Biomass fuel cell cogeneration system and power generation method thereof

A fuel cell and combined heat and power technology, applied in fuel cells, circuits, electrical components, etc., can solve problems such as fuel cell deactivation, achieve the effects of reducing tar content, reducing costs, and simplifying the process flow
CN109385307APending Publication Date: 2019-02-26GUANGDONG SUOTE ENERGY TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGDONG SUOTE ENERGY TECH CO LTD
Publication Date
2019-02-26

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Abstract

The invention discloses a fuel cell cogeneration system taking biomass as fuel and a power generation method of the fuel cell cogeneration system taking the biomass as the fuel. The system comprises abiomass supply unit, a biomass gasification unit and a fuel cell connected in sequence, and further comprises a rear combustion chamber and a biomass baking unit; the biomass supply unit is connectedwith the biomass baking unit, and a biomass outlet of the biomass baking unit is connected with a biomass inlet of the biomass gasification unit; a syngas outlet of the biomass gasification unit is connected with an anode of the fuel cell; a gas outlet of the fuel cell is connected with a gas inlet of the rear combustion chamber, and a flue gas outlet of the rear combustion chamber is connected with flue gas outlets of the biomass gasification unit and the biomass baking unit. According to the invention, high-temperature baking is carried out on the biomass by adopting flue gas, so that volatiles can be removed, then the content of tar in syngas can be reduced, the volatiles obtained by the baking are combusted, and heat released by the combustion is supplied to the biomass gasification unit, and furthermore, the high-temperature flue gas further supplies heat to a biomass gasification process.
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Description

technical field

[0001] The invention relates to the field of comprehensive utilization of biomass, in particular to the field of high-efficiency power generation and heat supply using biomass as a fuel cell raw material, and in particular to a biomass fuel cell combined heat and power supply system and a power generation method thereof. Background technique

[0002] Biomass energy is a clean, renewable, carbon-neutral energy with large resource reserves and wide distribution, which is conducive to the development of a distributed energy supply system. The amount of pollutants and carbon dioxide emissions in the utilization process of biomass energy is less, and the efficient utilization of biomass resources provides a solution to the current energy and environmental problems facing our country. Biomass is rich in C, H, O and other elements, and its gasification can produce synthesis gas rich in carbon monoxide and hydrogen. The synthesis gas can not only be used in chemical ...

Claims

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