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Negative polar plate needle-spraying counter-flow cleaning device in subsequent electrolysis working section of electrolytic zinc

A technology of countercurrent cleaning and electrolysis of zinc, applied in the electrolysis process, electrolysis components, photography process and other directions, can solve the problem of large amount of heavy metal wastewater, reduce the amount of clean water, improve the washing efficiency, and realize the effect of multiple recycling.

Active Publication Date: 2014-05-07
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the various processes of the electrolysis follow-up section of the electrolytic zinc industry in my country generally adopt manual operation, and the manual operation is random, resulting in a large amount of heavy metal wastewater

Method used

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  • Negative polar plate needle-spraying counter-flow cleaning device in subsequent electrolysis working section of electrolytic zinc
  • Negative polar plate needle-spraying counter-flow cleaning device in subsequent electrolysis working section of electrolytic zinc

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Embodiment Construction

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0022] A needle-spray countercurrent cleaning device for cathode plates in the follow-up section of electrolytic zinc electrolysis, such as figure 1 , figure 2 As shown, it includes a conveyor chain 1, a pole plate 2, a circulating water washing assembly, a clear water washing assembly and a row brush 9, the pole plate 2 is connected to the conveying chain 1, and the circulating water washing assembly is connected to the clear water washing assembly connected, the clean water washing assembly is connected to the pole plate 2, and the row brush 9 is installed on the circulating water washing assembly. The transmission chain 1 is a power transmission mechanism for the pole plate 2, and the pole plate 2 is suspended ...

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Abstract

The invention relates to a negative polar plate needle-spraying counter-flow washing device in a subsequent electrolysis working section of electrolytic zinc. The device comprises a conveying chain, a polar plate, a circulating washing assembly, a clean water washing assembly and a row brush, wherein the polar plate is connected with the conveying chain; the circulating washing assembly is connected with the clean water washing assembly; the row brush is mounted on the circulating washing assembly. According to the negative polar plate needle-spraying counter-flow washing device disclosed by the invention, the use period of plate washing wastewater in an electrolytic zinc workshop can be obviously prolonged, so that the generation amount of heavy metal wastewater is greatly reduced, the clean water consumption is reduced, and the potential safety hazard caused by the conventional large-tonnage plate immersion working procedure and high-concentration heavy metal wastewater is avoided; due to water balance, recycling of the heavy metal wastewater is realized.

Description

technical field [0001] The invention relates to a needle-spray countercurrent cleaning device for a cathode plate in the subsequent section of electrolytic zinc electrolysis, which belongs to the field of electrolytic zinc in the hydrometallurgical industry. Background technique [0002] At present, the various processes in the electrolysis follow-up section of the electrolytic zinc industry in my country generally adopt manual operation, and the manual operation is random, resulting in a large amount of heavy metal wastewater. After the electrolytic zinc is manually removed from the tank, soak the cathode plate in a large-capacity hot water tank (22-30 cubic meters) to remove the zinc sulfate crystals on the top of the cathode plate and clean the electrolyte on the surface of the cathode plate (which contains a large amount of zinc, cadmium, lead, copper, iron and high-concentration sulfuric acid), when the concentration of zinc sulfate and other heavy metal ions and sulfur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C7/08C23G3/00C25C1/16
CPCY02P10/20
Inventor 段宁降林华徐夫元刘叶楠文玉成陆大玮李志强张歌周超阳建平但智钢韩桂梅
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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