CN105038927A - Composite modified nano particle transformer oil, and preparation method thereof - Google Patents
Composite modified nano particle transformer oil, and preparation method thereof Download PDFInfo
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- CN105038927A CN105038927A CN201510386526.2A CN201510386526A CN105038927A CN 105038927 A CN105038927 A CN 105038927A CN 201510386526 A CN201510386526 A CN 201510386526A CN 105038927 A CN105038927 A CN 105038927A
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- transformer oil
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Abstract
The invention relates to a composite modified nano particle transformer oil, and a preparation method thereof. The composite modified nano particle transformer oil is prepared from, by weight, 0.1 to 1.5% of hydrophobic nano SiO2, 1 to 2% of nano Al2O3, and 10% of an additive mother liquor; the additive mother liquor is prepared from 0.1 to 0.5% of butyl hydroxy anisd (BHA), 0.2 to 0.5% of butylated hydroxytoluene (BHT), 0.05 to 1% of tertiary butylhydroquinone (TBHQ), and 0.3 to 2% of dodecenyl succinic anhydride; and the composite modified nano particle transformer oil with excellent aging resistance and thermal conductivity are obtained via intense mechanism agitation. According to the prepared method, modified nano SiO2 and Al2O3 nano particles are added, so that insulating properties, thermal conductivity, and stability of the composite modified nano particle transformer oil are better than that of pure transformer oil; rust resistance, and aging resistance are better; equipment is simple; operation is convenient; and large-scale production can be realized.
Description
Technical field
The present invention relates to electric and chemical field, particularly relate to a kind of composite modified nanoparticle transformer oil and preparation method.
Background technology
At present, large-scale power transformer mostly is oil-immersed power transformer, the Main Function of transformer oil comprises insulating effect, thermolysis and extinguishing arc effect, and therefore, the heat dispersion of transformer oil and the safety and reliability of insulating property to transformer long-time running play decisive role.Transformer oil is in storage, transport and operational process, under the effect of the factors such as heat, oxygen, electric arc, optical, electrical magnetic field, radiation and the catalyzer such as copper, iron, will occur to be oxidized slowly, the chemical reaction such as cracking and carbonization, generate some oxide compound and condenses (greasy filth) thereof, the material such as produce hydrogen and low molecular hydrocarbon gas and solid X is cured.Transformer oil deterioration, often causes water absorbability to increase, or because the decomposition, oxidation etc. of dielectric make the water content in dielectric strengthen, thus causing the integral insulation degradation of transformer, cooling effect, thermolysis weaken all greatly.Aging past contact can produce greasy filth blocking transformer oil circulation passage, make transformer oil local temperature too high, further acceleration inside transformer part and dielectric aging, and generate much more more foreign material such as micro-water, gas and particulate and infiltrate in oil, above factor causes the lost of life of transformer wet goods dielectric and equipment, and the probability of great insulation fault increases.
Therefore, based on above-mentioned condition, improve heat conductivility, the insulation characterisitic of traditional transformer oil long-time running, research insulating property are higher, the better transformer oil of heat conductivility is extremely urgent.Research at present to nano modification transformer oil, mainly concentrate on the research of nano-fluid electric property, nanotechnology is a study hotspot in the applied research in insulating material field, is one of developing direction of making a breakthrough of insulating material performance.
Summary of the invention
Object of the present invention is to overcome prior art Problems existing exactly, proposes composite modified nanoparticle transformer oil and the preparation method of a kind of anti-aging and good heat conductivity.
To achieve these goals, the technical solution used in the present invention: a kind of composite modified nanoparticle transformer oil, is characterized in that: its components based on weight percentage,
Dewatering nano SiO
20.1%-1.5%
Nanometer Al
2o
31%-2%
Additive mother liquor 10%
Wherein, additive mother liquor: butylated hydroxy anisole (BHA) 0.1-0.5%
Butylated hydroxytoluene (BHT) 0.2-0.5%
Tert. Butyl Hydroquinone (TBHQ) 0.05-1%
Dodecenylsuccinic acid acid anhydride 0.3-2%
Said components, by preparation technology's requirement, obtains composite modified nanoparticle transformer oil through powerful mechanical stirring.
A kind of composite modified nanoparticle transformer oil preparation method, its preparation process is as follows:
1) by weight ratio, by butylated hydroxy anisole (BHA) 0.1-0.5%, butylated hydroxytoluene (BHT) 0.2-0.5%, Tert. Butyl Hydroquinone (TBHQ) 0.05-1%, dodecenylsuccinic acid acid anhydride 0.3-2%, join respectively in naphthenic base oils, heating 60-70 DEG C, stir 10-20min, ultrasonic 15-20min after room temperature cooling, obtains additive mother liquor;
2) with hexamethyldisilazane modified Nano SiO
2particle, by weight ratio, by Nano-meter SiO_2
20.1%-1.5%, nanometer Al
2o
30.1%-2% adds in naphthenic base oils, then powerful mechanical stirring, agitator speed 1500-2500r/min, time 10-30min; Add the additive mother liquor of 10% afterwards, powerful mechanical stirring, agitator speed 1500-2500r/min, time 10-15min, ultrasonic 5-15min obtains composite modified nanoparticle transformer oil.
Beneficial effect of the present invention:
1, a kind of composite modified nanoparticle transformer oil that the present invention relates to is owing to the addition of modified Nano-meter SiO_2
2and Al
2o
3nano particle, transformer oil molecule is tightly enclosed in around nano particle and forms liquid adsorption layer, is commonly referred to nano adsorption layer.Nano adsorption layer is as the transition layer of solid nanoparticles and transformer oil, and its physical attribute also will between nano particle and transformer oil, because SiO
2and Al
2o
3the thermal conductivity of nano particle is far longer than the thermal conductivity of transformer oil, so the thermal conductivity of nano adsorption layer also will be greater than the thermal conductivity of transformer oil, when carrying out heat exchange between nano particle and transformer oil, nano adsorption layer is as heat trnasfer bridge, therefore, pure transformer oil compared by composite modified nanoparticle transformer oil better thermal conductivity; With hexamethyldisilazane modified Nano SiO
2particle, makes Nano-meter SiO_2
2particle surface lipophilicity is stronger, and more not easily reunite, insulativity and the stability of composite modified nanoparticle transformer oil are stronger; The dodecenylsuccinic acid acid anhydride added makes transformer oil have better rustless property; BHA, BHT and TBHQ of adding make transformer oil have better anti ageing property.Composite modified nanoparticle transformer oil of the present invention and preparation method's equipment used simple, easy to operate, can scale operation be realized; The present invention effectively overcomes the problem of traditional transformer oil, and its anti-aging, insulativity, thermal conductivity and stability are enhanced.
2, the specific inductivity of the mixed and modified nanometer transformer oil of the present invention is 2.25, current displacement angle tangent value is 0.002 (90 DEG C), voltage breakdown is 60kV, other performance index are composite transformer oil GB2536-90 quality standard also, the present invention's composite modified nanoparticle transformer oil has good insulativity, thermal conductivity and stability, the work-ing life of transformer can be extended, reduce the failure rate of insulation of transformer.
Embodiment
The invention will be further elaborated by the following examples, but described specific embodiment is not construed as limiting the invention.
Embodiment one
A composite modified nanoparticle transformer oil for anti-aging and good heat conductivity, its components based on weight percentage, dewatering nano SiO
21.5%, nanometer Al
2o
31%, additive mother liquor 10%; Wherein, additive mother liquor comprises: butylated hydroxy anisole (BHA) 0.2%, butylated hydroxytoluene (BHT) 0.3%, Tert. Butyl Hydroquinone (TBHQ) 0.3%, dodecenylsuccinic acid acid anhydride 0.8%; The composite modified nanoparticle transformer oil of anti-aging and good heat conductivity is obtained through powerful mechanical stirring.
The composite modified nanoparticle transformer oil of anti-aging of the present invention and good heat conductivity, concrete preparation process is as follows:
1) by weight ratio, butylated hydroxy anisole (BHA) 0.2%, butylated hydroxytoluene (BHT) 0.3%, Tert. Butyl Hydroquinone (TBHQ) 0.3%, dodecenylsuccinic acid acid anhydride 0.8% are joined in naphthenic base oils respectively, heating 60-70 DEG C, stir 10-20min, ultrasonic 15-20min after room temperature cooling, obtains additive mother liquor;
2) with hexamethyldisilazane modified Nano SiO
2particle, by weight ratio, by Nano-meter SiO_2
21.5%, nanometer Al
2o
31% adds in naphthenic base oils respectively, then powerful mechanical stirring, agitator speed 1500-2500r/min, time 10-30min; Add the additive mother liquor of 10% afterwards, powerful mechanical stirring, agitator speed 1500-2500r/min, time 10-15min, ultrasonic 5-15min obtains the composite modified nanoparticle transformer oil of anti-aging and good heat conductivity.
Embodiment two
A composite modified nanoparticle transformer oil for anti-aging and good heat conductivity, its components based on weight percentage, dewatering nano SiO
21%, nanometer Al
2o
30.5%, additive mother liquor 10%; Wherein, additive mother liquor comprises: butylated hydroxy anisole (BHA) 0.3%, butylated hydroxytoluene (BHT) 0.3%, Tert. Butyl Hydroquinone (TBHQ) 0.5%, dodecenylsuccinic acid acid anhydride 1.2%; The composite modified nanoparticle transformer oil of anti-aging and good heat conductivity is obtained through powerful mechanical stirring.
The composite modified nanoparticle transformer oil of anti-aging of the present invention and good heat conductivity, concrete preparation process is as follows:
1) by weight ratio, butylated hydroxy anisole (BHA) 0.3%, butylated hydroxytoluene (BHT) 0.3%, Tert. Butyl Hydroquinone (TBHQ) 0.5%, dodecenylsuccinic acid acid anhydride 1.2% are joined in naphthenic base oils respectively, heating 60-70 DEG C, stir 10-20min, ultrasonic 15-20min after room temperature cooling, obtains additive mother liquor;
2) with hexamethyldisilazane modified Nano SiO
2particle, by weight ratio, by Nano-meter SiO_2
21%, nanometer Al
2o
30.5% adds in naphthenic base oils respectively, then powerful mechanical stirring, agitator speed 1500-2500r/min, time 10-30min; Add the additive mother liquor of 10% afterwards, powerful mechanical stirring, agitator speed 1500-2500r/min, time 10-15min, ultrasonic 5-15min obtains the composite modified nanoparticle transformer oil of anti-aging and good heat conductivity.
Embodiment three
A composite modified nanoparticle transformer oil for anti-aging and good heat conductivity, its components based on weight percentage, dewatering nano SiO
21.2%, nanometer Al
2o
30.2%, additive mother liquor 10%; Wherein, additive mother liquor comprises: butylated hydroxy anisole (BHA) 0.1%, butylated hydroxytoluene (BHT) 0.5%, Tert. Butyl Hydroquinone (TBHQ) 0.3%, dodecenylsuccinic acid acid anhydride 0.5%; The composite modified nanoparticle transformer oil of anti-aging and good heat conductivity is obtained through powerful mechanical stirring.
The composite modified nanoparticle transformer oil of anti-aging of the present invention and good heat conductivity, concrete preparation process is as follows:
1) by weight ratio, butylated hydroxy anisole (BHA) 0.1%, butylated hydroxytoluene (BHT) 0.5%, Tert. Butyl Hydroquinone (TBHQ) 0.3%, dodecenylsuccinic acid acid anhydride 0.5% are joined in naphthenic base oils respectively, heating 60-70 DEG C, stir 10-20min, ultrasonic 15-20min after room temperature cooling, obtains additive mother liquor;
2) with hexamethyldisilazane modified Nano SiO
2particle, by weight ratio, by Nano-meter SiO_2
21.2%, nanometer Al
2o
30.2% adds in naphthenic base oils respectively, then powerful mechanical stirring, agitator speed 1500-2500r/min, time 10-30min; Add the additive mother liquor of 10% afterwards, powerful mechanical stirring, agitator speed 1500-2500r/min, time 10-15min, ultrasonic 5-15min obtains the composite modified nanoparticle transformer oil of anti-aging and good heat conductivity.
Claims (2)
1. a composite modified nanoparticle transformer oil, is characterized in that: its components based on weight percentage,
Dewatering nano SiO
20.1%-1.5%
Nanometer Al
2o
31%-2%
Additive mother liquor 10%
Wherein, additive mother liquor: butylated hydroxy anisole (BHA) 0.1-0.5%
Butylated hydroxytoluene (BHT) 0.2-0.5%
Tert. Butyl Hydroquinone (TBHQ) 0.05-1%
Dodecenylsuccinic acid acid anhydride 0.3-2%
Said components, by preparation technology's requirement, obtains composite modified nanoparticle transformer oil through powerful mechanical stirring.
2. a kind of composite modified nanoparticle transformer oil preparation method according to claim 1, its preparation process is as follows:
1) by weight ratio, by butylated hydroxy anisole (BHA) 0.1-0.5%, butylated hydroxytoluene (BHT) 0.2-0.5%, Tert. Butyl Hydroquinone (TBHQ) 0.05-1%, dodecenylsuccinic acid acid anhydride 0.3-2%, join respectively in naphthenic base oils, heating 60-70 DEG C, stir 10-20min, ultrasonic 15-20min after room temperature cooling, obtains additive mother liquor;
2) with hexamethyldisilazane modified Nano SiO
2particle, by weight ratio, by Nano-meter SiO_2
20.1%-1.5%, nanometer Al
2o
30.1%-2% adds in naphthenic base oils, then powerful mechanical stirring, agitator speed 1500-2500r/min, time 10-30min; Add the additive mother liquor of 10% afterwards, powerful mechanical stirring, agitator speed 1500-2500r/min, time 10-15min, ultrasonic 5-15min obtains composite modified nanoparticle transformer oil.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106520290A (en) * | 2016-10-29 | 2017-03-22 | 常州亚环环保科技有限公司 | Preparation method of high-antioxidant transformer oil |
CN106590875A (en) * | 2016-12-03 | 2017-04-26 | 马光德 | Nanometer modified transformer oil with excellent heat-dissipating property, and preparation method thereof |
CN106753689A (en) * | 2016-11-25 | 2017-05-31 | 国网山东省电力公司荣成市供电公司 | The method for improving oxidation stability of transformer oil |
CN107123493A (en) * | 2017-04-27 | 2017-09-01 | 广东粤特变压器有限公司 | A kind of SiO insulated with good heat conductivity2Nanometer particle-modified vegetable insulating oil and preparation method |
CN107491649A (en) * | 2017-08-24 | 2017-12-19 | 南方电网科学研究院有限责任公司 | A kind of computational methods and device of nano-particle charge volume |
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CN103952214A (en) * | 2014-04-16 | 2014-07-30 | 江苏倍尔科技发展有限公司 | Thermal conductive transformer oil containing nanometer aluminum oxide |
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2015
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2008071704A1 (en) * | 2006-12-11 | 2008-06-19 | Abb Research Ltd | Insulation liquid |
CN103897435A (en) * | 2014-03-30 | 2014-07-02 | 苏州奈微纳米科技有限公司 | Surface modified silicon dioxide and preparation method thereof |
CN103952214A (en) * | 2014-04-16 | 2014-07-30 | 江苏倍尔科技发展有限公司 | Thermal conductive transformer oil containing nanometer aluminum oxide |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106520290A (en) * | 2016-10-29 | 2017-03-22 | 常州亚环环保科技有限公司 | Preparation method of high-antioxidant transformer oil |
CN106753689A (en) * | 2016-11-25 | 2017-05-31 | 国网山东省电力公司荣成市供电公司 | The method for improving oxidation stability of transformer oil |
CN106590875A (en) * | 2016-12-03 | 2017-04-26 | 马光德 | Nanometer modified transformer oil with excellent heat-dissipating property, and preparation method thereof |
CN107123493A (en) * | 2017-04-27 | 2017-09-01 | 广东粤特变压器有限公司 | A kind of SiO insulated with good heat conductivity2Nanometer particle-modified vegetable insulating oil and preparation method |
CN107491649A (en) * | 2017-08-24 | 2017-12-19 | 南方电网科学研究院有限责任公司 | A kind of computational methods and device of nano-particle charge volume |
CN107491649B (en) * | 2017-08-24 | 2020-03-27 | 南方电网科学研究院有限责任公司 | Method and device for calculating nanoparticle charge amount |
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Application publication date: 20151111 |