Filtering equipment for electrolyte and filtering method thereof

A technology of filtration equipment and filtration method, applied in the field of filtration, can solve problems such as difficult removal, and achieve the effects of reducing labor intensity, simple control, and ingenious design

Inactive Publication Date: 2012-04-25
梅州市梅县区金象铜箔有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The electrolyte enters the filter directly through the inlet of the filtrate for filtration, and ordinary filters such as ordinary filter cloth, activated carbon, and ion exchange resin are used, and these products obtained from the decomposition of thiourea are difficult to completely remove

Method used

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  • Filtering equipment for electrolyte and filtering method thereof
  • Filtering equipment for electrolyte and filtering method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] see figure 1 , a filter equipment for electrolyte, filter 1, filtrate inlet pipe 4 and filtrate outlet pipe 5, a circulation pipeline is connected between the filtrate inlet pipe 4 and filtrate outlet pipe 5 of filter 1, and in the circulation pipeline The diatomite solution storage tank 2 and the circulation pump 3 are connected in the middle, the circulation pump 3 is connected between the diatomite solution storage tank 2 and the filtrate inlet pipe 4, and the circulation pipe between the circulation pump 3 and the filtrate inlet pipe 4 is connected. There is a material discharge control valve K2, and a return material control valve K3 is connected to the circulation pipeline between the diatomite solution storage tank 2 and the filtrate outlet pipe 5. Among them, filter 1 selects a filter bag filter with a pore size of 20 microns.

[0027] Using the filtration method of the filtration equipment, check the filter circulation system before coating. The filtrate inlet...

Embodiment 2

[0029] The equipment used in this example is the same as that of Example 1, the only difference is that filter 1 is a filter element with a pore size of 20 microns; using the filtration method of this filter equipment, check the filter circulation system before coating, and the filtrate inlet pipe 4 The circulation with the filtrate outlet pipe 5 is normal, and it is in a positive pressure state. Close the discharge control valve K2 and the return control valve K3. During filtration, first add 200Kg 100 mesh diatomite and 2000L water to the diatomite solution storage tank 2, After mixing, the mixed solution A is obtained, and the return control valve K3 is opened to put the mixed solution A into the diatomite solution storage tank 2 to 1 / 2, the discharge control valve K2 is opened, and the circulating pump 3 is started at the same time to make the mixed solution A. Circulating flow with filter 1 in diatomite solution storage tank 2 at a speed of 2.2Kg / min, coating filter 1 with...

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Abstract

The invention discloses filtering equipment for electrolyte and a filtering method thereof, which belongs to the field of filtration technology. The invention aims to provide a filtering method which has high filtration accuracy and is simple to control. According to the invention, the filtering equipment comprises a filter, a filtrate inlet pipe and a filtrate outlet pipe, the filter is connected with a circulation pipeline, and a diatomite solution storage tank and a circulating pump are connected with the circulation pipeline; during filtering, 100-mesh diatomite and water are added into the storage tank and uniformly mixed to obtained mixed liquor A which is pumped into the filter through the circulating pump and coated over the surface of the filter; then, 500-mesh diatomite and water are added into the storage tank and uniformly mixed to obtained mixed liquor B which is pumped into the filter through the circulating pump and coated over the surface of the filter; finally, electrolyte to be filtered is allowed to enter into the filter for filtration. The invention is applicable to filtration and purification of electrolyte.

Description

technical field [0001] The invention discloses an electrolyte filtration equipment, and the invention also discloses a filtration method when the equipment is used. Specifically, it is a filtration method of electrolyte in the process of copper foil production, which belongs to the technical field of filtration. Background technique [0002] In the field of copper electrodeposition and electroforming, the electrolytic by-products and impurities usually remaining in the copper electrolyte will greatly affect the physical properties of the electrodeposited products obtained by electrolysis, such as causing the surface of electrolytic copper to form grains, grow bumps, The quality of the product is seriously affected, and due to the deterioration of the physical specifications of the anode surface, the short-circuit of the cathode and anode is serious, which greatly reduces the current efficiency and increases the power consumption. Therefore, in the manufacturing stage of the e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D35/00B01D37/02
Inventor 叶敬敏李建伟王祟华付文峰吴红兵
Owner 梅州市梅县区金象铜箔有限公司
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