CN106356164B - A kind of anti-ice covers the surface treatment method of composite insulator - Google Patents
A kind of anti-ice covers the surface treatment method of composite insulator Download PDFInfo
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- CN106356164B CN106356164B CN201610999690.5A CN201610999690A CN106356164B CN 106356164 B CN106356164 B CN 106356164B CN 201610999690 A CN201610999690 A CN 201610999690A CN 106356164 B CN106356164 B CN 106356164B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
- H01B19/04—Treating the surfaces, e.g. applying coatings
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Abstract
The present invention relates to insulation subdomains, the surface treatment method that a kind of anti-ice covers composite insulator is disclosed.The surface treatment method of anti-ice covering composite insulator disclosed by the invention comprises the following steps：1), the preparation of the organic silicon sol of electrolyte modification；2), coating of the dielectric substrate in surface of composite insulator；3), solidification of the dielectric substrate in surface of composite insulator.Surface of composite insulator processing method disclosed by the invention can improve the anti-ice cover ability of insulator in surface of composite insulator one layer of stable electrolytic thin-membrane of formation, and processing procedure is simple and easy to apply, beneficial to popularization and application.
Description
Technical field
The present invention relates to insulation subdomains, more particularly to a kind of anti-ice covers the surface treatment method of composite insulator.
Background technology
China is influenceed by macroclimate and mima type microrelief, microclimate condition, and ice disaster frequently occurs.The big face in south in 2008
Product snowfall causes 19 provinces, areas disaster-stricken in various degree, nearly 60,000,000,000 yuan of economic loss, and in the ice detachment to transmission line of electricity
In, the safety of staff also have received great threat.2003, because the ice of insulator dodges China's 500kV lines caused
Road unplanned outage has accounted for the 23% of stoppage in transit total line.In recent years, Central China of China recurs a lot of icing flashover things
Therefore.
Composite insulator can effectively contain large area because having the advantages that light weight, mechanical strength be big, hydrophobicity is good
Pollution flashover accident and widely used in power system.And the icing snow meteorological condition that may occur in the winter time is descended easily to cause insulation
The icing phenomenon of substring, so as to more hold when changing contained filth conductive impurity in the Electric Field Distribution of insulator, especially ice and snow
Ice sudden strain of a muscle is easily caused, and then the safe operation of transmission line of electricity is constituted a serious threat.There is icing phenomenon when checking insulator chain
When, it is the technology of current relatively broad use using artificial mechanism deicing or thermodynamics deicing.But artificial mechanism deicing is removed
It is less efficient outer, and the safety of operating personnel can not also ensure；And thermodynamics deicing device domestic at present is less, and
It is possible to produce influence to the stable of power network.Therefore, the technology of exploitation reduction covering ice for insulator phenomenon has in electrical distribution field
It is significant.
The freezing point of water, and the principle also extensive use can be effectively reduced by adding electrolyte in water
In the deicing process of city ice and snow weather.However, for composite insulator, because electrolyte is water miscible chemical combination
How thing, by the anti-ice covering power for being fixed on its surface to realize composite insulator of electrolyte stable led in power Transmission
One of the key technology and difficult point in domain.
The content of the invention
To solve above-mentioned key technical problems, it is an object of the invention to provide a kind of surface treatment of composite insulator
Method, in particular for resisting the surface treatment method of ice-covered composite insulator.
To achieve the above object, the Method And Principle that uses of the present invention for：1st, organic-inorganic hybrid nanocomposite principle realizes electrolysis
Fixation of the matter in surface of composite insulator；2nd, the addition of electrolyte causes water-setting solid point to reduce, and realizes the anti-ice of composite insulator
Covering.
To achieve the above object and principle, the invention discloses the surface treatment side that a kind of anti-ice covers composite insulator
Method, comprises the following steps：
1), the preparation of the organic silicon sol of electrolyte modification：The siloxanes that electrolyte is modified is dissolved in deionized water, is stirred
The siloxane solution for being made into certain density electrolyte modification is mixed down, the pH value of regulation solution is 1.0~3.5, and electrolyte is made
The organic silicon sol of modification；
2), coating of the dielectric substrate in surface of composite insulator：The composite insulator cleaned up is soaked in step 1)
In prepared Ludox, the pH value of the Ludox is adjusted to 7.5~11.0,4~48h is soaked；
3), solidification of the dielectric substrate in surface of composite insulator：By step 2) composite insulator of immersion takes out, and room temperature dries in the air
Be heating and curing electrolyte after dry in vacuum drying oven, is cleaned with deionized water, obtains the composite insulator of electrolyte modification, is
Anti-ice covers composite insulator.
Preferably, step 1) described in electrolyte be organic molecule electrolyte or organic polyelectrolyte；
The organic molecule electrolyte is organic quaternary ammonium salt；
The organic polyelectrolyte is polymethylacrylic acid or kayexalate.
Preferably, the organic quaternary ammonium salt is (trimethoxy silicon substrate propyl group) octadecyldimethyl ammonium chloride or (three
Ethyl-silicone propyl group) octyl group diethylammonium chloride.
Preferably, step 3) temperature being heating and curing is 60~140 DEG C, the time is 0.5~24h.
The method scheme that the present invention is used is as shown in Figure 1.
Compared with prior art, the invention has the characteristics that and beneficial effect：
(1) organo-mineral complexing principle is based on, by electrolyte graft to organosilyl surface, being modified by electrolyte
Organosilicon is chemically crosslinked with the main component silicon rubber in composite insulator under alkalescent catalysis, realizes composite insulator
Surface coating, can effectively ensure the stability of surface uniformity and electrolyte；
(2) film build method is coated using solution, in surface of composite insulator one layer of stable electrolytic thin-membrane of formation, improved
The anti-ice cover ability of composite insulator.
Brief description of the drawings
Be illustrated more clearly that technical scheme of the invention or of the prior art, below will to the content of the invention, embodiment or
The accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
Some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the method applied in the present invention route schematic diagram；
Fig. 2 is the electron microscope of nano oxidized silicon grain in Ludox prepared by the embodiment of the present invention；
Fig. 3 is the photoelectron spectroscopy of composite insulator prepared by the embodiment of the present invention；
Fig. 4 be water droplet before treatment after surface of composite insulator form.
Embodiment
The invention discloses the surface treatment method that a kind of anti-ice covers composite insulator.Those skilled in the art can borrow
Reflect present disclosure, is suitably modified technological parameter realization.In particular, all similar replacements and change are to this area
It is it will be apparent that they are considered as being included in the present invention for technical staff.The method of the present invention and application have passed through
Preferred embodiment is described, and related personnel substantially can be not departing from present invention, in spirit and scope to described herein
Methods and applications be modified or suitably change is with combining, to realize and using method of the invention.
Surface treatment method for a better understanding of the present invention, makees into one with reference to embodiment and accompanying drawing to the present invention
Step is described in detail, but the implementation of the present invention is not limited to this.
Embodiment 1
1) preparation of the organic silicon sol of electrolyte modification：By 2g (trimethoxy silicon substrate propyl group) octadecyldimethyl chlorine
Change ammonium and be dissolved in the solution that 20g/L is configured in 100mL deionized waters, 0.01mol/L hydrochloric acid is slowly added dropwise under agitation
PH value to solution is 3.5, continues to stir 30min, it is about 3nm to obtain silicon oxide particle particle diameter (as shown in Fig. 2 electromicroscopic photographs)
Electrolyte modification organic silicon sol；
2) coating of the dielectric substrate in surface of composite insulator：The composite insulator immersion for cutting into small pieces will be cleaned up
In step 1) prepared by Ludox in, adjust pH value to 11.0 with 0.01mol/L NaOH solution, continue to soak 4h；
3) solidification of the dielectric substrate in surface of composite insulator：By the composite insulator taking-up of immersion in step (2), room temperature
It is positioned over to be pre-heated in 140 DEG C of baking oven after drying and solidifies 30min, cleaned with deionized water, that is, obtains anti-ice covering compound
Insulator.
Preparation method route map is as shown in Figure 1.
XPS Analysis is carried out to composite insulator prepared by embodiment 1, as a result as shown in figure 3, photoelectron spectroscopy
In at 400eV occur stronger N (1s) peak, it can be determined that the successful application of quaternary ammonium salt electrolytes.Due to coating quaternary ammonium salt
After electrolyte, the hydrophily increase of surface of composite insulator so that be less than uncoated answer in the contact angle of the water droplet on its surface
Insulator is closed, as shown in Figure 4.After -20 DEG C freeze 1 hour, the water droplet on uncoated composite insulator is fully cured into
Ice, and the water droplet passed through on the composite insulator of coating is still in the liquid with mobility, it was confirmed that carried using the present invention
The anti-ice covering performance of composite insulator after the surface treatment gone out.
Embodiment 2
1) preparation of the organic silicon sol of electrolyte modification：By 20g (trimethoxy silicon substrate propyl group) octadecyldimethyl
Ammonium chloride is dissolved in the solution that 200g/L is configured in 100mL deionized waters, and 0.01mol/L salt is slowly added dropwise under agitation
The pH value of acid to solution is 1.0, continues to stir 30min, obtains having for the electrolyte modification that silicon oxide particle particle diameter is about 100nm
Machine Ludox (as shown in Fig. 2 electromicroscopic photographs)；
Step 2) and step 3) be the same as Example 1.
Preparation method route map is as shown in Figure 1.
The XPS Analysis result be the same as Example 1 of embodiment 2, electrolyte successful application.
Be the same as Example 1, the hydrophily increase of the insulator surface after electrolyte coating, insulator surface water droplet after coating
Contact angle is less than uncoated insulator.
After tested, the water droplet on anti-ice covering composite insulator its surface at -22 DEG C is still in a liquid state made from embodiment 2.
Embodiment 3
Step 1) be the same as Example 1.
2) coating of the dielectric substrate in surface of composite insulator：The composite insulator immersion for cutting into small pieces will be cleaned up
In step 1) prepared by Ludox in, adjust pH value to 7.5 with 0.01mol/L NaOH solution, continue to soak 48h；
Step 3) be the same as Example 1.
Preparation method route map is as shown in Figure 1.
The XPS Analysis result be the same as Example 1 of embodiment 3, electrolyte successful application.
Be the same as Example 1, the hydrophily increase of the insulator surface after electrolyte coating, insulator surface water droplet after coating
Contact angle is less than uncoated insulator.
After tested, the water droplet on anti-ice covering composite insulator its surface at -18 DEG C is still in a liquid state made from embodiment 3.
Embodiment 4
Step 1) and step 2) be the same as Example 1.
3) solidification of the dielectric substrate in surface of composite insulator：By the composite insulator taking-up of immersion in step (2), room temperature
It is positioned over to be pre-heated in 60 DEG C of baking oven after drying and solidifies 24h, cleaned with deionized water, that is, obtains anti-ice covering compound inslation
Son.
Preparation method route map is as shown in Figure 1.
The XPS Analysis result be the same as Example 1 of embodiment 4, electrolyte successful application.
Be the same as Example 1, the hydrophily increase of the insulator surface after electrolyte coating, insulator surface water droplet after coating
Contact angle is less than uncoated insulator.
After tested, the water droplet on anti-ice covering composite insulator its surface at -14 DEG C is still in a liquid state made from embodiment 4.
Embodiment 5
1) preparation of the organic silicon sol of electrolyte modification：By 1.6g (triethoxy silicon substrate propyl group) octyl group diethyl chlorination
Ammonium is dissolved in the solution that 20g/L is configured in 100mL deionized waters, and 0.01mol/L hydrochloric acid is slowly added dropwise under agitation extremely
The pH value of solution is 3.5, continues to stir 30min, obtains silicon oxide particle particle diameter is about 3nm (as shown in Fig. 2 electromicroscopic photographs)
The organic silicon sol of electrolyte modification；
Step 2) and step 3) be the same as Example 1.
Preparation method route map is as shown in Figure 1.
The XPS Analysis result be the same as Example 1 of embodiment 5, electrolyte successful application.
Be the same as Example 1, the hydrophily increase of the insulator surface after electrolyte coating, insulator surface water droplet after coating
Contact angle is less than uncoated insulator.
After tested, the water droplet on anti-ice covering composite insulator its surface at -12 DEG C is still in a liquid state made from embodiment 5.
Embodiment 6
1) preparation of the organic silicon sol of electrolyte modification：The triethoxysilane that 10g polymethylacrylic acid is modified is molten
50g/L solution is configured in 200mL deionized waters, 0.01mol/L hydrochloric acid is slowly added dropwise under agitation to solution
PH value be 2.0, continue to stir 30min, obtain the organic of polymethylacrylic acid that silicon oxide particle particle diameter is about 20nm modification
Ludox, electromicroscopic photograph is as shown in Figure 2；
2) coating of the dielectric substrate in surface of composite insulator：The composite insulator immersion for cutting into small pieces will be cleaned up
In step 1) prepared by polyelectrolyte modification Ludox in, adjust pH value to 9.0 with 0.01mol/L NaOH solution, after
Continuous immersion 16h；
3) solidification of the dielectric substrate in surface of composite insulator：By step 2) in immersion composite insulator take out after spend
Ionized water is cleaned, and room temperature is positioned over to be pre-heated in 110 DEG C of baking oven after drying solidifies 2h, that is, obtains anti-ice covering compound inslation
Son.
Preparation method route map is as shown in Figure 1.
The XPS Analysis result be the same as Example 1 of embodiment 6, electrolyte successful application.
Be the same as Example 1, the hydrophily increase of the insulator surface after electrolyte coating, insulator surface water droplet after coating
Contact angle is less than uncoated insulator.
After tested, the water droplet on anti-ice covering composite insulator its surface at -9 DEG C is still in a liquid state made from embodiment 6.
Embodiment 7
1) preparation of the organic silicon sol of electrolyte modification：The triethoxysilane that 10g kayexalates are modified
The solution that 50g/L is configured in 200mL deionized waters is dissolved in, 0.01mol/L hydrochloric acid is slowly added dropwise under agitation to molten
The pH value of liquid is 2.0, continues to stir 30min, obtains having for the polymethylacrylic acid modification that silicon oxide particle particle diameter is about 50nm
Machine Ludox (as shown in Figure 2)；
Step 2) and step 3) be the same as Example 5.
Preparation method route map is as shown in Figure 1.
The XPS Analysis result be the same as Example 1 of embodiment 7, electrolyte successful application.
Be the same as Example 1, the hydrophily increase of the insulator surface after electrolyte coating, insulator surface water droplet after coating
Contact angle is less than uncoated insulator.
After tested, the water droplet on anti-ice covering composite insulator its surface at -16 DEG C is still in a liquid state made from embodiment 7.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people in this method field
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (3)
1. a kind of anti-ice covers the surface treatment method of composite insulator, it is characterised in that comprise the following steps：
1), the preparation of the organic silicon sol of electrolyte modification：The siloxanes that electrolyte is modified is dissolved in deionized water, under stirring
The siloxane solution that the electrolyte that concentration is 20~200g/L is modified is made into, the pH value of regulation solution is 1.0~3.5, and electricity is made
Solve the organic silicon sol of matter modification；
2), coating of the dielectric substrate in surface of composite insulator：The composite insulator cleaned up is soaked in step 1) it is made
In standby Ludox, the pH value of the Ludox is adjusted to 7.5~11.0,4~48h is soaked；
3), solidification of the dielectric substrate in surface of composite insulator：By step 2) immersion composite insulator take out, after room temperature is dried
Be heating and curing electrolyte in vacuum drying oven, is cleaned with deionized water, obtains the composite insulator of electrolyte modification, as anti-ice
Cover composite insulator.
2. surface treatment method according to claim 1, it is characterised in that step 1) described in electrolyte be organic small point
Sub- electrolyte or organic polyelectrolyte；
The organic molecule electrolyte is organic quaternary ammonium salt；
The organic polyelectrolyte is polymethylacrylic acid or kayexalate.
3. surface treatment method according to claim 1, it is characterised in that step 3) temperature being heating and curing is 60
~140 DEG C, the time is 0.5~24h.
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| CN201610999690.5A CN106356164B (en) | 2016-11-14 | 2016-11-14 | A kind of anti-ice covers the surface treatment method of composite insulator |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6702953B2 (en) * | 2000-12-14 | 2004-03-09 | Microphase Coatings, Inc. | Anti-icing composition |
| JP2008282750A (en) * | 2007-05-14 | 2008-11-20 | Kagawa Gakusei Venture:Kk | Ice-accretion and snow-accretion preventive antenna and electric wire, insulator having water-repellent and oil-repellent anti-fouling surfaces, and their manufacturing method |
| CN101358106B (en) * | 2008-09-25 | 2011-05-04 | 武汉工程大学 | Anti-icing nano composite paint and application |
| CN102241886B (en) * | 2010-05-11 | 2015-07-22 | 国家纳米科学中心 | Material having ice covering proof function, and preparation method and application thereof |
| CN102140310A (en) * | 2010-12-10 | 2011-08-03 | 广东电网公司电力科学研究院 | Anti-icing coating for insulator |
| CN102205680B (en) * | 2011-03-15 | 2014-07-16 | 武汉大学 | Anti-icing composite coating and preparation method thereof |
| CN102982922A (en) * | 2012-11-16 | 2013-03-20 | 国家电网公司 | Antifreezing insulator |
| CN104263238B (en) * | 2014-09-11 | 2016-09-07 | 天津大学 | One is fluorinated POSS composite organic coating and preparation method and ice-covering-proof application |
| CN105623503B (en) * | 2016-03-23 | 2018-04-10 | 华北电力大学 | A kind of silicon rubber hydrophobic coating for insulator and preparation method thereof |
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