CN104130827B - Transformer oil of aluminium nitride-TiOx nano particle that a kind of corrosion resistance is strong and preparation method thereof - Google Patents

Abstract

The invention discloses the transformer oil of aluminium nitride-TiOx nano particle that a kind of corrosion resistance is strong, it is characterized in that, raw material by following weight portion is made: naphthenic base oils 1000-1200, aluminium nitride 2-3,2,5-di-tert-butyl hydroquinone 0.2-0.5,2-aminoethyl 17 alkenyl imidazoline 0.2-0.5, sulphur phosphorus fourth octyl group zinc salt 0.2-0.5, titanium oxide 1-3, organobentonite 0.5-0.7, ethyl-para-hydroxybenzoate 0.2-0.5, melamine 0.2-0.5, auxiliary agent 0.5-1.0; Adopt absolute ethyl alcohol ball-milling method to prepare nano-powder, device therefor is simple, easy to operate; The aluminium nitride and the TiOx nano particle that add have played the moistureproof anti-oxidant ultraviolet effect of resisting in transformer oil; The sulphur phosphorus fourth octyl group zinc salt adding has been strengthened the antioxidant anticorrosive function of transformer oil; The auxiliary agent adding has been strengthened the resistance to oxidation of transformer oil, the moistureproof effect such as cooling, and the present invention has solved the problem of the perishable oxidation of traditional transformer oil effectively, has extended the service life of transformer oil, has reduced potential safety hazard.

Description

Transformer oil of aluminium nitride-TiOx nano particle that a kind of corrosion resistance is strong and preparation method thereof

Technical field

The present invention relates to chemical field, relate in particular to transformer oil of aluminium nitride-TiOx nano particle that a kind of corrosion resistance is strong and preparation method thereof.

Background technology

Transformer oil claims again insulating oil, refers to from the mineral type insulating oil of the natural path class mixture of petroleum refining. Good transformer oil should be clean and transparent liquid, deposit-free, mechanical admixture suspension and flocculence material. Transformer oil is one of stock using in power transmission system, in many oil-filled electric equipments, mainly play insulation, cooling and heat radiation effect, because electrical equipment is in electric power course of conveying, transformer oil can be subject to the impact of the factors such as oxygen, temperature, electric field, metal and insulating materials and be oxidized, the chemical reaction such as cracking, generate the oxides such as a large amount of peroxide and alcohol, ketone, aldehyde, oxide condensation generates the insoluble matters such as greasy filth, can cause oil product cracking, oil declines, and reduces oily service life. Therefore antioxidant anticorrosive this respect is the important indicator of transformer oil.

Nowadays people have had very deep understanding to the various aspects of performance of transformer oil, along with the rise of nanometer technology, people attempt nano material to add in transformer oil, research show nano modification transformer oil in heat conduction, puncture, aging and anti-moisture effects has very large facilitation.

Aluminium nitride thermal conductivity is good, thermal coefficient of expansion is little, electrical insulator and the character such as dielectric properties are good, titanium oxide thermal conductivity is good, high temperature resistant, ultraviolet ray is had to the character such as barrier effect and stable chemical nature, they made to nano material and be added to the functions such as the protection against the tide that promotes to a great extent transformer oil in transformer oil, anti-oxidant, cooling and insulation. The present invention's class materials such as adding sulphur phosphorus fourth octyl group zinc salt that also looks for another way has been strengthened the antioxidant anticorrosive function of transformer oil.

Summary of the invention

The object of this invention is to provide aluminium nitride-TiOx nano particle transformer oil that a kind of corrosion resistance is strong and preparation method thereof.

In order to realize the object of the invention, implement by the following technical programs:

Aluminium nitride-TiOx nano particle transformer oil that a kind of corrosion resistance is strong, raw material by following weight portion is made: naphthenic base oils 1000-1200, aluminium nitride 2-3,2,5-di-tert-butyl hydroquinone 0.2-0.5,2-aminoethyl 17 alkenyl imidazoline 0.2-0.5, sulphur phosphorus fourth octyl group zinc salt 0.2-0.5, titanium oxide 1-3, organobentonite 0.5-0.7, ethyl-para-hydroxybenzoate 0.2-0.5, melamine 0.2-0.5, auxiliary agent 0.5-1.0;

Described auxiliary agent is made up of the raw material of following weight portion: propylparaben 1-2, ethoxyquinoline 2-3, N, N'-bis-salicylidene propane diamine 0.5-1.0, sodium tungstate 0.5-1.0, expanded vermiculite powder 2-4, silica white 2-3, silane resin acceptor kh-550 1-2, the smooth trioleate 1-2 of sorb, dimethicone 10-15, naphthenic base oils 80-90; Preparation method is: sodium tungstate, expanded vermiculite powder, silica white and propylparaben blend are ground and made nano-powder, this nano-powder is mixed with remaining component, under 1200-1400 rev/min, stir 20-50 minute.

The transformer oil of aluminium nitride-TiOx nano particle that corrosion resistance of the present invention is strong, made by following concrete steps:

(1) aluminium nitride and titanium oxide are added in ball mill, then add 10-15 times of absolute ethyl alcohol at 500-700 rev/min of lower ball milling 60-90 hour, after finishing, this liquid rotating is moved to and revolves steaming instrument, revolve to steam and remove ethanol, can obtain dry nano-powder;

(2) naphthenic base oils is heated to 260 ~ 280 ° of C, add successively again nano-powder dry in (1), 2,5-di-tert-butyl hydroquinone, organobentonite, ethyl-para-hydroxybenzoate 2-aminoethyl 17 alkenyl imidazolines, sulphur phosphorus fourth octyl group zinc salt, melamine and auxiliary agent mix, under 1200-1400 rev/min of high speed dispersor, stir after 0.5-1.0 hour, be incubated 2 ~ 3 hours;

(3) transformer oil in (2) is cooled to after room temperature, filters, obtain the transformer oil that contains aluminum nitride nanometer particle after removing impurity.

The present invention adopts absolute ethyl alcohol ball-milling method to prepare nano-powder, and device therefor is simple, easy to operate; The aluminium nitride and the TiOx nano particle that add have played the moistureproof anti-oxidant ultraviolet effect of resisting in transformer oil; The sulphur phosphorus fourth octyl group zinc salt adding has been strengthened the antioxidant anticorrosive function of transformer oil; The auxiliary agent adding has been strengthened the resistance to oxidation of transformer oil, the moistureproof effect such as cooling, and the present invention has solved the problem of the perishable oxidation of traditional transformer oil effectively, has extended the service life of transformer oil, has reduced potential safety hazard.

Specific embodiments

Below by instantiation, the present invention is described in detail.

Aluminium nitride-TiOx nano particle transformer oil that a kind of corrosion resistance is strong, by following weight portion (kilogram) raw material make: naphthenic base oils 1200, aluminium nitride 3,2,5-di-tert-butyl hydroquinone 0.2,2-aminoethyl 17 alkenyl imidazolines 0.3, sulphur phosphorus fourth octyl group zinc salt 0.4, titanium oxide 2, organobentonite 0.5, ethyl-para-hydroxybenzoate 0.3, melamine 0.3, auxiliary agent 1.0;

Described auxiliary agent by following weight portion (kilogram) raw material make: propylparaben 1, ethoxyquinoline 2, N, N'-bis-salicylidene propane diamine 0.5, sodium tungstate 0.5, expanded vermiculite powder 4, silica white 3, silane resin acceptor kh-550 1, the smooth trioleate 2 of sorb, dimethicone 12, naphthenic base oils 90; Preparation method is: sodium tungstate, expanded vermiculite powder, silica white and propylparaben blend are ground and made nano-powder, this nano-powder is mixed with remaining component, under 1200-1400 rev/min, stir 20-50 minute.

The transformer oil of aluminium nitride-TiOx nano particle that corrosion resistance of the present invention is strong, made by following concrete steps:

(1) aluminium nitride and titanium oxide are added in ball mill, then add 10-15 times of absolute ethyl alcohol at 500-700 rev/min of lower ball milling 60-90 hour, after finishing, this liquid rotating is moved to and revolves steaming instrument, revolve to steam and remove ethanol, can obtain dry nano-powder;

(2) naphthenic base oils is heated to 260 ~ 280 ° of C, add successively again nano-powder dry in (1), 2,5-di-tert-butyl hydroquinone, organobentonite, ethyl-para-hydroxybenzoate 2-aminoethyl 17 alkenyl imidazolines, sulphur phosphorus fourth octyl group zinc salt, melamine and auxiliary agent mix, under 1200-1400 rev/min of high speed dispersor, stir after 0.5-1.0 hour, be incubated 2 ~ 3 hours;

(3) transformer oil in (2) is cooled to after room temperature, filters, obtain the transformer oil that contains aluminum nitride nanometer particle after removing impurity.

The work breakdown voltage of transformer oil of the present invention exceedes 80KV, and dielectric constant is that 2.31,90 ° of C current displacement angle tangent values are 0.0001, and specific insulation is 9 × 10¹²Ω m, other performance indications also meet transformer oil GB2536-90 quality standard, use transformer oil of the present invention can have the function of good moistureproof heat radiation, anti-oxidant, anticorrosive and insulation, can extend the service life of transformer oil.

Claims (2)

1. the transformer oil of aluminium nitride-TiOx nano particle that a corrosion resistance is strong, it is characterized in that, raw material by following weight portion is made: naphthenic base oils 1000-1200, aluminium nitride 2-3,2,5-di-tert-butyl hydroquinone 0.2-0.5,2-aminoethyl 17 alkenyl imidazoline 0.2-0.5, sulphur phosphorus fourth octyl group zinc salt 0.2-0.5, titanium oxide 1-3, organobentonite 0.5-0.7, ethyl-para-hydroxybenzoate 0.2-0.5, melamine 0.2-0.5, auxiliary agent 0.5-1.0; Described auxiliary agent is made up of the raw material of following weight portion: propylparaben 1-2, ethoxyquinoline 2-3, N, N'-bis-salicylidene propane diamine 0.5-1.0, sodium tungstate 0.5-1.0, expanded vermiculite powder 2-4, silica white 2-3, silane resin acceptor kh-550 1-2, the smooth trioleate 1-2 of sorb, dimethicone 10-15, naphthenic base oils 80-90; Preparation method is: sodium tungstate, expanded vermiculite powder, silica white and propylparaben blend are ground and made nano-powder, this nano-powder is mixed with remaining component, under 1200-1400 rev/min, stir 20-50 minute.

2. a preparation method for the transformer oil of aluminium nitride-TiOx nano particle that corrosion resistance as claimed in claim 1 is strong, is characterized in that, this preparation method comprises the following steps:

(1) aluminium nitride and titanium oxide are added in ball mill, then add 10-15 times of absolute ethyl alcohol at 500-700 rev/min of lower ball milling 60-90 hour, after finishing, this liquid rotating is moved to and revolves steaming instrument, revolve to steam and remove ethanol, can obtain dry nano-powder;

(2) naphthenic base oils is heated to 260 ~ 280 ° of C, add successively again nano-powder dry in (1), 2,5-di-tert-butyl hydroquinone, organobentonite, ethyl-para-hydroxybenzoate 2-aminoethyl 17 alkenyl imidazolines, sulphur phosphorus fourth octyl group zinc salt, melamine and auxiliary agent mix, under 1200-1400 rev/min of high speed dispersor, stir after 0.5-1.0 hour, be incubated 2 ~ 3 hours;

(3) transformer oil in (2) is cooled to after room temperature, filters, remove the transformer oil that obtains aluminium nitride-TiOx nano particle that corrosion resistance is strong after impurity.