Distributed combined heat and power generation system of solid-oxide fuel battery

A solid oxide and fuel cell technology, applied in solid electrolyte fuel cells, fuel cell heat exchange, fuel cells, etc., can solve the problems of low energy utilization and achieve high energy utilization, low pollution, and simple system structure Effect

Active Publication Date: 2009-08-05
NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a practical solid oxide fuel cell distributed heat and power cogeneration system for the shortcomings of the centralized power supply of the existing large power grid and the low energy utilization rate. Heat, high energy utilization rate, has very broad economic prospects

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  • Distributed combined heat and power generation system of solid-oxide fuel battery

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] As shown in the figure, a KW-level solid oxide fuel cell distributed heat and power cogeneration system includes a solid oxide fuel cell, fuel supply system, air supply system, waste heat recovery system, control system and electric energy output system. Under the control of the system, the fuel supply system and the air supply system at least need to be connected to the solid oxide fuel cell for power generation. The solid oxide fuel cell generates electric energy and is connected to the electric energy output system for external power supply. Recycling waste heat, these are similar to conventional ones.

[0019] The present invention is described in depth below, wherein the air supply system, the air input pipeline passes through the impurity filter 1, the manual valve 2, the gas flow meter 3 to connect to the air pump 5, and then con...

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Abstract

The invention relates to a distributed heat and power cogeneration system of a solid oxide fuel battery, which comprises a solid oxide fuel battery, a fuel supply system, an air supply system, a waste heat recovery system, a control system and a power output system. The distributed heat and power cogeneration system is characterized in that the fuel system is provided with a fuel pipeline; the fuel is mixed with the water steam transmitted by a steam generator through the pipeline and merged in a gas-water mixing chamber; the mixture is then transmitted to a catalytic reformer for reformation; and the mixed gas flowing out of the reformer is transmitted to the anode of a solid oxide fuel battery stack. The system can supply power and heat for an independent user; the utilization rate of the energy is high; and the system has broad economic prospects.

Description

technical field [0001] The invention relates to a distributed power generation system, in particular to a distributed cogeneration system of solid oxide fuel cell (SOFC for short) using natural gas as fuel. Background technique [0002] At present, the main methods of electric energy production, transmission and distribution are the central power station of large-capacity and high-parameter units, ultra-high voltage long-distance power transmission, and large power grid interconnection and centralized power supply. But it has some disadvantages in terms of flexibility to adapt to load changes and power supply security. In the energy crisis, power crisis and large-scale power outages that have occurred repeatedly in recent years, the shortcomings of "clumsy" and "fragile" in the existing huge power system have been exposed. [0003] Due to serious environmental problems (such as the greenhouse effect, SO 2 , NO x emissions), future energy security supply (lack of energy re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/06H01M8/04H01M8/10H01M8/00H01M8/04007H01M8/04014H01M8/04089H01M8/0612H01M8/1231
CPCY02E60/521Y02E60/50
Inventor 刘凯王蔚国黄媛程宏辉
Owner NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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