CN107201264A - A kind of high stability heat conductive flame-retarding transformer oil and preparation method thereof - Google Patents
A kind of high stability heat conductive flame-retarding transformer oil and preparation method thereof Download PDFInfo
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- CN107201264A CN107201264A CN201710420479.8A CN201710420479A CN107201264A CN 107201264 A CN107201264 A CN 107201264A CN 201710420479 A CN201710420479 A CN 201710420479A CN 107201264 A CN107201264 A CN 107201264A
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
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- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
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Abstract
The invention discloses a kind of high stability heat conductive flame-retarding transformer oil, include the raw material of following parts by weight：800 900 parts of naphthenic base oils, 10 20 parts of butyl titanate, 0.5 part of lauryl alcohol phosphoesterase 30 .3,0.2 0.5 parts of HPMA, 0.8 1.2 parts of antioxidant, 0.4 0.6 parts of metal deactivator, 25 parts of nano-oxide additive, 0.4 0.6 parts of fire retardant, 0.6 1 parts of silane coupler, 0.7 1.2 parts of Synergistic additives.The high stability heat conductive flame-retarding transformer of the present invention has preferable thermal conductivity, stability, insulating properties and fire resistance with oil, in addition the transformer oil not oxidizable, aging, corrosion in high temperature environments, the nano-oxide and Synergistic additives of addition can make the transformer oil of preparation clarify free from admixture, oxidisability reduction, stability reinforcement, extend the service life of transformer oil；While the raw material components of the present invention are safe and reliable, cost is relatively low, technique is concise, with higher practical value and good application prospect.
Description
Technical field
The present invention relates to transformer material technical field, and in particular to a kind of high stability heat conductive flame-retarding transformer oil and
Its preparation method.
Background technology
Transformer oil is also known as insulating oil, refers to the mineral type insulating oil from the natural path class mixture of petroleum refining.Transformation
The electrical strength of device oil is higher than air 4-7 times, therefore makees dielectric with it and can be substantially reduced the volume of transformer.Transformer oil
Electrical strength is high, and after oil is breakdown, insulation can recover, and will not leave behind permanent discharge channel, therefore transformer oil
It is widely used.Transformer oil dielectric strength is high, is mainly used in the electrical apparatus as dielectric, and because of specific heat capacity
It is larger, therefore also make cooling medium, make blow-out Jie in breaker and load ratio bridging switch and starting compensator
Matter uses and served cooling contact.In high-tension cable, oil plays filling, dipping, to remove inside cable
Gas, improves electrical strength.In oiled paper capacitor, oil play filling, proofing, insulation, with improve capacitance with
Dielectric strength.The gas mixture produced is decomposed because arc extinguishing intensity depends primarily on oil gas.
Transformer oil belongs to easy fuel oil, and artificial oil is not included typically, i.e., do not include not fuel oil and high ignition point oil.Not so oil has poly-
Two kinds of chlordiphenyl (PCB) and fluorocarbon oil, and high ignition point oil has silicone oil, α oil, β oil, M oily, poly- α alkene, detergent alkylate, E
Oil, γ oil.The burning-point of transformer oil is 165 DEG C, and the burning-point of high ignition point oil, more than 300 DEG C, fuel oil is not to catch fire
's.High ignition point oil is also known as flame retardant oil, is used primarily in burning point oil immersed transformer, flame retardant oil load ratio bridging switch, capacitor, electricity
The occasions such as cable.PCB without fuel oil has been disabled because carcinogenic poisonous, and fluorocarbon oil is few because of the high goods of valency, is seldom used.Good transformation
Device oil should be cleaned and transparent liquid, deposit-free, mechanical admixture suspension and flocculence material.Transformer oil is electric power
One of most basic material used in induction system, primarily serves insulation, cooling and radiating in many oil-filled electric equipments
Effect.Such as iron core inside transformer and coil are immersed in transformer oil, completely cut off itself and air and moisture, transformer oil can make change
Between depressor line end, between high-tension coil and low-voltage coil, there is good insulation between coil and the iron core and oil tank wall of ground connection, and
Have and distribute heat absorption by circulation again, here it is the insulation and thermolysis of transformer oil, the specific heat of transformer oil
Greatly, cooling effect can thus be played.
Nowadays people have very deep understanding to the various aspects of performance of transformer oil, with the rise of nanometer technology,
People attempt nano material is added in transformer oil, research show nano modification transformer oil heat conduction, puncture, aging with
And water resistant point influence has very big facilitation.
The content of the invention
For the defect of prior art, it is an object of the invention to provide a kind of high stability heat conductive flame-retarding transformer oil,
The transformer has preferable thermal conductivity, stability, insulating properties and fire resistance with oil, and the transformer oil is in high temperature ring in addition
Not oxidizable under border, aging, corrosion, the nano-oxide and Synergistic additives of addition can be such that the transformer oil of preparation clarifies without miscellaneous
Matter, oxidisability reduction, stability are strengthened, and extend the service life of transformer oil；Simultaneously the present invention raw material components it is safe and reliable,
Cost is relatively low, and technique is concise, with higher practical value and good application prospect.
The present invention solves technical problem and adopted the following technical scheme that：
The invention provides a kind of high stability heat conductive flame-retarding transformer oil, include the raw material of following parts by weight：
800-900 parts of naphthenic base oils, 10-20 parts of butyl titanate .3-0.5 parts of lauryl alcohol phosphoesterase 30, HPMA
0.2-0.5 parts, 0.8-1.2 parts of antioxidant, 0.4-0.6 parts of metal deactivator, 2-5 parts of nano-oxide additive, fire retardant
0.4-0.6 parts, 0.6-1 parts of silane coupler, 0.7-1.2 parts of Synergistic additives.
Preferably, the high stability heat conductive flame-retarding transformer includes the raw material of following parts by weight with oil：
850 parts of naphthenic base oils, 15 parts of butyl titanate .4 parts of lauryl alcohol phosphoesterase 30,0.35 part of HPMA, antioxygen
1 part of agent, 0.5 part of metal deactivator, 3.5 parts of nano-oxide additive, 0.5 part of fire retardant, 0.8 part of silane coupler, synergy
1.1 parts of additive.
Preferably, the antioxidant is phenolic antioxidant and esters antioxidant according to weight ratio 1:The mixture of 2 compositions, institute
It is 2 to state phenolic antioxidant, 6-BHT or 2, and one kind in 6-di-tert-butylphenol, the esters antioxidant is sulphur
For dipropyl acid diesters.
Preferably, the metal deactivator is BTA and 2- methyl-BTA according to weight ratio 2:1 composition
Mixture.
Preferably, the nano-oxide additive is nano aluminium oxide, nano-titanium oxide, nano zircite according to weight
Than 2:1:The mixture of 1 composition.
Preferably, the fire retardant is red phosphorus combustion inhibitor.
Preferably, the Synergistic additives be sodium tungstate, expanded vermiculite powder, silica white and propylparaben according to
Weight compares 1:1:4:Nano-powder is made in 3 blending grindings.
The present invention also provides a kind of preparation method of high stability heat conductive flame-retarding transformer oil, comprises the following steps：
Step one, weigh on request and prepare each component raw material；
Nano-oxide additive, fire retardant, silane coupler and Synergistic additives are mixed 10-20 times of its weight by step 2
In absolute ethyl alcohol feeding ball grinder, the 5-9 hour of ball milling under 1000-1200r/min, after terminating, the liquid is transferred to rotation
Instrument is steamed, revolving removes ethanol, obtains dry nano-powder A；
Step 3, naphthenic base oils are well mixed with butyl titanate, then are passed through aqueous nitrogen, in 50-80 DEG C of temperature
Lower reaction 1-3h, after reaction terminates, obtained mixture is removed at a temperature of 60-100 DEG C the moisture of residual, obtains miscella
B；
Step 4,265-275 DEG C is heated to by miscella B made from step 3, sequentially adds the nano-powder of step 2 preparation
A, lauryl alcohol phosphate, HPMA, antioxidant, Synergistic additives mixing, under 1200-1400r/min high speed dispersors
After stirring 1-2 hours, 2-4 hours are incubated, the high stability heat conductive flame-retarding transformer oil that the present invention is produced after room temperature is cooled to.
Preferably, the high stability heat conductive flame-retarding transformer is with the preparation process of oil：
Step one, weigh on request and prepare each component raw material；
Nano-oxide additive, fire retardant, silane coupler and Synergistic additives are mixed 15 times of its weight anhydrous by step 2
In ethanol feeding ball grinder, 7 hours of ball milling under 1100r/min, after terminating, the liquid is transferred to revolving instrument, revolving is removed
Ethanol is removed, dry nano-powder A is obtained；
Step 3, naphthenic base oils are well mixed with butyl titanate, then are passed through aqueous nitrogen, anti-at a temperature of 75 DEG C
2h is answered, reacts after terminating, obtained mixture is removed to the moisture of residual at a temperature of 80 DEG C, miscella B is obtained；
Step 4,270 DEG C are heated to by miscella B made from step 3, sequentially add step 2 preparation nano-powder A, ten
Glycol phosphate, HPMA, antioxidant, Synergistic additives mixing, stir 1.5 small under 1300r/min high speed dispersors
Shi Hou, is incubated 3 hours, is cooled to the high stability heat conductive flame-retarding transformer oil that the present invention is produced after room temperature.
Compared with prior art, the present invention has following beneficial effect：
（1）A kind of high stability heat conductive flame-retarding transformer of present invention nano-oxide additive of oil addition, be predominantly
Nano aluminium oxide, nano-titanium oxide, the mixture of nano zircite composition, it has, and dielectric property is good, stability is high, heat conduction
Property is good, thermal coefficient of expansion is small, several persons synergy be applied to largely to improve in transformer oil its insulation, it is moistureproof,
Extinguishing arc and the performance of radiating, enhance thermal conductivity, stability and the insulating properties of transformer oil.
（2）A kind of high stability heat conductive flame-retarding transformer of the present invention is with the oily Synergistic additives used for sodium tungstate, swollen
The mixture of swollen vermiculite power, silica white and propylparaben composition, it can make transformer oil clarify free from admixture, oxidisability
Reduction, stability are strengthened, the service life of extension transformer oil clarification.
（3）The antioxidant that a kind of high stability heat conductive flame-retarding transformer of the present invention is used with oil is mainly phenolic antioxidant
The mixture constituted with esters antioxidant, the antiseptic and rustproof and anti-of transformer oil can be effectively increased by coordinating the metal deactivator of addition
The performance of scale inhibition, improves the burning-point of transformer oil.
（4）A kind of high stability heat conductive flame-retarding transformer of the present invention is red phosphorus combustion inhibitor with the fire retardant of oil addition, its
With excellent heat endurance, fixedness does not produce corrosive gas, and good flame retardation effect, the features such as electrical insulating property is good can have
Effect improves the fire resistance of case material, strengthens its anti-dangerous ability.
（5）The present invention a kind of high stability heat conductive flame-retarding transformer with oil have preferable thermal conductivity, stability, absolutely
Edge and fire resistance, the transformer oil not oxidizable, aging, corrosion in high temperature environments in addition, addition it is nano oxidized
Thing and Synergistic additives can make the transformer oil of preparation clarify free from admixture, oxidisability reduction, stability reinforcement, extend transformer oil
Service life；While the raw material components of the present invention are safe and reliable, cost is relatively low, technique is concise, with higher practical value
With good application prospect.
Embodiment
With reference to specific embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, shown
So, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the reality in the present invention
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all belongs to
In the scope of protection of the invention.
Embodiment 1.
A kind of high stability heat conductive flame-retarding transformer oil of the present embodiment, includes the raw material of following parts by weight：
800 parts of naphthenic base oils, 10 parts of butyl titanate .3 parts of lauryl alcohol phosphoesterase 30,0.2 part of HPMA, antioxidant
0.8 part, 0.4 part of metal deactivator, 2 parts of nano-oxide additive, 0.4 part of fire retardant, 0.6 part of silane coupler, synergy adds
Plus 0.7 part of agent.
Antioxidant in the present embodiment is phenolic antioxidant and esters antioxidant according to weight ratio 1:The mixture of 2 compositions,
The phenolic antioxidant is 2,6-BHT, and the esters antioxidant is didodecyl thiodipropionate.
Metal deactivator in the present embodiment is BTA and 2- methyl-BTA according to weight ratio 2:1 group
Into mixture.
Nano-oxide additive in the present embodiment is nano aluminium oxide, nano-titanium oxide, nano zircite are according to weight
Amount compares 2:1:The mixture of 1 composition.Fire retardant in the present embodiment is red phosphorus combustion inhibitor.
Synergistic additives in the present embodiment are pressed for sodium tungstate, expanded vermiculite powder, silica white and propylparaben
Compare 1 according to weight:1:4:Nano-powder is made in 3 blending grindings.
A kind of preparation method of high stability heat conductive flame-retarding transformer oil of the present embodiment, comprises the following steps：
Step one, weigh on request and prepare each component raw material；
Nano-oxide additive, fire retardant, silane coupler and Synergistic additives are mixed 10 times of its weight anhydrous by step 2
In ethanol feeding ball grinder, 5 hours of ball milling under 1000r/min, after terminating, the liquid is transferred to revolving instrument, revolving is removed
Ethanol is removed, dry nano-powder A is obtained；
Step 3, naphthenic base oils are well mixed with butyl titanate, then are passed through aqueous nitrogen, anti-at a temperature of 50 DEG C
1h is answered, reacts after terminating, obtained mixture is removed to the moisture of residual at a temperature of 60 DEG C, miscella B is obtained；
Step 4,265 DEG C are heated to by miscella B made from step 3, sequentially add step 2 preparation nano-powder A, ten
Glycol phosphate, HPMA, antioxidant, Synergistic additives mixing, are stirred 1 hour under 1200r/min high speed dispersors
Afterwards, 2 hours are incubated, are cooled to the high stability heat conductive flame-retarding transformer oil that the present invention is produced after room temperature.
Embodiment 2.
A kind of high stability heat conductive flame-retarding transformer oil of the present embodiment, includes the raw material of following parts by weight：
900 parts of naphthenic base oils, 20 parts of butyl titanate .5 parts of lauryl alcohol phosphoesterase 30,0.5 part of HPMA, antioxidant
1.2 parts, 0.6 part of metal deactivator, 5 parts of nano-oxide additive, 0.6 part of fire retardant, 1 part of silane coupler, synergy addition
1.2 parts of agent.
Antioxidant in the present embodiment is phenolic antioxidant and esters antioxidant according to weight ratio 1:The mixture of 2 compositions,
The phenolic antioxidant is 2,6-di-tert-butylphenol, and the esters antioxidant is didodecyl thiodipropionate.
Metal deactivator in the present embodiment is BTA and 2- methyl-BTA according to weight ratio 2:1 group
Into mixture.
Nano-oxide additive in the present embodiment is nano aluminium oxide, nano-titanium oxide, nano zircite are according to weight
Amount compares 2:1:The mixture of 1 composition.Fire retardant in the present embodiment is red phosphorus combustion inhibitor.
Synergistic additives in the present embodiment are pressed for sodium tungstate, expanded vermiculite powder, silica white and propylparaben
Compare 1 according to weight:1:4:Nano-powder is made in 3 blending grindings.
A kind of preparation method of high stability heat conductive flame-retarding transformer oil of the present embodiment, comprises the following steps：
Step one, weigh on request and prepare each component raw material；
Nano-oxide additive, fire retardant, silane coupler and Synergistic additives are mixed 20 times of its weight anhydrous by step 2
In ethanol feeding ball grinder, 9 hours of ball milling under 1200r/min, after terminating, the liquid is transferred to revolving instrument, revolving is removed
Ethanol is removed, dry nano-powder A is obtained；
Step 3, naphthenic base oils are well mixed with butyl titanate, then are passed through aqueous nitrogen, anti-at a temperature of 80 DEG C
3h is answered, reacts after terminating, obtained mixture is removed to the moisture of residual at a temperature of 100 DEG C, miscella B is obtained；
Step 4,275 DEG C are heated to by miscella B made from step 3, sequentially add step 2 preparation nano-powder A, ten
Glycol phosphate, HPMA, antioxidant, Synergistic additives mixing, are stirred 2 hours under 1400r/min high speed dispersors
Afterwards, 4 hours are incubated, are cooled to the high stability heat conductive flame-retarding transformer oil that the present invention is produced after room temperature.
Embodiment 3.
A kind of high stability heat conductive flame-retarding transformer oil of the present embodiment, includes the raw material of following parts by weight：
850 parts of naphthenic base oils, 15 parts of butyl titanate .4 parts of lauryl alcohol phosphoesterase 30,0.35 part of HPMA, antioxygen
1 part of agent, 0.5 part of metal deactivator, 3.5 parts of nano-oxide additive, 0.5 part of fire retardant, 0.8 part of silane coupler, synergy
1.1 parts of additive.
Antioxidant in the present embodiment is phenolic antioxidant and esters antioxidant according to weight ratio 1:The mixture of 2 compositions,
The phenolic antioxidant is 2,6-BHT, and the esters antioxidant is didodecyl thiodipropionate.
Metal deactivator in the present embodiment is BTA and 2- methyl-BTA according to weight ratio 2:1 group
Into mixture.
Nano-oxide additive in the present embodiment is nano aluminium oxide, nano-titanium oxide, nano zircite are according to weight
Amount compares 2:1:The mixture of 1 composition.Fire retardant in the present embodiment is red phosphorus combustion inhibitor.
Synergistic additives in the present embodiment are pressed for sodium tungstate, expanded vermiculite powder, silica white and propylparaben
Compare 1 according to weight:1:4:Nano-powder is made in 3 blending grindings.
A kind of preparation method of high stability heat conductive flame-retarding transformer oil of the present embodiment, comprises the following steps：
Step one, weigh on request and prepare each component raw material；
Nano-oxide additive, fire retardant, silane coupler and Synergistic additives are mixed 15 times of its weight anhydrous by step 2
In ethanol feeding ball grinder, 7 hours of ball milling under 1100r/min, after terminating, the liquid is transferred to revolving instrument, revolving is removed
Ethanol is removed, dry nano-powder A is obtained；
Step 3, naphthenic base oils are well mixed with butyl titanate, then are passed through aqueous nitrogen, anti-at a temperature of 75 DEG C
2h is answered, reacts after terminating, obtained mixture is removed to the moisture of residual at a temperature of 80 DEG C, miscella B is obtained；
Step 4,270 DEG C are heated to by miscella B made from step 3, sequentially add step 2 preparation nano-powder A, ten
Glycol phosphate, HPMA, antioxidant, Synergistic additives mixing, stir 1.5 small under 1300r/min high speed dispersors
Shi Hou, is incubated 3 hours, is cooled to the high stability heat conductive flame-retarding transformer oil that the present invention is produced after room temperature.
The performance test results of high stability heat conductive flame-retarding transformer oil prepared by various embodiments above are as follows：
| Breakdown voltage KV | Dielectric constant | Flash-point DEG C | 90 DEG C of dielectric loss tangents | |
| Embodiment 1 | 85 | 2.46 | 240 | 0.2% |
| Embodiment 2 | 84 | 2.53 | 240 | 0.2% |
| Embodiment 3 | 84 | 2.47 | 238 | 0.2% |
| Comparative example | 70 | 2.26 | 180 | 0.3% |
The present invention a kind of high stability heat conductive flame-retarding transformer with oil have preferable thermal conductivity, stability, insulating properties and
Fire resistance, the in addition transformer oil not oxidizable, aging, corrosion in high temperature environments, the nano-oxide of addition and synergy
Additive can make the transformer oil of preparation clarify free from admixture, oxidisability reduction, stability reinforcement, extend the use longevity of transformer oil
Life；While the raw material components of the present invention are safe and reliable, cost is relatively low, technique is concise, with higher practical value and well
Application prospect.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (9)
1. a kind of high stability heat conductive flame-retarding transformer oil, it is characterised in that include the raw material of following parts by weight：
800-900 parts of naphthenic base oils, 10-20 parts of butyl titanate .3-0.5 parts of lauryl alcohol phosphoesterase 30, HPMA
0.2-0.5 parts, 0.8-1.2 parts of antioxidant, 0.4-0.6 parts of metal deactivator, 2-5 parts of nano-oxide additive, fire retardant
0.4-0.6 parts, 0.6-1 parts of silane coupler, 0.7-1.2 parts of Synergistic additives.
2. a kind of high stability heat conductive flame-retarding transformer oil according to claim 1, it is characterised in that the high stable
Property heat conductive flame-retarding transformer include the raw material of following parts by weight with oil：
850 parts of naphthenic base oils, 15 parts of butyl titanate .4 parts of lauryl alcohol phosphoesterase 30,0.35 part of HPMA, antioxygen
1 part of agent, 0.5 part of metal deactivator, 3.5 parts of nano-oxide additive, 0.5 part of fire retardant, 0.8 part of silane coupler, synergy
1.1 parts of additive.
3. a kind of high-low voltage electric power distribution cabinet weather-resistance flame-retardant case material according to claim 1 or 2, it is characterised in that institute
It is phenolic antioxidant and esters antioxidant according to weight ratio 1 to state antioxidant:The mixture of 2 compositions, the phenolic antioxidant is 2,
One kind in 6-BHT or 2,6-di-tert-butylphenol, the esters antioxidant is didodecyl thiodipropionate.
4. a kind of high stability heat conductive flame-retarding transformer oil according to claim 1 or 2, it is characterised in that the gold
Category inhibitor is BTA and 2- methyl-BTA according to weight ratio 2:The mixture of 1 composition.
5. a kind of high stability heat conductive flame-retarding transformer oil according to claim 1 or 2, it is characterised in that described to receive
Rice oxide addition is nano aluminium oxide, nano-titanium oxide, nano zircite compare 2 according to weight:1:The mixture of 1 composition.
6. a kind of high stability heat conductive flame-retarding transformer oil according to claim 1 or 2, it is characterised in that the resistance
Combustion agent is red phosphorus combustion inhibitor.
7. a kind of high stability heat conductive flame-retarding transformer oil according to claim 1 or 2, it is characterised in that described to increase
Effect additive is sodium tungstate, expanded vermiculite powder, silica white and propylparaben according to weight ratio 1:1:4:3 blending grindings
Nano-powder is made.
8. a kind of method for preparing high stability heat conductive flame-retarding transformer oil as claimed in claim 1 or 2, its feature exists
In comprising the following steps：
Step one, weigh on request and prepare each component raw material；
Nano-oxide additive, fire retardant, silane coupler and Synergistic additives are mixed 10-20 times of its weight by step 2
In absolute ethyl alcohol feeding ball grinder, the 5-9 hour of ball milling under 1000-1200r/min, after terminating, the liquid is transferred to rotation
Instrument is steamed, revolving removes ethanol, obtains dry nano-powder A；
Step 3, naphthenic base oils are well mixed with butyl titanate, then are passed through aqueous nitrogen, in 50-80 DEG C of temperature
Lower reaction 1-3h, after reaction terminates, obtained mixture is removed at a temperature of 60-100 DEG C the moisture of residual, obtains miscella
B；
Step 4,265-275 DEG C is heated to by miscella B made from step 3, sequentially adds the nano-powder of step 2 preparation
A, lauryl alcohol phosphate, HPMA, antioxidant, Synergistic additives mixing, under 1200-1400r/min high speed dispersors
After stirring 1-2 hours, 2-4 hours are incubated, the high stability heat conductive flame-retarding transformer oil that the present invention is produced after room temperature is cooled to.
9. a kind of preparation method of high stability heat conductive flame-retarding transformer oil according to claim 8, it is characterised in that
The step is：
Step one, weigh on request and prepare each component raw material；
Nano-oxide additive, fire retardant, silane coupler and Synergistic additives are mixed 15 times of its weight anhydrous by step 2
In ethanol feeding ball grinder, 7 hours of ball milling under 1100r/min, after terminating, the liquid is transferred to revolving instrument, revolving is removed
Ethanol is removed, dry nano-powder A is obtained；
Step 3, naphthenic base oils are well mixed with butyl titanate, then are passed through aqueous nitrogen, anti-at a temperature of 75 DEG C
2h is answered, reacts after terminating, obtained mixture is removed to the moisture of residual at a temperature of 80 DEG C, miscella B is obtained；
Step 4,270 DEG C are heated to by miscella B made from step 3, sequentially add step 2 preparation nano-powder A, ten
Glycol phosphate, HPMA, antioxidant, Synergistic additives mixing, stir 1.5 small under 1300r/min high speed dispersors
Shi Hou, is incubated 3 hours, is cooled to the high stability heat conductive flame-retarding transformer oil that the present invention is produced after room temperature.
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| CN104046438A (en) * | 2014-06-24 | 2014-09-17 | 铜陵三佳变压器有限责任公司 | Aluminum nitride nanoparticle transformer oil with good antifouling scale inhibition performances, and preparation method thereof |
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