CN106433892A - Antifouling anti-scaling nano-modified transformer insulation oil and preparation method thereof - Google Patents

Antifouling anti-scaling nano-modified transformer insulation oil and preparation method thereof Download PDF

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CN106433892A
CN106433892A CN201610830570.2A CN201610830570A CN106433892A CN 106433892 A CN106433892 A CN 106433892A CN 201610830570 A CN201610830570 A CN 201610830570A CN 106433892 A CN106433892 A CN 106433892A
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nano
oil
transformer insulation
insulation oil
ethyl alcohol
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崔应文
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Tongling Rike Electronics Co Ltd
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Tongling Rike Electronics Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating 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
    • C10M169/04Mixtures of base-materials and additives
    • C10M169/048Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06Metal compounds
    • C10M2201/062Oxides; Hydroxides; Carbonates or bicarbonates
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02Hydroxy compounds
    • C10M2207/023Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/026Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28Esters
    • C10M2207/281Esters of (cyclo)aliphatic monocarboxylic acids
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/08Amides
    • C10M2215/082Amides containing hydroxyl groups; Alkoxylated derivatives
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    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/18Containing nitrogen-to-nitrogen bonds, e.g. hydrazine
    • C10M2215/182Azo compounds
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    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22Heterocyclic nitrogen compounds
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    • C10M2215/222Triazines
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    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
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    • C10M2215/223Five-membered rings containing nitrogen and carbon only
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    • C10M2217/00Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
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    • C10M2219/00Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
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    • C10M2227/04Organic 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
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    • C10N2040/00Specified use or application for which the lubricating composition is intended
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    • C10N2040/16Dielectric; Insulating oil or insulators

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The invention discloses antifouling anti-scaling nano-modified transformer insulation oil which is prepared from, by weight, 1000-1500 parts of mineral base oil, 0.15-0.25 part of silane coupling agents KH-570, 0.01-0.015 part of azodiisobutyronitrile, 0.5-1 part of lauric acid diethanolamide, 0.5-1 part of polyisobutene amine, 0.5-1 part of methyl methacrylate, 0.5-1 part of nanometer aluminum oxide, 1-1.5 parts of 2,6-di-tert-butylphenol, 0.5-1 part of benzotriazole and 0.3-0.5 part of methenamine. The transformer insulation oil has excellent stability and insulating property, can be stored for a long period, keeps good performances, is good in anti-scaling performance and long in service life and has a high practical value.

Description

A kind of anti-soil good antiscale property nano modification transformer insulation oil and preparation method thereof
Technical field
The present invention relates to transformer oil technical field, more particularly, to a kind of anti-soil good antiscale property nano modification transformer insulation oil And preparation method thereof.
Background technology
Paper oil insulation is a kind of typical liquid-solid composite insulation, has a wide range of applications in oil-filled transformer.With Voltage class of electric power system and the continuous lifting of transmission capacity, oil-paper combination insulation has been increasingly difficult to meet voltage levels To Large Copacity, miniaturization, high stability insulation system requirement.In order to lift the performance of transformer insulating system, how to improve The insulation characterisitic of dielectric has become as one of current study hotspot.Transformer oil is that important insulation in transformer is situated between Matter, seeks to improve the effective way of transformer oil insulating properties and heat dispersion, to the efficiency improving transformer station high-voltage side bus and safety Reliability is significant.
At present, for improving the performance of insulating materials, introducing nanometer technology in insulating materials field is an important development Direction.Wherein, the research of nano modification transformer oil brings new raising to traditional transformer oilpaper composite insulation structure Space.Document《The insulating properties of semi-conductor nano particles modification transformer oil and Mechanism Study》Using nano-particle TiO2To change Depressor oil is modified, and finds that the addition of nano-particle can significantly improve the insulation characterisitic of transformer oil.But in practical application, Nano particle is susceptible to reunite, and leads to the reduction of reliability.The dispersion to nano-particle for the conventional surfactant facture The improvement of property and stability is limited, and the insulating properties of nano modification transformer oil can be had a negative impact.Therefore, how Take into account dispersion in transformer oil for the nano-particle, stability and insulating properties, become the current major issue needing and solving.
Content of the invention
The object of the invention is exactly the defect in order to make up prior art, provides one kind to take into account nano-particle dispersion, stability And the anti-soil good antiscale property nano modification transformer insulation oil of superior isolation performance and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of anti-soil good antiscale property nano modification transformer insulation oil, it is to be obtained by the raw material of following weight parts:
Mineral base oil 1000-1500, Silane coupling reagent KH-570 0.15-0.25, azodiisobutyronitrile 0.01-0.015, the moon Cinnamic acid diglycollic amide 0.5-1, PIBA 0.5-1, dioctyl sodium sulfosuccinate 2-4, methyl methacrylate 0.5- 1, nano aluminium oxide 0.5-1,2,6- DI-tert-butylphenol compounds 1-1.5, BTA 0.5-1, methenamine 0.3-0.5.
A kind of preparation method of anti-soil good antiscale property nano modification transformer insulation oil, comprises the following steps:
(1)By Silane coupling reagent KH-570 by weight 1:100-1:150 are mixed with absolute ethyl alcohol, are subsequently adding nano oxygen Change aluminium ultrasonic disperse 5-10min, then in 40-50 DEG C stir 1-2h, centrifugation after cooling, by the solid particle obtaining in 90-100 DEG C of drying and processing 10-15min;
(2)By step(1)In the material that obtains by weight 1:40-1:50 are mixed with absolute ethyl alcohol and ultrasonic disperse 10- 20min, is then slowly added to methyl methacrylate and azodiisobutyronitrile successively and stirs anti-in 60-70 DEG C under nitrogen protection Answer 2-4h, centrifugation after cooling, the solid particle obtaining is used again absolute ethyl alcohol cyclic washing 2-4 time;
(3)First lauric acid diethyl amide, PIBA and dioctyl sodium sulfosuccinate are mixed and be incorporated in 60-80 DEG C of stirring Add in mineral base oil after 1-2h and stir, add step(2)In material and remaining raw material ultrasonic disperse uniformly, Then carry out refined filtration and remove impurity, eventually pass vacuum dehydration degassing, obtain final product anti-soil good antiscale property nano modification transformer insulation oil.
It is an advantage of the invention that:
The present invention carries out surface silanization by Silane coupling reagent KH-570 to nano-particle, then grafted methacrylic acid first Ester, can substantially increase sterically hindered between nano-particle, effectively reduce the mutual aggtegation of nano-particle, improve nanoparticle Sub dispersiveness in transformer oil and stability, improve the insulating properties of nano-particle simultaneously;By raw materials such as ursolic acid Compound synergic, is effectively improved the antifouling property of transformer oil, with remaining raw material be combined after be obtained transformer insulation oil with Excellent stability and insulating properties, can store for a long time and keep good performance, scale-preventing performance is good, service life simultaneously Long, there is higher practical value.
Specific embodiment
A kind of anti-soil good antiscale property nano modification transformer insulation oil, is prepared from by the component raw material of following weight (kg):
Mineral base oil 1000, Silane coupling reagent KH-570 0.15, azodiisobutyronitrile 0.01, lauric acid diethyl amide 0.5, PIBA 0.5, dioctyl sodium sulfosuccinate 2, methyl methacrylate 0.5, nano aluminium oxide 0.5,2,6- bis- Tert-butyl phenol 1, BTA 0.5, methenamine 0.3.
A kind of preparation method of anti-soil good antiscale property nano modification transformer insulation oil, comprises the following steps:
(1)By Silane coupling reagent KH-570 by weight 1:100 are mixed with absolute ethyl alcohol, are subsequently adding nano aluminium oxide and surpass Sound disperses 5min, then stirs 1h in 40 DEG C, centrifugation after cooling, by the solid particle obtaining in 90 DEG C of drying and processings 10min;
(2)By step(1)In the material that obtains by weight 1:40 are mixed with absolute ethyl alcohol and ultrasonic disperse 10min, then nitrogen It is slowly added to methyl methacrylate and azodiisobutyronitrile stirring reaction 2h successively in 60 DEG C under gas shielded, be centrifuged after cooling Separate, the solid particle obtaining is used absolute ethyl alcohol cyclic washing 2 times again;
(3)First lauric acid diethyl amide, PIBA and dioctyl sodium sulfosuccinate are mixed and be incorporated in 60 DEG C of stirring 1h Add in mineral base oil afterwards and stir, add step(2)In material and remaining raw material ultrasonic disperse uniformly, then Carry out refined filtration and remove impurity, eventually pass vacuum dehydration degassing, obtain final product anti-soil good antiscale property nano modification transformer insulation oil.
Above-mentioned mineral base oil chooses sinopec HVI Ia 60 base oil.
Through inspection, above-mentioned prepared transformer insulation oil performance is as follows:
Average frequency breakdown voltage:85.2kV;
Dielectric dissipation factor(90℃):0.00080;
185 DEG C, the heat ageing of 12 weeks process after dielectric dissipation factor(90℃):0.0208;
Standing still kept transparent clarification after 1 year, no precipitated.

Claims (2)

1. a kind of anti-soil good antiscale property nano modification transformer insulation oil is it is characterised in that it is by the raw material system of following weight parts ?:
Mineral base oil 1000-1500, Silane coupling reagent KH-570 0.15-0.25, azodiisobutyronitrile 0.01-0.015, the moon Cinnamic acid diglycollic amide 0.5-1, PIBA 0.5-1, dioctyl sodium sulfosuccinate 2-4, methyl methacrylate 0.5- 1, nano aluminium oxide 0.5-1,2,6- DI-tert-butylphenol compounds 1-1.5, BTA 0.5-1, methenamine 0.3-0.5.
2. the preparation method of a kind of anti-soil good antiscale property nano modification transformer insulation oil according to claim 1, its feature It is, comprise the following steps:
(1)By Silane coupling reagent KH-570 by weight 1:100-1:150 are mixed with absolute ethyl alcohol, are subsequently adding nano oxygen Change aluminium ultrasonic disperse 5-10min, then in 40-50 DEG C stir 1-2h, centrifugation after cooling, by the solid particle obtaining in 90-100 DEG C of drying and processing 10-15min;
(2)By step(1)In the material that obtains by weight 1:40-1:50 are mixed with absolute ethyl alcohol and ultrasonic disperse 10- 20min, is then slowly added to methyl methacrylate and azodiisobutyronitrile successively and stirs anti-in 60-70 DEG C under nitrogen protection Answer 2-4h, centrifugation after cooling, the solid particle obtaining is used again absolute ethyl alcohol cyclic washing 2-4 time;
(3)First lauric acid diethyl amide, PIBA and dioctyl sodium sulfosuccinate are mixed and be incorporated in 60-80 DEG C of stirring Add in mineral base oil after 1-2h and stir, add step(2)In material and remaining raw material ultrasonic disperse uniformly, Then carry out refined filtration and remove impurity, eventually pass vacuum dehydration degassing, obtain final product anti-soil good antiscale property nano modification transformer insulation oil.
CN201610830570.2A 2016-09-19 2016-09-19 Antifouling anti-scaling nano-modified transformer insulation oil and preparation method thereof Withdrawn CN106433892A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105779094A (en) * 2016-04-26 2016-07-20 苏州思创源博电子科技有限公司 Method for preparing transformer insulating heat conduction oil

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105779094A (en) * 2016-04-26 2016-07-20 苏州思创源博电子科技有限公司 Method for preparing transformer insulating heat conduction oil

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
惠晓霞 等: "《国外燃料油和润滑油添加剂发展情况》", 31 October 1964, 中国工业出版社 *
欧风: "《石油产品应用技术手册》", 30 June 1998, 中国石化出版社 *
陆国俊 等: "《电力化学试验技能培训教程》", 31 December 2014, 华南理工大学出版社 *

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