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Power generation system of urban garbage pyrolysis and gasification coupled coal-fired power plant

A pyrolysis gasification, coal-fired power station technology, applied in the direction of machines/engines, special forms of dry distillation, petroleum industry, etc., can solve problems such as flue gas purification, to achieve security, large economic and social benefits, reduce production volume effect

Active Publication Date: 2019-01-15
SHANGHAI POWER EQUIP RES INST
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Problems solved by technology

[0005] The purpose of the invention is to solve the problem of flue gas purification in the process of garbage incineration

Method used

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  • Power generation system of urban garbage pyrolysis and gasification coupled coal-fired power plant

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Embodiment Construction

[0019] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0020] combine figure 1 , the working process of a municipal waste pyrolysis gasification coupled coal-fired power station power generation system provided by the present invention is:

[0021] The high-temperature and high-pressure main steam from the boiler 1 drives the steam turbine 2 to rotate, and drives the generator 3 to generate electricity. The flue gas generated in the boiler 1 is discharged from the chimney 6 after...

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Abstract

The invention discloses a power generation system of an urban garbage pyrolysis and gasification coupled coal-fired power plant, wherein the system comprises a boiler; the boiler drives an electric generator to generate electricity by a steam turbine; the system is characterized by also including a garbage low-temperature pyrolysis system and a garbage drying system. The invention provides the power generation system of the urban garbage pyrolysis and gasification coupled coal-fired power plant. The low-temperature pyrolysis system is used for pyrolysis of the urban living garbage at low temperature, HCl in the urban living garbage can be volatilized and removed, the generation amount of dioxin is reduced from the source, the high temperature corrosion problem of HCl generated in the process of urban living garbage incineration to a coal-fired boiler heated surface is solved, and the safety of heated surfaces of large coal-fired units is ensured.

Description

technical field [0001] The invention relates to a system for coupling garbage treatment with a large coal-fired unit, and belongs to the technical field of garbage treatment systems. Background technique [0002] At present, there are three main technologies for municipal solid waste treatment: incineration, landfill and composting, among which waste incineration technology is currently the main treatment method for municipal solid waste. The existing waste incineration adopts direct incineration, which has problems such as low utilization efficiency and serious environmental pollution. With the continuous improvement of environmental protection requirements at home and abroad, how to strengthen the control of secondary pollution is particularly important. Therefore, garbage gasification as a clean garbage utilization technology is an important direction for the clean and efficient utilization of garbage. [0003] my country is a country where coal is the main energy source...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/00F01D15/10
CPCC10B53/00F01D15/10
Inventor 张涛朱一飞陶丽蒋晓锋刘明勇吕为智黄辉武
Owner SHANGHAI POWER EQUIP RES INST
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