Method for selecting and preparing raw materials of 550kN-grade suspension-type porcelain insulator glaze

A porcelain insulator, 550kn technology, which is applied in the field of selection and preparation of raw materials for graded suspension porcelain insulator glaze, can solve problems such as non-uniform selection, and achieve the effects of good fluidity, low degree of thickening, and improved bending strength

Inactive Publication Date: 2010-12-22
INST OF GEOCHEM CHINESE ACADEMY OF SCI +1
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0008] In view of the defect that the selection of raw materials for the glaze of the electric porcelain body is not uniform, the purpose of the present invention is to provide a method for the selection and preparation of the raw materials of the glaze for 550kN grade suspension porcelain insulators

Method used

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  • Method for selecting and preparing raw materials of 550kN-grade suspension-type porcelain insulator glaze
  • Method for selecting and preparing raw materials of 550kN-grade suspension-type porcelain insulator glaze

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Embodiment Construction

[0021] Following is the concrete process step of implementing the present invention:

[0022] Firstly, choose kaolinite clay 6-20%, talc 7-15%, feldspar 20-40%, refined quartz 25-40%, calcined bauxite 10-20%, calcium carbonate 3-15%, and porcelain powder 0-10%, water glass 0.001-1%. The particle size of the clay raw material is 20-40 mesh, and the particle size of other raw materials is 180-200 mesh. After uniform mixing, ball milling, and then component analysis. Its compositional analysis data and particle size are expressed as follows:

[0023] Calculation of chemical composition (%)

[0024] SiO 2

[0025] Particle size analysis

[0026] Micron

[0027] Specifically, the preparation is carried out according to the following process steps. The first step: raw material preparation, select kaolinite clay 6-20%, talc 7-15%, feldspar 20-40%, refined quartz 25-40%, calcined bauxite 10-20%, calcium carbonate 3-15%, medium porcelain powder 0-10%, water g...

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Abstract

The invention relates to a method of selecting and preparing raw materials of 550kN-grade suspension-type porcelain insulator glaze. A 550kN-grade porcelain insulator glaze green body can be prepared by selecting 6-20 percent of kaolinite clay, 7-15 percent of talc, 20-40 percent of feldspar, 25-40 percent of refined quartz, 10-20 percent of calcined bauxite, 3-15 percent of calcium carbonate, 0-10 percent of medium porcelain powder and 0.001-1 percent of sodium silicate. The granularity of the clay is 20-40mu, and the granularity of other raw materials is 180-200mu.The glaze is prepared by using the raw materials and the method has good flowability and little multiviscosity, and is convenient for glazing operation; and the glazed and sintered porcelain green body has bending strength of being improved by 25-40 percent, therefore, the electromechanical properties and the insulating property of a porcelain insulator are improved and the quality of the porcelain insulator product is guaranteed.

Description

technical field [0001] The invention relates to an amorphous and aluminosilicate material, which is especially suitable for the selection and preparation of glaze raw materials for 550kN grade suspension porcelain insulators. Background technique [0002] With the implementation of the strategy of "power transmission from west to east, national interconnection, and mutual supply between north and south" in my country, the country attaches great importance to the development of ultra-high voltage and ultra-high voltage technology and the localization of supporting equipment. In the future, my country's high-tonnage, large-capacity long-distance transmission lines will More and more, the future demand for 550kN class suspension porcelain insulators will also increase. [0003] Suspension porcelain insulator is a kind of aluminosilicate material composed of nearly 20 kinds of minerals mixed with various clay raw materials, prepared and sintered by complex process. The porcelain ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/86
Inventor 龚国洪伍正平谢玉敏尹中举金行赵莽原代振华龚翼尹祚莹王志宏刘世荣王子江
Owner INST OF GEOCHEM CHINESE ACADEMY OF SCI
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