorption tower.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

Figure 17 is the skeleton diagram for indicating the absorption tower of ship desulfurizer of one embodiment of the present invention, is for saying The figure of bright wall surface stiffener and spaced walls.As shown in figure 17, in several embodiments, absorption tower 30 is in absorbent tower body Wall surface stiffener 92 is arranged in the inside in portion 32.As shown in figure 17, wall surface stiffener 92 be fixed on a pair of of long side wall surface 32a, One in 32b and a pair of short edges wall surface 32c, 32d, by from fixed wall surface internally 31 side of space it is outstanding in a manner of be arranged, With along longitudinally as fixed wall surface horizontally.It in this case, can by wall surface stiffener 92 Keep the structural strength on absorption tower 30.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, as shown in figure 17, absorption tower 30 has configuration in inner space 31 and along lengthwise Direction extends and inner space 31 is divided at least one spaced walls 93 in multiple spaces.In this case, pass through spaced walls 93 are able to maintain the structural strength on absorption tower 30, and can be rectified to exhaust gas by spaced walls 93.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, a pair of of long side wall surface 32a, 32b on absorption tower 30 is than a pair of short edges wall surface 32c, 32d Formed thick.In this case, by making a pair of of long side wall surface 32a, 32b heavy wall, the structure for being able to maintain absorption tower 30 is strong Degree.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

(spraying)

In several embodiments, as shown in Fig. 5,8,14, above-mentioned ship desulfurizer 20 has above-mentioned packet Include absorbent tower body portion 32 absorption tower 30 and above-mentioned dispensing device 38.Also, dispensing device 38 has in inner space The sprinkler pipe 38c1 (including longitudinally sprinkler pipe 38a1, width direction sprinkler pipe 38b1) that extends in 31 and separate specified interval Ground is configured at multiple Water spray nozzle 38c2 (including Water spray nozzle 38a2,38b2) of sprinkler pipe 38c1.In this case, ship is used Desulfurizer 20 makes the cleaning solution flowed in sprinkler pipe 38c1 from being configured at the multiple of sprinkler pipe 38c1 at intervals Water spray nozzle 38c2 sprays respectively, and thus, it is possible to internally spaces 31 equably to dispense cleaning solution.Ship desulfurizer as a result, 20 are able to suppress and become non-uniform bad with the spreading that the rocking of ship 1 (inclination, pitching, sideway etc.) has been thus cleaning solution The influence of situation.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, absorption tower 30 further includes being formed to have the strip of longitudinally and capable of spreading At least one supporting element of the sprinkler pipe 38c1 of cloth apparatus 38 from lower side bearing.Supporting element can be pole or square rod, Ke Yiwei Tabular, L font etc..Also, supporting element configures in such a way that the longitudinally of longitudinally and sprinkler pipe intersects, longitudinally Both ends be fixed on the wall surface in absorbent tower body portion 32.In the case where having multiple supporting elements, multiple supporting elements are with mutual Longitudinally along the mutually equally spaced mode of mode configure.It should be noted that sprinkler pipe 38c1 can also be fixed on Supporting element.

According to above-mentioned structure, the sprinkler pipe 38c1 of dispensing device 38 by supporting element from lower side bearing, therefore sprinkler pipe 38c1 itself can not have structural strength, be able to carry out miniaturization, the lightweight of sprinkler pipe 38c1.Moreover, in sprinkler pipe Operation can be carried out with the state being placed on supporting element when the setting of 38c1 and when replacing, therefore be able to achieve setting operation, more Change the efficient activity of operation.Moreover, being sprinkled water in the case where supporting element is equally spaced configured by being arranged between supporting element Nozzle 38c2 and can be easy and equably configure Water spray nozzle 38c2.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, absorption tower 30 further includes multiple above-mentioned supporting elements.Multiple supporting elements are on absorption tower It is configured at regular intervals in 30 short transverse.

According to above-mentioned structure, since multiple supporting elements are matched at regular intervals in the short transverse on absorption tower 30 It sets, therefore the height and position of sprinkler pipe 38c1 can be changed.Moreover, multiple supporting elements are able to use in the maintenance of such as lining In the setting of operation scaffold, therefore the trouble of operation scaffold can be saved, shorten the time of setting operation.Moreover, multiple Purposes of the supporting element other than the setting of operation scaffold is also free to efficiently use, therefore can be improved absorption tower 30 Maintenance.Here, ship 1 due to berth expense the problems such as and during the operation of dock or can berth during harbour It is limited, therefore shorten during the maintenance on the absorption tower 30 that has of ship 1, maintenance especially important.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, the sprinkler pipe 38c1 of dispensing device 38, which has, not to be needed by supporting element from lower side bearing Degree structural strength.In this case, supporting element can be not provided on absorption tower 30.

In addition, the sprinkler pipe 38c1 of dispensing device 38 has can be corresponding with the load of people in several embodiments Intensity.In this case, can using sprinkler pipe 38c1 as in inner space 31 the case where set parts or maintenance operation When scaffold utilize.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, the sprinkler pipe 38c1 of dispensing device 38 links machine for example, by fastenings such as bolt fastenings Structure and can removably be fixed on absorbent tower body portion 32.In this case, since sprinkler pipe 38c1 can be removably fixed on Absorbent tower body portion 32, therefore can easily be done the replacement operation of sprinkler pipe 38c1.Therefore, it can be improved absorption tower 30 Maintenance.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.Moreover, the invention of this implementation is on the absorption tower comprising supporting element and not comprising the suction of supporting element Receiving can be applicable in tower.

In several embodiments, the Water spray nozzle 38c2 of dispensing device 38 is for example, by bolt fastening or screw threads for fastening Sprinkler pipe 38c1 can be removably fixed on Deng fastening link mechanism.In this case, since Water spray nozzle 38c2 can be torn open Dress ground is fixed on sprinkler pipe 38c1, therefore can be easy to carry out the replacement operation of Water spray nozzle 38c2.Therefore, it can be improved absorption The maintenance of tower 30.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.Moreover, the invention of this implementation is on the absorption tower comprising supporting element and not comprising the suction of supporting element Receiving can be applicable in tower.

(desulfurizing tower leading portion)

Figure 18 is the figure for the exhaust gas cooling device for illustrating the ship desulfurizer of one embodiment of the present invention.Such as Shown in Figure 18, in several embodiments, ship desulfurizer 20 is also equipped with configuration in the vertical component effect of exhaust gas introduction part 34 It is used to dispense the exhaust gas cooling device 85 of cooling water in 34B to the exhaust gas being directed into exhaust gas introduction part 34.Also, exhaust gas Cooling device 85 include relative to be located at exhaust gas introduction part 34 width direction two sides a pair of of wall surface and along parallel or vertical Direction extend sprinkler pipe 85a；And it is set to multiple cooling water nozzle 85b of sprinkler pipe 85a.Here, sprinkler pipe 85a and Cooling water nozzle 85b is respectively provided with and above-mentioned sprinkler pipe 38c1 (including longitudinally sprinkler pipe 38a1, width direction sprinkler pipe 38b1) and Water spray nozzle 38c2 (including Water spray nozzle 38a2,38b2) distinguishes same structure, therefore saves about common item Slightly illustrate.

It can reduce the exhaust gas being directed into exhaust gas introduction part 34 by dispensing cooling water according to above-mentioned structure Temperature.Therefore, it is able to suppress the rising of the temperature in exhaust gas introduction part 34.Here, the absorption tower 30 of ship in upstream side The absorption tower that configuration carries out the land of the heat exchanger of the heat exchange of exhaust gas is compared, and the exhaust gas in exhaust gas introduction part 34 is directed into Temperature is high.More specifically, for the absorption tower on land, 170 are cooled to before guiding into exhaust gas introduction part 34 DEG C or so, but for the absorption tower of ship, 300 DEG C or so of exhaust gas is directly guided into exhaust gas introduction part 34.Moreover, In the case where the exhaust gas introduction part 34 on the absorption tower 30 to ship implements non corrosive lining (lumarith 84), because of the heat of exhaust gas And non corrosive lining may damage.Moreover, can not carry out exhaust gas in the spreading of the dispensing device 38 in absorbent tower body portion 32 and lead Enter the cooling of the entrance side in portion 34.Therefore, exhaust gas cooling device 85 is particularly useful when being set to the absorption tower 30 of ship.And And by dispensing cooling water, the volume for the exhaust gas being directed into exhaust gas introduction part 34 can be reduced, therefore in absorption tower 30 It is capable of handling a large amount of exhaust gas.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, as shown in figure 18, exhaust gas cooling device 85 is by via from sea water supply device 50 The cooling water supply pipe 58a (cooling water pipeline) of the branch at branch point TP1 of sea water supply pipe 58, which is supplied, pumps 54a by sea water supply It is directed to the seawater of the inside of craft body 2.In this case, sea water supply device 50 and dispensing device 38 can be shared, Therefore the enlargement of ship desulfurizer 20 or the complication of structure can be prevented.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, as shown in figure 18, ship desulfurizer 20 is also equipped with to be used in emergency The emergency cooling device 87 of emergency cooling water is supplied to exhaust gas cooling device 85.Here, being when emergency Refer to the situation such as not carrying out the spreading based on dispensing device 38 in for water tower 30 and exhaust gas becomes high temperature.Emergency is used Cooling device 87 includes: the emergency tank 86 for accumulating emergency cooling water；It is connected to spilling for exhaust gas cooling device 85 Water pipe 85a and emergency tank 86 and be used for will the emergency cooling water from emergency tank 86 to sprinkler pipe The emergency cooling water pipeline 88 of 85a supply.Also, emergency cooling device 87 does not need power supply, even if disconnected It can also be acted when electric.For example, emergency uses cooling device 87 to can be comprising pressurized canister as emergency tank 86 Structure, furthermore, it is possible to be that emergency tank 86 is configured at high position and difference of height is utilized to supply emergency to sprinkler pipe 85a With the structure of cooling water.Moreover, as shown in figure 18, emergency opening and closing can be set in emergency cooling water pipeline 88 Valve 90.Emergency is closed with open and close valve 90 from during power supply electric power, is opened when power is off.In this case, even if The emergency that can also act when power is off dispenses cooling water in emergency with cooling device 87, and thus, it is possible to reduce quilt It is directed to the temperature of the exhaust gas in absorption tower 30.Therefore, it is able to suppress the rising of the temperature in absorption tower 30, therefore can be prevented The case where absorption tower 30 is broken down due to high temperature.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, as shown in figure 18, ship desulfurizer 20 is also equipped with to be used in emergency Exhaust gas is set to bypass the emergency by-pass collar 89 on absorption tower 30.Emergency by-pass collar 89 includes: to start with master The switching baffle 89a of the midway setting of the pipeline for the exhaust gas that machine 12 and absorption tower 30 connect；With assisted engine 14 and absorb The switching baffle 89b of the midway setting of the pipeline for the exhaust gas that tower 30 connects.When usual, switch baffle 89a and switching baffle 89b It closes the flow path bypassed and opens the flow path being connected to absorption tower 30.In emergency, switch baffle 89a and switching baffle 89b opens the flow path bypassed and closes the flow path being connected to absorption tower 30.In this case, emergency by-pass collar 89 At emergency exhaust gas can bypass without flowing to absorption tower 30.Therefore, absorption tower 30 is able to suppress in emergency The rising of interior temperature, therefore the case where absorption tower 30 is broken down due to high temperature can be prevented.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

Figure 19 is the figure for the exhaust gas cooling device for illustrating the ship desulfurizer of one embodiment of the present invention.? In several embodiments, as shown in figure 19, above-mentioned ship desulfurizer 20 has above-mentioned absorption tower 30 and above-mentioned Exhaust gas cooling device 85, the absorption tower 30 include absorbent tower body portion 32 and and the exhaust gas inlet for being formed with exhaust gas inlet 33 The exhaust gas introduction part 34 of 33 connections, the exhaust gas cooling device 85 can dispense the exhaust gas being directed in exhaust gas introduction part 34 Cooling water.Also, exhaust gas cooling device 85 have be configured to by cooling water towards the flow direction of exhaust gas upstream side spray Cooling water nozzle 85b.

According to above-mentioned structure, 20 exhaust gas cooling device 85 of ship desulfurizer is for being directed to exhaust gas introduction part 34 In exhaust gas dispense cooling water be able to suppress useless thus, it is possible to reduce the temperature for the exhaust gas being directed into exhaust gas introduction part 34 The rising of temperature in gas introduction part 34.Compared with being set to the desulfurizer on land in power plant, filled to ship with desulfurization The exhaust gas of 20 importing high temperature is set, therefore, in order to mitigate influence to desulfurizer, improve desulfurization performance, reduces the temperature of exhaust gas It is most important.Moreover, can reduce and be directed into exhaust gas introduction part 34 by dispensing cooling water using exhaust gas cooling device 85 Exhaust gas volume, therefore a large amount of exhaust gas is capable of handling in absorption tower 30.Moreover, the cooling water of exhaust gas cooling device 85 sprays Mouth 85b sprays the upstream side of cooling water towards the flow direction of exhaust gas, therefore can drop before reaching cooling water nozzle 85b The temperature of the low exhaust gas being directed in exhaust gas introduction part 34 is able to suppress the cooling water nozzle 85b due to heat of exhaust gas and occurs The case where damage.

In several embodiments, as shown in figure 19, above-mentioned exhaust gas cooling device 85 includes: to be configured to by from seawater Supply pump 54a supplies seawater as the first exhaust gas cooling device 85C of cooling water；And be configured to by from emergency with cold But device 87 supplies such as industrial water as the first exhaust gas cooling device 85D of emergency cooling water.That is, ship is used Desulfurizer 20 can have the dedicated device for spraying emergency cooling water from cooling water nozzle 85b or match Pipe.

As described above, above-mentioned cooling water is the seawater for being directed to the inside of ship 1 in several embodiments. In this case, ship uses desulfurizer 20, as cooling water, can press down by using the seawater for the inside for being directed to ship 1 Make the consumption of the water such as the industrial water needed for the navigation of ship 1.

In several embodiments, above-mentioned ship desulfurizer 20 has above-mentioned absorption tower 30 and above-mentioned tool There is the exhaust gas cooling device 85 of cooling water nozzle 85b, which includes the absorbent tower body for being formed with exhaust gas inlet 33 Portion 32 and the exhaust gas introduction part 34 being connect with exhaust gas inlet 33.Also, exhaust gas introduction part 34 is configured to make exhaust gas from vertical side It flows downward upward top.In addition, cooling water nozzle 85b sprays cooling water upwards.

Here, dispensing cooling water for the exhaust gas being directed in exhaust gas introduction part 34 by exhaust gas cooling device 85 makes Exhaust gas when the temperature drops, generating sulfurous acid sometimes.Moreover, in the case where using seawater as cooling water, due to temperature Rise and salt is precipitated from seawater sometimes.When sulfurous acid or salt are attached to cooling water nozzle 85b, dispense performance may under Drop.

According to above-mentioned structure, cooling water nozzle 85b is configured to upwards spray cooling water.The cooling water sprayed upwards exists The position more against the top than cooling water nozzle 85b and exhaust gas contact drop to cooling water nozzle after declining the temperature of exhaust gas 85b is upper etc..The cleaning solution dropped on cooling water nozzle 85b can to the sulfurous acid or salt for being attached to cooling water nozzle 85b into Row rinses.Moreover, being able to maintain cooling water nozzle 85b by the cleaning solution dropped on cooling water nozzle 85b is wet state, Thus, it is possible to inhibit sulfurous acid or salt to the attachment of cooling water nozzle 85b, and it is able to suppress in the temperature of cooling water nozzle 85b It rises.

In several embodiments, above-mentioned ship desulfurizer 20 has above-mentioned absorption tower 30 and above-mentioned useless Air cooling device 85, the absorption tower 30 include be formed with exhaust gas inlet 33 absorbent tower body portion 32 and with exhaust gas inlet 33 The exhaust gas introduction part 34 of connection.Above-mentioned exhaust gas cooling device 85 includes above-mentioned cooling water nozzle 85b；Above-mentioned cooling water Supply pipe 58a (cooling water pipeline) is used to supply cooling water to cooling water nozzle 85b；And cooling water control valve 94, it sets It is placed in cooling water supply pipe 58a (cooling water pipeline), and the spreading amount from the cooling water nozzle 85b cooling water dispensed can be controlled Cooling water control valve 94.

(sea water supply pumps the side 54a) the i.e. cooling water of primary side on the upstream side than cooling water control valve 94 of cooling water pipeline Pressure thus significantly to be changed according to the variations such as operating number that the height of water line, sea water supply pump 54a (pump), it is assumed that When not set cooling water control valve 94, due to the above-mentioned spreading for changing the cooling water wanted thus from cooling water nozzle 85b spreading Significantly deviation is measured, therefore the cooling of exhaust gas for being directed to exhaust gas introduction part 34 may be insufficient.In contrast, according to above-mentioned Structure, exhaust gas cooling device 85 controlled by cooling water control valve 94 from the spreading of the cooling water nozzle 85b cooling water dispensed Amount, thus, it is possible to be sufficiently carried out cooling for the exhaust gas for being directed to exhaust gas introduction part 34.

In several embodiments, above-mentioned cooling water control valve 94 is so that than 94 downstream of cooling water control valve (side cooling water nozzle 85b) the i.e. pressure of the cooling water of secondary side becomes constant mode and adjusts aperture, thus controls from cold But the spreading amount for the cooling water that (operating) water nozzle 85b is dispensed.

As shown in figure 19, in cooling water supply pipe 58a than 94 downstream of cooling water control valve (wake flow side) be used as under When swimming side cooling water supply pipe 58b, (the Fluid pressure detection dress of pressure gauge 95 is set in downstream side cooling water supply pipe 58b It sets).Pressure gauge 95 is configured to the pressure of the cooling water in detection downstream side cooling water supply pipe 58b.Cooling water control valve 94 are configured to make the pressure detected by pressure gauge 95 become constant mode and adjust aperture.

Made by cooling water control valve 94 more permanent than the pressure of the cooling water of 94 downstream of cooling water control valve (wake flow side) Fixed, the pressure of cooling water when thus spraying from cooling water nozzle 85b is also constant, therefore from cooling water nozzle 85b always by one Cooling water more than quantitative is dispensed to fixed height.In this case, since one can be dispensed always from cooling water nozzle 85b Cooling water more than quantitative, therefore the exhaust gas being directed into exhaust gas introduction part 34 can persistently be cooled down.

In addition, with for example being continued by temperature of the thermometer to the cooling water in the cooling water supply pipe 58b of downstream side Other detection devices of detection etc. are compared, based on pressure gauge 95 to the pressure of the cooling water in the cooling water supply pipe 58b of downstream side The detection that power continue detection is easy.Moreover, the pressure of primary side significantly changes as described above, therefore it is not suitable as The index of the aperture adjustment of cooling water control valve 94.Therefore, use the pressure of the secondary side detected by pressure gauge 95 as cold But the index of the aperture adjustment of water control valve 94, thereby, it is possible to spread the slave cooling water nozzle 85b based on cooling water control valve 94 The control of the spreading amount of the cooling water of cloth is easy.

The invention of above-mentioned several embodiments can also be suitable for asperratio and be in 1: being greater than 1.1 and 1: being less than Rectangular absorption tower outside equal to 6.0 range.

In several embodiments, ship desulfurizer 20 be also equipped with above-mentioned emergency cooling device 87, The exhaust gas of above-mentioned emergency by-pass collar 89 and the temperature for monitoring the exhaust gas from the outlet discharge on absorption tower 30 Device for monitoring temperature.Exhaust gas temperature monitoring device includes temperature sensor.Also, high temperature is detected in exhaust gas temperature monitoring device In the case where, emergency cooling device 87 act and dispense cooling water, and emergency with by-pass collar 89 act and Prevent inflow of the exhaust gas into absorption tower 30.It should be noted that exhaust gas temperature monitoring device can monitor the interior of absorption tower 30 The temperature of the exhaust gas in portion.In this case, it is able to suppress the rising of the temperature in absorption tower 30, therefore can be prevented due to high temperature The case where absorption tower 30 is broken down.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, the water such as cleaning solution or cooling water that ship is used with desulfurizer 20 are added time Asia Salt.In this case, biological attachment can be prevented by adding time The sub-salt, therefore is able to suppress biological corrosion.It needs to illustrate It is that in the desulfurizer on land, boiler condenser etc. uses seawater, does not take the dedicated biological corrosion pair of desulfurizer Plan.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, the outer wall of exhaust gas introduction part 34 is configured to dual structure.In this case, it is absorbing It is easily corroded first with the exhaust gas introduction part 34 of exhaust gas contact or cooling water nozzle 85b in tower 30, even if in exhaust gas introduction part 34 Or in the case that cooling water nozzle 85b has been damaged because of corrosion, it can also prevent exhaust gas to external leakage.Moreover, ship 1 Absorption tower 30 is arranged in the steel plate structure object 6 as locking space, therefore the spillage risk of exhaust gas, can be avoided the danger.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, exhaust gas introduction part 34 has for perceiving the gas caused by corrosion such as lining The leakage sensing device of body leakage or liquid leakage, makes the gas leakage caused by corroding or leakage liquid to the outer of absorption tower 30 Portion's outflow.In this case, the leakage of the gas caused by corroding or liquid leakage of exhaust gas introduction part 34, and energy can be perceived Enough make the external outflow of the gas leakage caused by corroding or leakage liquid to absorption tower 30.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, ship uses desulfurizer 20 to be also equipped with cooling tower as the preceding process on absorption tower 30. In this case, due to having preceding process of the cooling tower as absorption tower 30, heavy metal etc. can be removed in cooling tower Impurity.Also, in several embodiments, cooling tower uses the structure of water circulation type.In this case, it is able to suppress in ship The consumption of water needed for the navigation of oceangoing ship 1.Moreover, in several embodiments, the cooling tower of water circulation type be not using Seawater but use cooling industrial water.In this case, compared with the seawater that may contain not specific impurity, as long as The specific impurity such as removing heavy metals is only removed, therefore can be easy to carry out drainage sunk well.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

(desulphurization system)

In several embodiments, ship desulfurizer 20 be also equipped with from waste gas recovery heat and to desulfurization process after The heat exchanger that is heated of exhaust gas.In several embodiments, heat exchanger includes rotating such as Yong Gesi Te Luomushi The heat exchanger of formula or fixed heat exchanger.In other several embodiments, heat exchanger includes gas-gas heater (GGH).That is, heat exchanger include from the heat regenerator of waste gas recovery heat and the heat by being transmitted from heat regenerator to exhaust gas into The reheater of row heating.

According to above-mentioned structure, the exhaust gas after desulfurization process can be heated, therefore can prevented by heat exchanger The white cigarette of exhaust gas, and can be improved the diffusivity of exhaust gas.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, ship 1 is equipped with the circulating No leakage gas-gas heater of thermal medium.Such case Under, by No leakage gas-gas heater can from by engine room 10 sustainer 12 or the discharge such as assisted engine 14 Exhaust gas in carry out recuperation of heat.Also, recycling heat is used to carry out heating to the steam used in ship 1 or be used to heat etc. Heat resource equipment, so as to realize the reduction of fuel used in ship 1.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, the flange at the piping joint portion of ship desulfurizer 20 is coordinated to reduce.This feelings Under condition, it is able to achieve the efficient activity of the joining process of piping.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, can pass through in the utensil such as piping or component of ship desulfurizer 20 Be fixedly welded on absorption tower 30 or waste heat recovery plant 60 utensil or component in crane etc. to before the transport operation of ship 1 It is fixed in advance when process, that is, aftermentioned prefabrication and assembly construction.In this case, utensil or component when can prevent from carrying to ship 1 The case where positional shift.Moreover, the assembling operation in ship 1 can be reduced, thus be able to achieve ship desulfurizer 20 to The efficient activity of the installation exercise of ship 1.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, ship is made of resin piping with the piping in desulfurizer 20, and end is able to carry out Connection based on bellmouth.Moreover, in several embodiments, piping in ship desulfurizer 20 and piping is connected each other The bellmouth circumvolution connect has resin material.In this case, it can be improved the corrosion resistance of piping, bellmouth.Moreover, several In embodiment, it is piped such position being piped the mutual in-site installation that is connected to become, is held to make to be piped mutual contraposition Easily it is piped using rubber system.In this case, it is piped mutual contraposition to be easy, therefore is able to achieve the effect of the setting operation of piping Rate.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, so that boat bottom is generated bubble and make to generate bubble in seawater.In this case, pass through Bubble can reduce the ship resistance of ship 1.Moreover, by making bubble, alow Drainage Division is nearby generated, and can be made from ship The pH value for the draining being overboard discharged with desulfurizer 20 rises.Here, the row being overboard discharged from ship with desulfurizer 20 Water is diluted and the sea water mixing with outboard, compared with the draining after being just discharged from ship with desulfurizer 20, in pH value It rises to a certain degree.Also, pH value rise it is a degree of draining with from ship desulfurizer 20 just discharge after draining It compares, the decarburization acid based on bubble can be promoted to handle, therefore can significantly increase pH value.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

(desulfurizing tower construction from part)

For example, the desulfurizer for being set to the land in power plant is assembled by block method or plate method.However, ship Since the aspect ratio for water tower is sometimes different, assembling is not easy to desulfurizer.Also, in the de- of setting ship If the ship over-assemble of sulphur device, restricted since the working space on ship, activity duration exist, and unrealistic.Cause This, the assembling of the desulfurizer of ship needs the assembling operation for carrying out land, hangs in operation, setting on ship to ship Set these three operations of operation.Also, in order to reduce the activity duration on ship, need to cut down the setting operation on ship.Moreover, The desulfurizer of ship using crane etc. to ship due to being hung in, it is therefore desirable to can safely install such structure.

In several embodiments, absorption tower 30 is prefabrication and assembly construction in the assembling place forming such as nearest factory or vacant lot The absorption tower 30 of above-mentioned prefabrication and assembly construction shape is suspended in midair and is carried using crane etc., is thus arranged on ship 1 by shape.It is this In the case of, absorption tower 30 can be reduced on ship 1 due to being formed as prefabrication and assembly construction shape before being set on ship 1 Operation is set, the activity duration on ship 1 can be reduced.

The invention of present embodiment can also be suitable for asperratio be in 1: greater than 1.1 and 1: less than equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, absorption tower 30 configures the wall surface for constituting absorption tower 30 with around absorption tower 30 Piping integrally fix.In this case, it since the wall surface on absorption tower 30 is integrally fixed with piping, is piped and is easy to protect Water holding Pingdu.Moreover, absorption tower 30, since wall surface and piping are integrally fixed, setting operation is easy, setting can be shortened The activity duration that operation is spent.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, absorption tower 30 is assembled by block method.That is, absorption tower 30 is several according to slice etc. The part of stratiform manufacture, the part of each stratiform is stacked and part is connected to each other and complete.In this case, it absorbs Tower 30 due to by the part of each stratiform is stacked and by part it is connected to each other and completes, can be shortened the work for assembling place The industry time.It should be noted that block method transport trouble and cost time compared with plate method.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, absorption tower 30 is assembled by plate method.That is, the wall surface on absorption tower 30, bottom surface etc. It is made of tabular component (plate), is completed and installing above-mentioned tabular component in column or beam etc..In this case, absorption tower 30 Be made of tabular component, column, beam etc., as long as therefore these tabular components, column, beam etc. are transported to the place of assembling, because This can be easy the transport for constitute the component on absorption tower 30.It should be noted that plate method assembled compared with block method The operation in place increases.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, at least one major part of ship desulfurizer 20 is modular.This feelings Under condition, since at least one major part is modular, ship desulfurizer 20 can shorten the operation in assembling place Time.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, absorption tower 30 is configured to support oneself.Also, above-mentioned sprinkler pipe (including lengthwise Direction sprinkler pipe 38a1, width direction sprinkler pipe 38b1, sprinkler pipe 85a) it is inserted in the absorption tower 30 of self-support and is arranged and is absorbing The inside of tower 30.In addition, above-mentioned filler 35A is also inserted into and the inside on absorption tower 30 is arranged in the absorption tower of self-support 30. In this case, it since absorption tower 30 is configured to support oneself, can be easy be inserted into simultaneously to the inside on absorption tower 30 The case where configuring above-mentioned sprinkler pipe or filler 35A.Such absorption tower 30 can shorten the activity duration in assembling place.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, above-mentioned longitudinally sprinkler pipe 38a1 is between width direction of inner space 31 etc. Be arranged every ground multiple, multiple longitudinally sprinkler pipe 38a1 are each configured to zigzag, and with adjacent longitudinally sprinkler pipe 38a1 is configured in the different mode of mutual height and position.

In other several embodiments, lengthwise side of the above-mentioned width direction sprinkler pipe 38b1 along inner space 31 Multiple to being equally spaced, multiple width direction sprinkler pipe 38b1 are each configured to zigzag, and with adjacent width direction Sprinkler pipe 38b1 is configured in the different mode of mutual height and position.

In other several embodiments, above-mentioned sprinkler pipe 85a is equally spaced in exhaust gas introduction part 34 Multiple, multiple sprinkler pipe 85a are each configured to zigzag, and different with mutual height and position from adjacent sprinkler pipe 85a Mode configures.

In these cases, cleaning solution or cooling water can be equably supplied, therefore the part of deployment capabilities can be reduced Property it is biased.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, Water spray nozzle 38a2 becomes without using bolt etc. with longitudinally sprinkler pipe 38a1 Integral structure.

In other several embodiments, Water spray nozzle 38b2 without using bolt etc. and with width direction sprinkler pipe 38b1 being integrally formed structure.

In other several embodiments, cooling water nozzle 85b becomes one with sprinkler pipe 85a without using bolt etc. Body structure.

In these cases, by making Water spray nozzle be integrated with sprinkler pipe, it is able to achieve high intensity.It needs Bright, sea water desulfuration can make Water spray nozzle be integrated with sprinkler pipe due to the worry not blocked.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

(setting method on ship)

For example, be set to the desulfurizer on the land in power plant in setting place by block method or plate method come group Dress.However, the desulfurizer of ship, since the aspect ratio for water tower is sometimes different, assembling is not easy to.Also, it is setting If the ship over-assemble for setting the desulfurizer of ship, restricted since the working space on ship, activity duration exist, simultaneously It is unrealistic.The operation that therefore, it is necessary to be hung in using crane etc. to ship after land assembles desulfurizer.Also, Reinforcement the etc. when desulfurizer of ship is needed the intensity for the operation for being resistant to be hung in using crane etc. to ship or hung in. Moreover, the desulfurizer of ship is in the operation hung in using crane etc. to ship in the presence of the deformation for water tower or for water tower A possibility that removing etc. of internal lining.

In several embodiments, absorption tower 30 is delivered goods with the state for being installed on the one of inner part in advance.Therefore, it inhales Receiving tower 30 can directly install in shipyard to ship 1 in the state of above-mentioned one.Moreover, the energy in maintenance of absorption tower 30 Enough state replacements with above-mentioned one, therefore the time that maintenance operation is spent can be shortened.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

Figure 21 is the absorption tower and steel plate structure object for illustrating the ship desulfurizer of one embodiment of the present invention Fixation figure.Figure 22 is for the absorption tower for illustrating the ship desulfurizer of one embodiment of the present invention and steel plate structure The figure of the setting on ship of object.In several embodiments, absorption tower 30 and exhaust gas gatherer 40 are in land group Dress, as shown in figure 21, absorption tower 30 and exhaust gas gatherer 40 are firmly fixed at absorption tower 30 and exhaust gas gatherer The steel plate structure object 6 surrounded around 40.Then, as shown in figure 22, absorption tower 30 and exhaust gas gatherer 40 and steel plate structure Object 6 together by suspentions such as cranes and placing is on ship 1, to be set to ship 1 together with steel plate structure object 6.It needs Bright, steel plate structure object 6 can only cover absorption tower 30.Moreover, steel plate structure object 6 can by waste heat recovery plant 60 or on The heat exchanger stated etc. it is fixed with the associated device of desulfurization process of exhaust gas, piping, wiring etc..

According to above-mentioned structure, absorption tower 30 and exhaust gas gatherer 40 and steel plate structure object 6 are hanged by crane etc. together It hangs, therefore the deformation on absorption tower 30 and exhaust gas gatherer 40 can be prevented in suspention or when mounting on ship 1, and It can prevent the removing of the lining inside absorption tower 30.

The invention of present embodiment can also be suitable for asperratio be in 1: greater than 1.1 and 1: less than equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, as shown in figure 21, steel plate structure object 6 has configuration in steel plate structure object 6, is used for The fixing component 91 of the fixation of absorption tower 30 and exhaust gas gatherer 40 and steel plate structure object 6.As shown in figure 21, fixing component 91 Include: a pair of of the long side wall surface being respectively relative to positioned at the both ends side in the width direction of steel plate structure object 6 and extends parallel to Prism-shaped longitudinally fixing component 91A；It is respectively relative to the both ends side of the longitudinally positioned at steel plate structure object 6 A pair of short edges wall surface and the width direction fixing component 91B of prism-shaped extended parallel to.Longitudinally fixing component 91A and cross Steel plate structure object 6 is fixed on respectively in both ends by wide direction fixing component 91B, and by length middle part be fixed on absorption tower 30 or Exhaust gas gatherer 40.It should be noted that several of longitudinally fixing component 91A and width direction fixing component 91B The piping connecting with absorption tower 30 or exhaust gas gatherer 40 can be fixed on.In this case, steel plate structure object 6 can be secured Ground is fixed on absorption tower 30 and exhaust gas gatherer 40.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, absorption tower 30 is assembled by the following method and is set to ship 1.That is, in land Absorption tower 30 is assembled by block method or plate method on the ground.Absorption tower 30 is configured to support oneself.Assembling absorption tower After 30, the adjuncts such as above-mentioned sprinkler pipe or above-mentioned filler 35A are set in absorption tower 30.Be provided with adjunct it Afterwards, above-mentioned steel plate structure object 6 is covered, absorption tower 30 and steel plate structure object 6 are firmly fixed.Then, in steel plate structure object 6 Interior setting waits the piping of connections with absorption tower 30.In steel plate structure object 6 when being provided with, be moved to steel plate structure object 6 The ship side of ship 1, is suspended in midair steel plate structure object 6 using crane etc. and placing is set to ship 1.

Absorption tower 30 is assembled in land according to above-mentioned structure, and attached into the installation absorption tower 30 of absorption tower 30 Piping in object, steel plate structure object 6.Due to carrying out the installation of adjunct, piping, energy before covering steel plate structure object 6 It is enough widely to ensure operating area.Such as advantageous from the operation that the outside on absorption tower 30 is put into spraying piping.Also, due to Absorption tower 30 and steel plate structure object 6 are firmly fixed in land, therefore the operation aboard ship carried out can be reduced.Moreover, Absorption tower 30 is suspended in midair by crane etc. with the state being fixed in steel plate structure object 6 with steel plate structure object 6 together, therefore is being suspended in midair When or steel plate structure object 6 can be efficiently used when mounting on ship 1 as reinforcer, the change on absorption tower 30 can be prevented Shape.Moreover, the removing of the lining inside absorption tower 30 or falling off for the piping in steel plate structure object 6 can be prevented.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, absorption tower 30 is assembled by the following method and is set to ship 1.That is, land Assembling place in, first be arranged steel plate structure object 6, in steel plate structure object 6 assemble absorption tower 30.It should be noted that in steel Sometimes weather proof maintenance platform is also provided in plate works 6.

According to above-mentioned structure, in land, absorption tower 30 is assembled in steel plate structure object 6, therefore can be avoided absorption Tower 30 can not be accommodated in the state of affairs in steel plate structure object 6.Moreover, by the way that steel plate structure object 6 is fixed on absorption tower 30, even The structure that absorption tower 30 can not support oneself can also install the adjunct in absorption tower 30 to absorption tower 30.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

In several embodiments, absorption tower 30 is assembled by the following method and is set to ship 1.That is, making to inhale It receives tower 30 to be integrated with steel plate structure object 6, absorption tower 30 and steel plate structure object 6 pass through the part according to several stratiforms such as slices It manufactures, the part of each stratiform is stacked and part is connected to each other and complete.

According to above-mentioned structure, in land, absorption tower 30 and steel plate structure object 6 are integrally assembled by block method, Therefore it can shorten the activity duration in assembling place.Moreover, even if absorption tower 30 is the structure that can not be supported oneself, it also can be to absorption Tower 30 installs the adjunct in absorption tower 30.Also, due in land that absorption tower 30 and steel plate structure object 6 is integrally solid It is fixed, therefore the operation aboard ship carried out can be reduced.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower outside range.

(control, drive manner, seawater adjustment)

Ship 1 under sail due to sea area of meteorological condition or navigation etc. and riving condition may change.Moreover, ship 1 preferably avoids consuming extra electric power under sail.

Figure 20 is for the cleaning solution supplying pipeline for illustrating the ship desulfurizer of one embodiment of the present invention and side The figure of stylet.As shown in figure 20, in several embodiments, above-mentioned ship desulfurizer 20 has: above-mentioned packet The absorption tower 30 in portion containing absorbent tower body 32；Above-mentioned dispensing device 38；And cleaning solution can be dispensed for dispensing device 38 Cleaning solution supplying device 96.

Also, as shown in figure 20, cleaning solution supplying device 96 includes cleaning solution supplying pipeline 97A, is used to fill to spreading Set 38 supply cleaning solutions；Bypass line 97B, from cleaning solution supplying pipeline 97A at branch point TP2 branch, for accumulation The above-mentioned storage space 31a for the cleaning solution dispensed that exhaust gas for being directed into inner space 31 has dispensed supplies cleaning Liquid；And control valve 98, it is set to bypass line 97B, and the confession of the cleaning solution flowed in bypass line 98B can be controlled To amount.

In the illustrated embodiment, cleaning solution supplying device 96 is from for supplying seawater to dispensing device 38 as clear The above-mentioned sea water supply device 50 of washing lotion is constituted.Moreover, cleaning solution supplying pipeline 97A is made of sea water supply pipe 58, bypass Pipeline 97B is made of isocon 58c.Isocon 58c is being set to the sprinkler pipe 38c1 of sea water supply pump 54a and dispensing device 38 At the branch point TP2 of the sea water supply pipe 58 of connection, one end is connected to sea water supply pipe 58, and the other end is connected to absorption tower 30 Storage space 31a (inner space 31).Therefore, a part of the cleaning solution (seawater) flowed in sea water supply pipe 58 is by dividing Flow tube 58c is flowed into storage space 31a.It should be noted that in other implementations, cleaning solution supplying device 96 can be with The water other than seawater is supplied to dispensing device 38 as cleaning solution.

For example, desired desulfurization performance is different in discharge confined waters (sea area ECA) and general sea area, therefore to spreading The aequum for the cleaning solution that device 38 supplies is also different.In the amount of the cleaning solution supplied to dispensing device 38 the feelings fewer than aequum Under condition, required desulfurization effect may be cannot get.Moreover, the cleaning solution supplied to dispensing device 38 amount more than aequum In the case of, the pressure loss of exhaust gas may increase.As for keeping the amount of the cleaning solution supplied to dispensing device 38 suitable Countermeasure, it is contemplated that control valve is set in the cleaning solution supplying pipeline 97A for supplying cleaning solution to dispensing device 38, passes through the control The case where supply amount for the cleaning solution that valve control processed is flowed in cleaning solution supplying pipeline 97A.However, constituting cleaning solution supplying pipe The pipeline of line 97A is big due to diameter, it is thus possible to will lead to be set to the control valve of cleaning solution supplying pipeline 97A enlargement, Great number.Moreover, in the big cleaning solution supplying pipeline 97A of the diameter of pipeline, it is difficult to control the supply amount of cleaning solution.

According to above-mentioned structure, cleaning solution supplying device 96 is controlled by being set to the control valve 98 of bypass line 97B The supply amount of the cleaning solution flowed in bypass line 97B, thus, it is possible to be indirectly controlled to flow in cleaning solution supplying pipeline 97A The supply amount of dynamic cleaning solution.At this point, constituting the pipeline (isocon 58c) of bypass line 97B and constituting cleaning solution supplying pipeline The pipeline (sea water supply pipe 58) of 97A is compared and can be reduced the diameter, therefore in the control valve 98 of bypass line 97B setting and is assumed The control valve for being set to cleaning solution supplying pipeline 97A is compared, and miniaturization, low volume are able to achieve.Moreover, bypass line 97B and clear Washing lotion supply pipeline 97A is compared, and the control of the supply amount of cleaning solution is easy.

In several embodiments, in the branch point TP2 of the ratio bypass line 97B branch of cleaning solution supplying pipeline 97A Flowmeter 99 (flow detector) is arranged in the position of downstream (38 side of dispensing device).Flowmeter 99, which can measure, to be cleaned The flow (volume flow) of the cleaning solution of the position flowing of the ratio branch point TP2 downstream of liquid supply pipeline 97A.Above-mentioned control Valve 98 processed is configured to adjust aperture in a manner of making the flow detected by flowmeter 99 be in prescribed limit.In this case, will Desired amount of cleaning solution is supplied to dispensing device 38, therefore can obtain required desulfurization effect, and be able to suppress exhaust gas The increase of the pressure loss.It should be noted that in other implementations can by the flow velocity detected by current meter multiplied by Sectional area and detection flows indirectly.That is, above-mentioned flow detector includes current meter.Moreover, branch point TP2 can be located at Than the position of above-mentioned branch point TP1 on the upstream side, the position than branch point TP1 downstream can also be located at.

The invention of above-mentioned several embodiments can also be suitable for asperratio and be in 1: being greater than 1.1 and 1: being less than Rectangular absorption tower outside equal to 6.0 range.

In several embodiments, ship 1 is also equipped with for the equal devices in absorption tower 30 to ship desulfurizer 20 Or the control device that equipment is controlled.Control device be can in ship 1 device or the electronics control that is controlled of equipment Unit processed.For example, control device may be constructed as by central processing unit (CPU), random access memory comprising processor (RAM), the microcomputer of the compositions such as read-only memory (ROM) and I/O interface.

In several embodiments, above-mentioned control device carry out the operating number of above-mentioned Water spray nozzle control or Pump the control of operating number.It should be noted that operating pair can also be selected to according to the position of above-mentioned Water spray nozzle The Water spray nozzle of elephant.In this case, it is able to suppress the power consumption of ship 1.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, above-mentioned control device is adjusted for example, by the aperture that movable vane type pumps or pump Operating number controls to be adjusted the control of the supply amount to the cleaning solution or cooling water of above-mentioned Water spray nozzle.This feelings Under condition, it is able to suppress the power consumption of ship 1.

The invention of present embodiment can also be suitable for asperratio be in 1: greater than 1.1 and 1: less than equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, above-mentioned control device comes according to the SO2 concentration for the exhaust gas being discharged from absorption tower 30 The control and the above-mentioned adjustment based on aperture adjustment for carrying out the control of the operating number of above-mentioned Water spray nozzle, pumping operating number At least one party into the control of the supply amount of Water spray nozzle.In this case, it is able to carry out and the exhaust gas based on absorption tower 30 The corresponding control of processing capacity, therefore the power consumption of ship 1 can be effectively inhibited.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, above-mentioned control device imported into craft body 2 according to by sea water supply pump 54a Inside seawater pH value or basicity etc. character, carry out the operating number of above-mentioned Water spray nozzle control and above-mentioned base In at least one party of the adjustment that aperture adjusts into the control of the supply amount of Water spray nozzle.In this case, it is able to carry out and takes The corresponding control of the character of the seawater of water, therefore the power consumption of ship 1 can be effectively inhibited.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, above-mentioned control device by the output of ship 1, by 30 desulfurization process of absorption tower it SO2 concentration, the S ingredient in fuel, the SO2 concentration combination or list by the exhaust gas after 30 desulfurization process of absorption tower of preceding exhaust gas The control of the operating number of above-mentioned Water spray nozzle solely is carried out according to the operating load to grasp the operating load on absorption tower 30 At least one party of system and the above-mentioned adjustment based on aperture adjustment into the control of the supply amount of Water spray nozzle.In this case, It is able to carry out control corresponding with the operating load on absorption tower 30, therefore the power consumption of ship 1 can be effectively inhibited.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, the operational situation for occlusion or sea water supply pump 54a to Water spray nozzle is carried out The pressure gauge of monitoring is installed on the header portion of above-mentioned Water spray nozzle.In this case, watering spray can be monitored by pressure gauge The operational situation of the occlusion of mouth or sea water supply pump 54a, therefore above-mentioned control device can efficiently control ship desulfurization Device 20.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, drainpipe 56 or seawater discharge pipe 59 are equipped with for always (washing to desulfurization draining Draining after washing draining, dilution) the analysis meter that is observed of the character such as pH value or desulfurization degree.In this case, pass through Analysis meter can always observe the character of desulfurization draining, therefore above-mentioned control device can efficiently control ship and be filled with desulfurization Set 20.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, even if above-mentioned control device is with the platform on the absorption tower 30 cleaned to exhaust gas The load on several, each absorption tower 30 and the S composition variations of fuel oil can also make the pH value and desulfurization degree that drain for desulfurization meet rule The mode of sea water pump (sea water supply pump 54a, draining dilution pumps 52a) movement of minimum number of units needed for fixed condition is controlled System.In this case, due to acting the sea water pump of required minimum number of units, the electric power of ship 1 can be effectively inhibited Consumption.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, the control of ship desulfurizer 20 below is carried out by above-mentioned control device Method.That is, by the S ingredient of fuel oil, the load of engine, the concentration of seawater of each region, the drinking water that changes by Weight Loaded Seawater amount needed for the various combinations of this four projects carries out data base system in advance, by above-mentioned control device, based on above-mentioned Database and utilize feedforward control, the device or utensil carried out into the ship 1 on absorption tower 30 etc. supply suitable seawater Control method.In this case, due to supplying suitable seawater using feedforward control, ship 1 can be effectively inhibited Power consumption.

The invention of present embodiment can also be suitable for asperratio be in 1: greater than 1.1 and 1: less than equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, the control of ship desulfurizer 20 below is carried out by above-mentioned control device Method.That is, the SO2 for the exhaust gas that the pH value or sulfurous acid concentration of the Drainage Division of detection ship 1 or detection are discharged from absorption tower 30 Concentration based on above-mentioned pH value or sulfurous acid concentration and is utilized feedback control, is carried out to absorption tower by above-mentioned control device Device or utensil in 30 equal ships 1 supply the control method of suitable seawater.In this case, due to utilizing feedback control It supplies suitable seawater, therefore the power consumption of ship 1 can be effectively inhibited.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

It, can as the analysis method that the sulfurous acid concentration in draining to desulfurization is monitored in several embodiments Use following method: a part by desulfurization draining is continuously supplied to the removable flask of blender on one side, on one side to The removable flask continuously adds a certain amount of acid, using infrared SO2 meter (ultrared gas analyzer) measurement at this time from sulfurous The gas concentration for the sulfur dioxide (SO2) that acid is shifted to gas phase.In this case, the sulfurous acid concentration in capable of being drained to desulfurization It is monitored, above-mentioned control device can be for the sulfurous acid concentration pair in the progress such as above-mentioned Water spray nozzle and desulfurization draining The control answered.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1: 1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, above-mentioned control device by carry out pump unit number control, movable vane aperture control and At least one of VVVF inverter revolving speed control and carry out the control of seawater amount.In this case, can make to absorption tower 30 The amount of the seawater of equal supplies is appropriate.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

(maintenance method, structure)

Ship desulfurizer 20 makes whole engines comprising sustainer 12 and assisted engine 14 on ship 1 Waste gas ingress pipe set and put into absorption tower 30, therefore at least one of exhaust gas baffle keeps the exhaust gas of high temperature (useless to primary side The upstream side of gas baffle) flowing.Therefore, maintenance is then engaged in just in case exhaust gas is sewed from exhaust gas baffle in the maintenance on absorption tower 30 The operator of operation can be potentially encountered danger.Moreover, ship 1 needs to make sustainer 12 and auxiliary engine in advance in maintenance At least one operating in machine 14, can not make sustainer 12 and assisted engine 14 wholly off, exhaust gas can not be prevented by existing The such situation of discharge.

In several embodiments, exhaust gas baffle tandem that ship will be arranged with desulfurizer 20 at least one position Configuration two, puts into compressed air between these exhaust gas baffles.In this case, exhaust gas baffle tandem configures two, to these Put into compressed air between exhaust gas baffle and carry out sealing gland, thus be reliably prevented from exhaust gas by between exhaust gas baffle to another party The case where flowing.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, at least one exhaust gas baffle of ship desulfurizer 20 includes the closure of suitching type Flange.In this case, due to the closure flange that exhaust gas baffle includes suitching type, exhaust gas is reliably prevented from by giving up The case where being flowed between gas baffle to another party.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, at least one exhaust gas baffle of ship desulfurizer 20 includes guillotine type baffle (bar gate type baffle).Although being electronic and spending the time here, guillotine type baffle is open, closing is a flash.It needs to illustrate , can be multiple exhaust gas baffles and separately include guillotine type baffle, such as can be and being closed to circular channel Guillotine type baffle.In this case, since exhaust gas baffle includes guillotine type baffle, exhaust gas is reliably prevented from by giving up The case where being flowed between gas baffle to another party.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, ship desulfurizer 20 is also equipped in maintenance in order to avoid exhaust gas passes through exhaust gas Baffle and maintenance when for exhaust gas flowing bypass flow path.In this case, in maintenance exhaust gas be not flow through exhaust gas baffle and It is to be flowed in bypass flow path, therefore the case where can prevent the operator for being engaged in upkeep operation from facing a danger.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

In several embodiments, at least one exhaust gas baffle of ship desulfurizer 20 includes guillotine type baffle. Also, in maintenance, make at least one operating in sustainer 12 and assisted engine 14, by the sustainer with operating 12, the corresponding guillotine type flapper closure of assisted engine 14.In this case, due to sustainer 12, the auxiliary hair with operating The corresponding guillotine type flapper closure of motivation 14, therefore the case where can prevent the operator for being engaged in upkeep operation from facing a danger.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

(being connected to the exhaust flow path of desulfurizing tower)

Absorption tower 30 occupies certain range in steel plate structure object 6, consequently, it can happen matching in steel plate structure object 6 The processing operation of pipe is difficult or the processing that can not be piped.

In above-mentioned several embodiments, as shown in Figure 3,4, for by from the exhaust gas that assisted engine 14 is discharged to The subsidiary engine that absorbent tower body portion 32 guides is connected to waste gas ingress pipe 42 with waste gas ingress pipe 44a~44d.In several embodiment party In formula, above-mentioned subsidiary engine is connected to the sidewall 34 c of the other end side 34b of exhaust gas introduction part 34 with waste gas ingress pipe 44c, 44d (referring to aftermentioned Figure 23) directly guides exhaust gas to exhaust gas introduction part 34.It should be noted that above-mentioned subsidiary engine is imported with exhaust gas Pipe 44a, 44b also can connect in the sidewall 34 c of the other end side 34b of exhaust gas introduction part 34.In this case, subsidiary engine is used useless The freedom degree of the link position of gas ingress pipe 44a~44d improves, therefore can use in the easy position connection subsidiary engine of processing operation Waste gas ingress pipe 44a~44d.Moreover, the length dimension for being able to suppress subsidiary engine waste gas ingress pipe 44a~44d becomes larger.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

Figure 23 is for the absorption tower for illustrating the ship desulfurizer of one embodiment of the present invention and waste gas ingress pipe Connection figure.As shown in figure 23, in several embodiments, above-mentioned subsidiary engine is connected to waste gas ingress pipe 44c, 44d The side wall 32e of the side opposite with the connection side of exhaust gas introduction part 34 in absorbent tower body portion 32, to absorbent tower body portion 32 Inner space 31 directly guide exhaust gas.It should be noted that above-mentioned subsidiary engine also can connect with waste gas ingress pipe 44a, 44b In side wall 32e, above-mentioned subsidiary engine with waste gas ingress pipe 44a~44d also can connect in absorbent tower body portion 32 with connect it is useless The adjacent side wall 32f of the side wall of the side of gas introduction part 34.In this case, the connection of subsidiary engine waste gas ingress pipe 44a~44d The freedom degree of position improves, therefore can connect subsidiary engine waste gas ingress pipe 44a~44d in the easy position of processing operation.And And the length dimension for being able to suppress subsidiary engine waste gas ingress pipe 44a~44d increases.

The invention of present embodiment can also be suitable for asperratio and be in 1: be greater than 1.1 and 1: less than or equal to 6.0 Rectangular absorption tower or circular absorption tower outside range.

Structure in above-mentioned several embodiments although the description of the setting of exhaust gas inlet 33 1, but exhaust gas Introducing port 33 also can be set multiple.Here, Figure 24 is the ship desulfurizer for illustrating one embodiment of the present invention The figure that is connect with waste gas ingress pipe of absorption tower, Figure 24 (a) is approximate vertical view, and Figure 24 (b) is general principal view.Such as Figure 24 (a), shown in (b), exhaust gas inlet 33 can be arranged in the two sides on absorption tower 30.In this case, especially in ruler in length and breadth It is very little than being 1: in the rectangular absorption tower 30 less than or equal to 1.1, steel plate structure object 6 entire width be arranged absorption tower 30 when, The side that waste gas ingress pipe does not need around absorption tower 30, does not need the processing of generator exhaust gas entrance.

Figure 25 and Figure 26 shows the one-piece type desulfurizer 100 of shell of an embodiment.Figure 25 shows shell is one-piece type The state that desulfurizer 100 is suspended in midair when being packed into the hull construction of ship 1 using crane 108, Figure 26 is shown to be started aftermentioned The state of the top mounting of casing body 106.

As shown in Figure 25 and Figure 26, the one-piece type desulfurizer 100 of shell has: forming a part of the hull construction of ship Shell 102；And the absorption tower 104 supported by shell 102.Absorption tower 104 is for from the sustainer 12 for being equipped on ship Or the exhaust gas of the equal exhaust producing devices discharge of assisted engine 14 carries out desulfurization.

It is independent from hull construction as one of the machine for being equipped on ship that previous ship, which uses desulfurizer, Device.

In contrast, the one-piece type desulfurizer 100 of shell, which before the carrying to ship, becomes, is forming the one of hull construction Partial shell 102 has been supported with the state on absorption tower 104.The one-piece type desulfurizer 100 of the shell is aboard ship by shell 102 It is connect with other hull constructions of ship.

According to above structure, to a part for the formation hull construction of shell 102 that absorption tower 104 is supported, therefore Additional gap or the stiffener for the purpose of the vibrationproof on absorption tower 104, anti-shake are not needed around absorption tower 104.Cause This, the mounting structure on absorption tower 104 being capable of densification.

In one embodiment, as shown in Figure 25 and Figure 26, absorption tower 104 is connected to by welding by absorption tower 104 Periphery surround shell 102, be integrally formed with shell 102.

According to this structure, absorption tower 104 is connected to the shell 102 for surrounding the periphery on absorption tower 104 by welding, because This power applied from absorption tower 104 to shell 102 is to dispersing around shell 102.Concentrated on absorption tower 104 originally as a result, The load on the absorption tower 104 of base portion is dispersed to shell 102, therefore can be realized the densification of the supporting structure on absorption tower 104.

In one embodiment, as shown in figure 26, the one-piece type desulfurizer 100 of shell is configured at when being equipped on ship The top of motor body 106.Absorption tower 104 is supported by shell 102 from surrounding, does not need to support absorption tower 104 from below Supporting part, therefore gap s1 is formed on absorption tower 104 and between the motor body 106 of the lower section on absorption tower 104.

According to the embodiment, the supporting part for supporting absorption tower 104 from below is not needed, is capable of forming gap s1, therefore With that can configure the liquid pipe that the absorbing liquid for supplying the inside in motor body 106 to accommodate flows in gap s1, (seawater is supplied To pipe, seawater discharge pipe), the exhaust gas being discharged from exhaust producing devices such as sustainers matched to the exhaust gas that absorption tower 104 imports Pipe etc. matches the advantages of tubing.

In one embodiment, shell 102 is made of the general shell material of steel etc., and the exhaust gas on absorption tower 104 connects Contact portion is made of the stainless steel of corrosion resistance or alloy etc..

In one embodiment, about one-piece type desulfurizer structure, vibration analysis is carried out, is set as avoiding and host or spiral shell The design structure that the eigentone of rotation paddle resonates.

In one embodiment, in order to avoid the intrinsic vibration frequency with sustainer 12 or propulsion propeller (not shown) The resonance of rate and upper area R in shell 102₁Prepare dashpot installation space.Moreover, the installation space on absorption tower 104 Adjacent region R₂It, can be in region R when idle₂The auxiliary device on absorption tower 104 is set and with tubing.

In one embodiment, shell 102 is along the length ratio of the width direction (direction arrow a in Figure 25) of ship along ship The length in the front-back direction of oceangoing ship forms greatly.

According to the embodiment, since the longitudinally of shell 102 is configured along the width direction of ship 1, by shell The longitudinally on the absorption tower 104 of 102 bearings is configured along the width direction of ship, is had with the bow along ship-stern direction The absorption tower of longitudinally is compared, and the bending stress that absorption tower 104 is acted in rolling (inclination) of ship can be reduced.Cause This, is capable of forming the absorption tower to have high resistance for rolling.

In one embodiment, as shown in Figure 25 and Figure 26, shell 102 is formed as width direction of the longitudinally along ship The long tubular of configuration, and configured axially along vertical direction.Absorption tower 104 is supported on the periphery encirclement on absorption tower 104 as a result, Shell 102, therefore the power applied from absorption tower 104 to shell 102 is to dispersing around shell 102.Therefore, it concentrates on and inhales originally The load for receiving the absorption tower 104 of the base portion of tower 104 is dispersed to shell 102, therefore can be realized the supporting structure on absorption tower 104 Densification.

It should be noted that in Figure 25 and Figure 26, in order to shell 102 visualization and remove the nearby side of shell 102 Wall shown.

As shown in Figure 25 and Figure 26, the ship 1 of an embodiment has the one-piece type desulfurizer 100 of shell, passes through shell One-piece type desulfurizer 100 forms a part of hull construction.

According to this structure, the one-piece type desulfurizer 100 of shell is formed as a part of hull construction, therefore on absorption tower Additional gap or the stiffener for the purpose of the vibrationproof on absorption tower 104, anti-shake are not needed around 104.Therefore, can Realize the densification of the mounting structure on absorption tower 104.

In one embodiment, as shown in Figure 25 and Figure 26, hull construction includes being located at the one-piece type desulfurizer 100 of shell Shell 102 lower section motor body 106, the lower end of the shell wall 110 of shell 106 is connected to engine by welding Shell 106.

According to this structure, absorption tower 104 is supported by the shell 102 of a part of the hull construction of formation ship 1, therefore shell Body 102 can be configured easily in the top of the motor body 106 as identical hull construction.Moreover, because bearing absorbs The shell 102 of tower 104 is close at a distance from motor body 106, therefore can shorten will be from the master for being contained in motor body 106 The length for the exhaust gas piping that the exhaust gas of engine discharge is imported to absorption tower 104.

In one embodiment, as shown in Figure 25 and Figure 26, by the shell wall 110 in shell 102 medial surface vertically The rib 112 of direction setting or be set up in mutually opposed configuration shell wall 110 reinforcer 114 (referring to Figure 27) formed first plus Strong component forms the second stiffener by the rib 118 or reinforcer 120 that are arranged in motor body 106, the first stiffener with The position consistency of second stiffener.That is, rib 112 or reinforcer 114 are positioned on rib 118 or reinforcer 120, by rib 118 or Reinforcer 120 supports.

In one embodiment, as shown in figure 27, reinforcer 114 is set up in the mutually opposed shell wall 110 of shell 102 Between.Reinforcer 120 is set up in outer on the inside of such as upper area of the mutually opposed shell wall 116 of motor body 106 Between shell wall 110.For the rib 118 for being set to motor body 106, it is disposed with multiple ribs 118.

According to the embodiment, from up and down direction, the position consistency of the first stiffener and the second stiffener, because This can be improved motor body 106 for support absorption tower 104 shell 102 bearing strength, being capable of stable support shell 102。

In one embodiment, as shown in figure 25, in the lowest part of shell 102, make to constitute in the rib 112 of shell wall 110 Specific rib 112a and 112b (referring to Figure 25) inclination, thus with the rib of the second stiffener of composition of motor body 106 118 or reinforcer 120 position consistency.Thereby, it is possible to improve motor body 106 to the bearing strength of shell 102.

In one embodiment, reinforcer 114 shown in Figure 27 can also be made to tilt and with constitute the second stiffener The position consistency of rib 118 or reinforcer 120.Thereby, it is possible to improve motor body 106 to the bearing strength of shell 102.

In one embodiment, as shown in figure 28, in the state that the one-piece type desulfurizer 100 of shell is equipped on ship 1, Absorption tower 104 is located at the top of the exhaust gas piping 122 of the exhaust producing devices such as sustainer 12 or assisted engine 14.

According to the embodiment, absorption tower 104 is located at the top of the exhaust gas piping 122 of exhaust producing device, therefore can Shorten the length for the exhaust gas piping 122 for importing the exhaust gas being discharged from exhaust producing device to absorption tower 104.

In one embodiment, as shown in figure 29, piping 124 is supported by shell 102.Piping 124 includes generating exhaust gas The exhaust gas of device is piped 122 gas pipes connecting with the exhaust gas inlet on absorption tower 104 or uses for absorption tower 104 At least one party of the liquid pipe of absorbing liquid flowing.

It is above-mentioned to be supported with tubing by the shell 102 of a part of the hull construction of formation ship 1 according to the embodiment, Thus, it is possible to realize the densification of the supporting structure of the auxiliary device on the absorption towers 104 comprising these pipings.Moreover, even if absorbing The position of tower 104 and the positional relationship of sustainer change according to ship, as long as the length variation being only piped, therefore It is coped with by modularization, can be realized cost cutting.

In one embodiment, as shown in figure 30, the hull construction of ship 1 includes: shell 102；In the width of ship 1 Spend direction (direction arrow a) on the other hull constructions 103 that are adjacent and being welded in shell 102 of shell 102.

According to the embodiment, the hull construction configured along the width direction of ship 1 is divided into the shell on bearing absorption tower 104 Body 102 and other hull constructions 103, therefore can be carried respectively into ship using crane 108.Thereby, it is possible to avoid shell The weight of one-piece type desulfurizer 100 becomes the excessive and insufficient state of affairs of hoisting power.

In several embodiments, as shown in Figure 31 (A) and (B), it is formed between the frame 126 for constituting shell 102 Overlook view is rectangular space s2.It is rectangular under overlook view that Figure 31 (A), which shows and is configured with shape in rectangular space s2, Absorption tower 104 (104a) example, it is round under overlook view that Figure 31 (B), which is shown in rectangular space s2 configured with shape, Absorption tower 104 (104b) example.Figure 31 (C) is the periphery by absorption tower 104 (104b) shown in Figure 31 (B) in multiple welderings The example of frame 126 is fixed at contact p.In this way, suction can be also arranged in the shell 102 in the one-piece type desulfurizer 100 of shell It receives tower 104 (104a, 104b).

Figure 32 is the process for indicating the assemble method to ship of the one-piece type desulfurizer 100 of the shell of an embodiment Figure.As shown in figure 32, firstly, forming the one-piece type desulfurizer 100 of shell, the one-piece type desulfurizer 100 of the shell in land The shell 102 and absorption tower 104 (desulfurizer forming step S10) for having a part for the hull construction to form ship.It connects down Come, by the one-piece type desulfurizer 100 of shell formed by desulfurizer forming step S10, to ship installation, (ship installs step Rapid S12).In desulfurizer forming step S10, by the shell of the shell 102 of the one-piece type desulfurizer 100 of shell and ship 1 Hull construction engagement other than 102.

According to the above method, in desulfurizer forming step S10, shell one is previously formed in the factory on land etc. Type desulfurizer 100 carries the one-piece type desulfurizer 100 of shell to ship after boat docking.Thereby, it is possible to shorten to The duration that the absorption tower that ship carries is carried.Moreover, absorption tower 104 with shell 102 before progress is integrated, can simultaneously simultaneously Row ground manufactures respectively, and thereby, it is possible to shorten the duration of the one-piece type desulfurizer 100 of shell.

In one embodiment, in desulfurizer forming step S10, according to shell one-piece type desulfurizer 100 from Section below assembles on absorption tower 104 and shell 102 and absorption tower 104 to the sequence of upper section together.

According to the embodiment, pass through the part from below according to the one-piece type desulfurizer 100 of shell to upper section Sequence assembles and assembles and become easy, and absorption tower 104 and shell 102 are assembled simultaneously in parallel, and thus, it is possible to shorten the construction period.

In one embodiment, as shown in figure 33, in the forming step, the one-piece type desulfurizer of shell is formed The aggregate of multiple partitioning portion 100a, 100b and 100c for dividing along the vertical direction.In ship installation steps S12, Xiang Chuan Oceangoing ship 1 stacks gradually above-mentioned partitioning portion 100a~100c, thus installs the one-piece type desulfurizer 100 of shell to ship.

According to the embodiment, the one-piece type desulfurizer 100 of shell forms the multiple cutting parts divided along the vertical direction The aggregate of point 100a~100c, thus in ship installation steps S12, can according to each partitioning portion using crane 108 to It is carried in ship.Thereby, it is possible to avoid the insufficient state of affairs of the transporting capacity of crane 108.

In this embodiment, to partitioning portion 100a~100c assemble respectively absorption tower 104 partitioning portion 104a, 104b and 104c.When partitioning portion 100a~100c is assembled in ship, each partitioning portion 104a~104c is integrally assembled in Absorption tower 104.

It this concludes the description of preferred embodiment of the invention, but the present invention is not limited to above-mentioned mode, is able to carry out not The various changes being detached from the range of the purpose of the present invention.Ship desulfurizer of the invention is towards for example with 10000TEU The super-container vessel (ULCS) of above container loading volume and can use well, but object container load Oil carrier or in bulk other than so-called large-scale or middle-size and small-size container ship and object container ship of the volume no more than 10000TEU The freighters such as freighter are also able to use towards general ships such as passenger boats.

The present invention also includes the mode that above-mentioned embodiment is appropriately combined.For example, absorption tower 30 can have inside Space confirms device 80 and exhaust gas cooling device 85.Moreover, existing can among the invention of above-mentioned several embodiments 1 is in suitable for asperratio: greater than 1.1 and 1: the invention on the rectangular absorption tower outside less than or equal to 6.0 range, and And there is also the inventions that can be suitable for circular absorption tower.It is super in 1 these inventions can also to be suitable for asperratio : greater than 1.1 and 1: rectangular absorption tower or circular absorption tower outside less than or equal to 6.0 range.

Industrial applicibility

According to an embodiment, it can be realized the excellent ship of configurability when configuring to ships such as super large marines and use and take off Sulphur device.

Claims (5)

1. a kind of ship desulfurizer is used to take off the exhaust gas being discharged from the exhaust producing device for being equipped on ship Sulphur, wherein

The ship has with desulfurizer:

Absorption tower comprising delimit out the absorbent tower body portion of inner space；

Dispensing device can dispense cleaning solution to the exhaust gas flowed in the inner space；And

Filler is filled in the filled layer in inner space setting and is laminated along longitudinal direction, and is configured to make the cleaning Liquid carries out gas-liquid contact with the exhaust gas passed through in the filled layer,

The absorbent tower body portion has a pair of of wall surface that the width direction along the ship is separated and extended parallel to each other,

The filler include a side side from the pair of wall surface wall surface to another party side wall surface along the ship Multiple regular fillers that width direction is arranged.

2. ship desulfurizer according to claim 1, wherein

The absorbent tower body portion is configured to make the exhaust gas from flowing in vertical direction underneath towards top,

The dispensing device is configured to upwards spray the cleaning solution.

3. ship desulfurizer according to claim 1, wherein

2m or more is divided between the filled layer and the dispensing device.

4. a kind of ship desulfurizer is used to take off the exhaust gas being discharged from the exhaust producing device for being equipped on ship Sulphur, wherein

The ship has with desulfurizer:

Absorption tower comprising delimit out the absorbent tower body portion of inner space；

Dispensing device can dispense cleaning solution to the exhaust gas flowed in the inner space；And

Filler is filled in the filled layer in inner space setting and is laminated along longitudinal direction, and is configured to make the cleaning Liquid carries out gas-liquid contact with the exhaust gas passed through in the filled layer,

Wall surface in the wall surface for delimiting out the inner space in the absorbent tower body portion, marking off the filled layer with At least part of outer wall surface forms lumarith,

The not formed lumarith of wall surface for marking off the filled layer in the absorbent tower body portion.

5. a kind of ship, equipped with ship desulfurizer according to any one of claims 1 to 4.