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Heating and drying method for electrical insulator and composite insulator porcelain core

A composite insulator, heating and drying technology, used in heating to dry solid materials, lighting and heating equipment, dryers for static materials, etc., can solve the problems of zero value, deterioration, brittle fracture, etc., to improve manufacturing efficiency and yield , Yield improvement, increase the effect of tensile strength

Active Publication Date: 2008-09-03
青州市力王电力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, the purpose of the present invention is to provide an insulator and a composite insulator porcelain core in order to overcome the so-called "zero value", "brittle fracture" or "deterioration" problems that often occur when insulators are used under low temperature conditions or other harsh conditions. heating and drying method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0006] Example 1, put the composite insulator porcelain core into an electric heating and drying device with temperature rise and heat preservation, raise the temperature to 60-110°C, and keep it warm for 8-24 hours; then heat the heat-preserved composite insulator porcelain core to 120-210°C, Keep warm for 10-120 minutes.

Embodiment 2

[0007] Example 2, the composite insulator porcelain core is placed in a heating and drying device with temperature rise and heat preservation, the temperature is raised to 85-105°C, and the heat preservation is 10-20 hours; 10-110 minutes.

Embodiment 3

[0008] Example 3, put the composite insulator porcelain core into a heating and drying device with temperature rise and heat preservation, raise the temperature to 60-110°C, and keep it warm for 14-20 hours, then raise the temperature of the heat-preserved composite insulator porcelain core to 130-190°C, and keep it warm. 10-100 minutes.

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PUM

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Abstract

This invention discloses a heating and drying method for a compound insulator porcelain core characterizing that the insulator is warmed up to 40-230deg.C and preserved for 4-36 hours in a device with a heating-up and heat preservation device. Advantage: the cement set on the connection positions with Portland cement, ceramic sand or quartz sand the porcelain, gossan and steel foot of a suspended insulator or the flange part of cylindrical or rod insulators is dried to expel unwanted water and gas to smooth the next stage work.

Description

technical field [0001] The invention belongs to composite insulators used in high-voltage power transmission and transformation projects, in particular to an insulator and a heating and drying method for the porcelain core of the composite insulator. Background technique [0002] At present, porcelain or glass insulators are widely used in high-voltage power transmission and transformation projects and power systems. And composite insulators are gradually being used as the main device to replace traditional porcelain or glass insulators. The advantages of composite insulators are obvious. However, due to insulators and composite insulators, especially silicone rubber composite insulators with better anti-pollution performance, due to the limitations of their manufacturing process and structural requirements, although insulators and composite insulators produced by ordinary composite methods have good electrical properties and Anti-fouling performance, however, the so-calle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B19/02F26B3/00F26B9/00
Inventor 唐苑雯
Owner 青州市力王电力科技有限公司