CN104774677A - Preparation method of high-ignition-point transformer oil - Google Patents
Preparation method of high-ignition-point transformer oil Download PDFInfo
- Publication number
- CN104774677A CN104774677A CN201510205031.5A CN201510205031A CN104774677A CN 104774677 A CN104774677 A CN 104774677A CN 201510205031 A CN201510205031 A CN 201510205031A CN 104774677 A CN104774677 A CN 104774677A
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- Prior art keywords
- oil
- transformer oil
- preparation
- point transformer
- flashover point
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- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000003921 oil Substances 0.000 claims abstract description 75
- 235000019198 oils Nutrition 0.000 claims abstract description 75
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 235000019484 Rapeseed oil Nutrition 0.000 claims abstract description 9
- 239000002199 base oil Substances 0.000 claims abstract description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 9
- 239000011707 mineral Substances 0.000 claims abstract description 9
- 239000003549 soybean oil Substances 0.000 claims abstract description 9
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 8
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 11
- 239000002594 sorbent Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 239000005995 Aluminium silicate Substances 0.000 claims description 5
- 239000003216 Oxystearin Substances 0.000 claims description 5
- 235000012211 aluminium silicate Nutrition 0.000 claims description 5
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 5
- 235000019302 oxystearin Nutrition 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000002480 mineral oil Substances 0.000 abstract description 11
- 235000010446 mineral oil Nutrition 0.000 abstract description 11
- -1 hydroxy stearin Chemical compound 0.000 abstract description 2
- DCXXMTOCNZCJGO-UHFFFAOYSA-N Glycerol trioctadecanoate Natural products CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 abstract 1
- 239000003463 adsorbent Substances 0.000 abstract 1
- 239000003146 anticoagulant agent Substances 0.000 abstract 1
- 229940127219 anticoagulant drug Drugs 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 235000015112 vegetable and seed oil Nutrition 0.000 abstract 1
- 239000008158 vegetable oil Substances 0.000 abstract 1
- 235000013311 vegetables Nutrition 0.000 description 10
- 239000002131 composite material Substances 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 235000019282 butylated hydroxyanisole Nutrition 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 125000005908 glyceryl ester group Chemical group 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000021281 monounsaturated fatty acids Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Organic Insulating Materials (AREA)
- Lubricants (AREA)
Abstract
The invention provides a preparation method of high-ignition-point transformer oil. The transformer oil is composed of the following components in parts by weight: 5-10 parts of rapeseed oil, 20-40 parts of soybean oil, 10-20 parts of mineral base oil, 0.1-0.5 part of anticoagulant and 0.01-0.05 part of antioxidant. The preparation method comprises the following steps: uniformly stirring the rapeseed oil and soybean oil in a reaction kettle, adding the mineral base oil, and adding hydroxy stearin under stirring conditions to obtain a mixture A; taking an adsorbent, adding into the mixture A, and keeping the temperature to obtain a mixture B; and taking the antioxidant, and adding into the mixture B to obtain the high-ignition-point transformer oil. By compounding the mineral oil and vegetable oil, the transformer oil has favorable insulating property, and the flash point and ignition point are respectively higher than 300 DEG C; and thus, the transformer oil is applicable to locations with higher requirements for fire resistance.
Description
Technical field
The present invention relates to and transformer insulatedly use oily preparation field, particularly relate to a kind of preparation method of high flashover point transformer oil.
Background technology
Current transformer mainly adopts mineral oil to insulate, and mineral oil has good insulating property and thermal conductivity, and cost is not high yet, but burning-point is lower, biodegradability is poor, leakage occurs and pollutes the environment, be therefore less compliant in densely populated area and high-rise and use.In addition, mineral oil is a kind of non-renewable resource, there will be in short supply and exhausted, must find its substitute to certain hour.20 century 70s adopt the silicone fluid of high burning-point, because the biological degradation rate of silicone fluid is low, on the high side, can not mix with other oils, so limit its application, subsequently, start to adopt vegetables oil to carry out proxy mineral oil some insulation situations people, vegetables oil is as transformer steeping fluid, require further improvement, the composition of the stability of vegetables oil mainly lipid acid determines, saturated glycerin fatty acid ester stability is higher, but at room temperature can be frozen into solid, so monounsaturated fatty acids glyceryl ester generally will be used as insulating liquid.
Through the retrieval to prior art, Chinese invention patent 201310086039.5 (publication date on June 5th, 2013) discloses a kind of transformer insulation oil, comprise modified swill-cooked dirty oil and antioxidant, wherein, modified swill-cooked dirty oil is prepared in accordance with the following methods: sewer oil is carried out depickling process and desolventing technology successively.The present invention take sewer oil as raw material, adds antioxidant and obtain transformer insulation oil after it is carried out depickling process and desolventing technology successively.This invents physico-chemical property and the electrical properties of the transformer insulation oil provided, and comprise the standard that transparency, density, acid number and frequency breakdown voltage etc. all meet transformer insulation oil technological standard GB2535-90, and its frequency breakdown voltage is far above mineral oil; Meanwhile, the transformer insulation oil that this invention provides has good ageing resistance.In addition, this invention is with discarded sewer oil for raw material, and not only cost is low, and can reuse resource, can not to environmental danger.But impurity is still more in modified swill-cooked dirty oil, oxidizing substance is removed unclean, can affect the insulating property of transformer oil.
It take vegetables oil as the environmental protection transformer oil of raw material that Chinese invention patent 200910103709.3 (publication date: on September 23rd, 2009) discloses a kind of, flash-point is high, antioxidative stabilizer is strong, primarily of fatty acid triglycercide and antioxidant composition, in further technical scheme, also include metal passivator, this invention is that the environmental protection transformer oil of raw material is obtained by refining by vegetables oil with vegetables oil, not containing toxic substance, can not damage environment and human body, and can biological degradation fast and up hill and dale, a kind of environment-friendly type insulated liquid, its flash-point and burning-point are all higher than 300 DEG C, the place that high fire resistance requires can be applied to, and the risk of presence of fire and blast is all far below traditional transformer oil, other performance index also meet the standard GB/T 2536-90 of mineral transformer oil completely, and this transformer oil forms by various plants oil is composite, although burning-point is higher, but also can cause burning under high temperature.
Summary of the invention
Provide hereinafter about brief overview of the present invention, to provide about the basic comprehension in some of the present invention.Should be appreciated that this general introduction is not summarize about exhaustive of the present invention.It is not that intention determines key of the present invention or integral part, and nor is it intended to limit the scope of the present invention.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
The invention provides a kind of preparation method of high flashover point transformer oil, described preparation method is made up of following steps:
Step one, first stirs in a kettle. by rapeseed oil 5-10 part and soybean oil 20-40 part, then adds mineral substance base oil 10-20 part, adds Oxystearin 0.01-0.05 part, obtain mixture A under agitation condition;
Step 2, gets sorbent material, joins in mixture A, and insulation, obtains mixture B;
Step 3, gets antioxidant 0.01-0.05 part, joins in mixture B, obtain high flashover point transformer oil.
Preferably, in the preparation method of described high flashover point transformer oil, stirring velocity when rapeseed oil and soybean oil mixing is 150-180 rev/min.
Preferably, the sorbent material in described high flashover point transformer oil is kaolin, polynite, one or more in diatomite.
Preferably, the particle diameter of described sorbent material is 2-10 μm.
Preferably, in described high flashover point transformer oil preparation method, the per-cent that the consumption of described sorbent material accounts for high flashover point transformer oil gross weight is 1-3%.
Preferably, in described step 2, the temperature of described insulation is 0-50 degree Celsius.
Compared with prior art, the present invention has following beneficial effect: transformer oil prepared by the present invention is by mineral oil and the composite use of vegetables oil, be the good transformer oil of a kind of insulating property, its lightning and burning-point, all higher than 300 DEG C, can be used in the place higher to fire protection requirement.
Embodiment
Embodiments of the invention are described below.The element described in one embodiment of the invention and feature can combine with the element shown in one or more other embodiment and feature.It should be noted that for purposes of clarity, in explanation, eliminate expression and the description of unrelated to the invention, parts known to persons of ordinary skill in the art and process.
Embodiment 1
Present embodiments provide a kind of preparation method of high flashover point transformer oil, its preparation method is: first 5 portions of rapeseed oils and 20 parts of soybean oil are stirred in a kettle., then 10 parts of mineral substance base oils are added, 0.01 part of Oxystearin is added under continuing stirring, then the kaolin of 1% is added by the impurity absorption of three kinds of finishes, finally in miscible oil, add 0.01 part of butylated hydroxy anisole (BHA), obtain high flashover point transformer oil.
Embodiment 2
Present embodiments provide a kind of preparation method of high flashover point transformer oil, its preparation method is: first 7 portions of rapeseed oils and 30 parts of soybean oil are stirred in a kettle., stirring velocity is 150 revs/min, then 10 parts of mineral substance base oils are added, 0.01 part of Oxystearin is added under continuing stirring, then add the kaolin of 1% by the impurity absorption of three kinds of finishes, in miscible oil, finally add 0.01 part of butylated hydroxy anisole (BHA), obtain high flashover point transformer oil.
Embodiment 3
Present embodiments provide a kind of preparation method of high flashover point transformer oil, its preparation method is: first 7 portions of rapeseed oils and 30 parts of soybean oil are stirred in a kettle., stirring velocity is 150 revs/min, then 10 parts of mineral substance base oils are added, 0.01 part of Oxystearin is added under continuing stirring, then add the kaolin of 1% by the impurity absorption of three kinds of finishes, in miscible oil, finally add 0.01 part of butylated hydroxy anisole (BHA), obtain high flashover point transformer oil.
Comparative example 1
Comparative example is minal matter base oil 25# transformer oil, and its group wants composition to be 80% naphthene base crude oil, and all the other are aromatic hydrocarbon and alkane.
Implementation result
Table 1 comparative example and embodiment test result
As shown in table 1, the vegetables oil that applicant finds to use preparation method of the present invention to prepare and the composite transformer oil specific inductivity of mineral oil are greater than mineral substance base oil, to withdraw deposit good insulation effect, and in the index of resistivity, mineral oil and composite transformer oil are more or less the same, insulativity is all better, belongs to difficult conducting medium.
Applicant finds further, and the voltage breakdown of vegetables oil and the composite transformer oil of mineral oil is higher, will exceed about 25% than simple mineral oil, illustrates that composite transformer oil is better than minal matter oil.
Applicant is after the lightning testing composite transformer oil and minal matter transformer oil and burning-point, test result shows, the lightning of minal matter oil is only 165 DEG C, and after adding vegetables oil, lightning is increased to more than 305 DEG C, the burning-point of minal matter transformer oil is 263 DEG C, run into when wire short-circuiting and high temperature gather and hold fire hazardous, and minimum 324 DEG C of the burning-point of composite transformer oil, improve 59 DEG C, greatly reduce the probability that transformer catches fire.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a preparation method for high flashover point transformer oil, is characterized in that, described preparation method is made up of following steps:
Step one, first stirs in a kettle. by rapeseed oil 5-10 part and soybean oil 20-40 part, then adds mineral substance base oil 10-20 part, adds Oxystearin 0.01-0.05 part, obtain mixture A under agitation condition;
Step 2, gets sorbent material, joins in mixture A, and insulation, obtains mixture B;
Step 3, gets antioxidant 0.01-0.05 part, joins in mixture B, obtain high flashover point transformer oil.
2. the preparation method of high flashover point transformer oil according to claim 1, is characterized in that, in the preparation method of described high flashover point transformer oil, stirring velocity when rapeseed oil and soybean oil mixing is 150-180 rev/min.
3. the preparation method of high flashover point transformer oil according to claim 1, is characterized in that, the sorbent material in described high flashover point transformer oil is kaolin, polynite, one or more in diatomite.
4. the preparation method of high flashover point transformer oil according to claim 3, is characterized in that, the particle diameter of described sorbent material is 2-10 μm.
5. the preparation method of high flashover point transformer oil according to claim 1, is characterized in that, in described high flashover point transformer oil preparation method, the per-cent that the consumption of described sorbent material accounts for high flashover point transformer oil gross weight is 1-3%.
6. the preparation method of high flashover point transformer oil according to claim 1, is characterized in that, in step 2, the temperature of described insulation is 0-50 degree Celsius.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510205031.5A CN104774677B (en) | 2015-04-27 | 2015-04-27 | A kind of preparation method of high flashover point transformer oil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510205031.5A CN104774677B (en) | 2015-04-27 | 2015-04-27 | A kind of preparation method of high flashover point transformer oil |
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| CN104774677A true CN104774677A (en) | 2015-07-15 |
| CN104774677B CN104774677B (en) | 2017-05-31 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105296099A (en) * | 2015-10-22 | 2016-02-03 | 铜陵三佳变压器有限责任公司 | Transformer oil with high stability |
| CN106046806A (en) * | 2016-07-26 | 2016-10-26 | 潘明华 | High-heat-radiativity insulating power transformer oil and preparation process thereof |
| CN106190501A (en) * | 2016-08-05 | 2016-12-07 | 上海中孚特种油品有限公司 | A kind of high flashover point transformer oil and preparation method thereof |
| CN106635329A (en) * | 2016-12-03 | 2017-05-10 | 马光德 | High-flash-point transformer oil and preparation method thereof |
| CN107384537A (en) * | 2017-06-28 | 2017-11-24 | 常州明华运输有限公司 | A kind of vegetable insulating oil and preparation method thereof |
| CN116731773A (en) * | 2023-06-13 | 2023-09-12 | 上海江天高分子材料有限公司 | Degradable soybean-based natural ester insulating oil and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6177031B1 (en) * | 1998-05-26 | 2001-01-23 | General Electric Company | Thixotropic dielectric fluid for capacitors |
| CN101619254A (en) * | 2009-07-24 | 2010-01-06 | 重庆大学 | Mixed insulating oil and preparation method thereof |
-
2015
- 2015-04-27 CN CN201510205031.5A patent/CN104774677B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6177031B1 (en) * | 1998-05-26 | 2001-01-23 | General Electric Company | Thixotropic dielectric fluid for capacitors |
| CN101619254A (en) * | 2009-07-24 | 2010-01-06 | 重庆大学 | Mixed insulating oil and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105296099A (en) * | 2015-10-22 | 2016-02-03 | 铜陵三佳变压器有限责任公司 | Transformer oil with high stability |
| CN106046806A (en) * | 2016-07-26 | 2016-10-26 | 潘明华 | High-heat-radiativity insulating power transformer oil and preparation process thereof |
| CN106190501A (en) * | 2016-08-05 | 2016-12-07 | 上海中孚特种油品有限公司 | A kind of high flashover point transformer oil and preparation method thereof |
| CN106190501B (en) * | 2016-08-05 | 2017-12-22 | 上海中孚特种油品有限公司 | A kind of high flashover point transformer oil and preparation method thereof |
| CN106635329A (en) * | 2016-12-03 | 2017-05-10 | 马光德 | High-flash-point transformer oil and preparation method thereof |
| CN107384537A (en) * | 2017-06-28 | 2017-11-24 | 常州明华运输有限公司 | A kind of vegetable insulating oil and preparation method thereof |
| CN116731773A (en) * | 2023-06-13 | 2023-09-12 | 上海江天高分子材料有限公司 | Degradable soybean-based natural ester insulating oil and preparation method and application thereof |
| CN116731773B (en) * | 2023-06-13 | 2023-12-12 | 上海江天高分子材料有限公司 | Degradable soybean-based natural ester insulating oil and preparation method and application thereof |
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| Publication number | Publication date |
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| CN104774677B (en) | 2017-05-31 |
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