CN117374358A - Solid oxide fuel cell power generation system operated by double cell stacks - Google Patents
Solid oxide fuel cell power generation system operated by double cell stacks Download PDFInfo
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- CN117374358A CN117374358A CN202311252332.4A CN202311252332A CN117374358A CN 117374358 A CN117374358 A CN 117374358A CN 202311252332 A CN202311252332 A CN 202311252332A CN 117374358 A CN117374358 A CN 117374358A
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- fuel cell
- solid oxide
- oxide fuel
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- pipeline
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- 239000000446 fuel Substances 0.000 title claims abstract description 109
- 239000007787 solid Substances 0.000 title claims abstract description 94
- 238000010248 power generation Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 24
- 239000001257 hydrogen Substances 0.000 claims description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 23
- 238000010926 purge Methods 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000006057 reforming reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/249—Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
-
- 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
- H01M8/04955—Shut-off or shut-down of fuel cells
-
- 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
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
-
- 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
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M2008/1293—Fuel cells with solid oxide electrolytes
-
- 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 relates to a solid oxide fuel cell power generation system operated by double cell stacks, which comprises a first solid oxide fuel cell stack, a second solid oxide fuel cell stack, a mixer and a reformer, wherein the mixer is respectively communicated with a water source supply system and a fuel supply system; the cathodes of the two battery stacks are respectively communicated with the air supply system through a first pipeline and a second pipeline, the reformer is respectively communicated with the anodes of the two battery stacks through a third pipeline and a fourth pipeline, and a third valve, a fourth valve, a fifth valve and a sixth valve are respectively arranged on the first pipeline, the second pipeline, the third pipeline and the fourth pipeline.
Description
Technical Field
The invention relates to the technical field of solid oxide fuel cell power generation, in particular to a solid oxide fuel cell power generation system operated by a double-cell stack.
Background
The solid oxide fuel cell is a novel all-solid-state structure power generation device, and can directly convert chemical energy in fuel into electric energy through electrochemical reaction, so that the solid oxide fuel cell has the advantage of high power generation efficiency.
In the reaction process of the solid oxide, impurities may be accumulated at an anode inlet, so that the power generation efficiency is reduced, the service life of a battery is influenced for a long time, and the reaction temperature of the solid oxide fuel cell is up to 800-1000 ℃, and at the high temperature, interference factors such as current and air flow disturbance are added, so that the microstructure and a sealing structure of the solid oxide fuel cell can be destroyed, the performance of the battery is reduced, the service life is reduced, and if the battery reactor is stopped and maintained at the moment, the power generation system stops supplying power, and the power supply requirement cannot be met; there is a need for a power generation system that does not cause the entire power generation system to cease to supply power when one solid oxide fuel cell stack in the system fails and requires maintenance.
Disclosure of Invention
In order to solve the above problems, the present invention provides a solid oxide fuel cell power generation system in which a dual cell stack is operated.
A solid oxide fuel cell power generation system with double cell stacks comprises a first solid oxide fuel cell stack, a second solid oxide fuel cell stack, a mixer communicated with a water source supply system and a fuel supply system respectively, and a reformer communicated with the mixer; the cathode of the first solid oxide fuel cell stack and the cathode of the second solid oxide fuel cell stack are respectively communicated with an air supply system through a first pipeline and a second pipeline, the reformer is respectively communicated with the anode of the first solid oxide fuel cell stack and the anode of the second solid oxide fuel cell stack through a third pipeline and a fourth pipeline, and the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are respectively provided with a valve No. three, a valve No. four, a valve No. five and a valve No. six.
Further, the anode tail gas outlet of the first solid oxide fuel cell stack and the anode tail gas outlet of the second solid oxide fuel cell stack are both communicated with the mixer.
Further, the cathode tail gas outlet of the first solid oxide fuel cell stack and the cathode tail gas outlet of the second solid oxide fuel cell stack are respectively communicated with a first steam turbine and a second steam turbine.
Furthermore, the air supply system, the fuel supply system and the water source supply system are respectively provided with a first heat exchanger, a second heat exchanger and a third heat exchanger, and a fourth heat exchanger is arranged between the mixer and the reformer.
Further, the mixer is communicated with the combustion chamber, and the combustion chamber is respectively communicated with the first heat exchanger, the second heat exchanger, the third heat exchanger and the fourth heat exchanger.
Further, the cathodes and anodes of the first solid oxide fuel cell stack and the second solid oxide fuel cell stack are respectively provided with a first purge line and a second purge line.
Further, the first purge line includes a fifth line that communicates the air supply system with the cathode of the first solid oxide fuel cell stack, a sixth line that communicates the air supply system with the cathode of the second solid oxide fuel cell stack; the fifth pipeline and the sixth pipeline are respectively provided with a first valve and a second valve.
Further, the second purging pipeline comprises a cooling pipeline communicated with the reformer, a seventh pipeline and an eighth pipeline which are respectively communicated with the cooling pipeline, the seventh pipeline is communicated with the anode of the first solid oxide fuel cell stack and is provided with a seventh valve, and the eighth pipeline is communicated with the anode of the second solid oxide fuel cell stack and is provided with an eighth valve.
Further, a valve No. nine, a hydrogen compressor and a heat exchanger No. five are sequentially arranged on the cooling pipeline.
Furthermore, the third valve, the fourth valve, the fifth valve, the sixth valve, the seventh valve, the eighth valve and the ninth valve are all high-temperature butterfly valves.
Compared with the prior art, the invention has the beneficial effects that: the system is provided with the first solid oxide fuel cell stack and the second solid oxide fuel cell stack, the two cell stacks are communicated with each other through the first pipeline, the second pipeline, the third pipeline, the fourth pipeline and the like to generate power, when one cell stack fails and needs maintenance, the power generation operation of the cell stack can be cut off through closing the corresponding valve, and the other cell stack normally generates power, so that the whole system is prevented from stopping power supply.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic flow chart of a system control method according to the present invention.
The names of the components marked in the figures are as follows:
1. an air compressor; 2. a fuel compressor; 3. a mixer; 4. a reformer; 5. a number one solid oxide fuel cell stack; 6. a solid oxide fuel cell stack No. two; 7. a first steam turbine; 8. a second steam turbine; 9. a water pump; 10. a hydrogen compressor; 11. a first heat exchanger; 12. a second heat exchanger; 13. a third heat exchanger; 14. a fourth heat exchanger; 15. a fifth heat exchanger; 16. a combustion chamber; 17. a valve I; 18. a valve II; 19. a valve III; 20. a valve IV; 21. a fifth valve; 22. a valve number six; 23. a valve number seven; 24. a valve No. eight; 25. and a valve No. nine.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, a solid oxide fuel cell power generation system for double-cell stack operation comprises a first solid oxide fuel cell stack 5, a second solid oxide fuel cell stack 6, a mixer 3 respectively communicated with a water source supply system and a fuel supply system, and a reformer 4 communicated with the mixer 3; the cathode of the first solid oxide fuel cell stack 5 and the cathode of the second solid oxide fuel cell stack 6 are respectively communicated with an air supply system through a first pipeline and a second pipeline, the reformer 4 is respectively communicated with the anode of the first solid oxide fuel cell stack 5 and the anode of the second solid oxide fuel cell stack 6 through a third pipeline and a fourth pipeline, and a third valve 19, a fourth valve 20, a fifth valve 21 and a sixth valve 22 are respectively arranged on the first pipeline, the second pipeline, the third pipeline and the fourth pipeline; therefore, when one of the battery stacks fails and needs maintenance, the power generation operation of the battery stack can be cut off by closing the corresponding valve, and the other battery stack normally generates power, so that the whole system is prevented from stopping power supply; the first heat exchanger 11, the second heat exchanger 12 and the third heat exchanger 13 are respectively arranged in the air supply system, the fuel supply system and the water source supply system, so that the air, the fuel and the water entering the cell stack are heated, and the efficiency is improved; a fourth heat exchanger 14 is arranged between the mixer 3 and the reformer 4, and is used for carrying out secondary heating on the gas coming out of the mixer 3, so that the efficiency is improved; the mixer 3 is communicated with the combustion chamber 16, the combustion chamber 16 is respectively communicated with the first heat exchanger 11, the second heat exchanger 12, the third heat exchanger 13 and the fourth heat exchanger 14, and the heat value of the carbon monoxide and the hydrogen is converted into heat energy through burning the carbon monoxide and the hydrogen of the part mixer 3, so that the heat exchangers are directly heated to supply heat for the heat exchangers, and meanwhile, the heat energy generated by the high-temperature carbon monoxide and the hydrogen which enter the combustion chamber 16 is higher, so that the temperature requirement of the system heat exchanger can be met.
More preferably, the anode tail gas outlet of the first solid oxide fuel cell stack 5 and the anode tail gas outlet of the second solid oxide fuel cell stack 6 are communicated with the mixer 3, the hydrogen and the water vapor which are not fully reacted are led into the mixer 3, the temperature of the tail gas is fully utilized, the hydrogen which is not fully reacted can be reused, and the water vapor can be used as a reforming reaction raw material, so that the high-efficiency energy utilization is realized; and the cathode tail gas outlet of the first solid oxide fuel cell stack 5 and the cathode tail gas outlet of the second solid oxide fuel cell stack 6 are respectively communicated with the first steam turbine 7 and the second steam turbine 8, the heat energy is converted from the cathode tail gas by the steam turbine, the anode tail gas is recycled, the power generation efficiency of the solid oxide fuel cell is improved, and the energy conservation and the emission reduction are realized.
Further, the cathodes and anodes of the first solid oxide fuel cell stack 5 and the second solid oxide fuel cell stack 6 are respectively provided with a first purging pipeline and a second purging pipeline, so that the stacks can be purged to regulate the temperature and the flow; specifically, the first purge line includes a fifth line that communicates the air supply system with the cathode of the first solid oxide fuel cell stack 5, and a sixth line that communicates the air supply system with the cathode of the second solid oxide fuel cell stack 6, and the fifth line and the sixth line are provided with a first valve 17 and a second valve 18, respectively; when the first solid oxide fuel cell stack 5 is operating normally, the first valve 17 is closed and the third valve 19 is opened; when the first solid oxide fuel cell stack 5 needs to be maintained, the third valve 19 is closed, the first valve 17 is opened, the fifth pipeline blows air to the cathode of the first solid oxide fuel cell stack 5, so that the cathode is quickly cooled, the maintenance is convenient, the fourth valve 20 is opened, the second valve 18 is closed, and the second solid oxide fuel cell stack 6 normally generates electricity; when the temperature of the first solid oxide fuel cell stack 5 needs to be regulated, the opening of the first valve 17 and the third valve 19 can be opened to regulate the temperature;
the second purging pipeline comprises a cooling pipeline communicated with the reformer 4, a seventh pipeline and an eighth pipeline which are respectively communicated with the cooling pipeline, wherein the seventh pipeline is communicated with the anode of the first solid oxide fuel cell stack 5 and is provided with a seventh valve 23, and the eighth pipeline is communicated with the anode of the second solid oxide fuel cell stack 6 and is provided with an eighth valve 24; when the first solid oxide fuel cell stack 5 needs to be maintained, the fifth valve 21 is closed, the seventh valve 23 is opened, and the anode of the first solid oxide fuel cell stack 5 is purged and cooled after the gas from the reformer 4 is cooled by the cooling pipeline, so that the maintenance is convenient; a valve No. 25, a hydrogen compressor 10 and a heat exchanger No. 15 are sequentially arranged on the cooling pipeline, and a part of gas from the reformer 4 enters the hydrogen compressor 10 through the valve No. 25 and is cooled through the heat exchanger No. 15 after being compressed; and the valve No. 19, the valve No. 20, the valve No. 21, the valve No. 22, the valve No. 23, the valve No. 24 and the valve No. 25 are all high-temperature butterfly valves, can resist high temperature of more than 800 ℃ and meet the system requirement.
The working principle of the invention is as follows:
when the two solid oxide fuel cell stacks normally operate, the first valve 17 and the second valve 18 are in a closed state, the third valve 19 and the fourth valve 20 are in an open state, the air compressor 1 of the air supply system compresses air and sends the air into the first heat exchanger 11 for heating, then the air enters the cathodes of the two solid oxide fuel cell stacks respectively for reaction, and unreacted air or cathode tail gas enters the steam turbine for recycling; meanwhile, after fuel such as methane is compressed by a fuel compressor 2 of a fuel supply system, the fuel is sent to a third heat exchanger 13 for preliminary heating, a water pump 9 of a water source supply system sends water to a second heat exchanger 12 for heating, the heated fuel and steam are sent to a mixer 3 for mixing, then part of carbon monoxide and hydrogen of the mixed gas are sent to a combustion chamber 16 for combustion, the speed of reforming reaction can be pushed, the heat of combustion is used for the heat supplement of the second heat exchanger 12, the third heat exchanger 13 and the fourth heat exchanger 14, the other part of the mixed gas is sent to the fourth heat exchanger 14 for secondary heating, the aim is to reach the reaction temperature of reforming reaction, the mixed gas is screened in a reformer 4, the proportion of hydrogen generated in the reformer 4 can be controlled by regulating the proportion of methane, carbon monoxide and steam, pure hydrogen is output to anodes of a cell stack, a fifth valve 21 and a sixth valve 22 are opened, a ninth valve 25, a hydrogen compressor 10, a fifth heat exchanger 15 and the like are closed, and the reformer 4 sends pure high-temperature hydrogen to the anode of two solid oxide fuel cells respectively, the hydrogen is not completely reacted with the hydrogen, and the steam is not completely reacted in the electrochemical reactor, and the hydrogen is completely mixed with the steam is obtained, and the steam is completely reacted in the electrochemical reactor, and the steam is completely reacted in the hydrogen;
when it is monitored that the power generation efficiency of one solid oxide fuel cell stack is abnormal and maintenance is needed, taking the abnormality of the first solid oxide fuel cell stack 5 as an example, opening the first valve 17 and the fourth valve 20, closing the second valve 18 and the third valve 19, after air passes through the air compressor 1, part of air enters the cathode of the first solid oxide fuel cell stack 5 through the first valve 17 to purge and cool the cathode, and the other part of air enters the cathode of the second solid oxide fuel cell stack 6 to perform electrochemical reaction after being heated by the first heat exchanger 11, and the gas without reaction enters the second turbine 8 to perform energy recovery; meanwhile, after methane is compressed by the fuel compressor 2, the methane is sent to the third heat exchanger 13 for preliminary heating, the methane is initially mixed with steam passing through the second heat exchanger 12 in the mixer 3, a part of mixed gas is sent to the combustion chamber 16 by the mixer 3, part of combustible gas is combusted, the speed of reforming reaction can be pushed, the combusted heat is used for the heat supplement of the second heat exchanger 12, the third heat exchanger 13 and the fourth heat exchanger 14, the other part of the mixed gas is sent to the fourth heat exchanger 14 for secondary heating and then enters the reformer 4, at the moment, the fifth valve 21 and the eighth valve 24 are closed, the sixth valve 22, the seventh valve 23 and the ninth valve 25 are opened, a part of high-temperature hydrogen coming out of the reformer 4 enters the hydrogen compressor 10 through the ninth valve 25 and then enters the fifth heat exchanger 15 for cooling, the cooled hydrogen passes through the seventh valve 23 and then cools the first solid oxide fuel cell stack 5, the rest of the hydrogen is discharged into the mixer 3, and the other part of high-temperature hydrogen coming out of the reformer 4 enters the second solid oxide fuel cell stack 6 through the sixth valve 22 for purging and then enters the electrochemical reactor 3 for recycling.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (10)
1. A solid oxide fuel cell power generation system operated by double cell stacks is characterized by comprising a first solid oxide fuel cell stack, a second solid oxide fuel cell stack, a mixer communicated with a water source supply system and a fuel supply system respectively, and a reformer communicated with the mixer; the cathode of the first solid oxide fuel cell stack and the cathode of the second solid oxide fuel cell stack are respectively communicated with an air supply system through a first pipeline and a second pipeline, the reformer is respectively communicated with the anode of the first solid oxide fuel cell stack and the anode of the second solid oxide fuel cell stack through a third pipeline and a fourth pipeline, and the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are respectively provided with a valve No. three, a valve No. four, a valve No. five and a valve No. six.
2. The dual stack operating solid oxide fuel cell power generation system of claim 1 wherein the anode tailgas outlet of the first solid oxide fuel cell stack and the anode tailgas outlet of the second solid oxide fuel cell stack are both in communication with the mixer.
3. The dual stack operating solid oxide fuel cell power generation system of claim 1 wherein the cathode exhaust outlet of the first solid oxide fuel cell stack and the cathode exhaust outlet of the second solid oxide fuel cell stack are in communication with a first turbine and a second turbine, respectively.
4. The solid oxide fuel cell power generation system operated by a dual cell stack according to claim 1, wherein a first heat exchanger, a second heat exchanger and a third heat exchanger are respectively arranged in the air supply system, the fuel supply system and the water source supply system, and a fourth heat exchanger is arranged between the mixer and the reformer.
5. The dual stack operating solid oxide fuel cell power generation system of claim 4 wherein the mixer is in communication with a combustion chamber in communication with the first heat exchanger, the second heat exchanger, the third heat exchanger, and the fourth heat exchanger, respectively.
6. The dual stack operating solid oxide fuel cell power generation system of any of claims 1-5, wherein the cathode and anode of the first and second solid oxide fuel cell stacks are provided with a first purge line and a second purge line, respectively.
7. The dual stack operating solid oxide fuel cell power generation system of claim 6 wherein the first purge line comprises a fifth line communicating the air supply system with the cathode of the solid oxide fuel cell stack No. one, a sixth line communicating the air supply system with the cathode of the solid oxide fuel cell stack No. two; the fifth pipeline and the sixth pipeline are respectively provided with a first valve and a second valve.
8. The dual stack operating solid oxide fuel cell power generation system of claim 6 wherein the second purge line comprises a cool down line in communication with the reformer, a seventh line in communication with the cool down line and an eighth line in communication with the anode of the first solid oxide fuel cell stack and provided with a valve No. seven, and the eighth line in communication with the anode of the second solid oxide fuel cell stack and provided with a valve No. eight.
9. The solid oxide fuel cell power generation system operated by the double cell stack according to claim 8, wherein a valve No. nine, a hydrogen compressor and a heat exchanger No. five are sequentially arranged on the cooling pipeline.
10. The dual stack operating solid oxide fuel cell power generation system of claim 9 wherein the valve No. three, the valve No. four, the valve No. five, the valve No. six, the valve No. seven, the valve No. eight, and the valve No. nine are high temperature butterfly valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311252332.4A CN117374358B (en) | 2023-09-26 | 2023-09-26 | Solid oxide fuel cell power generation system operated by double cell stacks |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311252332.4A CN117374358B (en) | 2023-09-26 | 2023-09-26 | Solid oxide fuel cell power generation system operated by double cell stacks |
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| CN117374358A true CN117374358A (en) | 2024-01-09 |
| CN117374358B CN117374358B (en) | 2024-05-31 |
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| CN202311252332.4A Active CN117374358B (en) | 2023-09-26 | 2023-09-26 | Solid oxide fuel cell power generation system operated by double cell stacks |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6444338B1 (en) * | 1998-12-02 | 2002-09-03 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system with improved startability |
| CN104205457A (en) * | 2012-04-09 | 2014-12-10 | Toto株式会社 | Solid oxide fuel cell system |
| CN104386071A (en) * | 2014-07-16 | 2015-03-04 | 苏州华清京昆新能源科技有限公司 | Mixed fuel cell power system |
| CN108539225A (en) * | 2018-05-16 | 2018-09-14 | 潍柴动力股份有限公司 | The startup method and solid oxide fuel cell of solid oxide fuel cell |
| CN108711631A (en) * | 2018-05-16 | 2018-10-26 | 潍柴动力股份有限公司 | Solid oxide fuel battery system and its startup method |
| CN111446466A (en) * | 2019-01-16 | 2020-07-24 | 国家能源投资集团有限责任公司 | Multi-stage solid oxide fuel cell system, power generation system and power generation method |
| CN213150830U (en) * | 2020-09-16 | 2021-05-07 | 深圳市燃气集团股份有限公司 | Power supply system of dual-fuel battery |
| CN116207310A (en) * | 2023-03-20 | 2023-06-02 | 中自环保科技股份有限公司 | SOFC system for recycling tail gas and starting method |
-
2023
- 2023-09-26 CN CN202311252332.4A patent/CN117374358B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6444338B1 (en) * | 1998-12-02 | 2002-09-03 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system with improved startability |
| CN104205457A (en) * | 2012-04-09 | 2014-12-10 | Toto株式会社 | Solid oxide fuel cell system |
| CN104386071A (en) * | 2014-07-16 | 2015-03-04 | 苏州华清京昆新能源科技有限公司 | Mixed fuel cell power system |
| CN108539225A (en) * | 2018-05-16 | 2018-09-14 | 潍柴动力股份有限公司 | The startup method and solid oxide fuel cell of solid oxide fuel cell |
| CN108711631A (en) * | 2018-05-16 | 2018-10-26 | 潍柴动力股份有限公司 | Solid oxide fuel battery system and its startup method |
| CN111446466A (en) * | 2019-01-16 | 2020-07-24 | 国家能源投资集团有限责任公司 | Multi-stage solid oxide fuel cell system, power generation system and power generation method |
| CN213150830U (en) * | 2020-09-16 | 2021-05-07 | 深圳市燃气集团股份有限公司 | Power supply system of dual-fuel battery |
| CN116207310A (en) * | 2023-03-20 | 2023-06-02 | 中自环保科技股份有限公司 | SOFC system for recycling tail gas and starting method |
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| Publication number | Publication date |
|---|---|
| CN117374358B (en) | 2024-05-31 |
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