CN102533402A - vegetable insulating oil additive combination and preparation method thereof - Google Patents
vegetable insulating oil additive combination and preparation method thereof Download PDFInfo
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- CN102533402A CN102533402A CN2011104204038A CN201110420403A CN102533402A CN 102533402 A CN102533402 A CN 102533402A CN 2011104204038 A CN2011104204038 A CN 2011104204038A CN 201110420403 A CN201110420403 A CN 201110420403A CN 102533402 A CN102533402 A CN 102533402A
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Abstract
The invention discloses a vegetable insulating oil additive combination, which comprises a certain amount of vegetable insulating oil, at least one antioxidant and at least one metal passivating agent. The components of the additive combination are mixed and stirred for 0.5-3.5 hours at the temperature of 40-55 DEG C and then are oscillated for 30-60 minutes in an ultrasonic oscillator with a frequency of 20-100 kHz, and finally the additive combination is obtained. The additive combination is added in base oil, and the additive combination can be uniformly dispersed in the base oil, so that the oxidation stability of oil products can be increased, and meanwhile the electrical insulation performance of the insulating oil is not influenced. Meanwhile, the invention also discloses a preparation method of the combination.
Description
Technical field
The present invention relates to transformer oil additive technology field, particularly a kind of vegetable insulating oil compositions of additives, especially a kind of compositions of additives that is used for the used vegetable insulating oil of environment-friendly type X-former also relates to its preparation method simultaneously.
Background technology
Transformer oil in oil immersions such as X-former, isolating switch, electric current and voltage transformer, sleeve pipe insulation high-tension apparatus, improves apparatus insulated electrical strength as a kind of important liquid insulating medium, improves the heat dispersion of equipment.Widely used transformer oil is the petroleum products of specific cut in various countries' power system at present, is called mineral insulating oil, and it has the applicating history in more than 100 year in oil immersed type insulation high voltage electric power equip ment.Because low, the biodegradability difference of mineral insulating oil burning-point and face the threat of oil production rate shortage; The enhancing of Along with people's environmental consciousness and the development of insulation technology, the liquid insulating medium of developing high burning-point, environment-friendly type becomes emphasis both domestic and external and hot research problem.
The vegetable insulating oil that derives from natural oil crops has the advantage that a lot of traditional mineral insulating oils do not possess; The vegetable insulating oil burning-point is high, high temperature resistant, be applicable to the demanding occasion of fire-fighting, and biological degradability is greater than 97%; Satisfy environmental requirement; Simultaneously, the vegetable insulating oil raw material sources are extensive, can satisfy the requirement of scale operation and use.As a kind of high burning-point, reproducible environment-friendly liquid insulating material, vegetable insulating oil has begun the proxy-mineral transformer oil in some insulation occasions, but because its oxidation-resistance is relatively poor, vegetable insulating oil is used widely failing.For addressing this problem, domestic and international research personnel adopt the method for adding inhibitor to improve the resistance of oxidation of vegetable insulating oil usually.But method commonly used is mostly used single ground inhibitor, though and the consumption of some method through the increase inhibitor improved its antioxidant property,, but reduced the electrical insulation properties of vegetable insulating oil.
Summary of the invention
In view of this, one of the object of the invention provides a kind of vegetable insulating oil compositions of additives, but is used for homodisperse behind the base oil, on the basis of the antioxidant property that improves base oil, does not reduce the insulating property of base oil; Two of the object of the invention provides the preparation method of said composition.
One of the object of the invention is realized through following technical scheme:
This kind of plant transformer oil compositions of additives comprises thinning oil, at least a inhibitor and at least a metal passivator; The general structure of said thinning oil is:
Wherein R1, R2, R3 are that carbonatoms is 12 ~ 22 alkane or alkene.
Further, said inhibitor is a DBPC 2,6 ditertiary butyl p cresol, 4, one or more in 4-methylene-bis (2,6 di t butyl phenol), certain herbaceous plants with big flowers base phenyl alpha-naphthylamine (korenyl alpha-naphthylamine), tertiarybutylhydroquinone, tea-polyphenol and the Rosmarinus officinalis;
Further, said metal passivator is one or more in methyl benzotriazazole verivate, liquid triazole verivate, triazole tetrahydrobenzene or the thiadiazoles derivative;
Further, by mass percentage, in the said compsn, the content of thinning oil is 55-72%, and the content of inhibitor is 20-30%, and the content of metal passivator is 8-15%;
Two of the object of the invention is realized through following technical scheme:
The preparation method of this kind of plant transformer oil compositions of additives is that thinning oil, inhibitor and metal passivator were mixed stirring after 0.2-6 hour, puts into ultra-sonic oscillation appearance vibration 0.2-5 hour, obtains finished product.
Further, whipping temp is 40-55 ℃, and churning time is 0.5-3 hour, stir speed (S.S.) 100～300 rmin
-1
Further, the ultrasonic frequency of said ultra-sonic oscillation appearance is 20-100kHz, and duration of oscillation is 0.5-1 hour, and the vibration temperature is 40-55 ℃.
The invention has the beneficial effects as follows:
Can select for use multiple inhibitor to work in coordination in the vegetable insulating oil compositions of additives of the present invention, thereby improve the antioxidant property of vegetable insulating oil jointly, in addition; Also adopted inhibitor and metal passivator to be used; Further improve the antioxidant property of vegetable insulating oil, simultaneously, but this kind of plant transformer oil compositions of additives homodisperse in base oil; Under the prerequisite of the antioxidant property that improves vegetable insulating oil, can not influence the insulating property of vegetable insulating oil.
Other advantages of the present invention, target and characteristic will be set forth in specification sheets subsequently to a certain extent; And to a certain extent; Based on being conspicuous to those skilled in the art, perhaps can from practice of the present invention, obtain instruction to investigating of hereinafter.Target of the present invention and other advantages can realize and obtain through following specification sheets and claims.
Embodiment
Below will carry out detailed description to the preferred embodiments of the present invention.Should be appreciated that preferred embodiment has been merely explanation the present invention, rather than in order to limit protection scope of the present invention.
Vegetable insulating oil compositions of additives of the present invention is used for being added into base oil, improves the antioxidant property of base oil, can not weaken the insulating property of base oil simultaneously.Simultaneously,, therefore add metal passivator, can suppress this oxidation because there is the catalyzed oxidation of metals ion in the transformer oil oxidation.
Its preparation method is that thinning oil, inhibitor and metal passivator were mixed stirring after 0.2-6 hour, puts into ultra-sonic oscillation appearance vibration 0.2-5 hour, obtains finished product.
In the preparation process, have the setting of following parameter to it is noted that to guarantee its optimization performance:
Whipping temp is 40-55 ℃, and churning time is 0.5-3 hour, stir speed (S.S.) 100～300 rmin
-1, the ultrasonic frequency of ultra-sonic oscillation appearance is 20-100kHz, and duration of oscillation is 0.5-1 hour, and the vibration temperature is 40-55 ℃.
Embodiment 1
In the present embodiment, the vegetable insulating oil compositions of additives comprises: 60% thinning oil (component A), 25% DBPC 2,6 ditertiary butyl p cresol (B component), 15% methyl benzotriazazole verivate (component C).DBPC 2,6 ditertiary butyl p cresol and methyl benzotriazazole verivate are added in the thinning oil, mix and stirred 0.5 hour, stir speed (S.S.) is 300 rmin
-1, whipping temp is 50 ℃.Then, mixture after being mixed is inserted in the ultra-sonic oscillation appearance that frequency is 100kHz vibration 0.8 hour, the vibration temperature is 48 ℃.
The general structure of component A is:
The general structure of component A in following examples is all identical.
Embodiment 2
The vegetable insulating oil compositions of additives comprises: 60% thinning oil (component A), 20% DBPC 2,6 ditertiary butyl p cresol (B component), 5% certain herbaceous plants with big flowers base phenyl alpha-naphthylamine (korenyl alpha-naphthylamine) (B component), 15% thiadiazoles derivative (component C).With DBPC 2,6 ditertiary butyl p cresol, 5% certain herbaceous plants with big flowers base phenyl alpha-naphthylamine (korenyl alpha-naphthylamine), thiadiazoles derivative, add in the thinning oil, mix and stirred 1 hour, stir speed (S.S.) is 150 rmin-1, whipping temp is 50 ℃.Then, mixture after being mixed is inserted in the ultra-sonic oscillation appearance that frequency is 100kHz vibration 1 hour, the vibration temperature is 40 ℃.
Embodiment 3
The vegetable insulating oil compositions of additives comprises: 60% thinning oil (component A), 25% 4,4-methylene-bis (2,6 di t butyl phenol) (B component), 5% methyl benzotriazazole verivate (component C), 10% thiadiazoles derivative (component C).With 4,4-methylene-bis (2,6 di t butyl phenol), methyl benzotriazazole verivate, thiadiazoles derivative add in the thinning oil, mix and stir 3 hours, and stir speed (S.S.) is 100 rmin-1, and whipping temp is 40 ℃.Then, mixture after being mixed is inserted in the ultra-sonic oscillation appearance that frequency is 100kHz vibration 0.5 hour, the vibration temperature is 55 ℃.
Embodiment 4
The vegetable insulating oil compositions of additives comprises: 60% thinning oil (component A); 10% DBPC 2,6 ditertiary butyl p cresol (B component), 15% tertiarybutylhydroquinone (B component); 8% methyl benzotriazazole verivate (component C), 7% thiadiazoles derivative (component C).With DBPC 2,6 ditertiary butyl p cresol, tertiarybutylhydroquinone (, methyl benzotriazazole verivate, thiadiazoles derivative add in the thinning oil, mixes and stirred 0.5 hour, stir speed (S.S.) is 120 rmin-1, whipping temp is 50 ℃.Then, mixture after being mixed is inserted in the ultra-sonic oscillation appearance that frequency is 0kHz vibration 1 hour, the vibration temperature is 50 ℃.
Embodiment 5
The vegetable insulating oil compositions of additives comprises: 55% thinning oil (component A); 20% DBPC 2,6 ditertiary butyl p cresol (B component), 10% tertiarybutylhydroquinone (B component); 8% methyl benzotriazazole verivate (component C), 7% thiadiazoles derivative (component C).With DBPC 2,6 ditertiary butyl p cresol, tertiarybutylhydroquinone (, methyl benzotriazazole verivate, thiadiazoles derivative add in the thinning oil, mixes and stirred 0.5 hour, stir speed (S.S.) is 120 rmin-1, whipping temp is 50 ℃.Then, mixture after being mixed is inserted in the ultra-sonic oscillation appearance that frequency is 80kHz vibration 0.7 hour, the vibration temperature is 52 ℃.
Embodiment 6
The vegetable insulating oil compositions of additives comprises: 72% thinning oil (component A), 20% 4,4-methylene-bis (2,6 di t butyl phenol) (B component), 5% methyl benzotriazazole verivate (component C), 3% thiadiazoles derivative (component C).With 4,4-methylene-bis (2,6 di t butyl phenol), methyl benzotriazazole verivate, thiadiazoles derivative add in the thinning oil, mix and stir 0.5 hour, and stir speed (S.S.) is 120 rmin-1, and whipping temp is 50 ℃.Then, mixture after being mixed is inserted in the ultra-sonic oscillation appearance that frequency is 100kHz vibration 1 hour, the vibration temperature is 50 ℃.
Embodiment 7
In the present embodiment, the vegetable insulating oil compositions of additives comprises: 60% thinning oil (component A), 30% DBPC 2,6 ditertiary butyl p cresol (B component), 10% methyl benzotriazazole verivate (component C).DBPC 2,6 ditertiary butyl p cresol and methyl benzotriazazole verivate are added in the thinning oil, mix and stirred 0.5 hour, stir speed (S.S.) is 120 rmin
-1, whipping temp is 50 ℃.Then, mixture after being mixed is inserted in the ultra-sonic oscillation appearance that frequency is 100kHz vibration 1 hour, the vibration temperature is 50 ℃.
After adding in the base oil (vegetable insulating oil) in 10% ratio the vegetable insulating oil additive of embodiment 1-7 gained, the leading indicator of base oil is following:
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of present technique scheme, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. the vegetable insulating oil compositions of additives is characterized in that: comprise thinning oil, at least a inhibitor and at least a metal passivator; Said thinning oil is to be that raw material makes with the vegetables oil, and its general structure is:
Wherein R1, R2, R3 are that carbonatoms is 12 ~ 22 alkane or alkene.
2. vegetable insulating oil compositions of additives according to claim 1; It is characterized in that: said inhibitor is 2; 6-ditertbutylparacresol, 4; In 4-methylene-bis (2,6 di t butyl phenol), certain herbaceous plants with big flowers base phenyl alpha-naphthylamine (korenyl alpha-naphthylamine), tertiarybutylhydroquinone, tea-polyphenol and the Rosmarinus officinalis one or more.
3. vegetable insulating oil compositions of additives according to claim 1 is characterized in that: said metal passivator is one or more in methyl benzotriazazole verivate, liquid triazole verivate, triazole tetrahydrobenzene or the thiadiazoles derivative.
4. vegetable insulating oil compositions of additives according to claim 1 is characterized in that: by mass percentage, in the said compsn, the content of thinning oil is 55-72%, and the content of inhibitor is 20-30%, and the content of metal passivator is 8-15%.
5. like the preparation method of the arbitrary described vegetable insulating oil compositions of additives of claim 1 to 4; It is characterized in that: said method is that thinning oil, inhibitor and metal passivator were mixed stirring after 0.2-6 hour; Put into the vibration of ultra-sonic oscillation appearance after 0.2-5 hour, leave standstill and obtain finished product.
6. the preparation method of vegetable insulating oil compositions of additives as claimed in claim 5 is characterized in that: whipping temp is 40-55 ℃, and churning time is 0.5-3 hour, stir speed (S.S.) 100～300 rmin
-1
7. the preparation method of vegetable insulating oil compositions of additives as claimed in claim 6 is characterized in that: the ultrasonic frequency of said ultra-sonic oscillation appearance is 20-100kHz, and duration of oscillation is 0.5-1 hour, and the vibration temperature is 40-55 ℃.
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| CN2011104204038A CN102533402A (en) | 2011-12-15 | 2011-12-15 | vegetable insulating oil additive combination and preparation method thereof |
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| CN2011104204038A CN102533402A (en) | 2011-12-15 | 2011-12-15 | vegetable insulating oil additive combination and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104232302A (en) * | 2014-10-09 | 2014-12-24 | 重庆大学 | Vegetable insulating oil treating full-set process |
| CN105255550A (en) * | 2015-11-13 | 2016-01-20 | 杨超 | Additive combination for improving oxidation stability of transformer oil |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538505A (en) * | 2009-04-28 | 2009-09-23 | 重庆大学 | Environment-friendly insulating oil taking vegetable oil as raw material |
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- 2011-12-15 CN CN2011104204038A patent/CN102533402A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538505A (en) * | 2009-04-28 | 2009-09-23 | 重庆大学 | Environment-friendly insulating oil taking vegetable oil as raw material |
Non-Patent Citations (3)
| Title |
|---|
| 焦广文等: "用于不同类别基础油的抗氧剂研究", 《润滑油》, vol. 21, no. 6, 31 December 2006 (2006-12-31), pages 41 - 45 * |
| 王德荣: "植物油抗氧化剂综述", 《润滑油与燃料》, vol. 16, no. 78, 31 December 2006 (2006-12-31), pages 1 - 6 * |
| 邓广勇等: "对润滑油中使用的抗氧剂及金属钝化剂的一点认识", 《润滑油》, vol. 23, no. 5, 31 October 2008 (2008-10-31), pages 48 - 51 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104232302A (en) * | 2014-10-09 | 2014-12-24 | 重庆大学 | Vegetable insulating oil treating full-set process |
| CN105255550A (en) * | 2015-11-13 | 2016-01-20 | 杨超 | Additive combination for improving oxidation stability of transformer oil |
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Application publication date: 20120704 |