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Dangerous waste incineration system

A hazardous waste and air cooler technology, applied in the direction of incinerator, combustion method, combustion type, etc., can solve the problems of high water content in ash, high landfill cost, large water consumption, etc., achieve small ash volume, The effect of saving water resources and reducing water content

Inactive Publication Date: 2016-11-09
CBMI CONSTR
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Problems solved by technology

[0002] The disposal of hazardous waste refers to the activities of incinerating waste and using other methods to change the physical, chemical and biological characteristics of waste, so as to reduce the quantity and volume of easily generated waste, reduce or eliminate its hazardous components, and finally meet the requirements of Environmental protection regulations require that the incineration method is considered to be the most effective way to achieve reduction, harmlessness and resource utilization at the same time when dealing with hazardous waste. The centralized treatment of hazardous waste in my country mainly adopts the rotary kiln incineration process. At present In the hazardous waste treatment system, most of the ash after incineration in the rotary kiln is cooled by water cooling, which consumes a lot of water, consumes a lot of energy, and has a high water content in the ash, which causes the problem of high landfill costs

Method used

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  • Dangerous waste incineration system

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the examples, the purpose is only to better understand the contents of the present invention, therefore, the examples given do not limit the protection scope of the present invention.

[0014] see figure 1 , the kiln tail of the rotary kiln 2 is connected to the slag inlet of the second combustion chamber 1, the flue gas outlet above the second combustion chamber 1 is connected to the flue gas treatment device 3, and the slag outlet below the second combustion chamber 1 is connected to the grate air cooler The slag inlet of the grate air cooler 5 is connected to the slag inlet, and a stirring device 4 is installed below the slag inlet of the grate air cooler 5. A heat insulation layer is installed on the wall plate in the grate air cooler 5. The outlet of the grate air cooler 5 The slag outlet is connected to the feeding end of the conveying equipment 7 through the bucket elevator 6 , and the disc...

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Abstract

The invention relates to the technical field of dangerous waste treatment, in particular to a dangerous waste incineration system. The dangerous waste incineration system comprises a rotary kiln and a secondary combustion chamber. A kiln tail of the rotary kiln is connected with a slag inlet of the secondary combustion chamber. The dangerous waste incineration system further comprises a grate type air cooler. A slag outlet of the grate type air cooler is connected with a slag outlet of the secondary combustion chamber. A slag outlet of the grate type air cooler is connected with the feeding end of conveying equipment through a bucket elevator. The discharging end of the conveying equipment is connected with an ash-slag bin. The grate type air cooler is adopted as an ash-slag cooling device, water resources are saved, the water content in the ash slag is greatly reduced, the ash slag landfill cost is saved, and energy consumption is reduced.

Description

technical field [0001] The invention relates to the technical field of hazardous waste treatment, in particular to a hazardous waste incineration system. Background technique [0002] The disposal of hazardous waste refers to the activities of incinerating waste and using other methods to change the physical, chemical and biological characteristics of waste, so as to reduce the quantity and volume of easily generated waste, reduce or eliminate its hazardous components, and finally meet the requirements of Environmental protection regulations require that the incineration method is considered to be the most effective way to achieve reduction, harmlessness and resource utilization at the same time when dealing with hazardous waste. The centralized treatment of hazardous waste in my country mainly adopts the rotary kiln incineration process. At present In the hazardous waste treatment system, the ash after incineration in the rotary kiln is mostly cooled by water cooling, which c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G5/44F27B7/38
CPCF23G5/44F27B7/38
Inventor 张超王中成王强刘剑英曹新明朱宝华申金永刘艾明陶瑛姜斌
Owner CBMI CONSTR
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