CN108060004A - A kind of transformer oil of high oxidation stability and preparation method thereof - Google Patents

A kind of transformer oil of high oxidation stability and preparation method thereof Download PDF

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Publication number
CN108060004A
CN108060004A CN201711495025.3A CN201711495025A CN108060004A CN 108060004 A CN108060004 A CN 108060004A CN 201711495025 A CN201711495025 A CN 201711495025A CN 108060004 A CN108060004 A CN 108060004A
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parts
oil
transformer oil
preparation
transformer
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朱震
高灿奇
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Anhui Kaiao New Energy Ltd By Share Ltd
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Anhui Kaiao New Energy Ltd By Share Ltd
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/04—Well-defined cycloaliphatic compounds
    • C10M2203/045—Well-defined cycloaliphatic compounds used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/08—Aldehydes; Ketones
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/16—Naphthenic acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40—Fatty vegetable or animal oils
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/022—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amino group
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/04—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C10N2040/16—Dielectric; Insulating oil or insulators

Abstract

The invention discloses a kind of transformer oil of high oxidation stability, raw material includes：Naphthenic base oils, rice bran oil, magnesia, aluminium oxide, Emathlite, Stearic Acid, oleic acid, ethyl alcohol, zinc acetylacetonate, polyimides, triethanolamine, silane coupling agent KH 570, aphthenic acids, polyethyleneimine.The present invention also proposes a kind of preparation method of the transformer oil of high oxidation stability.Preparation method of the present invention is simple, and production technology controllability is strong, improves the quality items quality index of transformer oil, improves safety coefficient, should be promoted.

Description

A kind of transformer oil of high oxidation stability and preparation method thereof
Technical field
The present invention relates to the transformer oil and its preparation of transformer oil technical field more particularly to a kind of high oxidation stability Method.
Background technology
Transformer oil assumes responsibility for the dual role for radiating and insulating as most important dielectric in power transformer, Reliable electrical property, good thermal conductivity and oxidation stability are required, oil product can aoxidize in use, in height Under temperature effect, this oxidation process can also be accelerated.The acid product of oxidation generation forms sludge and even precipitates, and not only makes heat conduction Property, insulating properties decline, but also oil circuit can be blocked, cause major accident, therefore it is the one of transformer oil to promote oxidation stability A important use condition and quality requirement.Higher and higher especially as the voltage class of electric system, longtime running is in electric power The progressively deterioration problem of transformer insulated characteristic in system seems more prominent, and therefore, the insulation for improving transformer station high-voltage side bus is special Property, inhibit transformer interior insulation aging, so as to reduce that insulation fault become a reality there is an urgent need to.
The content of the invention
To solve technical problem present in background technology, the present invention propose a kind of high oxidation stability transformer oil and Its preparation method, preparation method is simple, and production technology controllability is strong, improves the quality items quality index of transformer oil, carries High safety coefficient, should be promoted.
A kind of transformer oil of high oxidation stability proposed by the present invention, raw material include：Naphthenic base oils, rice bran Oil, magnesia, aluminium oxide, Emathlite, Stearic Acid, oleic acid, ethyl alcohol, zinc acetylacetonate, polyimides, triethanolamine, silane Coupling agent kh-570, aphthenic acids, polyethyleneimine.
Preferably, raw material includes by weight：800-1200 parts of naphthenic base oils, 80-120 parts of rice bran oil, oxidation 1-3 parts of magnesium, 2-4 parts of aluminium oxide, 2-4 parts of Emathlite, 0.2-0.4 parts of Stearic Acid, 0.4-0.6 parts of oleic acid, 10-20 parts of ethyl alcohol, 3-5 parts of zinc acetylacetonate, 1-3 parts of polyimides, 0.1-0.3 parts of triethanolamine, 0.2-0.4 parts of Silane coupling reagent KH-570, ring 1-3 parts of alkanoic acid, 1-3 parts of polyethyleneimine.
Preferably, raw material includes by weight：Naphthenic base oils 1000, rice bran oil 100, magnesia 2, aluminium oxide 3, It is Emathlite 3, Stearic Acid 0.3, oleic acid 0.5, ethyl alcohol 15, zinc acetylacetonate 4, polyimides 2, triethanolamine 0.2, silane coupled Agent KH-570 0.3, aphthenic acids 2, polyethyleneimine 2.
Preferably, include the following steps：
Step 1：It is uniform that magnesia, aluminium oxide and Emathlite are added to ball milling mixing in ball mill, add Stearic Acid Continue ball milling 50-70min；
Step 2：Zinc acetylacetonate, ethyl alcohol and oleic acid are mixed and are stirred by ultrasonic, until solution is clarified, adds step 1 system Standby mixed-powder and then the hydro-thermal reaction 18-22h at 150-160 DEG C, precipitation dehydration and drying is spare；
Step 3：Polyimides is heated to melting, triethanolamine is then added in and Silane coupling reagent KH-570 mixing is equal It is even, it is sprayed on the particle of step 2 preparation, it is spare after natural cooling；
Step 4：Transformer foundation oil and rice bran oil are mixed and heated to 90-100 DEG C, add polyethyleneimine, cycloalkanes Mixture prepared by acid and step 3 stirs evenly, and then stirs 110-130min；
Step 5：It after the transformer oil of step 4 is cooled to room temperature, is filtered with plate oil-filter, removes impurity, you can Obtain the transformer oil of high oxidation stability.
Preferably, include the following steps：Step 1：Magnesia, aluminium oxide and Emathlite are added to ball milling in ball mill It is uniformly mixed, adds Stearic Acid and continue ball milling 60min；
Step 2：Zinc acetylacetonate, ethyl alcohol and oleic acid are mixed and are stirred by ultrasonic, until solution is clarified, adds step 1 system Standby mixed-powder and then the hydro-thermal reaction 20h at 155 DEG C, precipitation dehydration and drying is spare；
Step 3：Polyimides is heated to melting, triethanolamine is then added in and Silane coupling reagent KH-570 mixing is equal It is even, it is sprayed on the particle of step 2 preparation, it is spare after natural cooling；
Step 4：By transformer foundation oil and rice bran oil be mixed and heated to 95 DEG C, add polyethyleneimine, aphthenic acids and Mixture prepared by step 3 stirs evenly, and then stirs 120min；
Step 5：It after the transformer oil of step 4 is cooled to room temperature, is filtered with plate oil-filter, removes impurity, you can Obtain the transformer oil of high oxidation stability.
The present invention, when being warming up to 300 DEG C, there is very strong not polymerism and fabulous oxidation resistance using rice bran oil, with Naphthenic base oils mix, and by surfactant stearic acid, in magnesia, aluminium oxide and Emathlite, improve fluid Stability using hydrophilic macromolecule polyimides, prevents the distance between solid particle further to reduce, improves suspension Long-time stability, addition polyelectrolyte polyethyleneimine is effectively improved ionic environment in transformer foundation oil, is becoming particle Stability enhances in depressor oil, and free settling, does not enhance the effect of insulation, corrosion-resistant, light shine, heat-insulated etc., the present invention Preparation method it is simple, production technology controllability is strong, improves the quality items quality index of transformer oil, improves safe system Number, should be promoted.
Specific embodiment
The present invention is described in detail with reference to specific embodiment, it should be appreciated that embodiment is served only for illustrating this hair Bright rather than for limiting the invention, any modification made on the basis of the present invention, equivalent substitution etc. are in this hair In bright protection domain.
Embodiment 1
A kind of transformer oil of oxidation stability, raw material include by weight：Naphthenic base oils 1000, rice bran oil 100th, magnesia 2, aluminium oxide 3, Emathlite 3, Stearic Acid 0.3, oleic acid 0.5, ethyl alcohol 15, zinc acetylacetonate 4, polyimides 2, Triethanolamine 0.2, Silane coupling reagent KH-570 0.3, aphthenic acids 2, polyethyleneimine 2.
The preparation method of the transformer oil of the oxidation stability, includes the following steps：
Step 1：It is uniform that magnesia, aluminium oxide and Emathlite are added to ball milling mixing in ball mill, add Stearic Acid Continue ball milling 60min；
Step 2：Zinc acetylacetonate, ethyl alcohol and oleic acid are mixed and are stirred by ultrasonic, until solution is clarified, adds step 1 system Standby mixed-powder and then the hydro-thermal reaction 20h at 155 DEG C, precipitation dehydration and drying is spare；
Step 3：Polyimides is heated to melting, triethanolamine is then added in and Silane coupling reagent KH-570 mixing is equal It is even, it is sprayed on the particle of step 2 preparation, it is spare after natural cooling；
Step 4：By transformer foundation oil and rice bran oil be mixed and heated to 95 DEG C, add polyethyleneimine, aphthenic acids and Mixture prepared by step 3 stirs evenly, and then stirs 120min；
Step 5：It after the transformer oil of step 4 is cooled to room temperature, is filtered with plate oil-filter, removes impurity, you can Obtain the transformer oil of high oxidation stability.
Embodiment 2
A kind of transformer oil of oxidation stability, raw material include by weight：800 parts of naphthenic base oils, rice bran oil 120 parts, 1 part of magnesia, 4 parts of aluminium oxide, 2 parts of Emathlite, 0.4 part of Stearic Acid, 0.4 part of oleic acid, 20 parts of ethyl alcohol, acetylacetone,2,4-pentanedione 3 parts of zinc, 3 parts of polyimides, 0.1 part of triethanolamine, 0.4 part of Silane coupling reagent KH-570,1 part of aphthenic acids, polyethyleneimine 3 Part.
The preparation method of the transformer oil of the oxidation stability, includes the following steps：
Step 1：It is uniform that magnesia, aluminium oxide and Emathlite are added to ball milling mixing in ball mill, add Stearic Acid Continue ball milling 50min；
Step 2：Zinc acetylacetonate, ethyl alcohol and oleic acid are mixed and are stirred by ultrasonic, until solution is clarified, adds step 1 system Standby mixed-powder and then the hydro-thermal reaction 18h at 160 DEG C, precipitation dehydration and drying is spare；
Step 3：Polyimides is heated to melting, triethanolamine is then added in and Silane coupling reagent KH-570 mixing is equal It is even, it is sprayed on the particle of step 2 preparation, it is spare after natural cooling；
Step 4：Transformer foundation oil and rice bran oil are mixed and heated to 100 DEG C, add polyethyleneimine, aphthenic acids The mixture prepared with step 3 stirs evenly, and then stirs 110min；
Step 5：It after the transformer oil of step 4 is cooled to room temperature, is filtered with plate oil-filter, removes impurity, you can Obtain the transformer oil of high oxidation stability.
Embodiment 3
A kind of transformer oil of oxidation stability, raw material include by weight：1200 parts of naphthenic base oils, rice bran oil 80 parts, 3 parts of magnesia, 2 parts of aluminium oxide, 4 parts of Emathlite, 0.2 part of Stearic Acid, 0.6 part of oleic acid, ethyl alcohol 10, zinc acetylacetonate 5 Part, 1 part of polyimides, 0.3 part of triethanolamine, 0.2 part of Silane coupling reagent KH-570,3 parts of aphthenic acids, 1 part of polyethyleneimine.
The preparation method of the transformer oil of the oxidation stability, includes the following steps：
Step 1：It is uniform that magnesia, aluminium oxide and Emathlite are added to ball milling mixing in ball mill, add Stearic Acid Continue ball milling 70min；
Step 2：Zinc acetylacetonate, ethyl alcohol and oleic acid are mixed and are stirred by ultrasonic, until solution is clarified, adds step 1 system Standby mixed-powder and then the hydro-thermal reaction 22h at 150 DEG C, precipitation dehydration and drying is spare；
Step 3：Polyimides is heated to melting, triethanolamine is then added in and Silane coupling reagent KH-570 mixing is equal It is even, it is sprayed on the particle of step 2 preparation, it is spare after natural cooling；
Step 4：By transformer foundation oil and rice bran oil be mixed and heated to 90 DEG C, add polyethyleneimine, aphthenic acids and Mixture prepared by step 3 stirs evenly, and then stirs 130min；
Step 5：It after the transformer oil of step 4 is cooled to room temperature, is filtered with plate oil-filter, removes impurity, you can Obtain the transformer oil of high oxidation stability.
The Testing index that the embodiment of the present invention 1 prepares transformer oil is as shown in table 1：
Table 1：
It will be obvious by above detection data, transformer oil prepared by the present invention, without adding antioxidant, processing Go out under the high temperature conditions, the preparation method of the Oxidation Stability of transformer oil in operation can be promoted.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (5)

1. a kind of transformer oil of high oxidation stability, which is characterized in that its raw material includes：Naphthenic base oils, rice bran oil, oxygen Change magnesium, aluminium oxide, Emathlite, Stearic Acid, oleic acid, ethyl alcohol, zinc acetylacetonate, polyimides, triethanolamine, silane coupling agent KH-570, aphthenic acids, polyethyleneimine.
2. the transformer oil of high oxidation stability according to claim 1, which is characterized in that its raw material wraps by weight It includes：800-1200 parts of naphthenic base oils, 80-120 parts of rice bran oil, 1-3 parts of magnesia, 2-4 parts of aluminium oxide, Emathlite 2-4 Part, 0.2-0.4 parts of Stearic Acid, 0.4-0.6 parts of oleic acid, 10-20 parts of ethyl alcohol, 3-5 parts of zinc acetylacetonate, 1-3 parts of polyimides, three 0.1-0.3 parts of ethanolamine, 0.2-0.4 parts of Silane coupling reagent KH-570,1-3 parts of aphthenic acids, 1-3 parts of polyethyleneimine.
3. the transformer oil of oxidation stability according to claim 1 or 2, which is characterized in that its raw material wraps by weight It includes：Naphthenic base oils 1000, rice bran oil 100, magnesia 2, aluminium oxide 3, Emathlite 3, Stearic Acid 0.3, oleic acid 0.5, second Alcohol 15, zinc acetylacetonate 4, polyimides 2, triethanolamine 0.2, Silane coupling reagent KH-570 0.3, aphthenic acids 2, polyethyleneimine Amine 2.
4. a kind of preparation method of transformer oil according to claim 1-3 any one of them oxidation stabilities, feature exist In including the following steps：
Step 1：It is uniform that magnesia, aluminium oxide and Emathlite are added to ball milling mixing in ball mill, add Stearic Acid continuation Ball milling 50-70min；
Step 2：Zinc acetylacetonate, ethyl alcohol and oleic acid are mixed and are stirred by ultrasonic, until solution is clarified, adds step 1 preparation Mixed-powder and then the hydro-thermal reaction 18-22h at 150-160 DEG C, precipitation dehydration and drying is spare；
Step 3：Polyimides is heated to melting, then triethanolamine is added in and Silane coupling reagent KH-570 is uniformly mixed, is sprayed It is sprinkled upon on the particle of step 2 preparation, it is spare after natural cooling；
Step 4：By transformer foundation oil and rice bran oil be mixed and heated to 90-100 DEG C, add polyethyleneimine, aphthenic acids and Mixture prepared by step 3 stirs evenly, and then stirs 110-130min；
Step 5：It after the transformer oil of step 4 is cooled to room temperature, is filtered with plate oil-filter, removes impurity, you can obtained high The transformer oil of oxidation stability.
5. according to the preparation method of the transformer oil of claim 1-4 any one of them oxidation stabilities, which is characterized in that step Rapid one：It is uniform that magnesia, aluminium oxide and Emathlite are added to ball milling mixing in ball mill, Stearic Acid is added and continues ball milling 60min；
Step 2：Zinc acetylacetonate, ethyl alcohol and oleic acid are mixed and are stirred by ultrasonic, until solution is clarified, adds step 1 preparation Mixed-powder and then the hydro-thermal reaction 20h at 155 DEG C, precipitation dehydration and drying is spare；
Step 3：Polyimides is heated to melting, then triethanolamine is added in and Silane coupling reagent KH-570 is uniformly mixed, is sprayed It is sprinkled upon on the particle of step 2 preparation, it is spare after natural cooling；
Step 4：Transformer foundation oil and rice bran oil are mixed and heated to 95 DEG C, add polyethyleneimine, aphthenic acids and step Three mixtures prepared stir evenly, and then stir 120min；
Step 5：It after the transformer oil of step 4 is cooled to room temperature, is filtered with plate oil-filter, removes impurity, you can obtained high The transformer oil of oxidation stability.
CN201711495025.3A 2017-12-31 2017-12-31 A kind of transformer oil of high oxidation stability and preparation method thereof Pending CN108060004A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022122598A1 (en) * 2020-12-07 2022-06-16 Unilever Ip Holdings B.V. Antiperspirant compositions

Citations (5)

* Cited by examiner, † Cited by third party
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