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Novel fuel cell cogeneration system and operation method

A fuel cell and combined heat and power technology, which is applied in the direction of fuel cell heat exchange, fuel cell, fuel cell control, etc., can solve the problem of low heat recovery efficiency

Active Publication Date: 2021-10-01
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect of low heat energy recovery efficiency of the fuel cell system in the prior art, so as to provide a novel fuel cell combined heat and power system and its operation method

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  • Novel fuel cell cogeneration system and operation method
  • Novel fuel cell cogeneration system and operation method
  • Novel fuel cell cogeneration system and operation method

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Embodiment Construction

[0023] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides a novel fuel cell cogeneration system and an operation method. The novel fuel cell cogeneration system comprises a fuel cell and a heat recovery water tank, a hydrogen pipeline and an air pipeline are arranged in the fuel cell, the input end of the hydrogen pipeline is connected with an external hydrogen tank, and the input end of the air pipeline communicates with external air; and the input end of the heat recovery water tank is connected with an external cold water pipe, a gas dispersion device is arranged in the heat recovery water tank and sinks below the cold water liquid level of the heat recovery water tank, and the input end of the gas dispersion device is connected with the output end of an air pipeline of the fuel cell, and is used for obtaining air side residual gas after a chemical reaction of an internal electrode of the fuel cell and carrying out contact type heat exchange on the residual gas and cold water in the heat recovery water tank so as to recover exhaust waste heat of an electric pile in the fuel cell. By implementing the invention, the defect of low efficiency of a heat recovery system is overcome.

Description

technical field [0001] The invention relates to the field of energy and power, in particular to a novel fuel cell combined heat and power system and an operating method. Background technique [0002] In recent years, hydrogen energy has occupied an increasingly important position in the energy and chemical industry. The application of hydrogen energy has expanded from traditional chemical raw material gas and protective gas to many fields such as transportation power, energy power, and grid energy storage. Especially in terms of comprehensive energy supply, the use of fuel cells to build distributed energy supply stations to provide heat and electricity supply can greatly improve energy consumption and greenhouse gas emissions, which is of great significance for optimizing energy distribution, promoting energy conservation and emission reduction, and protecting the ecological environment. [0003] The proton exchange membrane fuel cell (PEMFC) system is a system design based...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04298H01M8/04313H01M8/04694H01M8/04007
CPCH01M8/04298H01M8/04694H01M8/04313H01M8/04007H01M8/04052Y02E60/50Y02P20/10
Inventor 白子为马美秀陈梦东康伟邓占锋陈国宏滕越赵骞
Owner GLOBAL ENERGY INTERCONNECTION RES INST CO LTD
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