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Medical refuse circulating fluidized bed burning furnace and burning method thereof

A circulating fluidized bed, medical waste technology, applied in the combustion method, incinerator, combustion type, etc., can solve the problem of difficult to overcome acid gas corrosion, and achieve the effect of low cost, prevention of corrosion problems, and long residence time

Inactive Publication Date: 2005-07-27
ZHEJIANG UNIV
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AI Technical Summary

Problems solved by technology

In the previous rotary kiln plus secondary combustion chamber structure, it was difficult for the incinerator to overcome the corrosion problem of acid gas

Method used

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  • Medical refuse circulating fluidized bed burning furnace and burning method thereof

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Embodiment Construction

[0011] As shown in the attached figure, the medical waste circulating fluidized bed incinerator has a suspension section combustion chamber 1 and a dense phase section combustion chamber 4. The dense phase section combustion chamber 4 is equipped with an air distribution device 5, and the air distribution device 5 is connected with an equalizing air box. 7 connection, the lower end of the combustion chamber 4 of the dense phase section is provided with a slag discharge port 6, and the side wall of the lower end of the combustion chamber 1 of the suspension section is provided with a secondary air inlet pipe 2, at the intersection of the combustion chamber 1 of the suspension section and the combustion chamber 4 of the dense phase section The side wall of the medical waste feeding port 3 and the limestone feeding device 8 are provided, and the gas-solid separation combustion chamber 10 is connected to the upper end of the combustion chamber 1 of the suspension section. A return ...

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Abstract

This invention is involved in a recycled fluid burning furnace of medical garbage and corresponding burning method. The furnace consists of suspension section firebox, dense phase section firebox. There is a secondary inlet of air on the side wall at the lower end of suspension section firebox; there is an inlet of medical garbage and feeding device of limestone on the side wall of intersection of suspension section firebox and dense phase section firebox; there is a solid-gas separation firebox at the upper end of suspension section firebox; there is a central cylinder at the middle of solid-gas separation firebox; there is return devices between the low end of solid-gas separation firebox and dense phase section firebox. The limestone is inert bed material, and decomposes to CaO, CaO reacts with hypochlorous in garbage and hydrogen chloride generated in burning to reduce the acidic gas emission, and prolong the service life of the furnace.

Description

technical field [0001] The invention relates to a circulating fluidized bed incinerator for medical waste and an incineration method thereof. Background technique [0002] Medical waste refers to directly or indirectly infectious, toxic and other hazardous waste produced by medical and health institutions in the course of medical treatment, prevention, health care and other related activities. Medical waste pollutes the environment, spreads diseases, and threatens health. It is very harmful. It is the primary waste among the 47 types of hazardous waste in the "National Hazardous Waste List". In order to prevent social hazards and disease transmission caused by medical waste, protect the environment and safeguard human health, develop incineration methods for clean combustion and environmentally friendly emissions, and cleanly incinerate medical waste. [0003] Rotary kiln plus secondary combustion chamber is a common way of medical waste incineration. The rotary kiln is a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G5/16F23G5/30F23G5/44
Inventor 严建华马增益池涌蒋旭光李晓东金余其杨家林倪明江岑可法
Owner ZHEJIANG UNIV
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