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Solid waste plasma gasification treatment device and method

A plasma and solid waste technology, applied in separation methods, chemical instruments and methods, gasification technology, etc., can solve the problems of a large amount of fly ash produced by incineration technology, limited applicability, high technical requirements, etc., and solve the problem of secondary pollution , the effect of strengthening the degree of harmlessness and broad development prospects

Active Publication Date: 2022-03-08
TIANJIN UNIV
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Problems solved by technology

However, it will produce a large amount of pollutants such as fly ash and dioxin, and the public is resistant to this technology; when incineration technology treats hazardous waste, it has high technical requirements, high cost, and limited applicability
[0007] Therefore, my country's solid waste currently has the following problems: With the rapid development of the economy and the improvement of people's living standards, the generation of solid waste, including my country's urban domestic garbage and village garbage, is huge and will continue to increase. There is a higher demand for processing capacity; there are many deficiencies in landfill and composting technologies, and incineration technology produces a large amount of fly ash, which is a kind of hazardous waste and brings difficulties in subsequent treatment

Method used

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  • Solid waste plasma gasification treatment device and method
  • Solid waste plasma gasification treatment device and method
  • Solid waste plasma gasification treatment device and method

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0036] Such as figure 1 As shown, the system mainly includes a plasma gasifier (1-1), a secondary combustion chamber (1-2), a condenser (1-3), a spray tower (1-4) and a bag filter (1 —5). The specific content is as follows:

[0037]The gasification furnace adopts the plasma gasification furnace, which utilizes the characteristics of fast heating speed and high temperature of plasma technology to quickly gasify solid waste, and has strong adaptability to raw materials, and can be used to treat hazardous waste such as medical waste. In the gasifier, a plasma torch (9) with a power of 10-1000KW is vertically inserted into the top of the furnace, which can be lifted; the pressure range of the working gas (such as air, etc.) at the entrance of the plasma torch is 0.4...

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Abstract

The invention relates to a solid waste plasma gasification treatment device and method. The treatment device includes a plasma gasification furnace, a secondary combustion chamber, a condenser, a spray tower and a bag filter; Second combustion chamber, condenser, spray tower and bag filter. The plasma gasification furnace is vertically inserted with a liftable plasma torch on the top to gasify solid waste and produce a large amount of synthesis gas; the synthesis gas is fully burned in the secondary combustion chamber to remove organic pollutants in the flue gas, such as dioxin Ying et al.; the flue gas after combustion first passes through the condenser to cool down rapidly to avoid the generation of dioxins, and then remove the acidic substances in the flue gas. Finally, through the bag filter, it can ensure that the treated flue gas reaches the treatment target. The system of the invention utilizes plasma to rapidly raise the temperature, and has the characteristics of strong raw material adaptability, full combustion, and thorough removal of pollutants; it is suitable for treating various solid wastes.

Description

technical field [0001] The invention relates to a solid waste plasma gasification treatment device and method, in particular to a harmless treatment method for treating various solid wastes, including hazardous waste, and belongs to the technical field of environmental protection. Background technique [0002] With the acceleration of my country's industrialization and urbanization process, my country's rapid economic growth and rapid improvement of people's living standards, whether it is municipal solid waste or industrial waste, the amount of production is increasing, and the environmental problems brought about are becoming more and more serious. The requirements for environmental governance capabilities are getting higher and higher. According to the data from the National Bureau of Statistics, in 2010, my country's municipal solid waste generated about 158 ​​million tons; by 2016, my country's municipal solid waste generated about 204 million tons. It can be seen that ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/00C10J3/76C10J3/84B01D53/80B01D53/40B01D46/02
CPCB01D46/023B01D53/40B01D53/80C10J3/00C10J3/76C10J3/84C10J2300/1238C10J2300/0956C10J2300/0946
Inventor 马文超郭振飞陈冠益楚楚陈冬梅钟磊颜蓓蓓程占军
Owner TIANJIN UNIV
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