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Preparation method of non-porous nano crystalline glass ground decoration tile
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A nano-crystal and floor decoration technology, applied in glass manufacturing equipment, glass furnace equipment, glass production and other directions, can solve problems such as lack of glaze, color difference flatness, micro-cracks, etc., to achieve low production costs, good industrial upgrading, and promotion of The effect of resource saving
Inactive Publication Date: 2012-07-18
姚桂龙
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Problems solved by technology
[0002] At present, the existing ceramic glazed floor tiles and glass-ceramic composite tiles on the market generally have appearance defects caused by processing technology and materials, such as various surface pinholes, lack of glaze, micro-cracks, color difference and flatness visible to the naked eye. Poor degree of humidity, etc., can easily cause moisture absorption and dirtying of the floor tiles
In addition, the technical indicators such as Mohs hardness, flexural strength, wear resistance and low temperature frost resistance on the surface of the floor tiles are not ideal, and long-term use will easily cause cracks, deformation and dirt absorption. It is easy to ignore these problems
Method used
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Embodiment 1
[0012] Embodiment 1 of the present invention, a method for preparing a non-porous nano glass-ceramic floor decorative tile, comprises the following steps:
[0013] (1) Add the pulverized waste slag raw material into the melting kiln, heat it to 1420-1580 ° C, convert it into glass liquid, and complete the clarification and homogenization process;
[0014] (2) Pour the clarified and homogenized molten glass into the salivating calendering machine, pour it vertically through the tail of the salivating groove onto the rotating lower pressing roller, and through the continuous relative rotation of the upper and lower rollers, the glass is hydraulically extended into A glass plate of a certain thickness and width. Then enter the annealing furnace for annealing treatment according to the annealing curve requirements of 400-800°C, and make a qualified glass original plate;
[0015] (3) Enter the qualified glass original plate into the electrothermal crystallization roller kiln, heat...
Embodiment 2
[0018] In Example 2, the weight percentages of each component of the main raw material are: wollastonite 45, feldspar 12, dolomite 11, fluorite 6, calcite 18, coal gangue 4, fly ash 4, and the waste slag raw material additives are each The weight percentage of components is: MgO 5, ZnO 2.5, B 2 o 3 4.
Embodiment 3
[0019] In embodiment 3, the weight percentage of each component of main raw material is: wollastonite 41, feldspar 9, dolomite 12, fluorite 7, calcite 22, coal gangue 6, fly ash 3, described waste slag raw material additive each The weight percentage of components is: MgO 4, ZnO 1.5, B 2 o 3 1.
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Abstract
The invention discloses a preparation method of a non-porous nano crystalline glass ground decoration tile, which comprises the following steps: (1) transforming a crushed raw slag material into molten glass, and completing clarification and homogenization, wherein the main raw materials of the raw slag material comprise wollastonite, feldspar, dolomite, fluorite, calcite, coal gangue and fly ash, and the additives in the raw slag material comprise MgO, ZnO and B2O3; (2) preparing a glass tape by forming the clarified and homogenized molten glass through continuous two-roll calendaring, and then annealing, thereby preparing a qualified raw glass sheet; and (3) carrying out the crystallization and heat treatment of the raw glass sheet in a crystallization roller kiln to prepare a crystalline sheet, polishing, finishing and cutting, thereby preparing the non-porous nano crystalline glass ground decoration tile. The product prepared in the preparation method of the invention solves the problems of the ceramic glazed floor tile and the crystalline glass-ceramic combined tile of the prior art such as surface pinholes, micro cracks, poor strength, moisture absorption, dust accumulation and the like.
Description
technical field [0001] The invention relates to a method for preparing a glass-ceramic floor decorative tile. Background technique [0002] At present, the existing ceramic glazed floor tiles and glass-ceramic composite tiles on the market generally have appearance defects caused by processing technology and materials, such as various surface pinholes, lack of glaze, micro-cracks, color difference and flatness visible to the naked eye. Poor humidity, etc., can easily cause moisture absorption and dirtying of the floor tiles. In addition, the technical indicators such as Mohs hardness, flexural strength, wear resistance and low temperature frost resistance on the surface of the floor tiles are not ideal, and long-term use will easily cause cracks, deformation and dirt absorption. It's easy to overlook these issues. Therefore there must be a product with better performance to replace existing ceramic glazed floor tiles and glass-ceramic composite bricks, or to carry out tech...
Claims
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Application Information
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