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Anti-oxidization water cooling device and method for high-temperature easily-oxidized powder

A water-cooling device and easy-to-oxidize technology, applied in the field of water-cooling devices, can solve the problems of anti-oxidative cooling, easy powder agglomeration, water vapor accumulation, etc., and achieve the effects of reducing inner wall wear, reducing deposition, and simplifying subsequent processing.

Active Publication Date: 2014-11-19
湖南长拓高科冶金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the deficiencies of the prior art, the present invention provides an anti-oxidation water cooling device and method for high-temperature easily oxidizable powders to solve the problem of diffusion and condensation of a large amount of water vapor generated during water quenching and avoid the accumulation of water vapor
[0008] At the same time, it solves the problem of anti-oxidation cooling of high-temperature oxidizable powder
[0009] At the same time, the powder is dispersed many times during the cooling process to solve the problem of easy agglomeration and agglomeration of the powder

Method used

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  • Anti-oxidization water cooling device and method for high-temperature easily-oxidized powder
  • Anti-oxidization water cooling device and method for high-temperature easily-oxidized powder
  • Anti-oxidization water cooling device and method for high-temperature easily-oxidized powder

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Embodiment 1

[0044] see figure 1 , this embodiment provides an anti-oxidation water cooling device for high-temperature easily oxidizable powder, including a powder dispersing conveying device 1 and a cooling tower body 2; the powder dispersing conveying device 1 includes a feeding pipe 11, a dispersing conveying pipe 12 and nozzle 13; one end of the dispersing delivery pipe 12 communicates with the cooling tower body 2, and the other end of the dispersing delivery pipe 12 is provided with a nozzle 13; the dispersing delivery pipe 12 communicates with the feeding pipe 11 to form a three-way structure.

[0045] The high-temperature easily oxidizable powder enters the dispersing conveying pipe through the feeding pipe, meets the cooling water sprayed from the nozzle installed at one end of the dispersing conveying pipe, and is cooled by water quenching. The cooling water will disperse the high-temperature powder falling into the dispersing conveying pipe to form a mixed flow of water and pow...

Embodiment 2

[0047] see figure 2, this embodiment provides an anti-oxidation water cooling device for high-temperature easily oxidizable powder, including a powder dispersing conveying device 1 and a cooling tower body 2; the powder dispersing conveying device 1 includes a feeding pipe 11, a dispersing conveying pipe 12 and nozzle 13; one end of the dispersing delivery pipe 12 communicates with the cooling tower body 2 in a tangential manner (making the mixed flow of water and powder form a swirling flow on the inner wall of the cooling tower, see Figure 5 ), and lower than the other end provided with a nozzle 13; the angle between the dispersing delivery pipe 12 and the horizontal axis of the cooling tower body 2 is 15°, and the cooling tower impacted by the mixed flow of water and powder in the dispersing delivery pipe The inner wall area of ​​the body 2 is provided with a wear-resistant lining plate 23; the dispersing conveying pipe 12 is connected with the feeding pipe 11 to form a t...

Embodiment 3

[0049] see image 3 , this embodiment provides an anti-oxidation water cooling device for high-temperature easily oxidizable powder, including a powder dispersing conveying device 1 and a cooling tower body 2; the powder dispersing conveying device 1 includes a feeding pipe 11 and a dispersing conveying pipe 12. One end of the dispersing delivery pipe 12 communicates with the cooling tower body 2 in a tangential form, and is lower than the other end provided with three nozzles 13, and the clamping between the dispersing delivery pipe 12 and the horizontal axis of the cooling tower body 2 The angle is 5°, and the inner wall area of ​​the cooling tower body 2 impacted by the mixed flow of water and powder in the dispersing conveying pipe 12 is provided with a wear-resistant lining plate 23; the dispersing conveying pipe 12 is connected with the feeding pipe 11 to form a three-way Structure; the cooling tower body 2 is made up of the cylindrical portion of the top and the conical...

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Abstract

The invention relates to a water cooling device, and provides an anti-oxidization water cooling device for high-temperature easily-oxidized powder. The anti-oxidization water cooling device comprises a powder dispersing and conveying device and a cooling tower body; the powder dispersing and conveying device comprises a blanking pipe, a dispersing and conveying device and a spray nozzle; one end of the dispersing and conveying device is communicated with the cooling tower body, and the spray nozzle is arranged on the other end of the dispersing and conveying device; and the dispersing and conveying device and the blanking pipe are communicated to form a three-way structure. The invention further provides a magnetic roasting system comprising the anti-oxidization water cooling device for high-temperature easily-oxidized powder, and an anti-oxidization water cooling method for high-temperature easily-oxidized powder. The water quenching and cooling of the high-temperature easily-oxidized powder can be realized, the collection problem of massive water vapor during water quenching and cooling can be solved, the conveying of a water and powder mixture flow can be realized, the treatment capacity is large, and large-scale production is favorable.

Description

technical field [0001] The invention relates to a water cooling device, in particular to an anti-oxidation water cooling device and method for high-temperature easily oxidizable powder. Background technique [0002] Weak magnetic iron ore powder is roasted by flash magnetization to become high temperature strong magnetic iron ore powder, which needs to be cooled rapidly to a stable state under anaerobic conditions, and iron enrichment can be achieved through magnetic separation to improve the concentrate grade. Because the strong magnetic high-temperature magnetite powder after reduction roasting is easily oxidized into weak magnetic iron ore powder in an oxygen environment, a non-oxidizing medium is required for cooling. [0003] Water quenching cooling is a common cooling method. After the ore powder is roasted, the temperature is as high as 850°C, and a large amount of water vapor will be generated during water quenching, which can be used as a protective gas for water q...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B1/26
Inventor 高泽斌赵沛庄大英李永恒
Owner 湖南长拓高科冶金有限公司
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