Preparation method and application of glaze material for fast-fired crystalline glazed ceramic tiles and ceramic tiles
A technology for crystalline glaze and ceramic tiles, which is applied in the preparation of glazes for fast-fired crystalline glaze ceramic tiles and ceramic tiles, and in the field of crystalline glazes. It can solve the problems of difficult to accurately control the particle size of residual nuclei, commercial production, and difficult control of crystal flowers. Achieve the effects of reducing the activation energy of crystallization, solving the narrow firing temperature range, and reducing requirements
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Embodiment 1
[0026] This embodiment provides a glaze for fast-fired crystalline glaze ceramic tiles. The glaze includes the following raw materials in parts by weight: 10 parts of zinc oxide, 15 parts of titanium dioxide, 5 parts of quartz, 10 parts of cryolite, 5 parts of zinc phosphate, 5 parts of kaolin, 40 parts of lead frit, and 0.25 g of carboxymethyl cellulose (CMC) and 0.3 g of sodium tripolyphosphate per 100 g of glaze.
[0027] This embodiment also provides a method for preparing fast-fired crystalline glaze ceramic tiles, including the following steps:
[0028] (1) Ceramic tile forming and drying: the powder for the blank is pressed into a shape at a high pressure of 270 Bar and a pressing speed of 7.8±1 times / min, and dried in a drying kiln at 170°C for 45 minutes to form a ceramic tile with certain strength ;
[0029] (2) Preparation of crystalline glaze, transparent top glaze and base glaze; among them, the preparation method of crystalline glaze is as follows: Weigh the raw materi...
Embodiment 2
[0035] This embodiment provides a green fast-fired crystalline glaze ceramic tile glaze, including a basic crystalline glaze and a color former, the basic crystalline glaze includes the following parts by weight of raw materials: zinc oxide 5 parts, titanium dioxide 30 parts, quartz 5 Parts, 16 parts cryolite, 1 part zinc phosphate, 10 parts kaolin, 10 parts lead frit, the color former is copper oxide, and its mass accounts for 1 part of the total mass of the basic crystalline glaze raw material and the color former %; In addition, 0.2 g of carboxymethyl cellulose (CMC) and 0.25 g of sodium tripolyphosphate are added per 100 g of glaze.
[0036] This embodiment also provides a method for preparing green fast-fired crystalline glaze ceramic tiles, including the following steps:
[0037] (1) Ceramic tile forming and drying: the powder for the blank is pressed into a shape at a high pressure of 270 Bar and a pressing speed of 7.8±1 times / min, and dried in a drying kiln at 170°C for 45...
Embodiment 3
[0043] This embodiment provides a glaze for light blue fast-fired crystalline glaze ceramic tiles, which includes a basic crystalline glaze and a color former. The basic crystalline glaze includes the following raw materials in parts by weight: 30 parts of zinc oxide, 5 parts of titanium dioxide, 20 parts of quartz, 0.5 parts of cryolite, 15 parts of zinc phosphate, 1 part of kaolin, 60 parts of lead frit, the color former is cobalt oxide, and its mass accounts for the total mass of the basic crystalline glaze raw material and the color former In addition, 0.3 g of carboxymethyl cellulose (CMC) and 0.35 g of sodium tripolyphosphate are added per 100 g of glaze.
[0044] This embodiment also provides a method for preparing light blue fast-fired crystalline glaze ceramic tiles, including the following steps:
[0045] (1) Ceramic tile forming and drying: the powder for the blank is pressed into a shape at a high pressure of 270 Bar and a pressing speed of 7.8±1 times / min, and dried in...
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