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Garbage disposal system and method based on fuel cell combined power generation

A technology of waste disposal system and fuel cell, which is applied to fuel cells, electrochemical generators, circuits, etc., to reduce the generation of dioxins and achieve the effect of high efficiency

Pending Publication Date: 2020-09-08
XIAN THERMAL POWER RES INST CO LTD
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Problems solved by technology

[0004] In the published literature, CN21685639U, CN110423679A and CN110029044A introduced the gas generated after the fermentation of kitchen waste for fuel cell power generation technology, and CN106602118A introduced the technology of using waste pyrolysis gas for fuel cell power generation. At present, there is no gasification of garbage Afterwards, a report on the use of fuel cells to generate electricity from waste gasification gas

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  • Garbage disposal system and method based on fuel cell combined power generation

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Embodiment Construction

[0028] The present invention is described in further detail below in conjunction with embodiment.

[0029] Such as figure 1 As shown, after the feed water passes through the waste heat boiler 11, steam of 3MPa and 234°C is generated and enters the garbage gasification furnace 1, and the air is pressurized to 3MPa by the air compressor 4, preheated to 450°C by the air preheater 5, and enters the garbage gasification Furnace 1, garbage enters the garbage gasification furnace 1 and undergoes gasification reaction with steam and air, the generated garbage gasification gas enters the purification system 2, and ash is discharged from the lower part of the garbage gasification furnace 1.

[0030] After being purified by the purification system 2, the garbage gasification gas is preheated to 450°C by the cold side of the preheater 3 and enters the anode of the fuel cell 6. The air is pressurized to 3MPa by the air compressor 4 and preheated by the air preheater 5. When it is heated t...

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Abstract

The invention discloses a garbage disposal system and method based on fuel cell combined power generation. The system comprises a garbage gasification subsystem and a fuel cell combined power generation subsystem, wherein the garbage gasification subsystem comprises a garbage gasification furnace, a purification system and a waste heat boiler, the fuel cell combined power generation subsystem comprises a preheater, an air compressor, an air preheater, a fuel cell, an inverter, a combustion chamber, a residual heat boiler and a thermal power generation system, the garbage gasification subsystemis used for gasifying garbage to implement reduction of garbage, the fuel cell combined power generation subsystem partially converts Gibbs free energy in chemical energy of combustible gas in garbage gasified gas into electric energy, unreacted combustible gas is combusted and then generates power through the thermal power generation system, and tail gas is used for preheating the garbage gasified gas and air. The system can achieve efficient utilization of garbage.

Description

technical field [0001] The invention relates to the technical field of municipal solid waste treatment, in particular to a waste treatment system and method based on combined power generation of fuel cells. Background technique [0002] With the rapid development of my country's social economy, the acceleration of urbanization and the improvement of people's living standards, the garbage generated in the process of urban life has also increased rapidly, and the treatment of urban domestic garbage has attracted widespread attention from all walks of life. At present, the treatment methods of municipal solid waste mainly include composting, landfill and incineration. Among them, landfill will produce methane and landfill leachate, etc., and the harmful components in it will cause serious pollution to the atmosphere, soil, surface water and groundwater, destroy the ecological environment and even endanger human health. Waste incineration technology reduces the volume of waste ...

Claims

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Application Information

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IPC IPC(8): H01M8/0606H01M8/0662C10J3/00
CPCC10J3/00C10J2300/1603C10J2300/1671H01M8/0606H01M8/0662Y02E60/50Y02P20/129
Inventor 张纯杨玉白文刚张一帆李红智姚明宇
Owner XIAN THERMAL POWER RES INST CO LTD
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