Method for performing repairing renovation on surfaces of aged composite insulators

A technology of synthetic insulators and surface repair, applied in insulators, electrical components, circuits, etc., can solve the problems of aging and deterioration of synthetic insulators, and achieve the effects of solving aging and deterioration, improving performance and reducing costs

Active Publication Date: 2014-01-29
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the embodiments of the present invention is to provide a method for surface repair and renovation of aged composite insulators, aiming at solving the aging and deterioration problems of existing composite insulators

Method used

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  • Method for performing repairing renovation on surfaces of aged composite insulators
  • Method for performing repairing renovation on surfaces of aged composite insulators
  • Method for performing repairing renovation on surfaces of aged composite insulators

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Embodiment Construction

[0015] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0016] The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] Such as figure 1 As shown, the aging synthetic insulator of the embodiment of the present invention carries out the method for surface repair and renovation comprising the following steps:

[0018] S101: Clean the surface of the aged and deteriorated synthetic insulators to remove the dirt and powdered layer on the surface; lightly polish with fine sandpaper to remove the dirt and powdered layer on the surface of the aging umbrella group of synthetic insu...

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Abstract

The invention discloses a method for performing repairing renovation on surfaces of aged composite insulators. The method for performing repairing renovation on the surfaces of the aged composite insulators comprises the following steps of cleaning the surfaces of the aged or degraded composite insulators, and removing surface foul and pulverized layers; uniformly spraying RTV (room temperature vulcanization) coating on the surfaces of the composite insulators; and checking the surface of coats after the RTV coating is solidified. The performance of the composite insulators is improved by smearing the RTV coating on the surfaces of the composite insulators, new surfaces of the composite insulators with excellent performance are formed, and cracks and holes in the surfaces of the aged composite insulators are filled; and the RTV coating has excellent hydrophobicity and excellent hydrophobic migration, so that the renovated composite insulators also have the excellent hydrophobicity and the excellent hydrophobic migration, the service lives of the composite insulators are prolonged, the problem that the existing composite insulators are aged and degraded is well solved, the cost is reduced to a certain degree, and the work efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of repairing electromechanical composite insulators, and in particular relates to a method for surface repairing of aging composite insulators. Background technique [0002] Synthetic insulators have excellent anti-pollution flashover performance, insulation performance, easy installation, and low cost, so they are widely used in power systems. The main component of synthetic insulators is high-temperature vulcanized silicone rubber. Hydrophobicity and water mobility determine that synthetic insulators also have the above properties, but silicone rubber is prone to aging and deterioration under the action of ultraviolet rays and strong electric fields, specifically manifested as a large number of polydimethylsiloxane polymer chains on the surface breaking and decomposing , the internal inorganic fillers will aggregate, and under the electron microscope observation, a large number of cavities and microscopic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B19/00H01B19/04
Inventor 田明辉吴明雷王永福唐庆华郗晓光满玉岩
Owner STATE GRID CORP OF CHINA
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