Fluidized bed boiler with multifunctional cyclone separator

A technology of cyclone separator and fluidized bed boiler, applied in the field of fluidized bed combustion equipment and fluidized bed boiler, can solve the problems of increasing furnace height, increasing boiler power consumption, etc., so as to improve combustion efficiency, reduce pollution emissions, prolong The effect of high temperature oxygen enrichment process
CN1477329AInactive Publication Date: 2004-02-25清华紫光环保有限公司 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
清华紫光环保有限公司
Publication Date
2004-02-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention relates to a fluidized-bed boiler with cyclone separator having double functions of separating and burning volatile component. Said separator includes an inlet section whose internal wall form is Venturi throat, external cyclone cylinder, exhaust cylinder and gas-burning air sleeve barrel mounted between external cyclone cylinder and exhaust cylinder, on the inlet section a gas-burning air hole is set, and the top of the gas-burning air sleeve barrel is equipped with hot air inlet. It can make the combustion space of fluidized-bed space be extended into the separator.
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Description

technical field

[0001] The invention relates to a fluidized bed boiler, in particular to a fluidized bed combustion equipment for burning fuel with low calorific value and high volatile content, and belongs to the technical field of energy and environmental protection. Background technique

[0002] Fluidized bed boilers usually use quartz sand or boiler ash as the heat storage medium, and the high-temperature heat storage medium is blown by wind to fill the entire combustion chamber, and the boiler fuel is suspended in the high-temperature heat storage medium in the combustion chamber for combustion. Since the heat storage capacity of the fluidized bed heat storage medium is very large, and the combustion process is carried out in space, the fluidized bed boiler has the characteristics of high burnout rate and good fuel adaptability, and is widely used to process low-quality fuel. However, when dealing with fuels with low calorific value and high volatile content such as hou...

Claims

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