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Acid-washing corrosion-inhibition fog inhibitor

A fog suppressing agent and corrosion inhibiting technology, applied in the field of fog suppressing agents, can solve the problems of unstable foam layer formation, unsuitable for industrial production, large amount of addition, etc., to alleviate acid mist odor, good corrosion inhibition effect, and foam formation good effect

Inactive Publication Date: 2013-04-24
TIANJIN JUNYITAI TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing products in the market have a large amount of addition, crystallization, and unstable foam layer formation, which are not suitable for the requirements of industrial production

Method used

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  • Acid-washing corrosion-inhibition fog inhibitor
  • Acid-washing corrosion-inhibition fog inhibitor
  • Acid-washing corrosion-inhibition fog inhibitor

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0035] The preparation method of fog suppressant, the steps are as follows:

[0036] 1. First dissolve the solid material and water;

[0037] Solid material: hexamethylenetetramine, sodium gluconate, oxalic acid, sodium lauryl sulfate, sodium dodecylbenzenesulfonate, sodium benzoate

[0038] 2. Then add the liquid material and stir;

[0039] Liquid material: fatty alcohol polyoxyethylene ether sulfate, octadecethoxyethylene ether, alkylphenol polyoxyethylene ether, penetrating agent

[0040] 3. Add additives and mix thoroughly;

[0041] Additives include: coconut oil fatty acid diethanolamide, foam stabilizer, essence, fatty alcohol polyoxyethylene ether, leveling agent

[0042] 4. After mixing evenly, let it stand for 4-8 hours;

[0043] 5. Discharge.

Embodiment 1

[0045] A pickling anti-corrosion anti-fog agent, comprising the following components and weight percentages:

[0046]

[0047]

[0048] The preparation method of fog suppressant, the steps are as follows:

[0049] 1. First dissolve the solid material and water;

[0050] Solid material: hexamethylenetetramine, sodium gluconate, oxalic acid, sodium lauryl sulfate, sodium dodecylbenzenesulfonate, sodium benzoate;

[0051] 2. Then add the liquid material and stir;

[0052] Liquid material: fatty alcohol polyoxyethylene ether sulfate, octadecyl polyoxyethylene ether, alkylphenol polyoxyethylene ether, penetrating agent;

[0053] 3. Add additives and mix thoroughly;

[0054] Additives include: coconut oil fatty acid diethanolamide, foam stabilizer, essence, fatty alcohol polyoxyethylene ether, leveling agent;

[0055] 4. After mixing evenly, let it stand for 4-8 hours;

[0056] 5. Discharge.

Embodiment 2

[0058] A pickling anti-corrosion anti-fog agent, comprising the following components and weight percentages:

[0059]

[0060]

[0061] The preparation method is the same as in Example 1.

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Abstract

The invention relates to an acid-washing corrosion-inhibition fog inhibitor, which achieves an effect of corrosion inhibition by using combination of methenamine, sodium gluconate and oxalic acid, prevents a steel base body from being subjected to acid corrosion and avoids an over-pickling phenomenon. In the acid-washing corrosion-inhibition fog inhibitor provided by the invention, foam can be generated by combination of dodecyl sodium sulfate, sodium dodecyl benzene sulfonate and AES (Sodium Alcohol Ether Sulphate) in the ingredients; and by using octadecyl polyoxyethylene ether, alkylphenolpolyoxyethylene ether, a penetrant, a leveling agent, fatty alcohol-polyoxyethylene ether, cocoanut fatty acid diethanolamide and a foam stabilizer in the ingredients, the form is promoted to be formed and time for forming the foam can be stabilized. The fog inhibitor prepared by the invention has the advantage of obvious acid fog inhibition effects with a fog inhibition rate of more than 80%, thereby obviously improving work condition of a production workshop and reducing damages to plants, equipment, workers and surrounding conditions of the acid fog.

Description

technical field [0001] The invention belongs to the field of fog inhibitors, in particular to a pickling corrosion inhibitor and fog inhibitor. Background technique [0002] With the development of metallurgical technology, the trend of replacing sulfuric acid pickling with hydrochloric acid pickling in the pickling process is becoming more and more obvious, which makes the research on hydrochloric acid corrosion and fog inhibitors more and more in-depth. Existing products on the market have large additions, crystallization, and unstable foam layer formation, which are not suitable for industrial production requirements. [0003] According to the search, the following patents related to fog inhibitors are found, wherein CN101851761A discloses a sulfuric acid pickling corrosion inhibitor and fog inhibitor, which includes an inhibitor, a complexing agent and a wetting agent, and the weight percentages of each component are as follows: a, inhibitor : Di-o-toluenethiourea 6%-10...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G1/06
Inventor 陈佳冬
Owner TIANJIN JUNYITAI TECH DEV CO LTD
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