CN106764410A - A kind of LNG receiving stations terminal boil-off gas recovery system - Google Patents
A kind of LNG receiving stations terminal boil-off gas recovery system Download PDFInfo
- Publication number
- CN106764410A CN106764410A CN201611250504.4A CN201611250504A CN106764410A CN 106764410 A CN106764410 A CN 106764410A CN 201611250504 A CN201611250504 A CN 201611250504A CN 106764410 A CN106764410 A CN 106764410A
- Authority
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- Prior art keywords
- water pipe
- cooling water
- gas
- cooler
- recovery system
- 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.)
- Pending
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- 239000000498 cooling water Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 43
- 239000003949 liquefied natural gas Substances 0.000 abstract description 29
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000005380 natural gas recovery Methods 0.000 abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 25
- 239000003345 natural gas Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0201—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using only internal refrigeration means, i.e. without external refrigeration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
- F17C2227/0142—Pumps with specified pump type, e.g. piston or impulsive type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0337—Heat exchange with the fluid by cooling
- F17C2227/0341—Heat exchange with the fluid by cooling using another fluid
- F17C2227/0348—Water cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0388—Localisation of heat exchange separate
- F17C2227/039—Localisation of heat exchange separate on the pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/031—Dealing with losses due to heat transfer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
- F17C2265/033—Treating the boil-off by recovery with cooling
- F17C2265/034—Treating the boil-off by recovery with cooling with condensing the gas phase
Abstract
The present invention provides a kind of LNG receiving stations terminal boil-off gas recovery system,Including outlet pipe,Cooling water pipe,Liquefied pot,Circulating pump,Backflow water pipe,Water pump,Liquid natural letter shoot and cooler,Outlet pipe is fixed on cooling water tank annular side lower position,Outlet pipe lower end connects cooling water pipe,Cooling water pipe is arranged in liquefied pot,Circulating pump is arranged on backflow water pipe,Backflow water pipe lower end connection cooling water pipe,Backflow water pipe upper end connection cooling water tank annular side upper position,The design achieves the fast liquefying of boil-off gas,Improve liquefaction efficiency,Cooler is arranged in cooler bin,Liquid natural letter shoot upper end connects cooler,Liquid natural letter shoot lower end is connected with LNG storage tank,Water pump is arranged on liquid natural letter shoot,The design improves the recovery utilization rate of liquefied natural gas,Simple structure of the present invention,It is easy to operate,Natural gas recovery utilization rate is high,Energy consumption is low.
Description
Technical field
The present invention is a kind of LNG receiving stations terminal boil-off gas recovery system, belongs to liquefied natural gas facility field.
Background technology
Natural gas refers to a naturally occurring tangential gas in nature, including in atmospheric thermodynamics, hydrosphere and lithosphere it is various from
The gas that right process is formed.And the definition of people's general for a long time " natural gas ", it is to determine from the narrow sense of energy point of view
Justice, refers to the mixture of the natural hydro carbons contained in stratum and non-hydrocarbon gases.Its composition contains nonhydrocarbon based on hydro carbons
Gas, with the fast development in China's natural gas market, the shared ratio in energy supply of natural gas increases sharply, natural gas
Insufficient contradiction is more and more obvious.Liquefied natural gas (hereinafter referred to as " LNG ") yield is just increased with every year about 12% high speed
Long, as one of most swift and violent energy industry is increased, LNG receiving stations have also started construction upsurge.
Boil-off gas recovery system complex structure of the prior art, operation inconvenience, and vapor liquefaction efficiency is not high；It is existing
There is the boil-off gas recovery system removal process in technology double evaporation-cooling easily occur, natural gas recovery utilization rate is not high, so
Urgent need wants a kind of LNG receiving stations terminal boil-off gas recovery system to solve above-mentioned produced problem.
The content of the invention
In view of the shortcomings of the prior art, reclaimed it is an object of the present invention to provide a kind of LNG receiving stations terminal boil-off gas
System, to solve the problems, such as to be proposed in above-mentioned background technology, simple structure of the present invention is easy to operate, natural gas recovery utilization rate
Height, energy consumption is low.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of LNG receiving stations terminal is steamed
Hair gas recovery system, including apparatus main body, gas liquefaction mechanism and cooling for reflux mechanism, described device main body include LNG
Storage tank, gas pipeline and air blower, institute's gas pipeline lower end are arranged on LNG storage tank upper surface, the gas pipeline upper end
It is connected with liquefied pot annular side top, the air blower is assemblied on gas pipeline, the gas liquefaction mechanism includes cold
But water tank, outlet pipe, cooling water pipe, liquefied pot, connecting tube, circulating pump and backflow water pipe, the cooling water tank is arranged on liquid
Change tank upper surface medium position, the outlet pipe is fixed on cooling water tank annular side lower position, and the outlet pipe lower end connects
Cooling water pipe is connect, the cooling water pipe is arranged in liquefied pot, and the connecting tube is arranged on liquefied pot lower surface, and connecting tube
Lower end is connected with cooler bin, and the circulating pump is arranged on backflow water pipe, the backflow water pipe lower end connection cooling water pipe, institute
Backflow water pipe upper end connection cooling water tank annular side upper position is stated, the cooling for reflux mechanism includes cooler bin, water pump, liquid
State gas delivering pipe and cooler, the cooler are arranged in cooler bin, and the cooler upper end is connected with connecting tube
Connect, the liquid natural letter shoot upper end connects cooler, and the liquid natural letter shoot lower end is connected with LNG storage tank
Connect, the water pump is arranged on liquid natural letter shoot.
Further, more than six groups louvres, six groups of the above louvres are offered on the cooling water tank upper surface
Equidistant arrangement is on cooling water tank upper surface.
Further, the cooling water pipe is twist arranged in liquefied pot.
Further, vacuum insulation panel is installed on the cooler bin annular side.
Further, the circulating pump, air blower and water pump are connected by connecting line with external power supply.
Further, the liquid natural letter shoot is provided with sealing ring with cooler bin joint.
Beneficial effects of the present invention：A kind of LNG receiving stations terminal boil-off gas recovery system of the invention, because the present invention adds
Cooling water tank, outlet pipe, cooling water pipe, liquefied pot, circulating pump and backflow water pipe are added, the design achieves boil-off gas
Fast liquefying, improves liquefaction efficiency, while reducing energy consumption, solves original boil-off gas recovery system complex structure, behaviour
Make inconvenience, and vapor liquefaction efficiency problem not high.
Because the present invention with the addition of water pump, liquid natural letter shoot and cooler, the design improves liquefied natural gas
Recovery utilization rate, solve original boil-off gas recovery system removal process and double evaporation-cooling easily occur, natural gas reclaims profit
With rate problem not high.
Because the present invention with the addition of louvre, the water being designed in cooling water tank is radiated, because the present invention with the addition of
Vacuum insulation panel, the design improves the thermal insulation of cooler bin, and because the present invention with the addition of sealing ring, the design improves the present invention
Sealing, simple structure of the present invention is easy to operate, and natural gas recovery utilization rate is high, and energy consumption is low.
Brief description of the drawings
The detailed description made to non-limiting example with reference to the following drawings by reading, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of LNG receiving stations terminal boil-off gas recovery system of the invention；
Fig. 2 is the structural representation of gas liquefaction mechanism in a kind of LNG receiving stations terminal boil-off gas recovery system of the invention
Figure；
Fig. 3 is the structural representation of cooling for reflux mechanism in a kind of LNG receiving stations terminal boil-off gas recovery system of the invention
Figure；
In figure：1- gas liquefactions mechanism, 2- cooling for reflux mechanism, 3-LNG storage tanks, 4- gas pipelines, 5- air blowers, 11-
Cooling water tank, 12- outlet pipes, 13- cooling water pipes, 14- liquefied pots, 15- connecting tubes, 16- circulating pumps, 17- backflows water pipe, 21-
Cooler bin, 22- water pumps, 23- liquid naturals letter shoot, 24- coolers.
Specific embodiment
For technological means, creation characteristic, reached purpose and effect for making present invention realization are easy to understand, with reference to
Specific embodiment, is expanded on further the present invention.
Fig. 1-Fig. 3 is referred to, the present invention provides a kind of technical scheme：A kind of LNG receiving stations terminal boil-off gas reclaim system
System, including apparatus main body, gas liquefaction mechanism 1 and cooling for reflux mechanism 2, apparatus main body include LNG storage tank 3, gas pipeline 4
And air blower 5, the lower end of institute's gas pipeline 4 is on the upper surface of LNG storage tank 3, and the upper end of gas pipeline 4 is annular with liquefied pot 14
Side surface upper part is connected, and air blower 5 is assemblied on gas pipeline 4.
Gas liquefaction mechanism 1 includes cooling water tank 11, outlet pipe 12, cooling water pipe 13, liquefied pot 14, connecting tube 15, follows
Ring pump 16 and backflow water pipe 17, cooling water tank 11 are arranged on the upper surface medium position of liquefied pot 14, and outlet pipe 12 is fixed on cold
But the annular side lower position of water tank 11, the lower end of outlet pipe 12 connection cooling water pipe 13, cooling water pipe 13 is arranged on liquefied pot 14
Interior, connecting tube 15 is arranged on the lower surface of liquefied pot 14, and the lower end of connecting tube 15 is connected with cooler bin 21, and circulating pump 16 is installed
On backflow water pipe 17, backflow water pipe 17 lower end connection cooling water pipe 13, the annular of backflow water pipe 17 upper end connection cooling water tank 11
Side surface upper part position, the design achieves the fast liquefying of boil-off gas, improves liquefaction efficiency, while reducing energy consumption.
Cooling for reflux mechanism 2 includes cooler bin 21, water pump 22, liquid natural letter shoot 23 and cooler 24, cooling
Device 24 is arranged in cooler bin 21, and the upper end of cooler 24 is connected with connecting tube 15, the connection of the upper end of liquid natural letter shoot 23
Cooler 24, the lower end of liquid natural letter shoot 23 is connected with LNG storage tank 3, and water pump 22 is arranged on liquid natural letter shoot
On 23, the design improves the recovery utilization rate of liquefied natural gas.
More than six groups louvres are offered on the upper surface of cooling water tank 11, more than six groups louvre equidistant arrangements are in cooling water
On the upper surface of case 11, cooling water pipe 13 is twist arranged in liquefied pot 14, is provided with the annular side of cooler bin 21 true
Empty thermal insulation board, circulating pump 16, air blower 5 and water pump 22 are connected by connecting line with external power supply, and liquified natural gas is defeated
Send pipe 23 that sealing ring is installed with the joint of cooler bin 21.
Specific embodiment：When being used, operating personnel is checked the present invention first, checks for lacking
Fall into, if there is cannot just carry out using if defect, now need to notify that maintenance personal is repaired, if there is no asking
Can be carried out using if topic, when using, operating personnel's operation air blower 5, air blower 5 produces negative pressure, and by LNG storage tank 3
The gas of interior evaporation is entered in liquefied pot 14 by gas pipeline 4, and operating personnel's operation circulating pump 16, circulating pump 16 will be cooled down
Water in water tank 11 enters cooling water pipe 13 by outlet pipe 12, and the water in cooling water pipe 13 absorbs the heat in boil-off gas,
So that boil-off gas liquefy, the water in cooling water pipe 13 is entered in cooling water tank 11 after absorbing heat by the water pipe 17 that flows back,
So as to improve the liquefaction efficiency of boil-off gas, energy consumption is reduced, realize recycling for water resource.
Natural gas after liquefaction enters cooler 24 by connecting tube 15, and cooler 24 is further to the natural gas after liquefaction
Lowered the temperature, and by the natural gas transportation after cooling to liquefied natural gas delivery pipe 23, operating personnel runs water pump 22, water pump 22
By in the natural gas transportation after the liquefaction in liquefied natural gas delivery pipe 23 to LNG storage tank 3, reused, so as to avoid
The situation that natural gas after liquefaction evaporates again occurs, and improves the utilization rate of the natural gas after liquefaction.
General principle of the invention and principal character and advantages of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from it is of the invention spirit or
In the case of essential characteristic, the present invention can be in other specific forms realized.Therefore, no matter from the point of view of which point, all should be by
Embodiment regards exemplary as, and is nonrestrictive, and the scope of the present invention is by appended claims rather than above stating
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (6)
1. a kind of LNG receiving stations terminal boil-off gas recovery system, including apparatus main body, gas liquefaction mechanism (1) and cooling
Backflow mechanism (2), it is characterised in that：Described device main body includes LNG storage tank (3), gas pipeline (4) and air blower (5), institute
Gas pipeline (4) lower end is arranged on LNG storage tank (3) upper surface, gas pipeline (4) upper end and liquefied pot (14) annular side
Face top is connected, and the air blower (5) is assemblied on gas pipeline (4)；
The gas liquefaction mechanism (1) includes cooling water tank (11), outlet pipe (12), cooling water pipe (13), liquefied pot (14), company
Adapter (15), circulating pump (16) and backflow water pipe (17), the cooling water tank (11) are arranged in liquefied pot (14) upper surface
Portion position, the outlet pipe (12) is fixed on cooling water tank (11) annular side lower position, and outlet pipe (12) lower end connects
Cooling water pipe (13) is connect, in liquefied pot (14), the connecting tube (15) is installed in liquefied pot for the cooling water pipe (13)
(14) on lower surface, and connecting tube (15) lower end is connected with cooler bin (21), and the circulating pump (16) is installed in backflow water pipe
(17) on, described backflow water pipe (17) lower end connects cooling water pipe (13), backflow water pipe (17) upper end connection cooling water tank
(11) annular side upper position；
The cooling for reflux mechanism (2) includes cooler bin (21), water pump (22), liquid natural letter shoot (23) and cooler
(24), the cooler (24) is arranged in cooler bin (21), and cooler (24) upper end is connected with connecting tube (15), institute
State liquid natural letter shoot (23) upper end and connect cooler (24), liquid natural letter shoot (23) lower end is stored up with LNG
Tank (3) is connected, and the water pump (22) is on liquid natural letter shoot (23).
2. a kind of LNG receiving stations terminal boil-off gas recovery system according to claim 1, it is characterised in that：It is described cold
But more than six groups louvres are offered on water tank (11) upper surface, six groups of the above louvre equidistant arrangements are in cooling water tank
(11) on upper surface.
3. a kind of LNG receiving stations terminal boil-off gas recovery system according to claim 1, it is characterised in that：It is described cold
But water pipe (13) is twist arranged in liquefied pot (14).
4. a kind of LNG receiving stations terminal boil-off gas recovery system according to claim 1, it is characterised in that：It is described cold
But vacuum insulation panel is installed on case (21) annular side.
5. a kind of LNG receiving stations terminal boil-off gas recovery system according to claim 1, it is characterised in that：It is described to follow
Ring pump (16), air blower (5) and water pump (22) are connected by connecting line with external power supply.
6. a kind of LNG receiving stations terminal boil-off gas recovery system according to claim 1, it is characterised in that：The liquid
State gas delivering pipe (23) is provided with sealing ring with cooler bin (21) joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611250504.4A CN106764410A (en) | 2016-12-29 | 2016-12-29 | A kind of LNG receiving stations terminal boil-off gas recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611250504.4A CN106764410A (en) | 2016-12-29 | 2016-12-29 | A kind of LNG receiving stations terminal boil-off gas recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106764410A true CN106764410A (en) | 2017-05-31 |
Family
ID=58927677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611250504.4A Pending CN106764410A (en) | 2016-12-29 | 2016-12-29 | A kind of LNG receiving stations terminal boil-off gas recovery system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106764410A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704769A (en) * | 2022-03-22 | 2022-07-05 | 中国石油大学胜利学院 | Natural gas liquefaction storage output device |
| US11577191B1 (en) | 2021-09-09 | 2023-02-14 | ColdStream Energy IP, LLC | Portable pressure swing adsorption method and system for fuel gas conditioning |
| US11717784B1 (en) | 2020-11-10 | 2023-08-08 | Solid State Separation Holdings, LLC | Natural gas adsorptive separation system and method |
-
2016
- 2016-12-29 CN CN201611250504.4A patent/CN106764410A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11717784B1 (en) | 2020-11-10 | 2023-08-08 | Solid State Separation Holdings, LLC | Natural gas adsorptive separation system and method |
| US11577191B1 (en) | 2021-09-09 | 2023-02-14 | ColdStream Energy IP, LLC | Portable pressure swing adsorption method and system for fuel gas conditioning |
| CN114704769A (en) * | 2022-03-22 | 2022-07-05 | 中国石油大学胜利学院 | Natural gas liquefaction storage output device |
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Application publication date: 20170531 |