High-purity indium preparation device

A preparation device and high-purity technology, which are applied to the improvement of process efficiency, photography process, instruments, etc., can solve the problems of high process control difficulty, harsh production environment, large fluctuation of product quality, etc., and achieve clean air and stable product quality. Effect

Inactive Publication Date: 2019-11-12
YINTAI SCI & TECH HIGH TECH ZONE LIUZHOU CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a high-purity indium preparation device, which can solve the problems in the prior art that the production process control is difficult, the product quality fluctuates greatly, the production environment is harsh, and it is impossible to produce qualified and stable products.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] figure 1 The high-purity indium preparation device shown includes an electrolytic cell support 2, six electrolytic cells 3 are arranged on the electrolytic cell support 2, and an electrolytic circulation system 4 is provided at one end of the electrolytic cell 3, and the electrolytic circulation system 4 is connected to the electrolytic cell 3 , the electrolytic circulation system 4 is equipped with PH detection sensors 4-7; the other end of the electrolytic cell 3 is equipped with an electrical control and monitoring system 6 and a power supply unit 1, and the power supply unit 1 is an IGBT DC power supply with constant voltage / constant current dual mode Output and remote intelligent control functions, control and display accuracy ≥ 0.1V / A; electrical control and monitoring system 6 and power supply unit 1 are electrically connected to the electrolytic cell 3, and a gas collection unit 5 is arranged above the electrolytic cell 3.

[0018] The electrolytic circulation s...

Embodiment 2

[0028] In this embodiment, the power supply unit 1 is a silicon rectified DC power supply, and the circulation mode of the electrolytic circulation system 4 is the up-in and down-out type. In this mode, the flow direction of a part of the electrolyte is consistent with the sedimentation direction of impurities such as anode slime, which is beneficial to the sedimentation of the anode slime. Prevent the anode slime from adhering to the cathode, and the temperature distribution of the electrolyte is relatively uniform, which is beneficial to reduce the impact of suspended impurities in the electrolyte on the quality of the cathode product. Part of the electrolyte flows in parallel from the top of the electrolytic cell 3, and the floating objects on the surface of the electrolyte are taken out of the cell in time, which is beneficial to the self-cleaning of the electrolyte. All the other working principles are the same as in Embodiment 1.

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Abstract

The invention discloses a high-purity indium preparation device, and relates to the technical field of nonferrous metallurgy. The high-purity indium preparation device comprises an electrolytic cell support, and multiple electrolytic cells are arranged on the electrolytic cell support. An electrolytic circulating system is arranged at one end of the electrolytic cells, and connected with the electrolytic cells. The electrolytic circulating system is provided with a PH detecting sensor. An electrical control and monitoring system and a power unit are arranged at the other end of the electrolytic cells. The power source unit is any one of an IGBT direct-current power source and a silicon rectifier direct-current power source, and has the functions of constant-voltage/constant-current dual-mode output, remote intelligent control and the like, and the control and display precision is larger than or equal to 0.1 V/A. The electrical control and monitoring system and the power source unit areboth electrically connected with the electrolytic cells. A gas collecting unit is arranged above the electrolytic cells. According to the high-purity indium preparation device, the problem that in the prior art, the production process technical control difficulty is high, the product quality fluctuates greatly, the production environment is harsh, and qualified and stable products cannot be produced can be solved.

Description

technical field [0001] The invention relates to the technical field of nonferrous metal metallurgy, in particular to a device for preparing high-purity indium by electrolysis. Background technique [0002] Indium is a very important strategic scattered metal. It is an important basic material for the preparation of compound semiconductors such as ITO, copper indium gallium selenide, indium antimonide, indium phosphide, and indium arsenide. It is widely used in military industry, aerospace, flat-panel display, Photoelectric information, solar cells and other fields belong to one of the rare metal functional new materials that are focused on the development of the country's "Made in China 2025". With the development of science and technology, the requirements for product purity continue to increase. From the initial 4N-4N5 to the current 5N, 6N, and even more than 7N, the original indium electrolysis production equipment has poor equipment, extensive equipment parameters, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C1/22C25C7/00C25C7/06
CPCC25C1/22C25C7/00C25C7/06Y02P10/20
Inventor 李公权
Owner YINTAI SCI & TECH HIGH TECH ZONE LIUZHOU CITY
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