Processing method for rapidly tempering low-e glass

A low-e, processing method technology, applied in glass tempering, glass production, glass manufacturing equipment, etc., can solve problems such as easy glass oxidation, reduced equipment service life, and easy local occurrence, so as to improve quality and product qualification rate, improve production efficiency, and solve the effect of slow heating

Inactive Publication Date: 2013-09-04
天津南玻节能玻璃有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Prone to glass oxidation;
[0004] 2. The flatness of tempering is poor, which affects the appearance;
[0005] 3. Prone to local chromatic aberration;
[0006] 4. The heating time is long, and the electric energy consumed per square meter of glass is large;
[0007] 5. Serious damage to the equipment, reducing the service life of the equipment

Method used

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  • Processing method for rapidly tempering low-e glass
  • Processing method for rapidly tempering low-e glass

Examples

Experimental program
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Embodiment Construction

[0023] Embodiments of the present invention are described in detail below according to the accompanying drawings:

[0024] Such as figure 1 Shown: a kind of processing method of fast toughened low-e glass, comprises the steps:

[0025] (1) Cut the glass 2 into a specified size according to requirements;

[0026] (2) performing edge grinding on the glass 2;

[0027] (3) put the low-e film 3 of the glass 2 facing down, and put it into the heating furnace of the tempering furnace;

[0028] (4) First, preheat the upper and lower surfaces of the glass: the preheating temperature of the upper surface of the glass is 380-520 degrees Celsius, the preheating temperature of the lower surface of the glass is 370-510 degrees Celsius, the upper surface of the glass The speed efficiency of the surface preheating convection fan is 80%-90%, and the speed efficiency of the glass lower surface preheating convection fan is 70%-80%; the preheating time is 150-250 seconds, and then the glass is...

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Abstract

The invention provides a processing method for rapidly tempering low-e glass. The processing method comprises the following steps of: 1, cutting the glass; 2, edging the glass; 3. downwards placing a low-e film in a heating furnace; 4, preheating and heating the glass; and 5, air cooling the glass. The processing method has the beneficial effects that the low-e film of the glass faces downwards, the problems of low temperature raising speed, non-uniformity in heating, damage to equipment and service life of the glass during heating are solved; electric energy is saved, the cost is further saved; the production efficiency is improved; and the quality of the glass is improved and the yield of the glass is increased.

Description

technical field [0001] The invention belongs to the field of glass processing, in particular to a processing method for rapidly tempering low-e glass. Background technique [0002] At present, the production of tempered glass is divided into two modes: chemical tempering and physical tempering. Chemical tempering is to place the glass in molten alkali salt, so that the ions with smaller radius in the surface layer of the glass exchange with the ions with larger radius in the molten salt, and finally form compressive stress layers on both surfaces of the glass, and form tension stress layers inside the glass. The stress layer can achieve the purpose of improving the mechanical strength and temperature shock resistance of the glass. This method is generally used for tempering small glass such as mobile phone screens and display device glass, and it seriously pollutes the environment. It cannot meet the requirements for tempering architectural glass, let alone process low-e gl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B27/012C03B27/04
CPCY02P40/57
Inventor 王琦彭立群王烁秦伟哲童帅
Owner 天津南玻节能玻璃有限公司
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