CN104312377A - High temperature-resistant insulating transformer and processing method thereof - Google Patents
High temperature-resistant insulating transformer and processing method thereof Download PDFInfo
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- CN104312377A CN104312377A CN201410498470.5A CN201410498470A CN104312377A CN 104312377 A CN104312377 A CN 104312377A CN 201410498470 A CN201410498470 A CN 201410498470A CN 104312377 A CN104312377 A CN 104312377A
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- 238000003672 processing method Methods 0.000 title abstract 2
- 239000003973 paint Substances 0.000 claims abstract description 117
- 239000000203 mixture Substances 0.000 claims abstract description 59
- 239000003822 epoxy resin Substances 0.000 claims abstract description 42
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 42
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000945 filler Substances 0.000 claims abstract description 27
- 239000004342 Benzoyl peroxide Substances 0.000 claims abstract description 21
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims abstract description 21
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 21
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims abstract description 21
- 235000019400 benzoyl peroxide Nutrition 0.000 claims abstract description 21
- 239000003063 flame retardant Substances 0.000 claims abstract description 21
- 229920001721 polyimide Polymers 0.000 claims abstract description 21
- 239000009719 polyimide resin Substances 0.000 claims abstract description 21
- 239000011591 potassium Substances 0.000 claims abstract description 21
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 21
- 235000019832 sodium triphosphate Nutrition 0.000 claims abstract description 21
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims abstract description 21
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 39
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 31
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 23
- 230000001680 brushing effect Effects 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 18
- 229920003987 resole Polymers 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 15
- 239000010445 mica Substances 0.000 claims description 11
- 229910052618 mica group Inorganic materials 0.000 claims description 11
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 10
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 8
- 229930185605 Bisphenol Natural products 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- 239000010425 asbestos Substances 0.000 claims description 4
- 229910021538 borax Inorganic materials 0.000 claims description 4
- 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 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 239000004328 sodium tetraborate Substances 0.000 claims description 4
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 abstract description 7
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract 2
- 229920001568 phenolic resin Polymers 0.000 abstract 2
- 239000005011 phenolic resin Substances 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 5
- 239000012764 mineral filler Substances 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- ZCSHACFHMFHFKK-UHFFFAOYSA-N 2-methyl-1,3,5-trinitrobenzene;2,4,6-trinitro-1,3,5-triazinane Chemical compound [O-][N+](=O)C1NC([N+]([O-])=O)NC([N+]([O-])=O)N1.CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O ZCSHACFHMFHFKK-UHFFFAOYSA-N 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/67—Particle size smaller than 100 nm
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/69—Particle size larger than 1000 nm
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a high temperature-resistant insulating transformer and a processing method thereof. Inner and outer walls of the high temperature-resistant insulating transformer are coated with a high temperature-resistant insulating paint composition. The high temperature-resistant insulating paint composition comprises epoxy resin, phenolic resin, polyimide resin, zinc borate, trimethylol propane, benzoyl peroxide, potassium tripolyphosphate, nanometer titanium dioxide, a filler and a fire retardant. Based on the epoxy resin, the composition comprises, by weight, 15-20 parts of phenolic resin, 6-9 parts of polyimide resin, 5-10 parts of zinc borate, 50-70 parts of trimethylol propane, 12-20 parts of benzoyl peroxide, 2-9 parts of potassium tripolyphosphate, 0.5-1.5 parts of nanometer titanium dioxide, 7-12 parts of a filler and 5-10 parts of a fire retardant. The high temperature-resistant insulating transformer has excellent disruptive strength, volume resistivity and high temperature resistance.
Description
Technical field
The present invention relates to transformer, particularly, relate to a kind of high-temperature insulation transformer and working method thereof.
Background technology
At present, the surface of power equipment need apply one deck insulating material, if insulation compound, insullac etc. are to improve the external insulation of power equipment, this not only increases the security of power system, also improve the reliability of system cloud gray model, the thrifty to a certain extent cost of power equipment.
But the insulating material complex manufacturing technology on existing high-temperature insulation transformer causes production cost high, the simultaneously high temperature resistant and insulation effect of high-temperature insulation transformer not obvious.
Summary of the invention
The object of this invention is to provide a kind of high-temperature insulation transformer and working method thereof, the high-temperature insulation transformer obtained by this working method has high temperature resistant and excellent insulation effect, and this process steps is simple simultaneously, and raw material is easy to get.
To achieve these goals, the invention provides a kind of high-temperature-resistant insulating paint transformer, the inside and outside wall of described transformer scribbles high-temperature-resistant insulating paint composition, described composition comprises epoxy resin, resol, polyimide resin, zinc borate, TriMethylolPropane(TMP), benzoyl peroxide, Potassium tripolyphosphate, nano titanium oxide, filler and fire retardant;
Wherein, relative to the epoxy resin of 100 weight parts, the content of described resol is 15-20 weight part, the content of described polyimide resin is 6-9 weight part, the content of described zinc borate is 5-10 weight part, the content of described TriMethylolPropane(TMP) is 50-70 weight part, the content of described benzoyl peroxide is 12-20 weight part, the content of described Potassium tripolyphosphate is 2-9 weight part, the content of described nano titanium oxide is 0.5-1.5 weight part, the content of described filler is 7-12 weight part, and the content of described fire retardant is 5-10 weight part.
Present invention also offers a kind of working method of high-temperature insulation transformer, described working method comprises:
A, by epoxy resin, resol, polyimide resin, zinc borate, TriMethylolPropane(TMP), benzoyl peroxide, Potassium tripolyphosphate, nano titanium oxide, filler and fire retardant heating be mixed and made into high-temperature-resistant insulating paint composition;
B, by the brushing of described high-temperature-resistant insulating paint composition on the inside and outside wall of transformer box;
Wherein, relative to the epoxy resin of 100 weight parts, the consumption of described resol is 15-20 weight part, the consumption of described polyimide resin is 6-9 weight part, the consumption of described zinc borate is 5-10 weight part, the consumption of described TriMethylolPropane(TMP) is 50-70 weight part, the consumption of described benzoyl peroxide is 12-20 weight part, the consumption of described Potassium tripolyphosphate is 2-9 weight part, the consumption of described nano titanium oxide is 0.5-1.5 weight part, the consumption of described filler is 7-12 weight part, and the consumption of described fire retardant is 5-10 weight part.
Pass through technique scheme, the present invention obtains high-temperature-resistant insulating paint composition by adding zinc borate, TriMethylolPropane(TMP), benzoyl peroxide, Potassium tripolyphosphate, nano titanium oxide, filler and fire retardant under the condition of heating in epoxy resin, resol and polyimide resin, then this high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, the heat resisting temperature of this paint film is more than 500 DEG C, disruptive strength is at more than 160KV/m, and volume specific resistance is 1.5 × 10
4Ω more than ﹒ m.This process steps is simple simultaneously, and raw material is easy to get, and cost is low.
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 and give a kind of high-temperature-resistant insulating paint transformer, the inside and outside wall of described transformer scribbles high-temperature-resistant insulating paint composition, described composition comprises epoxy resin, resol, polyimide resin, zinc borate, TriMethylolPropane(TMP), benzoyl peroxide, Potassium tripolyphosphate, nano titanium oxide, filler and fire retardant.Wherein, relative to the epoxy resin of 100 weight parts, the content of described resol is 15-20 weight part, the content of described polyimide resin is 6-9 weight part, the content of described zinc borate is 5-10 weight part, the content of described TriMethylolPropane(TMP) is 50-70 weight part, the content of described benzoyl peroxide is 12-20 weight part, the content of described Potassium tripolyphosphate is 2-9 weight part, the content of described nano titanium oxide is 0.5-1.5 weight part, the content of described filler is 7-12 weight part, and the content of described fire retardant is 5-10 weight part.
In the present invention, the particle diameter of described nano titanium oxide can be selected in wide scope, can be the titanium dioxide of any one Nano grade known in the art, but consider from the high temperature resistant and insulation effect of cost and high-temperature-resistant insulating paint composition, preferably, the particle diameter of described nano titanium oxide is 5-10nm.
In the present invention, the kind of described filler can be selected in wide scope, it can be any one mineral filler known in the art, but consider from the high temperature resistant and insulation effect of cost and high-temperature-resistant insulating paint composition, preferably, described filler is selected from one or more in mica powder, talcum powder, asbestos powder and kaolin.
In the present invention, the particle diameter of described filler can be selected in wide scope, but considers from the high temperature resistant and insulation effect of cost and high-temperature-resistant insulating paint composition, and preferably, the particle diameter of described filler is 0.05-0.15mm.
In the present invention, the kind of described fire retardant can be selected in wide scope, it can be any one mineral filler known in the art, but consider from the high temperature resistant and insulation effect of cost and high-temperature-resistant insulating paint composition, preferably, described fire retardant is selected from one or more in zirconium white, antimonous oxide and borax.
In the present invention, the kind of described epoxy resin can be selected in wide scope, can be any one epoxy resin known in the art, but consider from the high temperature resistant and insulation effect of cost and high-temperature-resistant insulating paint composition, preferably, described epoxy resin is bisphenol A type epoxy resin and/or bisphenol f type epoxy resin.
Present invention also offers a kind of working method of high-temperature insulation transformer, described working method comprises:
A, by epoxy resin, resol, polyimide resin, zinc borate, TriMethylolPropane(TMP), benzoyl peroxide, Potassium tripolyphosphate, nano titanium oxide, filler and fire retardant heating be mixed and made into high-temperature-resistant insulating paint composition;
B, by the brushing of described high-temperature-resistant insulating paint composition on the inside and outside wall of transformer box;
Wherein, relative to the epoxy resin of 100 weight parts, the consumption of described resol is 15-20 weight part, the consumption of described polyimide resin is 6-9 weight part, the consumption of described zinc borate is 5-10 weight part, the consumption of described TriMethylolPropane(TMP) is 50-70 weight part, the consumption of described benzoyl peroxide is 12-20 weight part, the consumption of described Potassium tripolyphosphate is 2-9 weight part, the consumption of described nano titanium oxide is 0.5-1.5 weight part, the consumption of described filler is 7-12 weight part, and the consumption of described fire retardant is 5-10 weight part.
In working method provided by the invention, the particle diameter of described nano titanium oxide can be selected in wide scope, can be the titanium dioxide of any one Nano grade known in the art, but consider from the high temperature resistant and insulation effect of cost and high-temperature-resistant insulating paint composition, preferably, the particle diameter of described nano titanium oxide is 5-10nm.
In working method provided by the invention, the kind of described filler can be selected in wide scope, it can be any one mineral filler known in the art, but consider from the high temperature resistant and insulation effect of cost and high-temperature-resistant insulating paint composition, preferably, described filler is selected from one or more in mica powder, talcum powder, asbestos powder and kaolin.
In working method provided by the invention, the particle diameter of described filler can be selected in wide scope, but considers from the high temperature resistant and insulation effect of cost and high-temperature-resistant insulating paint composition, and preferably, the particle diameter of described filler is 0.05-0.15mm.
In working method provided by the invention, the kind of described fire retardant can be selected in wide scope, it can be any one mineral filler known in the art, but consider from the high temperature resistant and insulation effect of cost and high-temperature-resistant insulating paint composition, preferably, described fire retardant is selected from one or more in zirconium white, antimonous oxide and borax.
In working method provided by the invention, the kind of described epoxy resin can be selected in wide scope, can be any one epoxy resin known in the art, but consider from the high temperature resistant and insulation effect of cost and high-temperature-resistant insulating paint composition, preferably, described epoxy resin is bisphenol A type epoxy resin and/or bisphenol f type epoxy resin.
In working method provided by the invention, temperature and the mixing time of described heating mixing can be selected in wide scope, but consider from cost and production efficiency, and preferably, the temperature of described heating mixing is 180-220 DEG C, and mixing time is 2-3h.
Below will be described the present invention by embodiment.In following examples, heat resisting temperature parameter, disruptive strength parameter and volume specific resistance parameter are all recorded by the method for GB1981-81.
Bisphenol A type epoxy resin is the product of Guangzhou Yuan Chuan Chemical Co., Ltd., bisphenol f type epoxy resin is the product of Guangzhou Wei Lina Chemical Co., Ltd., resol is the product of Shanghai Wei Pu Chemical Engineering Technology Services Co., Ltd, polyimide resin is the product of Suzhou Dao Chou engineering plastic company limited, zinc borate is the product of Hefei Wan Ran novel material Science and Technology Ltd., TriMethylolPropane(TMP) is the product of Guangzhou Xin Putai Chemical Co., Ltd., benzoyl peroxide is the product of Hengshui Sheng Hua rubber and plastic Science and Technology Ltd., Potassium tripolyphosphate is the product of Changzhou river phosphorous chemical industry company limited, nano titanium oxide is the product of Shanghai Tai Yan Industrial Co., Ltd..
Embodiment 1
At 200 DEG C, by 100kg bisphenol A type epoxy resin, resol 18kg, polyimide resin 8kg, zinc borate 7kg, TriMethylolPropane(TMP) 60kg, benzoyl peroxide 16kg, Potassium tripolyphosphate 5kg, nano titanium oxide 1kg, mica powder 10kg and zirconium white 8kg mixing 2.5h, the then obtained high-temperature-resistant insulating paint composition A1 of cooling.Wherein, the particle diameter of sodium rice titanium dioxide is 8nm, and the particle diameter of mica powder is 0.1mm.
At 25 DEG C, this high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Embodiment 2
At 180 DEG C, by 100kg bisphenol A type epoxy resin, resol 15kg, polyimide resin 6kg, zinc borate 5kg, TriMethylolPropane(TMP) 50kg, benzoyl peroxide 12kg, Potassium tripolyphosphate 2kg, nano titanium oxide 0.5kg, mica powder 7kg and zirconium white 5kg mixing 2h, the then obtained high-temperature-resistant insulating paint composition A2 of cooling.Wherein, the particle diameter of sodium rice titanium dioxide is 5nm, and the particle diameter of mica powder is 0.05mm.
At 20 DEG C, this high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Embodiment 3
At 220 DEG C, by 100kg bisphenol A type epoxy resin, resol 20kg, polyimide resin 9kg, zinc borate 10kg, TriMethylolPropane(TMP) 70kg, benzoyl peroxide 20kg, Potassium tripolyphosphate 9kg, nano titanium oxide 1.5kg, mica powder 12kg and zirconium white 10kg mixing 3h, the then obtained high-temperature-resistant insulating paint composition A3 of cooling.Wherein, the particle diameter of sodium rice titanium dioxide is 10nm, and the particle diameter of mica powder is 0.15mm.
At 30 DEG C, this high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Embodiment 4
Carry out according to the method for embodiment 1, difference is, bisphenol A type epoxy resin is changed to bisphenol f type epoxy resin, and zirconium white is changed to antimonous oxide, obtained high-temperature-resistant insulating paint composition A4.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Embodiment 5
Carry out according to the method for embodiment 1, difference is, bisphenol A type epoxy resin is changed to bisphenol f type epoxy resin, and mica powder is changed to talcum powder, obtained high-temperature-resistant insulating paint composition A5.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 1
Carry out according to the method for embodiment 1, difference is, bisphenol A type epoxy resin is 5kg, obtained high-temperature-resistant insulating paint composition B1.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 2
Carry out according to the method for embodiment 1, difference is, bisphenol A type epoxy resin is 25kg, obtained high-temperature-resistant insulating paint composition B2.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 3
Carry out according to the method for embodiment 1, difference is, polyimide resin is 4kg, obtained high-temperature-resistant insulating paint composition B3.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 4
Carry out according to the method for embodiment 1, difference is, polyimide resin is 12kg, obtained high-temperature-resistant insulating paint composition B4.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 5
Carry out according to the method for embodiment 1, difference is, not containing nano titanium oxide, and obtained high-temperature-resistant insulating paint composition B5.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 6
Carry out according to the method for embodiment 1, difference is, nano titanium oxide is 3kg, obtained high-temperature-resistant insulating paint composition B6.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 7
Carry out according to the method for embodiment 1, difference is, benzoyl peroxide is 5kg, obtained high-temperature-resistant insulating paint composition B7.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 8
Carry out according to the method for embodiment 1, difference is, benzoyl peroxide is 25kg, obtained high-temperature-resistant insulating paint composition B8.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 9
Carry out according to the method for embodiment 1, difference is, TriMethylolPropane(TMP) is 30kg, obtained high-temperature-resistant insulating paint composition B9.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 10
Carry out according to the method for embodiment 1, difference is, TriMethylolPropane(TMP) is 80kg, obtained high-temperature-resistant insulating paint composition B10.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 11
Carry out according to the method for embodiment 1, difference is, Potassium tripolyphosphate is 1kg, and zinc borate is 15kg, obtained high-temperature-resistant insulating paint composition B11.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Comparative example 12
Carry out according to the method for embodiment 1, difference is, Potassium tripolyphosphate is 12kg, and zinc borate is 4kg, obtained high-temperature-resistant insulating paint combination B 12.
This high-temperature-resistant insulating paint composition brushing is formed paint film on the inside and outside wall of transformer, and the high temperature resistant parameter of this paint film, disruptive strength parameter and volume specific resistance parameter are in table 1.
Table 1
| ? | High temperature resistant (500 DEG C) | Disruptive strength (KV/m) | Volume specific resistance (10 4Ω﹒m) |
| A1 | Paint film is normal | 175 | 1.81 |
| A2 | Paint film is normal | 170 | 1.70 |
| A3 | Paint film is normal | 168 | 1.65 |
| A4 | Paint film is normal | 164 | 1.68 |
| A5 | Paint film is normal | 172 | 1.75 |
| B1 | Coming off appears in paint film | 130 | 1.35 |
| B2 | Coming off appears in paint film | 140 | 1.27 |
| B3 | Coming off appears in paint film | 130 | 1.28 |
| B4 | Coming off appears in paint film | 135 | 1.19 |
| B5 | Coming off appears in paint film | 128 | 1.22 |
| B6 | Coming off appears in paint film | 127 | 1.24 |
| B7 | Coming off appears in paint film | 119 | 1.28 |
| B8 | Coming off appears in paint film | 124 | 1.34 |
| B9 | Coming off appears in paint film | 108 | 1.32 |
| B10 | Coming off appears in paint film | 117 | 1.25 |
| B11 | Coming off appears in paint film | 113 | 1.21 |
| B12 | Coming off appears in paint film | 126 | 1.19 |
By above-described embodiment and comparative example known, high-temperature insulation transformer provided by the invention has excellent high temperature resistant, disruptive strength and volume specific resistance, and the method steps simultaneously processing this transformer is simple, and raw material is easy to get.
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 (10)
1. a high-temperature-resistant insulating paint transformer, it is characterized in that, the inside and outside wall of described transformer scribbles high-temperature-resistant insulating paint composition, described composition comprises epoxy resin, resol, polyimide resin, zinc borate, TriMethylolPropane(TMP), benzoyl peroxide, Potassium tripolyphosphate, nano titanium oxide, filler and fire retardant;
Wherein, relative to the epoxy resin of 100 weight parts, the content of described resol is 15-20 weight part, the content of described polyimide resin is 6-9 weight part, the content of described zinc borate is 5-10 weight part, the content of described TriMethylolPropane(TMP) is 50-70 weight part, the content of described benzoyl peroxide is 12-20 weight part, the content of described Potassium tripolyphosphate is 2-9 weight part, the content of described nano titanium oxide is 0.5-1.5 weight part, the content of described filler is 7-12 weight part, and the content of described fire retardant is 5-10 weight part.
2. high-temperature-resistant insulating paint transformer according to claim 1, wherein, the particle diameter of described nano titanium oxide is 5-10nm.
3. high-temperature-resistant insulating paint transformer according to claim 1 and 2, wherein, described filler be selected from mica powder, talcum powder, asbestos powder and kaolin one or more;
Preferably, described epoxy resin is bisphenol A type epoxy resin and/or bisphenol f type epoxy resin.
4. high-temperature-resistant insulating paint transformer according to claim 3, wherein, the particle diameter of described filler is 0.05-0.15mm.
5. high-temperature-resistant insulating paint transformer according to claim 1 and 2, wherein, described fire retardant be selected from zirconium white, antimonous oxide and borax one or more.
6. a working method for high-temperature insulation transformer, is characterized in that, described working method comprises:
A, by epoxy resin, resol, polyimide resin, zinc borate, TriMethylolPropane(TMP), benzoyl peroxide, Potassium tripolyphosphate, nano titanium oxide, filler and fire retardant heating be mixed and made into high-temperature-resistant insulating paint composition;
B, by the brushing of described high-temperature-resistant insulating paint composition on the inside and outside wall of transformer box;
Wherein, relative to the epoxy resin of 100 weight parts, the consumption of described resol is 15-20 weight part, the consumption of described polyimide resin is 6-9 weight part, the consumption of described zinc borate is 5-10 weight part, the consumption of described TriMethylolPropane(TMP) is 50-70 weight part, the consumption of described benzoyl peroxide is 12-20 weight part, the consumption of described Potassium tripolyphosphate is 2-9 weight part, the consumption of described nano titanium oxide is 0.5-1.5 weight part, the consumption of described filler is 7-12 weight part, and the consumption of described fire retardant is 5-10 weight part.
7. working method according to claim 6, wherein, the particle diameter of described nano titanium oxide is 5-10nm;
Preferably, described filler is selected from one or more in mica powder, talcum powder, asbestos powder and kaolin.
8. working method according to claim 7, wherein, the particle diameter of described filler is 0.05-0.15mm.
9. working method according to claim 7, wherein, described fire retardant be selected from zirconium white, antimonous oxide and borax one or more;
Preferably, described epoxy resin is bisphenol A type epoxy resin and/or bisphenol f type epoxy resin.
10. the working method according to any one in claim 6-9, wherein, the temperature of described heating mixing is 180-220 DEG C, and mixing time is 2-3h;
Preferably, in step b, brushing temperature is 20-30 DEG C.
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Cited By (4)
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| CN105374537A (en) * | 2015-11-26 | 2016-03-02 | 芜湖金牛电气股份有限公司 | Transformer case and preparation method thereof |
| CN106116518A (en) * | 2016-07-01 | 2016-11-16 | 江西高强电瓷集团有限公司 | The toughness reinforcing porcelain insulator of the above high-performance of 420KN grade and manufacture method thereof |
| CN107068377A (en) * | 2017-05-12 | 2017-08-18 | 江苏恒炫电气有限公司 | A kind of transformer application process |
| CN110423555A (en) * | 2019-08-10 | 2019-11-08 | 蚌埠市正园电子科技有限公司 | A kind of explosion-proof transformer paint |
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Cited By (5)
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| CN105374537A (en) * | 2015-11-26 | 2016-03-02 | 芜湖金牛电气股份有限公司 | Transformer case and preparation method thereof |
| CN105374537B (en) * | 2015-11-26 | 2017-10-03 | 芜湖金牛电气股份有限公司 | Transformer case and preparation method thereof |
| CN106116518A (en) * | 2016-07-01 | 2016-11-16 | 江西高强电瓷集团有限公司 | The toughness reinforcing porcelain insulator of the above high-performance of 420KN grade and manufacture method thereof |
| CN107068377A (en) * | 2017-05-12 | 2017-08-18 | 江苏恒炫电气有限公司 | A kind of transformer application process |
| CN110423555A (en) * | 2019-08-10 | 2019-11-08 | 蚌埠市正园电子科技有限公司 | A kind of explosion-proof transformer paint |
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| CN104312377B (en) | 2017-01-11 |
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