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Efficient acidic cleaner and preparation method thereof

An acid cleaning agent, high-efficiency technology, applied in the field of cleaning agent, can solve the problems of shortening the service life of the instrument, and achieve the effect of wide application range, low cost and convenient cleaning

Inactive Publication Date: 2018-04-13
广东桑海环保有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chemical cleaning is essentially a multiphase reaction between pollutants and cleaning agents. The traditional chemical cleaning method is alternating acid and alkali cleaning. For particularly serious pollution, a combination of strong alkali and oxidizing agents (such as sodium hypochlorite) is used for cleaning, but sodium hypochlorite or Strong alkali cleaning will have a certain impact on the performance of the instrument itself, and will shorten the service life of the instrument to a certain extent

Method used

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  • Efficient acidic cleaner and preparation method thereof
  • Efficient acidic cleaner and preparation method thereof
  • Efficient acidic cleaner and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A high-efficiency acid cleaning agent, consisting of the following components by weight:

[0028]

[0029]

[0030] A preparation method of high-efficiency acid cleaning agent, comprising the following steps:

[0031] 1) Add deionized water, citric acid and sulfamic acid into the reaction kettle, stir for 30 minutes at a temperature of 40°C and a stirring speed of 150 r / min, and dissolve;

[0032] 2) Continue to add oxalic acid, and stir for 10 minutes at a temperature of 40°C and a stirring speed of 150r / min,

[0033] 3) Add hydroxyethylidene diphosphonic acid and polyacrylic acid, and stir for 30 minutes at a temperature of 40° C. and a stirring speed of 150 r / min to obtain a high-efficiency acidic cleaning agent.

Embodiment 2

[0035] A high-efficiency acid cleaning agent, consisting of the following components by weight:

[0036]

[0037] A preparation method of high-efficiency acid cleaning agent, comprising the following steps:

[0038] 1) Add deionized water, citric acid and sulfamic acid into the reaction kettle, stir for 20 minutes at a temperature of 45°C and a stirring speed of 200r / min, and dissolve;

[0039] 2) Continue to add oxalic acid, and stir for 10 minutes at a temperature of 45°C and a stirring speed of 200r / min,

[0040] 3) Add hydroxyethylidene diphosphonic acid and polyacrylic acid, and stir for 20 minutes at a temperature of 45° C. and a stirring speed of 300 r / min to obtain a high-efficiency acidic cleaning agent.

Embodiment 3

[0042] A high-efficiency acid cleaning agent, consisting of the following components by weight:

[0043]

[0044] A preparation method of high-efficiency acid cleaning agent, comprising the following steps:

[0045] 1) Add deionized water, citric acid and sulfamic acid into the reaction kettle, stir for 20 minutes at a temperature of 50°C and a stirring speed of 250r / min, and dissolve;

[0046] 2) Continue to add oxalic acid, and stir for 20min at a temperature of 50°C and a stirring speed of 250r / min,

[0047] 3) Add hydroxyethylidene diphosphonic acid and polyacrylic acid, and stir for 40 minutes at a temperature of 50° C. and a stirring speed of 150 r / min to obtain a high-efficiency acidic cleaning agent.

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PUM

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Abstract

The invention provides an efficient acidic cleaner which is prepared from the following components in parts by weight: 30 to 100 parts of citric acid, 5 to 50 parts of sulfamic acid, 5 to 40 parts ofoxalic acid, 5 to 50 parts of etidronic acid monohydrate, 5 to 40 parts of polyacrylic acid and 680 to 800 parts of deionized water. The efficient acidic cleaner provided by the invention is low in cost and convenient to clean, and can effectively remove deposited dirt from an aluminum alloy, a metal, stainless steel, glass or plastic; by compounding of the citric acid and the oxalic acid which are relatively low in acidity, use of hydrochloric acid and sulfuric acid is avoided, and the dirt can be effectively removed without damaging instruments. The acidic cleaner is wide in use range, and can be used for clearing away the deposited dirt from various instruments and components.

Description

technical field [0001] The invention relates to the technical field of cleaning agents, in particular to a high-efficiency acid cleaning agent and a preparation method thereof. Background technique [0002] After the instrument is used for a period of time, especially inorganic salts will be deposited on the inner surface, resulting in a decrease in the performance of the instrument, a reduction in processing capacity, and an increase in production costs. At present, the commonly used fouling cleaning methods usually include physical cleaning and chemical cleaning. Physical cleaning mainly includes hydraulic cleaning, gas-liquid pulse method, backwashing method, ultrasonic cleaning method, mechanical cleaning method and negative pressure cleaning method. Seriously, when the physical cleaning method used can no longer restore the flux, chemical cleaning is required. Chemical cleaning is essentially a multiphase reaction between pollutants and cleaning agents. The traditional...

Claims

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Application Information

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IPC IPC(8): C11D7/26C11D7/34C11D7/36C11D3/60B08B3/08
CPCC11D7/265C11D7/34C11D7/36B08B3/08C11D2111/18C11D2111/16
Inventor 程应春
Owner 广东桑海环保有限公司
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