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Tempering processing method for 8-12mm tempered glass

A technology of tempered glass and processing method, applied in the direction of tempering of glass, glass production, glass manufacturing equipment, etc., can solve the problem of high self-explosion rate, and achieve the effect of improving the yield, increasing the degree of tempering, and ensuring the flatness

Inactive Publication Date: 2013-09-25
HUAIBEI CHANGXING SAFETY ENERGY SAVING TEMPERED GLASS
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AI Technical Summary

Problems solved by technology

The existing tempered glass process leads to a high self-explosion rate

Method used

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Embodiment Construction

[0014] The tempering processing method of 8-12mm tempered glass comprises the following steps in sequence:

[0015] (1) Add 12mm glass into simethicone oil at 160-180°C and heat for 10 minutes;

[0016] (2) Place the glass horizontally on the roller table, and send it to the tunnel tempering furnace through the roller table, and carry out heat treatment in sequence according to the interval:

[0017] The first interval: temperature 560-580°C, time 8-10 minutes; second interval: temperature 610-620°C, time 3-4 minutes; third interval: temperature 690-700°C, time 3 minutes;

[0018] (3) Take out the glass horizontally and cool it with high-pressure air until the surface temperature of the glass is 330-340°C;

[0019] (4) Add the glass to simethicone oil at 160-180°C and heat for 6 minutes;

[0020] (5) Put the glass into boiling water and cook for 12-15 minutes;

[0021] (6) After taking it out, let the air cool naturally.

[0022] The processed toughened glass is tested, an...

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Abstract

The invention discloses a tempering processing method for 8-12mm tempered glass. The tempering processing method comprises the following steps of adding glass into dimethicone which is at a temperature of 160 DEG C to 180 DEG C and heating for 5-10 minutes, placing the glass horizontally to a roller bed, conveying the glass to a channel-type tempering furnace by the roller bed, and carrying out heat treatments at different temperature ranges sequentially. According to the fact that the tempering processing method employs different temperature ranges for heating, a preheating treatment and a final heat treatment, the stress distribution of the glass surface is adjusted, the smoothness of the tempered glass is guaranteed, the tempered degree of the glass surface is increased, the self-destruction probability in a cooling process of the glass is reduced, the yield of the tempered glass is increased, and performance index requirements of the tempered glass are satisfied.

Description

technical field [0001] The invention belongs to the field of glass preparation, and in particular relates to a preparation process of tempered glass. technical background [0002] Tempered glass has been widely used due to its advantages such as high mechanical strength, excellent thermal shock resistance, and good safety. Most of the existing tempered glass production processes adopt the tempering process using air as the cooling medium, so that the heated glass is subjected to chilling treatment in a short period of time through a large amount of air, thereby completing the tempering process. The existing tempered glass process leads to a high self-explosion rate. Contents of the invention [0003] The object of the present invention is to provide a tempering processing method for 8-12mm tempered glass, the surface stress of the glass is uniform, the degree of curvature, fragmentation and tempering degree all meet the requirements, and the self-explosion rate of the gla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B27/012
CPCY02P40/57
Inventor 王文军
Owner HUAIBEI CHANGXING SAFETY ENERGY SAVING TEMPERED GLASS
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