Preparation method for environment-friendly type anti-wearing hydraulic oil

An anti-wear hydraulic oil, environment-friendly technology, applied in the field of hydraulic oil, can solve the problems of ecological environment pollution, long-term accumulation and enrichment, poor environmental friendliness, etc., and achieves environmental friendliness, scientific and reasonable composition ratio, and good cooling performance. Effect

Inactive Publication Date: 2017-06-20
常州梦泰照明科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention is: aiming at the problem that the traditional phosphate ester type anti-wear hydraulic oil is poor in environmental friendliness, it will accumulate and enrich in the environment for a long time after being discarded, and cause pollution to the ecological environment. Soybean oil is used as base oil, and modified nano-alumina is added to prepare an environmentally friendly anti-wear hydraulic oil. In the present invention, soybean oil is firstly frozen to remove components that are easy to crystallize at low temperatures, and then potassium permanganate and glacial acetic acid are used to catalyze Oleic acid in soybean oil is oxidized, and the short-chain carboxylic acid produced is esterified with n-butanol. After drying, No. 2 dry oil is obtained, and finally mixed with nano-alumina modified by silane coupling agent. And add tea saponin and other additives to prepare environment-friendly anti-wear hydraulic oil
The present invention uses soybean oil as a raw material, which is modified to improve the stability in its working process, and uses silane coupling agent to modify nano-alumina to improve the dispersion and stability of nano-alumina in base oil, and the obtained hydraulic oil It is biodegradable after use and is environmentally friendly, effectively solving the problem of pollution to the ecological environment caused by the waste of traditional phosphate ester hydraulic oils

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0019]Measure 300mL of soybean oil, pour it into a beaker, then place the beaker in the refrigerator, refrigerate at -12°C for 2 hours, filter, remove the filter residue, collect the filtrate, and transfer the obtained filtrate into a dropping funnel In the three-necked flask, add 300mL deionized water and 30g potassium permanganate into the three-necked flask, then place the three-necked flask in a digital speed measuring constant temperature magnetic stirrer, adjust the temperature to 50°C, and the stirring speed to 400r / min, Under the state of constant temperature stirring, dropwise add 60mL of glacial acetic acid into the three-necked flask through the dropping funnel, and control the dripping within 10; Separate the layers, remove the water layer, collect No. 1 oil, add 30 g of anhydrous calcium chloride to No. 1 oil, stir and mix with a glass rod for 10 minutes, filter, collect the filtrate, and obtain No. 1 dry oil; Measure 100mL of the No. 1 dry oil obtained above and ...

example 2

[0022] Measure 500mL of soybean oil, pour it into a beaker, then place the beaker in the refrigerator, refrigerate at -15°C for 4 hours, filter, remove the filter residue, collect the filtrate, and transfer the obtained filtrate into a dropping funnel In the three-necked flask, add 400mL deionized water and 50g potassium permanganate into the three-necked flask, then place the three-necked flask in a digital speed measuring constant temperature magnetic stirrer, adjust the temperature to 55 °C, and the stirring speed to 600r / min, Under the state of constant temperature stirring, dropwise add 80mL of glacial acetic acid into the three-necked flask through the dropping funnel, and control the dripping within 15min; Separate the layers, remove the water layer, collect No. 1 oil, then add 40 g of anhydrous calcium chloride to No. 1 oil, stir and mix with a glass rod for 15 minutes, filter, collect the filtrate, and obtain No. 1 dry oil; Measure 150mL of the No. 1 dry oil obtained ...

example 3

[0025] Measure 400mL of soybean oil, pour it into a beaker, then put the beaker in the refrigerator, refrigerate at -14°C for 3 hours, filter, remove the filter residue, collect the filtrate, and transfer the obtained filtrate into a dropping funnel In the three-necked flask, add 350mL deionized water and 40g potassium permanganate into the three-necked flask, and then place the three-necked flask in a digital speed measuring constant temperature magnetic stirrer, adjust the temperature to 53 °C, and the stirring speed to 500r / min, Under the state of constant temperature stirring, dropwise add 70mL of glacial acetic acid into the three-necked flask through the dropping funnel, and control the dripping within 13min; Separate the layers, remove the water layer, collect No. 1 oil, add 35 g of anhydrous calcium chloride to No. 1 oil, stir and mix with a glass rod for 13 minutes, filter, collect the filtrate, and obtain No. 1 dry oil; Measure 125mL of the No. 1 dry oil obtained abo...

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Abstract

The invention relates to a preparation method for environment-friendly type anti-wearing hydraulic oil, and belongs to the technical field of hydraulic oil. The preparation method comprises the following steps of: performing freezing treatment on soybean oil to remove components which are liable to crystallize at a low temperature; catalyzing oleic acid in soybean oil by potassium permanganate and glacial acetic acid to generate oxidization reaction, enabling generated short-chain carboxylic acid and n-butyl alcohol to generate esterification reaction, and drying to prepare 2# dried oil liquid; and finally, mixing the 2# dried oil liquid with nano aluminum oxide modified by a silane coupling agent, and adding auxiliaries such as tea saponin, thereby preparing the environment-friendly type anti-wearing hydraulic oil. According to the preparation method disclosed by the invention, soya bean is taken as a raw material, and is modified to improve stability thereof in a working process; the nano aluminum oxide is modified by the silane coupling agent to improve dispersion stability performance, in base oil, of the nano aluminum oxide; and the obtained hydraulic oil can be biologically degraded after being discarded, is environmental-friendly, and solves the problem that pollution is caused on an ecological environment after conventional phosphate type hydraulic oil is discarded.

Description

technical field [0001] The invention relates to a preparation method of environment-friendly anti-wear hydraulic oil, which belongs to the technical field of hydraulic oil. Background technique [0002] Hydraulic oil is the hydraulic medium used in hydraulic systems that utilize liquid pressure energy. It plays the roles of energy transmission, anti-wear, system lubrication, anti-corrosion, anti-rust, cooling, etc. in the hydraulic system. For hydraulic oil, it should first meet the requirements of the hydraulic device on the viscosity of the liquid at the working temperature and the starting temperature. Since the viscosity change of the hydraulic oil is directly related to the hydraulic action, transmission efficiency and transmission accuracy, the viscosity-temperature performance of the oil is also required. And shear stability should meet the various demands put forward by different uses. [0003] The environment is the foundation upon which human beings and other life...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N40/08C10N30/06C10N30/12
CPCC10M169/044C10M2201/062C10M2201/14C10M2205/026C10M2207/289C10M2215/04C10M2215/223C10N2030/06C10N2030/12C10N2030/64C10N2030/72C10N2040/08
Inventor 许丽君赵成浩林晨
Owner 常州梦泰照明科技有限公司
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