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Process for production of high-strength pressure-resistant toughened glass

A tempered glass, high-strength technology, applied in the direction of glass tempering, glass manufacturing equipment, manufacturing tools, etc., can solve the problems that are not conducive to ensuring the quality of the glass, inconvenient for the glass to be heated evenly, and unfavorable for the rational use of heat energy, etc., to prevent self-explosion, Low cost, effect of removing thermal stress and residual stress

Inactive Publication Date: 2018-09-28
浙江向往建筑节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a process for the production of high-strength compressive tempered glass, so as to solve the inconvenient to ensure the uniform heating of the glass proposed in the above background technology, which is not conducive to ensuring the quality of the glass, and is not conducive to the rational use of heat energy , which is not conducive to the problem of energy saving

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The invention discloses a process for producing high-strength compression-resistant tempered glass, the process steps are as follows,

[0024] Step 1: Ingredients: 90% of silica glass wool, 5% of high-strength organic fiber, 2% of dispersant, 1% of stabilizer, and the rest are impurities;

[0025] Step 2: Melting: heat the prepared raw materials at a high temperature of 1300°C;

[0026] Step 3: Molding: Cool down the melted glass liquid to form it;

[0027] Step 4: Annealing: place the temperature after molding at a certain temperature for heat preservation, and then slowly cool down;

[0028] Step five: Tempering;

[0029] (a), the glass after annealing is carried out pretreatment, and pretreatment comprises cutting, edging, cleaning and drying;

[0030] (b), transfer the pretreated glass to the preheating section of the tempering furnace for preheating, the preheating temperature is 550°C, and the preheating time is 200s, the preheating section of the tempering fur...

Embodiment 2

[0034] The invention discloses a process for producing high-strength compression-resistant tempered glass, which is characterized in that the process steps are as follows:

[0035] Step 1: Ingredients: 96% silica glass wool, 1% high-strength organic fiber, 2% dispersant, 1% stabilizer, and the rest are impurities;

[0036] Step 2: Melting: heat the prepared raw materials at a high temperature of 1600°C;

[0037] Step 3: Molding: Cool down the melted glass liquid to form it;

[0038] Step 4: Annealing: place the temperature after molding at a certain temperature for heat preservation, and then slowly cool down;

[0039] Step five: Tempering;

[0040] (a), the glass after annealing is carried out pretreatment, and pretreatment comprises cutting, edging, cleaning and drying;

[0041] (b), transfer the pretreated glass to the preheating section of the tempering furnace for preheating, the preheating temperature is 500°C, and the preheating time is 250s, the preheating section o...

Embodiment 3

[0045] The invention discloses a process for producing high-strength compression-resistant tempered glass, which is characterized in that the process steps are as follows:

[0046] Step 1: Ingredients: 93% of silica glass wool, 3% of high-strength organic fiber, 2% of dispersant, 1% of stabilizer, and the rest are impurities;

[0047] Step 2: Melting: heat the prepared raw materials at a high temperature of 1500°C;

[0048] Step 3: Molding: Cool down the melted glass liquid to form it;

[0049] Step 4: Annealing: place the temperature after molding at a certain temperature for heat preservation, and then slowly cool down;

[0050] Step five: Tempering;

[0051] (a), the glass after annealing is carried out pretreatment, and pretreatment comprises cutting, edging, cleaning and drying;

[0052] (b) Transfer the pretreated glass to the preheating section of the tempering furnace for preheating. The preheating temperature is 525°C and the preheating time is 225s. The preheating...

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Abstract

The invention discloses a process for production of high-strength pressure-resistant toughened glass. The process comprises the following steps: step 1, pretreating heat-resistant glass; step 2, delivering the pretreated heat-resistant glass to a preheating section of a toughening furnace. and preheating for 1-2h at the preheating temperature of 900-1000 DEG C; step 3, raising the temperature to 1200-1300 DEG C at the rate of 20-30 DEG C / min, and heating for 30 min; and step 4, delivering the heat-resistant glass heated in the step 3 to a quenching cooling section of the toughening furnace, and performing cooling molding to obtain a finished product of the heat-resistant toughened glass. The process for production of the high-strength pressure-resistant toughened glass can quickly heat theheat-resistant glass, can perform heat circulation through a high-temperature convection fan so as to uniformly heat the heat-resistant glass, can reduce heat energy consumption, is favorable for energy saving and emission reduction, can effectively enhance the strength, the cold and heat resistance and the impact resistance of the heat-resistant glass, and can effectively remove heat stress andresidual stress in the heat-resistant glass.

Description

technical field [0001] The invention relates to the technical field of high-strength compression-resistant tempered glass, in particular to a process for producing high-strength compression-resistant tempered glass. Background technique [0002] With the development of society, people have higher and higher requirements for glass, such as people's requirements for glass strength and glass hardness, and high-strength pressure-resistant glass means that the overall structure of the glass remains intact under a certain pressure impact. , non-breaking special glass, and tempering is a process of further strengthening the strength of glass. [0003] However, it is inconvenient for people to produce high-strength compressive tempered glass, because it is not convenient to ensure the uniform heating of the glass, which is not conducive to ensuring the quality of the glass, and is not conducive to the rational use of heat energy, which is not conducive to saving energy. Contents o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C6/02C03C1/00C03B27/012C03B27/02
CPCC03B27/012C03B27/028C03C1/00
Inventor 卢兆庚张玉兰毛福成刘伟
Owner 浙江向往建筑节能科技有限公司
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