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Preparation and application of special cleaner for textile printing and dyeing machinery

A textile printing and dyeing and cleaning agent technology, applied in the field of cleaning agents, can solve the problems of silicate scale powerlessness, enterprise loss, and easily damaged equipment, etc., to achieve the effects of ensuring equipment safety, enhancing activity coefficient, and improving descaling ability

Inactive Publication Date: 2019-05-21
张晶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the poor solubility of the sulfate salt produced by sulfuric acid descaling, the descaling effect is not ideal when sulfuric acid is used alone
[0004] Acetic acid is an oxygen-containing acid widely used in the chemical cleaning process. It has the characteristics of low cost, simple operation, fast scale dissolution and good surface condition of equipment after cleaning. It can chemically react with calcium and magnesium salts at room temperature to form soluble Chloride, but ineffective against silicate scale
[0005] Most of the existing cleaning agents can only remove light dirt, and the descaling effect on heavy dirt is not ideal
The traditional method can only use manual methods such as beating and scraping to remove heavy dirt, which is not only time-consuming and laborious, but also easily damages the equipment and causes losses to the enterprise

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A kind of concrete mortar dirt cleaning agent of the present embodiment, calculated in parts by weight, formula is:

[0041] 5 parts of sulfuric acid, 1 part of potassium roseate, 2 parts of acetic acid, 4 parts of nitric acid, 2 parts of ferric chloride, 0.8 part of penetrant, 0.2 part of corrosion inhibitor, 0.5 part of aniline, 0.1 part of emulsifier, 150 parts of water;

[0042] Wherein, the mass fraction of sulfuric acid is 6%, the mass fraction of nitric acid is 4%, the mass fraction of acetic acid is 37% (commercially available product), the mass fraction of phosphoric acid is 85% (commercially available product).

[0043] The preparation method of above-mentioned concrete mortar dirt cleaning agent comprises:

[0044] (1) According to the preset mass percentage, mix the penetrant, potassium rosinate, aniline and part of water to obtain solution I;

[0045] (2) According to the preset mass percentage, add oxyacid to solution I to obtain solution II;

[0046] (3...

Embodiment 2

[0050] A kind of concrete mortar dirt cleaning agent of the present embodiment, by mass percentage, its formula is:

[0051] 12 parts of sulfuric acid, 0.2 parts of potassium roseate, 4 parts of acetic acid, 2 parts of nitric acid, 4 parts of ferric chloride, 0.1 part of penetrant, 1 part of corrosion inhibitor, 0.1 part of aniline, 0.6 part of emulsifier, 100 parts of water;

[0052] Wherein, the mass fraction of sulfuric acid is 8%, the mass fraction of nitric acid is 3%, the mass fraction of acetic acid is 37% (commercially available product), the mass fraction of phosphoric acid is 85% (commercially available product).

[0053] The preparation method of this concrete mortar dirt cleaning agent is with reference to embodiment 1.

Embodiment 3

[0055] A kind of concrete mortar dirt cleaning agent of the present embodiment, by mass percentage, its formula is:

[0056] 7 parts of sulfuric acid, 0.8 parts of potassium roseate, 4 parts of acetic acid, 4 parts of nitric acid, 3 parts of ferric chloride, 0.5 parts of penetrant, 0.7 parts of corrosion inhibitor, 0.3 parts of aniline, 0.5 parts of emulsifier, and 125 parts of water;

[0057] Wherein, the mass fraction of sulfuric acid is 5%, the mass fraction of nitric acid is 5%, the mass fraction of acetic acid is 37% (commercially available product), the mass fraction of phosphoric acid is 85% (commercially available product).

[0058] The preparation method of this concrete mortar dirt cleaning agent is with reference to embodiment 1.

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Abstract

The invention discloses a preparation and application of a special cleaner for textile printing and dyeing machinery. The formula of the special cleaner comprises the following components in parts byweight: 5 to 12 parts of oxyacids, 0.2 to 1 part of potassium thiocyanate, 2 to 4 parts of acetic acid, 2 to 4 parts of nitric acid, 2 to 4 parts of ferric chloride, 0.1 to 0.8 part of a penetrating agent, 0.2 to 1 part of a corrosion inhibitor, 0.1 to 0.5 part of aniline, 0.1 to 0.6 part of a emulsifier and 100 to 150 parts of water; the mass fraction of nitric acid is 3 to 5 percent. According to the cleaner disclosed by the invention, multiple oxyacids cooperate with the corrosion inhibitor, the penetrating agent and the emulsifier so as to play unique effects of penetration, stripping, decomposition, diffusion and the like; in addition, the cleaner performs chemical reactions such as various forms of decomposition and chemical combination on dirt and finally achieves the aim of removing the dirt without harming the surface of equipment.

Description

technical field [0001] The invention relates to a cleaning agent, in particular to the preparation and application of a special cleaning agent for textile printing and dyeing machinery. Background technique [0002] The surface of mechanical equipment such as printing and dyeing cylinders, drying cylinders, and dyeing and pulping machine cylinders often used in the textile printing and dyeing industry often adheres to a large amount of dirt. In addition to carbonates and silicates, these dirts also contain a large amount of heavy metal elements and Various dye components are not only complex in composition, but also hard and difficult to remove. [0003] The chemical properties of sulfuric acid are very active. At room temperature, it can react with almost all metals and their oxides and hydroxides to form sulfates, destroying the molecular structure between the elements that make up the dirt. However, due to the poor solubility of the sulfate salt produced by sulfuric acid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D1/825C11D3/04C11D3/20C11D3/30C11D3/38C11D3/60
Inventor 张晶
Owner 张晶
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