CN111473243A - Liquid cooling hydrogen storage tank - Google Patents
Liquid cooling hydrogen storage tank Download PDFInfo
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- CN111473243A CN111473243A CN202010250659.8A CN202010250659A CN111473243A CN 111473243 A CN111473243 A CN 111473243A CN 202010250659 A CN202010250659 A CN 202010250659A CN 111473243 A CN111473243 A CN 111473243A
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- bottle body
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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
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
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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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
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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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0114—Shape cylindrical with interiorly curved end-piece
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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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0375—Thermal insulations by gas
- F17C2203/0383—Air
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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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0614—Single wall
- F17C2203/0619—Single wall with two layers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Packages (AREA)
Abstract
The embodiment of the invention discloses a liquid cooling hydrogen storage tank, which comprises: the bottle comprises an outer-layer bottle body, a middle-layer bottle body and an inner-layer bottle body, wherein the inner-layer bottle body is arranged in the middle-layer bottle body, and the inner-layer bottle body is arranged in the outer-layer bottle body; the inner-layer bottle body is used for storing liquid hydrogen, a first vacuum heat insulation layer is arranged on the outer side of the inner-layer bottle body and the inner side of the middle-layer bottle body, and a second vacuum heat insulation layer is arranged on the inner side of the outer-layer bottle body and the outer side of the middle-layer bottle body. Set up outer bottle, middle level bottle and inlayer bottle to constitute first vacuum heat insulation layer between inlayer bottle and middle level bottle, constitute second vacuum heat insulation layer between outer bottle and middle level bottle, reduced the risk that liquid hydrogen reveals through multilayer bottle and multistage vacuum heat insulation layer.
Description
Technical Field
The invention belongs to the field of liquid low-temperature gas storage, and particularly relates to a liquid-cooled hydrogen storage tank.
Background
At present, most of liquid hydrogen storage tanks adopt a single-layer heat insulation mode for storage, but the single-layer heat insulation mode has the problems of leakage and the like.
Disclosure of Invention
In view of this, an embodiment of the present invention provides a liquid-cooled hydrogen storage tank, which at least solves the problem of leakage in the prior art.
The embodiment of the invention provides a liquid cooling hydrogen storage tank, which comprises: the bottle comprises an outer-layer bottle body, a middle-layer bottle body and an inner-layer bottle body, wherein the inner-layer bottle body is arranged in the middle-layer bottle body, and the middle-layer bottle body is arranged in the outer-layer bottle body;
the inner-layer bottle body is used for storing liquid hydrogen, the outer side of the inner-layer bottle body and the inner side of the middle-layer bottle body are provided with a first vacuum heat insulation layer, and the inner side of the outer-layer bottle body and the outer side of the middle-layer bottle body are provided with a second vacuum heat insulation layer;
the middle-layer bottle body at least comprises a first outer wall and a first inner wall, and a first pressure stabilizing cavity is arranged between the first outer wall and the first inner wall;
the outer layer bottle body at least comprises a second outer wall and a second inner wall, and a second pressure stabilizing cavity is formed between the second outer wall and the second inner wall;
the inner-layer bottle body is communicated with the first pressure stabilizing cavity, and when liquid hydrogen of the inner-layer bottle body leaks to the first pressure stabilizing cavity, the liquid hydrogen leaking to the first pressure stabilizing cavity absorbs heat to reduce the temperature in the first pressure stabilizing cavity and the temperature outside the first vacuum heat insulating layer;
and the second pressure stabilizing cavity is communicated with the first pressure stabilizing cavity, and when the liquid hydrogen in the first pressure stabilizing cavity leaks to the second pressure stabilizing cavity, the liquid hydrogen leaked to the second pressure stabilizing cavity absorbs heat to reduce the temperature in the second pressure stabilizing cavity and the temperature outside the second vacuum heat insulating layer.
Optionally, a first bottleneck valve is arranged on the inner-layer bottle body and the middle-layer bottle body, and the first bottleneck valve penetrates through the bottle wall of the inner-layer bottle body and the first inner wall of the middle-layer bottle body.
Optionally, a second bottleneck valve is arranged on the middle-layer bottle body and the outer-layer bottle body, and the second bottleneck valve penetrates through the first outer wall of the middle-layer bottle body and the second inner wall of the outer-layer bottle body;
optionally, a third bottleneck valve is arranged on the outer-layer bottle body and penetrates through the second outer wall of the outer-layer bottle body, when liquid hydrogen leaked to the second pressure stabilizing cavity absorbs heat, the temperature of the periphery of the third bottleneck valve is reduced, and hydrogen leaked outwards from the third bottleneck valve due to the difference between the internal temperature and the external temperature is reduced.
Optionally, the first and second mouthpiece valves are disposed on different sides of the hydrogen storage tank.
Optionally, the second and third mouthpiece valves are disposed on different sides of the hydrogen storage tank.
Optionally, the first bottleneck valve, the second bottleneck valve and the third bottleneck valve are all electric control valves.
Optionally, the first bottleneck valve and the second bottleneck valve are both provided with a wireless signal receiver.
Optionally, the wireless signal receiver arranged on the first bottleneck valve is electrically connected with the middle-layer bottle body and the outer-layer bottle body, and the wireless signal receiver arranged on the second bottleneck valve is electrically connected with the outer-layer bottle body.
Optionally, the bottle wall of the inner-layer bottle body is a single layer;
and/or
The outer layer bottle body, the middle layer bottle body and the inner layer bottle body are all made of stainless steel.
According to the embodiment of the invention, the outer-layer bottle body, the middle-layer bottle body and the inner-layer bottle body are arranged, so that a first vacuum heat insulation layer is formed between the inner-layer bottle body and the middle-layer bottle body, a second vacuum heat insulation layer is formed between the outer-layer bottle body and the middle-layer bottle body, and the risk of liquid hydrogen leakage is reduced through the multi-layer bottle body and the multi-stage vacuum heat insulation layer.
Through setting up first pressure stabilizing cavity and second pressure stabilizing cavity to set up the bottleneck valve between middle level bottle and first pressure stabilizing cavity, set up the bottleneck valve between first pressure stabilizing cavity and second pressure stabilizing cavity, when the liquid hydrogen of inlayer bottle is revealed, loop through the bottleneck valve and get into first pressure stabilizing cavity, then get into second pressure stabilizing cavity, first pressure stabilizing cavity and second pressure stabilizing cavity have provided storage space for the liquid hydrogen revealed, the liquid hydrogen heat absorption in first pressure stabilizing cavity and the second pressure stabilizing cavity simultaneously, thereby reduce the temperature of hydrogen storage tank, cool down hydrogen storage tank inside. The bottleneck valve that sets up on outer layer bottle communicates second pressure stabilizing cavity and outside to guarantee that the pressure of hydrogen storage tank maintains in a relatively stable interval, the hydrogen storage tank internal pressure is too big or the undersize when avoiding the later stage to use, convenient to use.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic structural view of a liquid-cooled hydrogen storage tank according to an embodiment of the invention;
FIG. 2 illustrates a schematic cross-sectional view of a liquid-cooled hydrogen storage tank according to one embodiment of the present invention;
description of the drawings:
1-outer layer bottle body; 101-a second outer wall; 102-a second inner wall; 2-middle-layer bottle body; 201-a first outer wall; 202-a first inner wall; 3-inner layer bottle body; 4-a first bottleneck valve; 5-a second bottleneck valve; 6-a third bottleneck valve; 7-a second vacuum insulation layer; 8-a first vacuum insulation layer; 9-a second pressure stabilizing cavity; 10-first plenum chamber.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein.
The terms "first", "second", and the like in the present embodiment are used for distinguishing the same technical terms, and do not limit technical features.
As shown in fig. 1 and 2, a liquid-cooled hydrogen storage tank includes: the bottle comprises an outer-layer bottle body 1, a middle-layer bottle body 2 and an inner-layer bottle body 3, wherein the inner-layer bottle body 3 is arranged in the middle-layer bottle body 2, and the middle-layer bottle body 2 is arranged in the outer-layer bottle body 1;
the inner-layer bottle body 3 is used for storing liquid hydrogen, a first vacuum heat insulation layer 8 is arranged on the outer side of the inner-layer bottle body 3 and the inner side of the middle-layer bottle body 2, and a second vacuum heat insulation layer 7 is arranged on the inner side of the outer-layer bottle body 1 and the outer side of the middle-layer bottle body 2;
the middle bottle body 2 at least comprises a first outer wall 201 and a first inner wall 202, and a first pressure stabilizing cavity 10 is arranged between the first outer wall 201 and the first inner wall 202; however, the present embodiment is not limited to the first outer wall 201 and the first inner wall 202, and in a specific implementation, an intermediate wall layer may be disposed between the first outer wall 201 and the first inner wall 202;
the outer layer bottle body 1 at least comprises a second outer wall 101 and a second inner wall 102, and a second pressure stabilizing cavity 9 is arranged between the second outer wall 101 and the second inner wall 102; however, the present embodiment is not limited to the second outer wall 101 and the second inner wall 102, and in a specific implementation, an intermediate wall layer may be disposed between the second outer wall 101 and the second inner wall 102;
the inner-layer bottle body 3 is communicated with the first pressure stabilizing cavity 10, when liquid hydrogen of the inner-layer bottle body 3 leaks, the liquid hydrogen firstly leaks to the first pressure stabilizing cavity 10, the liquid hydrogen leaking to the first pressure stabilizing cavity 10 absorbs heat to reduce the temperature of the first pressure stabilizing cavity 10, the temperature of the outer side of the first vacuum heat insulating layer 8 is reduced, and the external heat entering the tank body is reduced;
the second pressure stabilizing cavity 9 is communicated with the first pressure stabilizing cavity 10, liquid hydrogen leaked to the first pressure stabilizing cavity 10 is leaked to the second pressure stabilizing cavity 9, the liquid hydrogen leaked to the second pressure stabilizing cavity 9 absorbs heat to reduce the temperature of the second pressure stabilizing cavity 9, meanwhile, the temperature of the outer side of the second vacuum heat insulating layer 7 is reduced, meanwhile, the temperature of the periphery of the third bottle mouth valve is reduced, and hydrogen leaked outwards from the third bottle mouth valve due to the difference of internal temperature and external temperature is reduced.
In this embodiment, the first vacuum insulation layer 8 and the second vacuum insulation layer 7 are conducted into the inner bottle for insulation of external heat. At present, the outer layer of the liquid hydrogen tank refers to liquefied petroleum gas or liquefied natural gas, and the liquid hydrogen tank is a heat insulation layer, after being released from the tank body, the liquid hydrogen can enter into an external pressure stabilizing cavity, and the outer side of a pipeline can be frozen and frosted due to temperature difference and the like.
The main leakage point of the liquid hydrogen is at the positions of a bottle mouth joint and the like, and because the position can not be provided with a heat insulating layer, the liquid cooling hydrogen storage tank in the embodiment is provided with two layers of heat insulating layers and two pressure stabilizing cavities, the possibility of leakage from the bottle mouth valve joint is reduced to the minimum, if leakage exists, the liquid cooling hydrogen storage tank directly enters the pressure stabilizing cavities, the temperature of the surrounding environment is still low, and the further leakage amount is reduced.
The two layers of pressure stabilizing cavities are arranged in the tank body, so that the staged heat absorption is better realized, the requirement on low-temperature heat insulation of the liquid hydrogen inside the tank body is met, and the leakage of the liquid hydrogen inside the tank body in the switch-off state is reduced. The current state of affairs and international standards allow for a daily evaporation rate of liquid hydrogen, natural gas, etc., whereas the liquid-cooled hydrogen storage tank of the present embodiment is intended to minimize the daily evaporation rate.
Although the present embodiment is limited to the three-layered bottle body of the outer layer bottle body 1, the middle layer bottle body 2 and the inner layer bottle body 3, the present embodiment is not limited thereto, and the bottle body structure of four or five layers should be considered as an equivalent of the present embodiment. A third vacuum heat insulation layer is arranged between the corresponding fourth layer of bottle body and the third layer of bottle body, and a fourth vacuum heat insulation layer is arranged between the fifth layer of bottle body and the fourth layer of bottle body.
Optionally, a first mouth valve 4 is disposed on the inner bottle body 3 and the middle bottle body 2, and the first mouth valve 4 penetrates through the bottle wall of the inner bottle body 3 and the first inner wall 202 of the middle bottle body 2.
Through setting up first bottleneck valve 4, with inner bottle 3 and first pressure stabilizing cavity intercommunication, first bottleneck valve 4 is the normally closed state to reduce revealing of the liquid hydrogen in inner bottle 3, after the liquid hydrogen in inner bottle 3 reveals through first bottleneck valve 4, the liquid hydrogen after revealing gets into first pressure stabilizing cavity 10, cools down first pressure stabilizing cavity 10.
Optionally, a second bottleneck valve 5 is disposed on the middle-layer bottle body 2 and the outer-layer bottle body 1, and the second bottleneck valve 5 penetrates through the first outer wall 201 of the middle-layer bottle body 3 and the second inner wall 102 of the outer-layer bottle body 1.
Through setting up second bottleneck valve 5, with first pressure stabilizing cavity 10 and second pressure stabilizing cavity 9 intercommunication, second bottleneck valve 5 is the normally closed state to reduce the liquid hydrogen in first pressure stabilizing cavity 10 and reveal to second pressure stabilizing cavity 9 in, after liquid hydrogen in first pressure stabilizing cavity 10 reveals through second bottleneck valve 5, the liquid hydrogen after revealing gets into second pressure stabilizing cavity 9, cools down second pressure stabilizing cavity 9.
Optionally, a third bottleneck valve 6 is arranged on the outer-layer bottle body 1, the third bottleneck valve 6 penetrates through the second outer wall 101 of the outer-layer bottle body 1, and when liquid hydrogen leaked to the second pressure stabilizing cavity 9 absorbs heat, the temperature around the third bottleneck valve 6 is reduced, so that hydrogen leaked from the third bottleneck valve due to the difference between the internal temperature and the external temperature is reduced.
The third bottleneck valve 6 is in a normally closed state, so that liquid hydrogen in the second pressure stabilizing cavity 9 is reduced from leaking out of the hydrogen storage tank, when the liquid hydrogen in the second pressure stabilizing cavity 9 absorbs heat, the temperature around the third bottleneck valve 6 is reduced, and hydrogen leaking out of the third bottleneck valve caused by the temperature difference between the inside and the outside of the hydrogen storage tank is reduced.
Alternatively, the first and second bottleneck valves 4 and 5 are provided on different sides of the hydrogen storage tank,
the second and third bottleneck valves 5 and 6 are provided on different sides of the hydrogen storage tank.
Through setting for first bottleneck valve 4, second bottleneck valve 5 and third bottleneck valve 6 to set up second bottleneck valve 5 in one side of hydrogen storage tank, set up first bottleneck valve 4 and third bottleneck valve 6 in the opposite side of hydrogen storage tank, when the liquid hydrogen of inlayer bottle 3 reveals, guarantee that the liquid hydrogen who reveals is full of after first surge chamber 10 rethread second bottleneck valve 5 reveals to second surge chamber 9, reveal again third bottleneck valve 6 after the liquid hydrogen that reveals in second surge chamber 9 is full of after second surge chamber 9.
Optionally, the first bottleneck valve 4, the second bottleneck valve 5 and the third bottleneck valve 6 are all electric control valves.
As shown in fig. 1 and 2, the hydrogen storage tank includes a top end and a bottom end, one end of the hydrogen storage tank where the third bottleneck valve 6 is located is the top end, the first bottleneck valve 4 is disposed at the top end of the hydrogen storage tank, the second bottleneck valve 5 is disposed at the bottom end of the hydrogen storage tank, the third bottleneck valve 6 is disposed at the top end of the hydrogen storage tank, when the liquid hydrogen of the inner layer bottle body 3 leaks, the liquid hydrogen leaks into the first pressure maintaining chamber 10 through the first bottleneck valve 4 and then into the second pressure maintaining chamber 9 through the second bottleneck valve 5, and when the liquid hydrogen leaks out of the hydrogen storage tank through the third bottleneck valve 6, the first bottleneck valve 4 and the second bottleneck valve 5 are disposed at different sides of the hydrogen storage tank, so that the leaked liquid hydrogen flows through the maximum distance between the first bottleneck valve 4 and the second bottleneck valve 5, thereby providing a sufficient storage space for the leaked liquid hydrogen, similarly, the second bottleneck valve 5 and the third bottleneck valve 6 are disposed at different sides of the hydrogen storage tank, sufficient storage space is provided for liquid hydrogen that leaks from the second plenum 9 to the first plenum 10. The first bottleneck valve 4 communicates the inner-layer bottle body 3 with the first pressure stabilizing cavity 10, the second bottleneck valve 5 communicates the first pressure stabilizing cavity 10 with the second pressure stabilizing cavity 9, and the third bottleneck valve 6 communicates the second pressure stabilizing cavity 9 with the outside of the hydrogen storage tank.
Optionally, a wireless signal receiver is arranged on each of the first bottleneck valve 4 and the second bottleneck valve 5.
Set up wireless signal receiver on first bottleneck valve 4 and the second bottleneck valve 5, control first bottleneck valve 4 and second bottleneck valve 5 through wireless communication's mode, still set up manual opening and closing structure on the third bottleneck valve 6, except can controlling third bottleneck valve 6 automatically, can also manually open or close third bottleneck valve 6. Optionally, the wall of the inner bottle body 3 is a single layer.
The liquid cooling hydrogen storage tank is used for storing liquid hydrogen, and is not high-pressure gaseous hydrogen or cryogenic low pressure, the high-pressure gaseous hydrogen or cryogenic low pressure two schemes need the tank body to bear high pressure, and the liquid cooling hydrogen storage tank of this embodiment stores liquid hydrogen, need not bear high pressure, bears for the ordinary pressure. Therefore, the innermost bottle wall is a single layer, and the tank body is made of stainless steel.
The outer layer bottle body 1, the middle layer bottle body 2 and the inner layer bottle body 3 are all low-temperature low-pressure bottle bodies.
The wireless signal receiver arranged on the first bottleneck valve is electrically connected with the middle-layer bottle body and the outer-layer bottle body, and the wireless signal receiver arranged on the second bottleneck valve is electrically connected with the outer-layer bottle body. Because of the liquid cooling hydrogen storage tank adopts stainless steel, can be to signal shielding to influence signal transmission, consequently be connected through the wire between the wireless signal receiver of first bottleneck valve and middle level bottle and the outer bottle, will set up the wireless signal receiver and the outer bottle of second bottleneck valve and pass through the wire and be connected. The wire is only connected the bottle wall electricity between outer bottle 1, middle level bottle 2 and the inlayer bottle 3 to do not run through the bottle wall, thereby under the prerequisite of guaranteeing the leakproofness, improve signal transmission intensity.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A liquid-cooled hydrogen storage tank, characterized by comprising: the bottle comprises an outer-layer bottle body, a middle-layer bottle body and an inner-layer bottle body, wherein the inner-layer bottle body is arranged in the middle-layer bottle body, and the middle-layer bottle body is arranged in the outer-layer bottle body;
the inner-layer bottle body is used for storing liquid hydrogen, the outer side of the inner-layer bottle body and the inner side of the middle-layer bottle body are provided with a first vacuum heat insulation layer, and the inner side of the outer-layer bottle body and the outer side of the middle-layer bottle body are provided with a second vacuum heat insulation layer;
the middle-layer bottle body at least comprises a first outer wall and a first inner wall, and a first pressure stabilizing cavity is arranged between the first outer wall and the first inner wall;
the outer layer bottle body at least comprises a second outer wall and a second inner wall, and a second pressure stabilizing cavity is formed between the second outer wall and the second inner wall;
the inner-layer bottle body is communicated with the first pressure stabilizing cavity, and when liquid hydrogen of the inner-layer bottle body leaks to the first pressure stabilizing cavity, the liquid hydrogen leaking to the first pressure stabilizing cavity absorbs heat to reduce the temperature in the first pressure stabilizing cavity and the temperature outside the first vacuum heat insulating layer;
and the second pressure stabilizing cavity is communicated with the first pressure stabilizing cavity, and when the liquid hydrogen in the first pressure stabilizing cavity leaks to the second pressure stabilizing cavity, the liquid hydrogen leaked to the second pressure stabilizing cavity absorbs heat to reduce the temperature in the second pressure stabilizing cavity and the temperature outside the second vacuum heat insulating layer.
2. The liquid-cooled hydrogen storage tank of claim 1,
the inner-layer bottle body and the middle-layer bottle body are provided with first bottleneck valves, and the first bottleneck valves penetrate through the bottle wall of the inner-layer bottle body and the first inner wall of the middle-layer bottle body.
3. The liquid-cooled hydrogen storage tank of claim 2, wherein a second port valve is disposed on the middle bottle body and the outer bottle body, and the second port valve penetrates through a first outer wall of the middle bottle body and a second inner wall of the outer bottle body.
4. The liquid-cooled hydrogen storage tank of claim 3, wherein the outer bottle body is provided with a third port valve, the third port valve penetrates through the second outer wall of the outer bottle body, and when liquid hydrogen leaked to the second pressure stabilizing cavity absorbs heat, the temperature around the third port valve is reduced, so that hydrogen leakage from the third port valve due to the difference between the internal temperature and the external temperature is reduced.
5. The liquid-cooled hydrogen storage tank of claim 3, wherein said first and second port valves are disposed on different sides of the hydrogen storage tank.
6. The liquid-cooled hydrogen storage tank of claim 3, wherein said second port valve and said third port valve are disposed on different sides of the hydrogen storage tank.
7. The liquid-cooled hydrogen storage tank of claim 3, wherein the first, second and third port valves are all electrically controlled valves.
8. The liquid-cooled hydrogen storage tank of claim 7,
and the first bottleneck valve and the second bottleneck valve are both provided with wireless signal receivers.
9. The liquid-cooled hydrogen storage tank of claim 8, wherein the wireless signal receiver disposed at the first port valve is electrically connected to the middle and outer bottle bodies, and the wireless signal receiver disposed at the second port valve is electrically connected to the outer bottle body.
10. The liquid-cooled hydrogen storage tank of claim 1, wherein the wall of the inner bottle body is a single layer;
and/or
The outer layer bottle body, the middle layer bottle body and the inner layer bottle body are all made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010250659.8A CN111473243B (en) | 2020-04-01 | 2020-04-01 | Liquid cooling hydrogen storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010250659.8A CN111473243B (en) | 2020-04-01 | 2020-04-01 | Liquid cooling hydrogen storage tank |
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| CN111473243A true CN111473243A (en) | 2020-07-31 |
| CN111473243B CN111473243B (en) | 2022-08-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325150A (en) * | 2020-11-13 | 2021-02-05 | 广东清极氢能有限公司 | High-pressure hydrogen storage tank with multilayer compression-resistant inner container |
| WO2023283400A1 (en) * | 2021-07-08 | 2023-01-12 | Preload Cryogenics, Llc | System and method for storage of liquid hydrogen at low pressure |
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| US9777889B2 (en) * | 2014-08-04 | 2017-10-03 | Washington State University | Vapor cooled shielding liner for cryogenic storage in composite pressure vessels |
| CN205640209U (en) * | 2016-05-11 | 2016-10-12 | 杨文清 | Liquefied natural gas gas storage device |
| KR20180137636A (en) * | 2017-06-16 | 2018-12-28 | 서울시립대학교 산학협력단 | Storage vessel for extremely low temperature material with cryogenic jacket |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325150A (en) * | 2020-11-13 | 2021-02-05 | 广东清极氢能有限公司 | High-pressure hydrogen storage tank with multilayer compression-resistant inner container |
| WO2023283400A1 (en) * | 2021-07-08 | 2023-01-12 | Preload Cryogenics, Llc | System and method for storage of liquid hydrogen at low pressure |
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