Solid oxide fuel cell high temperature gas heat exchanger

A solid oxide and fuel cell technology, applied in the direction of heat exchangers, indirect heat exchangers, heat exchanger sealing devices, etc., can solve the problems of low heat exchange efficiency, inconvenient welding of pipe joints, etc., and achieve sealing performance Good, improve the efficiency of heat energy utilization, improve the effect of thermal insulation performance

Active Publication Date: 2018-11-23
JINGJIANG SHENJU VESSEL MFG
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Problems solved by technology

[0003] However, the traditional solid oxide fuel cell high-temperature gas heat exchanger has low heat exchange efficiency during the heat exchange proce

Method used

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  • Solid oxide fuel cell high temperature gas heat exchanger
  • Solid oxide fuel cell high temperature gas heat exchanger
  • Solid oxide fuel cell high temperature gas heat exchanger

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Embodiment Construction

[0025] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0026] Such as figure 1 figure 2 with Figure 4 As shown, a solid oxide fuel cell high-temperature gas heat exchanger according to the present invention includes a fixed structure 1, four pipe connection structures 2, a first flue gas heat exchange structure 3, a vacuum chamber 4, and a second flue gas Heat exchange structure 5, gas preheating channel 6, air preheating channel 7 and sealing structure 8; the inside of the fixed structure 1 is provided with the first flue gas heat exchange structure 3 and the second flue gas heat exchange structure for heat exchange Gas heat exchange structure 5; the gas preheating channel 6 for preheating gas is provided between the first heat exchange structure 3 and the second flue gas heat exchange structure ...

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Abstract

The invention relates to the field of heat exchanger equipment, in particular to a solid oxide fuel cell high temperature gas heat exchanger. The solid oxide fuel cell high temperature gas heat exchanger comprises a fixing structure, a pipe connecting structure, a first flue gas heat exchange structure, a vacuum chamber, a second flue gas heat exchange structure, a fuel gas preheating channel, anair preheating channel and a sealing structure; the first flue gas heat exchange structure and the second flue gas heat exchange structure which are used for heat exchange are arranged in the fixing structure, the fuel gas preheating channel used for preheating the fuel gas is arranged between the first heat exchange structure and the second flue gas heat exchange structure, and the air preheatingchannel for preheating the air is arranged in the second flue gas heat exchange structure; and the vacuum chamber and the sealing structure which are used for heat insulation and isolation are arranged between the first flue gas heat exchange structure and the flue gas heat exchange structure. According to the solid oxide fuel cell high temperature gas heat exchanger, the heat exchange efficiencyof the fuel gas preheating channel and the air in the air preheating channel are improved by using the first flue gas heat exchange structure and the second flue gas heat exchange structure, the efficiency of the flue gas heat exchange is greatly improved, and the heat energy utilization efficiency of the flue gas is improved.

Description

technical field [0001] The invention relates to the field of heat exchanger equipment, in particular to a high-temperature gas heat exchanger for a solid oxide fuel cell. Background technique [0002] Solid oxide fuel cell (Solid Oxide Fuel Cell, referred to as SOFC) belongs to the third-generation fuel cell, which is an all-solid-state chemical power generation device that directly converts the chemical energy stored in fuel and oxidant into electrical energy in an efficient and environmentally friendly manner at medium and high temperatures. , is generally considered to be a fuel cell that will be widely used in the future like the proton exchange membrane fuel cell (PEMFC). [0003] However, the traditional solid oxide fuel cell high-temperature gas heat exchanger has low heat exchange efficiency during the heat exchange process, and there are still deficiencies in the thermal insulation of flue gas utilization, and it is inconvenient to weld with the pipe connection. In...

Claims

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Application Information

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IPC IPC(8): F28D7/00F28F1/02F28F1/04F28F1/40F28F11/02
CPCF28D7/0066F28F1/02F28F1/04F28F1/40F28F11/02
Inventor 马可文陈龙
Owner JINGJIANG SHENJU VESSEL MFG
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