CN104357186A - Transformer oil and preparation method thereof - Google Patents
Transformer oil and preparation method thereof Download PDFInfo
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- CN104357186A CN104357186A CN201410545869.4A CN201410545869A CN104357186A CN 104357186 A CN104357186 A CN 104357186A CN 201410545869 A CN201410545869 A CN 201410545869A CN 104357186 A CN104357186 A CN 104357186A
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- zine oxide
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Abstract
The invention discloses transformer oil and a preparation method thereof. The preparation method comprises the steps as follows: (1), nano-zinc oxide is added into transformer base oil for mixing so as to obtain a mixture M1; and (2), an antioxidant and a metal deactivator are added into the mixture M1 to obtain the transformer oil. For 100 parts by weight of the transformer base oil, 10-30 parts by weight of nano-zinc oxide, 0.2-2 parts of the antioxidant and 0.2-5 parts of the metal deactivator are used. With the adoption of the technical scheme, the prepared transformer oil has good insulation performance, and the insulation performance cannot be reduced remarkably when the transformer oil has impurities.
Description
Technical field
The present invention relates to transformer oil Material Field, particularly, relate to a kind of transformer oil and preparation method thereof.
Background technology
Transformer oil plays vital effect in transformer, transformer oil not only plays a part cooling and also plays great insulating effect in the use procedure of transformer, and thus the quality of the insulating property of transformer oil greatly affects the quality of transformer.In real life, most transformer oil is all directly used by transformer foundation oil, although transformer foundation oil has had heat-resisting and insulating property preferably, but after long-term use, when having impurity in oil, when especially having metallic impurity, then the insulating property of transformer oil can decrease, and then cause the performance of transformer to decrease.
Therefore, provide a kind of insulating property good, and transformer oil that after having impurity, insulating property are not significantly reduced and preparation method thereof is the present invention needs the problem of solution badly.
Summary of the invention
For above-mentioned prior art, the object of the present invention is to provide a kind of insulating property good, and transformer oil that after having impurity, insulating property are not significantly reduced and preparation method thereof.
To achieve these goals, the invention provides a kind of preparation method of transformer oil, wherein, described preparation method comprises:
(1) nano zine oxide is added in transformer foundation oil mix, obtain mixture M 1;
(2) in mixture M 1, add oxidation inhibitor and metal passivator, obtain transformer oil; Wherein,
Relative to the transformer foundation oil of 100 weight parts, the consumption of described nano zine oxide is 10-30 weight part, and the consumption of described oxidation inhibitor is 0.2-2 weight part, and the consumption of described metal passivator is 0.2-5 weight part.
Present invention also offers a kind of transformer oil obtained according to above-mentioned preparation method.
The present invention by adding nano zine oxide in the transformer foundation oil of routine, make nano zine oxide particulate can Homogeneous phase mixing in transformer foundation oil, simultaneously in order to ensure that the transformer oil obtained has good antioxidant property and good insulating property further, also in transformer foundation oil, add oxidation inhibitor and metal passivator, and then achieve the good effect of insulating property, and evenly adding because of nano zine oxide particulate, make this transformer oil in actual use, even if be mixed into impurity, its insulating property also there will not be obvious reduction, considerably increase the security of use.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of preparation method of transformer oil, wherein, described preparation method comprises:
(1) nano zine oxide is added in transformer foundation oil mix, obtain mixture M 1;
(2) in mixture M 1, add oxidation inhibitor and metal passivator, obtain transformer oil; Wherein,
Relative to the transformer foundation oil of 100 weight parts, the consumption of described nano zine oxide is 10-30 weight part, and the consumption of described oxidation inhibitor is 0.2-2 weight part, and the consumption of described metal passivator is 0.2-5 weight part.
The present invention by adding nano zine oxide in the transformer foundation oil of routine, make nano zine oxide particulate can Homogeneous phase mixing in transformer foundation oil, simultaneously in order to ensure that the transformer oil obtained has good antioxidant property and good insulating property further, also in transformer foundation oil, add oxidation inhibitor and metal passivator, and then achieve the good effect of insulating property, and evenly adding because of nano zine oxide particulate, make this transformer oil in actual use, even if be mixed into impurity, its insulating property also there will not be obvious reduction, considerably increase the security of use.
In order to make the transformer oil obtained, there are better use properties and insulating property etc., one of the present invention preferred embodiment in, relative to the transformer foundation oil of 100 weight parts, the consumption of described nano zine oxide is 15-25 weight part, the consumption of described oxidation inhibitor is 0.5-1 weight part, and the consumption of described metal passivator is 0.5-2 weight part.
The hybrid mode that mixing in step (1) can adopt this area routine to use mixes, such as, can merely stir, certainly, consider that nano zine oxide is microgranular, in order to make it be scattered in this transformer oil better, one of the present invention more preferred embodiment in, the mixing in step (1) can adopt magnetic force vibrate mixing.By this hybrid mode, thus nano zine oxide can be scattered in transformer oil better, thus play its effect better.
Described transformer foundation oil be this area routine use transformer foundation oil type, such as, one of the present invention preferred embodiment in, described transformer foundation oil can be chosen as naphthenic base crude or paraffinic crude.Certainly, in order to promote the quality of transformer oil further, and the transformer oil obtained can be made to have better use properties, one of the present invention more preferred embodiment in, described transformer foundation oil can prioritizing selection be naphthenic base crude.
Described nano zine oxide is the nano zine oxide type that this area routine uses, commercially available nano zine oxide all can use in the present invention, certainly, consider the performance of transformer foundation oil, one of the present invention preferred embodiment in, it is 10-50nm that described nano zine oxide can be chosen as median size, and specific surface area is not less than 30m
2the nano zine oxide of/g, thus make the transformer oil prepared have better use properties.
Described oxidation inhibitor is the antioxidant type that this area routine uses, and commercially available conventional antioxidant type all can use in the present invention, such as, one of the present invention preferred embodiment in, described oxidation inhibitor is 2,6 ditertiary butyl p cresol and/or 2,6 di t butyl phenol.
Described metal passivator can be the metal passivator type that this area routine uses, such as, can be N, N '-two salicylidene propylene diamine, one of the present invention more preferred embodiment in, in order to make the transformer oil obtained have better insulating property, described metal passivator can prioritizing selection be 124 Triazole derivative.As long as 124 Triazole derivative in the present invention all can as good metal passivator, in this citing that differs.124 Triazole derivative is the 124 Triazole derivative type that this area routine uses, and the derivative type that this area is commonly used all can use at this, is not thus further qualified at this and repeats.
Present invention also offers a kind of transformer oil obtained according to above-mentioned preparation method.
Below will be described the present invention by embodiment.
In following examples, described transformer foundation oil is No. 45, Kelamayi common transformer oil, and described nano zine oxide is the median size that Beijing Deco Dao Jin Science and Technology Ltd. produces is 30nm, and specific surface area is 50m
2the nano zine oxide particulate of/g, described oxidation inhibitor is the trade mark that Nanjing Datang chemical industry limited liability company produces is that (main component is 2 for the conventional commercial oxidation inhibitor of BHT, 6-ditertbutylparacresol), described metal passivator is the trade mark that Yantai Heng Nuo Chemical Industry Science Co., Ltd produces is the conventional commercial metal passivator of T551 (main component is 124 Triazole derivative).
Embodiment 1
15g nano zine oxide is added in 100g transformer foundation oil to be positioned on magnetic oscillation machine and carry out mixing and vibrating mixing, obtain mixture M 1; In mixture M 1, add 0.5g oxidation inhibitor and 0.5g metal passivator, obtain transformer oil A1.
Embodiment 2
25g nano zine oxide is added in 100g transformer foundation oil to be positioned on magnetic oscillation machine and carry out mixing and vibrating mixing, obtain mixture M 1; In mixture M 1, add 1g oxidation inhibitor and 2g metal passivator, obtain transformer oil A2.
Embodiment 3
20g nano zine oxide is added in 100g transformer foundation oil to be positioned on magnetic oscillation machine and carry out mixing and vibrating mixing, obtain mixture M 1; In mixture M 1, add 0.8g oxidation inhibitor and 1g metal passivator, obtain transformer oil A3.
Embodiment 4
10g nano zine oxide is added in 100g transformer foundation oil to be positioned on magnetic oscillation machine and carry out mixing and vibrating mixing, obtain mixture M 1; In mixture M 1, add 0.2g oxidation inhibitor and 0.2g metal passivator, obtain transformer oil A4.
Embodiment 5
30g nano zine oxide is added in 100g transformer foundation oil to be positioned on magnetic oscillation machine and carry out mixing and vibrating mixing, obtain mixture M 1; In mixture M 1, add 2g oxidation inhibitor and 5g metal passivator, obtain transformer oil A5.
Comparative example 1
5g nano zine oxide is added in 100g transformer foundation oil to be positioned on magnetic oscillation machine and carry out mixing and vibrating mixing, obtain mixture M 1; In mixture M 1, add 0.05g oxidation inhibitor and 0.05g metal passivator, obtain transformer oil D1.
Comparative example 2
50g nano zine oxide is added in 100g transformer foundation oil to be positioned on magnetic oscillation machine and carry out mixing and vibrating mixing, obtain mixture M 1; In mixture M 1, add 5g oxidation inhibitor and 10g metal passivator, obtain transformer oil D2.
Comparative example 3
No. 10, the Great Wall that Shanghai Jun Cheng Industrial Co., Ltd. sells conventional transformer oil D3.
Test case
Above-mentioned A1-A5 and D1-D3 is detected its voltage breakdown U1 according to GB/T507 respectively, simultaneously, again above-mentioned transformer oil A1-A5 and D1-D3 is positioned over respectively in the transformer of same model and uses 1 month, and then detecting its voltage breakdown U2 respectively according to GB/T507, the result obtained is as shown in table 1.
Table 1
| Numbering | Voltage breakdown U1 (kV) | Voltage breakdown U2 (kV) |
| A1 | 65 | 62 |
| A2 | 72 | 70 |
| A3 | 68 | 68 |
| A4 | 43 | 40 |
| A5 | 45 | 40 |
| D1 | 17 | 9 |
| D2 | 20 | 10 |
| D3 | 35 | 25 |
Can be found out by table 1, the voltage breakdown of the transformer oil obtained by the present invention before not using is better than conventional commercial product, the transformer oil obtained outward in the scope of the invention does not then possess good voltage breakdown, especially obtained in preferable range of the present invention transformer oil has better voltage breakdown, thus this transformer oil is made to have good insulating property, after some time of use, the voltage breakdown of the transformer oil that the present invention obtains is still without considerable change, but the transformer oil obtained outward in the scope of the invention and conventional commercial transformer oil then breakdown potential have been pressed with certain change, therefore, can find out that the transformer oil that the present invention obtains has good insulating property, and bring some impurity in use for some time into, its insulating property still do not have obvious change.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. a preparation method for transformer oil, is characterized in that, described preparation method comprises:
(1) nano zine oxide is added in transformer foundation oil mix, obtain mixture M 1;
(2) in mixture M 1, add oxidation inhibitor and metal passivator, obtain transformer oil; Wherein,
Relative to the transformer foundation oil of 100 weight parts, the consumption of described nano zine oxide is 10-30 weight part, and the consumption of described oxidation inhibitor is 0.2-2 weight part, and the consumption of described metal passivator is 0.2-5 weight part.
2. preparation method according to claim 1, wherein, relative to the transformer foundation oil of 100 weight parts, the consumption of described nano zine oxide is 15-25 weight part, the consumption of described oxidation inhibitor is 0.5-1 weight part, and the consumption of described metal passivator is 0.5-2 weight part.
3. preparation method according to claim 1 and 2, wherein, the magnetic force vibration that is mixed in step (1) mixes.
4. preparation method according to claim 1 and 2, wherein, described transformer foundation oil is naphthenic base crude or paraffinic crude.
5. preparation method according to claim 4, wherein, described transformer foundation oil is naphthenic base crude.
6. preparation method according to claim 1 and 2, wherein, the median size of described nano zine oxide is 10-50nm, and specific surface area is not less than 30m
2/ g.
7. preparation method according to claim 1 and 2, wherein, described oxidation inhibitor is 2,6 ditertiary butyl p cresol and/or 2,6 di t butyl phenol.
8. preparation method according to claim 1 and 2, wherein, described metal passivator is 124 Triazole derivative.
9. the transformer oil obtained according to the preparation method in claim 1-8 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410545869.4A CN104357186A (en) | 2014-10-15 | 2014-10-15 | Transformer oil and preparation method thereof |
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| CN201410545869.4A CN104357186A (en) | 2014-10-15 | 2014-10-15 | Transformer oil and preparation method thereof |
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| CN104357186A true CN104357186A (en) | 2015-02-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062649A (en) * | 2015-09-21 | 2015-11-18 | 中国石油化工股份有限公司 | Trace-antioxidant-containing transformer oil composition |
| CN107987930A (en) * | 2016-10-27 | 2018-05-04 | 江苏瑞凌新能源科技有限公司 | A kind of high-performance transformer oil |
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| WO2007096709A2 (en) * | 2005-12-30 | 2007-08-30 | Abb Research Ltd. | Improved method for on-line removal of corrosive components of transformer oil |
| CN101950601A (en) * | 2010-07-29 | 2011-01-19 | 重庆大学 | Composite of mineral insulating oil and modified nanoparticle powder as well as application and preparation method thereof |
| CN102660354A (en) * | 2012-04-25 | 2012-09-12 | 上海福岛化工科技发展有限公司 | Anti-oxidation anti-gassing transformer oil |
| CN103013633A (en) * | 2012-12-17 | 2013-04-03 | 广东电网公司电力科学研究院 | Transformer oil with excellent cooling heat-radiating and moisture preventing properties and preparation method thereof |
| CN103952214A (en) * | 2014-04-16 | 2014-07-30 | 江苏倍尔科技发展有限公司 | Thermal conductive transformer oil containing nanometer aluminum oxide |
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2014
- 2014-10-15 CN CN201410545869.4A patent/CN104357186A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007096709A2 (en) * | 2005-12-30 | 2007-08-30 | Abb Research Ltd. | Improved method for on-line removal of corrosive components of transformer oil |
| CN101950601A (en) * | 2010-07-29 | 2011-01-19 | 重庆大学 | Composite of mineral insulating oil and modified nanoparticle powder as well as application and preparation method thereof |
| CN102660354A (en) * | 2012-04-25 | 2012-09-12 | 上海福岛化工科技发展有限公司 | Anti-oxidation anti-gassing transformer oil |
| CN103013633A (en) * | 2012-12-17 | 2013-04-03 | 广东电网公司电力科学研究院 | Transformer oil with excellent cooling heat-radiating and moisture preventing properties and preparation method thereof |
| CN103952214A (en) * | 2014-04-16 | 2014-07-30 | 江苏倍尔科技发展有限公司 | Thermal conductive transformer oil containing nanometer aluminum oxide |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062649A (en) * | 2015-09-21 | 2015-11-18 | 中国石油化工股份有限公司 | Trace-antioxidant-containing transformer oil composition |
| CN107987930A (en) * | 2016-10-27 | 2018-05-04 | 江苏瑞凌新能源科技有限公司 | A kind of high-performance transformer oil |
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