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Installation method of boiler water cooling wall

An installation method and water-cooled wall technology, applied in the field of boiler water-cooled wall installation, can solve problems such as poor quality of water-cooled walls, achieve the effects of reducing deformation, avoiding bending of welds between water-cooled walls, and simple and efficient welding

Pending Publication Date: 2021-08-24
MCC CAPITAL ENGINEERING & RESEARCH
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Problems solved by technology

[0004] In order to solve the problem of poor quality of the water-cooled wall in the existing boiler, the present invention provides a method for installing the water-cooled wall of the boiler. The installation method of the boiler water-cooled wall shortens the installation and production cycle of the water-cooled wall and improves the welding quality of the water-cooled wall

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  • Installation method of boiler water cooling wall
  • Installation method of boiler water cooling wall
  • Installation method of boiler water cooling wall

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Embodiment Construction

[0028] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Taking a circulating fluidized bed boiler as an example, the installation method of the water wall of the circulating fluidized bed boiler is introduced. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0029] A method for installing a boiler water wall, the boiler water wall 2 includes an upper header 26, a membrane wall tube and a lower header 27 connected sequentially from top to bottom, and the membrane wall tube includes a furnace top membrane wall Tube 21, front membrane wall tube 22, rear membrane wall tube 23, left membrane wall tube 24 and right rear membrane wall tube 25, the installation method of the boiler water wall comprises the following steps:

[0030] Step 1, manufacture combined platform frame 1;

[0031] Step 2. Make furn...

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Abstract

The invention provides an installation method of a boiler water cooling wall. The installation method comprises the following steps: 1, manufacturing a combined platform frame (1); 2, manufacturing a furnace top membrane type wall pipe (21), a front membrane type wall pipe (22), a rear membrane type wall pipe (23), a left membrane type wall pipe (24) and a right rear membrane type wall pipe (25) on the combined platform frame (1); and 3, hoisting the furnace top membrane type wall pipe (21), the front membrane type wall pipe (22), the rear membrane type wall pipe (23), the left membrane type wall pipe (24), the right rear membrane type wall pipe (25), an upper collecting box (26) and a lower collecting box (27). According to the installation method of the boiler water cooling wall, the installation production period of the water cooling wall is shortened, and the welding quality of the water cooling wall is improved.

Description

technical field [0001] The invention relates to a method for installing a water cooling wall of a boiler. Background technique [0002] The water-cooled wall is the main heating part of the boiler. It is composed of several rows of steel pipes and distributed around the boiler furnace. Its interior is flowing water or steam, and the outside receives the heat of the flame of the boiler furnace. Generally, the water-cooled wall is composed of multiple tubes. The traditional welding process scheme is to first weld the flat steel on the horizontal plane of the pipe through multi-head welding to weld the pipes into rows, and then perform manual assembly and welding. [0003] In the existing technology, the installation of the water-cooled wall has always been hoisted first and then welded. During welding, the water-cooled wall is hoisted in mid-air for welding. After welding, the water-cooled wall is easy to bend at the weld seam, causing the furnace to be not tightly sealed and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23M5/08B23K9/167
CPCF23M5/08B23K9/167
Inventor 李坤刘智张艳峰杨和平李宏吴艳岭张鑫
Owner MCC CAPITAL ENGINEERING & RESEARCH
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