Electrolytic additive formula for improving zinc sulfate solution electrolyzed zinc quality and production environment and application method

A technology of zinc sulfate solution and production environment, which is applied in the direction of electrolysis process, electrolysis components, process efficiency improvement, etc. It can solve the problems of high lead and iron content, poor quality of electrolytic zinc in zinc sulfate solution, and low recovery rate of ingots. Achieve the effects of reducing lead content, improving the quality and production environment of electrolytic zinc in zinc sulfate solution, and improving the electrolytic environment

Inactive Publication Date: 2018-03-30
四川四环锌锗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above-mentioned deficiencies in the prior art, the first purpose of the present invention is to provide a kind of electrolysis additive formula that improves zinc sulfate solution electrolytic zinc quality and production environment, adopts this formula to be able to solve the zinc sulfate solution electrolysis produced by cobalt removal agent The technical problems of poor zinc quality, high lead and iron content, and low ingot recovery rate; at the same time, improving the site environment and reducing environmental pollution

Method used

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  • Electrolytic additive formula for improving zinc sulfate solution electrolyzed zinc quality and production environment and application method
  • Electrolytic additive formula for improving zinc sulfate solution electrolyzed zinc quality and production environment and application method

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Embodiment 1

[0028] This embodiment provides a method for improving the quality of electrolytic zinc in zinc sulfate solution and the use of electrolytic additives in the production environment, including:

[0029] Adopt zinc sulfate solution as electrolyte, wherein, electrolyte comprises new liquid and waste liquid; Wherein, the acid concentration of new liquid is 165g / L, the zinc concentration of new liquid is 52g / L; The acid concentration of waste liquid is 168g / L , the zinc concentration of the waste liquid is 50g / L; the lead-silver alloy plate is used as the anode plate, the rolled aluminum plate is used as the cathode plate, and the current density during electrolysis is controlled to be 380A / m 2 , the temperature during electrolysis is controlled to be 36°C;

[0030]When the density of zinc on the rolled aluminum plate decreases, add bone glue solution 2kg / cycle to the electrolyte; prepare polyacrylamide solution with polyacrylamide, polyethylene glycol, and sodium methylene dinapht...

Embodiment 2

[0032] This embodiment provides a method for improving the quality of electrolytic zinc in zinc sulfate solution and the use of electrolytic additives in the production environment, including:

[0033] Adopt zinc sulfate solution as electrolyte, wherein, electrolyte comprises new liquid and waste liquid; Wherein, the acid concentration of new liquid is 165g / L, the zinc concentration of new liquid is 52g / L; The acid concentration of waste liquid is 168g / L , the zinc concentration of the waste liquid is 50g / L; the lead-silver alloy plate is used as the anode plate, the rolled aluminum plate is used as the cathode plate, and the current density during electrolysis is controlled to be 380A / m 2 , the temperature during electrolysis is controlled to be 36°C;

[0034] When the density of zinc on the rolled aluminum plate decreases, add bone glue solution 3kg / cycle to the electrolyte; prepare polyacrylamide solution with polyacrylamide, polyethylene glycol, and sodium methylene dinaph...

Embodiment 3

[0036] This embodiment provides a method for improving the quality of electrolytic zinc in zinc sulfate solution and the use of electrolytic additives in the production environment, including:

[0037] Adopt zinc sulfate solution as electrolyte, wherein, electrolyte comprises new liquid and waste liquid; Wherein, the acid concentration of new liquid is 165g / L, the zinc concentration of new liquid is 52g / L; The acid concentration of waste liquid is 168g / L , the zinc concentration of the waste liquid is 50g / L; the lead-silver alloy plate is used as the anode plate, the rolled aluminum plate is used as the cathode plate, and the current density during electrolysis is controlled to be 380A / m 2 , the temperature during electrolysis is controlled to be 36°C;

[0038] When the density of zinc on the rolled aluminum plate decreases, add bone glue solution 2.5kg / cycle to the electrolyte; polyacrylamide, polyethylene glycol, and sodium methylene dinaphthalene sulfonate are formulated in...

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Abstract

The invention belongs to the technical field of electrolytic zinc optimization, and provides an electrolytic additive formula for improving zinc sulfate solution electrolyzed zinc quality and the production environment and an application method. The method comprises the steps that a zinc sulfate solution is adopted as an electrolyte, a lead-silver alloy plate is used as an anode plate, and a calendered aluminum plate is used as a cathode plate; when the density of zinc on the calendered aluminum plate is reduced, a bone glue solution is added into the electrolyte; and polyacrylamide, polyethylene glycol, sodium methylene dinnaphthalene sulfonate are prepared to be a polyacrylamide solution, a polyethylene glycol solution and a sodium methylene dinnaphthalene sulfonate solution respectively, and the prepared solutions are added into the electrolyte correspondingly. By adopting the formula, the technical problems that the zinc sulfate solution electrolyzed zinc produced by a common cobalt removal process adopting reagents is poor in quality, high in lead and iron content and low in ingot casting recovery rate are solved; meanwhile, the field environment is improved, and the environment pollution is reduced; and adverse factors influencing the quality of zinc electrolyzing and electric energy consumption in the electrolysis operation can be eliminated by adopting the using method,so that the quality of the electrolytic zinc and the operating environment are greatly improved.

Description

technical field [0001] The invention belongs to the technical field of electrolytic zinc optimization, and in particular relates to an electrolytic additive formula and a use method for improving the electrolytic zinc quality and production environment of a zinc sulfate solution. Background technique [0002] With the development of industrial technology, the requirements for the quality and working environment of electrolytic zinc are getting higher and higher. In the hydrolytic zinc smelting system, the electrolysis process is the main energy-consuming unit, and the quality of electrolytic zinc directly affects the production cost of the electrolytic zinc plant; and due to the nature of the electrolytic zinc electrolysis operation, oxygen escapes from the electrolyte, which will produce acid mist , causing environmental pollution. [0003] In the prior art, the above-mentioned problems are generally improved by adding additives to the electrolyte, usually using the additi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C1/16C25C7/06
CPCC25C1/16C25C7/06Y02P10/20
Inventor 甑勇杜敏代立建马杰
Owner 四川四环锌锗科技有限公司
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