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Preparation method of high-strength curved curtain wall glass

A high-strength, curved surface technology, applied in glass manufacturing equipment, glass forming, glass re-molding, etc., can solve the problem that waste glass cannot be recycled, can not effectively solve the problem of waste glass reuse, etc., to improve clarity and quality. Compressive strength, increasing strength and toughness, reducing heat loss

Active Publication Date: 2020-11-10
广州利粤玻璃有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned technical defects, the hot-bending glass aggregate of this invention mainly uses silica. However, there are a large number of waste glass in the society that cannot be effectively recycled, and this invention cannot effectively solve the problem of waste glass reuse.

Method used

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  • Preparation method of high-strength curved curtain wall glass
  • Preparation method of high-strength curved curtain wall glass

Examples

Experimental program
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Effect test

preparation example 1

[0068] A sheet of glass comprising the following weights of raw material:

[0069] Silicon dioxide: 80 parts;

[0070] Waste glass: 70kg;

[0071] Magnesium oxide: 34kg;

[0072] Calcite: 28kg;

[0073] Glauber's salt: 12kg;

[0074] Reducing agent: 1.6kg;

[0075] Alumina: 19kg;

[0076] Cryolite: 3kg;

[0077] Zirconia: 10kg;

[0078] Boron oxide: 24kg;

[0079] Wherein, reducing agent is tartaric acid.

[0080] The preparation method of above-mentioned glass sheet, comprises the steps:

[0081] S01. Clean the waste glass with water, break it into granules, dry it at 55°C, and then send it to a vacuum tumbler for 90 minutes. After tumbling, the glass particles are cleaned and dried, and the drying temperature is controlled at 55°C. ;

[0082] S02, put glass particles, magnesia, calcite, alumina, cryolite, zirconia and boron oxide into a ball mill for ball milling for 5 hours, and grind into powder;

[0083] S03. Mix Glauber's salt and tartaric acid in advance, an...

preparation example 2

[0086] A sheet of glass comprising the following weights of raw material:

[0087] Silicon dioxide: 96 parts;

[0088] Waste glass: 95kg;

[0089] Magnesium oxide: 29kg;

[0090] Calcite: 19kg;

[0091] Glauber's salt: 14kg;

[0092] Reducing agent: 1.9kg;

[0093] Alumina: 18kg;

[0094] Cryolite: 5kg;

[0095] Zirconium dioxide: 5kg;

[0096] Boron oxide: 28kg;

[0097] Wherein, reducing agent is tartaric acid.

[0098] The preparation method of above-mentioned glass sheet, comprises the steps:

[0099] S01. Clean the waste glass with water, break it into granules, dry it at 60°C, and send it to a vacuum tumbler for 50 minutes. After tumbling, the glass particles are cleaned and dried, and the drying temperature is controlled at 55°C. ;

[0100] S02. Put glass particles, magnesia, calcite, Glauber's salt, alumina, cryolite, zirconia and boron oxide into a ball mill for ball milling for 5 hours, and grind into powder;

[0101] S03. Mix Glauber's salt and tartaric ...

preparation example 3

[0104] A sheet of glass comprising the following weights of raw material:

[0105] Silicon dioxide: 85 parts;

[0106] Waste glass: 85kg;

[0107] Magnesium oxide: 25kg;

[0108] Calcite: 24kg;

[0109] Glauber's salt: 8kg;

[0110] Reducing agent: 2.4kg;

[0111] Alumina: 21kg;

[0112] Cryolite: 6kg;

[0113] Zirconia: 8kg;

[0114] Boron oxide: 30kg;

[0115] Wherein, reducing agent is tartaric acid.

[0116] The preparation method of above-mentioned glass sheet, comprises the steps:

[0117] S01. Clean the waste glass with water, break it into granules, dry it at 55°C, and then send it to a vacuum tumbler for 80 minutes. After tumbling, the glass particles are cleaned and dried, and the drying temperature is controlled at 60°C. ;

[0118] S02, putting glass particles, magnesia, calcite, Glauber's salt, alumina, cryolite, zirconia and boron oxide into a ball mill for ball milling for 6 hours, and grinding into powder;

[0119] S03. Mix Glauber's salt and tartari...

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Abstract

The invention discloses a preparation method of high-strength curved curtain wall glass. The preparation method comprises the following steps: preparing a glass sheet and an arc-shaped steel mold; cleaning a glass sheet, and smearing a separant; melting and annealing the glass sheet; and removing the separant to obtain the high-strength curved curtain wall glass; the glass sheet comprises the following raw material components in parts by weight: 80-96 parts of silicon dioxide; 70-95 parts of waste glass; 23-34 parts of magnesium oxide; 19-28 parts of calcite; 8-14 parts of mirabilite; 1.6-2.4parts of a reducing agent; 18-23 parts of aluminum oxide; 3-6 parts of cryolite; 5-11 parts of zirconium dioxide; and 24-35 parts of boron oxide. According to the invention, the waste glass is used for replacing part of silicon dioxide aggregate to obtain a finished product meeting the qualified standard quality, so that the waste glass is effectively recycled, and is economical and environment-friendly.

Description

technical field [0001] The invention relates to the technical field of glass preparation, more specifically, it relates to a preparation method of high-strength curved curtain wall glass. Background technique [0002] With the rapid development of modern industrialization and informationization, people's living environment and public facilities are constantly improving, and more attention is paid to aesthetics and sensory comfort. In order to meet the specific contour design of glass used in some building curtain walls, curved glass is required. for installation. Curved glass, also known as hot-bent glass, is heated and softened by high-quality glass, and then annealed in a mold to form curved glass. [0003] Related technologies, such as Chinese Invention Patent Application Publication No. CN107056049A disclose a kind of hot bending glass and its preparation process. The hot bending glass includes by weight percentage: 77-82% of silicon dioxide, 0.1-0.5% of gallium fluori...

Claims

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Application Information

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IPC IPC(8): C03C6/02C03C1/00C03B23/023
CPCC03C1/002C03B23/023
Inventor 刘涛
Owner 广州利粤玻璃有限公司
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