CN105255276B - A kind of power industry special coating of saline-alkaline corrosion-resistant - Google Patents
A kind of power industry special coating of saline-alkaline corrosion-resistant Download PDFInfo
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- CN105255276B CN105255276B CN201510778821.2A CN201510778821A CN105255276B CN 105255276 B CN105255276 B CN 105255276B CN 201510778821 A CN201510778821 A CN 201510778821A CN 105255276 B CN105255276 B CN 105255276B
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- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 238000005260 corrosion Methods 0.000 title description 3
- 230000007797 corrosion Effects 0.000 title description 3
- 239000012212 insulator Substances 0.000 claims abstract description 15
- 239000010457 zeolite Substances 0.000 claims description 44
- 229910021536 Zeolite Inorganic materials 0.000 claims description 31
- 239000002105 nanoparticle Substances 0.000 claims description 29
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims description 14
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000010936 titanium Substances 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 7
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910000077 silane Inorganic materials 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 229910004042 HAuCl4 Inorganic materials 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000084 colloidal system Substances 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000002525 ultrasonication Methods 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims description 3
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 235000011868 grain product Nutrition 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 125000001153 fluoro group Chemical class F* 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 4
- 230000001699 photocatalysis Effects 0.000 abstract description 4
- 239000002086 nanomaterial Substances 0.000 abstract description 2
- 238000007146 photocatalysis Methods 0.000 abstract description 2
- 239000002345 surface coating layer Substances 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract 2
- 238000007710 freezing Methods 0.000 abstract 2
- 239000000919 ceramic Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 239000010931 gold Substances 0.000 description 35
- 239000003054 catalyst Substances 0.000 description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 230000003075 superhydrophobic effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- -1 silicane alkane Chemical class 0.000 description 5
- 230000000844 anti-bacterial effect Effects 0.000 description 4
- 239000003899 bactericide agent Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 3
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000013530 defoamer Substances 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 239000006184 cosolvent Substances 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 150000008040 ionic compounds Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 229910052665 sodalite Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
In order to overcome freezing scarce capacity present in prior art and anti-incrustation ability to elapse the problem of rapidly disappearing over time, the invention provides a kind of composite high voltage insulator, the insulator is made up of ceramic matrix, thermistor material layer, photocatalysis nano material layer.The insulator of the present invention has preferable freezing performance and anti-incrustation performance.Not only coating and body adhesion are firm for the surface coating layer of the present invention, difficult for drop-off, and thermistor material layer produces heat under sleety weather using faint Leakage Current, and icing occurs in insulator surface so as to reduce.
Description
Technical field
Coating used the present invention relates to a kind of power industry and preparation method thereof, it is especially a kind of to be applied to high salinity
Power industry special coating used under environment and preparation method thereof.
Background technology
As the fast development of China's industry, many regional pollution level more and more highers, problem of environmental pollution are increasingly prominent
Go out, result in power equipment savings pollutant speed it is more and more faster, easily cause the pollution flashover accident of power equipment.It is coastal more
Developed regions, the pollution flashover problem of power equipment is more serious, and on the one hand because the economy of coastal area is more flourishing, pollution is more
Seriously；On the other hand also in that the air salinity of coastal area is more, the salt erosion to equipment is even more serious.Therefore strengthen coastal
The supervision of regional power equipment, develop and be adapted to the power equipment of coastal area environmental quality necessary.
In saline alkali corrosion than more serious area, saline and alkaline in air descends slowly and lightly onto exposed power equipment with dust, with
Coming for rainwater, power equipment surface forms ionic compound, causes insulator surface Leakage Current to increase, and produces heat simultaneously
Dry partial contamination layer, the part being oven-dried is referred to as dry area or dry band, applied voltage will focus on it is dry take, dry band is often only several
It is centimetre wide, therefore electric-field intensity is very high, easily causes the dry edge flashing taken.Do not dry in the dry resistance for taking appearance and
Pollution layer resistance is in series.If series resistance is sufficiently low, leakage current is sufficiently large, and electric discharge will convert to electric arc.Arc energy
Sustained combustion and progressively develop, ultimately result in the complete flashover of two interpolars.
The important method of current enhancing power equipment self-cleaning performance using surface coating super hydrophobic material, its it is theoretical and
Preparation method is all fairly perfect.Two necessary factors that super hydrophobic surface is formed：Surface chemistries have certain dredge
It is water-based；Body structure surface has multiple roughness.Surface can present micro-nano compound micro- after physics, chemical method processing
Body structure surface, it can so ensure that solid-liquid contact area accounts for its ratio minimum for contacting the projected area on ground, also be advantageous for
Form hydrophobic surface.
CN1136060A discloses a kind of antifouling flush paint being used in high-tension power transmission and transformation equipment on porcelain vase.The coating is with first
The polyvinylidene fluoride resin that ethyl triethoxy silicane alkane is modified is film forming matter, with the second of N- (β-aminoethyl)-γ-aminopropyl three
TMOS is reactive diluent, and two components are sufficiently mixed and formed.The coating of active group is in normal temperature cure and porcelain
The stable chemical bond that bottle glaze paint is formed make it that coating interface obtains excellent ageing-resistant performance, and coating surface have it is good certainly
Clean property and recoatability.
CN 102503170A disclose a kind of super-hydrophobic coating for insulator anti-ice-flashing, while also disclose one
Kind ice flashover resistant insulator and preparation method thereof.The super-hydrophobic coating for insulator anti-ice-flashing is by being arranged on outside insulator
The SiO on surface2Film layer and it is arranged on the SiO2Organic fluorocompound film layer in film layer is formed, and the super-hydrophobic coating has lotus
Blade profile ultra-hydrophobicity.The structure of lotus leaf surface is simulated provided by the present invention for the super-hydrophobic coating of insulator anti-ice-flashing,
SiO2Film layer has micro nano structure, and the surface energy of organic fluorocompound film layer is low, equivalent to the wax-like nitride layer of lotus leaf surface.
Although insulator coating or surface it is modified it is all different degrees of solve the problems, such as the automatically cleaning of insulator surface,
Its Saline alkali tolerance all can not strengthened particularly, and the performance under high salinity environment also has deficiency.
The content of the invention
Easily it is corroded to solve the insulator surface under high salinity environment, it is prone to dodge the problem of dirty, the present invention
A kind of power industry special coating of Salt And Alkali Tolerance is provided, includes Au/Y/TiO in the coating2Zeolite nano-particle and have
Machine Si modification fluororesin.Present invention applicant by selecting and testing repeatedly, the surface coating layer worked out not only coating with
Body adhesion is firm, difficult for drop-off, and thermistor material layer produces heat under sleety weather using faint Leakage Current
Amount, so as to reduce in power equipment adsorption dirt, cause power equipment that pollution flashover occurs.
Technical scheme is as follows：
A kind of Salt And Alkali Tolerance power equipment special coating, include Au/Y/TiO in the coating2Zeolite nano-particle and have
Machine Si modification fluororesin, wherein Au/Y/TiO2The dosage of zeolite nano-particle is 0.5-1.0wt%, organic-silicon-modified fluororesin
Dosage be 5-20wt%.
The Au/Y/TiO2The preparation method of zeolite nano-particle, comprises the following steps：Adjust HAuCl4The pH of the aqueous solution
It is worth 5.5-6.5, adds Y zeolite nano-particles, adsorb 24-36h, gas is forged under 300-600 DEG C, inert gas atmosphere after drying
5-12h is burnt, obtains Au/Y zeolites；Using butyl titanate as titanium source, and using silica gel as silicon source, and according to Ti/Si=0.2~
The mass ratio of 0.5 addition titanium source, addition Au/Y zeolites, Au/Y zeolites and silica gel is 0.05-0.5, and continues to stir 5-10h, is adjusted
It is 10-11 to save mixed solution pH value；Gained colloid is moved into water-bath, the crystallization 24-36h at 80-120 DEG C, product is through going
After ion water washing, vavuum pump filter, 12-36h is dried at 100-110 DEG C in an oven, that is, obtains Au/Y/TiO2Zeolite is received
Rice grain product.
The preparation method of the Salt And Alkali Tolerance power equipment coating, comprises the following steps：Au/Y/TiO2Zeolite nano-particle adds
Enter into solvent to use ultrasonication 1-2h, grinding dispersion is uniform；Then silane coupler and Au/Y/TiO are pressed2Zeolite nanometer
Grain mass ratio is 1: 1~3: 1 addition silane coupler, is 3-4 with salt acid for adjusting pH value, is reacted under water-bath；Finally press fluororesin
With Au/Y/TiO2Zeolite nano-particle mass ratio is 5: 1~10: 1 addition fluororesin, continues to react, obtains product.Fluororesin is
One or more in fluorine richness polyacrylic resin, polytetrafluoroethylene (PTFE).
The property of molecular sieve generally depends on silica alumina ratio, acidic site ratio, acid strength, specific surface area, pore structure etc..Due to
The Y type molecular sieve of high aluminium content can prevent gold particle from sintering, and provide a more hydrophilic environment for golden species, therefore have phase
To preferably activity.The selection of usual preparation condition has a great influence to the property of catalyst, the reaction to Au/Y CO catalytic oxidations
For, the catalyst activity surface limited of high ph-values, high concentration and low temperature preparation, cause gold particle larger；Low ph value, low concentration
Condition can prevent that more golden species are entered in sodalite cage but CO is from entering, and low ph value also causes the content of chlorine to increase
Add；Mixing time is oversize, causes gold particle to be lost in, and this all causes catalyst activity to reduce.The catalyst prepared usually requires
It is heat-treated under gaseous environment, the gold of sintering can be split into less particle by the catalyst of calcination process in air stream；This
Inventor's discovery is active preferable in dry conditions by above method and in the catalyst of He high temperatures heat treatment, but water-resistance
It is bad, if catalyst be heat-treated in the He with water vapour, improve water-resistance.
The present invention has the photochemical catalytic oxidation of efficient organic matter low-temperature oxidation performance and titanium dioxide special using nanogold
Property, the coating with catalytic decomposition organic matter and certain anti-microbial property is prepared, will can be adsorbed organic on power equipment
Thing small molecule resolves into carbon dioxide and water, prevents it from being bonded in power equipment surface, self-cleaning so as to reach power equipment
Purpose.But because nanogold particle is easy to agglomeration, therefore it is more difficult gold is used for catalytic reaction, the invention
Nanogold is absorbed and fixed on the Y zeolites with caged microcellular structure, while is aided with the acidic site activity of active molecular sieve
The heart, its catalytic capability is further enhancing, the addition of titanium oxide then can further stablize nanogold particulate, and improve catalyst
Electronics releasability, intensified response activity.
The coating also includes cosolvent such as acetone, toluene, isopropanol；Curing agent such as methyl methacrylate, polyphenyl second
Alkene, fluorinated acrylic ester；And coating additive such as bactericide, defoamer etc. that this area is common, the defoamer right and wrong from
Sub- surfactant, preferably betaine type amphoteric surfactant.On the basis of the quality of nano particle, the addition of cosolvent is
10-20 parts, the addition of curing agent is 1-5 parts, and the addition of bactericide is 0.1-0.5 parts, and the addition of defoamer is 0.1-
0.5 part.
The photocatalytic nanometer layer can using coating by the way of film forming, it comprises the following steps：Photocatalysis is prepared to receive
Rice coating；Insulator is preheating to 100-150 DEG C；The photocatalytic nanometer coating is applied, then according to 5-10 DEG C/min liter
Warm speed, 200-300 DEG C is warming up to, and maintains 5-10h, then drop to normal temperature according to 10-20 DEG C/min cooling rate.
The thickness of the coating is 100-500 microns, preferably 200-300 microns.
Embodiment
The technical scheme of invention is described in detail with reference to specific embodiment.
Embodiment 1
Au/Y/TiO2The preparation of zeolite nano-particle：
Adjust HAuCl4The pH value of the aqueous solution adds Y zeolite nano-particles to 5.5, adsorbs 24h, at 350 DEG C after drying,
Gas calcines 10h under inert gas atmosphere, obtains Au/Y zeolites；Using butyl titanate as titanium source, and using silica gel as silicon source, and press
Titanium source is added according to Ti/Si=0.3, adds Au/Y zeolites, the mass ratio of Au/Y zeolites and silica gel is 0.1, and continues to stir 5h, is adjusted
It is 10 to save mixed solution pH value；Gained colloid is moved into water-bath, crystallization 24h, product are washed through deionization at 100 DEG C
Wash, after vavuum pump suction filtration, dry 12h at 100 DEG C in an oven, that is, obtain Au/Y/TiO2Zeolite nano-particle product.
The preparation of Salt And Alkali Tolerance power equipment coating,
Au/Y/TiO2Zeolite nano-particle, which is added in solvent, uses ultrasonication 1h, and grinding dispersion is uniform；Then silicon is pressed
Alkane coupling agent and Au/Y/TiO2Zeolite nano-particle mass ratio is 1: 1 addition silane coupler, is 3 with salt acid for adjusting pH value, water
Bath is lower to react；Finally press fluororesin and Au/Y/TiO2Zeolite nano-particle mass ratio is 5: 1 addition fluororesin, continues to react；With
Au/Y/TiO2On the basis of zeolite nano-particle quality, the isopropanol of 10 mass parts is added, adds the nonionic of 0.5 mass parts
Surfactant, the methyl methacrylate of 2 mass parts, the bactericide of 0.2 mass parts, obtain coating.
Embodiment 2
Au/Y/TiO2The preparation of zeolite nano-particle：
Adjust HAuCl4The pH value of the aqueous solution adds Y zeolite nano-particles to 6.5, adsorbs 36h, at 550 DEG C after drying,
The lower calcining 6h of nitrogen protection, obtains Au/Y zeolites；Using butyl titanate as titanium source, and using silica gel as silicon source, and according to Ti/Si
The mass ratio of=0.5 addition titanium source, addition Au/Y zeolites, Au/Y zeolites and silica gel is 0.1, and continues to stir 5h, and regulation mixes
Solution ph is 11；Gained colloid is moved into water-bath, the crystallization 36h at 110 DEG C, product washs through deionized water, vacuum
After pumping filter, 12h is dried at 105 DEG C in an oven, that is, obtains Au/Y/TiO2Zeolite nano-particle product.
The preparation of Salt And Alkali Tolerance power equipment coating,
Au/Y/TiO2Zeolite nano-particle, which is added in solvent, uses ultrasonication 1h, and grinding dispersion is uniform；Then silicon is pressed
Alkane coupling agent and Au/Y/TiO2Zeolite nano-particle mass ratio is 3: 1 addition silane couplers, is 3.5 with salt acid for adjusting pH value,
Reacted under water-bath；Finally press fluororesin and Au/Y/TiO2Zeolite nano-particle mass ratio is 9: 1 addition fluororesin, continues to react；
With Au/Y/TiO2On the basis of zeolite nano-particle quality, add 20 mass parts isopropanol, add 0.5 mass parts it is non-from
Sub- surfactant, the methyl methacrylate of 5 mass parts, the bactericide of 0.1 mass parts, obtain coating.
The present invention can be summarized with others without prejudice to the concrete form of the spirit or essential characteristics of the present invention.The present invention's
All embodiments can only all be considered the description of the invention rather than limitation, and every technique according to the invention content is made
Any trickle amendment or equivalent substitution gone out, is belonged within technical scheme.
Claims (3)
1. a kind of Salt And Alkali Tolerance power equipment special coating, include Au/Y/TiO in the coating2Zeolite nano-particle and organosilicon
Modified fluorin resin, wherein Au/Y/TiO2The dosage of zeolite nano-particle is 0.5-1.0wt%, the use of organic-silicon-modified fluororesin
Measure as 5-20wt%；The Au/Y/TiO2The preparation method of zeolite nano-particle comprises the following steps：Adjust HAuCl4The aqueous solution
PH value to 5.5-6.5, add Y zeolite nano-particles, adsorb 24-36h, after drying under 300-600 DEG C, inert gas atmosphere
5-12h is calcined, obtains Au/Y zeolites；Using butyl titanate as titanium source, and using silica gel as silicon source, and according to Ti/Si=0.2~
The mass ratio of 0.5 addition titanium source, addition Au/Y zeolites, Au/Y zeolites and silica gel is 0.05-0.5, and continues to stir 5-10h, is adjusted
It is 10-11 to save mixed solution pH value；Gained colloid is moved into water-bath, the crystallization 24-36h at 80-120 DEG C, product is through going
After ion water washing, vavuum pump filter, 12-36h is dried at 100-110 DEG C in an oven, that is, obtains Au/Y/TiO2Zeolite is received
Rice grain product.
2. coating as claimed in claim 1, it is characterised in that the preparation of the coating comprises the following steps：Au/Y/TiO2Zeolite
Nano particle, which is added in solvent, uses ultrasonication 1-2h, and grinding dispersion is uniform；Then silane coupler and Au/Y/TiO are pressed2
Zeolite nano-particle mass ratio is 1: 1~3: 1 addition silane coupler, is 3-4 with salt acid for adjusting pH value, is reacted under water-bath；Most
Organic-silicon-modified fluororesin and Au/Y/TiO are pressed afterwards2Zeolite nano-particle mass ratio is 5: 1~10: the 1 organic-silicon-modified fluorine of addition
Resin, continue to react, obtain product.
3. coating as claimed in claim 2, it is characterised in that coating film forming by the way of coating, including following step
Suddenly：Prepare the coating；Insulator is preheating to 100-150 DEG C；The coating is coated, then according to 5-10 DEG C/min liter
Warm speed, 200-300 DEG C is warming up to, and maintains 5-10h, then drop to normal temperature according to 10-20 DEG C/min cooling rate.
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