CN114634375B - Ceramic tile and preparation method thereof - Google Patents

Ceramic tile and preparation method thereof Download PDF

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Publication number
CN114634375B
CN114634375B CN202210325274.2A CN202210325274A CN114634375B CN 114634375 B CN114634375 B CN 114634375B CN 202210325274 A CN202210325274 A CN 202210325274A CN 114634375 B CN114634375 B CN 114634375B
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parts
ceramic tile
glaze
weight
overglaze
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CN114634375A (en
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沈荣伟
邓兴智
肖惠银
王永强
魏宇婷
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Chongqing Wonderful Ceramics Co ltd
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Chongqing Wonderful Ceramics Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
    • C03C8/20—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/86—Glazes; Cold glazes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Abstract

The invention discloses a ceramic tile and a preparation method thereof, wherein the preparation method of the ceramic tile comprises the steps of pressing a blank to form a ceramic tile blank body and drying the ceramic tile blank body; wiping the dried ceramic tile blank once and spraying water, and then spraying a ground coat to obtain a ground coat layer; sequentially carrying out primary infrared drying, ink-jet printing of decorative patterns and secondary infrared drying on the ground glaze layer, and then applying overglaze to obtain an overglaze layer; applying brick bottom slurry on the bottom surface of the ceramic tile green body, which is far away from the surface glaze layer, and firing and forming in a kiln to obtain the ceramic tile; wherein, 0.85 to 1.42 weight parts of additive is added into the ground glaze, the surface glaze and the brick bottom slurry; the additive comprises the following components in parts by weight: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil. By arranging the additive, a protective film is formed on the ceramic tile, so that the ceramic tile is prevented from falling slag during processing, and the product quality of the ceramic tile is guaranteed.

Description

Ceramic tile and preparation method thereof
Technical Field
The invention relates to the field of production of architectural ceramic tiles, in particular to a ceramic tile and a preparation method thereof.
Background
With the development of economy, the requirements of ceramic tiles are increased sharply, and the requirements on the quality of the ceramic tiles are stricter; however, the excellent raw materials of the ceramic tiles are gradually consumed, so that the difficulty of quality control in the production process of the ceramic tiles is increased, and the quality of the ceramic tiles is gradually influenced by the loss of the excellent raw materials.
The slag falling in the production processes of conveying, oil printing and the like of the ceramic tile is one of the problems of influence on the quality of the ceramic tile, the ceramic tile is often adhered to a glaze line belt in the conveying process to fall the slag, or fine powder on the glaze surface is easily adsorbed by the printing glaze in the silk screen or rubber roll printing process, so that the printing defects of screen adhesion, roller adhesion, flower missing and the like in the printing are caused.
Therefore, the prior art has defects and shortcomings, and further improvements and developments are needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a ceramic tile and a preparation method thereof, and aims to solve the problem that slag is easy to fall in the production process of the ceramic tile in the prior art to influence the product quality.
In order to solve the technical problems, the invention provides the following technical scheme: a method of making a ceramic tile comprising:
pressing the blank to form a ceramic tile blank, and drying;
wiping the dried ceramic tile blank body once and spraying water, and then spraying ground coat to obtain a ground coat layer;
sequentially carrying out primary infrared drying, ink-jet printing of decorative patterns and secondary infrared drying on the ground glaze layer, and then applying overglaze to obtain an overglaze layer;
applying brick bottom slurry on the bottom surface of the ceramic tile green body, which is far away from the surface glaze layer, and firing and forming in a kiln to obtain the ceramic tile;
wherein, 0.85 to 1.42 weight parts of additive is added into the ground glaze, the overglaze and the brick bottom slurry; the additive comprises the following components in parts by weight: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil.
Further, the formula of the ground glaze comprises the following components in parts by weight:
10-15 parts of potassium feldspar, 20-30 parts of albite, 7-15 parts of quartz, 8-15 parts of kaolin, 2-3 parts of aluminum oxide, 3-6 parts of aluminum hydroxide, 4-15 parts of zirconium silicate, 0-5 parts of dolomite and 15-25 parts of zirconium opacified frit;
the zirconium opacified frit comprises the following chemical components in percentage by mass: siO 2 2 62.13％、Al 2 0 3 11.51％、CaO 8.07％、MgO 5.17％、K 2 0 5.79％、Na 2 0.06% and ZrO 2 5.27 percent; the ground glaze is also added with 1.16 parts of additive by weight, and the additive comprises the following components by weight: 9 parts of waterborne polyurethane, 34 parts of sodium tripolyphosphate, 5 parts of a preservative and 52 parts of toughening soil.
Further, the formula of the ground glaze specifically comprises the following components in parts by weight:
12 parts of potassium feldspar, 25 parts of albite, 11.5 parts of quartz, 11 parts of kaolin, 2.5 parts of aluminum oxide, 4 parts of aluminum hydroxide, 9 parts of zirconium silicate, 5 parts of dolomite and 20 parts of zirconium opacified frit.
Further, the formula of the ground glaze specifically comprises the following components in parts by weight:
15 parts of potassium feldspar, 20 parts of albite, 15 parts of quartz, 12 parts of kaolin, 3 parts of aluminum oxide, 5 parts of aluminum hydroxide, 7 parts of zirconium silicate, 3 parts of dolomite and 20 parts of zirconium opacified frit.
Further, the preparation method of the ground glaze specifically comprises the following steps:
weighing 101.16kg of the ground glaze raw material and the additive according to the formula of the ground glaze, adding 41kg of water, and carrying out wet ball milling, wherein the ball milling fineness is 0.3-0.6% of the sieved residue of a 325-mesh sieve, the glaze slip proportion of the ground glaze is 1.77 +/-0.22, and the glaze slip flow rate of the ground glaze is 30-37 seconds;
wherein, when the ground glaze is sprayed, the temperature of a ceramic tile green brick is 65-70 ℃; the glazing amount of the ground coat is 280 plus or minus 20g/m 2 。
Further, the formula of the overglaze comprises the following components in parts by weight:
CQ5036 glaze 92 parts, kaolin 7 parts and quartz 1 part;
the CQ5036 glaze comprises the following chemical components in percentage by mass: burn off 7.25% and SiO 2 52.94％、Al 2 O 3 14.56％、Fe 2 O 3 0.17％、Ti0 2 0.26％、CaO 9.1％、MgO4.7％、K 2 0 0.93％、Na 2 0 3.8％、ZnO 2.14％、B 2 O 3 0.18% and bao3.97%; the overglaze is also added with 1.42 parts by weight of additives, and the additives comprise the following components in parts by weight: 8 parts of waterborne polyurethane, 46 parts of sodium tripolyphosphate, 4 parts of a preservative and 42 parts of toughening soil.
Further, the preparation method of the overglaze specifically comprises the following steps:
weighing 101.42kg of the overglaze raw material and the additive according to the formula of the overglaze, adding 41.5kg of water, and carrying out wet ball milling, wherein the ball milling fineness is 0.3-0.6% of the sieved residue of a 325-mesh sieve, the glaze slip proportion of the overglaze is 1.78 +/-0.02, and the glaze slip flow rate of the overglaze is 30-37 seconds;
when the overglaze is applied, the temperature of the adobe of the ceramic tile is 35 to 45 ℃; the glazing amount of the overglaze is 150 +/-15 g/m 2 。
Further, the brick bottom slurry comprises the following components in parts by weight:
96 parts of magnesium oxide and 4 parts of kaolin;
wherein, the brick bottom slurry is also added with 0.85 part of additive by weight, and the additive by weight comprises: 53 parts of waterborne polyurethane, 41 parts of sodium tripolyphosphate and 6 parts of preservative.
Further, the preparation method of the brick bottom slurry specifically comprises the following steps:
weighing 100.85kg of raw materials and additives according to the formula of the brick bottom slurry, adding 170kg of water, and performing wet ball milling, wherein the ball milling fineness is that the residue after sieving through a 325-mesh sieve is not more than 0.1%.
In order to solve the above technical problems, the present invention provides another technical solution as follows: ceramic tile, characterized in that it is obtained by the ceramic tile production process as described above.
The invention provides a ceramic tile and a preparation method thereof, wherein the preparation method of the ceramic tile comprises the following steps: pressing the blank to form a ceramic tile blank, and drying; wiping the dried ceramic tile blank once and spraying water, and then spraying a ground coat to obtain a ground coat layer; sequentially carrying out primary infrared drying, ink-jet printing of decorative patterns and secondary infrared drying on the ground glaze layer, and then applying overglaze to obtain an overglaze layer; applying brick bottom slurry on the bottom surface of the ceramic tile blank body, which is away from the surface glaze layer, and firing and molding in a kiln to obtain a ceramic tile; wherein, 0.85 to 1.42 weight parts of additive is added into the ground glaze, the overglaze and the brick bottom slurry; the additive comprises the following components in parts by weight: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil. It can be understood that the base glaze, the overglaze and the brick bottom slurry are added with the following components in parts by weight: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil, so that a high-strength protective film can be quickly formed on the corresponding surface of the ceramic tile, the ceramic tile is long in duration and resistant to high-temperature decay, the problem that the ceramic tile falls off slag in the processing process is effectively solved, the dust amount of a workshop is effectively reduced, the quality of a glazed surface is improved, and the product quality of the ceramic tile is guaranteed. The additive is further used in the formula of the brick bottom slurry, so that the brick bottom slurry is not easy to fall off, and dust in a workshop is greatly reduced; the additive is used in the ground glaze, the ground glaze cannot generate powder, and the printing material cannot be bonded with the blank surface during silk screen or rubber roller printing, so that the printing quality is improved, and the product goodness is improved; when the product is printed by ink jet, the printing quality can be improved. The additive is used in the ground glaze, the overglaze and the brick ground paste, and the suspension property, the caking property and the like of the glaze slip are not changed greatly after the glaze slip is processed for 7 days.
Drawings
FIG. 1 is a schematic flow chart of a method for making ceramic tiles according to the present invention.
Detailed Description
The invention provides a ceramic tile and a preparation method thereof, and the invention is further described in detail below in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
With the development of economy, the requirements of ceramic tiles are increased sharply, and the requirements on the quality of the ceramic tiles are stricter; however, the excellent raw materials of the ceramic tiles are gradually consumed, so that the difficulty of quality control in the production process of the ceramic tiles is increased, and the quality of the ceramic tiles is gradually influenced by the loss of the excellent raw materials. The slag falling during the production process of conveying, oil printing and the like of the ceramic tile is one of the problems of influence on the quality change of the ceramic tile, the ceramic tile is often adhered to a glaze line belt during the transportation process to fall the slag, or the fine powder on the glaze surface is easily adsorbed by the printing glaze during the silk screen or rubber roll printing, so that the printing defects of screen adhesion, roller adhesion, flower missing and the like during the printing are caused. The invention provides a ceramic tile and a preparation method thereof based on the defects and shortcomings of the prior art, and aims to solve the problem that the product quality is affected by easy slag falling in the production process of the ceramic tile in the prior art. The method comprises the following steps of adding the following components in parts by weight into the ground glaze, the overglaze and the brick bottom slurry: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil, so that a high-strength protective film can be quickly formed on the corresponding surface of the ceramic tile, the ceramic tile is long in duration and resistant to high-temperature decay, the problem of slag falling in the processing process of the ceramic tile is effectively solved, the dust amount of a workshop is effectively reduced, the quality of a glazed surface is improved, the product quality of the ceramic tile is guaranteed, and the following embodiments are particularly worried to take.
Referring to fig. 1, an embodiment of the present invention provides a method for preparing a ceramic tile, which includes:
s11, pressing the blank to form a ceramic tile blank, and drying;
s12, wiping and spraying water on the dried ceramic tile green body once, and spraying a ground coat to obtain a ground coat layer;
s13, sequentially carrying out primary infrared drying, ink-jet printing of decorative patterns and secondary infrared drying on the ground glaze layer, and then applying overglaze to obtain an overglaze layer;
s14, applying a brick bottom slurry on the bottom surface of the ceramic tile blank body, which is away from the surface glaze layer, and firing and forming in a kiln to obtain a ceramic tile;
wherein, 0.85 to 1.42 weight parts of additive is added into the ground glaze, the overglaze and the brick bottom slurry; the additive comprises the following components in parts by weight: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil.
In this embodiment, the method comprises the following steps of adding the following components in parts by weight to the ground glaze, the overglaze and the brick bottom slurry: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil, so that a high-strength protective film can be quickly formed on the corresponding surface of the ceramic tile, the ceramic tile is long in duration and resistant to high-temperature decay, the problem of slag falling in the processing process of the ceramic tile is effectively solved, the dust amount of a workshop is effectively reduced, the quality of a glazed surface is improved, and the product quality of the ceramic tile is guaranteed; specifically, by adding the waterborne polyurethane, a high-strength protective film can be effectively formed on the surface corresponding to the ceramic tile; by adding the preservative, the high-temperature corrosion resistance of the protective film can be improved; the strength of the protective film can be effectively improved by adding the toughening soil and the sodium tripolyphosphate; finally, the qualification rate of the product can be improved by 5-10%. The additive is further used in the formula of the brick bottom slurry, so that the brick bottom slurry is not easy to fall off, and dust in a workshop is greatly reduced; the additive is used in the ground glaze, the ground glaze cannot generate powder, and the printing material cannot be bonded with the blank surface during silk screen or rubber roller printing, so that the printing quality is improved, and the product goodness is improved; when the product is printed by ink jet, the printing quality can be improved. The additive is used in the ground glaze, the overglaze and the brick ground paste, and the suspension property, the caking property and the like of the glaze slip are not changed greatly after the glaze slip is processed for 7 days.
Further, the preparation method of the ceramic tile specifically comprises the following steps: blank formula feeding → ball milling → sieving and deironing → spray tower powdering → aging → feeding → sieving → brick pressing → blank wiping → drying → blank wiping → water spraying → bottom glaze pouring → infrared drying → ink-jet printing → infrared drying → surface glaze pouring → bottom slurry coating → firing → brick storage is polished → polishing → edge grinding → super-clean polishing → anti-soil wax coating → defect inspection → film coating → batch marking → packaging → warehousing; wherein, 0.85 to 1.42 parts by weight of additives are added into the ground glaze, the overglaze and the brick bottom slurry, and the additives comprise the following components in parts by weight: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil.
Further, the formula of the ground glaze comprises the following components in parts by weight:
10-15 parts of potassium feldspar, 20-30 parts of albite, 7-15 parts of quartz, 8-15 parts of kaolin, 2-3 parts of aluminum oxide, 3-6 parts of aluminum hydroxide, 4-15 parts of zirconium silicate, 0-5 parts of dolomite and 15-25 parts of zirconium opacified frit;
the zirconium opacified frit comprises the following chemical components in percentage by mass: siO 2 2 62.13％、Al 2 0 3 11.51％、CaO 8.07％、MgO 5.17％、K 2 0 5.79％、Na 2 0.06% and ZrO 2 5.27 percent; the ground glaze is also added with 1.16 parts of additive by weight, and the additive comprises the following components by weight: 9 parts of waterborne polyurethane, 34 parts of sodium tripolyphosphate, 5 parts of a preservative and 52 parts of toughening soil; that is, in terms of weight fraction, 0.1 part of waterborne polyurethane, 0.4 part of sodium tripolyphosphate, 0.4 part of preservative and 0.6 part of toughening soil are added to 100 parts of ground coat raw materials.
Further, the formula of the ground glaze specifically comprises the following components in parts by weight:
12 parts of potassium feldspar, 25 parts of albite, 11.5 parts of quartz, 11 parts of kaolin, 2.5 parts of aluminum oxide, 4 parts of aluminum hydroxide, 9 parts of zirconium silicate, 5 parts of dolomite and 20 parts of zirconium opacified frit.
Further, the formula of the ground glaze specifically comprises the following components in parts by weight:
15 parts of potassium feldspar, 20 parts of albite, 15 parts of quartz, 12 parts of kaolin, 3 parts of aluminum oxide, 5 parts of aluminum hydroxide, 7 parts of zirconium silicate, 3 parts of dolomite and 20 parts of zirconium opacified frit.
Further, the preparation method of the ground glaze specifically comprises the following steps:
weighing 101.16kg of the ground glaze raw material and the additive according to the formula of the ground glaze, adding 41kg of water, and carrying out wet ball milling, wherein the ball milling fineness is 0.3-0.6% of the sieved residue of a 325-mesh sieve, the glaze slip proportion of the ground glaze is 1.77 +/-0.22, and the glaze slip flow rate of the ground glaze is 30-37 seconds;
wherein, when the ground glaze is sprayed, the temperature of a ceramic tile green brick is 65-70 ℃; the glazing amount of the ground coat is 280 plus or minus 20g/m 2 。
Further, the formula of the overglaze comprises the following components in parts by weight:
CQ5036 glaze 92 parts, kaolin 7 parts and quartz 1 part;
the CQ5036 glaze comprises the following chemical components in percentage by mass: burn off 7.25% and SiO 2 52.94％、Al 2 O 3 14.56％、Fe 2 O 3 0.17％、Ti0 2 0.26％、CaO 9.1％、MgO4.7％、K 2 0 0.93％、Na 2 0 3.8％、ZnO 2.14％、B 2 O 3 0.18% and bao3.97%; the overglaze is also added with 1.42 parts of additives by weight, and the additives by weight comprise: 8 parts of waterborne polyurethane, 46 parts of sodium tripolyphosphate, 4 parts of a preservative and 42 parts of toughening soil. That is, 0.11 part of waterborne polyurethane, 0.65 part of sodium tripolyphosphate, 0.06 part of preservative and 0.6 part of toughening soil are added into 100 parts of the overglaze raw material by weight.
Further, the preparation method of the overglaze specifically comprises the following steps:
weighing 101.42kg of the overglaze raw material and the additive according to the formula of the overglaze, adding 41.5kg of water, and carrying out wet ball milling, wherein the ball milling fineness is 0.3-0.6% of the sieved residue of a 325-mesh sieve, the glaze slip proportion of the overglaze is 1.78 +/-0.02, and the glaze slip flow rate of the overglaze is 30-37 seconds;
when the overglaze is applied, the temperature of the adobe of the ceramic tile is 35 to 45 ℃; the glazing amount of the overglaze is 150 +/-15 g/m 2 。
Further, the brick bottom slurry comprises the following components in parts by weight:
96 parts of magnesium oxide and 4 parts of kaolin;
wherein, the brick bottom slurry is also added with 0.85 part of additive by weight, and the additive by weight comprises: 53 parts of waterborne polyurethane, 41 parts of sodium tripolyphosphate and 6 parts of a preservative. That is, 0.45 part of waterborne polyurethane, 0.35 part of sodium tripolyphosphate and 0.06 part of preservative are added into 100 parts of brick bottom slurry raw materials in parts by weight.
Further, the preparation method of the brick bottom slurry specifically comprises the following steps:
weighing 100.85kg of raw materials and additives according to the formula of the brick bottom slurry, adding 170kg of water, and performing wet ball milling, wherein the ball milling fineness is that the residue after sieving through a 325-mesh sieve is not more than 0.1%.
In a second embodiment of the present invention, there is also provided a ceramic tile, wherein the ceramic tile is produced by the ceramic tile production method of the first embodiment of the present invention.
It can be understood that the ceramic tiles of the present embodiment are obtained by the method for preparing the ceramic tiles of the first embodiment of the present invention, and thus have excellent product quality.
The present invention will be described in further detail with reference to specific examples.
The first embodiment is as follows:
referring to fig. 1, the present embodiment provides a method for preparing a ceramic tile, which includes:
s11, pressing the blank to form a ceramic tile blank, and drying;
s12, wiping the dried ceramic tile blank once and spraying water, and then spraying a ground coat to obtain a ground coat layer;
s13, sequentially carrying out primary infrared drying, ink-jet printing of decorative patterns and secondary infrared drying on the ground glaze layer, and then applying overglaze to obtain an overglaze layer;
s14, applying a brick bottom slurry on the bottom surface of the ceramic tile blank body, which is away from the surface glaze layer, and firing and forming in a kiln to obtain a ceramic tile;
wherein, 0.85 to 1.42 weight parts of additive is added into the ground glaze, the overglaze and the brick bottom slurry; the additive comprises the following components in parts by weight: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil.
Further, the formula of the ground glaze comprises the following components in parts by weight:
10-15 parts of potassium feldspar, 20-30 parts of albite, 7-15 parts of quartz, 8-15 parts of kaolin, 2-3 parts of aluminum oxide, 3-6 parts of aluminum hydroxide, 4-15 parts of zirconium silicate, 0-5 parts of dolomite and 15-25 parts of zirconium opacified frit;
the zirconium opacified frit comprises the following chemical components in percentage by mass: siO 2 2 62.13％、Al 2 0 3 11.51％、CaO 8.07％、MgO 5.17％、K 2 0 5.79％、Na 2 0.06% and ZrO 2 5.27 percent; the ground glaze is also added with 1.16 parts of additive by weight, and the additive comprises the following components by weight: 9 parts of waterborne polyurethane, 34 parts of sodium tripolyphosphate, 5 parts of preservative and 52 parts of toughening soil; that is, in terms of weight fraction, 0.1 part of waterborne polyurethane, 0.4 part of sodium tripolyphosphate, 0.4 part of preservative and 0.6 part of toughening soil are added to 100 parts of ground coat raw materials.
Further, the preparation method of the ground glaze specifically comprises the following steps:
weighing 101.16kg of ground glaze raw materials and additives according to the formula of the ground glaze, adding 41kg of water, and performing wet ball milling, wherein the ball milling fineness is that the ground glaze raw materials and the additives pass through a 325-mesh sieve with the screen residue of 0.3-0.6%, the glaze slip proportion of the ground glaze is 1.77 +/-0.22, and the glaze slip flow rate of the ground glaze is 30-37 seconds;
wherein, when the ground glaze is sprayed, the temperature of a ceramic tile green brick is 65-70 ℃; the glazing amount of the ground coat is 280 plus or minus 20g/m 2 。
Further, the formula of the overglaze comprises the following components in parts by weight:
CQ5036 glaze 92 parts, kaolin 7 parts and quartz 1 part;
the CQ5036 glaze comprises the following chemical components in percentage by mass: burn off 7.25% and SiO 2 52.94％、Al 2 O 3 14.56％、Fe 2 O 3 0.17％、Ti0 2 0.26％、CaO 9.1％、MgO4.7％、K 2 0 0.93％、Na 2 0 3.8％、ZnO 2.14％、B 2 O 3 0.18% and bao3.97%; the overglaze is also added with 1.42 parts by weight of additives, and the additives comprise the following components in parts by weight: 8 parts of waterborne polyurethane, 46 parts of sodium tripolyphosphate, 4 parts of preservative and toughening soil42 parts of the raw materials. That is, 0.11 part of waterborne polyurethane, 0.65 part of sodium tripolyphosphate, 0.06 part of preservative and 0.6 part of toughening soil are added into 100 parts of the overglaze raw material by weight.
Further, the preparation method of the overglaze specifically comprises the following steps:
weighing 101.42kg of the overglaze raw material and the additive according to the formula of the overglaze, adding 41.5kg of water, and carrying out wet ball milling, wherein the ball milling fineness is 0.3-0.6% of the sieved residue of a 325-mesh sieve, the glaze slip proportion of the overglaze is 1.78 +/-0.02, and the glaze slip flow rate of the overglaze is 30-37 seconds;
when the overglaze is applied, the temperature of the adobe of the ceramic tile is 35 to 45 ℃; the glazing amount of the overglaze is 150 +/-15 g/m 2 。
Further, the brick bottom slurry comprises the following components in parts by weight:
96 parts of magnesium oxide and 4 parts of kaolin;
wherein, the brick bottom slurry is also added with 0.85 part of additive by weight, and the additive by weight comprises: 53 parts of waterborne polyurethane, 41 parts of sodium tripolyphosphate and 6 parts of preservative. Namely, 100 parts of brick bottom slurry raw material by weight are added with 0.45 part of waterborne polyurethane, 0.35 part of sodium tripolyphosphate and 0.06 part of preservative.
Further, the preparation method of the brick bottom slurry specifically comprises the following steps:
weighing 100.85kg of raw materials and additives according to the formula of the brick bottom slurry, adding 170kg of water, and performing wet ball milling until the fineness of ball milling is no more than 0.1% after the ball milling is sieved by a 325-mesh sieve.
In this embodiment, the adding of the parts by weight in the ground glaze, the cover glaze and the brick bottom slurry includes: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil, so that a high-strength protective film can be quickly formed on the corresponding surface of the ceramic tile, the ceramic tile is long in duration and resistant to high-temperature decay, the problem of slag falling in the processing process of the ceramic tile is effectively solved, the dust amount of a workshop is effectively reduced, the quality of a glazed surface is improved, and the product quality of the ceramic tile is guaranteed; specifically, by adding the waterborne polyurethane, a high-strength protective film can be effectively formed on the surface corresponding to the ceramic tile; by adding the preservative, the high-temperature corrosion resistance of the protective film can be improved; the strength of the protective film can be effectively improved by adding the toughening soil and the sodium tripolyphosphate; finally, the qualification rate of the product can be improved by 5-10%. The additive is further used in the formula of the brick bottom slurry, so that the brick bottom slurry is not easy to fall off, and dust in a workshop is greatly reduced; the additive is used in the ground glaze, the ground glaze cannot generate powder, and the printing material cannot be bonded with the blank surface during silk screen or rubber roller printing, so that the printing quality is improved, and the product goodness is improved; when the product is printed by ink jet, the printing quality can be improved. The additive is used in the ground coat, the surface coat and the brick ground paste, and the suspension property, the caking property and the like of the glaze slip are not changed greatly after the glaze slip is processed for 7 days.
Example two:
the present embodiment is different from the first embodiment in that: the formula of the ground glaze comprises the following components in parts by weight:
12 parts of potassium feldspar, 25 parts of albite, 11.5 parts of quartz, 11 parts of kaolin, 2.5 parts of aluminum oxide, 4 parts of aluminum hydroxide, 9 parts of zirconium silicate, 5 parts of dolomite and 20 parts of zirconium opacified frit. The additive content in the ground coat is also the same as in example one.
Example three:
the difference between this embodiment and the first embodiment is that:
further, the formula of the ground glaze specifically comprises the following components in parts by weight:
15 parts of potassium feldspar, 20 parts of albite, 15 parts of quartz, 12 parts of kaolin, 3 parts of aluminum oxide, 5 parts of aluminum hydroxide, 7 parts of zirconium silicate, 3 parts of dolomite and 20 parts of zirconium opacified frit.
Example four:
the present embodiment provides a ceramic tile, wherein the ceramic tile is manufactured by the ceramic tile manufacturing method described in the first embodiment of the present invention.
It can be understood that the ceramic tiles of the present embodiment are obtained by the method for preparing the ceramic tiles of the first embodiment of the present invention, and thus have excellent product quality.
In summary, the invention provides a ceramic tile and a preparation method thereof, and the preparation method of the ceramic tile comprises the following steps: pressing the blank to form a ceramic tile blank, and drying; wiping the dried ceramic tile blank once and spraying water, and then spraying a ground coat to obtain a ground coat layer; sequentially carrying out primary infrared drying, ink-jet printing of decorative patterns and secondary infrared drying on the ground glaze layer, and then applying overglaze to obtain an overglaze layer; applying brick bottom slurry on the bottom surface of the ceramic tile blank body, which is away from the surface glaze layer, and firing and molding in a kiln to obtain a ceramic tile; wherein 0.85 to 1.42 weight parts of additive is added into the ground glaze, the overglaze and the brick bottom slurry; the additive comprises the following components in parts by weight: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil. It can be understood that the base glaze, the overglaze and the brick bottom slurry are added with the following components in parts by weight: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil, so that a high-strength protective film can be quickly formed on the corresponding surface of the ceramic tile, the ceramic tile is long in duration and resistant to high-temperature decay, the problem of slag falling in the processing process of the ceramic tile is effectively avoided, the dust amount of a workshop is effectively reduced, the quality of a glazed surface is improved, and the product quality of the ceramic tile is guaranteed. The additive is further used in the formula of the brick bottom slurry, so that the brick bottom slurry is not easy to fall off, and dust in a workshop is greatly reduced; the additive is used in the ground glaze, the ground glaze cannot generate powder, and the printing material cannot be bonded with the blank surface during silk screen or rubber roller printing, so that the printing quality is improved, and the product goodness is improved; when the product is printed by ink jet, the printing quality can be improved. The additive is used in the ground glaze, the overglaze and the brick ground paste, and the suspension property, the caking property and the like of the glaze slip are not changed greatly after the glaze slip is processed for 7 days.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.

Claims (10)

1. A method of making a ceramic tile, comprising:
pressing the blank to form a ceramic tile blank, and drying;
wiping the dried ceramic tile blank body once and spraying water, and then spraying ground coat to obtain a ground coat layer;
sequentially carrying out primary infrared drying, ink-jet printing of decorative patterns and secondary infrared drying on the ground glaze layer, and then applying overglaze to obtain an overglaze layer;
applying brick bottom slurry on the bottom surface of the ceramic tile blank body, which is away from the surface glaze layer, and firing and molding in a kiln to obtain a ceramic tile;
wherein, 0.85 to 1.42 weight parts of additive is added into the ground glaze, the surface glaze and the brick bottom slurry; the additive comprises the following components in parts by weight: 8-53 parts of waterborne polyurethane, 34-46 parts of sodium tripolyphosphate, 4-6 parts of preservative and 0-52 parts of toughening soil.
2. The preparation method of the ceramic tile as claimed in claim 1, wherein the formula of the ground glaze comprises the following components in parts by weight:
10-15 parts of potassium feldspar, 20-30 parts of albite, 7-15 parts of quartz, 8-15 parts of kaolin, 2-3 parts of aluminum oxide, 3-6 parts of aluminum hydroxide, 4-15 parts of zirconium silicate, 0-5 parts of dolomite and 15-25 parts of zirconium opacified frit;
the zirconium opacified frit comprises the following chemical components in percentage by mass: siO 2 2 62.13％、Al 2 0 3 11.51％、CaO 8.07％、MgO 5.17％、K 2 0 5.79％、Na 2 0.06% and ZrO 2 5.27 percent; the ground glaze is also added with 1.16 parts of additive by weight, and the additive comprises the following components by weight: 9 parts of waterborne polyurethane, 34 parts of sodium tripolyphosphate, 5 parts of a preservative and 52 parts of toughening soil.
3. The preparation method of the ceramic tile as claimed in claim 2, wherein the formula of the ground glaze specifically comprises the following components in parts by weight:
12 parts of potassium feldspar, 25 parts of albite, 11.5 parts of quartz, 11 parts of kaolin, 2.5 parts of aluminum oxide, 4 parts of aluminum hydroxide, 9 parts of zirconium silicate, 5 parts of dolomite and 20 parts of zirconium opacified frit.
4. The preparation method of the ceramic tile as claimed in claim 2, wherein the formula of the ground glaze specifically comprises the following components in parts by weight:
15 parts of potassium feldspar, 20 parts of albite, 15 parts of quartz, 12 parts of kaolin, 3 parts of aluminum oxide, 5 parts of aluminum hydroxide, 7 parts of zirconium silicate, 3 parts of dolomite and 20 parts of zirconium opacified frit.
5. The process for the preparation of ceramic tiles according to any one of claims 2 to 4, characterized in that the process for the preparation of the ground glaze comprises in particular:
weighing 101.16kg of the ground glaze raw material and the additive according to the formula of the ground glaze, adding 41kg of water, and carrying out wet ball milling, wherein the ball milling fineness is 0.3-0.6% of the sieved residue of a 325-mesh sieve, the glaze slip proportion of the ground glaze is 1.77 +/-0.22, and the glaze slip flow rate of the ground glaze is 30-37 seconds;
wherein, when the ground glaze is sprayed, the temperature of a ceramic tile green brick is 65-70 ℃; the glazing amount of the ground coat is 280 plus or minus 20g/m 2 。
6. The method for preparing ceramic tiles according to claim 1, wherein the formula of the overglaze comprises the following components in parts by weight:
CQ5036 glaze 92 parts, kaolin 7 parts and quartz 1 part;
the CQ5036 glaze comprises the following chemical components in percentage by mass: burn off 7.25% and SiO 2 52.94％、Al 2 O 3 14.56％、Fe 2 O 3 0.17％、Ti0 2 0.26％、CaO 9.1％、MgO4.7％、K 2 0 0.93％、Na 2 0 3.8％、ZnO 2.14％、B 2 O 3 0.18% and bao3.97%; the overglaze is also added with 1.42 parts by weight of additiveCounting, including: 8 parts of waterborne polyurethane, 46 parts of sodium tripolyphosphate, 4 parts of a preservative and 42 parts of toughening soil.
7. The process for the preparation of ceramic tiles according to claim 6, characterized in that it comprises in particular:
weighing 101.42kg of the overglaze raw material and the additive according to the formula of the overglaze, adding 41.5kg of water, and carrying out wet ball milling, wherein the ball milling fineness is 0.3-0.6% of the sieved residue of a 325-mesh sieve, the glaze slip proportion of the overglaze is 1.78 +/-0.02, and the glaze slip flow rate of the overglaze is 30-37 seconds;
when the overglaze is applied, the temperature of the adobe of the ceramic tile is 35 to 45 ℃; the glazing amount of the overglaze is 150 +/-15 g/m 2 。
8. The preparation method of the ceramic tile as claimed in claim 1, wherein the formulation of the tile primer slurry comprises the following components in parts by weight:
96 parts of magnesium oxide and 4 parts of kaolin;
wherein, the brick bottom slurry is also added with 0.85 part of additive by weight, and the additive by weight comprises: 53 parts of waterborne polyurethane, 41 parts of sodium tripolyphosphate and 6 parts of preservative.
9. The method for preparing ceramic tiles according to claim 8, characterized in that the method for preparing the tile bottom slurry specifically comprises:
weighing 100.85kg of raw materials and additives according to the formula of the brick bottom slurry, adding 170kg of water, and performing wet ball milling, wherein the ball milling fineness is that the residue after sieving through a 325-mesh sieve is not more than 0.1%.
10. Ceramic tile, characterized in that it is obtained by the ceramic tile production process according to any one of claims 1-9.
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