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Air-cooleddry-type deslagging system, slag pit liner and construction method thereof

A construction method and air-cooled technology, applied in the field of slag discharge equipment, can solve the problems of complex, easy castable, falling off construction process, etc., and achieve the effect of avoiding deformation and stress, simple construction process, and loose environmental conditions.

Active Publication Date: 2016-08-31
CHINA SHENHUA ENERGY CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] What the present invention aims to solve is the technical problem that the pouring material is easy to fall off and / or the construction process is complicated in the existing slag well lining structure

Method used

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  • Air-cooleddry-type deslagging system, slag pit liner and construction method thereof
  • Air-cooleddry-type deslagging system, slag pit liner and construction method thereof

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Embodiment Construction

[0033] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0034] In the present invention, in the case of no contrary description, the orientation words "longitudinal" and "transverse" used generally refer to the horizontal direction along the inner surface of the slag shaft wall 1 and the direction perpendicular to the horizontal direction, for example figure 1 Perpendicular to paper orientation and vertical orientation shown in . The orientation word "thickness" used generally refers to the direction perpendicular to the inner surface of the slag shaft wall 1, for example figure 1 in the left-right direction shown in .

[0035] refer to figure 1 , shows the cross-sectional structure of the slag well lining accordi...

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Abstract

The invention relates to a field of deslagging equipment and discloses an air-cooled dry-type deslagging system, a slag pit liner and a construction method thereof. The slag pit liner is arranged on the inner side surface of a slag pit wall (1) and includes a calcium silicate board layer (2) comprising a calcium silicate board; a fireproof castable layer (3) arranged on a side, away from the slag pit wall (1), of the calcium silicate board layer (2) in a fitting manner; an anchoring nail (4) connected to the inner side surface of the slag pit wall (1) and penetrates through the calcium silicate board layer (2) and the fireproof castable layer (3) and extends. According to the invention, when large blocks of slag fall onto the fireproof castable layer (3), the calcium silicate board layer (2) can provide full support and the calcium silicate board can be laid on the slag pit wall (1) so as to form the calcium silicate board layer (2) to act as a thermal insulation layer. The invention has advantages of good protection effect, simple construction technology and the like.

Description

technical field [0001] The invention relates to slag discharge equipment, in particular to a slag well lining. In addition, the invention also relates to an air-cooled dry slag discharge system comprising the slag well lining and a construction method for the slag well lining. Background technique [0002] The slagging methods of coal-fired boilers mainly include wet slagging and dry slagging. In contrast, wet slag removal has disadvantages such as difficult slag water treatment, serious environmental pollution, and the need to install water treatment facilities; while dry slag removal does not require water during transportation and can reduce environmental pollution. Therefore, The use of dry deslagging is becoming more and more widespread. [0003] In the dry slag removal process, the high-temperature slag generated by combustion in the boiler first falls into the slag well, and then falls to the steel belt machine through the slag discharge door (such as a hydraulic sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23J1/06
CPCF23J1/06
Inventor 季广辉刘伟许占谋李兴源陈宇李宗耀袁立强李国新王天伟安亮
Owner CHINA SHENHUA ENERGY CO LTD
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