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Boiler slag screen sheath

A technology for thinning tubes and sheaths, which is applied in the directions of steam superheating, lighting and heating equipment, steam generation, etc., can solve the problems of exposed wear and thermal expansion and deformation of the tube row, and achieve the effect of avoiding wear, improving stability and preventing deformation.

Active Publication Date: 2019-11-26
ORDOS JUNZHENG ENERGY CHEM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a strainer pipe sheath to solve the problem that the existing strainer pipe sheath is heated and expanded and deformed during operation, resulting in the exposed wear of the pipe row

Method used

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Embodiment Construction

[0023] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0024] Such as Figure 1-3 As shown, the embodiment of the present invention provides a diarrhea tube sheath, which includes a sheath body 1, an upper mounting plate 2, a lower mounting plate 3, and a compensator 4.

[0025] The sheath body 1 is a cylindrical structure with open upper and lower ends, and the sheath body 1 is used t...

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Abstract

The invention relates to the technical field of boiler slag screen protection, in particular to a boiler slag screen sheath. The boiler slag screen sheath comprises a sheath body, an upper mounting plate, a lower mounting plate and a compensator, wherein the upper end and the lower end of the sheath body are correspondingly connected with the upper mounting plate and the lower mounting plate correspondingly, the compensator is arranged on the outer side of the sheath body in a sleeve mode, and the compensator divides the outer side wall of the sheath body into a sheath body upper section and asheath body lower section. When the boiler slag screen sheath is subjected to thermal expansion during operation of a boiler, enough expansion allowance is achieved, the sheath can freely expand in the upward direction and the downward direction of the compensator without resistance, so that deformation of the boiler slag screen sheath is effectively prevented, the problem that a tube bank is exposed and worn is effectively avoided, the influence on flue gas trend is reduced, and the operation stability of a boiler unit is improved.

Description

Technical field [0001] The invention relates to the technical field of diarrhea tube protection, in particular to a diarrhea tube sheath. Background technique [0002] The deflated tube of the wall-clad superheater at the end of the boiler needs to be protected by a tube sheath. The original tube sheath structure is made by butting two U-shaped plates. However, the tube sheath of this kind of structure will be thermally expanded and deformed seriously during boiler operation, resulting in exposed tube rows, affecting the flue gas direction and flow rate, causing serious wear of the front wall thinning tube tube row, and affecting the stability of the unit operation Sex. Summary of the invention [0003] (1) Technical problems to be solved [0004] The purpose of the present invention is to provide a sparse tube sheath, which solves the problem that the existing sparse tube sheath undergoes thermal expansion and deformation during operation, resulting in exposed and worn tube rows...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22G3/00
CPCF22G3/008
Inventor 王建军邢强李江徐震马兴能窦东官裴振全张龙张昊张鑫
Owner ORDOS JUNZHENG ENERGY CHEM
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