CN202381982U - LNG (liquefied natural gas) filling device for barge - Google Patents
LNG (liquefied natural gas) filling device for barge Download PDFInfo
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- CN202381982U CN202381982U CN2011205523750U CN201120552375U CN202381982U CN 202381982 U CN202381982 U CN 202381982U CN 2011205523750 U CN2011205523750 U CN 2011205523750U CN 201120552375 U CN201120552375 U CN 201120552375U CN 202381982 U CN202381982 U CN 202381982U
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Abstract
The utility model discloses an LNG (liquefied natural gas) filling device for a barge. The LNG filling device is characterized in that the gas filling device is integrally installed on a barge body; the gas filling device comprises a storage tank and a low temperature pump, wherein the storage tank is used for storing LNG and is located at a barge body deck; the low temperature pump provides a conveying power for the LNG; an unloading arm and a gas filling arm are also installed on the barge body; the unloading arm and a tank car are in butt joint; the unloading arm is connected with the low temperature pump through a gas conveying pipeline; the low temperature pump is connected with a first flow-meter; and the first flow-meter is communicated with the storage tank and the gas filling arm through the pipeline. The LNG filling device, provided by the utility model, has the advantages of compact structure, quickness in overall installation, simplicity in a process flow, large usable area as long as the barge area meets the area demand, broad installation area and big filling capacity of 500 cubic meters of storage capacity, can be quickly popularized in a standardization way and used for installing a mobile power boat, is flexible in later running because a rigid pipe is used to fill, is convenient to move, and has the functions of filling of the tank car and metering.
Description
Technical field
The utility model relates to LNG aerating field, specifically is a kind of aerator that utilizes the landing stage to accomplish the LNG aerating.
Background technique
Along with the LNG technology in the develop rapidly of China and use widely; The technology of LNG gas station and application are also in develop rapidly and application; Often demand is also very big: the rock gas of (1), LNG volume ratio homogenous quantities is little 625 times, uses so available automobile, train, steamer are transported to the place that does not have rock gas with LNG easily.The rock gas of international trade reaches 25% with what the liquid mode was transported; (2), the LNG efficiency of storage is high, takes up an area of few.Less investment, 10m
3The LNG storage volume just can supply one day gas for domestic use of 10,000 family residents.(3), LNG compares with gasoline as the vehicle fuel of high-quality, it has the octane value height, the capability of antidetonance is good, engine life is long, fuel cost is low, advantages such as good environmental protection.It can reduce 72% with HC in the gasoline automobile tail gas, and NOx reduces 39%, and CO reduces 90%, and SOx, Pb reduce to zero; (4), the LNG latent heat of vaporization is high, the recyclable utilization of the cold in the liquefaction process; (5), back density is very low because LNG vaporizes, and has only about half of air, has leakage to spread immediately slightly, has reduced the possibility that sets off an explosion; (6), because the LNG composition is purer, burning fully, the burning back generates carbon dioxide and water; So it is good clean fuel, help protecting environment, reduce municipal pollution; Through the deep cooling process, the sulphur composition in the rock gas is separated out, is separated with solid form, more cleans than other fuel; Greenhouse gas emissions are lower during burning, are the energy of a kind of " green ".
The high-pressure natural gas that the natural gas via overvoltage is reduced to 20MPa formation is called compressed natural gas (CNG), and CNG is stored in the high-pressure cylinder, and automobile is called the CNG automobile with this fuel; Rock gas process ultralow temperature deep cooling is called LNG Liquefied natural gas (LNG) to the liquified natural gas of-162 ℃ of formation, and LNG is stored in the low-temperature storage tank.
Usually LNG can be used for automotive fuel, and power is provided, and the LNG gas station therefore occurred; The LNG automobile has economy, safety, environmental protection, advantage such as motor-driven; Be the good developing direction of gas-fueled vehicles, utilize many favorable factors of LNG, this patent is provided for ship is carried out the gas station of LNG aerating.
The model utility content
The purpose of the utility model is at this a kind of landing stage LNG aerator to be provided, and realizes fast ship being replenished LNG through the landing stage, reaches purpose easily and efficiently.
The utility model is to realize like this; Construct a kind of landing stage LNG liquid-adding device; It is characterized in that: this aerator integral installation is on the hull of landing stage, and this aerator includes and is positioned at the storage tank that is used to store LNG on the deck in ship structure of landing stage, includes the cryopump that LNG is provided transmitting power; Unload arm and liquid adding arm also are installed on the hull of landing stage; The said arm of unloading docks with tank car, and this arm of unloading is connected with cryopump through liquid transport pipeline, and said cryopump is connected with the first flow meter, and the first flow meter is connected storage tank through pipeline, and the first flow meter is communicated with liquid adding arm through pipeline.
According to the described a kind of landing stage of the utility model LNG liquid-adding device; It is characterized in that: include the BOG recycling system; This system includes air type vaporizer B, water bath type gasifier, pressure regulating cabinet and BOG knock out drum; Wherein air type vaporizer B is communicated with storage tank, between air type vaporizer B and pressure regulating cabinet, is set side by side with water bath type gasifier, and pressure regulating cabinet is connected with the BOG knock out drum.
According to the described a kind of landing stage of the utility model LNG liquid-adding device; It is characterized in that: be provided with three cryopumps that are used for LNG is provided transmitting power in this device; This moment, three cryopumps were set up in parallel each other on supporting frame; Be provided with two storage tanks in this device, this moment, three cryopumps all were communicated with the arm of unloading, and the liquid-transport pipe-line that the arm of unloading is communicated with cryopump is provided with stop valve; And on the corresponding feed liquor branch road of each cryopump, a pneumatic valve being installed, three cryopumps arranged side by side insert the first flow meter through liquid-transport pipe-line again;
The fluid pipeline of two storage tanks is provided with pneumatic valve, and wherein the fluid pipeline of each cryopump is provided with stop valve, and the pipeline that the first flow meter is connected with liquid adding arm is provided with pneumatic valve;
Is connected with air type vaporizer C after the cryopump parallel connection wherein each other arranged side by side, and the pipeline that connects is provided with stop valve, air type vaporizer C is connected with the BOG gas holder again, and the BOG gas holder connects liquid adding arm purging mouth.
According to the described a kind of landing stage of the utility model LNG liquid-adding device, it is characterized in that: be provided with the liquid feeding control box that pipe-line system and flow process in the whole device are controlled, the liquid feeding control box is arranged on the pedal.
The advantage of the utility model is: (1) compact structure, protection (IP56 grade), explosion-proof, monitoring, fire prevention, detection, static protection are relatively good.(2), dynamical system satisfies the control requirement under the various physical states of LNG, automaticity is high, floor space is little, and is rationally distributed.(3), integral installation is quick, the site operation amount is very little, on-the-spot flexible for installation quick, pipe-line system adopts vacuum insulation, has reduced the evaporation of LNG widely.(4), technological process is very simple and direct, formed compact structure, effective area is wide, just can as long as the landing stage area satisfies.(5), erection space is wide, can standardization popularize fast, can be used for installing on the portable power ship; (6) the said liquid-adding device liquid volume added of the utility model is big, and 500 side's storage volumes adopt the hard tube liquid feeding, and the later stage goes slick, and is convenient to move, and has to tank car to fill function, has function of measuring.
Description of drawings
Fig. 1 is the utility model overall schematic.
Fig. 2-the 3rd, the utility model FB(flow block).
Fig. 4 is that the utility model structure connects schematic representation.
Fig. 5 schematic flow sheet of unloading.
Fig. 6 is an aerating process schematic representation.
Fig. 7 is the sweeping process schematic representation.
Fig. 8 is that BOG recycles schematic flow sheet.
Among the figure: 1, storage tank, 2, cryopump, 3, the arm of unloading, 4, liquid adding arm, 5, the first flow meter; 6, air type vaporizer B, 7, water bath type gasifier, 8, pressure regulating cabinet, 9, the BOG knock out drum; 10, supporting frame, 11, air type vaporizer C, 12, the BOG gas holder, 13, the liquid feeding control box; 14, second flowmeter, 15, air type vaporizer A, 16, air type vaporizer D, 17, step on and pull.
Embodiment
Make detailed explanation in the face of the utility model down:
LNG embodies many advantages as stated, and the utility model provides a kind of landing stage LNG liquid-adding device, and this aerator integral installation is on the hull of landing stage.This aerator includes and is positioned at the storage tank 1 that is used to store LNG on the deck in ship structure of landing stage, includes the cryopump 2 that LNG is provided transmitting power.As everyone knows, adopt hose operation in the LNG gas station on the road surface during liquid feeding because in the land, the operating space is big, can adopt hose operation during liquid feeding, but across the sea, the operating space is limited, so be difficult for the employing hose operation.Therefore unload arm 3 and liquid adding arm 4 also have been installed on the hull of landing stage in the described liquid-adding device of the utility model, and arm 3 is easily realized unloading and the liquid feeding process of LNG with liquid adding arm 4 through unloading.The said arm 3 of unloading docks with tank car, and this arm 3 of unloading is connected with cryopump 2 through liquid transport pipeline, and said cryopump 2 is connected with first flow meter 5, and first flow meter 5 is connected storage tank 1 through pipeline, and first flow meter 5 is communicated with liquid adding arm 4 through pipeline.
Be provided with three cryopumps 2 that are used for LNG is provided transmitting power in this device, this moment, three cryopumps 2 were set up in parallel each other on supporting frame 10.Be provided with two storage tanks 1 in this device, this moment, three cryopumps 2 all were communicated with the arm 3 of unloading, and the liquid-transport pipe-line that the arm 3 of unloading is communicated with cryopump 2 is provided with stop valve (stop valve V05).And a pneumatic valve is installed on the feed liquor branch road of each cryopump 2 correspondence (owing to be provided with three cryopumps; So each cryopump correspondence is provided with a pneumatic valve; This moment, three pneumatic valves were meant pneumatic valve AV04, pneumatic valve AV05, pneumatic valve AV06 respectively).Three cryopumps arranged side by side 2 insert first flow meter 5 through liquid-transport pipe-line again.
The fluid pipeline of two storage tanks 1 is provided with pneumatic valve (pneumatic valve AV01); Wherein the fluid pipeline of each cryopump 2 is provided with stop valve (stop valve V01, stop valve V02, stop valve V03), and the pipeline that first flow meter 5 is connected with liquid adding arm 4 is provided with pneumatic valve (pneumatic valve AV10).
Be connected with air type vaporizer C11 after cryopump 2 parallel connections wherein arranged side by side each other; And the pipeline that connects is provided with stop valve (stop valve V21); Air type vaporizer C11 is connected with BOG gas holder 12 again, and BOG gas holder 12 connects liquid adding arm 4 and purges mouth, realizes purging function.
The described liquid-adding device of the utility model comprises being provided with the BOG recycling system.This system includes air type vaporizer B 6, water bath type gasifier 7, pressure regulating cabinet 8 and BOG knock out drum 9.Wherein air type vaporizer B6 is communicated with storage tank 1, between air type vaporizer B6 and pressure regulating cabinet 8, is set side by side with water bath type gasifier 7, and pressure regulating cabinet 7 is connected with BOG knock out drum 9.
The described landing stage of the utility model LNG liquid-adding device is provided with the liquid feeding control box 13 that pipe-line system and flow process in the whole device are controlled, and liquid feeding control box 13 is arranged on the pedal 17.
Fig. 1 is the overall structure schematic representation of the utility model, and wherein air type vaporizer A15, air type vaporizer B6, air type vaporizer C11, air type vaporizer D16 coincide together.
The operating method of a kind of LNG landing stage liquid-adding device includes: the flow process of unloading, aerating flow process, sweeping process, release flow process, BOG recycle flow process.
(1) flow process of unloading: unload the LNG in the tank car to the storage tank on LNG landing stage, make LNG through cryopump from storage tank up and down liquid inlet pipe get into LNG storage tank 1, be specially:
(2) aerating flow process: the saturated liquids LNG in the LNG storage tank gives the ship aerating through metering by liquid adding arm after pressurizeing through pump.The boat-carrying air cylinder is last feed liquor with spraying, and the LNG that adds directly absorbs the heat of gas in the vehicle-mounted gas cylinder, and pressure of the inside of a bottle is reduced, and reduces emptying gas, and has improved aerating speed.
LNG is through pneumatic valve AV01, through pneumatic valve AV04 (AV05 pneumatic valve or AV06 pneumatic valve), through cryopump 2 in the storage tank; Stop valve V01 (stop valve V02 or stop valve V03) through cryopump 2 correspondences; Through first flow meter 5, through pneumatic valve AV10, liquid adding arm 4 storeships again.
(3) sweeping process: adding gas need purge at every turn; Be specially:
Storage tank 1 is through pneumatic valve AV01, through pneumatic valve AV04 (pneumatic valve AV05 or pneumatic valve AV06); Through cryopump 2, through stop valve V01 (stop valve V02 or stop valve V03), through stop valve V21; Through air type vaporizer C11, through BOG gas holder 12, the DN25 that connects liquid adding arm 4 purges mouth.
(4) release flow process: when system pressure during greater than setting value, the safety valve in the system is opened, and the gas in the delivery system reduces pressure, guarantees security of system.
(5) BOG recycles flow process: be specially:
Storage tank 1, through air type vaporizer B6, through stop valve V18 or through stop valve V20, water bath type gasifier 7, stop valve V19, through pressure regulating cabinet 8, BOG knock out drum 9, generator.
The advantage of the utility model is: (1) compact structure, protection (IP56 grade), explosion-proof, monitoring, fire prevention, detection, static protection are relatively good.(2), dynamical system satisfies the control requirement under the various physical states of LNG, automaticity is high, floor space is little, and is rationally distributed.(3), integral installation is quick, the site operation amount is very little, on-the-spot flexible for installation quick, pipe-line system adopts vacuum insulation, has reduced the evaporation of LNG widely.(4), technological process is very simple and direct, formed compact structure, effective area is wide, just can as long as the landing stage area satisfies.(5), erection space is wide, can standardization popularize fast, can be used for installing on the portable power ship; (6) the said liquid-adding device liquid volume added of the utility model is big, and 500 side's storage volumes adopt the hard tube liquid feeding, and the later stage goes slick, and is convenient to move, and has to tank car to fill function, has function of measuring.
Claims (4)
1. landing stage LNG liquid-adding device; It is characterized in that: this aerator integral installation is on the hull of landing stage; This aerator includes and is positioned at the storage tank (1) that is used to store LNG on the deck in ship structure of landing stage, includes the cryopump (2) that LNG is provided transmitting power; Arm of unloading (3) and liquid adding arm (4) also are installed on the hull of landing stage; The said arm of unloading (3) docks with tank car; This arm of unloading (3) is connected with cryopump (2) through liquid transport pipeline; Said cryopump (2) is connected with first flow meter (5); First flow meter (5) is connected storage tank (1) through pipeline, and first flow meter (5) is communicated with liquid adding arm (4) through pipeline.
2. a kind of landing stage according to claim 1 LNG liquid-adding device; It is characterized in that: include the BOG recycling system; This system includes air type vaporizer B (6), water bath type gasifier (7), pressure regulating cabinet (8) and BOG knock out drum (9); Wherein air type vaporizer B (6) is communicated with storage tank (1), between air type vaporizer B (6) and pressure regulating cabinet (8), is set side by side with water bath type gasifier (7), and pressure regulating cabinet (7) is connected with BOG knock out drum (9).
3. a kind of landing stage according to claim 1 LNG liquid-adding device; It is characterized in that: be provided with three cryopumps (2) that are used for LNG is provided transmitting power in this device; Three cryopumps this moment (2) are set up in parallel each other on supporting frame (10); Be provided with two storage tanks (1) in this device, three cryopumps this moment (2) all are communicated with the arm of unloading (3), and the arm of unloading (3) is provided with stop valve with the liquid-transport pipe-line that cryopump (2) is communicated with; And on the corresponding feed liquor branch road of each cryopump (2), a pneumatic valve being installed, three cryopumps arranged side by side (2) insert first flow meter (5) through liquid-transport pipe-line again;
The fluid pipeline of two storage tanks (1) is provided with pneumatic valve, and wherein the fluid pipeline of each cryopump (2) is provided with stop valve, and first flow meter (5) is provided with pneumatic valve with the pipeline that liquid adding arm (4) is connected;
Be connected with air type vaporizer C (11) after cryopump (2) parallel connection wherein arranged side by side each other; And the pipeline that connects is provided with stop valve; Air type vaporizer C (11) is connected with BOG gas holder (12) again, and BOG gas holder (12) connects liquid adding arm (4) and purges mouth.
4. a kind of landing stage according to claim 1 LNG liquid-adding device is characterized in that: be provided with the liquid feeding control box (13) that pipe-line system and flow process in the whole device are controlled, liquid feeding control box (13) is arranged on the pedal (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205523750U CN202381982U (en) | 2011-12-27 | 2011-12-27 | LNG (liquefied natural gas) filling device for barge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205523750U CN202381982U (en) | 2011-12-27 | 2011-12-27 | LNG (liquefied natural gas) filling device for barge |
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| Publication Number | Publication Date |
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| CN202381982U true CN202381982U (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205523750U Expired - Lifetime CN202381982U (en) | 2011-12-27 | 2011-12-27 | LNG (liquefied natural gas) filling device for barge |
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| CN (1) | CN202381982U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494244A (en) * | 2011-12-27 | 2012-06-13 | 成都华气厚普机电设备股份有限公司 | Pontoon LNG aeration device and operation method thereof |
| CN102913752A (en) * | 2012-11-14 | 2013-02-06 | 张家港富瑞特种装备股份有限公司 | Unloading and liquid adding device for skid-type liquid adding station and unloading and liquid adding method |
| CN103791235A (en) * | 2014-02-19 | 2014-05-14 | 中船圣汇装备有限公司 | Marine LNG (Liquefied Natural Gas) storage tank system |
| CN103867884A (en) * | 2014-03-24 | 2014-06-18 | 中国石油集团工程设计有限责任公司 | Ship loading system and method of LPG (Liquefied Petroleum Gas)-based on single point mooring |
| CN104197183B (en) * | 2014-01-27 | 2016-05-11 | 江苏海企港华燃气发展有限公司 | A kind of natural gas filling station waterborne technological process and filling apparatus |
| CN106482904A (en) * | 2015-08-25 | 2017-03-08 | 北京卫星环境工程研究所 | The leak detection pressurization recovery system of time-sharing multiplex |
| CN108248805A (en) * | 2018-01-26 | 2018-07-06 | 芜湖市皖南造船有限公司 | A kind of LNG dredgers |
| CN114423986A (en) * | 2019-09-18 | 2022-04-29 | 气体运输技术公司 | Sealed and thermally insulated tank |
-
2011
- 2011-12-27 CN CN2011205523750U patent/CN202381982U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494244A (en) * | 2011-12-27 | 2012-06-13 | 成都华气厚普机电设备股份有限公司 | Pontoon LNG aeration device and operation method thereof |
| CN102494244B (en) * | 2011-12-27 | 2013-04-24 | 成都华气厚普机电设备股份有限公司 | Pontoon LNG aeration device and operation method thereof |
| CN102913752A (en) * | 2012-11-14 | 2013-02-06 | 张家港富瑞特种装备股份有限公司 | Unloading and liquid adding device for skid-type liquid adding station and unloading and liquid adding method |
| CN102913752B (en) * | 2012-11-14 | 2014-03-05 | 张家港富瑞特种装备股份有限公司 | Unloading and liquid adding device for skid-type liquid adding station and unloading and liquid adding method |
| CN104197183B (en) * | 2014-01-27 | 2016-05-11 | 江苏海企港华燃气发展有限公司 | A kind of natural gas filling station waterborne technological process and filling apparatus |
| CN103791235A (en) * | 2014-02-19 | 2014-05-14 | 中船圣汇装备有限公司 | Marine LNG (Liquefied Natural Gas) storage tank system |
| CN103867884A (en) * | 2014-03-24 | 2014-06-18 | 中国石油集团工程设计有限责任公司 | Ship loading system and method of LPG (Liquefied Petroleum Gas)-based on single point mooring |
| CN106482904A (en) * | 2015-08-25 | 2017-03-08 | 北京卫星环境工程研究所 | The leak detection pressurization recovery system of time-sharing multiplex |
| CN106482904B (en) * | 2015-08-25 | 2019-10-25 | 北京卫星环境工程研究所 | The leak detection pressurization recovery system of time-sharing multiplex |
| CN108248805A (en) * | 2018-01-26 | 2018-07-06 | 芜湖市皖南造船有限公司 | A kind of LNG dredgers |
| CN114423986A (en) * | 2019-09-18 | 2022-04-29 | 气体运输技术公司 | Sealed and thermally insulated tank |
| CN114423986B (en) * | 2019-09-18 | 2023-07-11 | 气体运输技术公司 | Sealed and thermally insulated tank, system, vessel and method of loading or unloading thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.3, floor 11, building 6, no.599, South shijicheng Road, Chengdu high tech Zone, China (Sichuan) pilot Free Trade Zone Patentee after: Houpu clean energy Co., Ltd Address before: 610041 D, Tianfu Software Park, 216 century South Road, Chengdu hi tech Zone, Sichuan, China Patentee before: Chengdu Huaqi Houpu Electromechanical Equipment Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |
|
| CX01 | Expiry of patent term |