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A method and device for removing pollutants by thermally decoupled chemical chain combustion of organic solid waste

A chemical chain combustion, organic solid waste technology, applied in the combustion method, combustion type, incinerator, etc., can solve the problems of reducing the cyclic reaction activity and life of the oxygen carrier, sintering and corrosion of the oxygen carrier, and improving the removal performance. , Improve the service life, the effect of small investment

Active Publication Date: 2022-08-05
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with traditional incineration, chemical looping combustion greatly reduces the difficulty of pollutant removal, but organic solid waste often contains ash with complex components, which is easy to cause sintering and corrosion of oxygen carriers, and reduces the reactivity and reactivity of oxygen carriers. life

Method used

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  • A method and device for removing pollutants by thermally decoupled chemical chain combustion of organic solid waste
  • A method and device for removing pollutants by thermally decoupled chemical chain combustion of organic solid waste
  • A method and device for removing pollutants by thermally decoupled chemical chain combustion of organic solid waste

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Effect test

Embodiment 1

[0046] A method for organic solid waste thermal decoupling chemical chain combustion to remove pollutants is realized by the above-mentioned device for organic solid waste thermal decoupling chemical chain combustion to remove pollutants, comprising the following steps:

[0047] S1: Place the 5% Ca-loaded iron ore oxygen carrier in the air reactor 1, U-shaped reverter 2, oxygen carrier reverter 1-8 and fuel reactor 3, respectively, and start the air booster supplying air. Compressor 1-1, uses air as fluidizing gas, opens air switching valve 5, and controls air control valve 1-2, return gas control valve 2-1, first jet gas control valve 3-11, fluidizing The gas control valve 3-8 and the second jet gas control valve 3-12 control the gas flow rate of the air reactor 1, the fuel reactor 3, the U-shaped return material 2 and the oxygen carrier return material 1-8 to realize the oxygen carrier Circulation fluidization of the body;

[0048]S2: Open the second natural gas control val...

Embodiment 2

[0052] The difference from Example 1 is that the oxygen carrier is changed to a 5% K-supported iron ore oxygen carrier.

Embodiment 3

[0054] The difference from Example 1 is that the oxygen carrier is changed to a 5% Na-supported iron ore oxygen carrier.

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Abstract

The invention discloses a method and a device for removing pollutants by thermally decoupling and coupling chemical chain combustion of organic solid waste. The device includes an air reactor, a fuel reactor and a pyrolysis gasifier, the pyrolysis gasifier is sleeved outside the fuel reactor, the air reactor and the fuel reactor are connected through a U-shaped return material, and the air reactor The top end is communicated with one end of the top conveying pipe, the other end of the top conveying pipe is communicated with the top end of the first cyclone separator, and the bottom end of the first cyclone separator is connected with the oxygen carrier return material arranged at the top of the fuel reactor, and the air reacts An air inlet is arranged at the bottom of the reactor, and a fluidizing gas nozzle and several jets are arranged at the lower part of the fuel reactor. Compared with the chemical chain combustion device, the device proposed by the present invention forms a pyrolysis + chemical chain combustion two-stage reaction unit by decoupling the pyrolysis process in the chemical chain combustion, avoiding the complex ash of organic solid waste and the oxygen carrier. Contact, improve the service life of the oxygen carrier.

Description

technical field [0001] The invention relates to the technical fields of environmental protection and energy utilization, and in particular, to a method and a device for removing pollutants by thermally decoupled chemical chain combustion of organic solid waste. Background technique [0002] Organic solid waste refers to solid and semi-solid organic wastes produced by human beings in production, consumption, life and other activities. With the development of the economy and the improvement of people's living standards, the output of organic solid waste (hereinafter referred to as "organic solid waste") is increasing day by day. If it is not handled properly, it will seriously endanger the ecological environment and human health. [0003] At present, the main methods of organic solid waste treatment and disposal are landfill, composting and incineration. A large number of studies have shown that the two methods of sanitary landfill and composting not only need to occupy a lot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G5/027F23G5/12F23G5/16F23G5/44F23G5/46
CPCF23G5/027F23G5/12F23G5/16F23G5/44F23G5/46F23G2201/30F23G2202/103F23G2204/103F23G2206/10Y02E20/34F23C99/00F23G5/0273F23C2900/99008F23G2201/303
Inventor 黄振林延袁浩然魏国强郑安庆赵坤赵增立李海滨
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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