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Method and device for detecting radiant tube deformation outside furnace

A detection device and radiation tube technology, which is applied to measuring devices, instruments, etc., can solve problems such as radiation tube deformation, and achieve the effect of saving time for regular repairs

Inactive Publication Date: 2013-07-17
BAOSHAN IRON & STEEL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for detecting the deformation of the radiation tube outside the furnace to solve the technical problem of detecting and judging the deformation of the radiation tube in the furnace outside the furnace

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  • Method and device for detecting radiant tube deformation outside furnace
  • Method and device for detecting radiant tube deformation outside furnace
  • Method and device for detecting radiant tube deformation outside furnace

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Embodiment Construction

[0034] In order to better understand the above technical solutions of the present invention, a further detailed description will be given below in conjunction with the drawings and embodiments.

[0035] The continuous annealing furnace heating section of the continuous annealing unit usually adopts W-shaped radiant tubes to burn coke oven gas for heating. The radiant tube heating device includes a main burner, an igniter and a burner combustion monitor device. The air passage structure of the commonly used radiant tube burner is as follows: figure 1 shown in figure 1 In the drawing, the radiant tube 4 is omitted, and only the part close to the furnace wall 3 is drawn for the inner part of the furnace. The gas enters through the inlet 1 of the gas channel, and the combustion-supporting air blows into the radiant tube 4 through the main blower, and enters the heat exchange device through the inlet 2. After being preheated by the high-temperature combustion waste gas inside the...

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Abstract

The invention discloses a method and device for detecting radiant tube deformation outside a furnace, and relates to a method and device suitable for detecting parts of thermal processing devices, in particular to the method and device for detecting radiant tube deformation of continuous annealing heating furnaces of metallurgy enterprises. The detection device comprises multiple paths of sampling controllers and a data analyzing and processing unit, wherein input ports of the multiple paths of sampling controllers can be respectively connected with air inlet passages and air discharging passages of radiant tubes to be detected through pipelines, and by means of controlling of a selection element of a sampling port, one of the input ports is selected to be communicated with an output port. An air pressure detection signal output end of an air pressure detection element is connected onto an input / output (I / O) port of a central processing unit through an analog-to-digital (A / D) conversion unit, pressure data of each path obtained by sampling are analyzed and processed by the central processing unit, detection values of flow capacity and deformation degree of the radiant tubes can be obtained, whether the radiant tubes in the furnace are deformed and how the deformation degree is can be detected from the outside of the furnace conveniently, the radiant tubes needing replacing can be accurately judged, and the periodical repair time of a machine unit can be saved.

Description

technical field [0001] The invention relates to a method and a device suitable for detecting parts of heat treatment equipment, in particular to a method and a device for detecting the deformation of a radiation tube of a continuous annealing furnace in a metallurgical enterprise. Background technique [0002] One of the most important process parameters of annealing furnace is temperature, which is formed by electric heating or combustion. The annealing furnace heating section and baking furnace section of the continuous annealing unit use burners to ignite the mixed air and gas for heating. According to the mixing method of gas and air during gas combustion, burners can be divided into diffusion burners and premix burners. The continuous annealing furnace heating section of the continuous annealing unit usually adopts a W-type radiant tube to burn coke oven gas for heating. The combustion air is mixed with the gas at the burner and then burned inside the radiant tube. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/32
Inventor 杨光邹忠魁肖盼谢勇陈洪兴
Owner BAOSHAN IRON & STEEL CO LTD
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