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Supercritical Boiler Superheater Tube Panel Fixing Device and Method

A supercritical boiler and superheater tube technology, applied in the field of boilers, can solve problems such as tube panel deformation, and achieve the effect of solving deformation and preventing deformation

Active Publication Date: 2016-02-10
HARBIN BOILER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the invention is to provide a supercritical boiler superheater tube panel fixing device, which enables the tubes to expand freely, prevents the tubes from being deformed, and solves the problem of overheating of supercritical boilers in the past. Tube screen deformation problem

Method used

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  • Supercritical Boiler Superheater Tube Panel Fixing Device and Method
  • Supercritical Boiler Superheater Tube Panel Fixing Device and Method
  • Supercritical Boiler Superheater Tube Panel Fixing Device and Method

Examples

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Effect test

Embodiment 1

[0023] A supercritical boiler superheater tube panel fixing device, its composition includes: the tube 1 forms a tube panel, a circle of winding tubes 3 is added near the lower tube panel, and at the same time, the bottom of the tube in the inner ring of the tube panel is pulled out to form a The clamping tube 2 clamps the tube panel.

Embodiment 2

[0025] A method for fixing a supercritical boiler superheater tube panel. A group of tubes are arranged and installed in sequence to form a tube panel. A circle of winding tubes is added near the lower tube panel, and at the same time, the bottom of the tubes in the inner circle of the tube panel is pulled out to form a tube panel. The clamping tube clamps the tube screen so that the tube can expand freely and prevent the tube from being deformed and out of the queue.

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Abstract

A supercritical boiler superheater tube panel fixing device and method. In actual operation, it is found that the superheater tube panels have problems such as disorderly arrangement and drumming to varying degrees. After analyzing and comparing the deformation parts and deformation conditions of the tube panel, it is found that the material of the inlet section of the tube panel is SA-213TP91 , part or all of the material of the outlet section is SA-213TP347H , the deformation occurs when the material is SA-213TP347H on the pipe section. A supercritical boiler superheater tube panel fixing device, its composition includes: the tube ( 1 ) to form a tube screen, and a winding tube is added near the lower tube screen ( 3 ), and at the same time pull out the bottom of the tube in the inner ring of the tube screen to make a clamp ( 2 ) holding the tube screen. The invention is used for fixing the superheater tube panel of the supercritical boiler.

Description

technical field [0001] The invention relates to a boiler field; in particular, it relates to a supercritical boiler superheater tube panel fixing device and fixing method. Background technique [0002] In the actual operation, it was found that the tube panels of the superheater had problems such as disorderly arrangement and swelling to varying degrees. After analyzing and comparing the deformation parts and deformation conditions of the tube panel, it was found that the material of the inlet section of the tube panel was SA-213TP91, and the material of the outlet section was SA-213TP91. Part or all of the material is SA-213TP347H, and the deformation occurs on the pipe section made of SA-213TP347H. After calculation, there is a large expansion difference between these two types of pipes, and the expansion of the SA-213TP347H pipe is relatively large, and the current tube panel structure cannot effectively absorb these expansion differences. These expansion differences are ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F22B37/24
Inventor 张彦军张殿军王宏生赵彦华
Owner HARBIN BOILER CO LTD
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