Fluidized-bed gasification furnace

A fluidized bed gasifier and fluidized bed technology are applied in the field of fluidized bed gasifiers and can solve problems such as disadvantages
CN1711445AInactive Publication Date: 2005-12-21EBARA CORP
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
EBARA CORP
Publication Date
2005-12-21
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention relates to a fluidized-bed gasifier used in a gasification and slagging combustion system, which is used for gasifying combustibles, and the generated gas and coke are transported to the slagging combustion furnace, and in the slagging combustion furnace, a high temperature The gas and coke are burnt down and the ashes are melted. The fluidized bed gasifier comprises a fluidized bed (11) having a substantially rectangular horizontal cross-section in which combustibles are gasified in a circulating flow of fluidized medium, and at least one non-conductive bed defined on at least one side of the fluidized bed The combustible material discharge part (18) is used to discharge the fluidized medium and the non-combustible material accompanying the fluidized medium.
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Description

technical field

[0001] The present invention relates to a fluidized bed gasifier used in a gasification and slagging combustion system for gasifying combustibles, including municipal waste, industrial waste, biomass, etc., which will generate gas and coke (solid carbon ) to the slagging furnace, where the gas and coke are burned at high temperature and the ash is melted. Background technique

[0002] In recent years, a method has been adopted to gasify (pyrolyze) waste such as municipal waste, industrial waste, biomass or medical waste in a reducing atmosphere in a fluidized bed gasifier, and the gas, coke and ash produced by the gasification A slagging furnace (melting furnace) is introduced, and gas and coke are burned at high temperature and ashes are melted in the slagging furnace.

[0003] For example, a conventional fluidized bed gasifier is disclosed in Japanese Patent Laid-Open Publication No. 2-147692. In the fluidized-bed gasifier disclosed in this document, by m...

Claims

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