CN113233905A - Preparation method of ceramic tile and ceramic tile - Google Patents

Preparation method of ceramic tile and ceramic tile Download PDF

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Publication number
CN113233905A
CN113233905A CN202110567512.6A CN202110567512A CN113233905A CN 113233905 A CN113233905 A CN 113233905A CN 202110567512 A CN202110567512 A CN 202110567512A CN 113233905 A CN113233905 A CN 113233905A
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China
Prior art keywords
ceramic tile
ceramic
aluminum salt
salt solution
tile
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CN202110567512.6A
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Chinese (zh)
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CN113233905B (en
Inventor
邓兴智
沈荣伟
肖惠银
王永强
魏宇婷
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Chongqing Weimei Ceramics Co ltd
Dongguan City Wonderful Ceramics Industrial Park Co Ltd
Jiangxi Hemei Ceramics Co Ltd
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Chongqing Weimei Ceramics Co ltd
Dongguan City Wonderful Ceramics Industrial Park Co Ltd
Jiangxi Hemei Ceramics Co Ltd
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Publication of CN113233905A publication Critical patent/CN113233905A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52Multiple 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • C04B41/89Coating or impregnation for obtaining at least two superposed coatings having different compositions

Abstract

The invention provides a preparation method of a ceramic tile and the ceramic tile, wherein the preparation method of the ceramic tile comprises the following steps: drying the ceramic tile green body, and spraying water on the surface of the dried ceramic tile green body; spraying a ground coat on the surface of the ceramic green body after water spraying to form a ground coat layer; printing a preset pattern on the ground glaze layer to form a pattern layer; spraying transparent glaze on the pattern layer to form a protective layer; and printing an aluminum salt solution and brick bottom slurry on one side of the ceramic tile blank body, which is far away from the protective layer, and firing the ceramic tile blank body in a kiln to obtain the ceramic tile. According to the invention, the aluminum salt solution is printed on the back surface of the ceramic tile blank, and the back stripe wattle of the ceramic tile absorbs aluminum salt, so that the content of alumina in the chemical components of the ceramic tile is increased, the water absorption rate after firing is increased, and the capability of absorbing cement mortar is enhanced, therefore, the adsorption force between the ceramic tile and the wall surface is increased when the ceramic tile is paved on the wall, and the ceramic tile is not easy to fall off; the tile glue is not needed, and the problem of infirm paving is solved.

Description

Preparation method of ceramic tile and ceramic tile
Technical Field
The invention relates to the technical field of ceramic tiles, in particular to a preparation method of a ceramic tile and the ceramic tile.
Background
The porcelain tiles and stoneware tiles of building ceramics are beginning to be used for wall decoration, in particular to the wall surface paving and pasting of porcelain and stoneware full-glazed ceramic tiles, which become the common mode of interior decoration. However, the ceramic tile has a water absorption rate of less than 0.5%, the stoneware tile has a water absorption rate of 0.5-3.0%, the water absorption rate is low, and the bonding strength of cement to the stoneware tile is not sufficient, so that the ceramic adhesive for paving is required to be high when the stoneware tile is mounted on a wall.
The high-grade decoration is often paved and pasted by using special ceramic tile glue, and the paving and pasting process is complicated. And low water absorption products paved by using cement mortar and the like are easy to be paved and even fall off. That is, the existing ceramic tiles are very troublesome to be paved and pasted by using tile glue due to low water absorption, and are infirm to be paved and pasted by using cement mortar.
Therefore, the prior art has defects and needs to be improved and developed.
Disclosure of Invention
The invention aims to solve the technical problems that the ceramic tile and the preparation method thereof aim to solve the problems that the ceramic tile in the prior art is very troublesome to be paved and pasted by using tile glue and infirm to be paved and pasted by using cement mortar due to low water absorption rate.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a method of making a ceramic tile, comprising:
drying the ceramic tile green body, and spraying water on the surface of the dried ceramic tile green body;
spraying a ground coat on the surface of the ceramic green body after water spraying to form a ground coat layer;
printing a preset pattern on the ground glaze layer to form a pattern layer;
spraying transparent glaze on the pattern layer to form a protective layer;
and printing an aluminum salt solution and brick bottom slurry on one side of the ceramic tile blank body, which is far away from the protective layer, and firing the ceramic tile blank body in a kiln to obtain the ceramic tile.
In a further implementation manner, the drying treatment of the ceramic tile green body and the spraying of water to the surface of the ceramic tile green body after drying further comprise:
pressing and molding the ceramic raw material by a press to obtain a ceramic tile blank;
wherein, the back surface of the ceramic tile green body is provided with back-grain chaste trees.
In a further implementation manner, the printing a preset pattern on the ground glaze layer to form a pattern layer includes:
and printing a preset pattern on the ground coat layer by an ink-jet printing technology to form a pattern layer.
In a further implementation mode, the side of the ceramic tile body, which faces away from the protective layer, is printed with an aluminum salt solution and a tile bottom slurry, and the ceramic tile body is fired in a kiln to obtain the ceramic tile, wherein the ceramic tile comprises:
printing an aluminum salt solution on the back surface of the ceramic tile blank by a slurry machine;
after the aluminum salt solution is printed, printing a brick bottom slurry on the back surface of the ceramic brick blank through a slurry machine, wherein the back stripe wattle adsorbs aluminum salt;
and putting the ceramic tile into a kiln to be fired to obtain the ceramic tile.
In further implementations, the aluminum salt solution includes, in parts by weight: 15 parts of aluminum salt, 84.8 parts of water and 0.2 part of sodium carboxymethyl cellulose.
In a further implementation mode, the side of the ceramic tile body, which faces away from the protective layer, is printed with an aluminum salt solution and a tile bottom slurry, and the ceramic tile body is fired in a kiln to obtain the ceramic tile, wherein the ceramic tile comprises:
preparing a mixture of an aluminum salt solution and brick bottom slurry in advance;
printing a mixture of an aluminum salt solution and brick bottom slurry on the back surface of the ceramic tile blank by a bottom slurry machine, wherein aluminum salt is adsorbed by the vitex negundo linn;
and putting the ceramic tile into a kiln to be fired to obtain the ceramic tile.
In a further implementation, the mixture of the aluminum salt solution and the brick bottom slurry comprises, in parts by weight: 5 parts of aluminum salt solution and 95 parts of brick bottom slurry.
In further implementations, the aluminum salt solution is an aluminum nitrate solution, an aluminum chloride solution, a polyaluminum chloride solution, or an aluminum sulfate solution; the brick bottom slurry is magnesium oxide slurry.
In further implementations, the content of the aluminum salt in the aluminum salt solution is directly proportional to the water absorption of the ceramic tile.
The invention also provides a ceramic tile, wherein the ceramic tile is prepared by the preparation method of the ceramic tile.
The invention provides a preparation method of a ceramic tile and the ceramic tile, wherein the preparation method of the ceramic tile comprises the following steps: drying the ceramic tile green body, and spraying water on the surface of the dried ceramic tile green body; spraying a ground coat on the surface of the ceramic green body after water spraying to form a ground coat layer; printing a preset pattern on the ground glaze layer to form a pattern layer; spraying transparent glaze on the pattern layer to form a protective layer; and printing an aluminum salt solution and brick bottom slurry on one side of the ceramic tile blank body, which is far away from the protective layer, and firing the ceramic tile blank body in a kiln to obtain the ceramic tile. According to the invention, the aluminum salt solution is printed on the back surface of the ceramic tile blank, and the back stripe wattle of the ceramic tile absorbs aluminum salt, so that the content of alumina in the chemical components of the ceramic tile is increased, the water absorption rate after firing is increased, and the capability of absorbing cement mortar is enhanced, therefore, the adsorption force between the ceramic tile and the wall surface is increased when the ceramic tile is paved on the wall, and the ceramic tile is not easy to fall off; the tile glue is not needed, and the problem of infirm paving is solved.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of the method of making ceramic tiles of the present invention.
FIG. 2 is a flow chart showing the first embodiment of step S500 in the preferred embodiment of the method for producing ceramic tiles of the present invention.
FIG. 3 is a flow chart showing the second embodiment of step S500 in the preferred embodiment of the method for producing ceramic tiles of the present invention.
FIG. 4 is a flow chart showing the details of the first embodiment of the preferred embodiment of the method of making ceramic tiles of the present invention.
FIG. 5 is a flow chart showing the second embodiment of the method of making ceramic tiles of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The ceramic tile with high water absorption rate can not be paved and pasted insecurely when being paved and pasted on the upper wall. The back grain of the ceramic tile can improve the adsorption force to a certain extent, but because the back grain is also porcelain or stoneware, the water absorption rate is low, cement mortar is not firmly adhered, the ceramic tile is easy to fall off, a ceramic adhesive is required, the requirement on the adhesive is high, and the paving process is complex.
The invention slightly increases the water absorption of the back grain of the ceramic tile, but the water absorption of the ceramic tile is not changed, so that the adsorption force of the back grain chases is increased, and the adsorption force of the ceramic tile and stoneware tile wall-laying paving can be greatly improved. No matter products such as archaizing tiles, full-polished glaze and polished tiles, if the back of the tile is made of porcelain or stoneware, the back of the tile can be back-grained, and before the tile enters a kiln, a bottom sizing machine is used for sizing in the transmission process of a semi-finished product on a glaze line, so that aluminum salt permeates into back-grained chases. When the brick is fired at high temperature, the alumina content in the back grain vitex negundo is higher than that of a green brick, and the water absorption rate of the back grain vitex negundo is slightly larger than that of the green brick, so that the function of enhancing adsorption force when the brick is paved on a wall is achieved.
Referring to FIG. 1, FIG. 1 is a flow chart of a method of making ceramic tiles of the present invention. As shown in fig. 1, the preparation method of the ceramic tile according to the embodiment of the present invention comprises the following steps:
and S100, drying the ceramic tile blank, and spraying water on the surface of the dried ceramic tile blank.
In one implementation, the step S100 further includes, before the step S: and pressing and molding the ceramic raw material by a press to obtain a ceramic tile green body. Wherein, the back surface of the ceramic tile green body is provided with back-grain chaste trees.
Specifically, after the ceramic tile is pressed and formed by a press, the green body is dried in a drying kiln to evaporate part of moisture due to certain moisture in the green body. When the ground coat is distributed on the surface of the ceramic, water is sprayed on the surface of the ceramic tile blank body in order to enable the ground coat to be better attached to the surface of the ceramic tile blank body.
The step S100 is followed by: and S200, spraying a ground coat on the surface of the ceramic green body after water spraying to form a ground coat layer.
Specifically, a layer of ground glaze is sprayed on the surface of the ceramic tile blank after water spraying, the surface of the ceramic tile blank is the front surface of the ceramic tile blank, and the layer of ground glaze is sprayed on the surface of the ceramic tile blank, so that the chemical stability of the ceramic tile blank can be improved, the color of the ceramic tile blank can be covered, and the ink-jet printing is more vivid.
The step S200 is followed by: and step S300, printing a preset pattern on the ground coat layer to form a pattern layer.
In an implementation manner, the step S300 specifically includes: and printing a preset pattern on the ground coat layer by an ink-jet printing technology to form a pattern layer.
Specifically, patterns (namely preset patterns) designed by stone materials and the like are printed on the surface of the ceramic tile blank body after the ground glaze is sprayed on the surface of the ceramic tile blank body through an ink-jet printing technology.
The step S300 is followed by: and S400, spraying transparent glaze on the pattern layer to form a protective layer.
In particular, the transparent glaze can form a protective layer on the surface of the pattern, so that various properties are given to the product.
The step S400 is followed by: and S500, printing an aluminum salt solution and a brick bottom slurry on the side, away from the protective layer, of the ceramic brick body, and firing the ceramic brick body in a kiln to obtain the ceramic brick.
In one implementation, the aluminum salt solution and the brick bottom slurry are printed step by step, and in particular, referring to fig. 2, the step S500 includes:
step S510a, printing an aluminum salt solution on the back of the ceramic tile blank through a slurry machine;
step S520a, after the aluminum salt solution is printed, printing a brick bottom slurry on the back surface of the ceramic tile blank through a slurry machine, wherein the back stripe wattle adsorbs aluminum salt;
and step S530a, entering a kiln to be fired to obtain the ceramic tile.
Specifically, before the ceramic tile blank enters the kiln, an aluminum salt solution is printed on the bottom (namely the back side, the side to be paved on a wall) of the ceramic tile blank through a bottom sizing machine, so that the water absorption of the back side is reduced while the water absorption of the surface of the ceramic tile is not changed. That is, when the water-soluble aluminum salt is dissolved in water and the brick bottom slurry is coated, the aluminum salt is adsorbed on the back grain wattles of the ceramic bricks, so that the water absorption of the back grain parts of the ceramic bricks can be increased. After the aluminum salt solution is printed, the brick bottom slurry is printed, so that the bottom of the ceramic brick blank is prevented from being bonded with the roller in the sintering process.
In further implementations, the aluminum salt solution includes, in parts by weight: 15 parts of aluminum salt, 84.8 parts of water and 0.2 part of sodium carboxymethyl cellulose. That is, the aluminum salt used in the present invention is a water-soluble aluminum salt such as aluminum nitrate, aluminum chloride, polyaluminum chloride, aluminum sulfate, or the like. When the aluminum salt solution is used independently, the aluminum salt is dissolved in water, and a little CMC (sodium carboxymethyl cellulose) is added into the water, so that the aluminum salt solution is thickened and is convenient for printing by a paste machine.
In another implementation manner, because the specific weight of the brick bottom slurry is low and the water content is high, a water-soluble aluminum salt, such as aluminum nitrate, aluminum chloride, polyaluminum chloride, aluminum sulfate, etc., is dissolved in the brick bottom slurry, that is, a brick bottom slurry a, which is a mixture of an aluminum salt solution and the brick bottom slurry, may be prepared in advance, and specifically, referring to fig. 3, the step S500 includes:
step S510b, preparing a mixture of an aluminum salt solution and brick bottom slurry in advance;
step S520b, printing a mixture of aluminum salt solution and brick bottom slurry on the back surface of the ceramic tile blank through a slurry machine, wherein the back stripe absorbs aluminum salt;
and step S530b, entering a kiln to be fired to obtain the ceramic tile.
Namely, before the ceramic tile blank enters the kiln, the bottom slurry A of the ceramic tile blank is printed at the bottom of the ceramic tile blank through a slurry machine, the bottom slurry A of the ceramic tile blank is a mixture of aluminum salt solution and magnesium oxide slurry, the water absorption of the back surface is reduced while the water absorption of the surface of the ceramic tile is not changed, and the roller stick is prevented from being bonded.
In one implementation, a mixture of an aluminum salt solution and a brick primer slurry, in parts by weight, comprises: 5 parts of aluminum salt solution and 95 parts of brick bottom slurry. Wherein the mass percentage concentration of the aluminum salt solution is 3-15%. For example, a polyaluminum chloride solution is prepared by dissolving 30g of polyaluminum chloride in 100g of water at a weight ratio of the polyaluminum chloride solution to the brick bottom slurry of 5:95, and the operation is simple.
Further, the aluminum salt solution is an aluminum nitrate solution, an aluminum chloride solution, a polyaluminum chloride solution or an aluminum sulfate solution.
The composition of the brick bottom slurry is different according to different glaze surfaces of products. For example, glazed tiles which are not polished, such as ceramic tiles, stoneware glazed tiles, porcelain glazed tiles and the like, use tile primer slurry which mainly contains alumina components; the brick bottom slurry mainly contains magnesium oxide for the full-glazed brick, polished brick and the like needing polishing. The invention produces the full-glazed brick, so the magnesia slurry is used as the bottom slurry of the brick.
In one implementation, the content of aluminum salt in the aluminum salt solution is proportional to the water absorption of the ceramic tile. Specifically, if the content of the soluble aluminum salt in the added water is N%, the water absorption of the ceramic tile back grain is increased by increasing the N value, and the water absorption of the ceramic tile back grain is decreased by decreasing the N value.
In addition, the back grain wattle of the ceramic tile absorbs aluminum salt, so that the content of alumina in the chemical components of the back grain wattle is increased, the high temperature resistance is enhanced, the high temperature load capacity is improved, and the roll grain defect of the ceramic tile is improved; in addition, because the back stripe wattle of the ceramic tile adsorbs aluminum salt, the content of alumina in the chemical components of the back stripe wattle is increased, the water absorption rate after firing is increased, the capability of adsorbing cement mortar during paving is enhanced, and the adsorption force between the ceramic tile and the wall surface is increased and the ceramic tile is not easy to fall off when the ceramic tile is paved on the wall.
The following examples are given for illustrative purposes.
The first embodiment is as follows:
referring to fig. 4, the method for preparing the ceramic tile specifically includes:
step A1, pressing and molding the ceramic raw material by a press to obtain a ceramic tile green body, wherein the back of the ceramic tile green body is provided with back-striped chaste tree twigs;
step A2, drying the ceramic tile blank, and spraying water on the surface of the dried ceramic tile blank;
a3, spraying a ground coat on the surface of the ceramic green body after water spraying to form a ground coat layer;
step A4, printing a preset pattern on the ground coat layer to form a pattern layer;
step A5, spraying transparent glaze on the pattern layer to form a protective layer;
step A6, printing an aluminum salt solution on the back of the ceramic tile blank by a slurry machine;
step A7, after the aluminum salt solution is printed, printing magnesium oxide slurry on the back surface of the ceramic tile blank through a slurry backing machine, wherein aluminum salt is adsorbed by the vitex negundo;
and step A8, putting the ceramic tiles into a kiln to be fired to obtain the ceramic tiles.
Example two:
referring to fig. 5, the method for preparing the ceramic tile specifically includes:
step B1, pressing and molding the ceramic raw material by a press to obtain a ceramic tile green body, wherein the back of the ceramic tile green body is provided with back-striped chaste tree twigs;
step B2, drying the ceramic tile green body, and spraying water on the surface of the dried ceramic tile green body;
b3, spraying a ground coat on the surface of the ceramic green brick body after water spraying to form a ground coat layer;
step B4, printing a preset pattern on the ground coat layer to form a pattern layer;
b5, spraying transparent glaze on the pattern layer to form a protective layer;
step B6, printing a mixture of a pre-prepared aluminum salt solution and magnesium oxide slurry on the back surface of the ceramic tile blank by a slurry machine, wherein the vitex negundo absorbs aluminum salt;
and B7, putting the ceramic tile into a kiln to be fired to obtain the ceramic tile.
The invention also provides a ceramic tile, which is prepared by the preparation method of the ceramic tile.
In summary, the invention discloses a ceramic tile and a preparation method thereof, wherein the preparation method of the ceramic tile comprises the following steps: drying the ceramic tile green body, and spraying water on the surface of the dried ceramic tile green body; spraying a ground coat on the surface of the ceramic green body after water spraying to form a ground coat layer; printing a preset pattern on the ground glaze layer to form a pattern layer; spraying transparent glaze on the pattern layer to form a protective layer; and printing an aluminum salt solution and brick bottom slurry on one side of the ceramic tile blank body, which is far away from the protective layer, and firing the ceramic tile blank body in a kiln to obtain the ceramic tile. According to the invention, the aluminum salt solution is printed on the back surface of the ceramic tile blank, and the back stripe wattle of the ceramic tile absorbs aluminum salt, so that the content of alumina in the chemical components of the ceramic tile is increased, the water absorption rate after firing is increased, and the capability of absorbing cement mortar is enhanced, therefore, the adsorption force between the ceramic tile and the wall surface is increased when the ceramic tile is paved on the wall, and the ceramic tile is not easy to fall off; the tile glue is not needed, and the problem of infirm paving is solved.
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:
drying the ceramic tile green body, and spraying water on the surface of the dried ceramic tile green body;
spraying a ground coat on the surface of the ceramic green body after water spraying to form a ground coat layer;
printing a preset pattern on the ground glaze layer to form a pattern layer;
spraying transparent glaze on the pattern layer to form a protective layer;
and printing an aluminum salt solution and brick bottom slurry on one side of the ceramic tile blank body, which is far away from the protective layer, and firing the ceramic tile blank body in a kiln to obtain the ceramic tile.
2. The method for preparing ceramic tiles according to claim 1, wherein the method comprises the steps of drying the ceramic tile blank and spraying water on the surface of the ceramic tile blank after drying, and further comprises the following steps:
pressing and molding the ceramic raw material by a press to obtain a ceramic tile blank;
wherein, the back surface of the ceramic tile green body is provided with back-grain chaste trees.
3. The method for preparing ceramic tiles according to claim 1, wherein the printing of a preset pattern on the ground glaze layer to form a pattern layer comprises:
and printing a preset pattern on the ground coat layer by an ink-jet printing technology to form a pattern layer.
4. The method for preparing ceramic tiles according to claim 2, wherein the ceramic tile body is printed with aluminum salt solution and tile bottom slurry on the side facing away from the protective layer, and the ceramic tile body is fired in a kiln to obtain the ceramic tiles, which comprises:
printing an aluminum salt solution on the back surface of the ceramic tile blank by a slurry machine;
after the aluminum salt solution is printed, printing a brick bottom slurry on the back surface of the ceramic brick blank through a slurry machine, wherein the back stripe wattle adsorbs aluminum salt;
and putting the ceramic tile into a kiln to be fired to obtain the ceramic tile.
5. The method for making ceramic tiles according to claim 4, wherein the aluminum salt solution comprises, in parts by weight: 15 parts of aluminum salt, 84.8 parts of water and 0.2 part of sodium carboxymethyl cellulose.
6. The method for preparing ceramic tiles according to claim 2, wherein the ceramic tile body is printed with aluminum salt solution and tile bottom slurry on the side facing away from the protective layer, and the ceramic tile body is fired in a kiln to obtain the ceramic tiles, which comprises:
preparing a mixture of an aluminum salt solution and brick bottom slurry in advance;
printing a mixture of an aluminum salt solution and brick bottom slurry on the back surface of the ceramic tile blank by a bottom slurry machine, wherein aluminum salt is adsorbed by the vitex negundo linn;
and putting the ceramic tile into a kiln to be fired to obtain the ceramic tile.
7. The method for preparing ceramic tiles according to claim 6, wherein the mixture of the aluminum salt solution and the tile bottom slurry comprises, in parts by weight: 5 parts of aluminum salt solution and 95 parts of brick bottom slurry.
8. The method for making ceramic tiles according to claim 1, wherein the aluminum salt solution is an aluminum nitrate solution, an aluminum chloride solution, a polyaluminum chloride solution or an aluminum sulfate solution; the brick bottom slurry is magnesium oxide slurry.
9. The method for preparing ceramic tiles according to claim 1, wherein the content of aluminum salt in the aluminum salt solution is proportional to the water absorption of the ceramic tiles.
10. Ceramic tile, characterized in that it is produced by a process for the preparation of ceramic tiles according to any one of claims 1 to 9.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114213134A (en) * 2021-12-23 2022-03-22 新明珠集团股份有限公司 Brick bottom slurry and preparation method and application thereof

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