CN116314936A - Fuel supply system for fuel cell - Google Patents
Fuel supply system for fuel cell Download PDFInfo
- Publication number
- CN116314936A CN116314936A CN202111565035.6A CN202111565035A CN116314936A CN 116314936 A CN116314936 A CN 116314936A CN 202111565035 A CN202111565035 A CN 202111565035A CN 116314936 A CN116314936 A CN 116314936A
- Authority
- CN
- China
- Prior art keywords
- fuel
- communicated
- pump
- liquid
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 189
- 239000007788 liquid Substances 0.000 claims abstract description 89
- 238000004891 communication Methods 0.000 claims description 7
- 239000000872 buffer Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
-
- 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
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
-
- 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
- Y02E60/50—Fuel cells
Abstract
The application discloses a fuel supply system of fuel cell, includes: a liquid fuel bottle having a liquid outlet and a pressurized gas phase port; the pump pool is provided with a booster pump arranged in the pump pool, and an inlet of the pump pool is communicated with the liquid outlet; a supply line communicating with a pump outlet of the booster pump, the other end communicating with a fuel inlet of the fuel cell; one end of the pressurizing pipeline is communicated with the pump outlet, and the other end of the pressurizing pipeline is communicated with the pressurizing gas phase outlet; wherein the pressure of the liquid fuel bottle is smaller than the critical pressure of the liquid fuel, on one hand, the gas supply pressure can be ensured to meet the use requirement of the fuel cell; on the other hand, the pressure and the temperature in the liquid fuel bottle can be prevented from exceeding the critical value, and the supercritical fuel is generated, so that the air supply pressure and the difficulty in adjusting the pressure of the liquid fuel bottle are reduced, and the internal pressure of the liquid fuel bottle is simpler and more convenient to adjust.
Description
Technical Field
The present invention relates to the field of fuel cell technologies, and in particular, to a fuel supply system for a fuel cell.
Background
Along with the popularization of new energy concepts and popularization, the fuel cell adopting clean energy has wide application prospect.
In the prior art, fuel of a fuel cell is supplied through a fuel supply system, the fuel supply system generally adopts a gaseous fuel bottle to store the fuel, and the fuel in the fuel bottle has low density, large mass and large volume, so that the cruising ability of the fuel cell adopting the fuel supply system is poor.
Further, in order to improve the cruising ability, a liquid fuel bottle may be used to store fuel, and although the cruising ability may be increased, if the pressure in the liquid fuel bottle is made lower than the critical pressure of the fuel, it is difficult to meet the fuel supply pressure requirement of the fuel cell; if the liquid fuel bottle is made to be larger than the critical pressure of the fuel, the supercritical fuel is generated in the fuel supply vaporization process, so that the air supply pressure is difficult to regulate.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present invention is to propose a fuel supply system for a fuel cell that can avoid the entry of fuel in a liquid fuel bottle into a supercritical state and can meet the air supply demand.
A fuel supply system of a fuel cell according to an embodiment of the present application includes: a liquid fuel bottle having a liquid outlet and a pressurized gas phase port; the pump pool is provided with a booster pump arranged in the pump pool, and an inlet of the pump pool is communicated with the liquid outlet; a supply line communicating with a pump outlet of the booster pump, the other end communicating with a fuel inlet of the fuel cell; one end of the pressurizing pipeline is communicated with the pump outlet, and the other end of the pressurizing pipeline is communicated with the pressurizing gas phase outlet; wherein the pressure of the liquid fuel bottle is less than the critical pressure of the liquid fuel.
According to the fuel supply system of the fuel cell, provided by the embodiment of the application, the pump pool is arranged, and the pressure of the liquid fuel bottle is smaller than the critical pressure of the liquid fuel, so that on one hand, the gas supply pressure can be ensured to meet the use requirement of the fuel cell; on the other hand, the pressure and the temperature in the liquid fuel bottle can be prevented from exceeding the critical value, and the supercritical fuel is generated, so that the air supply pressure and the difficulty in adjusting the pressure of the liquid fuel bottle are reduced, and the internal pressure of the liquid fuel bottle is simpler and more convenient to adjust.
According to some embodiments of the application, the pump sump further comprises: the booster pump is arranged in the liner, and an inlet and an outlet of the pump pool are formed in the liner.
In some embodiments, the fuel supply system further comprises: the first one-way valve is arranged on the outlet of the pump pool, and the pump outlet is communicated with the pressurizing pipeline, the supply pipeline and the first one-way valve.
Further, a liquid outlet valve and a second one-way valve which are sequentially communicated are further arranged between the inlet and the liquid outlet of the pump pool.
In some embodiments, the supply line comprises: the device comprises a third one-way valve, an overflow valve, a vaporizer, a buffer tank, a pressure stabilizing valve and an aviation connector which are communicated in sequence, wherein the third one-way valve is communicated with the first one-way valve, and the aviation connector is communicated with the fuel inlet.
According to some embodiments of the application, the boost circuit comprises: the automatic supercharging valve is communicated with the pump outlet and the first one-way valve, and the supercharger is communicated with the supercharging gas phase port.
In some embodiments, the liquid fuel bottle further comprises: liquid inlet, discharge port and evacuation mouth, the fuel feed system still includes: the filling pipeline is communicated with the liquid inlet, the explosion-proof valve is communicated with the vacuumizing port, and the safety pipeline is communicated with the discharge port or the pressurizing pipeline.
Further, the filling line includes: the filling joint is communicated with the fuel filling port, and the fourth check valve is communicated with the liquid inlet.
Further, the safety line includes: the first safety pipeline is communicated with the discharge port, and the second safety pipeline is communicated with the pressurizing pipeline.
Further, the second safety pipeline and the pressurizing pipeline are also communicated with the air return port through an air return pipeline.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic illustration of a fuel supply line according to an embodiment of the present application.
Reference numerals:
the fuel supply system 100 is configured to provide a supply of fuel,
the liquid fuel bottle 1, the level gauge 101,
pump sump 2, booster pump 201, housing 202, liner 203,
a supply line 3, a third check valve 301, an overflow valve 302, a carburetor 303, a surge tank 304, a surge valve 305, an air connection 306, a supply pressure sensor 307, a surge tank pressure sensor 308, a supply line relief valve 309,
the pressurizing line 4, the pressurizing automatic valve 401, the pressurizing unit 402,
a first one-way valve 5, a liquid outlet valve 6, a second one-way valve 7,
a filling line 8, a fourth one-way valve 801, a filling connection 802,
the first safety line 9, the first stage safety valve 901,
the second safety line 10, the second stage safety valve 1001, the manual relief valve 1002,
the explosion-proof valve 12 is provided with a valve,
a pressure detection line 13, a pressure gauge valve 1301, a fuel bottle pressure sensor 1302, and a fuel bottle pressure gauge 1303.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
A fuel supply system 100 according to an embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, a fuel supply system 100 of a fuel cell according to an embodiment of the present application includes: a liquid fuel bottle 1, a pump sump 2, a supply line 3 and a pressurization line 4.
Referring to fig. 1, a liquid fuel bottle 1 has a liquid outlet and a pressurized gas phase outlet; the pump pool 2 is provided with a booster pump 201 for boosting the pump pool 2, and the inlet of the pump pool 2 is communicated with the liquid outlet; the supply pipeline 3 is communicated with the outlet of the pump pool 2, and the other end of the supply pipeline is communicated with the fuel inlet of the fuel cell; one end of the pressurizing pipeline 4 is communicated with a pump outlet of the pressurizing pump 201, and the other end is communicated with a pressurizing gas outlet; wherein the pressure of the liquid fuel bottle 1 is less than the critical pressure of the liquid fuel.
Specifically, the liquid outlet of the liquid fuel bottle 1 is communicated with the pump pool 2, the pump pool 2 can store fuel flowing out of the liquid fuel bottle 1, the booster pump 201 is arranged in the pump pool 2, can boost the fuel in the pump pool 2, and supplies the boosted fuel to the supply pipeline 3, and the supply pipeline 3 supplies vaporized fuel which can meet the air supply pressure requirement of the fuel cell after being boosted to the fuel inlet of the fuel cell; when the liquid fuel bottle 1 needs to be pressurized to ensure a pressure difference between the liquid fuel bottle 1 and the pump sump 2 so that the liquid fuel bottle 1 can stably supply fuel, the pressurized fuel can be supplied to the liquid fuel bottle 1 by the booster pump 201 to pressurize the liquid fuel bottle 1.
According to the fuel supply system 100 of the fuel cell of the embodiment of the present application, by providing the pump tank 2 and making the pressure of the liquid fuel bottle 1 smaller than the critical pressure of the liquid fuel, on the one hand, it is possible to ensure that the supply air pressure satisfies the use requirement of the fuel cell; on the other hand, the pressure and the temperature in the liquid fuel bottle 1 can be prevented from exceeding the critical value, and the supercritical fuel is generated, so that the air supply pressure and the pressure adjustment difficulty of the liquid fuel bottle 1 are reduced, and the internal pressure adjustment of the liquid fuel bottle 1 is simpler and more convenient.
As shown in fig. 1, according to some embodiments of the present application, pump sump 2 further comprises: the pump comprises a shell 202 and a liner 203 arranged in the shell 202, wherein the booster pump 201 is arranged in the liner 203, and the inlet and the outlet of the pump pool 2 are formed on the liner 203.
Specifically, the booster pump 201 may raise the pressure of the fuel in the liner 203 to meet the supply air pressure demand, and the outlet of the booster pump 201 may also communicate with the booster pipe 4 to increase the pressure in the liquid fuel bottle 1 by the booster pump 201.
In the particular embodiment shown in FIG. 1, fuel supply system 100 further includes: the first one-way valve 5, the first one-way valve 5 is set up on the export of the pump sump 2, pump export and pressurization pipeline 4, supply line 3 and first one-way valve 5 intercommunication.
It is noted that by providing the first non-return valve 5 and placing the first non-return valve 5 in communication with the supply line 3, the pressure increasing line 4 and the pump outlet. Therefore, when the pressurizing pump 201 is used for pressurizing the liquid fuel bottle 1, the first one-way valve 5 is closed, a backflow phenomenon (namely, backflow of fuel with higher pressure to the liner 203) can be avoided, and when the pressurizing of the liquid fuel bottle 1 can be realized, the outlet of the pump pool 2 can be controlled to be communicated with the pressurizing pipeline 4, the pressurizing of the pressurizing pipeline 4 is realized, the pressure in the liquid fuel bottle 1 is improved while the pressure of the liner 203 is reduced, the pressure difference between the liquid fuel bottle 1 and the liner 203 is ensured, and the supply stability of the fuel supply system 100 is improved.
Further, a liquid outlet valve 6 and a second one-way valve 7 which are sequentially communicated are further arranged between the inlet and the liquid outlet of the pump pool 2. Thus, the liquid fuel bottle 1 is controlled to supply fuel to the pump sump 2 through the liquid outlet valve 6, and the occurrence of fuel backflow is avoided through the second check valve 7, so that the operation stability of the fuel supply system 100 is further improved.
As shown in fig. 1, in some embodiments, the supply line 3 comprises: the third one-way valve 301, the overflow valve 302, the carburetor 303, the buffer tank 304, the pressure stabilizing valve 305 and the aviation connector 306 which are communicated in sequence, wherein the third one-way valve 301 is communicated with the first one-way valve 5, and the aviation connector 306 is communicated with the fuel inlet.
Thus, when the fuel is supplied, the liquid fuel flows from the booster pump 201 into the third check valve 301, the third check valve 301 prevents the liquid fuel from flowing back, the flow valve 302 limits the flow of the liquid fuel and prevents the liquid fuel from flowing back, the vaporizer 303 vaporizes the liquid fuel, the buffer tank 304 buffers the vaporized gaseous fuel, and the buffered gaseous fuel is stabilized and then is delivered to the fuel inlet of the fuel cell through the aviation connector 306, so as to improve the stability of the fuel supply.
The buffer tank 304 may have a volume selected according to the use requirement, for example: 40L.
Furthermore, a surge tank pressure sensor 308 and a supply line relief valve 309 are also provided in parallel between the surge tank 304 and the surge tank 305, the pressure in the surge tank 304 is detected in real time by the surge tank pressure sensor 308, the supply line relief valve 309 is used for opening pressure relief when the pressure in the supply line 3 is too high to improve the operation stability of the fuel supply system 100, and the supply pressure sensor 307 is provided between the surge tank 305 and the aviation connector for detecting the supply pressure, so that whether the supply pressure satisfies the supply pressure demand can be obtained, and can be fed back to the booster pump 201 to perform adjustment.
According to some embodiments of the present application, the plenum line 4 comprises: the automatic booster valve 401 and the booster 402 are communicated in sequence, the automatic booster valve 401 is communicated with the pump outlet and the first one-way valve 5, and the booster 402 is communicated with the booster gas phase port.
Thus, when the liquid fuel bottle 1 needs to be pressurized, the outlet of the pump pool 2 can be controlled to be communicated with the automatic pressurizing valve 401 and the pressurizing device 402 to pressurize, the pressure of the liner 203 is reduced, the fuel supply is stabilized, or the pressure is directly increased through the pressurizing pump 201, the automatic pressurizing valve 401 and the pressurizing device 402, and the automatic pressurization of the liquid fuel bottle 1 is realized.
As shown in fig. 1, in some embodiments, the liquid fuel bottle 1 further comprises: the liquid inlet, the discharge port, and the vacuum suction port, the fuel supply system 100 further includes: the filling pipeline 8, the explosion-proof valve 12 and the safety pipeline, the filling pipeline 8 is communicated with the liquid inlet, the explosion-proof valve 12 is communicated with the vacuumizing port, and the safety pipeline is communicated with the discharge port or the pressurizing pipeline 4.
Thus, the liquid fuel is filled through the filling pipe 8, the safety of the fuel supply system 100 is controlled through the safety pipe, and the pressure is released in time through the explosion-proof valve 12, so that the use safety of the liquid fuel bottle 1 is ensured.
Further, a level gauge 101 may be provided in the liquid fuel bottle 1, so that a user can easily determine the fuel remaining in the liquid fuel bottle 1.
Referring to fig. 1, the filling line 8 includes: a fourth check valve 801 and a filling joint 802 which are communicated in sequence, wherein the filling joint 802 is communicated with a fuel filling port, and the fourth check valve 801 is communicated with a liquid inlet.
It will be appreciated that the safety line comprises: a first safety line 9 and a second safety line 10, the first safety line 9 being in communication with the discharge port and the second safety line 10 being in communication with the pressure increasing line 4.
That is, the first safety line 9 performs the evacuation of the liquid fuel bottle 1 when the pressure in the liquid fuel bottle 1 is excessively high or fails, and the second safety line 10 may perform the evacuation process when the pressurizing line 4 fails, so as to improve the use safety of the fuel supply system 100.
Specifically, the first safety line 9 has a first-stage safety valve 901, and when the first-stage safety valve 901 is opened, the corresponding discharge port communicates with the outside to realize the discharge, and the second safety line 10 includes: the manual pressure relief valve 1002 and the second-stage safety valve 1001 connected in parallel can relieve pressure through the manual pressure relief valve 1002 or the second-stage safety valve 1001, so as to avoid safety accidents caused by faults of the pressurizing pipeline 4 and improve safety.
Further, the second safety line 10 and the pressurizing line 4 are also communicated with the air return port 1102 through the air return line 11.
Specifically, the return air line 11 has a return air valve 1101, and the return air valve 1101 communicates with the pressurizing line 4, so that the return air of the liquid fuel bottle 1 can be controlled to improve safety.
In the particular embodiment shown in FIG. 1, fuel supply system 100 further includes: the pressure detection line 13, the pressure detection management includes: the pressure gauge valve 1301, the fuel bottle pressure sensor 1302, the fuel bottle pressure gauge 1303, the pressure gauge valve 1301 is parallelly connected with manual relief valve 1002 and sets up, the export of pressure gauge valve 1301 is with fuel bottle pressure sensor 1302, the pressure of fuel bottle pressure gauge 1303 intercommunication, the real-time detection liquid fuel bottle 1 of fuel bottle pressure sensor 1302, the pressure gauge shows the pressure numerical value in real time, the pressure gauge is convenient for the user observe pressure, and fuel bottle pressure sensor 1302 and controller electrical signal connection, when liquid fuel bottle 1 pressure is too high or the too low, the controller all can feed back to the controller, the work of corresponding safety line or booster pump 201 is controlled to the controller, in order to realize the dynamic balance of fuel supply system 100, improve the job stabilization nature and the security of fuel supply system 100.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the description of the invention, a "first feature" or "second feature" may include one or more of such features.
In the description of the present invention, "plurality" means two or more.
In the description of the invention, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.
In the description of the invention, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A fuel supply system (100) of a fuel cell, characterized by comprising:
a liquid fuel bottle (1), wherein the liquid fuel bottle (1) is provided with a liquid outlet and a pressurized gas phase port;
the pump tank (2), a booster pump (201) is arranged in the pump tank (2), and an inlet of the pump tank (2) is communicated with the liquid outlet;
a supply line (3), the supply line (3) being in communication with a pump outlet of the booster pump (201), the other end being in communication with a fuel inlet of a fuel cell;
a pressurizing pipeline (4), wherein one end of the pressurizing pipeline (4) is communicated with the pump outlet, and the other end of the pressurizing pipeline is communicated with the pressurizing gas phase outlet; wherein the method comprises the steps of
The pressure of the liquid fuel bottle (1) is less than the critical pressure of the liquid fuel.
2. The fuel supply system (100) of a fuel cell according to claim 1, wherein the pump cell (2) further includes: the pump comprises a shell (202) and a liner (203) arranged in the shell (202), wherein the booster pump (201) is arranged in the liner (203), and an inlet and an outlet of the pump pool (2) are formed in the liner (203).
3. The fuel supply system (100) of a fuel cell according to claim 2, further comprising: the first one-way valve (5), the first one-way valve (5) is arranged on the outlet of the pump pool (2), and the pump outlet is communicated with the pressurizing pipeline (4), the supply pipeline (3) and the first one-way valve (5).
4. The fuel supply system (100) of a fuel cell according to claim 1, wherein a liquid outlet valve (6) and a second check valve (7) which are sequentially communicated are further provided between the inlet and the liquid outlet of the pump tank (2).
5. The fuel supply system (100) of a fuel cell according to claim 1, wherein the supply line (3) includes: the fuel device comprises a third one-way valve (301), an overflow valve (302), a carburetor (303), a buffer tank (304), a pressure stabilizing valve (305) and an aviation connector (306) which are communicated in sequence, wherein the third one-way valve (301) is communicated with the first one-way valve (5), and the aviation connector (306) is communicated with the fuel inlet.
6. The fuel supply system (100) of a fuel cell according to claim 1, wherein the pressurizing pipe (4) includes: the automatic supercharging valve (401) is communicated with the pump outlet and the first one-way valve (5), and the supercharger (402) is communicated with the supercharging gas phase.
7. The fuel supply system (100) of a fuel cell according to claim 1, wherein the liquid fuel bottle (1) further comprises: a liquid inlet, a discharge port and a vacuum-pumping port, the fuel supply system (100) further comprising: filling pipeline (8), explosion-proof valve (12) and safety line, filling pipeline (8) with inlet intercommunication, explosion-proof valve (12) with the evacuation mouth intercommunication, safety line with discharge port or boost pipeline (4) intercommunication.
8. The fuel supply system (100) of a fuel cell according to claim 7, wherein the filling line (8) includes: and the filling joint (802) is communicated with the fuel filling port, and the fourth one-way valve (801) is communicated with the liquid inlet.
9. The fuel supply system (100) of a fuel cell according to claim 7, wherein the safety line includes: a first safety line (9) and a second safety line (10), the first safety line (9) being in communication with the discharge opening, the second safety line (10) being in communication with the pressure increasing line (4).
10. The fuel supply system (100) of a fuel cell according to claim 9, wherein the second safety line (10) and the pressurizing line (4) are further communicated with a return air port (1102) through a return air line (11).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111565035.6A CN116314936A (en) | 2021-12-20 | 2021-12-20 | Fuel supply system for fuel cell |
| PCT/CN2022/140295 WO2023116676A1 (en) | 2021-12-20 | 2022-12-20 | Fuel supply system for fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111565035.6A CN116314936A (en) | 2021-12-20 | 2021-12-20 | Fuel supply system for fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116314936A true CN116314936A (en) | 2023-06-23 |
Family
ID=86794731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111565035.6A Pending CN116314936A (en) | 2021-12-20 | 2021-12-20 | Fuel supply system for fuel cell |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN116314936A (en) |
| WO (1) | WO2023116676A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005226750A (en) * | 2004-02-13 | 2005-08-25 | Iwatani Internatl Corp | Liquefied gas feeding apparatus and method of operating the same |
| KR102130703B1 (en) * | 2018-09-20 | 2020-07-07 | 하이리움산업(주) | Liquid hydrogen fueling system including liquid hydrogen storage tank and fueling method thereof |
| JP7018011B2 (en) * | 2018-12-07 | 2022-02-09 | 株式会社神戸製鋼所 | Hydrogen station operation method and hydrogen station |
| CN109707990B (en) * | 2019-01-24 | 2024-03-29 | 张家港氢云新能源研究院有限公司 | Hydrogenation system based on cryogenic high-pressure hydrogen storage |
| CN110131578B (en) * | 2019-05-24 | 2024-03-29 | 张家港氢云新能源研究院有限公司 | Liquid hydrogen stores up high pressure hydrogenation car of hydrogen formula |
| CN113719381B (en) * | 2021-07-21 | 2022-12-13 | 一汽解放汽车有限公司 | Fuel supply system and automobile |
-
2021
- 2021-12-20 CN CN202111565035.6A patent/CN116314936A/en active Pending
-
2022
- 2022-12-20 WO PCT/CN2022/140295 patent/WO2023116676A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023116676A1 (en) | 2023-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8978715B2 (en) | Method for filling a tank with pressurized gas | |
| US7234451B2 (en) | Dual fuel pump configuration for saddle fuel tanks | |
| KR20140113395A (en) | Method for dispensing compressed gases | |
| CN207438138U (en) | It is a kind of vehicle-mounted from pressure and low-temperature liquid hydrogen air supply system | |
| CN113216326B (en) | Non-negative pressure water supply equipment with night small-flow function and water supply method | |
| CN113339245B (en) | Diaphragm compressor single-stage and double-stage switching control system and method | |
| CN107645003A (en) | Fuel-cell vehicle common rail sprays hydrogen system | |
| CN108361554A (en) | A kind of nitrogen supercharging device and its application method | |
| CN215367519U (en) | Double-tank negative-pressure-free water supply equipment | |
| CN116314936A (en) | Fuel supply system for fuel cell | |
| CN102913753A (en) | Storage and gasification project output system of LNG (Liquefied Natural Gas) receiving terminal as well as method | |
| CN112722151A (en) | Marine hydrogen system | |
| CN106481972B (en) | Gas station and its power device and control method | |
| CN217208898U (en) | Control system of hydrogen production and hydrogenation integrated station | |
| CN202868303U (en) | Storage and gasification engineering output system of liquefied natural gas (LNG) accepting station | |
| CN212676314U (en) | Single-port concave low-pressure hydrogen buffering device | |
| CN219222064U (en) | Nitrogen recycling device | |
| CN210716928U (en) | Sequence control valve group | |
| CN208025140U (en) | A kind of nitrogen supercharging device | |
| EP1302354A1 (en) | A fuel delivery system | |
| CN216480245U (en) | Automatic gas filling system | |
| CN105756137A (en) | Steady flow compensation system of water supply equipment | |
| CN207648466U (en) | A kind of liquid gas storage tank supply line structure | |
| CN2644861Y (en) | Low-temperature gas reclaiming device | |
| CN112455702A (en) | Fuel supply system and aircraft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |