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Transformer vegetable insulating oil containing clove extract and preparation method thereof

A plant insulating oil and extract technology, applied in the petroleum industry, lubricating compositions, etc., can solve the limited improvement of long-term oxidation resistance of plant insulating oil, dielectric loss factor, high kinematic viscosity, easy oxidation and gel phenomenon and other problems, to achieve the effect of improving long-term oxidation resistance, long service life, anti-oxidation stability and viscosity performance

Inactive Publication Date: 2017-05-10
TONGLING RIKE ELECTRONICS
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  • Abstract
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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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Embodiment Construction

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

[0017] Nano silica hollow sphere 0.15, clove 1, pepper 0.5, tea polyphenol 0.05, antioxidant BHA 0.03, laurozone 0.3, tetrabutyl titanate 0.03, propyl gallate 0.2, boric acid 0.5, diethanolamine 5, crocodile Pear oil 0.3, refined soybean oil 80, absolute ethanol 10;

[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 clove extract, comprising the following steps:

[0021] (1) Weigh raw materials by weight, add cloves and Chinese prickly ash to absolute ethanol for reflux extraction for 3 hours, filter to remove filter residue, then add nano-silica hollow ...

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Abstract

The invention discloses transformer vegetable insulating oil containing clove extract. The transformer vegetable insulating oil is prepared from the following raw materials in parts by weight: 0.15-0.25 part of nano silicon dioxide hollow spheres, 1-2 parts of cloves, 0.5-1 part of Chinese prickly ash, 0.05-0.1 part of tea polyphenols, 0.03-0.05 part of an antioxidant BHA (Butylated Hydroxyanisole), 0.3-0.5 part of laurocapram, 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, 0.3-0.5 part of avocado oil, 80-100 parts of refined vegetable oil and 10-15 parts of absolute ethyl alcohol. The vegetable insulating oil disclosed by the invention has the characteristics of good long-period anti-oxidization stability and low viscosity, good dispersion uniformity and high flowability, and has good utilization performance and long 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 clove 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. [0003] ...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10N40/16C10N30/10C10N30/02C10N30/04
CPCC10M169/045C10M2201/087C10M2201/10C10M2207/021C10M2207/025C10M2207/046C10M2207/289C10M2207/401C10M2215/042C10M2215/22C10M2227/065C10N2030/02C10N2030/04C10N2030/10C10N2040/16
Inventor 崔应文
Owner TONGLING RIKE ELECTRONICS
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