CN204187273U - LNG diffuses Adsorption Natural Gas recovering device - Google Patents
LNG diffuses Adsorption Natural Gas recovering device Download PDFInfo
- Publication number
- CN204187273U CN204187273U CN201420600115.XU CN201420600115U CN204187273U CN 204187273 U CN204187273 U CN 204187273U CN 201420600115 U CN201420600115 U CN 201420600115U CN 204187273 U CN204187273 U CN 204187273U
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- lng
- storage tank
- adsorption
- natural gas
- gas
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Abstract
The utility model discloses a kind of LNG and diffuse Adsorption Natural Gas recovering device, the knock out drum comprise LNG storage tank, being connected by natural gas diffusion pipe with LNG storage tank, the gas compressor set be connected with knock out drum by air pipe, and by adsorption storage device that suction tude is connected with gas compressor set; Adsorption storage device is also connected with LNG storage tank by the circularly-supercharged pipe of rock gas; The shell of adsorption storage device is provided with heating equipment; One end that natural gas diffusion pipe is communicated with LNG storage tank is provided with tank safety valve.The utility model utilizes adsorption technology to reclaim diffusing rock gas, store, and by reclaiming diffusing of storing, rock gas desorption loads and unloads as LNG, the supercharging gas of filling process, recycles.Not only save LNG resource, also eliminated potential safety hazard, perfect storage tank loading, unloading functions.
Description
Technical field
The utility model relates to a kind of LNG and diffuses Adsorption Natural Gas recovering device.
Background technique
LNG (LNG Liquefied natural gas) often produces and diffuses rock gas in storage or cargo handling process, not only wastes energy, also probably causes potential safety hazard.
(1) fueling station storage tank diffuses rock gas
Liquid gas processing factory is equipped with Large LNG storage tank, and LNG storage tank fueling station and LNG concentrate user's gas storage to need to be equipped with medium and small LNG storage tank.Due to the impact of the factors such as heat trnasfer, vacuum sandwich seepage, cause liquid evaporation in LNG tank.When storage tank self-evaporating steam pressure exceedes setting pressure, safety valve is automatically opened and is diffused; Once the degree of vacuum of storage tank reduces, the safety valve on storage tank can frequently be opened, and the amount of diffusing can increase considerably.
Certain company is 98m to two volumes in new operation vaporizing station
3lNG storage tank over 3 months in storage tank the data logging of liquid level be: it is 0.554m that two storage tanks on average diffuse LNG liquid volume every day
3, the gaseous natural gas diffused every day volume is in normal conditions 313.66m
3, what can meet about 600 family residents uses gas.
(2) rock gas is diffused in LNG filling process
LNG storage tank needs gasifying section LNG in loading, unloading process, for supercharging in tank, and auxiliary handling; After handling terminate, this portion of natural gas is diffused mostly.According to certain corporate statistics, 50m
3lNG tank car emptying natural gas of once unloading be nearly 150m
3.
Current without economic, reliable recovery method, LNG storage tank manufacturer is not equipped with and diffuses natural gas recycling device.Dispersing gas is introduced civil natural gas pipe network by part owner attempt, due to reasons such as the technology such as parameter matching, device and safety, fails the application that succeeds.
Therefore, LNG diffuses rock gas phenomenon ubiquity in storage, filling process.LNG gasification natural gas diffusion is a kind of waste to the energy, causes economic loss not only to LNG enterprise, and is great security risk, particularly diffuse rock gas in the confined space or the immobilising space of air and will cause the serious accidents such as burning, blast.
Model utility content
The purpose of this utility model is to provide a kind of LNG and diffuses Adsorption Natural Gas recovering device, has not only saved LNG resource, has also eliminated potential safety hazard, perfect storage tank loading, unloading functions.
For solving the problems of the technologies described above, the utility model provides a kind of LNG to diffuse Adsorption Natural Gas recovering device, the LNG storage tank gasification pressurization device comprising LNG storage tank and be communicated with described LNG storage tank.
Above-mentioned absorbing recovery device also comprises the knock out drum be connected with described LNG storage tank by natural gas diffusion pipe, the gas compressor set be connected with described knock out drum by air pipe, and by adsorption storage device that suction tude is connected with described gas compressor set; Adsorption storage device is also connected with LNG storage tank by the circularly-supercharged pipe of rock gas; The shell of adsorption storage device is provided with heating equipment; One end that natural gas diffusion pipe is communicated with LNG storage tank is provided with tank safety valve.
Further, be provided with the strong cold mould heat-exchanger rig compared with usual heat exchanger more refrigeration in gas compressor set, make compressed natural gas be cooled to adsorption storage temperature.
The beneficial effects of the utility model are: the utility model utilizes adsorption technology to reclaim diffusing rock gas, store, and by reclaiming diffusing of storing, rock gas desorption loads and unloads as LNG, the supercharging gas of filling process, recycles.Not only save LNG resource, also eliminated potential safety hazard, perfect storage tank loading, unloading functions.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model most preferred embodiment.
Wherein: 1, LNG storage tank; 2, knock out drum; 3, gas compressor set; 4, adsorption storage device; 5, storage heating equipment; 6, LNG storage tank gasification pressurization device; 7, tank safety valve; 101, natural gas diffusion pipe; 102, air pipe; 103, suction tude, 104, the circularly-supercharged pipe of rock gas.
Embodiment
Below embodiment of the present utility model is described; so that those skilled in the art understand the utility model; but should be clear; the utility model is not limited to the scope of embodiment; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present utility model determined, these changes are apparent, and all innovation and creation utilizing the utility model to conceive are all at the row of protection in appended claim.
A kind of LNG as shown in Figure 1 diffuses Adsorption Natural Gas recovering device, the LNG storage tank gasification pressurization device 6 comprising LNG storage tank 1 and be communicated with LNG storage tank 1.In addition, above-mentioned absorbing recovery device also comprises the knock out drum 2 be connected with LNG storage tank 1 by natural gas diffusion pipe 101, the gas compressor set 3 be connected with knock out drum 2 by air pipe 102, and by adsorption storage device 4 that suction tude 103 is connected with gas compressor set 3; Adsorption storage device 4 is also connected with LNG storage tank 1 by the circularly-supercharged pipe 104 of rock gas; The sidewall of adsorption storage device 4 is provided with heating equipment 5; One end that natural gas diffusion pipe 101 is communicated with LNG storage tank 1 is provided with tank safety valve 7.
According to an embodiment of the application, in gas compressor set 3, be provided with strong cold mould heat-exchanger rig.
Operationally, when the LNG vaporization gas pressure in LNG storage tank 1 exceedes setting pressure, rock gas is diffused in tank safety valve 2 take-off to the utility model; Rock gas enters gas compressor set 5 through air pipe 102 after entering knock out drum 2 by natural gas diffusion pipe 101 again; Gas compressor set 5 is by starting compressed natural gas after suction pressure and strengthening cooling; Compressed, cooled rock gas enters absorbing and storing device 7 by suction tude 103 again.
When LNG storage tank 1 handling need pressurised natural gas, start storage heating equipment 5, absorbed natural gas by thermal desorption, namely enter LNG storage tank 1 by circularly-supercharged pipe 104, load and unload with the LNG of auxiliary reservoir, the LNG storage tank gasification pressurization device 6 gasified with alternative LNG storage tank.
Claims (2)
1. a LNG diffuses Adsorption Natural Gas recovering device, the LNG storage tank gasification pressurization device comprising LNG storage tank and be communicated with described LNG storage tank, it is characterized in that: described absorbing recovery device also comprises the knock out drum be connected with described LNG storage tank by natural gas diffusion pipe, the gas compressor set be connected with described knock out drum by air pipe, and by adsorption storage device that suction tude is connected with described gas compressor set;
Described adsorption storage device is also connected with described LNG storage tank by the circularly-supercharged pipe of rock gas; The shell of described adsorption storage device is provided with heating equipment; One end that described natural gas diffusion pipe is communicated with described LNG storage tank is provided with tank safety valve.
2. LNG according to claim 1 diffuses Adsorption Natural Gas recovering device, it is characterized in that: be provided with strong cold mould heat-exchanger rig in described gas compressor set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600115.XU CN204187273U (en) | 2014-10-17 | 2014-10-17 | LNG diffuses Adsorption Natural Gas recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600115.XU CN204187273U (en) | 2014-10-17 | 2014-10-17 | LNG diffuses Adsorption Natural Gas recovering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204187273U true CN204187273U (en) | 2015-03-04 |
Family
ID=52619274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420600115.XU Expired - Fee Related CN204187273U (en) | 2014-10-17 | 2014-10-17 | LNG diffuses Adsorption Natural Gas recovering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204187273U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524481A (en) * | 2021-02-07 | 2021-03-19 | 河南氢枫能源技术有限公司 | System for recovering vent gas of hydrogenation station |
| CN113048399A (en) * | 2021-03-17 | 2021-06-29 | 四川京川大正油田技术服务有限责任公司 | Method for recovering residual natural gas in machine cavity and pipeline after compressor shutdown |
| CN116328484A (en) * | 2023-04-13 | 2023-06-27 | 陕西赫星节能环保科技有限公司 | Organic waste gas treatment system with catalytic combustion structure for workshops |
-
2014
- 2014-10-17 CN CN201420600115.XU patent/CN204187273U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524481A (en) * | 2021-02-07 | 2021-03-19 | 河南氢枫能源技术有限公司 | System for recovering vent gas of hydrogenation station |
| CN112524481B (en) * | 2021-02-07 | 2021-06-01 | 河南氢枫能源技术有限公司 | System for recovering vent gas of hydrogenation station |
| CN113048399A (en) * | 2021-03-17 | 2021-06-29 | 四川京川大正油田技术服务有限责任公司 | Method for recovering residual natural gas in machine cavity and pipeline after compressor shutdown |
| CN116328484A (en) * | 2023-04-13 | 2023-06-27 | 陕西赫星节能环保科技有限公司 | Organic waste gas treatment system with catalytic combustion structure for workshops |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20161017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |