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Galvanizing metal detergent

A metal cleaning agent and cleaning agent technology, applied in the field of cleaning agents, can solve the problems of increased energy consumption of equipment, unusability, high corrosion rate of metal coating, etc., and achieve the effect of small corrosion rate and moderate descaling time

Inactive Publication Date: 2007-12-05
芜湖慧安水处理科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the expansion of the scope of use of galvanized and galvanized aluminum alloy metal, equipment made of galvanized steel is becoming more and more common. The galvanized galvanized aluminum alloy metal includes steel and iron. During the operation of the above equipment , it is easy to produce hard scale and corrosive products on the metal coating, which will affect the normal operation of the equipment and increase the energy consumption of the equipment
Commonly used cleaning agents are acid solutions such as hydrochloric acid or sulfuric acid solutions, or acid solutions with corrosion inhibitors added. During the cleaning process, the acid solution has a high corrosion rate on the metal coating and cannot be used for electroplated metals with thin galvanized layers.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Add EDTA-2Na and o-phenanthroline into water and stir until completely dissolved. The weight ratio of EDTA-2Na, o-phenanthroline and water is 3:0.005:100;

Embodiment 2

[0017] Add EDTA-2K and o-phenanthroline into water and stir until completely dissolved. The weight ratio of EDTA-2Na, o-phenanthroline and water is 4:0.01:100;

Embodiment 3

[0019] Add EDTA-2Na and o-phenanthroline into water and stir until completely dissolved. The weight ratio of EDTA-2Na and water is 7:0.03:100;

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PUM

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Abstract

The present invention discloses one kind of galvanized metal detergent, which consists of organic complexing agent, o-phenanthroline and water in weight ratio of 3-10 to 0.005-0.04 to 100. Compared with available technology, the present invention has the features of less corrosion on the galvanizing coating, moderate cleaning period and capacity of recovering and reusing the main detergent.

Description

Technical field: [0001] The invention belongs to the technical field of cleaning agents, in particular to the technical field of cleaning agents for galvanized metals. Background technique: [0002] With the expansion of the scope of use of galvanized and galvanized aluminum alloy metal, equipment made of galvanized steel is becoming more and more common. The galvanized galvanized aluminum alloy metal includes steel and iron. During the operation of the above equipment , It is easy to produce hard scale and corrosive products on the metal coating, which will affect the normal operation of the equipment and increase the energy consumption of the equipment. Commonly used cleaning agents are acid solutions such as hydrochloric acid or sulfuric acid solutions, or acid solutions with corrosion inhibitors added. During the cleaning process, acid solutions have a high corrosion rate on metal coatings and cannot be used for electroplated metals with thin galvanized layers. Inventi...

Claims

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Application Information

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IPC IPC(8): C23G5/02
Inventor 赵小宝杨志慧
Owner 芜湖慧安水处理科技有限公司
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