Natural ester transformer oil and preparation method thereof

A technology of transformer oil and natural ester, applied in the field of transformer oil, can solve the problems of easy precipitation, short shelf life, poor stability of transformer oil, etc., and achieve the effect of slow increase of acid value, reduction of sludge amount, and good oxidation resistance.
CN112210425AActive Publication Date: 2021-01-12JIANGSU SHUANGJIANG ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU SHUANGJIANG ENERGY TECH CO LTD
Publication Date
2021-01-12

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Abstract

The invention relates to the technical field of transformer oil, in particular to natural ester transformer oil which comprises the following components: natural ester base oil; modified aluminum nitride nano-particles which are prepared by modifying nano-aluminum nitride with a silane coupling agent as shown in a formula (1) and methacrylate, modified silicon nitride nano-particles which are prepared by modifying nano-silicon nitride with the silane coupling agent shown in the formula (1). and other auxiliary agents; the modified aluminum nitride nanoparticles and the modified silicon nitridenanoparticles are added into the natural ester base oil so that the oxidation resistance of the oil product is remarkably improved, viscosity increase, greasy filth generation and the like caused byhigh-temperature oxidation are effectively inhibited, the high-temperature oxidation resistance stability of the transformer oil is remarkably improved, the gassing property of the transformer oil product is excellent, and the oil is obviously superior to natural ester base oil and mineral transformer oil.
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Description

technical field

[0001] The invention relates to the technical field of transformer oil, in particular to a natural ester transformer oil and a preparation method thereof. Background technique

[0002] Transformer oil is a kind of mineral oil obtained through distillation and refining from natural petroleum. It is a pure and stable liquid natural hydrocarbon with low viscosity, good insulation and good cooling performance obtained by acid-base refining treatment of lubricating oil fractions in petroleum. mixture. Commonly known as square shed oil, light yellow transparent liquid, relative density 0.895, freezing point <-45°C, mainly composed of three kinds of hydrocarbons, the main component is cycloalkane (accounting for about 80%), and the others are aromatic hydrocarbons and alkanes. In my country, transformer oil includes paraffinic base oil and naphthenic oil. Paraffinic oil is produced in Daqing, and naphthenic oil is produced in Karamay, Xinjiang.

[0003] A good...

Claims

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