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Method for preparing heat-resistant glass

A technology of heat-resistant glass and powder, which is applied in the field of building materials, can solve the problems of high cost of heat-resistant glass, and achieve the effects of improving heat resistance, reducing cost, and high light transmittance

Inactive Publication Date: 2016-05-11
广西丛欣实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method for preparing heat-resistant glass, which can solve the problem of high cost of existing heat-resistant glass

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The preparation method of this heat-resistant glass adopts the following raw materials in parts by weight: 45 parts of quartz sand, 23 parts of limestone, 20 parts of fluorite, 12 parts of sodium nitrate, 3 parts of alumina, 12 parts of high borosilicate, and 14 parts of steel fiber , 2 parts of cosolvent, 4 parts of binder;

[0016] Include the following steps:

[0017] A. Limestone, fluorite and graphite are ground into powder with a pulverizer to obtain limestone powder, fluorite powder and graphite powder;

[0018] B. Mix limestone powder, fluorite powder, graphite powder, quartz sand, sodium nitrate, high borosilicate, steel fiber, cosolvent and binder, and stir evenly to obtain a mixture. The stirring speed is 1200 rpm, and the stirring time for 25 minutes;

[0019] C. Melt the mixture at high temperature to obtain a mixed melt, the melting temperature is 1800°C, and the melting time is 40 minutes;

[0020] D. The mixed melt enters the calender and is rolled in...

Embodiment 2

[0024] The preparation method of this heat-resistant glass adopts the following raw materials in parts by weight: 65 parts of quartz sand, 37 parts of limestone, 35 parts of fluorite, 24 parts of sodium nitrate, 8 parts of alumina, 25 parts of high borosilicate, and 30 parts of steel fiber , 10 parts of cosolvent, 11 parts of binder;

[0025] Include the following steps:

[0026] A. Limestone, fluorite and graphite are ground into powder with a pulverizer to obtain limestone powder, fluorite powder and graphite powder;

[0027] B. Mix limestone powder, fluorite powder, graphite powder, quartz sand, sodium nitrate, high borosilicate, steel fiber, cosolvent and binder, and stir evenly to obtain a mixture. The stirring speed is 1800 rpm, and the stirring time is 50 minutes;

[0028] C. Melt the mixture at high temperature to obtain a mixed melt, the melting temperature is 2500°C, and the melting time is 55 minutes;

[0029] D. The mixed melt enters the calender and is calender...

Embodiment 3

[0033] The preparation method of this heat-resistant glass adopts the following raw materials in parts by weight: 50 parts of quartz sand, 30 parts of limestone, 27 parts of fluorite, 18 parts of sodium nitrate, 5 parts of alumina, 18 parts of high borosilicate, and 22 parts of steel fiber , 6 parts of cosolvent, 7 parts of binder;

[0034] Include the following steps:

[0035] A. Limestone, fluorite and graphite are ground into powder with a pulverizer to obtain limestone powder, fluorite powder and graphite powder;

[0036] B. Mix limestone powder, fluorite powder, graphite powder, quartz sand, sodium nitrate, high borosilicate, steel fiber, cosolvent and binder, and stir evenly to obtain a mixture. The stirring speed is 1500 rpm, and the stirring time is 37 minutes;

[0037] C. Melt the mixture at high temperature to obtain a mixed melt, the melting temperature is 2100°C, and the melting time is 47 minutes;

[0038] D. The mixed melt enters the calender to be rolled into...

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PUM

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Abstract

The invention discloses a method for preparing heat-resistant glass, and relates to the technical field of building materials. The method includes the following steps that A, limestone, fluorite and graphite are ground into powder by a powder mill, and limestone powder, fluorite powder and graphite powder are obtained; B, the limestone powder, the fluorite powder, the graphite powder, quartz sand, sodium nitrate, high borosilicate, steel fibers, cosolvents and binding agents are mixed and stirred to be even, and a mixture is obtained; C, the mixture is melted at the high temperature, and mixing melt is obtained; D, the mixing melt enters a calender and is calendered into a glass blank; E, the glass blank is cooled to be at the temperature of 25 DEG C to 30 DEG C, and the heat-resistant glass is prepared. Compared with the prior art, the method has the advantages of being low in cost, high in strength and good in heat-resistant effect.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a method for preparing heat-resistant glass. Background technique [0002] Heat-resistant glass refers to special glass that contains boric acid and silicic acid components with strong heat resistance and can withstand the temperature difference between cold and hot fusion. The thermal expansion coefficient is relatively small, and it is not easy to break under rapid temperature changes. Patent application number 201410093461.8 discloses a high-strength heat-resistant glass, which is composed of the following components by weight: amorphous quartz particles, potassium phosphotungstate, zirconium silicate, potassium feldspar, leuco, sodium nitrate, kyanite , aluminum oxide, nano-selenium powder, cerium oxide, sodium fluorosilicate, cullet, aluminum hydroxide; its characteristic is that by adding aluminum oxide components, the structural strength of aluminum oxide itsel...

Claims

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Application Information

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IPC IPC(8): C03C4/00C03C6/06
CPCC03C4/00C03C1/02
Inventor 韦杰王雪峰
Owner 广西丛欣实业有限公司
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