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Colored glass and preparing method thereof

A colored glass and glass liquid technology, applied in glass manufacturing equipment, glass pressing, glass molding, etc., can solve the problems of poor glass stability, moldy glass, and many impurities, so as to improve glass strength, natural color, and production process simple effect

Inactive Publication Date: 2016-12-14
云南一鑫玻璃制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The raw material is mainly obtained through ore or slag, and there are many impurities, and SiO 2 The content of the glass is low, so the stability of the glass is poor. If copper or cobalt is added to make colored glass, it is easy to cause the glass to become moldy, that is, to produce halo

Method used

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  • Colored glass and preparing method thereof
  • Colored glass and preparing method thereof
  • Colored glass and preparing method thereof

Examples

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Effect test

Embodiment 1

[0023] A colored glass, comprising the following components in weight percent: 75% of quartz sand; 4% of sodium bicarbonate; 5.999% of potassium feldspar; 5% of dolomite; 5% of copper oxide; 4% of Glauber’s salt; 1% of sodium nitrate ;Cobalt oxide 0.001%;

[0024] Its preparation method comprises the following steps:

[0025] (1) Quartz sand, potassium feldspar and dolomite are pulverized into 120-mesh micropowder, and the iron content thereof is ≤0.3% by flotation; then weighed according to the proportion, batched, and fully mixed to obtain the batch;

[0026] (2) Add the batch material into the electric melting furnace, set the melting temperature to 1550°C, dissolve and react in the electric melting furnace for 165 hours to obtain a uniform glass liquid, and the glass liquid is cooled through the forehearth and pressed into Afterwards, it is cut into colored glass of required specifications.

Embodiment 2

[0028] A colored glass, comprising the following components in weight percent: 85% of quartz sand; 3% of sodium bicarbonate; 2% of potassium feldspar; 2% of dolomite; 1.995% of copper oxide; 3% of Glauber’s salt; 3% of sodium nitrate ;Cobalt oxide 0.005%;

[0029] Its preparation method comprises the following steps:

[0030] (1) Quartz sand, potassium feldspar and dolomite are pulverized into 120-mesh micropowder, and the iron content thereof is ≤0.3% by flotation; then weighed according to the proportion, batched, and fully mixed to obtain the batch;

[0031] (2) Add the batch material into the electric melting furnace, set the melting temperature to 1560°C, dissolve and react in the electric melting furnace for 168 hours to obtain a uniform glass liquid, and the glass liquid passes through the forehearth to cool down and then press to form, press Afterwards, it is cut into colored glass of required specifications.

Embodiment 3

[0033] A colored glass, comprising the following components in weight percent: 80% of quartz sand; 4% of sodium bicarbonate; 4% of potassium feldspar; 3.991% of dolomite; 3% of copper oxide; 3% of Glauber’s salt; 2% of sodium nitrate ;Cobalt oxide 0.009%;

[0034] Its preparation method comprises the following steps:

[0035] (1) Quartz sand, potassium feldspar and dolomite are pulverized into 120-mesh micropowder, and the iron content thereof is ≤0.3% by flotation; then weighed according to the proportion, batched, and fully mixed to obtain the batch;

[0036] (2) Add the batch material into the electric melting furnace, set the melting temperature to 1560°C, dissolve and react in the electric melting furnace for 168 hours to obtain a uniform glass liquid, and the glass liquid passes through the forehearth to cool down and then press to form, press Afterwards, it is cut into colored glass of required specifications.

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Abstract

The invention discloses colored glass and a preparing method thereof. The colored glass comprises quartz sand 80, sodium bicarbonate 4%, potassium feldspar, dolomite, copper oxide, mirabilite, sodium nitrate and cobaltous oxide. According to the preparing method, the content of iron ions is reduced through floatation, and melting temperature is set to be 1550-1565 DEG C. The colored glass prepared with the method has high stability, strength and quality, weathering of glass surface does not occur easily, the blue color of the glass is more uniform, more natural and brighter, and a good decoration effect can be realized.

Description

technical field [0001] The invention relates to the field of glass manufacturing, in particular to colored glass and a preparation method thereof. Background technique [0002] Glass is formed by melting together chemical substances such as silicon dioxide and limestone. It forms a continuous network structure when it melts. It is a silicate non-metallic material that gradually increases in viscosity and hardens during cooling to cause it to crystallize. The chemical composition of ordinary glass is Na 2 SiO 3 , CaSiO 3 , SiO 2 or Na 2 O CaO 6SiO 2 etc., the main component is silicate double salt, which is an amorphous solid with irregular structure. It is widely used in buildings, used for wind and light transmission, and belongs to the mixture. There is also colored glass that is mixed with certain metal oxides or salts to show color, such as adding cobalt, copper and other elements to make the glass appear blue. The publication number is CN103553341B, which disclos...

Claims

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Application Information

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IPC IPC(8): C03C6/04C03C4/02C03C1/10C03B5/02C03B11/00
CPCC03C1/10C03B5/02C03B11/00C03C4/02
Inventor 廖远明
Owner 云南一鑫玻璃制品有限公司