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Construction method for enabling water-cooling walls of refuse incineration power generation waste heat boiler to integrally penetrate from top

A waste heat boiler and waste incineration technology, applied in the direction of combustion methods, boiler water pipes, combustion chambers, etc., can solve the problems of being stored near the installation location, welding quality cannot be guaranteed, and the working surface cannot be expanded, so as to facilitate control and reduce high waste. The effect of empty pipe arrangement on the quantity of welding, improving work efficiency and engineering quality

Active Publication Date: 2017-01-11
SHANGHAI ERSHIYE CONSTR CO LTD +1
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AI Technical Summary

Problems solved by technology

The traditional installation method of the water-cooled wall of the waste heat boiler is that the water-cooled wall is hoisted in a single piece after the installation of the boiler steel structure. Pre-stored near the installation location, the construction efficiency is low, and it is not conducive to the control of the construction progress

Method used

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  • Construction method for enabling water-cooling walls of refuse incineration power generation waste heat boiler to integrally penetrate from top
  • Construction method for enabling water-cooling walls of refuse incineration power generation waste heat boiler to integrally penetrate from top
  • Construction method for enabling water-cooling walls of refuse incineration power generation waste heat boiler to integrally penetrate from top

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Embodiment Construction

[0029] The present invention is further illustrated below by specific examples.

[0030] A construction method for the overall top penetration of the water-cooled wall of the waste heat boiler for waste incineration power generation, including

[0031] Step 1. Fabrication of water wall tooling platform:

[0032] Two I-beams are used to meet the simultaneous assembly of four sets of water-cooled walls. The height of the tooling platform from the ground is at least 1 meter. Each leg of the tooling platform is supported on a concrete pier or concrete road to prevent the platform from sinking and deforming. Adjust the elevation of the tooling platform to ensure levelness;

[0033] Step 2. Assemble the water-cooled wall ground in sections:

[0034] Weld the limit device on the water-cooled wall tooling platform, the limit device is 4 meters apart, and is used for the assembly and adjustment of the water-cooled wall; when assembling the water-cooled wall, mainly adjust its length,...

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Abstract

The invention relates to a construction method for enabling water-cooling walls of a refuse incineration power generation waste heat boiler to integrally penetrate from a top. The construction method is characterized by comprising the following steps: step 1, manufacturing a water-cooling wall tool platform; step 2, assembling the water-cooling walls in a segmental mode on ground; step 3, mounting collecting boxes and the water-cooling walls in pairs; step 4, mounting rigid beams; step 5, enabling the water-cooling walls to integrally penetrate from the top; step 6, hoisting the water-cooling walls to the positions; and step 7, arranging an overhead row of tubes in pairs. With the adoption of a mounting method for the water-cooling walls of the waste heat boiler, water-cooling wall hoisting times and quantity of the overhead row of tubes welded in pairs are reduced, pipeline butt-welding quality control is convenient, the problem that part of the water-cooling walls are difficult to put in positions after a boiler steel structure is mounted can be efficiently solved, the construction period is effectively shortened, and potential safety hazards caused by overhead mounting operation and welding operation are further reduced. Meanwhile, a special clamping device for ground pipeline aligning and an overhead pipe row aligner are applied, so that working efficiency and project quality are effectively improved.

Description

technical field [0001] The invention relates to a method for installing a water wall of a waste heat boiler system for waste incineration, in particular to a construction method for integral top penetration of a water wall of a waste heat boiler for waste incineration power generation. Background technique [0002] With the rise of domestic waste incineration environmental protection power generation business, higher requirements are put forward for the installation of waste heat power generation waste heat boilers. The traditional installation method of the water-cooled wall of the waste heat boiler is that the water-cooled wall is hoisted in a single piece after the installation of the boiler steel structure. It is inconvenient to adjust the high-altitude assembly, and the welding quality cannot be guaranteed. Pre-stored near the installation location, the construction efficiency is low, which is not conducive to the control of the construction progress. Contents of the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B37/10F23M5/08
CPCF22B37/10F23M5/08
Inventor 张小华万赤钢赵敏芹王佳
Owner SHANGHAI ERSHIYE CONSTR CO LTD
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