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Method for improving metallurgy solution crystallization deposition in air cooling course and air cooling column

A solution crystallization, air cooling tower technology, applied in the electrolysis process, water shower coolers, lighting and heating equipment, etc., can solve problems such as crystal deposition, improve crystal deposition, reduce the loss of main components, and reduce the amount of maintenance works.

Inactive Publication Date: 2009-08-05
佛山市兴民科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims at the problem of serious crystallization deposition of metallurgical solution on the inner wall of the air-cooling tower, and proposes a method for improving the crystallization deposition of metallurgical solution in the air-cooling process, especially to provide a method for crystallization of metallurgical solution flow film resistance droplets after air-cooling Deposition, and the method of resisting the deposition of grains in the metallurgical solution on the inner and outer walls of the tower

Method used

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  • Method for improving metallurgy solution crystallization deposition in air cooling course and air cooling column

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Embodiment 1

[0021] pass figure 1 It can be seen that the present invention is a method for improving crystal deposition of metallurgical solutions during air cooling. The method is to transport the metallurgical solution cooled by the air-cooling tower to the upper part of the air-cooling tower with a conveying device, and then flow down through the inner wall surface of the tower tube to form a liquid flow film covering the inner wall surface of the tower tube, so that the spraying The cooling liquid droplets on the inner wall of the tower can not directly fall on the outer wall of the tower itself, but fall into the liquid flow film on the inner wall surface of the tower, so as to prevent the crystallization of the droplets from depositing on the inner wall of the tower; at the same time, it can also cool the tower Ultrasonic irradiation is applied to the cooled metallurgical solution to refine the grains in the air-cooled metallurgical solution, and then transported to the upper part o...

Embodiment 2

[0025] figure 2 is another embodiment of the present invention. from figure 2 It can be seen that this is an ultrasonic air cooling tower 24 that improves the crystallization deposition of metallurgical solution during the air cooling process. The ultrasonic air cooling tower 24 includes a tower tube 11, a tower pool 18, a spray device 3, a dripping device 2, an air blast device 12 and a liquid flow film forming device 6, and the liquid flow film forming device 6 includes an ultrasonic Wave source device 23. The principle of embodiment two is the same as that of embodiment one, except that the metallurgical solution 19 after the air cooling is subjected to a frequency of 15-128kHz and a sound intensity of 0.5-50w / cm 2 After direct or isolated irradiation of ultrasonic waves, the delivery device 15 is transported to the circumferential liquid distribution device 7 through the pipeline 16, and then the circumferential liquid distribution device 7 is evenly distributed to th...

Embodiment 3

[0027] figure 1 For another embodiment of the present invention, the principle of embodiment three is the same as that of embodiment one, except that described metallurgical solution 4 becomes zinc sulfate solution 20, and the metallurgical solution outlet 17 after air cooling becomes zinc sulfate after air cooling Solution outlet 21, air-cooled metallurgical solution 19 becomes air-cooled zinc sulfate solution 22. The zinc sulfate solution air cooling tower is used in the hydrometallurgical production process of zinc, and can greatly improve the crystal deposition of the zinc sulfate solution 20 on the inner wall surface of the tower tube 11 during the air cooling process.

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Abstract

The invention relates to an air cooling tower and a method for improving the crystallization and the sedimentation of metallurgical solution during air cooling process. Metallurgical solution cooled by the air cooling tower is conveyed to the inner upper part of the air cooling tower by a conveyer and then downwards flows along the surface of the inner wall of a tower cylinder to form a liquid film covering the surface of the inner wall of the tower cylinder so that temperature reducing droplets sprayed to the inner wall of the tower cylinder fall into the liquid film on the surface of the inner wall of the tower cylinder but not directly fall to the surface of the tower cylinder so as to prevent droplets from crystallizing and being sedimentated on the inner wall of the tower cylinder; meanwhile, ultrasonic radiation can also be carried out on metallurgical solution cooled by the air cooling tower to refine crystal grains in the air-cooled metallurgical solution; the treated metallurgical solution is conveyed to the inner upper part of air cooling tower and downwards flows along the surface of the inner wall of the tower cylinder to form a liquid film with refined crystal grains, and the liquid film is covered on the surface of the inner wall of the tower cylinder to prevent crystal grains in the liquid film from being sedimentated on the surface of the inner wall of the tower cylinder.

Description

technical field [0001] The invention relates to a cooling method and device for a metallurgical solution, in particular to a method and a device for improving the crystal deposition of a metallurgical solution in an air cooling process, belonging to the technical field of air cooling. Background technique [0002] The cooling of the metallurgical solution in the metallurgical process is usually cooled by an air cooling tower (that is, an air cooling tower). During the cooling process of the air-cooling tower, certain material components in the metallurgical solution precipitate crystallization due to cooling, and the crystallization is deposited on the inner wall surface of the equipment, reducing the operating efficiency of the equipment. For example, the zinc sulfate solution produced in the wet zinc metallurgical purification process and the electrowinning process is also cooled by an air-cooling tower. The zinc sulfate solution is sprinkled from the top of the air-coolin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28C1/16F28C3/06C25C7/06C25D21/02
Inventor 曾兴民
Owner 佛山市兴民科技有限公司
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