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Anti-oxidation anti-gassing transformer oil

A transformer oil and anti-gassing technology, applied in the field of transformer oil, can solve the problems of short service life and unstable anti-gassing performance, and achieve the effects of improving gas-gassing resistance, improving oxidation stability and reducing pollution

Inactive Publication Date: 2012-09-12
上海福岛新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an anti-oxidation and anti-gassing transformer oil, which has excellent insulation properties, in order to overcome the problems of existing transformer oils such as anti-oxidation, unstable anti-gassing performance, and short service life. , heat transfer and fluidity, oxidation stability and gassing resistance, etc., improve the anti-aging performance and safety and durability of transformer oil; effectively solve the phenomenon of turbidity and precipitation during the use of transformer oil, and prolong the life of transformer oil. oil life

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0017] Raw materials: 0.08% of antioxidant 2,6-di-tert-butyl-p-cresol, 0.05% of metal deactivator benzotriazole and its derivatives, 20% of anti-gassing additive, and the balance is paraffin-based refined mineral oil.

[0018] The preparation method is as follows: heat paraffin-based refined mineral oil to about 50-60°C, first add 0.08% of 2,6-di-tert-butyl-p-cresol and stir evenly, then add 0.05% of benzotriazole and Its derivatives and 20% anti-gassing additives are stirred evenly, filtered and put into storage.

[0019] Wherein the preparation method of the anti-gassing additive is as follows: the anti-gassing additive adopts the distillate of petroleum at normal temperature as a raw material, and the components (percentage by weight) are nickel 2.5%, copper 0.25%, aluminum oxide 25.25% and aluminum oxide-silicon oxide 72%. The catalyst is subjected to hydrogenation treatment, and the product obtained after treatment is usually separated into a distillate product at 280°C t...

Embodiment 2

[0021] Raw materials (percentage by weight): 0.08% of antioxidant 2,6-di-tert-butylphenol, 0.3% of metal deactivator mercaptobenzotriazole and its derivatives, 30% of anti-gassing additive, and the balance is cycloalkane Refined mineral oil base.

[0022] The preparation method is as follows: heat naphthenic refined mineral oil to about 50-60°C, first add 0.08% of 2,6-di-tert-butylphenol and stir evenly, then add 0.3% of mercaptobenzotriazole and Its derivatives and 30% anti-gassing additives are stirred evenly, filtered and put into storage.

[0023] Wherein the preparation method of the anti-gassing additive is as follows: the anti-gassing additive adopts petroleum normal temperature distillate as raw material, and is nickel 3.5%, copper 0.35%, aluminum oxide 25% and aluminum oxide-silicon oxide 71.15% with component (weight percentage) The catalyst is subjected to hydrogenation treatment, and the product obtained after treatment is usually separated into a distillate produ...

Embodiment 3

[0025] Raw materials (percentage by weight): antioxidant β-(3,5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate 0.08%, metal deactivator thiadiazole and its derivatives 0.5% %, anti-gassing additive 10%, and the balance is paraffin-based refined mineral oil.

[0026] The preparation method is as follows: heat the paraffin-based refined mineral oil to about 50-60 ° C, first add 0.08% of antioxidant β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid n-octadecyl alcohol After the ester is stirred evenly, 0.5% of thiadiazole and its derivatives and 10% of anti-gassing additives are sequentially added, stirred evenly, filtered and stored.

[0027] Wherein the preparation method of the anti-gassing additive is as follows: the anti-gassing additive adopts petroleum normal temperature distillate as raw material, and is nickel 2.7%, copper 0.3%, aluminum oxide 30% and aluminum oxide-silicon oxide 67% with component (weight percentage) The catalyst is subjected to hydrogenation...

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Abstract

The invention discloses anti-oxidation anti-gassing transformer oil, which comprises the following components in percentage by weight: 0.08% of antioxygen, 0.05-0.5% of metal deactivating agent, 10-30% of anti-gassing additive and the balance transformer base oil, wherein the anti-gassing additive adopts the normal-temperature fraction of petroleum as the raw material which is subjected to hydrotreating by catalyst comprising the components of nickel, copper, alumina and alumina-silicon oxide; a fraction product of which the temperature is 280-360DEG C is separated from a product obtained by processing at normal pressure; the product is anti-gassing additive; proper and effective antioxidant is selected, the content of the antioxidant is strictly controlled, and the anti-gassing additive is cooperatively added; the ratio of the antioxidant is regulated to improve the oxidation stability and the anti-gassing performance of the transformer oil and reduce the oil flow electrification; the service life of the transformer oil is greatly prolonged; the anti-oxidation anti-gassing transformer oil can be suitable for ultrahigh-pressure transformer oil; and pollution can be effectively reduced while the anti-gassing performance is improved.

Description

technical field [0001] The invention relates to a transformer oil, in particular to an anti-oxidation and anti-gassing transformer oil. Background technique [0002] The main functions of transformer oil are: insulation, heat dissipation and arc suppression. Due to its good insulation performance, it plays a role of insulation and insulation maintenance for windings; transformer oil has a large specific heat and is often used as a coolant. In use, transformer oil is required to have cooling and heat dissipation properties, insulation properties, solubility, electrical properties, low temperature properties, gas evolution properties and oxidation stability properties. [0003] At present, most commonly used transformer oil products adopt the method of improving the refining process and adding antioxidants to ensure the important index of transformer oil oxidation stability. However, hydrogen and acetylene will be released under the action of sunlight, magnetic field, high-vo...

Claims

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Application Information

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IPC IPC(8): C10M141/06C10M141/08C10N40/16C10N30/10
Inventor 宋铁成赵嘉莹姬文琦宋传军
Owner 上海福岛新材料科技有限公司
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