CN106190501A - A kind of high flashover point transformer oil and preparation method thereof - Google Patents
A kind of high flashover point transformer oil and preparation method thereof Download PDFInfo
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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
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- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
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- 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
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/401—Fatty vegetable or animal oils used as base material
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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- 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
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- 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
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Abstract
The invention provides a kind of high flashover point transformer oil, be made up of base oil, antioxidant, pour-point depressant, anti-light sensitive agent and matal deactivator, described base oil is made up of narrow fraction naphthene base crude oil and modified vegetable oil.Present invention also offers the preparation method of high flashover point transformer oil, including a step preparing narrow fraction naphthene base crude oil；One step preparing modified vegetable oil；Narrow fraction naphthene base crude oil and modified vegetable oil are squeezed in reactor, after stirring, by clay-filtered, after filtration, adds antioxidant additive, pour-point depressant, anti-light sensitive agent and matal deactivator, vacuum pump negative pressure 0.8KPa application of vacuum 1～3 times.The open flash point of transformer oil of the present invention can be to 270 320 DEG C, and burning-point reaches 300 350 DEG C, and breakdown voltage reaches 80～100KV/2.5mm.This product safety performance is significantly larger than traditional transformer oil.Product quality meets U.S.'s ASTM D 5,222 2008 standard.
Description
Technical field
The present invention relates to chemical field, particularly relate to transformer oil, particularly a kind of high flashover point transformer oil and system thereof
Preparation Method.
Background technology
Transformer oil, refers in the oil-filled electric equipments such as transformator, reactor, transformer, sleeve pipe, oil circuit breaker, rises
One class insulation oil product of insulation, cooling, information carrier and protective effect.Transformator mainly uses mineral insulating oil at present,
This type of transformer oil has good insulating properties and electric property, and cost is the highest, is widely used in transformator the most at present
In market, but conventional mineral insulating oil burning-point low (generally about 170 DEG C), and safety coefficient is the highest.
Summary of the invention
The technical problem to be solved is to provide a kind of high flashover point transformer oil, and described this transformer oil is wanted
Solve transformer oil flash-point burning-point in prior art low, the problem that safety coefficient is the highest.
The invention provides a kind of high flashover point transformer oil, by base oil, antioxidant, pour-point depressant, anti-light sensitive agent and gold
Belonging to passivator composition, described base oil is made up of narrow fraction naphthene base crude oil and modified vegetable oil, described narrow fraction cycloalkyl
Oil percentage by weight in transformer oil is 70%～80%, described modified vegetable oil weight percent in transformer oil
Ratio is 18%～28%, and described antioxidant percentage by weight in transformer oil is 0.5%～1.0%, described pour point depression
Agent percentage by weight in transformer oil is 0.5%～1.0%, described anti-light sensitive agent weight hundred in transformer oil
Proportion by subtraction is 0.1%～0.5%, and described matal deactivator percentage by weight in transformer oil is 0.1%～0.5%, institute
The %Cp value of the narrow fraction naphthene base crude oil stated is between 42-50, and Cp value refers to that the carbon atom on alkyl side chain accounts for whole molecule total carbon
The percent of number.
Further, described modified vegetable oil is by the two or more things in Oleum Brassicae campestris, Oleum Arachidis hypogaeae semen, Oleum Gossypii semen, olive oil
The mixing of matter, the formula of described modified vegetable oil is,
Wherein R1、R2、R3For alkyl that carbon number is 12-23 or alkylene.
Further, described antioxidant is that 2,6 di-tert-butylphenols, 2,6 ditertbutylparacresols or phenolic ester type are anti-
Any one in oxygen agent.
Further, described pour-point depressant is that T-803B (refining of polyalphaolefin orchid), T803D (polyalphaolefin) or T602HB are (poly-
Methacrylate) in any one.
Further, described anti-light sensitive agent be granularity be 40 mesh, working substance be adsorbent or the HE1127 of 99.99%
Light stabilizer.
Further, described matal deactivator is BTA or 2-methyl-BTA.
Present invention also offers the preparation method of above-mentioned high flashover point transformer oil,
1) step preparing narrow fraction naphthene base crude oil is included；
2) step preparing modified vegetable oil is included,
3) narrow fraction naphthene base crude oil, modified vegetable oil, antioxidant, pour-point depressant, anti-light sensitivity are weighed according to percentage by weight
Agent and matal deactivator, weigh bleaching earth simultaneously, the percentage by weight of described hargil respectively narrow fraction naphthene base crude oil, changes
Property vegetable oil, antioxidant, pour-point depressant, anti-light sensitive agent and gross mass 3%-6% of matal deactivator, then at a reactor
Middle addition narrow fraction naphthene base crude oil and modified vegetable oil, 50 DEG C-60 DEG C are stirred 30-60 minute, add at a temperature of 80 DEG C～100 DEG C
Enter hargil, carry out the stirring and adsorbing of 90～120min times simultaneously, until adsorption reaction is uniform, is deposited in and filters 2 through filter
～after 3 times, add antioxidant additive, pour-point depressant, photosensitizing agents and matal deactivator, vacuum pump negative pressure 0.8KPa, vacuum
Process 1～3 time.
Further, prepare in narrow fraction naphthene base crude oil step described, first naphthene base crude oil squeezed in distillation column,
Carrying out atmospheric and vacuum distillation, reduced pressure distillation process is residual voltage 1～65mmHg, cuts the distillate of 300～350 DEG C, then adds
Hydrogen refines, and in unifining process, the reaction pressure of reactor is 8～15MPa, and reaction temperature is 280～360 DEG C, and oil-feed is the most empty
Speed is 0.35～0.65/h, and reaction hydrogen to oil volume ratio is 800～950, relative to hydrotreating catalyst air speed 0.5～0.85/
H, relative to Hydrobon catalyst air speed 0.85-1.95/h, the described catalyst in unifining process is Mo-W/
Al2O3, or Ni-W-Co/Al2O3, obtain narrow fraction naphthene base crude oil.
Further, in the described step preparing modified vegetable oil, first select Oleum Brassicae campestris, Oleum Arachidis hypogaeae semen, Oleum Gossypii semen,
The two or more goods and materials of olive oil are raw material, first carry out hydrofinishing, in unifining process the reaction pressure of reactor be 6～
12MPa, reaction temperature is 200～400 DEG C, and the total air speed of oil-feed is 0.5～1.0/h, and reaction hydrogen to oil volume ratio is 600～800, institute
Catalyst in the unifining process stated is Ni-W/AL2O3, or Ni-Mo-Co/AL2O3, carry out atmospheric and vacuum distillation subsequently, subtract
Pressure distillation technique is residual voltage 1～65mmHg, cuts the atmospheric distillate of 300～460 DEG C, obtains hydrogenated vegetable oil；Then carry out
Alkali cleaning, using mass percent concentration is the NaOH solution of 6%-10%, and consumption is the 2%-of modified base oil weight
6%, temperature controls at 70-80 DEG C, after washing 60-90min, after oil water separator, enters in next reactor and carries out
Once washing, the consumption of water is the 5%-10% of modified base oil weight, and temperature controls at 70-80 DEG C, washs 60-90min, logical
After crossing oil water separator；Carrying out secondary alkali cleaning, the salt using aqueous solution to be alkalescence washs, and the salt of described alkalescence is quality
Percent concentration is the Na of 5%-8%2CO3Solution, consumption is the 1%-5% of modified base oil weight, and temperature controls at 70-80
DEG C, after washing 60-90min, after oil water separator, entering in next reactor and once wash, the consumption of water is
The 5%-10% of modified base oil weight, temperature controls at 70-80 DEG C, after washing 60-90min, after oil water separator,
To modified vegetable oil.
Further, described bleaching earth is the active hargil that activity degree is more than 180mmol/kg.
The invention have the advantages that
1. this product open flash point is at 270-320 DEG C, and burning-point is at 300-350 DEG C, and the open flash point of traditional transformer oil exists
150-170 DEG C, burning-point is at 170-200 DEG C, and the security performance of this product is high.
2. this product breakdown voltage reaches 80～100KV/2.5mm, substantially increases the insulating capacity of transformator.Tradition is produced
Product breakdown voltage is substantially 35～50KV/2.5mm.
3. the medium consumption factor (90 DEG C) of this product can reach less than 0.001, the dielectric loss of traditional transformer oil because of
Element (90 DEG C) is general more than 0.001, is better than traditional transformer oil.
4. the acid number of this product can be controlled at below 0.01mgKOH/kg, meets the GB2536-2011 technology to acid number
Index request.
5. the antioxygenic property of this product is excellent, and the most easy to change, service life is long.140 DEG C of rotary oxygen bomb times can reach
300-400min, and the rotary oxygen bomb time of tradition transformer oil is 100-150min, easy variable color is turned to be yellow.
The present invention compares with prior art, and its effect is positive and obvious.With traditional transformer oil phase ratio, the present invention becomes
The open flash point of depressor oil can arrive 270-320 DEG C, and burning-point reaches 300-350 DEG C；In addition the acid number of vegetable oil is the highest, does not meets mark
Standard, and this product well solves the problem that vegetable oil acid number is high, takes full advantage of the advantage that the combustion of its flash-point is high, this product simultaneously
Product security performance is significantly larger than traditional transformer oil.
Detailed description of the invention:
Embodiment 1
The invention provides a kind of high flashover point transformer oil, by narrow fraction naphthene base crude oil, modified vegetable oil, antioxidant, fall
Solidifying agent, anti-light sensitive agent and matal deactivator composition.Described narrow fraction naphthene base crude oil percentage by weight in transformer oil
Being 75%, described modified vegetable oil percentage by weight in transformer oil is 22%, take 75% narrow fraction naphthene base crude oil and
After the modified vegetable oil of 22% stirs 50 minutes at 50 DEG C, being incorporated as transformer oil percentage by weight at a temperature of 100 DEG C is
The hargil of 5%, is stirred refined absorption 100min simultaneously, until adsorption reaction is uniform, precipitate through filter filter 2 times with
After, adding antioxidant additive, pour-point depressant, photosensitizing agents and matal deactivator mixing, described antioxidant additive is described
Mass percent in transformer oil is 1.0%, and described pour-point depressant mass percent in described transformer oil is
1.0%, described anti-light sensitive agent mass percent in described transformer oil is 0.5%, described matal deactivator
Mass percent in described transformer oil is 0.5%, and vacuum pump circulating vacuum negative pressure 0.8KPa processes 2 times.
Further, described bleaching earth is the active hargil that activity degree is more than 180mmol/kg.
The preparation method of described narrow fraction naphthene base crude oil is: is squeezed into by naphthene base crude oil in distillation column, carries out Atmospheric vacuum steaming
Evaporating, reduced pressure distillation process is residual voltage 1～65mmHg, cuts the distillate of 300～350 DEG C, then carries out hydrofinishing, hydrogenation essence
During system, the reaction pressure of reactor is 12MPa, and reaction temperature is 320 DEG C, and the total air speed of oil-feed is 0.5/h, reactive hydrogen oil body
Long-pending ratio is 850, relative to hydrotreating catalyst air speed 0.65/h, relative to Hydrobon catalyst air speed 1.5/h, described
Catalyst in unifining process is Mo-W/Al2O3, obtain narrow fraction naphthene base crude oil.
Described modified vegetable oil is made up of Oleum Brassicae campestris and Oleum Arachidis hypogaeae semen, and described Oleum Brassicae campestris is in described modified vegetable oil
Mass percent be 60%, described Oleum Arachidis hypogaeae semen mass percent in described modified vegetable oil is 40%, and it is prepared
Method is: first carry out hydrofinishing, and in unifining process, the reaction pressure of reactor is 8MPa, and reaction temperature is 300 DEG C, enters
The total air speed of oil is 0.8/h, and reaction hydrogen to oil volume ratio is 700, and the described catalyst in unifining process is Ni-W/AL2O3,
Carrying out atmospheric and vacuum distillation subsequently, reduced pressure distillation process is residual voltage 1～65mmHg, cuts the atmospheric distillate of 300～460 DEG C,
To hydrogenated vegetable oil.Being the most first the NaOH solution of 8% by concentration, consumption is the 5% of improved plant weight of oil, and temperature controls
80 DEG C, after washing 80min, after oil water separator, entering in next reactor and wash, consumption is modified vegetable oil
The 8% of weight, temperature controls at 70 DEG C, after washing 60min, after oil water separator；Carrying out secondary alkali cleaning, employing concentration is
The Na of 8%2CO3Solution, consumption is the 5% of improved plant weight of oil, and temperature controls at 75 DEG C, after washing 60min, passes through profit
After separator, entering in next reactor and once wash, consumption is the 8% of improved plant weight of oil, and temperature controls
70 DEG C, after washing 70min, after oil water separator, obtain modified vegetable oil.
Further, described antioxidant is 2,6 di-tert-butylphenols.
Further, described pour-point depressant is T-803B (refining of polyalphaolefin orchid).
Further, described matal deactivator is BTA (BTA).
Further, described anti-light sensitive agent be granularity 40 mesh, working substance be the adsorbent of 99.99%.
Every physical and chemical index is shown in Table 1.
Embodiment 2
The invention provides a kind of high flashover point transformer oil, by narrow fraction naphthene base crude oil, modified vegetable oil, antioxidant, fall
Solidifying agent, anti-light sensitive agent and matal deactivator composition.Described narrow fraction naphthene base crude oil percentage by weight in transformer oil
Being 70%, described modified vegetable oil percentage by weight in transformer oil is 28%, by Oleum Brassicae campestris, Oleum Arachidis hypogaeae semen and Oleum Gossypii semen
Mixing.Take 70% narrow fraction naphthene base crude oil and 28% modified vegetable oil stir 40 minutes at 55 DEG C after, at a temperature of 90 DEG C
It is incorporated as the hargil that transformer oil percentage by weight is 6%, is stirred refined absorption 90min, until adsorption reaction is equal simultaneously
Even, precipitate after filter filters 2 times, add antioxidant additive, pour-point depressant, photosensitizing agents and matal deactivator mixing,
Described antioxidant additive mass percent in described transformer oil is 0.5%, and described pour-point depressant is in described change
Mass percent in depressor oil is 0.5%, and described anti-light sensitive agent mass percent in described transformer oil is
0.5%, described matal deactivator mass percent in described transformer oil is 0.5%, and vacuum pump circulating vacuum is born
Pressure 0.8Kpa processes 2 times.
The preparation method of described narrow fraction naphthene base crude oil is: is squeezed into by naphthene base crude oil in distillation column, carries out Atmospheric vacuum steaming
Evaporating, reduced pressure distillation process is residual voltage 1～65mmHg, cuts the distillate of 300～350 DEG C, then carries out hydrofinishing, hydrogenation essence
During system, the reaction pressure of reactor is 10MPa, and reaction temperature is 350 DEG C, and the total air speed of oil-feed is 0.45/h, reactive hydrogen oil body
Long-pending ratio is 900, relative to hydrotreating catalyst air speed 0.7/h, relative to Hydrobon catalyst air speed 1.2/h, described
Catalyst in unifining process is Ni-W-Co/Al2O3, obtain narrow fraction naphthene base crude oil.
Described Oleum Brassicae campestris mass percent in described modified vegetable oil is 50%, and described Oleum Arachidis hypogaeae semen is described
Modified vegetable oil in mass percent be 30%, described Oleum Gossypii semen mass percent in described modified vegetable oil
Being 20%, the preparation method of described modified vegetable oil is: first carry out hydrofinishing, the reaction of reactor in unifining process
Pressure is 10MPa, and reaction temperature is 250 DEG C, and the total air speed of oil-feed is 0.6/h, and reaction hydrogen to oil volume ratio is 650, described hydrogenation
Catalyst in subtractive process is Ni-Mo-Co/AL2O3, carry out atmospheric and vacuum distillation subsequently, reduced pressure distillation process be residual voltage 1～
65mmHg, cuts the atmospheric distillate of 300～460 DEG C, obtains hydrogenated vegetable oil.Then it is the NaOH solution of 9% by concentration, uses
Amount is the 4% of improved plant weight of oil, and temperature controls at 80 DEG C, after washing 70min, after oil water separator, enters next
Washing in individual reactor, consumption is the 7% of improved plant weight of oil, and temperature controls at 70 DEG C, after washing 60min, passes through
After oil water separator；Carrying out secondary alkali cleaning, using concentration is the Na of 8%2CO3Solution, consumption is the 4% of improved plant weight of oil,
Temperature controls at 75 DEG C, after washing 60min, after oil water separator, enters in next reactor and once washes, use
Amount is the 10% of improved plant weight of oil, and temperature controls at 70 DEG C, after washing 70min, after oil water separator, obtains modification
Vegetable oil.
Further, described bleaching earth is the active hargil that activity degree is more than 180mmol/kg.
Further, described antioxidant is 2,6 ditertbutylparacresols.
Further, described pour-point depressant is T803D (polyalphaolefin).
Further, described matal deactivator is 2-methyl-BTA.
Further, described anti-light sensitive agent be granularity 40 mesh, working substance be the adsorbent of 99.99%.
Every physical and chemical index is shown in Table 1.
Embodiment 3
The invention provides a kind of high flashover point transformer oil, by narrow fraction naphthene base crude oil, modified vegetable oil, antioxidant, fall
Solidifying agent, anti-light sensitive agent and matal deactivator composition.Described narrow fraction naphthene base crude oil percentage by weight in transformer oil
Being 80%, described modified vegetable oil percentage by weight in transformer oil is 18%, by Oleum Brassicae campestris, Oleum Arachidis hypogaeae semen, Oleum Gossypii semen
And mixed with olive oil.Take 80% narrow fraction naphthene base crude oil and 18% modified vegetable oil stir 45 minutes at 55 DEG C after, 100
Being incorporated as the hargil that transformer oil percentage by weight is 3% at a temperature of DEG C, being stirred refined absorption 110min, until inhaling simultaneously
Reaction enclosure is uniform, precipitates after filter filters 2 times, adds antioxidant additive, pour-point depressant, photosensitizing agents and metal passivation
Agent mixes, and described antioxidant additive mass percent in described transformer oil is 0.5%, and described pour-point depressant is in institute
Mass percent in the transformer oil stated is 0.5%, described anti-light sensitive agent quality hundred in described transformer oil
Proportion by subtraction is 0.5%, and described matal deactivator mass percent in described transformer oil is 0.5%, and vacuum pump circulates
Negative pressure of vacuum 0.8Kpa processes 2 times.
The preparation method of described narrow fraction naphthene base crude oil is: is squeezed into by naphthene base crude oil in distillation column, carries out Atmospheric vacuum steaming
Evaporating, reduced pressure distillation process is residual voltage 1～65mmHg, cuts the distillate of 300～350 DEG C, then carries out hydrofinishing, hydrogenation essence
During system, the reaction pressure of reactor is 15MPa, and reaction temperature is 330 DEG C, and the total air speed of oil-feed is 0.55/h, reactive hydrogen oil body
Long-pending ratio is 930, relative to hydrotreating catalyst air speed 0.75/h, relative to Hydrobon catalyst air speed 1.2/h, described
Catalyst in unifining process is Ni-W-Co/Al2O3, obtain narrow fraction naphthene base crude oil.
Described Oleum Brassicae campestris mass percent in described modified vegetable oil is 40%, and described Oleum Arachidis hypogaeae semen is described
Modified vegetable oil in mass percent be 20%, described Oleum Gossypii semen mass percent in described modified vegetable oil
Being 20%, described olive oil mass percent in described modified vegetable oil is 20%.Described modified vegetable oil
Preparation method is: first carry out hydrofinishing, and in unifining process, the reaction pressure of reactor is 7MPa, and reaction temperature is 350
DEG C, the total air speed of oil-feed is 0.7/h, and reaction hydrogen to oil volume ratio is 650, and the described catalyst in unifining process is Ni-Mo-
Co/AL2O3, carrying out atmospheric and vacuum distillation subsequently, reduced pressure distillation process is residual voltage 1～65mmHg, and the normal pressure cutting 300～460 DEG C evaporates
Divide oil, obtain hydrogenated vegetable oil.Being the NaOH solution of 10% by concentration, temperature controls at 80 DEG C, after washing 60min, by oil
After water separator, entering in next reactor and wash, consumption is the 6% of improved plant weight of oil, and temperature controls 70
DEG C, after washing 70min, after oil water separator；Carrying out secondary alkali cleaning, using concentration is the Na of 8%2CO3Solution, consumption is
The 4% of improved plant weight of oil, temperature controls at 75 DEG C, after washing 60min, after oil water separator, enters next anti-
Answering in still and once wash, consumption is the 10% of improved plant weight of oil, and temperature controls at 70 DEG C, after washing 70min, passes through
After oil water separator, obtain modified vegetable oil.
Further, described bleaching earth is the active hargil that activity degree is more than 180mmol/kg.
Further, described antioxidant is phenolic ester type antioxidant.
Further, described pour-point depressant is T602HB (polymethacrylates).
Further, described anti-light sensitive agent be granularity 40 mesh, working substance be the adsorbent of 99.99%.
Further, described matal deactivator is BTA (BTA).
Every physical and chemical index is shown in Table 1.
Embodiment 4
The invention provides a kind of high flashover point transformer oil, by narrow fraction naphthene base crude oil, modified vegetable oil, antioxidant, fall
Solidifying agent, anti-light sensitive agent and matal deactivator composition.Described narrow fraction naphthene base crude oil percentage by weight in transformer oil
Being 72%, described modified vegetable oil percentage by weight in transformer oil is 26%, by Oleum Arachidis hypogaeae semen, Oleum Gossypii semen and olive oil
Mixing composition.Take 72% narrow fraction naphthene base crude oil and 26% modified vegetable oil stir 30 minutes at 60 DEG C after, 100 DEG C of temperature
It is incorporated as the hargil that transformer oil percentage by weight is 6% under degree, is stirred refined absorption 120min, until absorption is anti-simultaneously
Should be uniform, precipitate after filter filters 2 times, add antioxidant additive, pour-point depressant, photosensitizing agents and matal deactivator mixed
Closing, described antioxidant additive mass percent in described transformer oil is 0.6%, and described pour-point depressant is described
Mass percent in transformer oil is 0.6%, described anti-light sensitive agent mass percent in described transformer oil
Being 0.4%, described matal deactivator mass percent in described transformer oil is 0.4%, vacuum pump circulating vacuum
Negative pressure 0.8KPa processes 2 times.
The preparation method of described narrow fraction naphthene base crude oil is: is squeezed into by naphthene base crude oil in distillation column, carries out Atmospheric vacuum steaming
Evaporating, reduced pressure distillation process is residual voltage 1～65mmHg, cuts the distillate of 300～350 DEG C, then carries out hydrofinishing, hydrogenation essence
During system, the reaction pressure of reactor is 11MPa, and reaction temperature is 330 DEG C, and the total air speed of oil-feed is 0.4/h, reactive hydrogen oil body
Long-pending ratio is 860, relative to hydrotreating catalyst air speed 0.75/h, relative to Hydrobon catalyst air speed 1.6/h, described
Catalyst in unifining process is Mo-W/Al2O3, obtain narrow fraction naphthene base crude oil.
Described Oleum Arachidis hypogaeae semen mass percent in described modified vegetable oil is 40%, and described Oleum Gossypii semen is described
Modified vegetable oil in mass percent be 30%, described olive oil mass percent in described modified vegetable oil
It is 30%.The preparation method of described modified vegetable oil is: first carry out hydrofinishing, the reaction of reactor in unifining process
Pressure is 11MPa, and reaction temperature is 300 DEG C, and the total air speed of oil-feed is 0.6/h, and reaction hydrogen to oil volume ratio is 600, described hydrogenation
Catalyst in subtractive process is Ni-W/AL2O3, carrying out atmospheric and vacuum distillation subsequently, reduced pressure distillation process is residual voltage 1～65mmHg,
Cut the atmospheric distillate of 300～460 DEG C, obtain hydrogenated vegetable oil.Then being the NaOH solution of 8% by concentration, consumption is for changing
Property vegetable oil weight 5%, temperature controls at 80 DEG C, washing 80min after, after oil water separator, enter the next one reaction
Washing in still, consumption is the 8% of improved plant weight of oil, and temperature controls at 70 DEG C, after washing 60min, is divided by profit
After device；Carrying out secondary alkali cleaning, using concentration is the Na of 8%2CO3Solution, consumption is the 5% of improved plant weight of oil, temperature control
System is at 75 DEG C, after washing 60min, after oil water separator, enters in next reactor and once washes, and consumption is for changing
Property vegetable oil weight 8%, temperature controls at 70 DEG C, washing 70min after, after oil water separator, obtain modified vegetable oil.
Further, described bleaching earth is the active hargil that activity degree is more than 180mmol/kg.
Further, described antioxidant is 2,6 ditertbutylparacresols.
Further, described pour-point depressant is T-803B (polyalphaolefin).
Further, described matal deactivator is 2-methyl-BTA.
Further, described anti-light sensitive agent be granularity 40 mesh, working substance be the adsorbent of 99.99%.
Every physical and chemical index is shown in Table 1.
Every physical and chemical index is shown in Table 1.
Table 1
The present invention and U.S. FR3 plant transformer oil, the traditional transformer each physical and chemical performance of oil compare and are shown in Table 2
Table 2
As can be seen from Table 2 with, the present invention, compared with U.S. FR3 plant type transformer oil, has lower acid number, Ke Yiyou
Effect prevents oil product middle acid substance etching apparatus, the service life of extension device；In addition the interfacial tension of the present invention, pour point, Jie
Damage and moisture index is also significantly better than FR3.The present invention, compared with conventional mineral transformer oil, has higher flash-point and combustion
Point, therefore substantially increases security performance；The insulating properties of this product are also significantly better than traditional transformer oil, the present invention in addition
The rotary oxygen bomb time is substantially better than conventional mineral transformer oil, therefore has more preferable Oxidation Stability and longer use longevity
Life.
The beneficial effects of the present invention is: first, compared with tradition transformer oil, this product safety performance is splendid,；Secondly,
This product meets U.S.'s ASTM 5222-2008 standard, technological precedence；3rd, this product is superior to country's mark on indices
The accurate transformer oil standard with employing produced in conventional processes, substantially increases stability and safety that transformator runs, improves
Service life of transformer oil.
Claims (10)
1. a high flashover point transformer oil, it is characterised in that: by base oil, antioxidant, pour-point depressant, anti-light sensitive agent and metallic blunt
Agent forms, and described base oil is made up of narrow fraction naphthene base crude oil and modified vegetable oil, and described narrow fraction naphthene base crude oil exists
Percentage by weight in transformer oil is 70%～80%, and described modified vegetable oil percentage by weight in transformer oil is
18%～28%, described antioxidant percentage by weight in transformer oil is 0.5%～1.0%, and described pour-point depressant exists
Percentage by weight in transformer oil is 0.5%～1.0%, described anti-light sensitive agent percentage by weight in transformer oil
Being 0.1%～0.5%, described matal deactivator percentage by weight in transformer oil is 0.1%～0.5%, described
The %Cp value of narrow fraction naphthene base crude oil is between 42-50, and Cp value refers to that the carbon atom on alkyl side chain accounts for the total carbon number of whole molecule
Percent.
High flashover point transformer oil the most according to claim 1, it is characterised in that: described modified vegetable oil by Oleum Brassicae campestris,
The mixing of the two or more materials in Oleum Arachidis hypogaeae semen, Oleum Gossypii semen, olive oil, the formula of described modified vegetable oil is,
Wherein R1、R2、R3For alkyl that carbon number is 12-23 or alkylene.
High flashover point transformer oil the most according to claim 1, it is characterised in that: described antioxidant is 2,6 two tertiary fourths
Any one in base phenol, 2,6 ditertbutylparacresols or phenolic ester type antioxidant.
High flashover point transformer oil the most according to claim 1, it is characterised in that: described pour-point depressant be T-803B,
Any one in T803D or T602 HB.
High flashover point transformer oil the most according to claim 1, it is characterised in that: described anti-light sensitive agent be granularity be 40
Mesh, working substance are adsorbent or the HE1127 light stabilizer of 99.99%.
High flashover point transformer oil the most according to claim 1, it is characterised in that: described matal deactivator is benzo three nitrogen
Azoles or 2-methyl-BTA.
7. the preparation method of the high flashover point transformer oil described in claim 1, it is characterised in that:
1) step preparing narrow fraction naphthene base crude oil is included；
2) step preparing modified vegetable oil is included,
3) according to percentage by weight weigh narrow fraction naphthene base crude oil, modified vegetable oil, antioxidant, pour-point depressant, anti-light sensitive agent and
Matal deactivator, weighs bleaching earth simultaneously, and the percentage by weight of described hargil respectively narrow fraction naphthene base crude oil, modification are planted
Thing oil, antioxidant, pour-point depressant, anti-light sensitive agent and gross mass 3%-6% of matal deactivator, then add in a reactor
Entering narrow fraction naphthene base crude oil and modified vegetable oil, 50 DEG C-60 DEG C are stirred 30-60 minute, add white at a temperature of 80 DEG C～100 DEG C
Soil, carries out the stirring and adsorbing of 90～120min times simultaneously, until adsorption reaction is uniform, is deposited in and filters 2～3 times through filter
After, add antioxidant additive, pour-point depressant, photosensitizing agents and matal deactivator, vacuum pump negative pressure 0.8KPa, application of vacuum 1
～3 times.
The preparation method of high flashover point transformer oil the most according to claim 7, it is characterised in that: prepare narrow evaporating described
Dividing in naphthene base crude oil step, first squeeze in distillation column by naphthene base crude oil, carry out atmospheric and vacuum distillation, reduced pressure distillation process is residual voltage
1～65mmHg, cut the distillate of 300～350 DEG C, then carry out hydrofinishing, the reaction of reactor in unifining process
Pressure is 8～15MPa, and reaction temperature is 280～360 DEG C, and the total air speed of oil-feed is 0.35～0.65/h, and reaction hydrogen to oil volume ratio is
800～950, relative to hydrotreating catalyst air speed 0.5～0.85/h, relative to Hydrobon catalyst air speed 0.85-
1.95/h, the described catalyst in unifining process is Mo-W/Al2O3, or Ni-W-Co/Al2O3, obtain narrow fraction cycloalkanes
Base oil.
The preparation method of high flashover point transformer oil the most according to claim 7, it is characterised in that: modified in described preparation
In the step of vegetable oil, first selecting Oleum Brassicae campestris, Oleum Arachidis hypogaeae semen, Oleum Gossypii semen, the two or more goods and materials of olive oil is raw material, first carries out
Hydrofinishing, in unifining process, the reaction pressure of reactor is 6～12MPa, and reaction temperature is 200～400 DEG C, and oil-feed is total
Air speed is 0.5～1.0/h, and reaction hydrogen to oil volume ratio is 600～800, and the described catalyst in unifining process is Ni-W/
AL2O3, or Ni-Mo-Co/AL2O3, carrying out atmospheric and vacuum distillation subsequently, reduced pressure distillation process is residual voltage 1～65mmHg, cuts 300
～the atmospheric distillate of 460 DEG C, obtain hydrogenated vegetable oil；Then carrying out an alkali cleaning, employing mass percent concentration is 6%-
The NaOH solution of 10%, consumption is the 2%-6% of modified base oil weight, and temperature controls at 70-80 DEG C, washs 60-90min
After, after oil water separator, entering in next reactor and once wash, the consumption of water is modified base oil weight
5%-10%, temperature controls at 70-80 DEG C, washs 60-90min, after oil water separator；Carry out secondary alkali cleaning, use water
Solution is that the salt of alkalescence washs, the salt of described alkalescence be mass percent concentration be the Na of 5%-8%2CO3Solution, uses
Amount is the 1%-5% of modified base oil weight, and temperature controls at 70-80 DEG C, after washing 60-90min, passes through oil water separator
After, entering in next reactor and once wash, the consumption of water is the 5%-10% of modified base oil weight, and temperature controls
At 70-80 DEG C, after washing 60-90min, after oil water separator, obtain modified vegetable oil.
The preparation method of high flashover point transformer oil the most according to claim 7, it is characterised in that: described bleaching earth
For the activity degree active hargil more than 180mmol/kg.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107057818A (en) * | 2017-05-24 | 2017-08-18 | 上海中孚特种油品有限公司 | A kind of environment-friendly type microemulsified cutting fluid and preparation method thereof |
| CN107338098A (en) * | 2017-06-29 | 2017-11-10 | 上海中孚特种油品有限公司 | A kind of air compressor oil and preparation method thereof |
| CN108060004A (en) * | 2017-12-31 | 2018-05-22 | 安徽凯奥新能源股份有限公司 | A kind of transformer oil of high oxidation stability and preparation method thereof |
| CN112542296A (en) * | 2020-12-04 | 2021-03-23 | 刚和石油(营口)有限公司 | Biodegradable high-ignition-point insulating fluid |
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| CN104046422A (en) * | 2014-06-16 | 2014-09-17 | 江苏双江石化制品有限公司 | Transformer oil with high ignition point and production method thereof |
| CN104774677A (en) * | 2015-04-27 | 2015-07-15 | 江苏铭安电气有限公司 | Preparation method of high-ignition-point transformer oil |
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| CN104046422A (en) * | 2014-06-16 | 2014-09-17 | 江苏双江石化制品有限公司 | Transformer oil with high ignition point and production method thereof |
| CN104774677A (en) * | 2015-04-27 | 2015-07-15 | 江苏铭安电气有限公司 | Preparation method of high-ignition-point transformer oil |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107057818A (en) * | 2017-05-24 | 2017-08-18 | 上海中孚特种油品有限公司 | A kind of environment-friendly type microemulsified cutting fluid and preparation method thereof |
| CN107338098A (en) * | 2017-06-29 | 2017-11-10 | 上海中孚特种油品有限公司 | A kind of air compressor oil and preparation method thereof |
| CN107338098B (en) * | 2017-06-29 | 2020-05-08 | 上海中孚特种油品有限公司 | Air compressor oil and preparation method thereof |
| CN108060004A (en) * | 2017-12-31 | 2018-05-22 | 安徽凯奥新能源股份有限公司 | A kind of transformer oil of high oxidation stability and preparation method thereof |
| CN112542296A (en) * | 2020-12-04 | 2021-03-23 | 刚和石油(营口)有限公司 | Biodegradable high-ignition-point insulating fluid |
| CN112542296B (en) * | 2020-12-04 | 2021-10-29 | 刚和石油(营口)有限公司 | Biodegradable high-ignition-point insulating fluid |
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| CN106190501B (en) | 2017-12-22 |
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Denomination of invention: High-ignition-point transformer oil and preparation method thereof Effective date of registration: 20190903 Granted publication date: 20171222 Pledgee: Anxin Agricultural Insurance Co., Ltd. Shanghai Minhang Branch Co. Pledgor: SHANGHAI ZHONGFU SPECIAL OIL Co.,Ltd. Registration number: Y2019980000101 |
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Date of cancellation: 20201021 Granted publication date: 20171222 Pledgee: Anxin Agricultural Insurance Co., Ltd. Shanghai Minhang Branch Co. Pledgor: SHANGHAI ZHONGFU SPECIAL OIL Co.,Ltd. Registration number: Y2019980000101 |
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Address after: 201823 No. 2122, Waiqian Road, Jiading District, Shanghai Patentee after: Shanghai Zhongfu Oil Group Co.,Ltd. Address before: 201823 No. 2122, Waiqian Road, Jiading District, Shanghai Patentee before: SHANGHAI ZHONGFU SPECIAL OIL Co.,Ltd. |