CN207848959U - A kind of LNG air supply systems - Google Patents
A kind of LNG air supply systems Download PDFInfo
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- CN207848959U CN207848959U CN201721504431.7U CN201721504431U CN207848959U CN 207848959 U CN207848959 U CN 207848959U CN 201721504431 U CN201721504431 U CN 201721504431U CN 207848959 U CN207848959 U CN 207848959U
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- valve
- lng
- air supply
- heat exchanger
- storage tank
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Abstract
The utility model is related to LNG air supply system technical fields, disclose a kind of LNG air supply systems, the LNG air supply systems, including：LNG storage tank；Feed flow terminal passageway, including sequentially connected spiral heater, pressure maintaining valve and gas consuming device；First liquid feeding channel, including sequentially connected first liquid control valve, the first low temperature filter, cold energy use heat exchanger and first manual valve；Wherein, first liquid control valve is connected with the LNG storage tank, and the first manual valve is connected with the spiral heater of the feed flow terminal passageway.In above-mentioned LNG air supply systems, when LNG is gasified in cold energy use heat exchanger, cold energy use heat exchanger can be processed for the cold energy generated in gasification in further utilizing；Therefore, which can recycle the cold energy discharged in LNG application processes, and then substantially increase the utilization rate of natural gas energy resource.
Description
Technical field
The utility model is related to LNG air supply system technical fields, more particularly to a kind of LNG air supply systems.
Background technology
Natural gas is of great significance to China's prevention and control of air pollution as a kind of cleaning, the efficient energy.In recent years,
It is the prevention and control of air pollution in China with engine (such as automobile, ship etc.) rapid growth that liquefied natural gas (LNG) is fuel
Significant contribution is made.
LNG needs to gasify before application, which can discharge a large amount of cold energy, and generally, 1 ton of liquefied natural gas of production is set
It applies and power power consumption about 850kWh, and the cold released when LNG gasification, energy value are about 830~860kJ/kg.But usually
In the case of, this portion of energy is directly rejected in LNG gasification device, this not only causes a large amount of energy waste, even
The phenomenon that also ponding being caused to cause disaster.However, existing more shape by the LNG air supply systems of fuels and energy of LNG, it can not profit
With the part cold energy.Therefore, how to design a kind of LNG air supply systems that can recycle this part cold energy is that there is an urgent need for solutions at present
Certainly the problem of.
Utility model content
The utility model discloses a kind of LNG air supply systems, for providing a kind of be convenient in recycling LNG application processes
The LNG air supply systems of the cold energy of release, to improve the utilization rate of natural gas energy resource.
In order to achieve the above objectives, the utility model provides following technical scheme：
A kind of LNG air supply systems, including：
LNG storage tank；
Feed flow terminal passageway, including sequentially connected spiral heater, pressure maintaining valve and gas consuming device；
First liquid feeding channel, including sequentially connected first liquid control valve, the first low temperature filter, cold energy use heat exchanger
With first manual valve；Wherein, first liquid control valve is connected with the LNG storage tank, the first manual valve with it is described
The spiral heater of feed flow terminal passageway is connected.
In above-mentioned LNG air supply systems, when the LNG air supply systems work normally, LNG is flowed out by LNG storage tank, is gone out through first
Hydraulic control valve, the first low temperature filter enter cold energy use heat exchanger and are gasified and then enter feed flow end through first manual valve
Channel is held, and after the spiral heater of feed flow terminal passageway is heated, then gas consuming device is reached by pressure maintaining valve, to meet
Stablize the demand of gas supply for user terminal；Specifically, when LNG is gasified in cold energy use heat exchanger, cold energy use is changed
Hot device can be processed for the cold energy generated in gasification in further utilizing；Therefore, which can
Processing substantially increases the utilization rate of natural gas energy resource using the cold energy discharged in LNG application processes.
Optionally, the cold energy use heat exchanger include gasify coil pipe and with the cold energy that is used cooperatively of gasification coil pipe
Processing unit.
Optionally, first liquid feeding channel further includes：Between the LNG storage tank and first liquid control valve
First go out liquid root valve；The second hand-operated valve between the first low temperature filter and the cold energy use heat exchanger；Institute
State in the first liquid feeding channel, between the LNG storage tank and the cold energy use heat exchanger and the cold energy use heat exchanger and
Gas hose connection is all made of between the spiral heater.
Optionally, the LNG air supply systems further include：Second liquid feeding channel, second liquid feeding channel include connecting successively
The second liquid control valve connect, the second low temperature filter, gasification heat exchanger, pressure-regulating valve, third hand-operated valve；Wherein, described
Two liquid control valves are connected with the LNG storage tank, the spiral heater of the third hand-operated valve and the feed flow terminal passageway
It is connected.
Optionally, the gas consuming device is natural gas engine；The gasification heat exchanger and the spiral heater are adopted
It is exchanged heat with the cooling medium after being exchanged with the engine thermal.
Optionally, second liquid feeding channel further includes：Second between LNG storage tank and the second liquid control valve goes out
Liquid root valve；The 4th hand-operated valve between the second low temperature filter and gasification heat exchanger；In second liquid feeding channel, gasification
It is connected using gas hose between heat exchanger and spiral heater.
Optionally, the pressure-regulating valve is three-way pressure regulating valve；The LNG air supply systems further include：From pressure inlet
Road, described to be connected from one end of pressure pipeline with the one outlet of the pressure-regulating valve, the other end and the LNG storage tank phase
Even；It is described to be equipped with supercharging return-air control valve from pressure pipeline.
Optionally, the LNG air supply systems further include：Storage tank diffuse channel, the storage tank diffuse channel include first total
Pipeline and two first branchs arranged side by side being connected with one end of first main pipe rail；First main pipe rail with it is described
LNG storage tank is connected；Two first branchs are connected to airspace respectively, and is respectively equipped in two articles of first branchs
One diffusion valve and safety valve；The LNG air supply systems further include：Liquid feeding channel diffuse channel, the liquid feeding channel diffuse channel
Two the second branches arranged side by side being connected including the second main pipe rail and with one end of second main pipe rail；Second manifold
Road is connected to airspace, and second main pipe rail is equipped with the second diffusion valve；In two the second branches, a connection
Between the first low temperature filter and cold energy use heat exchanger, another be connected to the second low temperature filter gasification heat exchanger between,
And it is respectively equipped with one the 5th hand-operated valve in two articles of the second branches.
Optionally, the LNG air supply systems further include：Supply diffuse channel, one end of the gas supply diffuse channel and institute
It states the first main pipe rail to be connected, the other end is connected with second main pipe rail and positioned at second diffusion valve and described the
Between two branches.
Optionally, it in first liquid feeding channel, is equipped between the cold energy use heat exchanger and the first manual valve
First pressure gauge；It is equipped with nitrogen between the LNG storage tank and first liquid control valve and purges cock valve；Second feed flow
In channel, second pressure gauge is equipped between the pressure-regulating valve and second hand-operated valve；The spiral heater with it is described
It is equipped with nitrogen between pressure maintaining valve and purges cock valve.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for LNG air supply systems that the utility model embodiment provides.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1.
As shown in Figure 1, a kind of LNG air supply systems that the utility model embodiment provides, including：
LNG storage tank 10；
Feed flow terminal passageway, including sequentially connected spiral heater 11, pressure maintaining valve 12 and gas consuming device 13；
First liquid feeding channel, including sequentially connected first liquid control valve 21, the first low temperature filter 22, cold energy use are changed
Hot device 23 and first manual valve 24；Wherein, 21 one end of the first liquid control valve is connected with LNG storage tank 10, first manual valve 24
One end is connected with the spiral heater 11 of feed flow terminal passageway.
In above-mentioned LNG air supply systems, when the LNG air supply systems work normally, LNG is flowed out by LNG storage tank 10, through first
Liquid control valve 21, the first low temperature filter 22 enter cold energy use heat exchanger 23 and are gasified and then through first manual valve 24
Into feed flow terminal passageway, and after the spiral heater of feed flow terminal passageway 11 is heated, then reached by pressure maintaining valve 12
Gas consuming device 13 is the needs of user terminal stablizes gas supply to meet；Specifically, as LNG in cold energy use heat exchanger 23 into
When promoting the circulation of qi, cold energy use heat exchanger 23 can be processed for the cold energy generated in gasification in further utilizing；
Therefore, which can be handled using the cold energy discharged in LNG application processes, and then substantially increase natural gas energy
The utilization rate in source.
As shown in Figure 1, in a kind of specific embodiment, in the LNG air supply systems that the utility model embodiment provides, cold energy
The cold energy processing unit that may include gasification coil pipe using heat exchanger 23 and can be used cooperatively with gasification coil pipe.Specifically,
When LNG is gasified in the coil pipe that gasifies, cold energy processing unit the cold energy generated in gasification can be handled with
So that this part cold energy is further employed, such as is used for summer air conditioning load or for vehicle-mounted ice chest.
As shown in Figure 1, on the basis of the above embodiments, in a kind of specific embodiment, the first liquid feeding channel can be with
Including：
First between LNG storage tank 10 and the first liquid control valve 21 goes out liquid root valve 25；
The second hand-operated valve 26 between the first low temperature filter 22 and cold energy use heat exchanger 23；
Further, in the first liquid feeding channel, between LNG storage tank 10 and cold energy use heat exchanger 23 and cold energy use
Gas hose connection may be used between heat exchanger 23 and spiral heater 11, to play cushioning effect, to preferably
The problems such as avoiding vibration causes equipment connector to damage.
As shown in Figure 1, on the basis of above-mentioned two embodiment, in a kind of specific embodiment, the utility model is implemented
The LNG air supply systems that example provides can also include the second liquid feeding channel, which include sequentially connected second going out
Hydraulic control valve 31, the second low temperature filter 32, gasification heat exchanger 33, pressure-regulating valve 37, third hand-operated valve 34；Wherein, second goes out
31 one end of hydraulic control valve is connected with LNG storage tank 10, the spiral heater 11 of 34 one end of third hand-operated valve and feed flow terminal passageway
It is connected.
Specifically, in the LNG air supply systems that the utility model embodiment provides, when not needing cold energy use, first goes out
Hydraulic control valve 21 is closed, and the second liquid control valve 31 is opened, at this point, the gas supply of gas consuming device 13 is mainly carried by the second liquid feeding channel
For, LNG can be flowed out by LNG storage tank 10, through the second liquid control valve 31, the second low temperature filter 32 enter gasification heat exchanger 33 into
Promoting the circulation of qi, then the spiral heater 11 through pressure-regulating valve 37, third hand-operated valve 34 into feed flow terminal passageway are heated, then
Gas consuming device 13 is reached by pressure maintaining valve 12, is the needs of user terminal stablizes gas supply to meet.
As shown in Figure 1, in the LNG air supply systems that the utility model embodiment provides, including the first liquid feeding channel and second
Two liquid feeding channels of liquid feeding channel, two liquid feeding channels are all connected to supplying terminal channel, to be gas consuming device
13 gas supply；Wherein, it cold energy and is underused in the second liquid feeding channel；And during the first liquid feeding channel can be to LNG gasification
Cold energy be recycled, in order to being made full use of to cold energy, improve cold energy use rate, it is possible to there is cold energy to need
It uses when asking, for example for reducing summer air conditioning load, or is used for vehicle-mounted ice chest.
As shown in Figure 1, on the basis of the above embodiments, in a kind of specific embodiment, the utility model embodiment carries
In the LNG air supply systems of confession, gas consuming device 13 can be natural gas engine；Further, at this point, gasification heat exchanger 33 and
Spiral heater 11 may be used the cooling medium after being exchanged with engine thermal and exchange heat；That is, using natural gas engine
Coolant liquid as heat medium, for gasification heat exchanger 33 and spiral heater 11 carry out heat exchange, with reach to LNG into
Promoting the circulation of qi and the purpose that natural gas is heated.Preferably, bypass pipe can be set on heat medium pipeline, and be arranged
Three-way control valve 14, for adjusting the medium temperature entered in spiral heater 11.It is further preferred that the stream of heat medium
Hose connection may be used in siphunculus road, to play cushioning effect, to preferably avoid causing equipment connector due to vibration etc.
Damage.
As shown in Figure 1, on the basis of above-mentioned two embodiment, in a kind of specific embodiment, the second liquid feeding channel is also
May include：
Second between LNG storage tank 10 and the second liquid control valve 31 goes out liquid root valve 35；
The 4th hand-operated valve 36 between the second low temperature filter 32 and gasification heat exchanger 33；
Further, in the second liquid feeding channel, gasify and natural gas may be used between heat exchanger 33 and spiral heater 11
Hose connects, to play cushioning effect, to preferably avoid causing equipment connector to damage due to vibration etc..
As shown in Figure 1, on the basis of the various embodiments described above, in a kind of specific embodiment, in the second liquid feeding channel
Pressure-regulating valve 37 can be three-way pressure regulating valve；Further, LNG air supply systems can also include being somebody's turn to do from pressure pipeline
It is connected from one end of pressure pipeline with the one outlet of pressure-regulating valve 37, the other end is connected with LNG storage tank 10；Also, it should be certainly
Pressure pipeline is equipped with supercharging return-air control valve 4.
Specifically, when 10 pressure of LNG storage tank is less than lower limiting value, second goes out liquid root valve 35 and the 4th hand-operated valve 36 is in
Open state opens the second liquid control valve 31, and LNG is flowed out by LNG storage tank 10, after gasification heat exchanger 33 gasifies, by three
Logical pressure-regulating valve 37 and supercharging return-air control valve 4 are returned and are pressurized in storage tank；Wherein, three-way pressure regulating valve 37 is located always
In working condition, 10 internal pressure power of LNG storage tank is set to be maintained within the scope of use value by aperture regulation.Further, such as air pressure
When power meets device requirement and needs cold energy use, third hand-operated valve 34 is closed, at this point, 33, heat exchanger of gasification
Supercharging gasification operation is played, and controls the return-air aperture mouth of three-way pressure regulating valve 37 by the pressure in LNG storage tank 10, is played
The effect of safe way；When supply gas pressure cannot meet device requirement when such as cold energy use, open manually third hand-operated valve 34, with
So that the second liquid feeding channel is also used for gas supply operation, cold energy use is kept again while supply gas pressure is met to reach.
As shown in Figure 1, on the basis of the various embodiments described above, in a kind of specific embodiment, the utility model embodiment
The LNG air supply systems of offer can also include storage tank diffuse channel, the storage tank diffuse channel include the first main pipe rail and with this
Two first branchs arranged side by side that one end of one main pipe rail is connected；Wherein, the first main pipe rail is connected with LNG storage tank 10；Two
The first branch is connected to airspace respectively, and the first diffusion valve 51 and safety valve 61 are respectively equipped in two first branchs；It can
Selection of land, be equipped in the first branch of safety valve 61 can by switching valve 62 simultaneously two safety valves 61 in parallel, to realize two
The switching of safety valve uses.
Specifically, when pressure is higher than the setting value upper limit in LNG storage tank 10, the pressure in LNG storage tank 10 can pass through one
The switching valve 62 and two safety valves 61 being arranged in the first branch realize automatic reliefs；In addition, in case of emergency can also
It is realized by the first diffusion valve 51 in another first branch and is diffused manually, to ensure security performance.
As shown in Figure 1, on the basis of the above embodiments, in a kind of specific embodiment, the utility model embodiment carries
The LNG air supply systems of confession can also include liquid feeding channel diffuse channel, the liquid feeding channel diffuse channel include the second main pipe rail and
Two branches that are locked in a tie for second being connected with one end of the second main pipe rail；Wherein, the second main pipe rail is connected to airspace, and the
Two main pipe rails are equipped with the second diffusion valve 52；In two the second branches, a first low temperature filter for being connected to the first liquid feeding channel
Between device 22 and cold energy use heat exchanger 23, another the second low temperature filter 32 for being connected to the second liquid feeding channel and gasification heat exchange
Between device 33；Further, it is respectively equipped with one the 5th hand-operated valve 71 in two articles of the second branches.
Specifically, when the pressure in the first liquid feeding channel and the second liquid feeding channel is higher than the setting value upper limit, can distinguish
It is diffused, and can be controlled, with reality by two the 5th hand-operated valves 7 and the second diffusion valve 52 by two the second branch realizations
Now pressure in manual discharge liquid feeding channel, to ensure feed flow safety.
As shown in Figure 1, on the basis of the above embodiments, in a kind of specific embodiment, the utility model embodiment carries
The LNG air supply systems of confession can also include gas supply diffuse channel, and one end of the gas supply diffuse channel is connected with the first main pipe rail,
The other end is connected with the second main pipe rail and between the second diffusion valve 52 and two the second branch；The gas supply diffuse channel
It is equipped with gas phase hand-operated valve 72 and pressure reducing valve 73；Preferably, gas phase hand-operated valve 72 is normally open valve.
Specifically, when pressure is higher than the setting value upper limit in LNG storage tank 10, pressure reducing valve 73 is started to work, in LNG storage tank 10
Gas phase natural gas by gas phase hand-operated valve 72 and two the 5th hand-operated valves 71 have respectively entered corresponding first liquid feeding channel and
Second liquid feeding channel, and then be supplied to after cold energy use heat exchanger 23 or gasification heat exchanger 33, spiral heater 11 and use gas
Terminal 13；To as using for gas phase natural gas can make pressure reduction in LNG storage tank 10, until 10 internal pressure of LNG storage tank
When power reaches low pressure limit value, pressure reducing valve 73 is stopped.
As shown in Figure 1, on the basis of the various embodiments described above, in a kind of specific embodiment, the utility model embodiment
In the LNG air supply systems of offer：
First pressure gauge 81 can be equipped between the cold energy use heat exchanger 23 and first manual valve 24 of first liquid feeding channel,
To detect the pressure of the first liquid feeding channel in real time.
Further, second pressure can be equipped between the pressure-regulating valve 37 of the second liquid feeding channel and the second hand-operated valve 34
Table 82, to detect the pressure of the second liquid feeding channel in real time.
Certainly, it can also be respectively equipped with pressure gauge in LNG storage tank 10 and feed flow terminal passageway, such as the pressure gauge in Fig. 1
83 and pressure gauge 84, the pressure in detection LNG storage tank 10 and feed flow terminal passageway is may be respectively used for, and then ensure entire
The safety of LNG air supply systems.In addition, as shown in Figure 1, temperature can also be arranged on the pipeline before entering gas consuming device 13
Table 85, to monitor the natural gas temperature before entering gas consuming device 13.
As shown in Figure 1, on the basis of the various embodiments described above, in a kind of specific embodiment, the utility model embodiment
In the LNG air supply systems of offer, nitrogen can be equipped between the LNG storage tank 10 of the first liquid feeding channel and the first liquid control valve 21
Purge cock valve 91；It can also be equipped with nitrogen between the spiral heater 11 and pressure maintaining valve 12 of feed flow terminal passageway and purge cock valve
92；In turn, when device and LNG storage tank 10 repair, pipeline displacement purging demand can be met.
The LNG air supply systems that the utility model embodiment provides, including two air supply channels use and repair easily,
Also, the cold energy that the LNG air supply systems can discharge gas supply process is handled, for use as the system of air-conditioning, small-sized ice chest etc.
It is cold, in addition, the LNG air supply systems solve the problems, such as diffusing for gas phase natural gas (BOG), it is ensured that peace is stablized in gas supply operation
Entirely；In turn, which is widely used, particularly suitable for the transport facility that natural gas engine is power
Gas supply.
Obviously, those skilled in the art the utility model embodiment can be carried out various modification and variations without departing from
The spirit and scope of the utility model.In this way, if these modifications and variations of the present invention belong to the utility model right
It is required that and its within the scope of equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of LNG air supply systems, which is characterized in that including：
LNG storage tank；
Feed flow terminal passageway, including sequentially connected spiral heater, pressure maintaining valve and gas consuming device；
First liquid feeding channel, including sequentially connected first liquid control valve, the first low temperature filter, cold energy use heat exchanger and
One hand-operated valve；Wherein, first liquid control valve is connected with the LNG storage tank, the first manual valve and the feed flow
The spiral heater of terminal passageway is connected.
2. LNG air supply systems according to claim 1, which is characterized in that the cold energy use heat exchanger includes gasification disk
Pipe and the cold energy processing unit being used cooperatively with the gasification coil pipe.
3. LNG air supply systems according to claim 1, which is characterized in that first liquid feeding channel further includes：
First between the LNG storage tank and first liquid control valve goes out liquid root valve；
The second hand-operated valve between the first low temperature filter and the cold energy use heat exchanger；
In first liquid feeding channel, between the LNG storage tank and the cold energy use heat exchanger and the cold energy use is changed
Gas hose connection is all made of between hot device and the spiral heater.
4. LNG air supply systems according to claim 1, which is characterized in that further include：
Second liquid feeding channel, second liquid feeding channel include sequentially connected second liquid control valve, the second low temperature filter, gas
Change heat exchanger, pressure-regulating valve, third hand-operated valve；Wherein, second liquid control valve is connected with the LNG storage tank, institute
Third hand-operated valve is stated with the spiral heater of the feed flow terminal passageway to be connected.
5. LNG air supply systems according to claim 4, which is characterized in that the gas consuming device is natural gas engine；
The gasification heat exchanger and the spiral heater are all made of the cooling medium after being exchanged with the engine thermal and are changed
Heat.
6. LNG air supply systems according to claim 4, which is characterized in that second liquid feeding channel further includes：
Second between LNG storage tank and the second liquid control valve goes out liquid root valve；
The 4th hand-operated valve between the second low temperature filter and gasification heat exchanger；
In second liquid feeding channel, gasifies and connected using gas hose between heat exchanger and spiral heater.
7. LNG air supply systems according to claim 4, which is characterized in that the pressure-regulating valve is adjusted for three-way pressure
Valve；
The LNG air supply systems further include：
It is described to be connected from one end of pressure pipeline with the one outlet of the pressure-regulating valve from pressure pipeline, the other end and institute
LNG storage tank is stated to be connected；It is described to be equipped with supercharging return-air control valve from pressure pipeline.
8. LNG air supply systems according to claim 4, which is characterized in that further include：
Storage tank diffuse channel, the storage tank diffuse channel include the first main pipe rail and are connected with one end of first main pipe rail
Two first branchs arranged side by side；First main pipe rail is connected with the LNG storage tank；Two first branchs respectively with greatly
Headroom is connected to, and is respectively equipped with the first diffusion valve and safety valve in two first branchs；
Liquid feeding channel diffuse channel, the liquid feeding channel diffuse channel include the second main pipe rail and with second main pipe rail one
Hold two the second branches arranged side by side being connected；Second main pipe rail is connected to airspace, and on second main pipe rail
Equipped with the second diffusion valve；In two the second branches, one be connected between the first low temperature filter and cold energy use heat exchanger,
Another is connected between the second low temperature filter and gasification heat exchanger, and is respectively equipped with one the 5th hand in two articles of the second branches
Dynamic valve.
9. LNG air supply systems according to claim 8, which is characterized in that further include：
Diffuse channel is supplied, one end of the gas supply diffuse channel is connected with first main pipe rail, the other end and described the
Two main pipe rails are connected and between second diffusion valve and the second branches.
10. according to claim 4~9 any one of them LNG air supply systems, which is characterized in that
In first liquid feeding channel, first pressure gauge is equipped between the cold energy use heat exchanger and the first manual valve；
It is equipped with nitrogen between the LNG storage tank and first liquid control valve and purges cock valve；
In second liquid feeding channel, second pressure gauge is equipped between the pressure-regulating valve and the third hand-operated valve；It is described
It is equipped with nitrogen between spiral heater and the pressure maintaining valve and purges cock valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721504431.7U CN207848959U (en) | 2017-11-13 | 2017-11-13 | A kind of LNG air supply systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721504431.7U CN207848959U (en) | 2017-11-13 | 2017-11-13 | A kind of LNG air supply systems |
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| Publication Number | Publication Date |
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| CN201721504431.7U Expired - Fee Related CN207848959U (en) | 2017-11-13 | 2017-11-13 | A kind of LNG air supply systems |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886670A (en) * | 2019-10-25 | 2020-03-17 | 沪东重机有限公司 | Marine low-pressure gas supply system capable of self-pressurizing gas supply and self-pressurizing gas supply method thereof |
| CN111219594A (en) * | 2020-01-06 | 2020-06-02 | 阜阳国祯燃气有限公司 | LNG storage tank gas transmission and replacement process |
| CN111379962A (en) * | 2018-12-28 | 2020-07-07 | 新疆八一钢铁股份有限公司 | Variable volume gas storage system |
-
2017
- 2017-11-13 CN CN201721504431.7U patent/CN207848959U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379962A (en) * | 2018-12-28 | 2020-07-07 | 新疆八一钢铁股份有限公司 | Variable volume gas storage system |
| CN110886670A (en) * | 2019-10-25 | 2020-03-17 | 沪东重机有限公司 | Marine low-pressure gas supply system capable of self-pressurizing gas supply and self-pressurizing gas supply method thereof |
| CN111219594A (en) * | 2020-01-06 | 2020-06-02 | 阜阳国祯燃气有限公司 | LNG storage tank gas transmission and replacement process |
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