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Formula of high-performance electrical ceramics

A high-performance, electric porcelain technology, applied in the field of electric porcelain, can solve the problems of poor performance and mechanical strength of porcelain

Inactive Publication Date: 2012-07-11
CHONGQING PIGEON ELECTRIC PORCELAIN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the properties of general electric porcelain materials, especially the properties of porcelain and mechanical strength, cannot achieve excellent performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The components and parts by weight ratio included in the present embodiment are:

[0019] Zuo Yuntu 30

[0020] Jiangjin clay 10

[0021] Jingyang soil 6

[0022] Bauxite 15

[0023] Potassium feldspar 5

[0024] Quartz Powder 8

[0025] The product performance that makes according to the component of present embodiment and the ratio of parts by weight is as follows:

[0026] Open porosity 0.0

[0027] Bulk density 2.55

[0028] Withstand voltage 37

[0029] Volume resistivity 10 14

[0030] Resistance to rapid changes in cold and heat (temperature difference) 210

[0031] Relative permittivity (50HZ, 20℃) 7.0

[0032] Unglazed porcelain bending strength 135

[0033] Glazed flexural strength 160.

Embodiment 2

[0035] The components and parts by weight ratio included in the present embodiment are:

[0036] Zuo Yuntu 40

[0037] Jiangjin clay 14

[0038] Jingyang soil 13

[0039] Bauxite 25

[0040] Potassium feldspar 10

[0041] Quartz powder 12

[0042] The product performance that makes according to the component of present embodiment and the ratio of parts by weight is as follows:

[0043] Open porosity 0.0

[0044] Bulk density 2.70

[0045] Withstand voltage 35

[0046] Volume resistivity 10 14

[0047] Resistance to rapid changes in cold and heat (temperature difference) 205

[0048] Relative permittivity (50HZ, 20℃) 7.1

[0049] Bending strength of unglazed porcelain 139

[0050] Glazed flexural strength 175.

Embodiment 3

[0052] The components and parts by weight ratio included in the present embodiment are:

[0053] Zuo Yuntu 35

[0054] Jiangjin clay 12

[0055] Jingyang soil 10

[0056] Bauxite 20

[0057] Potassium feldspar 8

[0058] Quartz powder 10

[0059] The product performance that makes according to the component of present embodiment and the ratio of parts by weight is as follows:

[0060] Open porosity 0.0

[0061] Bulk density 2.63

[0062] Withstand voltage 35.5

[0063] Volume resistivity 10 14

[0064] Resistance to rapid changes in cold and heat (temperature difference) 207

[0065] Relative permittivity (50HZ, 20℃) 6.8

[0066] Unglazed porcelain bending strength 136

[0067] Glazed flexural strength 161.

[0068] According to the above-mentioned examples 1-3, electric porcelain products for 220kv power stations have been mass-produced. These electric porcelain products have excellent performances, have reached the advanced level of similar electric porcel...

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PUM

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Abstract

The invention relates to a raw material formula of power station electrical ceramics, and the raw material formula comprises the following components in parts by weight: 30 to 40 parts of Zuoyun soil, 10 to 14 parts of Jiangjin clay, 6 to 13 parts of Jingyang soil, 15 to 25 parts of bauxite, 5 to 10 parts of potash feldspar, and 8 to 12 parts of silica flour. The ceramic quality of the electricalceramics produced by using the formula has the advantages of favorable mechanical characteristic, dielectric property, weather resistance and ageing resistance; moreover, the sintering scope is wide,the sintered ceramic body is completely ceramic and non-hygroscopic, and all the performance indexes exceed standards of strong alumina porcelain C121b in GB8411.

Description

technical field [0001] The invention belongs to the technical field of electric porcelain, and in particular relates to a high-performance electric porcelain formula. Background technique [0002] Electric porcelain materials are mainly made of clay, feldspar, quartz or aluminum oxide raw materials and other aluminosilicate mixtures, which are processed into certain shapes and fired at higher temperatures to obtain inorganic insulating materials. The porosity and bulk density reflect the properties of porcelain. In addition, electric porcelain materials also have important porcelain properties such as mechanical properties, electrical insulation properties and thermal properties. Among them, mechanical strength has always been the most important performance pursued by electric porcelain production, because electric porcelain materials have high strength. , under the condition of the same voltage level, the diameter or wall thickness of the rod body of the suspension insulat...

Claims

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Application Information

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IPC IPC(8): C04B33/13
Inventor 罗汉英
Owner CHONGQING PIGEON ELECTRIC PORCELAIN CO LTD