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Method for producing high-brightness glass ceramic product

A production method and glass china technology, applied in the production field of high whiteness glass china products, can solve the problems of inability to reshape, difficult to reuse, etc., and achieve the effect of reducing cost

Active Publication Date: 2015-05-06
广东健诚高科玻璃制品股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Ceramic products are widely used in daily life, but the production process of ceramic products needs to be shaped at the porcelain clay stage. Due to changes in the crystallization state during the firing process, once the fired products are unqualified, it becomes difficult to reuse A waste product that cannot be reshaped

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Accurate weighing by weight percentage: 60.5% of quartz sand, 9.5% of aluminum hydroxide, 10.0% of soda ash, 1.8% of barium carbonate, 1.2% of calcium carbonate, 0.5% of magnesium carbonate, 0.5% of potassium nitrate, 7.5% of borax pentahydrate, oxide Zinc 5.5%, sodium fluorosilicate 3.0%.

[0017] The particle size of quartz sand is required to be controlled at 40-70 mesh sieve, because large particle size will make dissolution difficult, and small particle size will increase clarification time; the particle size of other raw materials should be controlled at 20-250 mesh sieve.

[0018] The raw materials are uniformly mixed in the mixer, and the uniformity of the batch is required to reach more than 95% (measured according to the requirements of the glass mixture building material industry standard JC / T 648-1996).

[0019] The batch material is evenly put in from the feeding port above the electric melting furnace, and the melting temperature is controlled at 1420±10°C...

Embodiment 2

[0026] Accurate weighing by weight percentage: quartz sand 59.5%, aluminum hydroxide 9.5%, soda ash 10.0%, barium carbonate 1.6%, calcium carbonate 1.5%, magnesium carbonate 0.8%, potassium nitrate 0.7%, borax pentahydrate 7.7%, oxide Zinc 5.2%, sodium fluorosilicate 3.5%.

[0027] Mix evenly, and evenly put the batch material into the electric melting furnace for melting, and the melting adopts the centrifugal molding process to make daily tableware such as dishes and bowls, and the process parameters are the same as in Example 1.

[0028] The appearance and feel of the product is basically the same as that of high-quality ceramics, without the feeling of paraffin or glass, which conforms to the aesthetics and performance of ceramic products, and can replace ceramic products.

[0029] After inspection, the whiteness of the product is 88, the gloss is 92, the heat resistance and impact resistance is 150°C, and all the indicators have reached the standard of high-quality cerami...

Embodiment 3

[0031] Accurate weighing by weight percentage: quartz sand 58.0%, aluminum hydroxide 9.0%, soda ash 10.5%, barium carbonate 2.0%, calcium carbonate 1.5%, magnesium carbonate 0.5%, potassium nitrate 0.8%, borax pentahydrate 7.5%, oxide Zinc 6.4%, sodium fluorosilicate 3.8%.

[0032] Mix evenly, and evenly put the batch material into the electric melting furnace for melting, and the melting adopts the centrifugal molding process to make daily tableware such as dishes and bowls, and the process parameters are the same as in Example 1.

[0033] The appearance and feel of the product is basically the same as that of high-quality ceramics, without the feeling of paraffin or glass, which conforms to the aesthetics and performance of ceramic products, and can replace ceramic products.

[0034] After inspection, the whiteness of the product is 90, the gloss is 94, and the performance index of heat resistance and impact resistance is 145°C. All the indexes have reached the standard of h...

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Abstract

The invention discloses a method for producing a high-brightness glass ceramic product. The method comprises the following steps: uniformly mixing the following raw materials in percentage by weight: 55.0-65.0 percent of quartz sand, 8.0-11.0 percent of aluminum hydroxide, 6.0-11.0 percent of sodium carbonate, 1.0-3.0 percent of barium carbonate, 0.5-3.5 percent of calcium carbonate, 0-1.5 percent of magnesium carbonate, 0-2.5 percent of potassium nitrate, 3.0-10.0 percent of borax pentahydrate, 3.0-9.0 percent of zinc oxide and 2.5-4.5 percent of sodium fluosilicate, melting the raw materials into clarified molten glass at the temperature of 1380-1480 DEG C, molding in a rotary mold at the temperature of 400-600 DEG C, and annealing in an annealing furnace at the temperature of 500-630 DEG C for 60-100 minutes, thereby obtaining the high-brightness glass ceramic product. The glass ceramic product prepared by the method has the performance and appearance feel of high-quality ceramics.

Description

[0001] This application is a divisional application with an application date of June 5, 2012, an application number of 201210181546.2, and an invention title of "A Production Method for High Whiteness Glass Ceramic Products". technical field [0002] The invention relates to a method for producing glass-ceramic products. Background technique [0003] Ceramic products are widely used in daily life, but the production process of ceramic products needs to be shaped at the porcelain clay stage. Due to changes in the crystallization state during the firing process, once the fired products are unqualified, it becomes difficult to reuse scrap, cannot be reshaped. [0004] At present, the appearance is similar to white porcelain, and thermoplastic materials include glass ceramics, glass-ceramic or opalescent glass. Due to the existence of tiny opacity crystals in the glass, the glass is opaque or translucent due to light scattering. This type of opalescent glass has been widely rep...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C10/00
Inventor 詹建怀张存浩章培彬蔡佳才江湘辉
Owner 广东健诚高科玻璃制品股份有限公司
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