CN107709882A - Soot blower - Google Patents
Soot blower Download PDFInfo
- Publication number
- CN107709882A CN107709882A CN201580080966.3A CN201580080966A CN107709882A CN 107709882 A CN107709882 A CN 107709882A CN 201580080966 A CN201580080966 A CN 201580080966A CN 107709882 A CN107709882 A CN 107709882A
- Authority
- CN
- China
- Prior art keywords
- blowing pipe
- external diameter
- pipe
- diameter
- tapering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007664 blowing Methods 0.000 claims description 152
- 239000004071 soot Substances 0.000 claims description 37
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000002609 medium Substances 0.000 description 31
- 238000005452 bending Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 239000001963 growth medium Substances 0.000 description 4
- 238000007665 sagging Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000006748 scratching Methods 0.000 description 3
- 230000002393 scratching effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices or arrangements for removing water, minerals or sludge from boilers ; Arrangement of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/54—De-sludging or blow-down devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention provides a kind of soot blower, and it possesses：Blowing pipe (4), front end are provided with the injection nozzle (7) of injection ejection medium and are barrel shape；Ejection medium supply pipe (3), it is inserted in the inner circumferential side of blowing pipe (4) and supplies ejection medium to blowing pipe (4)；Drive device (5), make blowing pipe (4) to the axially direction advance and retreat along blowing pipe (4)；And support roller (6), supported from the lower section of blowing pipe (4) by blowing pipe (4) as can be to axial advance and retreat, blowing pipe (4) has tapering (30), the tapering (30) is formed at the part in direction vertically, and the external diameter for being upwardly into few position by support roller (6) support week gradually expands with the lateral base end side in front end from blowing pipe (4).
Description
Technical field
The present invention relates to a kind of soot blower of the attachment for the boiler tube for for example removing and being attached to boiler.
Background technology
For example, in the heat exchangers such as heat recovery boiler, usually using soot blower (soot blower：Soot blower) it is right
The heating surface of boiler tube (heat-transfer pipe) is cleaned.Known soot blower is the device of following structures：There is injection to spray for front end
The blowing pipe (1ance tube) of mouth is rotated and retreated to the inside of boiler.
The movement (travel) (advance and retreat scope) of blowing pipe is wide according to the stove of boiler and suitably sets.Due to the shifting of blowing pipe
Dynamic to reach such as 10m or so, therefore when blowing pipe projects to maximum movement, applying larger bending to the base end side of blowing pipe should
Power.
Recorded in patent document 1, in order to reduce the bending stress for the base end side for putting on blowing pipe, be formed as thickening
The thickness of slab of the base end side of blowing pipe with certain external diameter, and the technology of the thickness of slab of front is thinned.
Conventional art document
Patent document
Patent document 1：Japanese Unexamined Patent Publication 7-119950 publications
The content of the invention
The invention technical task to be solved
In patent document 1 in described soot blower, although reducing the bending for the base end side for putting on blowing pipe
Stress, but the phenomenon for making front generation sagging due to the overall flexure of blowing pipe turns into problem.
It can suppress it is an object of the present invention to provide a kind of in the soot blower for making blowing pipe retreat because of blowing pipe
Cause the sagging soot blower of blowing pipe front end in itself.
For solving the means of technical task
According to the 1st aspect of the present invention, soot blower is characterised by possessing：Blowing pipe, front end are provided with injection and sprayed
The injection nozzle of medium and be barrel shape；Ejection medium supply pipe, it is inserted in the inner circumferential side of the blowing pipe and to the soot blowing
Pipe supplies ejection medium；Drive device, make the blowing pipe to the axially direction advance and retreat along the blowing pipe；And support
Roller, being supported from the lower section of the blowing pipe by the blowing pipe can axially to be retreated to described, the blowing pipe has tapering,
The tapering is formed at the part along the axially direction, and is upwardly into the external diameter at few position supported by the support roller week
Gradually expand with from the lateral base end side in the front end of the blowing pipe.
According to this structure, moved along blowing pipe advance and retreat direction and when support roller is crossed in tapering, the front end of blowing pipe
Side is lifted with the expansion in tapering.Thereby, it is possible to suppress to cause soot blowing because of the flexure of blowing pipe in itself by blowing pipe
Pipe front end it is sagging.
Can be the cylindrical shape of blowing pipe in above-mentioned soot blower, the external diameter in the tapering is whole circumferential
It is upper gradually to expand.
Can be that the blowing pipe has in above-mentioned soot blower：Minor diameter part, it is the located at the front and external diameter
One external diameter；Large-diameter portion, it is the second external diameter bigger than the first external diameter located at the base end side and external diameter；And the tapering, with
The external diameter of the connecting portion of the minor diameter part is first external diameter, and the external diameter with the connecting portion of the large-diameter portion is second external diameter.
According to this structure, by making the rigidity of base end side of blowing pipe be improved than front, it can reduce to put on and blow
The bending stress of the base end side of ash pipe.
Can be that there is seal member in above-mentioned soot blower, the seal member is to the outer of the ejection medium supply pipe
Sealed between the inner peripheral surface of side face and the blowing pipe, the blowing pipe has certain internal diameter.
According to this structure, become the gap between the outer peripheral face of ejection medium supply pipe and the inner peripheral surface of blowing pipe
It is narrow, it just can thicken the wall thickness of the base end side of blowing pipe.Thereby, it is possible to suppress the inner peripheral surface and ejection medium supply pipe of blowing pipe
Interfered and prevent from scratching the inner peripheral surface of blowing pipe, and the sealing between ejection medium supply pipe and blowing pipe can be improved
Property.
Invention effect
In accordance with the invention it is possible to suppress to cause under blowing pipe front end because of the flexure of blowing pipe in itself by blowing pipe
Hang down.
Brief description of the drawings
Fig. 1 is the schematic configuration diagram of the soot blower of the first embodiment of the present invention.
Fig. 2 is the sectional view of the blowing pipe of the soot blower of the first embodiment of the present invention.
Fig. 3 is the figure that the effect to the soot blower of the first embodiment of the present invention illustrates, and is to represent soot blowing
Figure of the pipe to the state of retrogressing on rear side of advance and retreat direction.
Fig. 4 is the figure that the effect to the soot blower of the first embodiment of the present invention illustrates, and is to represent soot blowing
Figure of the pipe to the state of advance on front side of advance and retreat direction.
Fig. 5 is the sectional view of the blowing pipe of the soot blower of second embodiment of the present invention.
Embodiment
Hereinafter, the soot blower (soot blower) of the first embodiment of the present invention is described in detail refer to the attached drawing.
Returned as shown in figure 1, the soot blower 1 of present embodiment is located at for example in generating equipment by exhaust to carry out heat
The wall portion 50 of the heat recovery boiler of receipts.Soot blower 1 (conducts heat to remove the surface for the boiler tube for being attached to heat recovery boiler
Surface) and hinder the device of the attachment of heat exchange.
The object that cigarette ash is removed by the soot blower 1 of present embodiment is not limited to the boilers such as heat recovery boiler.This reality
Apply the various heat exchangers such as being applicable to air preheater, economizer of soot blower 1 of mode.
Soot blower 1 has：Shell 2；The ejection medium supply pipe 3 (feed pipe) of tubulose, is fixed in shell 2；Tubulose
The blowing pipe 4 (blowpipe) of (drum), it is in coaxial to be surveyed in the periphery of ejection medium supply pipe 3 with ejection medium supply pipe 3
Configuration；Drive device 5, blowing pipe 4 is set to be retreated to along the direction of the axial direction of blowing pipe 4 (hereinafter referred to as axial)；And support
Roller 6, blowing pipe 4 is supported as can be to axial advance and retreat from below.
The ejection medium such as steam G is supplied in blowing pipe 4 via ejection medium supply pipe 3.From the front end for being arranged at blowing pipe 4
Injection nozzle 7 spray ejection medium G.Blowing pipe 4 is pivoted and retreated to the inside of boiler.
The wall portion 50 of heat recovery boiler extends along vertical, the axial direction and wall of ejection medium supply pipe 3 and blowing pipe 4
Portion 50 is orthogonal.That is, ejection medium supply pipe 3 and blowing pipe 4 is horizontally extending.
Hereinafter, the direction that the central shaft of ejection medium supply pipe 3 is extended and the direction that blowing pipe 4 is retreated are set to retreat
Direction X.Also, right side in Fig. 1 is set to X1 on front side of advance and retreat direction, left side in Fig. 1 is set to X2 on rear side of advance and retreat direction.
The front end (X1 ends on front side of advance and retreat direction) of blowing pipe 4 has injection nozzle 7.Blowing pipe 4 is from located at blowing pipe 4
The injection nozzle 7 of front end is inserted in boiler internal through being formed from the boiler through hole 51 of wall portion 50.
Shell 2 is in the horizontal direction long angle barrel shape on (advance and retreat direction X).Ejection medium supply pipe 3 and blowing pipe 4 are along outer
The long side direction configuration of shell 2.Shell 2 is for example fixed on equipment by the first support 8 of the upper surface of the upper wall 18 located at shell 2
Regulation works.The first side wall 24 of X1 side wall is fixed on wall portion by second support 9 on front side of the advance and retreat direction of shell 2
50。
Delivery valve 10 (supply valve) is provided with the second sidewall 25 of X2 side wall on rear side of the advance and retreat direction of shell 2.Steam
Deng ejection medium G delivery valve 10 is supplied in via pipe arrangement (not shown).
Ejection medium supply pipe 3 is inserted into the inner circumferential side of blowing pipe 4, and the ejection medium G that will be supplied in delivery valve 10
The part of supply to blowing pipe 4 and in a tubular form.Shell 2 is fixed in X2 end on rear side of the advance and retreat direction of ejection medium supply pipe 3
Second sidewall 25 inner surface.The inside of ejection medium supply pipe 3 connects with delivery valve 10.That is, supply to delivery valve 10
Ejection medium G is fed to ejection medium supply pipe 3.
4 cylindrical shape of blowing pipe, and surveyed in the periphery of ejection medium supply pipe 3 with ejection medium supply pipe 3 in coaxial
Shape configures.X1 end is formed with injection nozzle 7 on front side of the advance and retreat direction of blowing pipe 4.On rear side of the advance and retreat direction of blowing pipe 4
X2 end is formed with from the periphery of blowing pipe 4 towards radially projecting flange 12.The front of blowing pipe 4 is run through via shell
Hole 13 is inserted in boiler internal to the outside prominent of shell 2, and via boiler through hole 51.
Drive device 5 has：Mobile bracket (traveling carriage) 14, it is installed on the flange 12 of blowing pipe 4；
Motor 15, it is installed on mobile bracket 14；Little gear 16, rotated by the driving force of motor 15；And rack 17, with small tooth
The engagement of wheel 16, and it is fixed on the inner surface (lower surface) of the upper wall 18 of shell 2.
Mobile bracket 14 has the flange 12 (X2 end on rear side of advance and retreat direction) for keeping blowing pipe 4 and covers injection
The shape of the periphery of medium supply pipe 3.Airtight and watertight padding 20 is provided between mobile bracket 14 and ejection medium supply pipe 3, should
Airtight and watertight padding 20 is to seal the seal member between the inner peripheral surface of mobile bracket 14 and the outer peripheral face of ejection medium supply pipe 3.
That is, mobile bracket 14 can be slided by airtight and watertight padding 20 in ejection medium supply pipe 3.
X1 is provided with rotating mechanism 21 on front side of the advance and retreat direction of mobile bracket 14.The flange 12 and whirler of blowing pipe 4
Structure 21 connects.That is, the rear end side of blowing pipe 4 is installed on mobile bracket 14 in a manner of rotating freely.
Be provided with mobile bracket 14 along shell 2 long side direction setting guide rail (not shown) on walk lead
Roller 22.
Limit switch 23 is installed on shell 2.Limit switch 23 is installed on the position for the position that can detect deflector roll 22.
Limit switch 23 is respectively arranged at the end of X2 on rear side of X1 end and advance and retreat direction on front side of the advance and retreat direction of shell 2.The limit is opened
Close the moving range of 23 advance and retreat for being used in control blowing pipe 4.
Then, the effect to drive device 5 illustrates.If little gear 16 is rotated by the driving force of motor 15, lead to
Crossing makes little gear 16 mobile bracket 14 is moved along advance and retreat direction X in up come up of the rack 17 engaged with little gear 16.That is,
By the power of motor 15, the blowing pipe 4 for making to be integrally formed with mobile bracket 14 moves along advance and retreat direction X.
The cylindrical form of support roller 6, and blowing pipe 4 is supported from below.Support roller 6 is installed on the first side wall 24 of shell 2.
When blowing pipe 4 is configured at deposit position as shown in Figure 1 (minimum mobile), support roller 6 supports the front of blowing pipe 4, soot blowing
When pipe 4 is configured at extrusion position as shown in Figure 4, support roller 6 supports the base end side of blowing pipe 4.That is, support roller 6 is in blowing pipe 4
Carry out supporting blowing pipe 4 from below all the time during moving back and forth.
When blowing pipe 4 is in deposit position as shown in Figure 1, the central shaft edge that support roller 6 is configured at such as blowing pipe 4 is horizontal
Position as direction.Blowing pipe 4 can be supported with a support roller 6, blowing pipe 4 can also be supported with multiple support rollers 6.
Support roller is not limited to said structure, as long as blowing pipe 4 can be supported as moving back and forth structure freely i.e.
Can.For example, it is also possible to it is set to the structure of the inner circumferential side support blowing pipe 4 with ring-type roller.
Then, blowing pipe 4 is described in detail.
As shown in Fig. 2 the blowing pipe 4 of present embodiment has：The blowing pipe main body 26 of drum；Flange 12, is located at
X2 (base end side) on rear side of the advance and retreat direction of blowing pipe main body 26；And head 27, located at X1 (front) on front side of advance and retreat direction.
Injection nozzle 7 is provided with head 27.Multiple injection nozzles 7 are located at the outer peripheral face on head 27.Injection nozzle 7
Bore, shape can be selected according to according to cigarette ash removal object.
Blowing pipe main body 26 has：X2 large-diameter portion 28 on rear side of advance and retreat direction；X1 minor diameter part 29 on front side of advance and retreat direction；And
Connect the tapering 30 of large-diameter portion 28 and minor diameter part 29.That is, tapering 30 is formed at an axial part.
Large-diameter portion 28, tapering 30, minor diameter part 29 and head 27 are engaged by welding.
The internal diameter D1 of large-diameter portion 28, tapering 30 and minor diameter part 29 is identical.That is, the internal diameter D1 of blowing pipe main body 26 is whole
It is identical on axial direction.
Large-diameter portion 28 can be formed by Cr-Mo-V steel.The outer diameter D 2 (second external diameter) of large-diameter portion 28 can be for example set to
105mm.The wall thickness of large-diameter portion 28 can for example be set to 7.5mm.
Minor diameter part 29 can be formed by SUS321, and the SUS321 is to add titanium into the not elegant steel such as SUS304 and improve resistance to crystalline substance
The corrosive not elegant steel in boundary.The outer diameter D 3 (first external diameter) of minor diameter part 29 is smaller than the outer diameter D 2 of large-diameter portion 28, such as can be set to
102mm。
Also, the wall thickness of minor diameter part 29 can for example be set to 6mm, be formed as the wall of the wall ratio minor diameter part 29 of large-diameter portion 28
It is thicker.
Tapering 30 can be formed by SUS321.The external diameter (outer peripheral face 30a diameter) in tapering 30 throughout the circumferential from
The connecting portion C1 of minor diameter part 29 gradually expands to the connecting portion C2 with large-diameter portion 28.
The external diameter (external diameter with the connecting portion C1 of minor diameter part 29) of the front in tapering 30 and the phase of outer diameter D 3 of minor diameter part 29
Together, such as 102mm can be set to.The external diameter (external diameter with the connecting portion C2 of large-diameter portion 28) and large-diameter portion of the base end side in tapering 30
28 outer diameter D 2 is identical, such as can be set to 105mm.That is, the outer peripheral face 30a in tapering 30 diameter is with towards behind advance and retreat direction
Side X2 and become larger.
More than, the size of blowing pipe 4 is recorded, but above-mentioned example is an example, as long as large-diameter portion 28 is outer
Footpath D2 is bigger than the outer diameter D 3 of minor diameter part 29, and the outer peripheral face 30a in tapering 30 diameter with towards X2 on rear side of advance and retreat direction and by
Gradual change is big, then can suitably be changed according to specification of set boiler etc..
Head 27 can be formed by the SCH13 as heat resisting cast steel.
More than, blowing pipe 4 is described in detail, but form large-diameter portion 28, tapering 30, the path for forming blowing pipe 4
The material on portion 29 and head 27 is not limited to above-mentioned, as long as the function of blowing pipe can be played, then can suitably be changed.
Then, illustrated with reference to the effect of figure 3 and Fig. 4 to the blowing pipe 4 of present embodiment.In addition, in Fig. 3 and Fig. 4
In, for the ease of understanding the effect of blowing pipe 4, change horizontal and vertical ratio.
As shown in figure 3, when support roller 6 supports the minor diameter part 29 of blowing pipe 4, the central shaft A of blowing pipe 4 is configured in horizontal position
Put.
As shown in figure 4, if blowing pipe 4 is to before X1 on front side of advance and retreat direction and then making the tapering 30 of blowing pipe 4 step up support roller
6, then the central shaft A of blowing pipe 4 X1 on front side of the direction of advance tilted in a manner of turning into top.That is, by making to be supported by support roller 6
The external diameter of part become big so that the height of the front of blowing pipe 4 becomes higher than the base end side of blowing pipe 4.Blowing pipe 4
The height of base end side will not change because of the inclination of blowing pipe 4.
According to above-mentioned embodiment, blowing pipe 4 is inserted in the inner space of boiler and when support roller 6 is crossed in tapering 30, blows
The front end of ash pipe 4 is lifted with the expansion in tapering 30.Thereby, it is possible to suppress scratching because of blowing pipe 4 in itself by blowing pipe
It is bent and cause the sagging of the front end of blowing pipe 4.
Also, the minor diameter part 29 than the front of blowing pipe 4 is formed as by the wall thickness of the large-diameter portion 28 of the base end side of blowing pipe 4
Wall thickness it is thicker, the base end side of blowing pipe 4 rigidity than front improve.Thereby, it is possible to reduce to put on the cardinal extremity of blowing pipe 4
The bending stress of side.
Also, blowing pipe 4 has certain internal diameter, thus, the outer peripheral face and blowing pipe 4 of ejection medium supply pipe 3 are not made
Gap between inner peripheral surface diminishes, and just can thicken the wall thickness of the base end side of blowing pipe 4.
Put on the bending stress of base end side in order to reduce and make the base end side thickness of slab with the blowing pipe of certain external diameter
Inner circumferential side be formed as thicker existing type blowing pipe in the case of, crest line and the outer peripheral face of ejection medium supply pipe enter sometimes
Row interference, the crest line are that the thickness of slab of base end side is formed as thicker position and wall thickness towards between front gradually thinning tapering
Crest line.The blowing pipe 4 of present embodiment can prevent from scratching ejection medium supply pipe 3 because of above-mentioned interference, and can improve
Sealing between ejection medium supply pipe 3 and blowing pipe 4.
If in addition, it is pivoted without blowing pipe 4, without blowing pipe main body 26 is set into drum.That is, do not setting
Put rotating mechanism 21 and make blowing pipe 4 retreat structure in the case of, blowing pipe 4 can also be set to the tubulars such as section octagon
Shape.
In this case, tapering 30 is formed as, the external diameter for being upwardly into few position supported by support roller 6 week of blowing pipe 4 by
Flaring is big.That is, tapering 30 can not also be upwardly formed whole week in blowing pipe 4.
(second embodiment)
Hereinafter, the soot blower of second embodiment of the present invention is illustrated based on accompanying drawing.In addition, present embodiment
In, so that with being described centered on the difference of above-mentioned first embodiment, for same section, the description thereof will be omitted.
As shown in figure 5, the blowing pipe 4B of the soot blower of present embodiment have flange 12, blowing pipe main body 26B and
Head 27, blowing pipe main body 26B external diameter expand from front end to cardinal extremity with certain ratio.That is, the blowing pipe of present embodiment
4B does not have large-diameter portion and minor diameter part, and with the continuous expanding outer peripheral face from front end to cardinal extremity.
In addition, in Figure 5, for the ease of understanding blowing pipe 4B wall thickness, change horizontal and vertical ratio.
According to above-mentioned embodiment, with being moved to X1 on front side of blowing pipe 4B advance and retreat direction, blowing pipe 4B front end is suitable
Freely lift.Thereby, it is possible to suppress end the rocking by blowing pipe during support roller 64 in tapering 30 in first embodiment.
More than, embodiments of the present invention are described in detail, in the scope for the technological thought for not departing from the present invention
It is interior, various changes can be applied.
For example, in the respective embodiments described above, drive device 5 makes blowing pipe 4 retreat using rack, pinion gear mechanism, but
It is not limited to this.For example, it is also possible to make the structure of the advance and retreat of blowing pipe 4 using chain, chain-wheel mechanism.
Also, the internal diameter of blowing pipe 4 from front end to cardinal extremity all same or the wall thickness thickeied near cardinal extremity without coming
Improve the structure of intensity.
Symbol description
1- soot blowers, 2- shells, 3- ejection medium supply pipes, 4,4B- blowing pipes, 5- drive devices, 6- support rollers, 7-
Injection nozzle, 8- first supports, 9- second supports, 10- delivery valves, 12- flanges, 13- shell through holes, 14- mobile brackets,
15- motors, 16- little gears, 17- racks, 18- upper walls, 20- airtight and watertight paddings (seal member), 21- rotating mechanisms, 22- deflector rolls,
23- limit switches, 24- the first side walls, 25- second sidewalls, 26,26B- blowing pipe main bodys, 27- heads, 28- large-diameter portions, 29- is small
Footpath portion, 30- taperings, 50- wall portions, 51- boiler through holes, C1, C2- connecting portion, the internal diameter of D1- blowing pipe main bodys, D2- large-diameter portions
External diameter (second external diameter), the external diameter (first external diameter) of D3- minor diameter parts, G- ejection mediums.
Claims (4)
1. a kind of soot blower, it possesses：
Blowing pipe, front end are provided with the injection nozzle of injection ejection medium and are barrel shape；
Ejection medium supply pipe, it is inserted in the inner circumferential side of the blowing pipe and supplies ejection medium to blowing pipe；
Drive device, make the blowing pipe to the axially direction advance and retreat along the blowing pipe；And
Support roller, supported from the lower section of the blowing pipe by the blowing pipe can axially to be retreated to described,
The blowing pipe has tapering, and the tapering is formed at the part along the axially direction, and is upwardly into week few by institute
The external diameter for stating the position of support roller support gradually expands with from the lateral base end side in the front end of the blowing pipe.
2. soot blower according to claim 1, wherein,
The cylindrical shape of blowing pipe,
The external diameter in the tapering gradually expands throughout the circumferential.
3. soot blower according to claim 2, wherein,
The blowing pipe has：
Minor diameter part, it is first external diameter located at the front and external diameter；
Large-diameter portion, it is the second external diameter bigger than the first external diameter located at the base end side and external diameter；And
The tapering, the external diameter with the connecting portion of the minor diameter part are first external diameter, the external diameter with the connecting portion of the large-diameter portion
For second external diameter.
4. the soot blower according to Claims 2 or 3, it has seal member, and the seal member is to the ejection medium
Sealed between the inner peripheral surface of the outer peripheral face of supply pipe and the blowing pipe,
The blowing pipe has certain internal diameter.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/069007 WO2017002233A1 (en) | 2015-07-01 | 2015-07-01 | Soot blowing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107709882A true CN107709882A (en) | 2018-02-16 |
| CN107709882B CN107709882B (en) | 2020-04-07 |
Family
ID=57608132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580080966.3A Active CN107709882B (en) | 2015-07-01 | 2015-07-01 | Soot blower |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6496956B2 (en) |
| KR (1) | KR102058280B1 (en) |
| CN (1) | CN107709882B (en) |
| TW (1) | TWI630348B (en) |
| WO (1) | WO2017002233A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102062131B1 (en) * | 2018-05-21 | 2020-01-03 | 이종춘 | Soot Blower having Air Cylinder type-Steam Valve |
| KR102035555B1 (en) * | 2018-05-21 | 2019-10-24 | 이종춘 | Soot Blower having Long-Type Lance Tube Guide |
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|---|---|---|---|---|
| JPS55128790A (en) * | 1979-03-26 | 1980-10-04 | Babcock Hitachi Kk | Soot blower |
| JPS5833018A (en) * | 1981-08-21 | 1983-02-26 | Mitsubishi Heavy Ind Ltd | Soot blower |
| JP2008241166A (en) * | 2007-03-28 | 2008-10-09 | Mhi Plant Construction Co Ltd | Soot removing device |
| CN101535759A (en) * | 2006-11-06 | 2009-09-16 | 煤烟技术股份公司 | A method of rebuilding a sootblowing system of a recovery furnace, a sootblower for a recovery furnace, and a sootblowing system including a plurality of sootblowers |
| CN101846325A (en) * | 2010-06-02 | 2010-09-29 | 中国石油化工集团公司 | Soot blower |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5852426U (en) * | 1981-10-02 | 1983-04-09 | バブコツク日立株式会社 | soot blower |
| JPS61161332A (en) * | 1985-01-10 | 1986-07-22 | Mitsubishi Heavy Ind Ltd | Device for preventing vibraiton of soot blower |
| JPH02140133U (en) * | 1989-04-24 | 1990-11-22 | ||
| JP3089147B2 (en) * | 1993-10-29 | 2000-09-18 | 三菱重工業株式会社 | Sootblower |
| JPH07127839A (en) * | 1993-11-04 | 1995-05-16 | Mitsubishi Heavy Ind Ltd | Lance tube for soot blower |
| JP2002310422A (en) * | 2001-04-16 | 2002-10-23 | Mitsubishi Heavy Ind Ltd | Soot blower device |
| CN103148490A (en) * | 2011-12-06 | 2013-06-12 | 中国石油化工股份有限公司 | Telescopic gas soot blower |
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2015
- 2015-07-01 KR KR1020177036570A patent/KR102058280B1/en active Active
- 2015-07-01 JP JP2017525747A patent/JP6496956B2/en active Active
- 2015-07-01 WO PCT/JP2015/069007 patent/WO2017002233A1/en active Application Filing
- 2015-07-01 CN CN201580080966.3A patent/CN107709882B/en active Active
-
2016
- 2016-02-16 TW TW105104484A patent/TWI630348B/en active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS55128790A (en) * | 1979-03-26 | 1980-10-04 | Babcock Hitachi Kk | Soot blower |
| JPS5833018A (en) * | 1981-08-21 | 1983-02-26 | Mitsubishi Heavy Ind Ltd | Soot blower |
| CN101535759A (en) * | 2006-11-06 | 2009-09-16 | 煤烟技术股份公司 | A method of rebuilding a sootblowing system of a recovery furnace, a sootblower for a recovery furnace, and a sootblowing system including a plurality of sootblowers |
| JP2008241166A (en) * | 2007-03-28 | 2008-10-09 | Mhi Plant Construction Co Ltd | Soot removing device |
| CN101846325A (en) * | 2010-06-02 | 2010-09-29 | 中国石油化工集团公司 | Soot blower |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2017002233A1 (en) | 2018-02-22 |
| KR102058280B1 (en) | 2019-12-20 |
| TWI630348B (en) | 2018-07-21 |
| KR20180008776A (en) | 2018-01-24 |
| JP6496956B2 (en) | 2019-04-10 |
| WO2017002233A1 (en) | 2017-01-05 |
| TW201702530A (en) | 2017-01-16 |
| CN107709882B (en) | 2020-04-07 |
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