Transformer oil with excellent cooling heat-radiating and moisture preventing properties and preparation method thereof

A transformer oil and moisture-proof performance technology, which is applied in the field of transformer oil, can solve problems such as overall excellent indicators, shorten the service life of equipment, and affect the safe operation of equipment, and achieve high safe operation, good electrical and physical and chemical properties, and superior cooling and heat dissipation performance Effect

Active Publication Date: 2013-04-03

ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +1

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AI-Extracted Technical Summary

Problems solved by technology

In short, the more water content in the oil, the faster the aging of the oil itself, the aging of equipment insulation and the corrosion of metal parts, which will affect the safe operation of the equipment and shorten the service life of the equipment

[0005] At present, the products of transformer oil manufacturers are oriented to cus...

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Method used

3) add and account for base oil quality be 0.3%-0.5% antioxidant and account for base oil quality be 0.1%-0.2% metal passivator, continue to reconcile 2 hours at 60-65 ℃, obtain a A transformer oil with excellent cooling and moisture-proof properties. The antioxidant is two or more of 2,6-di-tert-butyl-p-cresol, 2,6-di-tert-butylphenol, alk...

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Abstract

The invention discloses transformer oil with excellent cooling heat-radiating and moisture preventing properties. The transformer oil is mainly prepared from the following raw materials: hydrogenated stock oil, naphthene thickened oil, an antioxidant and a metal passivator, wherein the ratio of the hydrogenated stock oil to the naphthene thickened oil is (72-82):(18-28) in terms of parts by weight, the amount of the used antioxidant accounts for 0.3-0.5% relative to the total mass of the hydrogenated stock oil and the naphthene thickened oil, and the amount of the used metal pasivator accounts for 0.1-0.2% relative to the total mass of the hydrogenated stock oil and the naphthene thickened oil. The invention further discloses a preparation method of the transformer oil. The transformer oil has excellent cooling heat-radiating and moisture preventing properties, thus being very suitable for being used in southern areas of China.

Application Domain

AdditivesBase-materials

Technology Topic

ChemistryEngineering +7

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Examples

Experimental program(6)
Comparison scheme(1)
Effect test(1)

Example Embodiment

[0028] Example 1

[0029] The transformer oil with excellent cooling, heat dissipation and moisture-proof performance provided in this embodiment is mainly prepared from the following raw materials: hydrogenated base oil, cycloalkyl heavy oil, antioxidant and metal passivator, among which hydrogenated base oil and cycloalkyl The weight ratio of heavy oil is 72:28, the amount of antioxidants accounts for 0.5% of the total weight of hydrogenated base oil and cycloalkyl heavy oil, and the amount of metal deactivator accounts for the total weight of hydrogenated base oil and cycloalkyl heavy oil. 0.2% of weight.

[0030] Among them, the hydrogenation base oil is prepared by the following method: the intermediate base heavy oil fraction with a distillation range of 253℃-433℃, using tungsten-molybdenum-nickel/(alumina+silicon oxide) as a catalyst for hydrogenation Base oil, and make the paraffin component content in the hydrogenated base oil 50%-60%, and the aromatic component content is less than 1%. Based on 100% of the total mass of the tungsten-molybdenum-nickel/(alumina+silica) catalyst, the content of each component is: nickel 15%, tungsten 5%, molybdenum 5%, silicon oxide 10% and the balance alumina.

[0031] The cycloalkyl heavy oil adopts the cycloalkyl heavy oil with a distillation range of 246℃~408℃. The content of alkane components in the heavy cycloalkyl oil is 55%-60%, and the content of aromatic components is less than 5%.

[0032] Antioxidant uses 2,6-di-tert-butyl-p-cresol and alkylated phenyl-α-naphthylamine, wherein the mass of alkylated phenyl-α-naphthylamine accounts for 30% of the total mass of antioxidant.

[0033] Benzotriazole is used as the metal deactivator.

[0034] The above-mentioned preparation method of transformer oil with excellent cooling, heat dissipation and moisture-proof performance includes the following steps: the hydrogenated base oil and the cycloalkyl heavy oil are adjusted at 60~65℃ for 2 hours according to the above-mentioned strength ratio to form base oil, and the metering ratio is Add antioxidants and metal passivators, and continue to blend for 2 hours at 60-65°C to obtain transformer oil with excellent cooling, heat dissipation and moisture resistance.

Example Embodiment

[0035] Example 2

[0036] The transformer oil with excellent cooling, heat dissipation and moisture-proof performance provided in this embodiment is mainly prepared from the following raw materials: hydrogenated base oil, cycloalkyl heavy oil, antioxidant and metal passivator, among which hydrogenated base oil and cycloalkyl The weight ratio of heavy oil is 75: 25, the amount of antioxidants accounts for 0.5% of the total weight of hydrogenated base oil and cycloalkyl heavy oil, and the amount of metal deactivator accounts for the total weight of hydrogenated base oil and cycloalkyl heavy oil. 0.1% by weight.

[0037] Among them, the hydrogenation base oil is prepared by the following method: the intermediate base heavy oil fraction with a distillation range of 253℃-433℃, using tungsten-molybdenum-nickel/(alumina+silicon oxide) as a catalyst for hydrogenation Base oil, and make the paraffin component content in the hydrogenated base oil 50%-60%, and the aromatic component content is less than 1%. Based on 100% of the total mass of the tungsten-molybdenum-nickel/(alumina+silica) catalyst, the content of each component is: nickel 15%, tungsten 5%, molybdenum 5%, silicon oxide 10% and the balance alumina.

[0038] The cycloalkyl heavy oil adopts the cycloalkyl heavy oil with a distillation range of 246℃~408℃. The content of alkane components in the heavy cycloalkyl oil is 55%-60%, and the content of aromatic components is less than 5%.

[0039] Antioxidant uses 2,6-di-tert-butyl-p-cresol, 2,6-di-tert-butylphenol and alkylated phenyl-α-naphthylamine, of which 2,6-di-tert-butyl-p-cresol is the most 50% of the total mass of the oxidant, the alkylated phenyl-α-naphthylamine accounts for 35% of the total mass of the antioxidant,

[0040] The metal deactivator uses benzotriazole derivative T551 agent.

[0041] The above-mentioned preparation method of transformer oil with excellent cooling, heat dissipation and moisture-proof performance includes the following steps: the hydrogenated base oil and the cycloalkyl heavy oil are adjusted at 60~65℃ for 2 hours according to the above-mentioned strength ratio to form base oil, and the metering ratio is Add antioxidants and metal passivators, and continue to blend for 2 hours at 60-65°C to obtain transformer oil with excellent cooling, heat dissipation and moisture resistance.

Example Embodiment

[0042] Example 3

[0043] The transformer oil with excellent cooling, heat dissipation and moisture-proof performance provided in this embodiment is mainly prepared from the following raw materials: hydrogenated base oil, cycloalkyl heavy oil, antioxidant and metal passivator, among which hydrogenated base oil and cycloalkyl The weight ratio of heavy oil is 82:18, the amount of antioxidants accounts for 0.4% of the total weight of hydrogenated base oil and cycloalkyl heavy oil, and the amount of metal deactivator accounts for the total weight of hydrogenated base oil and cycloalkyl heavy oil. 0.1% by weight.

[0044] Among them, the hydrogenation base oil is prepared by the following method: the intermediate base heavy oil fraction with a distillation range of 253℃-433℃, using tungsten-molybdenum-nickel/(alumina+silicon oxide) as a catalyst for hydrogenation Base oil, and make the paraffin component content in the hydrogenated base oil 50%-60%, and the aromatic component content is less than 1%. Based on 100% of the total mass of the tungsten-molybdenum-nickel/(alumina+silica) catalyst, the content of each component is: nickel 15%, tungsten 5%, molybdenum 5%, silicon oxide 10% and the balance alumina.

[0045] The cycloalkyl heavy oil adopts the cycloalkyl heavy oil with a distillation range of 246℃~408℃. The content of alkane components in the heavy cycloalkyl oil is 55%-60%, and the content of aromatic components is less than 5%.

[0046] Antioxidant uses 2,6-di-tert-butyl-p-cresol and alkylated phenyl-α-naphthylamine, in which the mass of alkylated phenyl-α-naphthylamine accounts for 30% of the total mass of antioxidants;

[0047] The metal deactivator uses benzotriazole derivative Irgamet 39 agent.

[0048] The above-mentioned preparation method of transformer oil with excellent cooling, heat dissipation and moisture-proof performance includes the following steps: the hydrogenated base oil and the cycloalkyl heavy oil are adjusted at 60~65℃ for 2 hours according to the above-mentioned strength ratio to form base oil, and the metering ratio is Add antioxidants and metal passivators, and continue to blend for 2 hours at 60-65°C to obtain transformer oil with excellent cooling, heat dissipation and moisture resistance.

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Reduce pollution
Improve safe operation

Transformer oil with excellent cooling heat-radiating and moisture preventing properties and preparation method thereof

AI-Extracted Technical Summary

Problems solved by technology

Method used

Abstract

Image

Examples

Example Embodiment

Example Embodiment

Example Embodiment

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Description & Claims & Application Information

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