CN207987874U - A kind of liquefied natural gas receiving station seawater water intaking microbial treatment device - Google Patents
A kind of liquefied natural gas receiving station seawater water intaking microbial treatment device Download PDFInfo
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- CN207987874U CN207987874U CN201820287198.XU CN201820287198U CN207987874U CN 207987874 U CN207987874 U CN 207987874U CN 201820287198 U CN201820287198 U CN 201820287198U CN 207987874 U CN207987874 U CN 207987874U
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Abstract
The utility model is related to a kind of liquefied natural gas receiving station seawater water intaking microbial treatment devices, which is characterized in that the device includes seawater intake, water intaking closed conduit and water plant, and seawater intake is connected by closed conduit of fetching water with water plant；Several independent leads are separated by partition board in water plant, bulkhgead gate, sewage disposal apparatus, rotary sieve, apparatus for ultraviolet light treamtent and sea water pump are set gradually along the flow direction of seawater in each lead, the outlet of each sea water pump is connected to seawater open-frame type gasifier through seawer outlet pipeline.The utility model carries out dissipation using apparatus for ultraviolet light treamtent to the microorganism in seawater, it realizes and is added without any chemical agent, microorganism in pollution-free processing seawater, receiving station is reduced simultaneously because of corrosion of the dosing to equipment and pipeline, solves equipment pipe fouling caused by microbial resistance.The utility model technical feasibility, comprehensive benefit are notable, can significantly reduce receiving station's operating cost.
Description
Technical field
The utility model is related to a kind of microbial treatment devices, specifically about a kind of liquefied natural gas (LNG) receiving station
Seawater water intaking microbial treatment device, micro- life to LNG receiving stations seawater intake is directly realized by using apparatus for ultraviolet light treamtent
Object dissipation acts on.
Background technology
Currently, LNG receiving stations are in order to realize that the outer transmission function of gasification needs to configure LNG gasification device, main Types have：Seawater is opened
Posture gasifier (ORV), intermediate medium gasifier (IFV) and submerged combustion gasifier (SCV).LNG gasification device is chosen to need
Consider the factors such as local weather, sea conditions, the LNG receiving stations close to coastal area, if silt content, sulfide in seawater
Relatively low with heavy metal component, water quality is preferable, and it is defeated outside gaseous state to realize to mostly use ORV greatly.
ORV is using seawater as the heat transmission equipment of heat source gasification LNG, and seawater enters from the tops ORV, sprays from top to bottom,
Template tube bank outer surface forms uniform moisture film.LNG enters from lower manifold, then rises through aluminium alloy heat exchange tube, with seawater
Heat exchange gasification.Seawater enters sea water pump pump sump from LNG receiving stations seawater intake, is pressurizeed by sea water pump sent through seawater manifold later
Enter ORV, the seawater after gasify LNG and heat exchange drains into sea through LNG receiving stations seawater discharge canal.In entire seawater flow process
In, microbes are attached to filter, pipeline, ORV seawater slot and heat exchange fin surface in seawater, can cause pipeline, filter
It blocks and equipment is corroded, influence gasification efficiency, seawater pipeline and equipment may be damaged when serious.In addition, the secretion of microorganism
Object can aggravate the formation of system dirt, reduce the heat exchanger effectiveness of gasifier, increase additional a large amount of energy consumptions.
After general seawater is filtered by LNG receiving stations seawater water intaking port strobe, trash rack and grid, micro- life in order to prevent
Object is grown, and LNG receiving stations would generally carry out microorganism dissipation work in seawater intake, be typically provided with chemicals dosing plant and mating
Device prevents microorganism fouling on pipeline and equipment, to increase sea its object is to carry out dissipation to the microorganism in water
The maintenance work of water system.
General chemicals dosing plant is electrolysed seawater using hypochlorite generator to generate liquor natrii hypochloritis, still
Hypochlorite generator is easily broken down, and cannot achieve automation control, and medicament pump mechanical sealing is bad, lets out often
Leakage, system operation are unstable.If the control of hypochlorous acid content is improper, when hypochlorous acid concentration is excessively high, the corruption to ORV fins can be caused
Erosion and the pollution of environment, increase environmental protection pressure；When hypochlorous acid concentration is too low, then microorganism can be made to be attached to pipeline and ORV seawater
On slot and fin, equipment and pipeline are damaged, reduces production capacity.
Invention content
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of liquefied natural gas receiving station seawater water intaking microorganism
Processing unit.
To achieve the above object, the utility model takes following technical scheme：A kind of liquefied natural gas receiving station seawater takes
Water microorganism processing unit, which is characterized in that the device includes seawater intake, water intaking closed conduit and water plant, the seawater
Intake is connected by the water intaking closed conduit with the water plant；It is separated by partition board in the water plant several
A independent lead, each lead is interior to set gradually bulkhgead gate, sewage disposal apparatus, rotation along the flow direction of seawater
The outlet of strainer, apparatus for ultraviolet light treamtent and sea water pump, each sea water pump is connected to seawater open-shelf through seawer outlet pipeline
Formula gasifier.
In a preferred embodiment, seawater intake front end is provided with thick trash rack together, grizzly bar spacing
For 200mm, the thick trash rack is manufactured using the stainless steel of seawater corrosion resistance.
In a preferred embodiment, the sewage disposal apparatus includes blocking dirty fine fack and mobile automatic dirt removing machine, institute
It states and blocks dirty fine fack and be set to after the bulkhgead gate, grizzly bar spacing is 50mm, and described to block dirty fine fack rotten using sea water resistance
The stainless steel of erosion manufactures；The movable type automatic dirt removing machine blocks dirty fine fack and matches with described, for drawing described in removing
Pollutant in ditch and rubbish.
In a preferred embodiment, it is respectively provided on the seawer outlet pipeline being connect with each sea water pump
By seawater flow regulating valve.
In a preferred embodiment, the apparatus for ultraviolet light treamtent includes ultraviolet radiator, ultraviolet casing pipe, ultraviolet light
Casing fixation steel plate and steel framework；Array arranges multiple ultraviolet radiator, each ultraviolet light in the steel framework
It is arranged the ultraviolet casing pipe outside lamp；Several ultraviolet casing pipe fixation steel plate compartment of terrain are arranged in the steel framework
Interior, the ultraviolet casing pipe is fixed on the ultraviolet casing pipe fixation steel plate.
In a preferred embodiment, uitraviolet intensity detection is additionally provided in the steel framework, in the steel
Apparatus for ultraviolet light treamtent handle is additionally provided on frame processed.
The utility model has the following advantages due to taking above technical scheme：1, the utility model uses ultraviolet light
Processing unit carries out dissipation to the microorganism in seawater, realizes and is added without any chemical agent, in pollution-free processing seawater
Microorganism.2, the utility model has Reusability, can continuous dissipation function.3, the utility model reduce receiving station because
Corrosion of the dosing to equipment and pipeline.4, the utility model can solve equipment pipe fouling caused by microbial resistance.5、
The utility model is safe and reliable, stablizes, and compared with chemical method, security risk is not present in disinfection by ultraviolet light, and killing rate is high.6, originally
Utility model technical feasibility, comprehensive benefit are notable, can significantly reduce receiving station's operating cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model apparatus for ultraviolet light treamtent.
Reference numeral in figure：
1 is seawater intake；2 be water intaking closed conduit；3 be water plant；4 be lead；5 be bulkhgead gate；6 be dress of removing contamination
It sets；61 be to block dirty fine fack；62 be mobile automatic dirt removing machine；7 be rotary sieve；8 be apparatus for ultraviolet light treamtent；81 be ultraviolet
Line lamp；82 be ultraviolet casing pipe；83 be ultraviolet casing pipe fixation steel plate；84 be steel framework；9 be sea water pump；10 be slightly to block dirt
Grid；11 be seawater flow regulating valve；12 be ultraviolet intensity detector；13 be apparatus for ultraviolet light treamtent handle.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and examples.It should be appreciated, however, that attached drawing carries
For only for more fully understanding the utility model, they should not be interpreted as limitations of the present invention.
As shown in Figure 1, liquefied natural gas receiving station provided by the utility model seawater water intaking microbial treatment device includes
Seawater intake 1, water intaking closed conduit 2 and water plant 3, seawater intake 1 are connected by closed conduit 2 of fetching water with water plant 3.
Several independent leads 4 are separated by partition board in water plant 3, in each lead 4 along the flow direction of seawater according to
Secondary setting bulkhgead gate 5, sewage disposal apparatus 6, rotary sieve 7, apparatus for ultraviolet light treamtent 8 and sea water pump 9, each sea water pump 9 go out
Mouth is connected to ORV through seawer outlet pipeline.
In a preferred embodiment, in order to avoid larger floating material enters in water intaking closed conduit 2, in seawater intake
1 front end is provided with thick trash rack 10 together, and grizzly bar spacing is 200mm, and thick trash rack 10 uses the stainless steel of seawater corrosion resistance
Matter manufactures.
In a preferred embodiment, sewage disposal apparatus 6 includes blocking dirty fine fack 61 and mobile automatic dirt removing machine 62, is blocked
Dirty fine fack 61 is set to after bulkhgead gate 5, and grizzly bar spacing is 50mm, blocks dirty fine fack 61 using the stainless of seawater corrosion resistance
Steel material manufactures；Mobile automatic dirt removing machine 62 matches with dirty fine fack 61 is blocked, for remove the pollutant in lead 4 and
Rubbish.
In a preferred embodiment, it in order to meet seawater flow needed for ORV heat exchange, is connect with each sea water pump 9
Seawer outlet pipeline on be respectively provided with by seawater flow regulating valve 11, to pass through flow control realize seawater transmission process.
In a preferred embodiment, as shown in Fig. 2, apparatus for ultraviolet light treamtent 8 includes ultraviolet radiator 81, ultraviolet light set
Pipe 82, ultraviolet casing pipe fixation steel plate 83 and steel framework 84.Array arranges multiple ultraviolet radiator 81 in steel framework 84, each
It is arranged ultraviolet casing pipe 82 outside ultraviolet radiator 81, to prevent ultraviolet radiator 81 by seawater corrosion；Several ultraviolet casing pipes are fixed
83 compartment of terrain of steel plate is arranged in steel framework 84, and ultraviolet casing pipe 82 is fixed on ultraviolet casing pipe fixation steel plate 83.
In a preferred embodiment, in order to monitor uitraviolet intensity, ultraviolet light is additionally provided in steel framework 84
Strength investigation instrument 12.Meanwhile personnel are placed or taken out apparatus for ultraviolet light treamtent 8 in order to facilitate the operation, are also set on steel framework 84
It is equipped with apparatus for ultraviolet light treamtent handle 13.
The liquefied natural gas receiving station seawater of the utility model fetches water microbial treatment device when in use, including following step
Suddenly：
1) seawater is entered after the filtering of thick trash rack 10 in water intaking closed conduit 2 by seawater intake 1, and seawater pressure 0.2~
0.4MPa, water withdrawal are determined according to ORV heat exchange demand；
2) seawater through fetch water closed conduit 2 flow into water plant 3 and enter each lead 4, then flow sequentially through bulkhgead gate 5,
Enter apparatus for ultraviolet light treamtent 8 after blocking dirty fine fack 61 and the filtering of rotary sieve 7；
3) apparatus for ultraviolet light treamtent 8 carries out dissipation to the microorganism in seawater；
4) it flows into sea water pump 9 by filtering, dissipation treated seawater, and passes through seawer outlet pipelined to ORV.
The various embodiments described above are merely to illustrate the utility model, wherein the structure of each component, connection type and manufacture craft
Etc. may be changed, every equivalents carried out on the basis of technical solutions of the utility model and improvement,
It should not exclude except the scope of protection of the utility model.
Claims (6)
- The microbial treatment device 1. a kind of liquefied natural gas receiving station seawater is fetched water, which is characterized in that the device includes that seawater takes The mouth of a river, water intaking closed conduit and water plant, the seawater intake are connected by the water intaking closed conduit with the water plant； Several independent leads are separated by partition board in the water plant, each lead is interior along the flowing side of seawater To setting gradually bulkhgead gate, sewage disposal apparatus, rotary sieve, apparatus for ultraviolet light treamtent and sea water pump, each sea water pump Outlet is connected to seawater open-frame type gasifier through seawer outlet pipeline.
- The microbial treatment device 2. a kind of liquefied natural gas receiving station as described in claim 1 seawater is fetched water, which is characterized in that Seawater intake front end is provided with thick trash rack together, grizzly bar spacing is 200mm, and the thick trash rack uses sea water resistance The stainless steel of corrosion manufactures.
- The microbial treatment device 3. a kind of liquefied natural gas receiving station as described in claim 1 seawater is fetched water, which is characterized in that The sewage disposal apparatus includes blocking dirty fine fack and mobile automatic dirt removing machine, described to block dirty fine fack and be set to the bulkhgead gate Later, grizzly bar spacing is 50mm, described to block stainless steel manufacture of the dirty fine fack using seawater corrosion resistance；The movable type is certainly Dynamic trash blocks dirty fine fack and matches with described, for removing pollutant and rubbish in the lead.
- The microbial treatment device 4. a kind of liquefied natural gas receiving station as described in claim 1 seawater is fetched water, which is characterized in that It is respectively provided with by seawater flow regulating valve on the seawer outlet pipeline being connect with each sea water pump.
- The microbial treatment device 5. a kind of liquefied natural gas receiving station as described in claim 1 seawater is fetched water, which is characterized in that The apparatus for ultraviolet light treamtent includes ultraviolet radiator, ultraviolet casing pipe, ultraviolet casing pipe fixation steel plate and steel framework；The steel Array arranges multiple ultraviolet radiator in frame processed, and the ultraviolet casing pipe is arranged outside each ultraviolet radiator；It is several Ultraviolet casing pipe fixation steel plate compartment of terrain is arranged in the steel framework, and the ultraviolet casing pipe is fixed on described ultraviolet On thread casing fixation steel plate.
- The microbial treatment device 6. a kind of liquefied natural gas receiving station as described in claim 1 seawater is fetched water, which is characterized in that It is additionally provided with uitraviolet intensity detection in steel framework, apparatus for ultraviolet light treamtent handle is additionally provided on the steel framework Hand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820287198.XU CN207987874U (en) | 2018-03-01 | 2018-03-01 | A kind of liquefied natural gas receiving station seawater water intaking microbial treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820287198.XU CN207987874U (en) | 2018-03-01 | 2018-03-01 | A kind of liquefied natural gas receiving station seawater water intaking microbial treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207987874U true CN207987874U (en) | 2018-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820287198.XU Active CN207987874U (en) | 2018-03-01 | 2018-03-01 | A kind of liquefied natural gas receiving station seawater water intaking microbial treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207987874U (en) |
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2018
- 2018-03-01 CN CN201820287198.XU patent/CN207987874U/en active Active
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