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Plasma gasification and melting system for solid waste centralized processing

A plasma, gasification and melting technology, applied in the direction of solid waste removal, waste treatment, chemical instruments and methods, etc., can solve the problems of high investment and treatment costs of plasma technology, and achieve the suppression of volatilization and the formation of nitrogen oxides, The effect of reducing the amount of dust and reducing production

Active Publication Date: 2018-06-01
JIANGSU TIANYING ENVIRONMENTAL PROTECTION ENERGY COMPLETE EQUIP CO LTD
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  • Description
  • Claims
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Problems solved by technology

However, the investment and processing costs of plasma technology are relatively high

Method used

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  • Plasma gasification and melting system for solid waste centralized processing
  • Plasma gasification and melting system for solid waste centralized processing
  • Plasma gasification and melting system for solid waste centralized processing

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Embodiment Construction

[0033] As shown in Figures 1-4, the present invention includes a plasma gasification melting furnace 1, and the plasma gasification melting furnace 1 includes a gasification incinerator 11 and a plasma melting furnace 12, and one end of the gasification incinerator 11 is provided with a feed hopper 13 The lower part of the feed hopper 13 is cylindrical and is provided with a cooling water jacket 19, the outlet of the feed hopper 13 is provided with an electric gate 14, and the gasification incinerator 11 at the outlet end of the feed hopper 13 is equipped with a pusher The feeder 15, the bottom of the gasification incinerator 11 is an inclined downward slope, and the drying section fire grate 16 and the gasification section fire grate 17 are arranged in sequence, and the bottoms of the drying section fire grate 16 and the gasification section fire grate 17 are respectively provided with The primary air inlet 18, the other end of the gasification incinerator 11 is an opening, an...

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Abstract

The invention discloses a plasma gasification and melting system for solid waste centralized processing, and relates to the technical field of solid waste thermochemical treatment. The system comprises a plasma gasification and melting furnace, a synthesis gas outlet of the plasma gasification and melting furnace is connected with a secondary combustion chamber, a high-temperature smoke outlet ofthe secondary combustion chamber is sequentially connected with a waste heat recycling system and a smoke purifying system, and the synthesis gas outlet of the plasma gasification and melting furnaceis further connected with a reforming chamber, a high-temperature synthesis gas outlet of the reforming chamber is sequentially connected with a heat exchange system and a synthesis gas purifying system. The controlled oxygen combustion technology is adopted in the plasma gasification and melting furnace, the excessive air coefficient of primary air is about 0.3 to 0.5, the dust amount in rough synthesis gas can be effectively reduced, re-generation of toxic and harmful substances of dioxin and furan can be restrained, and the production of flying ash amount can be reduced.

Description

technical field [0001] The invention relates to the technical field of thermochemical treatment of solid waste, in particular to a plasma gasification melting system for centralized treatment of solid waste. Background technique [0002] With the rapid development of social economy and the improvement of people's living standards, the output of solid waste is increasing day by day. A large amount of solid waste is discharged into the environment, which not only occupies a large amount of land, but also contains mercury, chromium, lead, nickel, copper, aluminum, tin, vanadium, molybdenum, iron, manganese and other heavy metals as well as viruses, germs, and pathogens. It will cause serious damage to the surrounding environment and seriously threaten human health. [0003] High-temperature heat treatment technologies for solid waste include rotary kiln incineration technology, pyrolysis incineration technology and plasma treatment technology. [0004] Rotary kiln incineratio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00
CPCB09B3/40Y02W30/20
Inventor 李小明孙钟华李要建李军陈竹严圣军
Owner JIANGSU TIANYING ENVIRONMENTAL PROTECTION ENERGY COMPLETE EQUIP CO LTD
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