CN105485515B - A kind of LNG receiving stations loading system and charging method - Google Patents
A kind of LNG receiving stations loading system and charging method Download PDFInfo
- Publication number
- CN105485515B CN105485515B CN201510915915.XA CN201510915915A CN105485515B CN 105485515 B CN105485515 B CN 105485515B CN 201510915915 A CN201510915915 A CN 201510915915A CN 105485515 B CN105485515 B CN 105485515B
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- lng
- bog
- tank
- charging machine
- filling unit
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Classifications
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- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- 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
- F17C13/04—Arrangement or mounting of valves
-
- 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
- F17C5/002—Automated filling apparatus
- F17C5/007—Automated filling apparatus for individual gas tanks or containers, e.g. in vehicles
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
-
- 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
- F17C2265/06—Fluid distribution
- F17C2265/061—Fluid distribution for supply of supplying vehicles
Abstract
The present invention relates to a kind of LNG receiving stations loading system and charging method, it includes LNG storage tank, LNG low-lift pumps, cryogenic piping, charging machine, LNG stream adjustable valve, cold insulation circulating line, LNG return flows regulating valve, BOG pipelines and LNG tank car entrucking house stewards；LNG low-lift pumps are provided with LNG storage tank, LNG low pressure pump outlets are through cryogenic piping connection filling unit；Filling unit is made up of some charging machines, each charging machine is connected on cryogenic piping side by side, the cryogenic piping end for filling unit is connected with cold insulation circulating line one end, the cold insulation circulating line other end is connected with LNG storage tank, fuel tank is connected with charging machine in automobile, the port of export of each charging machine is connected in parallel on BOG pipelines through BOG branch pipe(tube)s, BOG pipe outlets connection BOG recovery systems or outward defeated system；LNG storage tank is directly connected to BOG recovery systems or outer defeated system through BOG pipelines；LNG low pressure pump outlets connect LNG tank cars through LNG tank car entruckings house steward；The present invention realizes filling to the filling of aerating vehicle and LNG tank cars.
Description
Technical field
The present invention relates to a kind of LNG loading systems and charging method, used in energy field especially with regard to a kind of
LNG receiving stations loading system and charging method.
Background technology
At present, China's natural gas market is fast-developing, and the shared ratio in energy supply of natural gas increases sharply, naturally
The insufficient contradiction of gas is more and more obvious.LNG (liquefied natural gas) yield is just grown at top speed with every year about 12% speed, into
To increase one of most swift and violent energy industry, LNG receiving stations have also started construction upsurge.
The outer defeated and LNG tank cars of processing mode gasification of the LNG of general LNG receiving stations are outer defeated two kinds.Defeated outside gasification is to store up
LNG in tank is delivered to condenser and is flashed after the BOG (boil-off gas) for obtaining is mixed into high pressure by low-lift pump in tank
The outer defeated house steward of pump, by ORV (open-frame type gasifier), SCV (submerged combustion gasifier), IFV, (intermediate medium gasifies afterwards
Device) etc. gasifier by high pressure LNG gasification, be fed directly to gas line network after reaching outside gas pressure requirements.It is defeated outside LNG tank cars to be
LNG is delivered to by the outer defeated house steward of tank car by low-lift pump in tank, arm is filled by LNG and BOG is returned gas arm and is connected with LNG tank cars, LNG
The volume of tank car storage tank is about 52.6-56m3, the pressure of storage tank is generally when each receiving station requires that LNG tank cars enter the station at present
0.15-0.35MPa, while the BOG for not receiving tank car returns gas.
Do not account for being realized in receiving station in the outer transmission methods of the traditional LNG of above two in the area of port or neighboring area with
The technological process that LNG is filled as the engineering truck of fuel.In sum, on the one hand conventional art causes low in receiving station station
The situation for pressing the utilization of section LNG limited, the LNG fuel vehicles and LNG tank cars in the area of following port are also more and more in addition, original
Technique does not account for the actual demand that LNG is filled as fuel directly to automobile, with technical limitation.
The content of the invention
Regarding to the issue above, it is an object of the invention to provide a kind of LNG receiving stations loading system and charging method, its is effective
LNG is make use of, is realized filling to the filling of aerating vehicle and LNG tank cars.
To achieve the above object, the present invention takes following technical scheme：A kind of LNG receiving stations loading system, its feature exists
In：It includes that LNG storage tank, LNG low-lift pumps, cryogenic piping, filling unit, LNG stream adjustable valve, cold insulation circulating line, LNG are returned
Backflow adjustable valve and LNG tank car entrucking house stewards；The LNG low-lift pumps, the LNG low-lift pumps are provided with the LNG storage tank
Outlet connects the filling unit through the cryogenic piping；The filling unit is made up of some charging machines, each charging machine
It is connected to side by side on the cryogenic piping, is connecting the cryogenic piping between the LNG low-lift pumps and the filling unit
On be provided with the LNG stream adjustable valve, the cryogenic piping end and the cold insulation circulating line one of the filling unit
End connection, the cold insulation circulating line other end is connected with the LNG storage tank, is provided with the cold insulation circulating line described
LNG return flow regulating valves；Fuel tank is connected with the charging machine in automobile, and the LNG storage tank directly connects through the BOG pipelines
Connect BOG recovery systems or outer defeated system；The LNG low pressure pump outlets connect LNG tank cars through the LNG tank cars entrucking house steward.
Preferably, the port of export of each charging machine is connected in parallel on the BOG pipelines through BOG branch pipe(tube)s, the BOG
Pipe outlet connects the BOG recovery systems or outer defeated system；
Preferably, described between each BOG branch pipe(tube)s meet and the BOG recovery systems or outer defeated system
BOG surge tanks and BOG return flow regulating valves are also disposed with BOG pipelines, the BOG bufferings pot bottom is provided with liquid collecting
Tank.
Preferably, be provided with the cryogenic piping between the LNG low-lift pumps and the filling unit thermometer and
Pressure gauge.
Preferably, the BOG between the BOG return flows regulating valve and the BOG recovery systems or outer defeated system
Thermometer and pressure gauge are provided with pipeline.
Preferably, the entrance point and the port of export of each charging machine in the filling unit are fitted with valve.
The LNG receiving stations charging method of a kind of loading system, it is characterised in that comprise the following steps：
1) LNG tank cars entrucking house steward is directly connected to LNG tank cars, adjusts LNG stream adjustable valve, makes the LNG in LNG storage tank
Pumped out by LNG low-lift pumps, it is filling directly to LNG tank cars through LNG tank car entrucking house stewards；
2) fuel tank in automobile is connected with any charging machine, the BOG gases for having HTHP in automobile in fuel tank, vapour
BOG gases in car in fuel tank enter in corresponding charging machine；
3) the BOG gases in charging machine enter in BOG branch pipe(tube)s through the port of export of charging machine, and BOG gases pass through BOG branch pipes
Road flows into BOG pipelines, by BOG surge tanks and BOG return flow regulating valves in BOG pipelines；
4) by after the regulation valve regulation of BOG return flows, BOG gases enter BOG recovery systems or outer defeated system, storage tank
The LNG that interior LNG low-lift pumps are pumped out enters in filling unit through low pressure pipeline；
5) LNG in charging machine adds under the common regulation of LNG stream adjustable valve and LNG return flow regulating valves to automobile
Note, while the LNG not filled is returned in storage tank by cold insulation circulating line, completes to fill LNG to automobile.
Due to taking above technical scheme, it has advantages below to the present invention：1st, the present invention utilizes 30,000 sides/160,000 side/22
Low pressure LNG pump in the storage tank of all places is realized to the filling of aerating vehicle and the filling process of LNG tank cars.2nd, the present invention is both at utmost
The energy of low pressure LNG is make use of, LNG is opened again and is received the outer defeated new approaches for utilizing.3rd, The present invention reduces individually construction LNG
The correlative charges of filling station, while accelerating the application of clean energy resource.
Brief description of the drawings
Fig. 1 is the process flow diagram of LNG receiving stations of the present invention loading system.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, the present invention provides a kind of LNG receiving stations loading systems, it include LNG storage tank 1, LNG low-lift pumps 2,
Cryogenic piping 3, charging machine 4, LNG stream adjustable valve 5, cold insulation circulating line 6, LNG return flows regulating valve 7, BOG pipelines 8,
BOG surge tanks 9, BOG return flows regulating valve 10, liquid collecting tank 11 and LNG tank car entruckings house steward 12.It is provided with LNG storage tank 1
LNG low-lift pumps 2, LNG low-lift pumps 2 are exported through the connection filling unit of cryogenic piping 3, and filling unit is made up of some charging machines 4, respectively
Charging machine 4 is connected on cryogenic piping 3 side by side, is set on the cryogenic piping 3 between connection LNG low-lift pumps 2 and filling unit
There is LNG stream adjustable valve 5, the end of cryogenic piping 3 for filling unit is connected with the one end of cold insulation circulating line 6, cold insulation circulating line 6
The other end is connected with LNG storage tank 1, and LNG return flows regulating valve 7 is provided with cold insulation circulating line 6, is by each charging machine 4
Automobile fills LNG；In automobile in fuel tank HTHP BOG gases, under pressure differential, BOG gases flow into charging machine 4 in,
The port of export of each charging machine 4 is connected in parallel on BOG pipelines 8 through BOG branch pipe(tube)s, and the port of export of BOG pipelines 8 connection BOG reclaims system
System or outer defeated system, on the BOG pipelines 8 between each BOG branch pipe(tube)s meet and BOG recovery systems or outer defeated system also
BOG surge tanks 9 and BOG return flows regulating valve 10 are disposed with, the bottom of BOG surge tanks 9 is provided with liquid collecting tank 11.LNG is stored up
Tank 1 is directly connected to BOG recovery systems or outer defeated system through BOG pipelines 8；LNG low-lift pumps 2 are exported through LNG tank car entrucking house stewards
12 connection LNG tank cars.When LNG tank cars are filling, the LNG pumped out by LNG low-lift pumps 2 through low LNG tank cars entrucking house steward 12 directly to
LNG tank cars are filling.During automobile filling LNG, there are the BOG gases of HTHP, under pressure differential, BOG gas in automobile in fuel tank
Body is introduced into charging machine 4, and BOG pipelines 8 are entered through BOG branch pipe(tube)s from the port of export of charging machine 4, is reduced by BOG surge tanks 9
The pressure of BOG gases, liquid collecting tank 11 collects the liquid in BOG surge tanks 9, the regulation BOG gases of BOG return flows regulating valve 10
Flow and pressure, the pressure in automotive fuel tank are higher, and substantial amounts of high pressure-temperature BOG gases will return to receiving station's BOG treatment
In system, BOG surge tanks 9 and liquid collecting tank 11 are set up in BOG returning air-flow journeys, it is to avoid the BOG of high pressure-temperature is to original pipeline
And the impact of full factory low pressure BOG systems；The BOG gases in charging machine 4 are transported into BOG by BOG gases by BOG pipelines 8 to return
Receipts system or outer defeated system；The low 0.4-0.5MPaG of pressure in the balance pressure ratio charging machine 4 in fuel tank in automobile
When, start to fill LNG to automobile, the LNG pumped out by LNG low-lift pumps 2 through cryogenic piping 3 in the case where LNG stream adjustable valve 5 is acted on,
Into in charging machine 4, charging machine 4 is carried out filling LNG to automobile, and the LNG not filled is adjusted in LNG return flows regulating valve 7
Under, returned in storage tank 1 by cold insulation circulating line 6, complete the filling to automobile.
In above-described embodiment, the He of thermometer 13 is provided with the cryogenic piping 3 between LNG low-lift pumps 2 and filling unit
Pressure gauge 14, for the temperature and pressure of LNG in real-time monitoring cryogenic piping 3.
In the various embodiments described above, between BOG return flows regulating valve 10 and BOG recovery systems or outer defeated system
Thermometer 13 and pressure gauge 14 are provided with BOG pipelines 8, the temperature and pressure of BOG gases in real-time monitoring BOG pipelines 8.
In the various embodiments described above, the entrance point and the port of export of each charging machine 4 in filling unit are fitted with valve 15,
For the connection and disconnection of each charging machine 4 and cryogenic piping 3, in order to avoid charging machine 4 breaks down, LNG is caused to leak.
In the various embodiments described above, BOG recovery systems or outer defeated system are to reclaim in automobile in fuel tank and storage tank 1
BOG gases, while having the effect for balancing whole loading system pressure.
The present invention is based on above-mentioned loading system, also provides a kind of to LNG tank cars and the charging method of automobile, and its step is such as
Under：
1) LNG tank cars entrucking house steward 12 is directly connected to LNG tank cars, regulation LNG stream adjustable valve 5, makes in LNG storage tank 1
LNG pumped out by LNG low-lift pumps 2, it is filling directly to LNG tank cars through LNG tank car entruckings house steward 12；
2) fuel tank in automobile is connected with any charging machine 4, the BOG gases for having HTHP in automobile in fuel tank,
BOG gases in automobile in fuel tank enter in corresponding charging machine 4；
3) the BOG gases in charging machine 4 enter in BOG branch pipe(tube)s through the port of export of charging machine 4, and BOG gases are by BOG branch
Pipeline flows into BOG pipelines 8, by BOG surge tanks 9 and BOG return flows regulating valve 10 in BOG pipelines 8；
4) by after the regulation of BOG return flows regulating valve 10, BOG gases enter BOG recovery systems or outer defeated system, storage
The LNG that LNG low-lift pumps 2 in tank 1 are pumped out enters in filling unit through low pressure pipeline 3；
5) LNG in charging machine 4 is realized under the common regulation of LNG stream adjustable valve 5 and LNG return flows regulating valve 7
Charging machine 4 is filled to automobile, while the LNG not filled is returned in storage tank 1 by cold insulation circulating line 6, completes to add to automobile
Note LNG.
The various embodiments described above are merely to illustrate the present invention, and the structure of each part, size, set location and shape all can be
It is varied from, on the basis of technical solution of the present invention, all improvement carried out to individual part according to the principle of the invention and waits
With conversion, should not exclude outside protection scope of the present invention.
Claims (7)
1. a kind of LNG receiving stations loading system, it is characterised in that：It includes LNG storage tank, LNG low-lift pumps, cryogenic piping, filling
Unit, LNG stream adjustable valve, cold insulation circulating line, LNG return flows regulating valve and LNG tank car entrucking house stewards；The LNG storages
The LNG low-lift pumps are provided with tank, the LNG low pressure pump outlets connect the filling unit through the cryogenic piping；It is described
Filling unit is made up of some charging machines, and each charging machine is connected on the cryogenic piping side by side, and connecting, the LNG is low
The LNG stream adjustable valve is provided with the cryogenic piping between press pump and the filling unit, the filling unit
The cryogenic piping end is connected with described cold insulation circulating line one end, and the cold insulation circulating line other end is stored up with the LNG
Tank is connected, and the LNG return flows regulating valve is provided with the cold insulation circulating line；Fuel tank and the filling in automobile
Machine is connected, and the LNG storage tank is directly connected to BOG recovery systems or outer defeated system through BOG pipelines；The LNG low pressure pump outlets
LNG tank cars are connected through the LNG tank cars entrucking house steward.
2. a kind of LNG receiving stations loading system as claimed in claim 1, it is characterised in that：The port of export of each charging machine
It is connected in parallel on the BOG pipelines through BOG branch pipe(tube)s, the BOG pipe outlets connect the BOG recovery systems or outer defeated
System.
3. a kind of LNG receiving stations loading system as claimed in claim 2, it is characterised in that：Converge in each BOG branch pipe(tube)s
BOG surge tanks are also disposed with the BOG pipelines between place and the BOG recovery systems or outer defeated system and BOG is returned
Backflow adjustable valve, the BOG bufferings pot bottom is provided with liquid collecting tank.
4. a kind of LNG receiving stations loading system as described in claim any one of 1-3, it is characterised in that：The LNG low-lift pumps
And it is provided with thermometer and pressure gauge on the cryogenic piping between the filling unit.
5. a kind of LNG receiving stations loading system as described in claim any one of 1-3, it is characterised in that：The BOG returns to stream
Thermometer and pressure gauge are provided with the BOG pipelines between adjustable valve and the BOG recovery systems or outer defeated system.
6. a kind of LNG receiving stations loading system as described in claim any one of 1-3, it is characterised in that：The filling unit
The entrance point and the port of export of each interior charging machine are fitted with valve.
7. a kind of LNG receiving stations charging method of the loading system as described in claim any one of 1-6, it is characterised in that including with
Lower step：
1) LNG tank cars entrucking house steward is directly connected to LNG tank cars, adjusts LNG stream adjustable valve, makes the LNG quilts in LNG storage tank
LNG low-lift pumps are pumped out, filling directly to LNG tank cars through LNG tank car entrucking house stewards；
2) fuel tank in automobile is connected with any charging machine, the BOG gases for having HTHP in automobile in fuel tank, in automobile
BOG gases in fuel tank enter in corresponding charging machine；
3) the BOG gases in charging machine enter in BOG branch pipe(tube)s through the port of export of charging machine, and BOG gases pass through BOG branch pipe(tube) streams
Enter BOG pipelines, by BOG surge tanks and BOG return flow regulating valves in BOG pipelines；
4) by after the regulation valve regulation of BOG return flows, BOG gases enter BOG recovery systems or outer defeated system, in storage tank
The LNG that LNG low-lift pumps are pumped out enters in filling unit through low pressure pipeline；
5) LNG in charging machine is filled under the common regulation of LNG stream adjustable valve and LNG return flow regulating valves to automobile,
The LNG not filled simultaneously is returned in storage tank by cold insulation circulating line, completes to fill LNG to automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915915.XA CN105485515B (en) | 2015-12-10 | 2015-12-10 | A kind of LNG receiving stations loading system and charging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915915.XA CN105485515B (en) | 2015-12-10 | 2015-12-10 | A kind of LNG receiving stations loading system and charging method |
Publications (2)
| Publication Number | Publication Date |
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| CN105485515A CN105485515A (en) | 2016-04-13 |
| CN105485515B true CN105485515B (en) | 2017-06-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388028B (en) * | 2017-08-05 | 2022-12-27 | 苏州西派格液压科技有限公司 | Synchronous filling system of many LNG tank casees |
| CN108679444A (en) * | 2018-06-06 | 2018-10-19 | 张家港艾普能源装备有限公司 | LNG storage tank is utilizing device |
| CN108980614B (en) * | 2018-08-20 | 2024-04-09 | 克拉玛依市富城天然气有限责任公司 | Oil testing, gas testing and recycling integrated natural gas treatment system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3015660B2 (en) * | 1994-04-06 | 2000-03-06 | 富士車輌株式会社 | Liquefied gas filling device and gas station using the same |
| JP2005265067A (en) * | 2004-03-18 | 2005-09-29 | Tokiko Techno Kk | Gas supply device |
| CN102155615B (en) * | 2011-01-24 | 2014-03-19 | 成都深冷科技有限公司 | LNG (liquefied natural gas) pump-free air-entrapping method with BOG (boil off gas) recycling function and LNG pump-free air-entrapping device |
| CN202580604U (en) * | 2012-05-29 | 2012-12-05 | 成都华气厚普机电设备股份有限公司 | Improved LNG (Liquefied Natural Gas) standard pump skid system |
| CN203656568U (en) * | 2013-12-13 | 2014-06-18 | 青岛捷能高新技术有限责任公司 | LNG (Liquefied Natural Gas) loading system for automobile |
| CN204345267U (en) * | 2014-10-17 | 2015-05-20 | 西南石油大学 | A kind of small-sized LNG gas station storage tank BOG recovering device |
| CN205278760U (en) * | 2015-12-10 | 2016-06-01 | 中国海洋石油总公司 | Filling system of LNG accepting station |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC Gas & Power Group Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC Gas & Power Group Patentee before: China National Offshore Oil Corporation |