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Method of gasifying gasification fuel and apparatus therefor

一种气化燃料、气化装置的技术,应用在气化燃料的气化领域,能够解决不能得到高气化效率等问题,达到提高生成效率、提高气化效率的效果

Active Publication Date: 2009-12-23
IHI CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even if the superficial velocity is adjusted in this way, it is impossible to effectively supply only combustible solid components that have been fully gasified in the gasification chamber to the carbon combustion chamber, and some combustible solid components that have not been fully gasified carbon burner
Therefore, when the gasification fuel is especially high-fuel-ratio fuel such as coal containing a lot of fixed carbon components, or a fuel with a high fuel-ratio raw material containing a lot of fixed carbon components (such as organic waste, mixed fuel), because it cannot only Combustible solid components generated from fuel with a high fuel ratio are efficiently retained in the gasification chamber for gasification, so there is a problem that high gasification efficiency cannot be obtained

Method used

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  • Method of gasifying gasification fuel and apparatus therefor
  • Method of gasifying gasification fuel and apparatus therefor
  • Method of gasifying gasification fuel and apparatus therefor

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Embodiment Construction

[0061] Embodiments of the present invention will be described below with reference to the drawings.

[0062] figure 2 , image 3 shown in figure 1 In the gasification furnace 2 shown, especially when the fuel with high fuel ratio is supplied, the gasification rate of the combustible solid components with large specific gravity can be improved, so for the figure and figure 1 For the same parts, descriptions of the same symbols are omitted, and only the characteristic parts of the present invention will be described in detail.

[0063] Such as figure 2 , image 3 As shown, the medium downflow pipe 11 for introducing the fluidized medium 10 separated by the aforementioned medium separation device 9 into the gasifier 2 and the fuel supply port 21 for introducing the gasification fuel 12 into the gasifier 2 are arranged in the aforementioned gasifier 2 inner side ( figure 2 , image 3 on the right side of the gasification furnace 2), and the solid content supply port 19 f...

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Abstract

It is intended to enhance the gasification efficiency of combustible solid contents at the time of gasification of a fuel of high fuel ratio having a high content of fixed carbon. There is provided an apparatus comprising gasification furnace (2) and, disposed on one side thereof, bed material downflow pipe (11) for introduction of fluid bed material (10) separated by bed material separator (9) and fuel supply port (21) for introduction of gasification fuel (12), and further comprising, disposed on the other side of the gasification furnace (2), solid contents supply port (19) for feeding of the fluid bed material (10) and combustible solid contents (18) within the gasification furnace (2) to combustion furnace (1), and further comprising vertical partition boards (22) arranged between the one end and the other end within the gasification furnace (2), so that there is created zigzag curved flow channel (23) bent up and down from the one end toward the other end within the gasification furnace (2).

Description

technical field [0001] The present invention relates to a gasification method and device for gasification fuel, in particular to a gasification method and device for gasification fuel that can efficiently gasify fuel with a high fuel ratio. Background technique [0002] Conventionally, various proposals have been made regarding a fluidized bed gasifier that uses solid fuel such as coal, organic waste, etc. as fuel and decomposes it to generate gas. One of such fluidized bed gasification furnaces is called an integrated gasification furnace. In this integrated gasification furnace, a gasification chamber and a carbon (char) combustion chamber of a fluidized bed are formed by supplying fluidizing gas to each lower part. Separated by one partition wall having an opening at the lower end, they are integrated as a whole. Between the gasification chamber and the carbon combustion chamber, the fluidized medium circulates through the opening of the partition wall, so that carbon (c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J1/00C10J3/00F23G5/30
CPCC10J2300/093C10J2300/0946F23G2201/40C10J2300/0993Y02E20/18C10J2300/0956F23G5/027F23G5/30F23G5/16C10J2300/1653C10J3/463C10J3/80Y02P20/129
Inventor 村上高广许光文须田俊之
Owner IHI CORP
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