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Transformer vegetable insulating oil with hawthorn fruit extract and preparation method thereof

A technology of vegetable insulating oil and hawthorn extract, which is applied in the petroleum industry, lubricating composition and other directions, can solve the problem of limited long-term antioxidant improvement of vegetable insulating oil, high dielectric loss factor, high kinematic viscosity, and easy occurrence of oxidation and gelation. phenomenon and other problems, to achieve the effect of excellent synergistic antioxidant effect, long service life, and long-term antioxidant improvement.

Inactive Publication Date: 2017-01-11
TONGLING RIKE ELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, vegetable insulating oil also has disadvantages such as high dielectric loss factor, high kinematic viscosity, prone to oxidation and gelation, and high requirements for transformer operation and maintenance.
CN102682869 effectively reduces the viscosity of vegetable insulating oil by performing transesterification reaction between refined vegetable oil and low-molecular alcohol, but the improvement of long-term oxidation resistance of vegetable insulating oil is limited

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0016] A kind of transformer vegetable insulating oil containing hawthorn extract is prepared from the following component raw materials by weight (kg):

[0017] Nano silica hollow sphere 0.15, dried hawthorn 1, cassia seed 0.5, tea polyphenol 0.05, antioxidant BHA 0.03, stearyl methacrylate 0.2, tetrabutyl titanate 0.03, propyl gallate 0.2, boric acid 0.5, di Ethanolamine 5, refined soybean oil 80, absolute ethanol 10, coconut oil fatty acid diethanolamide 0.1;

[0018] The particle size of the nano-silica hollow spheres is 50-100nm;

[0019] The refined soybean oil is common soybean oil after alkali refining, decolorization, deodorization, dehydration treatment, acid value ≤ 0.03mgKOHg -1 The product.

[0020] A preparation method of transformer vegetable insulating oil containing hawthorn extract, comprising the following steps:

[0021] (1) Weigh raw materials by weight, first add dried hawthorn and cassia seeds to absolute ethanol for reflux extraction for 3 hours, fil...

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Abstract

The invention discloses transformer vegetable insulating oil with hawthorn fruit extract, made from, by weight, 0.15-0.25 part of nano silicon dioxide hollow spheres, 1-2 parts of dried hawthorn fruit, 0.5-1 part of Semen Cassiae, 0.05-01 part of tea polyphenols, 0.03-0.05 part of antioxidant BHA, 0.2-0.4 part of octadecyl methacrylate, 0.03-0.05 part of tetrabutyl titanate, 0.2-0.4 part of propyl gallate, 0.5-1 part of boric acid, 5-10 parts of diethanolamine, 80-100 parts of refined vegetable oil, 10-15 parts of absolute ethyl alcohol, and 0.1-0.15 part of cocoanut fatty acid diethanolamide. The vegetable insulating oil features long-term antioxidant stability and low viscosity, has excellent service performance and is long in service life.

Description

technical field [0001] The invention relates to the technical field of transformer insulating oil, in particular to a transformer vegetable insulating oil containing hawthorn extract and a preparation method thereof. Background technique [0002] As an important liquid insulating medium, insulating oil is widely used in electrical equipment such as transformers. Mineral insulating oil is a liquid mixture composed of various hydrocarbons and is widely used due to its good electrical insulation, cooling properties and low cost. However, the ignition point of mineral insulating oil is low, and the fire safety performance is poor; at the same time, the biodegradation rate is low. If leakage or fire occurs, it will seriously pollute the environment, and it is difficult to meet the needs of high performance and environmental protection. Therefore, the development of new plant insulating oil It has gradually become a hot spot in the research of liquid insulating materials. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N30/02C10N30/10C10N40/16
CPCC10M169/045C10M2201/041C10M2201/087C10M2201/10C10M2207/021C10M2207/023C10M2207/046C10M2207/281C10M2207/289C10M2207/40C10M2215/04C10M2215/082C10M2227/065C10N2030/02C10N2030/10C10N2040/16
Inventor 崔应文
Owner TONGLING RIKE ELECTRONICS
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