Air spray injection cooling device for continuous annealing cooling of strips

A water mist spraying and cooling device technology, which is applied in the field of metallurgy, can solve problems such as easy deformation, uneven cooling, and poor stress relief effect, and achieve the effect of keeping the shape unchanged

Pending Publication Date: 2020-07-24
GUANGDONG STRONG METAL TECH
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of uneven cooling, poor effect of stress relief, and easy deformation of e

Method used

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  • Air spray injection cooling device for continuous annealing cooling of strips
  • Air spray injection cooling device for continuous annealing cooling of strips
  • Air spray injection cooling device for continuous annealing cooling of strips

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specific Embodiment 1

[0037] refer to Figure 1-Figure 2, the strip continuous annealing cooling air water mist spray cooling device that concrete embodiment 1 of the present invention relates to, comprises box body 10 and at least two air water mist injectors arranged in box body 10, box body 10 is arranged on the strip material At the continuous annealing cooling station; the air and water mist sprayers are even numbers, and are distributed up and down in the box 10, forming an upper and lower opposite air and water mist spray structure, that is, forming a top-to-bottom and bottom-to-top The double-sided uniform multi-point surface spray structure; the front end of the air water mist sprayer is fixedly connected to the outer wall of the box body 10 through the box body flange 10-1, and the rear end is fixedly connected to the inner wall of the box body 10 through the arc-shaped support plate 5, The box body flange 10-1 is connected with an air pipe flange 1-3, forming an integrated connection str...

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PUM

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Abstract

The invention relates to an air spray injection cooling device for continuous annealing cooling of strips. The air spray injection cooling device is characterized by comprising a box body and at leasttwo air spray injectors arranged in the box body, wherein the box body is arranged in the continuous annealing cooling position of strips; the number of the air spray injectors is an even number, theair spray injectors are vertically distributed in the box body, a vertical opposite type air spray injection structure is formed, that is, an air spray injection structure realizing the double-sidedeven multipoint surface from top to bottom and from bottom to top is formed; and the front ends of the air spray injectors are fixedly connected with the outer wall of the box body through a box bodyflange, the rear ends are fixedly connected with the inner wall of the box body through arc-shaped supporting plates, a box body flange is connected with an air duct flange, and therefore, an integrated connecting structure which is easy to mount and dismount is formed. The air spray injection cooling device has outstanding substantive features of being uniform in continuous annealing cooling of the strips and good in stress relieving effect and keeping forms of the strips (workpieces) unchanged and has remarkable technical progress.

Description

technical field [0001] The invention relates to an air-water spray cooling device for continuous annealing and cooling of strips, which is suitable for annealing and cooling of metal strips. It belongs to the field of metallurgy technology. Background technique [0002] With the development of metal strip rolling mill technology, the strip is becoming wider and thinner, which makes the flatness and convexity of the strip more demanding. The shape of the strip depends on the distribution of the residual stress of the strip. In order to eliminate the residual internal stress of the strip, there are higher requirements for the control of the heating uniformity and cooling uniformity of the annealing after rolling. When the heating and heat preservation is complete, the control of cooling uniformity is one of the key factors to eliminate the internal stress of the strip. Taking stainless steel strip annealing cooling as an example, the cooling rate from 1080°C-900°C should be ...

Claims

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Application Information

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IPC IPC(8): C21D9/573C21D1/26
CPCC21D9/5735C21D1/26
Inventor 陈志强王桂茂梁泳沣
Owner GUANGDONG STRONG METAL TECH
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