CN117352771B - Inlet coupling device of methanol-hydrogen dual-fuel ship fuel cell system - Google Patents
Inlet coupling device of methanol-hydrogen dual-fuel ship fuel cell system Download PDFInfo
- Publication number
- CN117352771B CN117352771B CN202311341715.9A CN202311341715A CN117352771B CN 117352771 B CN117352771 B CN 117352771B CN 202311341715 A CN202311341715 A CN 202311341715A CN 117352771 B CN117352771 B CN 117352771B
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- CN
- China
- Prior art keywords
- hydrogen
- methanol
- pressure sensor
- air inlet
- buffer tank
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 85
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 85
- 239000000446 fuel Substances 0.000 title claims abstract description 35
- 230000008878 coupling Effects 0.000 title claims abstract description 11
- 238000010168 coupling process Methods 0.000 title claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 90
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 claims abstract description 27
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 24
- 230000009977 dual effect Effects 0.000 claims 2
- 239000000295 fuel oil Substances 0.000 claims 2
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Classifications
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- 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
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; Flow
- H01M8/04388—Pressure; Ambient pressure; Flow of anode reactants at the inlet or inside the fuel cell
-
- 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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
-
- 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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
- H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
-
- 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
- H01M8/22—Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elements; Fuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2457—Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses an air inlet coupling device of a methanol-hydrogen dual-fuel ship fuel cell system, which is provided with an air inlet buffer tank pressure sensor and an air supply pressure sensor, and can detect the air inlet buffer tank pressure and the air supply pressure in real time and transmit detection signals to a controller, wherein the controller controls the opening of a first proportional regulating valve and a second proportional regulating valve according to the air inlet buffer tank pressure and the air supply pressure so as to flexibly distribute the flow of two paths, thereby regulating the work load of a methanol on-line hydrogen production device, leading the methanol on-line hydrogen production device to work at an optimal point and improving the overall work efficiency; the air inlet buffer tank provided by the invention can further reduce pressure impact on the methanol on-line hydrogen production and supply branch circuit caused by air inlet flow or pressure fluctuation, thereby ensuring the working stability of the methanol on-line hydrogen production device. The air supply buffer tank is preferably arranged, so that the output stability can be further ensured, and the operation reliability of a downstream fuel cell system is improved.
Description
Technical Field
The invention relates to an air inlet device of a methanol-hydrogen dual-fuel ship fuel cell system, in particular to an air inlet coupling device of the methanol-hydrogen dual-fuel ship fuel cell system.
Background
The clean and efficient fuel cell is adopted by the fuel cell ship in the new energy ship field, particularly the methanol hydrogen dual-fuel ship, hydrogen is supplied to the fuel cell system simultaneously through the methanol on-line hydrogen production and hydrogen storage system, so that the problems of difficult hydrogenation and hydrogen storage of the fuel cell ship are solved, and the fuel cell ship becomes one of the main stream schemes of the power system integration of the fuel cell ship. The prior methanol-hydrogen dual-fuel ship fuel cell system is provided with a methanol on-line hydrogen production and supply branch and a hydrogen storage system hydrogen supply branch, the methanol on-line hydrogen production and supply branch and the hydrogen storage system hydrogen supply branch are connected with an air supply pipe, and the air supply pipe is connected with the fuel cell system. The inlet flow or pressure of the hydrogen supply branch of the existing methanol on-line hydrogen production and supply branch of the hydrogen storage system cannot be dynamically adjusted, and the output power of the fuel cell system needs to be dynamically adjusted according to the running condition, so that the fluctuation of the inlet flow or pressure is caused, and the working stability of the methanol hydrogen production device is directly affected.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provides an air inlet coupling device of a methanol-hydrogen dual-fuel ship fuel cell system.
The technical scheme of the invention is as follows: an air inlet coupling device of a methanol-hydrogen dual-fuel ship fuel cell system is provided with a methanol online hydrogen production and supply branch and a hydrogen storage system hydrogen supply branch, wherein the methanol online hydrogen production and supply branch and the hydrogen storage system hydrogen supply branch are connected with an air supply pipe through a hydrogen converging part, a first air inlet valve, an air inlet buffer tank and a first proportional regulating valve are sequentially arranged on the methanol online hydrogen production and supply branch along the air inlet direction, and a buffer pressure sensor is arranged on the air inlet buffer tank; a second air inlet valve and a second proportional regulating valve are sequentially arranged on a hydrogen supply branch of the hydrogen storage system along the air inlet direction; the other ends of the first proportional regulating valve and the second proportional regulating valve are connected with a hydrogen converging part, a gas supply pressure sensor is arranged on the hydrogen converging part or the gas supply pipe, and a gas supply valve positioned at the rear end of the gas supply pressure sensor is also arranged on the gas supply pipe; the device is provided with a controller, the buffer pressure sensor and the air supply pressure sensor are connected with the input end of the controller, and the first proportional regulating valve and the second proportional regulating valve are connected with the output end of the controller.
The hydrogen converging component is a three-way valve, and the air supply pressure sensor is arranged on the air supply pipe.
The hydrogen converging component is a gas supply buffer tank, and the gas supply pressure sensor is arranged on the gas supply buffer tank.
The pressure sensor of the air inlet buffer tank and the air supply pressure sensor provided by the invention can detect the pressure of the air inlet buffer tank and the air supply pressure in real time and transmit detection signals to the controller, and the controller controls the opening of the first proportional regulating valve and the second proportional regulating valve according to the pressure of the air inlet buffer tank and the air supply pressure so as to flexibly distribute the flow of two paths, thereby regulating the work load of the methanol on-line hydrogen production device, enabling the methanol on-line hydrogen production device to work on an optimal point and improving the overall work efficiency; the air inlet buffer tank provided by the invention can further reduce pressure impact on the methanol on-line hydrogen production and supply branch circuit caused by air inlet flow or pressure fluctuation, thereby ensuring the working stability of the methanol on-line hydrogen production device. The air supply buffer tank is preferably arranged, so that the output stability can be further ensured, and the operation reliability of a downstream fuel cell system is improved.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of embodiment 2 of the present invention.
Detailed Description
Example 1
The invention discloses an air inlet coupling device of a methanol-hydrogen dual-fuel ship fuel cell system, which is shown in figure 1, and is characterized in that other connections except electric connection are all pipeline connections. The device is the same as the prior art, and comprises a methanol on-line hydrogen production and supply branch 1 and a hydrogen storage system hydrogen supply branch 2, wherein the methanol on-line hydrogen production and supply branch 1 is connected with a methanol on-line hydrogen production device, the hydrogen storage system hydrogen supply branch 2 is connected with a hydrogen storage system, the device is different from the prior art in that the methanol on-line hydrogen production and supply branch 1 and the hydrogen storage system hydrogen supply branch 2 are connected with an air supply pipe 4 through a hydrogen converging part 3, and the hydrogen converging part 3 is a three-way valve. A first air inlet valve 5, an air inlet buffer tank 6 and a first proportional regulating valve 7 are sequentially arranged on the methanol online hydrogen production and supply branch 1 along the air inlet direction, and a buffer pressure sensor 8 is arranged on the air inlet buffer tank 6; a second air inlet valve 9 and a second proportional regulating valve 10 are sequentially arranged on the hydrogen supply branch 2 of the hydrogen storage system along the air inlet direction; the air supply pipe 4 is provided with an air supply pressure sensor 11, and the air supply pipe 4 is also provided with an air supply valve (12) positioned at the rear end of the air supply pressure sensor 11; as shown in fig. 2, a controller 13 is provided, the buffer pressure sensor 8 and the air supply pressure sensor 11 are connected to the input end of the controller 13, and the first proportional control valve 7 and the second proportional control valve 10 are connected to the output end of the controller 13. The first intake valve 5, the second intake valve 9, and the three-way valve may be manual valves or may be electric valves connected to the controller 13.
Example 2
The intake coupling device of the fuel cell system of the methanol-hydrogen dual-fuel ship according to the present invention is shown in fig. 2, and has the same basic structure as that of the embodiment 1, except that the hydrogen converging part 3 is a gas supply buffer tank, and the gas supply pressure sensor 11 is disposed on the gas supply buffer tank.
Claims (3)
1. An intake coupling device of a methanol-hydrogen dual-fuel ship fuel cell system is provided with a methanol online hydrogen production and supply branch (1) and a hydrogen storage system hydrogen supply branch (2), and is characterized in that: the methanol online hydrogen production and supply branch (1) and the hydrogen storage system hydrogen supply branch (2) are connected with the gas supply pipe (4) through the hydrogen converging component (3), a first gas inlet valve (5), a gas inlet buffer tank (6) and a first proportional regulating valve (7) are sequentially arranged on the methanol online hydrogen production and supply branch (1) along the gas inlet direction, and a buffer pressure sensor (8) is arranged on the gas inlet buffer tank (6); a second air inlet valve (9) and a second proportional regulating valve (10) are sequentially arranged on the hydrogen supply branch (2) of the hydrogen storage system along the air inlet direction; the hydrogen converging part (3) or the gas supply pipe (4) is provided with a gas supply pressure sensor (11), and the gas supply pipe (4) is also provided with a gas supply valve (12) positioned at the rear end of the gas supply pressure sensor (11); the device is provided with a controller (13), the buffer pressure sensor (8) and the air supply pressure sensor (11) are connected with the input end of the controller (13), and the first proportional regulating valve (7) and the second proportional regulating valve (10) are connected with the output end of the controller (13);
the buffer pressure sensor (8) and the air supply pressure sensor (11) detect the buffer pressure and the air supply pressure of the air inlet tank in real time and transmit detection signals to the controller (13), the controller (13) controls the opening of the first proportional regulating valve (7) and the second proportional regulating valve (10) according to the air inlet buffer tank pressure and the air supply pressure, and the flow of the methanol online hydrogen production and supply branch (1) and the flow of the hydrogen supply branch (2) of the hydrogen storage system are distributed, so that the work load of the methanol online hydrogen production device is regulated, the methanol online hydrogen production device works on the optimal point, and the overall work efficiency is improved.
2. The methanol to hydrogen dual fuel marine fuel cell system intake coupling apparatus of claim 1, wherein: the hydrogen converging part (3) is a three-way valve, and the air supply pressure sensor (11) is arranged on the air supply pipe (4).
3. The methanol to hydrogen dual fuel marine fuel cell system intake coupling apparatus of claim 1, wherein: the hydrogen converging part (3) is a gas supply buffer tank, and the gas supply pressure sensor (11) is arranged on the gas supply buffer tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311341715.9A CN117352771B (en) | 2023-10-17 | 2023-10-17 | Inlet coupling device of methanol-hydrogen dual-fuel ship fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311341715.9A CN117352771B (en) | 2023-10-17 | 2023-10-17 | Inlet coupling device of methanol-hydrogen dual-fuel ship fuel cell system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117352771A CN117352771A (en) | 2024-01-05 |
| CN117352771B true CN117352771B (en) | 2024-05-14 |
Family
ID=89360869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311341715.9A Active CN117352771B (en) | 2023-10-17 | 2023-10-17 | Inlet coupling device of methanol-hydrogen dual-fuel ship fuel cell system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117352771B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069064A (en) * | 2017-03-10 | 2017-08-18 | 同济大学 | A kind of fuel cell system and method based on live hydrogen manufacturing |
| CN114976120A (en) * | 2022-06-02 | 2022-08-30 | 上海恒劲动力科技有限公司 | Vehicle-mounted power system of hydrogen and methanol dual-fuel emergency power supply |
-
2023
- 2023-10-17 CN CN202311341715.9A patent/CN117352771B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069064A (en) * | 2017-03-10 | 2017-08-18 | 同济大学 | A kind of fuel cell system and method based on live hydrogen manufacturing |
| CN114976120A (en) * | 2022-06-02 | 2022-08-30 | 上海恒劲动力科技有限公司 | Vehicle-mounted power system of hydrogen and methanol dual-fuel emergency power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117352771A (en) | 2024-01-05 |
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