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High-pressure valve cavity cleaning agent and its preparation method and application

A cleaning agent and hydraulic oil technology, applied in the field of high-pressure valve cavity cleaning agent and its preparation, can solve the problems of inability to valve, equipment corrosion, rust cleaning or loosening, unsatisfactory use effect, etc., and achieve excellent cleaning effect and excellent descaling. The effect of good permeability and permeability

Active Publication Date: 2015-07-29
四川川油工程技术勘察设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the currently used non-aqueous cleaning agents such as TCA cleaning agents have good performance, their disadvantages are that they cannot clean or loosen high temperature, high pressure, high-seal pipelines, valves, equipment corrosion, and rust. Even if they are used, the effect is not ideal.

Method used

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  • High-pressure valve cavity cleaning agent and its preparation method and application

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1. The preparation of cleaning agent 1

[0034] First take 450L of phosphate ester fire-resistant hydraulic oil (commercially available, industrially pure), 120L of ethanolamine (commercially available, industrially pure), 100L of sodium dodecylbenzenesulfonate (commercially available, industrially pure), octylphenol polyoxyethylene After mixing 110L of ether (commercially available, industrially pure) (n=13), add 120L of trimethylbenzyl ammonium hydroxide (commercially available, industrially pure) while stirring.

Embodiment 2

[0035] Embodiment 2. The preparation of cleaning agent 2

[0036] First take 450L of phosphate ester fire-resistant hydraulic oil (commercially available, industrially pure), 120L of ethanolamine (commercially available, industrially pure), 100L of sodium dodecylbenzenesulfonate (commercially available, industrially pure), octylphenol polyoxyethylene After mixing 110L of ether (commercially available, industrially pure) (n=30), add 120L of trimethylbenzyl ammonium hydroxide (commercially available, industrially pure) while stirring.

Embodiment 3

[0037] Embodiment 3. The preparation of cleaning agent 3

[0038] First take 450L of phosphate ester fire-resistant hydraulic oil (commercially available, industrially pure), 120L of ethanolamine (commercially available, industrially pure), 100L of sodium dodecylbenzenesulfonate (commercially available, industrially pure), octylphenol polyoxyethylene After mixing 110L of ether (commercially available, industrially pure) (n=50), add 120L of trimethylbenzyl ammonium hydroxide (commercially available, industrially pure) while stirring.

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Abstract

The invention discloses a focus high-pressure valve cavity cleaning agent belonging to the field of cleaning agents and comprising the following components of phosphate hydraulic oil, ethanolamine, sodium dodecyl benzene sulfonate, trimethyl benzyl ammonium hydroxide and polyoxyethylene octylphenol ether. The nonaqueous cleaning agent claimed by the invention has the characteristics of no emulsification at high temperatures, high pressure-bearing capacity, good permeability, excellent descaling capability, no corrosion to noble metals and alloys, and not only has low surface tension and good permeability, but also excellent cleaning and descaling effects and corrosion resistance. Simultaneously, the product has excellent emulsification resistance, and is long in service life and basically not emulsive. Besides, the product also has excellent defoaming property and can be used for cleaning in high-temperature, high pressure environments; and the cleaning effect of the cleaning agent is superior to the industrial standard and can reach above 95%.

Description

technical field [0001] The invention relates to a non-aqueous cleaning agent and its preparation method and application, in particular to a high-pressure valve cavity cleaning agent and its preparation method and application. Background technique [0002] The cleaning agent is used to remove excess penetrating fluid on the surface of the inspected workpiece. Cleaning agents can be divided into water-based cleaning agents and non-aqueous cleaning agents. [0003] Non-aqueous cleaning agents refer to organic solvents that are insoluble in water. Non-aqueous cleaning agents used in precision industrial cleaning are mainly organic solvents such as hydrocarbons (petroleum), chlorinated hydrocarbons, fluorinated hydrocarbons, brominated hydrocarbons, alcohols, silicone oils, and terpenes. [0004] Although the currently used non-aqueous cleaning agent such as TCA cleaning agent has good performance, its disadvantage is that it cannot clean or loosen high temperature, high pressu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D1/86B08B3/08
Inventor 黄彬毛继春
Owner 四川川油工程技术勘察设计有限公司