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Household garbage pyrolysis and gasification processing system

A technology of pyrolysis gasification and treatment system, which is applied in the field of high-efficiency domestic waste pyrolysis and gasification treatment system, can solve the problems of high cost of external heating sources, pollution caused by domestic waste pyrolysis and gasification, etc., so as to improve heat utilization efficiency and reduce capacity. Significant weight reduction and the effect of reducing dependence

Inactive Publication Date: 2017-01-18
TIANJIN UNIV
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Problems solved by technology

[0005] In order to solve the problems in the prior art, the present invention provides a domestic waste pyrolysis gasification treatment system, which solves the problems in the prior art that the domestic waste pyrolysis gasification is seriously polluted and requires high cost of external heating sources

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  • Household garbage pyrolysis and gasification processing system

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with the drawings.

[0022] This technical solution is applied to the harmless treatment of urban domestic garbage. The start-up heat source and auxiliary heat source of the pyrolysis gasifier adopt the method of oil heating. After the pyrolysis gasifier operates stably, the main heat source is the pyrolysis gas produced by combustion Gas. The domestic waste is screened and dried and then enters the pyrolysis gasification furnace. The pyrolysis gasification gas with higher calorific value is introduced to the bottom of the furnace through a special pyrolysis gasification gas pipeline, and the pyrolysis gasification gas is burned into the furnace body Provides the heat required for the reaction, the generated high-temperature flue gas is used to heat the furnace body through the flue gas channel before being discharged, and the temperature in the furnace and the pyrolysis gas pipeline is controlled by th...

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Abstract

The invention discloses a household garbage pyrolysis and gasification processing system. A pyrolysis and gasification furnace is included. A smoke exhaust pipeline is arranged on the middle upper portion of the pyrolysis and gasification furnace and communicates with exhaust gas processing equipment. The exhaust gas processing equipment is connected with an induced draft fan. The upper portion of the pyrolysis and gasification furnace communicates with a furnace bottom through a pyrolysis gas pipeline. An electric air valve is arranged on the pyrolysis gas pipeline, the pyrolysis gas pipeline is connected with a condenser, and the condenser is connected with a gas storage tank. The pyrolysis and gasification furnace adopts fuel as an auxiliary drive heat source, and generated pyrolysis gasified gas serves as a main heat source. By utilizing the pyrolysis and gasification system for processing household garbage, the garbage volume and quantity are remarkably reduced, the performance of ash and slag is stable, the dioxin content of generated exhaust gas is extremely low, then the exhaust gas is further processed so that harmlessness of the exhaust gas can be achieved, and environmental pollution caused by garbage incineration is effectively avoided. The two heat sources are combined, so that the problem that a heat source is additionally arranged for external heating type pyrolysis and gasification of garbage is solved, and dependency on conventional energy such as coal and electricity is reduced; and besides, combustible gas can be supplied externally, and the economic benefit of the system is increased.

Description

Technical field [0001] The invention belongs to the technical field of high-temperature pyrolysis and gasification treatment of solid combustible waste, and specifically relates to a high-efficiency domestic garbage pyrolysis and gasification treatment system using fuel oil as an auxiliary driving heat source and generated pyrolysis gasification gas as the main heat source. Background technique [0002] Municipal solid waste mainly refers to solid waste generated in urban daily life or activities that provide services for urban daily life. The collection, transportation and treatment of municipal solid waste will produce a large amount of harmful components, which will pollute the atmosphere, soil, and water sources. This is one of the major environmental problems faced by my country and other countries in the world. At present, the treatment technologies of municipal solid waste mainly include landfill, composting, and heat treatment. The main heat treatment technologies are di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G5/027F23G5/12F23G5/10F23G5/44F23G5/50C10J3/20C10J3/30C10J3/72C10J3/82C10J3/84
CPCF23G5/006C10J3/20C10J3/30C10J3/72C10J3/82C10J3/84C10J2300/0946C10J2300/1207F23G5/0276F23G5/10F23G5/12F23G5/44F23G5/444F23G5/50F23G2201/301F23G2201/40F23G2202/102F23G2202/701F23G2204/103
Inventor 邓娜张啊文张强宋成才崔文谦何官送
Owner TIANJIN UNIV
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