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Hot area structure of MW-level solid oxide fuel cell power generation system and operation method of hot area structure

A solid oxide and fuel cell technology, applied in the direction of fuel cell heat exchange, fuel cells, fuel cell additives, etc., can solve the problems of small fuel processing capacity in hot areas, insufficiently compact functional components, and low thermal efficiency, and achieve improved fuel efficiency. Utilization rate, small space in the hot zone, and the effect of improving thermal efficiency

Active Publication Date: 2022-01-07
广东佛燃科技有限公司
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Problems solved by technology

[0006] In order to solve the technical problems of the conventional solid oxide fuel cell power generation system, such as small fuel processing capacity, insufficient compactness of functional components, large space and low thermal efficiency, the present invention provides the following technical solutions:

Method used

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  • Hot area structure of MW-level solid oxide fuel cell power generation system and operation method of hot area structure
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  • Hot area structure of MW-level solid oxide fuel cell power generation system and operation method of hot area structure

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specific Embodiment approach

[0038] Such as Figure 1-12 As shown, the hot zone structure of a MW-level solid oxide fuel cell power generation system includes a closed heat-insulating shell 1, a two-stage air preheater, a burner 7, a reformer 6, a pre-reformer 5, The steam generator 4 and the desulfurizer 3, the two-stage air preheater includes the high temperature section 8 of the air preheater and the low temperature section 2 of the air preheater communicated through the air channel 22; the interior of the heat insulation shell 1 is from left to right The high-temperature section 8 of the air preheater, the burner 7, the reformer 6, the pre-reformer 5, the steam generator 4, the desulfurizer 3, the low-temperature section 2 of the air preheater and the corresponding pipelines are arranged in sequence; the heat insulation shell 1 There are air inlet 9, fuel inlet 12, desulfurization fuel outlet 23, deionized water inlet 13, water vapor outlet 24, mixed gas inlet 25, anode tail gas circulation gas inlet ...

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Abstract

The invention relates to a hot area structure of an MW-level solid oxide fuel cell power generation system. The hot area structure comprises a heat insulation shell, a two-section air preheater, a desulfurizer, a steam generator, a pre-converter, a reformer, a combustor and corresponding gas pipelines. The hot area structure is large in fuel handling capacity, small in hot area space and compact in internal device arrangement, meanwhile, achieves fuel treatment, air preheating, tail gas treatment and waste heat utilization and meets the requirements of the MW-level solid oxide fuel cell power generation system adopting natural gas, methane, marsh gas and the like as fuel; an anode tail gas recycling process is adopted, so that the fuel utilization rate is improved, the water-carbon ratio is reduced, and the electric efficiency and the thermal efficiency of the SOFC power generation system are favorably improved; and the two-section air preheater is adopted, the air preheater high-temperature section and the air preheater low-temperature section of smoke are fully utilized, the smoke exhaust temperature is effectively reduced, and it is guaranteed that air at the cathode inlet of an SOFC cell stack reaches the proper temperature.

Description

technical field [0001] The invention relates to the technical field of solid oxide fuel cells, in particular to a hot zone structure and an operation method of a MW-level solid oxide fuel cell power generation system. Background technique [0002] Solid oxide fuel cell (Solid Oxide Fuel Cell, referred to as SOFC) is a fuel (such as natural gas, H 2 , synthesis gas, biogas, methanol, etc.) chemical energy directly into electrical energy efficient power generation device. Compared with the traditional power generation technology, the SOFC power generation system has a wide range of fuel sources, high power generation efficiency, no NOx emissions, and can realize CO 2 Concentrated emission and other advantages. As a new type of high-efficiency and environmentally friendly power generation equipment, SOFC system has broad application prospects in the distributed power supply fields of residential, hotel, hospital, school, office buildings, communities, data centers, communicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04014H01M8/04089H01M8/0612
CPCH01M8/04097H01M8/04014H01M8/0618Y02E60/50
Inventor 白帆飞林梓荣陈锦芳刘洋陈雄兵
Owner 广东佛燃科技有限公司
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