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Components of high-zirconia brick for glass kiln

A technology for zirconia bricks and glass furnaces, which is applied in the field of fused and cast refractory materials for glass furnaces. It can solve the problems of not being able to keep up with market demand and high costs, and achieve the effects of reducing glass defects, strong corrosion resistance, and improving glass quality.

Active Publication Date: 2013-10-16
LUOYANG DAYANG HIGH PERFORMANCE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, only 4 companies in the world, such as Corning of the United States and Asahi Glass of Japan, can produce. The TFT LCD panels used in China all import substrate glass from abroad, which is not only costly, but also far behind the growing strong market demand.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A component of high zirconia bricks for glass kilns, the raw materials and mass percentages of the high zirconia bricks are: 88% zirconia, 2.0% aluminum oxide, 8.0% silicon dioxide, and 0.6% sodium oxide , zinc oxide 0.4%, boron trioxide 1.0%.

Embodiment 2

[0017] A component of fused-cast high zirconia bricks for glass kilns, the raw materials and mass percentages of the high zirconia bricks are: 90% zirconia, 1.1% aluminum oxide, 7% silicon dioxide, 0.5% sodium oxide %, zinc oxide 0.4%, boron trioxide 1.0%.

Embodiment 3

[0019] A component of fusion-cast high zirconia bricks for glass kilns, the raw materials and mass percentages of the high zirconia bricks are: 92.5% zirconia, 0.5% aluminum oxide, 5.9% silicon dioxide, 0.3% sodium oxide %, zinc oxide 0.3%, diboron trioxide 0.5%.

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PUM

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Abstract

The invention belongs to the technical field of fusion-casting refractory materials for a glass kiln, and mainly relates to components of a high-zirconia brick for the glass kiln. The high-zirconia brick are prepared from the following raw materials in mass percentage: 88% to 98.5% of zirconium dioxide, 0.3% to 2.0% of aluminum oxide, 0.45% to 8.0% of silicon dioxide, 0.05% to 0.6% of sodium oxide, 0.2% to 0.4% of zinc oxide and 0.5% to 1.0% of diboron trioxide. According to the invention, the high-zirconia brick made from the components for the glass kiln has the characteristics of strong corrosion resistance and high refractoriness, the defects of glass can be reduced, and the glass quality can be improved.

Description

technical field [0001] The invention belongs to the technical field of melting and casting refractory materials for glass furnaces, and mainly relates to a component of high zirconia bricks for glass furnaces. Background technique [0002] With the rapid development of the electronics industry, displays are also rapidly updated. In response to high-quality requirements such as resolution, TFT liquid crystal displays were born. The substrate glass used in TFT liquid crystal displays is a borosilicate alkali-free glass that does not contain sodium oxide. Because TFT glass does not contain flux alkali, the melting temperature is very high; and because it contains boron oxide, boron oxide is also particularly volatile, which seriously corrodes the refractory materials of the TFT glass melting furnace. This puts forward higher requirements for refractory materials: the refractory materials in the contact glass liquid part of TFT glass melting furnace must use fused cast high zir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/484C04B35/66
Inventor 朱安龙潘巧丽苗建国苗建成
Owner LUOYANG DAYANG HIGH PERFORMANCE MATERIAL