Preparation method of energy-saving glass

A technology of energy-saving glass and molten glass, applied in glass manufacturing equipment, glass molding, manufacturing tools, etc., can solve the problems of reducing actual service life, instability, negative impact of commercial application, etc., and achieve good energy saving effect and strong stability Sexuality, effect suitable for promotion and use

Active Publication Date: 2022-07-12
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These instabilities will greatly reduce their actual service life and have a significant negative impact on their commercial applications
Likewise, other low-valent tungsten oxides containing oxygen vacancies similar to tungsten bronze have similar properties and problems

Method used

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  • Preparation method of energy-saving glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] In this embodiment, a preparation method of energy-saving glass includes the following steps:

[0044] a. Calculated according to the weight percentage of the raw materials, the proportions of the ingredients of each raw material are as follows:

[0045] Cesium tungsten bronze (Cs 0.3 WO 3 ): 7.77%; tungstic acid (H 2 WO 4 ): 9.85%; boric acid (H 3 BO 3 ): 49.10%; silicon dioxide (SiO 2 ): 20.79%; sodium fluoride (NaF): 11.81%; antimony trioxide (Sb 2 O 3 ): 0.67%;

[0046] Take each raw material component according to the formula, pulverize each raw material and pass through a 200-400 mesh sieve, and then fully mix the raw materials for 20-60 minutes to obtain mixed raw materials;

[0047] b. Pour the mixed raw materials obtained in the step a into the crucible, put the crucible into the atmosphere furnace, fill the non-oxidizing gas of the melting process into the atmosphere furnace to not less than 1.3 bar, and remove the atmosphere furnace air and water va...

Embodiment 2

[0052] This embodiment is basically the same as the first embodiment, and the special features are:

[0053] In this embodiment, a preparation method of energy-saving glass includes the following steps:

[0054] a. This step is the same as the first embodiment;

[0055] b. This step is the same as that of Embodiment 1;

[0056] c. this step is identical with embodiment one;

[0057] d. Homogenize the temperature of the molten glass obtained in step c, and cool it to 1100° C., and quench the molten glass to form;

[0058] e. This step is the same as the first embodiment.

[0059] The energy-saving glass prepared in this example is subjected to experimental test analysis, see Table 1 and figure 1 .

Embodiment 3

[0061] This embodiment is basically the same as the previous embodiment, and the special features are:

[0062] In this embodiment, a preparation method of energy-saving glass includes the following steps:

[0063] a. This step is the same as the first embodiment;

[0064] b. This step is the same as that of Embodiment 1;

[0065] c. this step is identical with embodiment one;

[0066] d. Homogenize the temperature of the molten glass obtained in step c, and cool it to 1050° C., and quench the molten glass to form;

[0067] e. This step is the same as the first embodiment.

[0068] The energy-saving glass prepared in this example is subjected to experimental test analysis, see Table 1 and figure 1 .

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Abstract

The invention discloses a preparation method of energy-saving glass, which uses tungsten bronze or low-valent tungsten oxide, tungstic acid, boric acid, silicon dioxide, alkali metal halide or alkali metal carbonate, antimony trioxide as raw materials; Each raw material is melted and processed in a non-oxidizing atmosphere furnace in a non-oxidizing atmosphere at a set temperature after mixing the raw materials. After the melting is completed, the molten glass obtained by melting is taken out, and then The glass liquid is quenched and formed, and then the glass sheet is put into an annealing furnace for annealing. After annealing, the required non-coated heat-insulating energy-saving glass with light transmittance and near-infrared shielding performance is obtained. The energy-saving glass prepared by the method of the invention can not only shield near-infrared and ultraviolet light to achieve energy-saving effect, but also has a simpler and more economical production process and a longer service life compared with products of the same type.

Description

technical field [0001] The invention relates to a preparation method of glass, in particular to a preparation method of non-coated light-transmitting and heat-insulating energy-saving glass, which is mainly applied to the fields of building or automobile energy-saving smart windows. Background technique [0002] Intense solar radiation can increase the interior temperature of a building or vehicle, exacerbating the aging and degradation process of materials. However, traditional architectural glass lacks thermal insulation, which will inevitably increase the power consumption of air conditioners. In recent years, building energy consumption accounts for about 20% to 40% of the total social energy consumption in developing countries. In 2006, building energy consumption accounted for 26% of my country's total social energy consumption, and this proportion is expected to rise to 30% by 2020. This situation leads to a heavy energy burden and serious environmental pollution, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C3/064C03B19/02C03C4/00C03C4/08
CPCC03C3/064C03B19/02C03C4/00C03C4/08Y02B10/20
Inventor 杨光祁云航高彦峰
Owner SHANGHAI UNIV
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