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Environment-friendly cleaning agent for galvanized metal part

A cleaning agent and environmentally friendly technology, applied in the field of metal galvanized parts cleaning agent, can solve problems such as corrosion of factory buildings, equipment, pipes, pungent odor, environmental hazards, etc., and achieve the effect of reducing emissions

Inactive Publication Date: 2014-02-19
SUZHOU YIFANG METAL SURFACE TREATMENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing galvanizing industry, the cleaning process is generally soaked with strong acid and strong alkali to degrease and degrease, and then washed with high-pressure water. The entire cleaning process uses a large amount of strong acids such as hydrochloric acid, sulfuric acid, and hydrofluoric acid. Heating to 65°C will make the work room full of acid mist and pungent smell, which will cause great damage to the operator's body; acid gas will also corrode factory buildings, equipment, and pipelines; waste acid will bring great harm to the surrounding environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of environment-friendly cleaning agent for galvanized metal parts, its components and respective weight percentages are:

[0035] Fatty alcohol polyoxyethylene ether 15%;

[0036] Alkylphenol polyoxyethylene ether 5%;

[0037] Tartaric acid 2%;

[0038] Oxalic acid 16%;

[0039] Citric acid 3%;

[0040] Tolylthiourea 10%;

[0041] Water 49%.

[0042] After all the ingredients are added, stir for another 20 to 30 minutes to get the finished product.

[0043] When using this cleaning solution to clean metal galvanized parts, it is only necessary to immerse the metal galvanized parts in the cleaning solution for cleaning. After the descaling reaction reaches the required level, take it out for rinsing and drying.

[0044] The cleaning solution can be used and added repeatedly to reduce emissions; it does not need to be heated, has no irritating smell, and has no pollution to the environment.

Embodiment 2

[0046] A kind of environment-friendly cleaning agent for galvanized metal parts, its components and respective weight percentages are:

[0047] JFC permeate 14%;

[0048] OP-10 emulsion 7%;

[0049] Tartaric acid 1%;

[0050] Oxalic acid 20%;

[0051] Citric acid 2%;

[0052] Sodium nitrite 9%;

[0053] Water 47%.

[0054] After all the ingredients are added, stir for another 20 to 30 minutes to get the finished product.

Embodiment 3

[0056] A kind of environment-friendly cleaning agent for galvanized metal parts, its components and respective weight percentages are:

[0057] JFC permeate 16%;

[0058] OP-10 emulsion 4%;

[0059] Tartaric acid 3%;

[0060] Oxalic acid 14%;

[0061] Citric acid 3%;

[0062] Thiourea 11%;

[0063] Water 49%.

[0064] After all the ingredients are added, stir for another 20 to 30 minutes to get the finished product.

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PUM

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Abstract

The invention relates to a cleaning agent for galvanized metal parts. The cleaning agent comprises the following components by weight: 12%-18% of fatty alcohol polyoxyethylene ether, 4%-8% of alkylphenol polyoxyethylene, 1%-5% of tartaric acid, 14%-20% of oxalic acid, 2%-4% of citric acid, 7%-13% of a corrosion inhibitor and 45%-55% of water. The cleaning agent provided by the invention does not require heating for cleaning the galvanized metal parts, can be used repeatedly at room temperature and does not cause irritating smell, so as to reduce emissions; and the cleaning agent does not to hurt the environment, equipment or occupational health of operation personnel, and is green and environment-friendly.

Description

technical field [0001] The invention relates to the field of metal cleaning liquids, in particular to a cleaning agent for metal galvanized parts. Background technique [0002] In the existing galvanizing industry, the cleaning process is generally soaked with strong acid and strong alkali to degrease and degrease, and then washed with high-pressure water. The entire cleaning process uses a large amount of strong acids such as hydrochloric acid, sulfuric acid, and hydrofluoric acid. Heating to 65°C will make the work room full of acid mist and pungent smell, which will cause great damage to the operator's body; acid gas will also corrode factory buildings, equipment, and pipelines; waste acid will bring great harm to the surrounding environment . Contents of the invention [0003] The purpose of the present invention is to provide an environmentally friendly cleaning agent for metal galvanized parts, which can be used at normal temperature without heating, has no irritati...

Claims

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Application Information

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IPC IPC(8): C23G1/04C23G1/10
Inventor 杨细龙
Owner SUZHOU YIFANG METAL SURFACE TREATMENT TECH
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