Aviation component cleaning agent and preparing method

A cleaning agent and component technology, which is applied in the cleaning agent and preparation of aviation parts, and in the field of aviation parts cleaning, can solve the problems of human body toxicity, aviation parts cleaning agent is flammable and explosive, and achieves non-toxicity to the human body, flash point High, good compatibility

Active Publication Date: 2017-05-31
孚迪斯石油化工(葫芦岛)有限公司
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AI-Extracted Technical Summary

Problems solved by technology

The method solves the technical problem that the cleaning agent for aviation parts is flammable, explosive and toxic to the human ...
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Method used

[0013] Base solvent is normal alkane solvent. Normal alkanes are products prepared by oligomerizing ethylene to obtain alpha olefins in the presence of a nickel catalyst, and then reacting to obtain alkanes. The normal alkanes used in this invention are C12-C16 alkane...
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Abstract

The invention provides an aviation component cleaning agent and a preparing method. The cleaning agent is composed of an n-alkanes base solvent, a butyl cellosolve active agent and an N,N'-diethylene propylene diamine active agent. A nitrogen tank is inflated with nitrogen generated in a nitrogen machine, and the nitrogen in the nitrogen tank is blown into a tempering kettle; the n-alkanes base solvent is pumped into the tempering kettle from the interior of a solvent tank, and the butyl cellosolve active agent and a passivator which is the N,N'-diethylene propylene diamine active agent are pumped into the tempering kettle through an additive tank; and water bath heating is conducted, so that the temperature in a reaction kettle ranges from 50 DEG C to 55 DEG C, and stirring at constant speed is conducted for 3 h. Due to the fact that the n-alkanes is adopted as the base solvent, and the butyl cellosolve active agent and the passivator are adopted as the N,N'-diethylene propylene diamine active agent additive, the cleaning agent is obtained through cooling, filtering and filling. The cleaning agent is suitable for serving as aviation component cleaning agent, and the preparing method is applied.

Technology Topic

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  • Aviation component cleaning agent and preparing method

Examples

  • Experimental program(1)

Example Embodiment

[0010] The cleaning agent is composed of n-alkane base solvent, ethylene glycol butyl ether activator and N,N' -The composition of the active agent of disalicylpropanediamine, the mixing ratio is 92%: 6.5%: 1.5%.
[0011] The cleaning agent preparation method: the nitrogen produced in the nitrogen generator 1 is charged into the nitrogen tank 2, and the nitrogen in the nitrogen tank is blown into the blending kettle 5; the normal paraffin base solvent is pumped from the solvent tank 3 to the blending kettle. In the kettle, the butyl glycol ether activator and the passivating agent are N,N' -Disalicylpropanediamine is pumped into the blending kettle from the additive tank 4; heated by a water bath, the temperature in the reaction kettle is made to reach 50-55 ℃, and the uniform stirring is carried out for 3 hours; the mixed product is pumped to Cool to room temperature in cooling tank 6; filter through filter 7 under pressure; use filling machine 8 to load into packaging barrels to obtain finished product 9 of the cleaning agent.
[0012] Features of the present invention
[0013] The base solvent is a n-alkane solvent. N-alkanes are products prepared by oligomerization of ethylene in the presence of nickel catalysts to obtain alpha olefins, which are then reacted to obtain alkanes. The n-alkane used in the invention is a C12-C16 alkane fraction, which has good solubility for various oily substances; the flash point is above 60 °C, and it is non-flammable in case of an open flame at room temperature; it does not contain aromatic hydrocarbons, and does not contain sulfur, chlorine, bromine, etc. element, safe and non-toxic.
[0014] The active agent is ethylene glycol butyl ether. Ethylene glycol butyl ether is an additive product obtained by catalyzing the reaction of ethylene oxide and butanol with a Lewis base composite catalyst. Ethylene glycol butyl ether is a colorless liquid, and has good solubility with water, various oily solvents and products, and can enhance the cleaning ability of cleaning products, especially for water-based substances with poor n-paraffin solubility. Good cleaning action. Its flash point is as high as 71 ℃, and it is not flammable in the case of open fire at room temperature, and it has high safety.
[0015] added N,N' -Disalicylidene propylene diamine is a product obtained by coupling reaction of propylene diamine and salicylic acid derivatives under the action of a catalyst. N,N' -Disalicylpropanediamine has good oil solubility, can form chelate with active metal ions copper, iron, nickel, manganese, inhibit the catalytic effect of metal ions on oil products, and can improve the stability of oil products when used in oil products properties, reduce the amount of colloid formation, and reduce the corrosion effect on metals.
[0016] The actual application of the cleaning agent produced according to the raw material ratio and production method of the present invention shows that its physical and chemical properties and performance can meet the requirements of relevant standards and the cleaning of aviation parts; High safety during transportation; no aromatic hydrocarbons, sulfur, chlorine, bromine, etc., safe and non-toxic, harmless to human body; good compatibility with metal materials, no corrosion to metal materials; suitable for aviation parts, systems And the cleaning agent used outside the whole machine.
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