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A cleaning agent for rust removal and maintenance of metal water pipe joints

A technology for water pipe joints and cleaning agents, applied in the field of cleaning agents, can solve the problems of metal pipes leaking, unusable, and difficult to disassemble the joints, and achieve the effect of preventing re-corrosion

Active Publication Date: 2019-01-08
株洲开元润滑材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Metal water pipes occupy a relatively large proportion in daily life. Metal water pipes, especially the joints of metal water pipes, will corrode after a long period of use. In this way, the joints of metal pipes are not easy to disassemble during the construction process. If they are not handled in time If the rust stains on the metal pipe joints are removed and maintained, the corrosion of the metal pipes will become more and more serious, and even cause the metal pipes to leak and become unusable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Get concentration by weight and be 25 parts of 99% glacial acetic acid, concentration be 12 parts of 80% phosphoric acid, concentration be 6 parts of 20% oxalic acid, 10 parts of methyl alcohol, 5 parts of tolyltriazoles, lauryl 3 parts of sodium sulfate, 7 parts of aluminum naphthenate, 30 parts of deionized water.

[0018] The preparation method of the cleaning agent used for rust removal and maintenance of metal water pipe joints comprises the following steps:

[0019] ① Add methanol, tolyltriazole, sodium lauryl sulfate, and aluminum naphthenate into the reaction kettle, and stir at 40 rpm for 15 minutes at room temperature;

[0020] ② Continue to add deionized water and glacial acetic acid with a concentration of 99%, and stir at a speed of 50 rpm for 12 minutes at room temperature;

[0021] ③ Continue to add phosphoric acid with a concentration of 80% and oxalic acid with a concentration of 20%, and stir at a speed of 35 rpm for 8 minutes at room temperature to o...

Embodiment 2

[0023] Get concentration by weight and be 32 parts of 99% glacial acetic acid, concentration is 18 parts of 80% phosphoric acid, concentration is 10 parts of 20% oxalic acid, 15 parts of methyl alcohol, 10 parts of tolyltriazole, lauryl 6 parts of sodium sulfate, 13 parts of aluminum naphthenate, 40 parts of deionized water.

[0024] The preparation method of the cleaning agent used for rust removal and maintenance of metal water pipe joints comprises the following steps:

[0025] ① Add methanol, tolyltriazole, sodium lauryl sulfate, and aluminum naphthenate into the reaction kettle, and stir at 45 rpm for 10 minutes at room temperature;

[0026] ② Continue to add deionized water and glacial acetic acid with a concentration of 99%, and stir at a speed of 55 rpm for 8 minutes at room temperature;

[0027] ③ Continue to add phosphoric acid with a concentration of 80% and oxalic acid with a concentration of 20%, and stir at a speed of 40 rpm for 5 minutes at room temperature to ...

Embodiment 3

[0029] Get concentration by weight and be 28 parts of 99% glacial acetic acid, concentration is 14 parts of 80% phosphoric acid, concentration is 7 parts of 20% oxalic acid, 12 parts of methyl alcohol, 6 parts of tolyltriazoles, lauryl 4 parts of sodium sulfate, 9 parts of aluminum naphthenate, 36 parts of deionized water.

[0030] The preparation method of the cleaning agent used for rust removal and maintenance of metal water pipe joints comprises the following steps:

[0031] ① Add methanol, tolyltriazole, sodium lauryl sulfate, and aluminum naphthenate into the reaction kettle, and stir at 40 rpm for 15 minutes at room temperature;

[0032] ② Continue to add deionized water and glacial acetic acid with a concentration of 99%, and stir at a speed of 50 rpm for 12 minutes at room temperature;

[0033] ③ Continue to add phosphoric acid with a concentration of 80% and oxalic acid with a concentration of 20%, and stir at a speed of 35 rpm for 8 minutes at room temperature to o...

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PUM

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Abstract

The invention discloses a cleaning agent for rust removal and maintenance of a metal water pipe connector. The cleaning agent is prepared from the following raw materials in parts by weight: 25-32 parts of 99% glacial acetic acid, 12-18 parts of 80% phosphoric acid, 6-10 parts of 20% oxalic acid, 10-15 parts of methanol, 5-10 parts of methylbenzotriazole, 3-6 parts of lauryl sodium sulfate, 7-13 parts of aluminum naphthenate and 30-40 parts of deionized water. The cleaning agent for rust removal and maintenance of a metal water pipe connector can thoroughly clean off rust stains of the metal water pipe connector without corroding the metal water pipe connector; and at the same time of removing the rust stains, the cleaning agent also can form a stable protective film on the surface of the metal, thereby preventing the metal water pipe connector from being corroded again.

Description

technical field [0001] The invention relates to a cleaning agent, more precisely, a cleaning agent used for rust removal and maintenance of metal water pipe joints. Background technique [0002] Water pipes are water supply pipes. Modern decoration water pipes are built with buried walls. There are three types of water pipes. The first type is metal pipes, such as hot-dip cast iron pipes with plastic lining, copper pipes, and stainless steel pipes. The second category is plastic composite metal pipes, such as plastic composite steel pipes, aluminum-plastic composite pipes, etc. The third category is plastic pipes, such as PB, PP-R. [0003] Metal water pipes occupy a relatively large proportion in daily life. Metal water pipes, especially the joints of metal water pipes, will corrode after a long period of use. In this way, the joints of metal pipes are not easy to disassemble during the construction process. If they are not handled in time If the rust stains on the metal ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G1/02C23C22/47
CPCC23C22/47C23G1/02
Inventor 万东方刘志平
Owner 株洲开元润滑材料股份有限公司
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