Antioxidant nano modified transformer oil and preparation method thereof

A nano-modified transformer oil technology, applied in the field of transformer oil, can solve the problems of difficulty in maintaining the long-term stability of the nano-modified transformer oil, affecting the service life of the nano-modified transformer oil, easy oxidation and decomposition, etc. Stable properties and good antioxidant properties

Inactive Publication Date: 2017-03-15
葛袁园
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In practical applications, nano-particles are prone to agglomeration and sedimentation in transformer oil, which degrades performance and seriously affects the service life of nano-modified transformer oil.
Use oleic acid to modify the organic surface of nano-silica hollow spheres, and ultrasonically disperse the modified nano-powder into transformer oil to prepare nano-silica hollow spheres modified transformer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0013] An antioxidant nano-modified transformer oil is prepared from the following weight (kg) components:

[0014] Naphthenic base oil 100, castor oil 5, nano silica hollow sphere 0.1, 2,6-di-tert-butyl-p-cresol 0.3, benzotriazole 0.1, propyl gallate 0.3, quercetin 0.01, Ethyl orthosilicate 0.01, sodium cetearyl sulfate 0.1, vinyltriethoxysilane 0.01.

[0015] A preparation method of anti-oxidation nano-modified transformer oil, comprising the following steps:

[0016] (1) First, the nano-silica hollow spheres were added to anhydrous ethanol at a solid-liquid weight ratio of 1:100 to disperse them uniformly by ultrasonic waves, then slowly add ethyl orthosilicate and vinyltriethoxysilane and stir for 0.5h to obtain a mixture. Finally, a boric acid solution equivalent to 1 / 20 of the volume of the mixed solution was slowly added dropwise and stirred at 50 °C for 2 hours, centrifuged after cooling, and the obtained solid was washed several times with absolute ethanol to obtain ...

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PUM

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Abstract

The invention discloses antioxidant nano modified transformer oil. The antioxidant nano modified transformer oil is prepared from, by weight, 100-150 parts of naphthenic base oil, 5-10 parts of castor oil, 0.1-0.15 part of nanosilicon dioxide hollow spheres, 0.3-0.5 part of 2,6-butylated hydroxytoluene, 0.1-0.15 part of benzotriazole, 0.3-0.5 part of propylgallate, 0.01-0.015 part of quercetin,0.01-0.015 part of tetraethoxysilane, 0.1-0.15 part of sodium cetostearyl sulphate and 0.01-0.015 part of vinyltriethoxysilane. The transformer oil has excellent insulation and heat dissipation performance, is stable in property and long in service life, further has the advantage of good antioxidant performance, and is high in practicality.

Description

technical field [0001] The invention relates to the technical field of transformer oil, in particular to an anti-oxidation nano-modified transformer oil and a preparation method thereof. Background technique [0002] With the continuous development of power transformers in the direction of high insulation, large capacity and miniaturization, more and more attention has been paid to improving the performance of insulating media. Transformer oil is a low-viscosity oil with two functions of insulation and heat dissipation. It is an important part of the current transformer insulation system. Its performance plays an important role in the safety and reliability of the long-term operation of the transformer. Therefore, how to improve the performance of transformer oil has become one of the research hotspots. Nano-modified transformer oil is a new type of transformer oil obtained by modifying transformer oil with nanoparticles. It has high heat dissipation and unique electrical p...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10N40/16C10N30/10C10N20/06
CPCC10M169/04C10M2201/10C10M2207/025C10M2207/026C10M2207/284C10M2207/402C10M2215/223C10M2219/042C10M2227/02C10M2227/04C10M2229/04C10M2290/04C10N2020/061C10N2030/10C10N2040/16
Inventor 葛袁园
Owner 葛袁园
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