Preparation method of composite chemically-toughened glass, and toughening furnace system

A chemical tempering glass and tempering furnace technology, applied in the field of glass manufacturing, can solve the problems of manpower, time and resource waste, long salt washing process, etc., to achieve the effect of improving the tempering effect, prolonging the service life and improving the working efficiency of the equipment

Pending Publication Date: 2021-11-23
CAIHONG GRP SHAOYANG SPECIAL GLASS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The intermediate salt washing process takes a long time and requires the participation of personnel, resulting in a waste of manpower, time and resources

Method used

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  • Preparation method of composite chemically-toughened glass, and toughening furnace system
  • Preparation method of composite chemically-toughened glass, and toughening furnace system

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] The invention provides a glass composite chemical tempering furnace system, which implements high-efficiency and fully automatic tempering of glass.

[0024] figure 2 It is a glass composite chemical tempering furnace system provided by the present invention, which includes two preheating / annealing / drying furnaces, multiple tempering furnaces for chemically tempering glass, salt washing furnace for cleaning glass, and the glass to be tempered / The cleaning glass is put into or taken out of the handling mechanism of each tempering furnace. Multiple tempering furnaces and salt washing furnaces are independently installed, and the preheating / annealing / drying furnace is set above the tempering furnace and salt washing furnace.

[0025] Among them, the preheating / annealing / drying furnace is a multi-purpose furnace, which can be used for pre...

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PUM

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Abstract

The invention discloses a preparation method of composite chemically-toughened glass, and a toughening furnace system. The preparation method comprises the flowing steps: subjecting to-be-treated glass to preheating treatment and salt bath ion exchange treatment so as to obtain a first precursor; performing annealing, salt leaching and drying on the first precursor to obtain a second precursor; and repeating the above steps m times to obtain the composite chemically-toughened glass. The toughening furnace system comprises two preheating / annealing / drying furnaces, a plurality of toughening furnaces, a salt leaching furnace and a carrying mechanism, wherein the toughening furnaces and the salt leaching furnace are independently arranged, the preheating / annealing / drying furnaces are arranged above the toughening furnaces and the salt leaching furnace, and the plurality of toughening furnaces are divided into m groups and are used for carrying out ion exchange treatment on the glass m times. According to the invention, manpower is liberated, the tempering effect of the glass is improved, and the service life of a salt bath is prolonged.

Description

technical field [0001] The invention belongs to the technical field of glass manufacturing, in particular to a method for preparing compound chemical tempered glass and a tempering furnace system. Background technique [0002] Glass is a brittle material with microcracks on the glass surface, so its resistance to bending and impact is low. Chemical toughening is to use ions with larger radius in the salt bath to replace ions with smaller radius in the glass. A compressive stress layer is formed on the surface of the chemically toughened glass, and its strength, heat resistance and mechanical properties will be significantly improved, because of high compressive stress The existence of the layer, when the glass is subjected to external force, this compressive stress layer can offset part of the tensile stress and prevent the glass from breaking. In addition, after the glass is tempered, due to the large compressive stress on the surface, the micro-cracks on the glass surface...

Claims

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Application Information

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IPC IPC(8): C03C21/00C03B25/00C03C23/00
CPCC03C21/002C03B25/00C03C23/0075
Inventor 李肖妍牛桃霞仵小曦王楠李靖波
Owner CAIHONG GRP SHAOYANG SPECIAL GLASS CO LTD
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