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Opal glaze for electroceramics and glazing process thereof

A technology of milky white glaze and electric porcelain, applied in the field of electric porcelain, can solve the problems of efficiency and reputation impact of large milky white glaze products, and achieve the effect of smooth and flat surface and improved surface quality.

Inactive Publication Date: 2012-11-14
FUSHUN ELECTRIC PORCELAIN MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the improvement of the voltage level of the power transmission and transformation system, electric porcelain products are developing towards large-scale. For the 2.5-meter-high 220kV integrally formed bushing, and the 5-meter-high 550kV inorganic bonding porcelain sleeve and other large-scale milky white glaze products, the traditional milky white is used. The glaze and dipping process will cause quality defects such as yellow edges and water edges in the middle and lower parts of the product, and the benefits and reputation of large milky white glaze products will be seriously affected

Method used

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  • Opal glaze for electroceramics and glazing process thereof
  • Opal glaze for electroceramics and glazing process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: The glazed product is an integrally formed casing

[0021] Product name: 56760 Voltage level: 220kV

[0022] Product height: 2.5 meters User: American HVB Company

[0023] 1. Preparation of milky white glaze:

[0024] Get the following ingredients and their percentages by weight: Datong sand 8%; talcum powder 8%; limestone 1.1%; Faku clay 5.4%; white dry stone 9.99%; Zirconium acid 11.99%; SP-100 dispersant 0.06%.

[0025] 2. Glazing:

[0026] ① Dip glaze

[0027] Take the milky white glaze prepared above, control the Baumé degree at 49Be, and dip the integrally formed casing, the dipping time is controlled at 15 seconds, and the measured average value of the thickness of the glaze layer is 0.37mm;

[0028] ②Primary and secondary glaze spraying

[0029] Take the milky white glaze prepared above, and the Baume degree is controlled at 54Be;

[0030] a. One-time glaze spraying: Spray milky white glaze once from top to bottom on the overall forming slee...

Embodiment 2

[0034] Example 2: Inorganic bonding porcelain sleeve

[0035] Product name: 55800 Voltage level: 550kV

[0036] Product height: 5 meters User: Furukawa Corporation

[0037] 1. Preparation of milky white glaze:

[0038] Take the following ingredients and their weight percentages: Datong sand 7.09%; talcum powder 8.19%; limestone 1.82%; Faku clay 6.39%; white dry stone 10.99%; Zirconium acid 12.29%; SP-100 dispersant 0.08%.

[0039] 2. Glazing:

[0040] ① Dip glaze

[0041] Take the milky white glaze prepared above, control the Baumé degree at 51Be, and dip the inorganic bonding porcelain sleeve. The dipping time is controlled at 20 seconds, and the measured average value of the thickness of the glaze layer is 0.42mm;

[0042] ②Primary and secondary glaze spraying

[0043] Take the milky white glaze prepared above, and the Baume degree is controlled at 55Be;

[0044] a. One-time glaze spraying: Spray milky white glaze from top to bottom on the inorganic bonded porcelain s...

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Abstract

The invention discloses an opal glaze for electroceramics and a glazing process thereof. The opal glaze comprises the following components in percentage by weight: Datong sand, talcum powder, limestone, Faku clay, white drystone, feldspar, silica powder, barium carbonate, zirconium silicate and SP-100 dispersing agent. The glazing process comprises the steps of (1) glaze dipping; (2) primary and secondary glaze spraying; and (3) roasting, and the like. The opal glaze and glazing process thereof disclosed by the invention have the following characteristics and advantages: 1, the glazing process belongs to a creative process, and is a novel glazing process implemented by carrying out optimized combination on different glazing modes such as glaze dipping, glaze spraying and the like; 2, for adapting to the novel process and realizing good glaze slip performance, in the invention, while the process is adjusted, a dispersing agent with a better water reducing effect is used in a formula; and 3, the surface of an opal glaze product produced according to the invention is smooth, no glaze peeling and massing phenomena are caused, and more serious quality problems that the opal glaze product has yellow edges and water edges and the like are mainly solved, so that the surface quality of the product is greatly increased.

Description

1. Technical field [0001] The invention belongs to the technical field of electric porcelain, and in particular relates to an opalescent glaze for electric porcelain and a glazing process thereof. 2. Background technology [0002] The glazing process of electric porcelain is generally divided into dipping glaze, pouring glaze, spraying glaze and so on. [0003] generally adopted. With the improvement of the voltage level of the power transmission and transformation system, electric porcelain products are developing towards large-scale. For the 2.5-meter-high 220kV integrally formed bushing, and the 5-meter-high 550kV inorganic bonding porcelain sleeve and other large-scale milky white glaze products, the traditional milky white is used. Due to the glaze and dipping process, the middle and lower parts of the product will produce quality defects such as yellow edges and water edges, and the benefits and reputation of large milky white glaze products will be seriously affected...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/86
Inventor 汤晓中张海滨马智强
Owner FUSHUN ELECTRIC PORCELAIN MFG CO LTD
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