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Hood having narrow gap for coal activation

A hood and air-passing technology, applied in inorganic chemistry, non-metallic elements, carbon compounds, etc., can solve the problems of short life and continuous operation, and achieve the effect of easy transportation

Pending Publication Date: 2018-11-13
SHAANXI KEHUI THERMAL TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the process of producing activated carbon by fluidization method, the air cap on the activation furnace cloth air plate is made of heat-resistant stainless steel, which only solves the problem of temperature resistance. The single-layer structure arrangement has a short service life and has the disadvantage of not being able to operate continuously.

Method used

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  • Hood having narrow gap for coal activation
  • Hood having narrow gap for coal activation
  • Hood having narrow gap for coal activation

Examples

Experimental program
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Embodiment

[0025] refer to Figure 1-4 , a hood, including a hood body 1 and an air passage device 2 prepared from non-metallic heat-resistant materials; the air passage device 2 is a hollow structure, and the surface of the air passage device 2 is provided with a plurality of raised brackets 201, the air passing device 2 is closely attached to the inner wall of the hood body 1 through the raised bracket 201; A gap-type air passage is provided, and a plurality of air passage holes are also provided on the air passage device 2, and the air passage holes include a first air passage hole 202 and a second air passage hole 203 respectively. Both the first air passage hole 202 and the second air passage hole 203 are located inside the hood body 1 ; the other end of the air passage device 2 is also connected to a back blowing parallel flow device 3 .

[0026] Further, both the hood body 1 and the gas passing device 2 are made of ninety-five alumina porcelain parts and the like.

[0027] Furth...

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PUM

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Abstract

The invention discloses a hood having a narrow gap for coal activation. The hood includes a hood body 1 formed by a non-metal temperature resistant material and an air passing device 2. The air passing device 2 is of a hollow structure, the surface of the air passing device 2 is provided with a plurality of protruding brackets 201, the air passing device 2 is closely attached to the inner wall ofthe hood body 1 through the protruding brackets 201, one end of the air passing device 2 is fixedly assembled in the hood body 1, and the air passing device 2 forms a gap type air passing channel withthe hood body 1. The air passing device 2 is further provided with a plurality of air passing through holes, the air passing through holes are located in the hood body 1, and the other end of the airpassing device 2 is further connected with a back flushing parallel flow device 3. According to the hood, not only can the blockage of the hood be effectively avoided, but also the hood has the characteristics of high temperature resistance, wear resistance and corrosion resistance.

Description

technical field [0001] The invention relates to the field of activated carbon production, in particular to a wind cap used for coal activation. Background technique [0002] At present, in the process of producing activated carbon by fluidization method, the hood of the activation furnace cloth hood is made of heat-resistant stainless steel, which only solves the problem of temperature resistance. The single-layer structure arrangement has a short service life and has the disadvantage of not being able to operate continuously. However, as an essential key component for the activation of coal fluidization method, the hood should not only be resistant to high temperature and corrosion, but also prevent the upper part of the hood from clogging. Air cap is an important part of the activation furnace, and its structural design plays a vital role in the fluidization activation of coal. Contents of the invention [0003] In order to solve the problems existing in the prior art, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/39
CPCC01B32/39
Inventor 王润年张建联吴晓明王丽娜严利娜
Owner SHAANXI KEHUI THERMAL TECH