Preparation method of high-strength aluminum porcelain insulator porcelain body

A porcelain insulator, high-strength technology, applied in the field of preparation of high-strength aluminum porcelain insulator porcelain body, can solve the problems of low production efficiency of porcelain insulator porcelain body, easy cracking of insulators, high scrap rate, etc., to avoid porcelain body cracking, Good effect and high pass rate

Active Publication Date: 2019-12-17
江西正强电瓷电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the above reasons, the insulator is easy to crack during the heating process, and it is also easy to cause cracking during the cooling process, which makes the production efficiency of the porcelain insulator porcelain body low and the scrap rate is high. further improvement

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A method for preparing a high-strength aluminum porcelain insulator porcelain body, comprising the following steps:

[0029] S0: Calculated in parts by weight, mix 20 parts of mullite, 50 parts of clay, 5 parts of talc, 5 parts of kaolinite, 10 parts of silica powder, 20 parts of quartz, and 10 parts of industrial alumina powder, grind and remove Iron is sieved to make raw materials; the particle size of the raw materials is 100-300 mesh, wherein the particles with a particle size of 150-200 mesh account for 60%, the particles with a particle size of 100-150 mesh account for 10%, and the balance is 200-300 purpose particles.

[0030] S1: Take 0.1 part of sodium tripolyphosphate, dissolve it in 100 parts of water, stir evenly, and obtain a mixed solvent;

[0031] S2: Stir the raw materials at a stirring rate of 800 r / min; while stirring, add the mixed solvent to the raw materials by spraying to obtain a slurry;

[0032] S3: Dry the slurry at 30-40°C for 0.5h, then at 4...

Embodiment 2

[0041] A method for preparing a high-strength aluminum porcelain insulator porcelain body, comprising the following steps:

[0042] S0: Calculated in parts by weight, mix 25 parts of mullite, 55 parts of clay, 12 parts of talc, 8 parts of kaolinite, 12 parts of silica powder, 25 parts of quartz, and 12 parts of industrial alumina powder. Iron is sieved to make raw materials; the particle size of the raw materials is 100-300 mesh, wherein the particles with a particle size of 150-200 mesh account for 70%, the particles with a particle size of 100-150 mesh account for 15%, and the balance is 200-300 purpose particles.

[0043] S1: Take 0.1 part of sodium tripolyphosphate, dissolve it in 200 parts of water, stir evenly, and obtain a mixed solvent;

[0044] S2: Stir the raw materials at a stirring rate of 1000 r / min; while stirring, add the mixed solvent to the raw materials by spraying to obtain a slurry;

[0045] S3: Dry the slurry at 30-40°C for 1 hour, and then dry it at 40-...

Embodiment 3

[0054] A method for preparing a high-strength aluminum porcelain insulator porcelain body, comprising the following steps:

[0055] S0: Calculated in parts by weight, mix 25 parts of mullite, 60 parts of clay, 20 parts of talc, 10 parts of kaolinite, 15 parts of silica powder, 30 parts of quartz, 15 parts of industrial alumina powder, grind and remove Iron is sieved to make raw materials; the particle size of the raw materials is 300 mesh, wherein the particles with a particle size of 150-200 mesh account for 80%, the particles with a particle size of 100-150 mesh account for 20%, and the balance is 200-300 mesh particles .

[0056] S1: Take 0.1 part of sodium tripolyphosphate, dissolve it in 300 parts of water, stir evenly, and obtain a mixed solvent;

[0057] S2: Stir the raw materials at a stirring rate of 1200 r / min; while stirring, add the mixed solvent to the raw materials by spraying to obtain a slurry;

[0058] S3: drying the slurry at 30-40° C. for 1 hour, and then ...

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PUM

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Abstract

The invention discloses a preparation method of a high-strength aluminum porcelain insulator porcelain body, and the method comprises the following steps: raw material preparation, blank making, glazing, firing and cooling. According to the invention, a traditional sintering mode and a traditional cooling mode are changed by adding low-content sodium tripolyphosphate, and porcelain sand is added during the glazing; the porcelain body prepared by the method has compact structure and high bending strength, and is suitable for industrial production.

Description

technical field [0001] The invention relates to the field of insulators, in particular to a method for preparing a porcelain body of a high-strength aluminum porcelain insulator. Background technique [0002] An insulator is a device installed between conductors of different potentials or between a conductor and a component at ground potential, capable of withstanding voltage and mechanical stress. It is a special insulation control that can play an important role in overhead transmission lines. In the early years, insulators were mostly used on utility poles, and gradually developed into a high-voltage wire connection tower with a lot of disc-shaped insulators hanging on one end. It is to increase the creepage distance, and the insulators are usually made of glass or ceramics. Among them, the porcelain body of the porcelain insulator has the following characteristics: (1) large size, and it has a large wall thickness, the thickest part reaches 175mm; It is easy to generat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/13C04B33/26C04B33/16C04B33/34C04B41/86C04B33/30C03C8/14H01B17/00H01B19/00
CPCC04B33/131C04B33/26C04B33/16C04B33/34C04B41/86C04B41/5022C04B41/0081C04B33/30C03C8/14H01B17/00H01B19/00C04B2235/3463C04B2235/3418C04B2235/3217C04B2235/447C04B2235/96C04B2235/77C04B41/4539
Inventor 陈清春韩江朱凌峰
Owner 江西正强电瓷电器有限公司
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