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Zinc sulfate purification system based on high-temperature and high-pressure zinc powder

A purification system, high temperature and high pressure technology, applied to the improvement of process efficiency, etc., can solve the problem of low purification efficiency

Active Publication Date: 2021-11-09
广西埃索凯循环科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the system improves the purification efficiency by controlling the acidity and alkalinity, and the purification efficiency is low compared with the purification with high temperature and high pressure zinc powder;

Method used

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  • Zinc sulfate purification system based on high-temperature and high-pressure zinc powder
  • Zinc sulfate purification system based on high-temperature and high-pressure zinc powder
  • Zinc sulfate purification system based on high-temperature and high-pressure zinc powder

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Effect test

Embodiment 1

[0035] This embodiment provides a zinc sulfate purification system based on high temperature and high pressure zinc powder, including a zinc powder heating device, a zinc powder spraying device and a purification container, the zinc powder heating device is used to heat the zinc powder to a fixed temperature, the The zinc powder injection device is used to assemble high-temperature zinc powder into a high-pressure zinc powder bomb and spray the zinc powder bomb into the zinc sulfate solution in the purification container, and the purification container is used to absorb the heat generated by the reaction of zinc powder and zinc sulfate solution Keep the zinc sulfate solution at a fixed temperature;

[0036] The purification container contains a container body, a phase change material lining and a temperature regulating rod, the container body is used to carry zinc sulfate liquid, the two ends of the temperature regulating rod are connected to the phase change material lining, t...

Embodiment 2

[0054] This embodiment includes all the content of the above embodiments, combined with figure 1 , the present embodiment provides a zinc sulfate purification system based on high-temperature and high-pressure zinc powder, including a zinc powder injection device, a zinc powder heating device and a purification container, and the zinc powder heating device injects the zinc powder into the zinc powder injection after heating the zinc powder In the device, the zinc powder injection device wraps the high-temperature zinc powder with a layer of high-pressure inert gas to form a zinc powder bomb, and sprays the zinc powder bomb into the zinc sulfate solution in the purification container, and the purification container It is used to store the zinc sulfate solution and provide a temperature-stable environment, so that the zinc powder in the zinc powder bomb can quickly react with the zinc sulfate solution to replace other metal impurities;

[0055] The purge vessel includes a main b...

Embodiment 3

[0071] This embodiment includes all the contents of the above-mentioned embodiments. The control module of this embodiment is used to control the blocking plate of the injection pipe, the valve below the metering pipe, the valve of the drive assembly and the piston of the drive assembly. For the convenience of control , the valve below the metering tube is also arranged on the zinc powder spraying device, and the control module controls the amount of zinc powder sprayed into the zinc sulfate solution each time and two adjacent sprays of zinc powder by controlling the above-mentioned components. The time interval between bombs makes the zinc powder bomb sprayed each time have the most efficient purification effect;

[0072] The total zinc powder volume V required to purify the zinc sulfate solution 总 for:

[0073]

[0074] Among them, V y is the volume of zinc sulfate solution in the purification container, m z is the impurity mass in the unit zinc sulfate solution, ρ Zn...

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Abstract

The invention provides a zinc sulfate purification system based on high-temperature and high-pressure zinc powder, which is characterized by comprising a zinc powder heating device, a zinc powder spraying device and a purification container, the zinc powder heating device is used for heating zinc powder to a fixed temperature, the zinc powder spraying device is used for assembling high-temperature zinc powder into a high-pressure zinc powder bomb and spraying the zinc powder bomb into a zinc sulfate solution in a purification container, and the purification container is used for absorbing heat generated by reaction of the zinc powder and the zinc sulfate solution to enable the zinc sulfate solution to be always kept at a fixed temperature. By controlling the amount of the zinc powder contained in the zinc powder bomb every time and the time interval of launching the zinc powder bomb, the reaction of the zinc powder and the zinc sulfate solution is always in a proper reaction environment, so that the purification efficiency is improved, and the use cost of the zinc powder is reduced.

Description

technical field [0001] The invention relates to the technical field of production control, in particular to a zinc sulfate purification system based on high-temperature and high-pressure zinc powder. Background technique [0002] The zinc sulfate purification method commonly used to remove the impurity metal ions in the zinc sulfate solution is through the replacement reaction between zinc powder and zinc sulfate solution. However, existing studies have shown that high temperature and high pressure zinc powder can improve the purification efficiency, but the zinc powder is in the replacement reaction. Heat will be generated during the process, and the heat of the high-temperature zinc powder itself will increase the temperature of the zinc sulfate liquid, and the reduction in the temperature difference between the zinc sulfate liquid and the zinc powder will weaken the purification efficiency. Therefore, how to control the reaction between the zinc sulfate solution and the zi...

Claims

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Application Information

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IPC IPC(8): C22B3/02C22B3/46C22B19/20
CPCC22B3/02C22B3/46C22B19/26Y02P10/20
Inventor 刘文武肖宏赵思思梁余威胡宇晨梁昌良刘伟曾英成黄秀华李庭波唐兴桂
Owner 广西埃索凯循环科技有限公司
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