CN104134500A - Coating method of RTV anti-pollution flashover coating of insulator - Google Patents
Coating method of RTV anti-pollution flashover coating of insulator Download PDFInfo
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- CN104134500A CN104134500A CN201410412093.9A CN201410412093A CN104134500A CN 104134500 A CN104134500 A CN 104134500A CN 201410412093 A CN201410412093 A CN 201410412093A CN 104134500 A CN104134500 A CN 104134500A
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- insulator
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- antifouling flush
- flush paint
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Abstract
The invention discloses a coating method of an RTV anti-pollution flashover coating of an insulator. The coating method comprises the steps of (1) calculating the surface area of the insulator; (2) acquiring the vulcanization characteristic of the RTV anti-pollution flashover coating; (3) reasonably determining the weight of the anti-pollution flashover coating of the insulator, wherein the design weight, needed for obtaining the design thickness of the RTV anti-pollution flashover coating of the insulator, of the RTV anti-pollution flashover coating is worked out according to the density and the vulcanization characteristic of the RTV anti-pollution flashover coating, and then the RTV anti-pollution flashover coating with the design weight is completely applied to the insulator to obtain the coating thickness, needed by the insulator, of the RTV anti-pollution flashover coating. According to the coating method, the needed RTV coating quality can be achieved for different models of insulators and different types of RTV anti-pollution flashover coatings according to the needed RTV coating thickness. The thickness of the RTV coating of the insulator is accurately controlled through the coating method of the RTV anti-pollution flashover coating, and therefore the coating method has great significance on improving the external insulation level of power transmission and transformation equipment and guaranteeing reliable power supply.
Description
Technical field
The present invention relates to a kind of dope applying method, be specifically related to a kind of painting method of RTV antifouling flush paint.
Background technology
Along with the continuous lifting of economic level, environmental pollution is on the rise, and the large-scale haze weather bringing thus, has brought serious threat to power grid security, in recent years in North China, the East China of China, the grid pollution flashover accident causing due to anomalous weather has all occurred in succession.For effectively promoting the anti-pollution flashover ability of power transmission and transforming equipment and level, RTV antifouling flush paint is obtaining large-scale application aspect the antifouling transformation of power transmission and transforming equipment.RTV antifouling flush paint use experience shows, in order to guarantee that it has good anti-fouling flashover performance, the quality that paint coatings applies is most important, and relevant criterion has also provided the coating layer thickness requirement of recommending.But find from actual coating application, thickness does not meet the demands, or the inhomogeneous situation of coating thickness is quite serious.The problems such as the hydrophobicity causing due to the inhomogeneous grade of coating layer thickness declines, aging, to come off also become increasingly conspicuous.Therefore study a kind of RTV antifouling flush paint painting method, for promoting power transmission and transformation equipment outer insulation level, ensure that reliable power supply is significant.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of painting method of RTV antifouling flush paint of the insulator that can simply, easily control RTV antifouling flush paint coating layer thickness.
In order to solve the problems of the technologies described above, the painting method of the RTV antifouling flush paint of insulator provided by the invention, comprises the following steps:
(1), calculate the surface area of insulator;
(2), obtain density and the vulcanization characteristics of RTV antifouling flush paint: carry out the characteristic test of a certain RTV antifouling flush paint, obtain density and the vulcanization characteristics of this RTV antifouling flush paint;
(3), rationally determine the weight of the RTV antifouling flush paint of insulator: according to the density of RTV antifouling flush paint and vulcanization characteristics, the design weight of required RTV antifouling flush paint while obtaining the design thickness of RTV antifouling flush paint coating of insulator, then the RTV antifouling flush paint of this design weight is all sprayed on insulator, obtain the coating layer thickness of the required RTV antifouling flush paint of insulator.
Particularly, in above-mentioned steps (1), the method for the surface area of calculating insulator is to utilize the piecewise fitting method of quadraturing to calculate the surface area of insulator.
The painting method of the RTV antifouling flush paint of the insulator of employing technique scheme, core is according to the piecewise fitting method of quadraturing, to calculate insulator surface to amass, according to test, determine RTV antifouling flush paint density and vulcanization characteristics, obtain different insulative required coating weight when different RTV antifouling flush paint coating layer thickness, then the RTV antifouling flush paint of this design weight is all sprayed on insulator, can obtain the required different RTV coating layer thicknesses of insulator, thereby reach the object of controlling RTV antifouling flush paint coating layer thickness, and simple to operate, easily realize.
The invention has the beneficial effects as follows:
Can be according to the surface area of insulator, the density of RTV antifouling flush paint and vulcanization characteristics, adjust the weight of RTV antifouling flush paint, by RTV antifouling flush paint painting method, accurately control insulator RTV antifouling flush paint coating layer thickness, guarantee RTV antifouling flush paint coating coating quality, for promoting power transmission and transformation equipment outer insulation level, ensure that reliable power supply is significant.
In sum, the present invention is a kind of painting method of RTV antifouling flush paint of the insulator that can simply, easily control RTV antifouling flush paint coating layer thickness.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1:
Completing as follows glass insulator RTV antifouling flush paint coating layer thickness controls:
(1), 220kV insulator string, 15 of every strings, glass insulator model U70B-146, disk track 255mm, creepage distance 320mm, height 146mm;
(2), to calculate monolithic U70B-146 surface area be 1489cm to the piecewise fitting method of quadraturing
2;
(3) density that, test obtains a kind of RTV antifouling flush paint is 1.5g/cm
3, after sulfuration, thickness washing shrinkage is 42%;
(4), according to the thickness of RTV antifouling flush paint coating, be not less than 0.3mm, the required RTV antifouling flush paint of a slice U70B-146 glass insulator weight is 71g, and a string 15 required RTV antifouling flush paints of this model glass insulator are 1074g; Then the RTV antifouling flush paint of this 1074g weight is all sprayed on a string 15 these model glass insulators and form RTV antifouling flush paint coating, reach and guarantee that the RTV antifouling flush paint thickness of this model glass insulator is not less than the object of 0.3mm.
Embodiment 2:
Completing as follows 110kV porcelain strut insulator RTV antifouling flush paint coating layer thickness controls:
(1) post insulator structure height is 1.2m, and creepage distance is about 315 cm, and big or small full skirt is alternate, has 13 of large full skirts, 12, umbellule skirt, large full skirt diameter 22.3cm, umbellule skirt diameter 19cm;
(2), to calculate this post insulator surface area be 9520cm to the piecewise fitting method of quadraturing
2;
(3) density that, test obtains a certain RTV antifouling flush paint is 1.5g/cm
3, after sulfuration, thickness washing shrinkage is 40%;
(4), according to the thickness of RTV antifouling flush paint coating, be not less than the requirement of 0.3mm, the required coating of this post insulator is 950g, then the RTV antifouling flush paint of this 950g weight is all sprayed on post insulator and forms RTV antifouling flush paint coating, reach and guarantee that the RTV antifouling flush paint thickness of this model post insulator is not less than the object of 0.3mm.
The painting method of the RTV antifouling flush paint of insulator provided by the invention, can be according to the surface area of insulator, the density of RTV antifouling flush paint and vulcanization characteristics, the weight of needed RTV antifouling flush paint while obtaining the thickness of the RTV antifouling flush paint coating that meets insulator, then the RTV antifouling flush paint of this weight is all sprayed to and on insulator, form RTV antifouling flush paint coating, accurately control the thickness of insulator RTV antifouling flush paint coating, on known surface area, spray the RTV antifouling flush paint of known weight, can guarantee that coating thickness is even, guarantee the coating quality of RTV antifouling flush paint coating.
The method can be for the sub-model of different insulative and RTV antifouling flush paint type, according to RTV coating layer thickness, need to obtain the requirement of RTV coating quality, by RTV antifouling flush paint painting method, accurately control insulator RTV antifouling flush paint coating layer thickness, for promoting power transmission and transformation equipment outer insulation level, ensure that reliable power supply is significant.
Claims (2)
1. a painting method for the RTV antifouling flush paint of insulator, is characterized in that: comprise the following steps:
(1), calculate the surface area of insulator;
(2), obtain density and the vulcanization characteristics of RTV antifouling flush paint: carry out the characteristic test of a certain RTV antifouling flush paint, obtain density and the vulcanization characteristics of this RTV antifouling flush paint;
(3), rationally determine the weight of the RTV antifouling flush paint of insulator: according to the density of RTV antifouling flush paint and vulcanization characteristics, the design weight of required RTV antifouling flush paint while obtaining the design thickness of RTV antifouling flush paint coating of insulator, then the RTV antifouling flush paint of this design weight is all sprayed on insulator, obtain the coating layer thickness of the required RTV antifouling flush paint of insulator.
2. the painting method of the RTV antifouling flush paint of insulator according to claim 1, is characterized in that: the method for calculating the surface area of insulator in above-mentioned steps (1) is to utilize the piecewise fitting method of quadraturing to calculate the surface area of insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410412093.9A CN104134500A (en) | 2014-08-20 | 2014-08-20 | Coating method of RTV anti-pollution flashover coating of insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410412093.9A CN104134500A (en) | 2014-08-20 | 2014-08-20 | Coating method of RTV anti-pollution flashover coating of insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104134500A true CN104134500A (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410412093.9A Pending CN104134500A (en) | 2014-08-20 | 2014-08-20 | Coating method of RTV anti-pollution flashover coating of insulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637636A (en) * | 2015-02-13 | 2015-05-20 | 成都拓利化工实业有限公司 | Anti-flashover RTV (Room Temperature Vulcanization) coating material coating method for umbrella-shaped and bell-shaped insulators |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982929A (en) * | 2012-11-16 | 2013-03-20 | 国家电网公司 | Anti-pollution flashover insulator manufacturing method |
| CN103736645A (en) * | 2013-12-02 | 2014-04-23 | 国网山西省电力公司晋中供电公司 | RTV anti-pollution flashover coating recoating method of insulator coated with RTV anti-pollution flashover coating |
| CN103943288A (en) * | 2013-01-23 | 2014-07-23 | 天津市新玻电力复合绝缘子制造有限公司 | Novel disc-form suspension type composite insulator and manufacturing method thereof |
-
2014
- 2014-08-20 CN CN201410412093.9A patent/CN104134500A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982929A (en) * | 2012-11-16 | 2013-03-20 | 国家电网公司 | Anti-pollution flashover insulator manufacturing method |
| CN103943288A (en) * | 2013-01-23 | 2014-07-23 | 天津市新玻电力复合绝缘子制造有限公司 | Novel disc-form suspension type composite insulator and manufacturing method thereof |
| CN103736645A (en) * | 2013-12-02 | 2014-04-23 | 国网山西省电力公司晋中供电公司 | RTV anti-pollution flashover coating recoating method of insulator coated with RTV anti-pollution flashover coating |
Non-Patent Citations (1)
| Title |
|---|
| 彭波等: "《基于分段拟合求积分的RTV涂层厚度控制方法研究》", 《湖南电力》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637636A (en) * | 2015-02-13 | 2015-05-20 | 成都拓利化工实业有限公司 | Anti-flashover RTV (Room Temperature Vulcanization) coating material coating method for umbrella-shaped and bell-shaped insulators |
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Application publication date: 20141105 |