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Electrophoresis paint-plate-type hyperfiltration recovery method and plate-type hyperfiltration membrane assembly

A recycling method and ultrafiltration membrane technology, applied in ultrafiltration, electrophoretic plating, chemical instruments and methods, etc., can solve the problems of large loss of electrophoretic paint, increased equipment, and troublesome operation, so as to achieve long life of membrane tube and avoid waste. , the effect of easy cleaning

Inactive Publication Date: 2009-03-18
武汉科利尔立胜工业研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method requires additional equipment, and the loss of electrophoretic paint is relatively large, and the operation is more troublesome.

Method used

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  • Electrophoresis paint-plate-type hyperfiltration recovery method and plate-type hyperfiltration membrane assembly
  • Electrophoresis paint-plate-type hyperfiltration recovery method and plate-type hyperfiltration membrane assembly
  • Electrophoresis paint-plate-type hyperfiltration recovery method and plate-type hyperfiltration membrane assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as Figure 5 shown.

[0031] 1 Put the plate ultrafiltration membrane assembly into the bottom of the electrophoresis tank;

[0032] 2 Use a self-priming pump for suction filtration recovery;

[0033] 3 The ultrafiltrate filtered out can be used for flushing and spraying in the ultrafiltrate cleaning tank, can be discharged directly, and can also be used for back water and pre-washing in front of the front tank.

Embodiment 2

[0035] Such as Figure 6 As shown, 1 put the plate type ultrafiltration membrane assembly into the side wall of the electrophoresis tank; other steps are the same as in embodiment 1.

Embodiment 3

[0037] Such as Figure 7 As shown, 1 put the plate ultrafiltration membrane module into the side wall of the electrophoresis sub-tank;

[0038] 2 Use a self-priming pump for suction filtration recovery;

[0039] 3 The ultrafiltrate filtered out can be used for flushing and spraying in the ultrafiltrate cleaning tank, can be discharged directly, and can also be used for back water and pre-washing in front of the front tank.

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Abstract

The invention relates to an ultra-filter recycle method in electrophoresis plating method, and relative plate ultra-fiber membrane element. The invention comprises a plurality of water tube fixed on a porous plate with uniform distributed liquid inlet holes, wherein the water tubes are parallel arranged with ultra-filter membrane tubes communicating two water tubes, while one water tube is connected with a self-adsorption pump. The invention fixes an ultra-filter membrane tube in an electrophoresis groove, and uses a self-adsorption pump to filter and recycle electrophoresis paint. The invention can directly arrange plate ultra-filter membrane element into the electrophoresis groove and use pump filter method to ultra-filter electrophoresis paint, to save cost, avoid cracking tube and prolong the service life of membrane tube.

Description

technical field [0001] The invention relates to a technical method for ultrafiltration concentration recovery of electrophoretic paint solution in the technical field of electrophoretic coating, in particular to a method for recovery of electrophoretic paint plate ultrafiltration and a plate ultrafiltration membrane module. Background technique [0002] Since the development and industrial application of electrophoretic coating technology in the 1960s, its excellent characteristics, water-based environmental protection, high corrosion resistance, high penetration rate, high coulombic efficiency, insoluble coating, stable bath, With the advantages of high degree of automation, it has been widely used in the automobile industry, motorcycle industry, household appliances, instruments, military industry, building materials, decorative hardware, light industry, daily use and other industries. It has gradually replaced the conventional surface coating technology and has become the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D61/18B01D63/02C25D13/24
Inventor 李再亮
Owner 武汉科利尔立胜工业研究院有限公司