CN211959101U - Photovoltaic coupling molten carbonate fuel cell cooling, heating and power system - Google Patents
Photovoltaic coupling molten carbonate fuel cell cooling, heating and power system Download PDFInfo
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- CN211959101U CN211959101U CN202021010481.1U CN202021010481U CN211959101U CN 211959101 U CN211959101 U CN 211959101U CN 202021010481 U CN202021010481 U CN 202021010481U CN 211959101 U CN211959101 U CN 211959101U
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- 239000000446 fuel Substances 0.000 title claims abstract description 109
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 title claims abstract description 92
- 238000010438 heat treatment Methods 0.000 title claims abstract description 44
- 238000001816 cooling Methods 0.000 title claims abstract description 39
- 230000008878 coupling Effects 0.000 title claims abstract description 4
- 238000010168 coupling process Methods 0.000 title claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 4
- 238000010248 power generation Methods 0.000 claims abstract description 39
- 239000007789 gas Substances 0.000 claims description 118
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 56
- 239000001257 hydrogen Substances 0.000 claims description 53
- 229910052739 hydrogen Inorganic materials 0.000 claims description 53
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 38
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 32
- 239000001301 oxygen Substances 0.000 claims description 32
- 229910052760 oxygen Inorganic materials 0.000 claims description 32
- 238000000926 separation method Methods 0.000 claims description 31
- 238000004519 manufacturing process Methods 0.000 claims description 30
- 238000004146 energy storage Methods 0.000 claims description 23
- 239000001569 carbon dioxide Substances 0.000 claims description 17
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 6
- 239000002918 waste heat Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 11
- 238000005057 refrigeration Methods 0.000 description 7
- 125000004122 cyclic group Chemical group 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- SKMZPYILQSEODV-UHFFFAOYSA-N carbon dioxide;carbonic acid Chemical compound O=C=O.OC(O)=O SKMZPYILQSEODV-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E60/50—Fuel cells
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
本实用新型公开了光伏耦合熔融碳酸盐燃料电池冷热电系统，通过耦合光伏发电系统、气体系统、熔融碳酸盐燃料电池发电系统和制冷制热系统，可有效利用可再生能源实现供电、供冷、供热，同时提高熔融碳酸盐燃料电池的利用方式和应用领域。
The utility model discloses a photovoltaic coupled molten carbonate fuel cell cooling and heating system. By coupling a photovoltaic power generation system, a gas system, a molten carbonate fuel cell power generation system and a cooling and heating system, renewable energy can be effectively utilized to achieve power supply, Provide cooling and heating, and at the same time improve the utilization and application fields of molten carbonate fuel cells.
Description
技术领域technical field
本实用新型属于冷热电系统和燃料电池技术领域，特别涉及光伏耦合熔融碳酸盐燃料电池冷热电系统。The utility model belongs to the technical field of a cold-thermoelectric system and a fuel cell, in particular to a cold-thermoelectric system of a photovoltaic coupled molten carbonate fuel cell.
背景技术Background technique
熔融碳酸盐燃料电池作为一种清洁高效的高温发电装置，具有燃料来源广，可与燃气轮机、可再生能源组成联合发电系统，并且燃料电池尾气温度高，可实现供冷供热。目前国内熔融碳酸盐燃料电池处于应用推广阶段，系统集成性水平有待提高。As a clean and efficient high-temperature power generation device, molten carbonate fuel cell has a wide range of fuel sources, and can form a combined power generation system with gas turbines and renewable energy. At present, domestic molten carbonate fuel cells are in the stage of application and promotion, and the level of system integration needs to be improved.
实用新型内容Utility model content
为了解决现有技术中存在的问题，本实用新型的目的在于提供一种光伏耦合熔融碳酸盐燃料电池冷热电系统，通过耦合光伏发电系统、气体系统、熔融碳酸盐燃料电池发电系统、制冷制热系统，可有效利用可再生能源实现供电、供冷、供热，同时提高熔融碳酸盐燃料电池的利用方式和应用领域。In order to solve the problems existing in the prior art, the purpose of this utility model is to provide a photovoltaic coupled molten carbonate fuel cell cold and thermal power system, by coupling photovoltaic power generation system, gas system, molten carbonate fuel cell power generation system, The cooling and heating system can effectively use renewable energy to achieve power supply, cooling and heating, and at the same time improve the utilization and application fields of molten carbonate fuel cells.
为了达到上述目的，本实用新型采用的技术方案是，光伏耦合熔融碳酸盐燃料电池冷热电系统包括光伏发电系统、熔融碳酸盐燃料电池系统和制冷制热系统，光伏发电系统与熔融碳酸盐燃料电池系统通过气体系统连接，气体系统用于为熔融碳酸盐燃料电池系统提供反应所需气体，熔融碳酸盐燃料电池系统用于为用户供电；熔融碳酸盐燃料电池系统阳极侧尾气输出端连接催化燃烧系统，催化燃烧系统尾气出口连接气体分离系统，催化燃烧系统的供能出口与制冷制热系统连接，用于将催化燃烧产生的气体余热导入制冷制热系统为用户供冷供热；熔融碳酸盐燃料电池系统阴极侧尾气输出端连接气体分离系统，气体分离系统尾气出口连接制冷制热系统，制冷制热系统用于为用户供冷供热。In order to achieve the above purpose, the technical solution adopted by the present invention is that the photovoltaic coupled molten carbonate fuel cell cold and thermal power system includes a photovoltaic power generation system, a molten carbonate fuel cell system and a cooling and heating system, and the photovoltaic power generation system and the molten carbon The carbonate fuel cell system is connected by a gas system, the gas system is used to provide the gas required for the reaction of the molten carbonate fuel cell system, and the molten carbonate fuel cell system is used to supply power to users; the anode side of the molten carbonate fuel cell system The tail gas output end is connected to the catalytic combustion system, the tail gas outlet of the catalytic combustion system is connected to the gas separation system, and the energy supply outlet of the catalytic combustion system is connected to the cooling and heating system, which is used to introduce the gas waste heat generated by the catalytic combustion into the cooling and heating system to provide cooling for users Heat supply; the tail gas output of the cathode side of the molten carbonate fuel cell system is connected to the gas separation system, and the tail gas outlet of the gas separation system is connected to the cooling and heating system, which is used to provide cooling and heating for users.
进一步的，气体系统包括储能系统和制氢系统，光伏发电系统连接储能系统，储能系统用于存储光伏发电系统产生的电能，储能系统的输出端连接制氢系统，用于为制氢系统提供电能；制氢系统用于电解制得氢气和氧气，且制氢系统设置有氢气出口和氧气出口，氢气出口与熔融碳酸盐燃料电池系统的阳极侧连通，氧气出口与熔融碳酸盐燃料电池系统的阴极侧连通。Further, the gas system includes an energy storage system and a hydrogen production system, the photovoltaic power generation system is connected to the energy storage system, the energy storage system is used to store the electric energy generated by the photovoltaic power generation system, and the output end of the energy storage system is connected to the hydrogen production system, which is used for the production of electricity. The hydrogen system provides electricity; the hydrogen production system is used for electrolysis to produce hydrogen and oxygen, and the hydrogen production system is provided with a hydrogen outlet and an oxygen outlet, the hydrogen outlet is connected to the anode side of the molten carbonate fuel cell system, and the oxygen outlet is connected to the molten carbonic acid. The cathode side of the salt fuel cell system communicates.
进一步的，制氢系统的氧气出口还连接有催化燃烧系统，用于将氧气通入催化燃烧系统与熔融碳酸盐燃料电池系统的阳极侧尾气中未参与反应的氢气进行催化燃烧反应。Further, the oxygen outlet of the hydrogen production system is also connected with a catalytic combustion system, which is used for introducing oxygen into the catalytic combustion system to conduct catalytic combustion reaction with hydrogen not participating in the reaction in the tail gas on the anode side of the molten carbonate fuel cell system.
进一步的，气体分离系统设置有循环气体出口，循环气体出口与熔融碳酸盐燃料电池系统的阴极侧连接，用于将分离出的可循环气体通入熔融碳酸盐燃料电池系统的阴极侧进行循环反应。Further, the gas separation system is provided with a circulating gas outlet, and the circulating gas outlet is connected to the cathode side of the molten carbonate fuel cell system, and is used for passing the separated recyclable gas into the cathode side of the molten carbonate fuel cell system. cyclic reaction.
进一步的，所述可循环气体为所述气体分离系统分离出的二氧化碳和未参与反应的氧气。Further, the recyclable gas is carbon dioxide separated by the gas separation system and oxygen that does not participate in the reaction.
进一步的，熔融碳酸盐燃料电池系统的阳极侧通入氮气或二氧化碳，用于防止燃料电池发电过程中温度过高。Further, nitrogen or carbon dioxide is introduced into the anode side of the molten carbonate fuel cell system to prevent the temperature from being too high during the power generation process of the fuel cell.
进一步的，熔融碳酸盐燃料电池系统工作温度为650℃，储能系统对熔融碳酸盐燃料电池系统进行电加热。Further, the working temperature of the molten carbonate fuel cell system is 650° C., and the energy storage system electrically heats the molten carbonate fuel cell system.
进一步的，熔融碳酸盐燃料电池为高温燃料电池或质子交换膜燃料电池。Further, the molten carbonate fuel cell is a high temperature fuel cell or a proton exchange membrane fuel cell.
本实用新型所述的光伏耦合熔融碳酸盐燃料电池冷热电系统的供能方法为，光伏发电系统与气体系统连接，气体系统与熔融碳酸盐燃料电池发电系统连接，气体系统包括储能系统和制氢系统，光伏发电系统连接储能系统，储能系统的输出端连接制氢系统；制氢系统电解制得氢气和氧气，且制氢系统设置有氢气出口和氧气出口，氢气出口与熔融碳酸盐燃料电池系统的阳极侧连通，熔融碳酸盐燃料电池系统的阳极侧通入氮气或二氧化碳；氧气出口与熔融碳酸盐燃料电池系统的阴极侧和催化燃烧系统连通，熔融碳酸盐燃料电池系统阴极侧通入二氧化碳气体，熔融碳酸盐燃料电池系统进行反应发电为用户提供电能；熔融碳酸盐燃料电池系统发电过程中产生的阳极侧尾气通入催化燃烧系统进行催化燃烧，催化燃烧后的混合气体通入气体分离系统，催化燃烧系统的供能出口与制冷制热系统连接，将催化燃烧产生的气体余热导入制冷制热系统，为用户供冷供热；熔融碳酸盐燃料电池系统发电过程中产生的阴极侧尾气通入气体分离系统，气体分离系统对通入的气体进行分离，分离出的二氧化碳和未参与反应的氧气通过气体分离系统设置的循环气体出口通入熔融碳酸盐燃料电池系统阴极侧进行循环反应；气体分离系统的尾气出口与制冷制热系统连接，将部分多余的气体以及可能存在的氢气气体通入制冷制热系统，通过换热制冷装置为用户供冷供热。The energy supply method of the photovoltaic coupled molten carbonate fuel cell cold and thermal power system of the present invention is as follows: the photovoltaic power generation system is connected with a gas system, the gas system is connected with the molten carbonate fuel cell power generation system, and the gas system includes an energy storage system. The system and the hydrogen production system, the photovoltaic power generation system is connected to the energy storage system, and the output end of the energy storage system is connected to the hydrogen production system; the hydrogen production system electrolyzes to produce hydrogen and oxygen, and the hydrogen production system is provided with a hydrogen outlet and an oxygen outlet. The anode side of the molten carbonate fuel cell system is communicated, and nitrogen or carbon dioxide is introduced into the anode side of the molten carbonate fuel cell system; the oxygen outlet is communicated with the cathode side of the molten carbonate fuel cell system and the catalytic combustion system, and the molten carbonic acid Carbon dioxide gas is introduced into the cathode side of the salt fuel cell system, and the molten carbonate fuel cell system reacts to generate electricity to provide electricity for users; The mixed gas after catalytic combustion is passed into the gas separation system, and the energy supply outlet of the catalytic combustion system is connected to the cooling and heating system, and the gas waste heat generated by the catalytic combustion is introduced into the cooling and heating system to provide cooling and heating for users; molten carbonate The cathode side tail gas generated during the power generation process of the fuel cell system is passed into the gas separation system, and the gas separation system separates the incoming gas, and the separated carbon dioxide and unreacted oxygen are passed through the circulating gas outlet set in the gas separation system to melt. The cathode side of the carbonate fuel cell system performs a cyclic reaction; the exhaust gas outlet of the gas separation system is connected to the cooling and heating system, and part of the excess gas and possible hydrogen gas is passed into the cooling and heating system, and the heat exchange cooling device is used for users. Heating and cooling.
与现有技术相比，本实用新型至少具有以下有益效果：Compared with the prior art, the present utility model at least has the following beneficial effects:
本实用新型通过光伏发电、制氢与燃料电池的结合，将光伏发电转换为氢能并利用，解决了光伏发电就地消纳的问题，提高了弃光的利用率，可以同时为用户提供冷热电三种形式能源。Through the combination of photovoltaic power generation, hydrogen production and fuel cell, the utility model converts photovoltaic power generation into hydrogen energy and utilizes it, solves the problem of on-site consumption of photovoltaic power generation, improves the utilization rate of abandoned light, and can simultaneously provide cooling for users. Thermoelectric three forms of energy.
本实用新型利用熔融碳酸盐燃料电池与光伏可再生能源的集合进行高效发电，提高熔融碳酸盐燃料电池系统的利用方式和应用领域。The utility model utilizes the collection of molten carbonate fuel cells and photovoltaic renewable energy to generate high-efficiency power, and improves the utilization mode and application field of the molten carbonate fuel cell system.
本实用新型对熔融碳酸盐燃料电池系统发电后产生的高温尾气进行处理后，通入制冷制热系统，通过换热制冷装置为用户供冷供热，实现了高温尾气二次利用，减少了高温尾气向空气中的排放量，还对能源进行了充分的利用。The utility model treats the high-temperature exhaust gas generated by the molten carbonate fuel cell system after generating electricity, and then passes it into the refrigeration and heating system, and provides cooling and heating for the user through the heat exchange refrigeration device, thereby realizing the secondary utilization of the high-temperature exhaust gas and reducing the consumption of the exhaust gas. The emission of high-temperature exhaust gas into the air also makes full use of energy.
本实用新型将熔融碳酸盐燃料电池系统尾气通入气体分离系统，分离出的二氧化碳气体通入熔融碳酸盐燃料电池系统阴极侧循环反应，剩余尾气通入制冷制热系统为用户提供冷热能源，实现了二氧化碳的循环利用，减少了二氧化碳排放，得到一种绿色环保的供能方式。In the utility model, the tail gas of the molten carbonate fuel cell system is passed into the gas separation system, the separated carbon dioxide gas is passed into the cathode side of the molten carbonate fuel cell system for circulation reaction, and the remaining tail gas is passed into the refrigeration and heating system to provide users with cold and heat It realizes the recycling of carbon dioxide, reduces carbon dioxide emissions, and obtains a green and environmentally friendly energy supply method.
附图说明Description of drawings
图1是光伏耦合熔融碳酸盐燃料电池冷热电系统。Figure 1 is a photovoltaic coupled molten carbonate fuel cell cold thermoelectric system.
具体实施方式Detailed ways
本实用新型提供的光伏耦合熔融碳酸盐燃料电池冷热电系统，包括光伏发电系统、熔融碳酸盐燃料电池系统和制冷制热系统，光伏发电系统与熔融碳酸盐燃料电池系统通过气体系统连接，气体系统用于为熔融碳酸盐燃料电池系统提供反应所需气体，熔融碳酸盐燃料电池系统用于为用户供电；熔融碳酸盐燃料电池系统阳极侧尾气输出端连接催化燃烧系统，催化燃烧系统尾气出口连接气体分离系统，催化燃烧系统的供能出口与制冷制热系统连接，用于将催化燃烧产生的气体余热导入制冷制热系统为用户供冷供热；熔融碳酸盐燃料电池系统阴极侧尾气输出端连接气体分离系统，气体分离系统尾气出口连接制冷制热系统，制冷制热系统用于为用户供冷供热。The photovoltaic coupled molten carbonate fuel cell cooling and heating system provided by the utility model includes a photovoltaic power generation system, a molten carbonate fuel cell system and a cooling and heating system. The photovoltaic power generation system and the molten carbonate fuel cell system pass through a gas system. connection, the gas system is used to provide the gas required for the reaction for the molten carbonate fuel cell system, and the molten carbonate fuel cell system is used to supply power to the user; the tail gas output end of the anode side of the molten carbonate fuel cell system is connected to the catalytic combustion system, The tail gas outlet of the catalytic combustion system is connected to the gas separation system, and the energy supply outlet of the catalytic combustion system is connected to the cooling and heating system, which is used to introduce the gas waste heat generated by the catalytic combustion into the cooling and heating system to supply cooling and heating for users; molten carbonate fuel The tail gas output end of the cathode side of the battery system is connected to the gas separation system, and the tail gas outlet of the gas separation system is connected to the cooling and heating system, which is used to provide cooling and heating for users.
进一步的，气体系统包括储能系统和制氢系统，光伏发电系统连接储能系统，储能系统用于存储光伏发电系统产生的电能，储能系统的输出端连接制氢系统，用于为制氢系统提供电能；制氢系统用于电解制得氢气和氧气，且制氢系统设置有氢气出口和氧气出口，氢气出口与熔融碳酸盐燃料电池系统的阳极侧连通，氧气出口与熔融碳酸盐燃料电池系统的阴极侧连通；制氢系统的氧气出口还连接有催化燃烧系统，用于将氧气通入催化燃烧系统与熔融碳酸盐燃料电池系统的阳极侧尾气中未参与反应的氢气进行催化燃烧反应。Further, the gas system includes an energy storage system and a hydrogen production system, the photovoltaic power generation system is connected to the energy storage system, the energy storage system is used to store the electric energy generated by the photovoltaic power generation system, and the output end of the energy storage system is connected to the hydrogen production system, which is used for the production of electricity. The hydrogen system provides electricity; the hydrogen production system is used for electrolysis to produce hydrogen and oxygen, and the hydrogen production system is provided with a hydrogen outlet and an oxygen outlet, the hydrogen outlet is connected to the anode side of the molten carbonate fuel cell system, and the oxygen outlet is connected to the molten carbonic acid. The cathode side of the salt fuel cell system is connected; the oxygen outlet of the hydrogen production system is also connected with a catalytic combustion system, which is used for introducing oxygen into the catalytic combustion system and the unreacted hydrogen in the tail gas of the anode side of the molten carbonate fuel cell system. Catalytic combustion reaction.
进一步的，气体分离系统还设置有循环气体出口，循环气体出口与熔融碳酸盐燃料电池系统的阴极侧连接，用于将分离出的可循环气体通入熔融碳酸盐燃料电池系统的阴极侧进行循环反应；所述可循环气体为所述气体分离系统分离出的二氧化碳和未参与反应的氧气。Further, the gas separation system is also provided with a circulating gas outlet, and the circulating gas outlet is connected to the cathode side of the molten carbonate fuel cell system for passing the separated recyclable gas into the cathode side of the molten carbonate fuel cell system. Carry out a cyclic reaction; the recyclable gas is the carbon dioxide separated by the gas separation system and the oxygen that does not participate in the reaction.
进一步的，熔融碳酸盐燃料电池系统的阳极侧通入氮气或二氧化碳，用于防止燃料电池发电过程中温度过高；熔融碳酸盐燃料电池系统工作温度为650℃，储能系统对熔融碳酸盐燃料电池系统进行电加热；熔融碳酸盐燃料电池为高温燃料电池或质子交换膜燃料电池。Further, nitrogen or carbon dioxide is introduced into the anode side of the molten carbonate fuel cell system to prevent the temperature from being too high during the power generation process of the fuel cell; The carbonate fuel cell system is electrically heated; the molten carbonate fuel cell is a high temperature fuel cell or a proton exchange membrane fuel cell.
本实用新型所述的光伏耦合熔融碳酸盐燃料电池冷热电系统的供能方法，光伏发电系统与气体系统连接，气体系统与熔融碳酸盐燃料电池发电系统连接，气体系统包括储能系统和制氢系统，光伏发电系统连接储能系统，储能系统的输出端连接制氢系统；制氢系统电解制得氢气和氧气，且制氢系统设置有氢气出口和氧气出口，氢气出口与熔融碳酸盐燃料电池系统的阳极侧连通，熔融碳酸盐燃料电池系统的阳极侧通入氮气或二氧化碳；氧气出口与熔融碳酸盐燃料电池系统的阴极侧和催化燃烧系统连通，熔融碳酸盐燃料电池系统阴极侧通入二氧化碳气体，熔融碳酸盐燃料电池系统进行反应发电为用户提供电能；熔融碳酸盐燃料电池系统发电过程中产生的阳极侧尾气通入催化燃烧系统进行催化燃烧，催化燃烧后的混合气体通入气体分离系统，催化燃烧系统的供能出口与制冷制热系统连接，将催化燃烧产生的气体余热导入制冷制热系统，为用户供冷供热；熔融碳酸盐燃料电池系统发电过程中产生的阴极侧尾气通入气体分离系统，气体分离系统对通入的气体进行分离，分离出的二氧化碳和未参与反应的氧气通过气体分离系统设置的循环气体出口通入熔融碳酸盐燃料电池系统阴极侧进行循环反应；气体分离系统的尾气出口与制冷制热系统连接，将部分多余的气体以及可能存在的氢气气体通入制冷制热系统，通过换热制冷装置为用户供冷供热。The energy supply method of the photovoltaic coupled molten carbonate fuel cell cold and thermal power system of the utility model, the photovoltaic power generation system is connected with the gas system, the gas system is connected with the molten carbonate fuel cell power generation system, and the gas system includes an energy storage system The hydrogen production system and the photovoltaic power generation system are connected to the energy storage system, and the output end of the energy storage system is connected to the hydrogen production system; the hydrogen production system is electrolyzed to produce hydrogen and oxygen, and the hydrogen production system is provided with a hydrogen outlet and an oxygen outlet, and the hydrogen outlet is connected to the melting point. The anode side of the carbonate fuel cell system is communicated, and nitrogen or carbon dioxide is introduced into the anode side of the molten carbonate fuel cell system; the oxygen outlet is communicated with the cathode side of the molten carbonate fuel cell system and the catalytic combustion system, and the molten carbonate Carbon dioxide gas is introduced into the cathode side of the fuel cell system, and the molten carbonate fuel cell system conducts reaction and generates electricity to provide electricity for users; the anode side exhaust gas generated during the power generation process of the molten carbonate fuel cell system is introduced into the catalytic combustion system for catalytic combustion, catalyzing the combustion. The mixed gas after combustion is passed into the gas separation system, and the energy supply outlet of the catalytic combustion system is connected to the cooling and heating system, and the gas waste heat generated by the catalytic combustion is introduced into the cooling and heating system to provide cooling and heating for users; molten carbonate fuel The cathode side tail gas generated during the power generation process of the battery system is passed into the gas separation system, and the gas separation system separates the incoming gas, and the separated carbon dioxide and unreacted oxygen are passed into the molten carbon through the circulating gas outlet set in the gas separation system. The cyclic reaction is carried out on the cathode side of the salt fuel cell system; the exhaust gas outlet of the gas separation system is connected to the refrigeration and heating system, and part of the excess gas and possible hydrogen gas is passed into the refrigeration and heating system, and the heat exchange refrigeration device is used for users. Heating and cooling.
下面结合附图对本实用新型做详细叙述，光伏太阳能发电系统与气体系统连接，气体系统与熔融碳酸盐燃料电池发电系统连接，气体系统包括储能系统和制氢系统，光伏发电系统连接储能系统，储能系统的输出端连接制氢系统；制氢系统电解制得氢气和氧气，制氢系统设置有氢气出口和氧气出口，氢气出口与熔融碳酸盐燃料电池系统的阳极侧连通，将氢气通入电池系统阳极侧，为防止燃料电池发电过程中温度过高，在电池系统阳极侧接入氮气或二氧化碳；氧气出口与熔融碳酸盐燃料电池系统的阴极侧和催化燃烧系统连通，将氧气通入电池系统的阴极侧和催化燃烧系统，电池系统阴极侧还通入外源二氧化碳气体，熔融碳酸盐燃料电池系统进行反应发电为用户提供电能；熔融碳酸盐燃料电池系统发电过程中产生的阳极侧尾气通入催化燃烧系统，阳极尾气中为参与反应的氢气与通入的氧气进行催化燃烧反应，催化燃烧后得到的混合气体通过催化燃烧系统尾气出口进入气体分离系统，催化燃烧系统的供能出口与制冷制热系统连接，将催化燃烧产生的气体余热导入制冷制热系统，为用户供冷供热；熔融碳酸盐燃料电池系统发电过程中产生的阴极侧尾气通入气体分离系统，气体分离系统对通入的气体进行分离，分离出的二氧化碳和未参与反应的氧气通过气体分离系统设置的循环气体出口通入熔融碳酸盐燃料电池系统阴极侧进行循环反应；气体分离系统的尾气出口与制冷制热系统连接，将部分多余的气体以及可能存在的氢气气体通入制冷制热系统，通过换热制冷装置为用户供冷供热。The utility model is described in detail below in conjunction with the accompanying drawings, the photovoltaic solar power generation system is connected with the gas system, the gas system is connected with the molten carbonate fuel cell power generation system, the gas system includes an energy storage system and a hydrogen production system, and the photovoltaic power generation system is connected with the energy storage system system, the output end of the energy storage system is connected to the hydrogen production system; the hydrogen production system electrolyzes to produce hydrogen and oxygen, the hydrogen production system is provided with a hydrogen outlet and an oxygen outlet, and the hydrogen outlet is connected to the anode side of the molten carbonate fuel cell system. Hydrogen is passed into the anode side of the battery system. In order to prevent the temperature from being too high during the power generation process of the fuel cell, nitrogen or carbon dioxide is connected to the anode side of the battery system; the oxygen outlet is connected to the cathode side of the molten carbonate fuel cell system and the catalytic combustion system. Oxygen is passed into the cathode side of the battery system and the catalytic combustion system, and exogenous carbon dioxide gas is also passed into the cathode side of the battery system. The molten carbonate fuel cell system conducts reaction and generates electricity to provide electricity for users; during the power generation process of the molten carbonate fuel cell system The generated anode side tail gas is passed into the catalytic combustion system, and the hydrogen participating in the reaction in the anode tail gas and the introduced oxygen undergo catalytic combustion reaction, and the mixed gas obtained after catalytic combustion enters the gas separation system through the exhaust gas outlet of the catalytic combustion system, and the catalytic combustion system The energy supply outlet is connected to the cooling and heating system, and the gas waste heat generated by catalytic combustion is introduced into the cooling and heating system to provide cooling and heating for users; the cathode side tail gas generated during the power generation process of the molten carbonate fuel cell system is passed into the gas separation The gas separation system separates the incoming gas, and the separated carbon dioxide and unreacted oxygen are passed through the circulating gas outlet set in the gas separation system to the cathode side of the molten carbonate fuel cell system for circulating reaction; the gas separation system The exhaust gas outlet of the device is connected to the cooling and heating system, and part of the excess gas and possible hydrogen gas is passed into the cooling and heating system, and the user is provided with cooling and heating through the heat exchange refrigeration device.
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