CN115872621A - Stalactite ceramic tile and preparation method thereof - Google Patents
Stalactite ceramic tile and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a stalactite ceramic tile and a preparation method thereof, comprising opaque pearl-colored dry particles and medium-temperature dry particles; the opacified pearl-color dry particles are prepared from the following components in percentage by weight: 16-16.5% of aluminum oxide, 48.5-49.5% of silicon dioxide, 5.1-5.5% of calcium oxide, 1.2-1.7% of magnesium oxide, 3.5-4% of potassium oxide, 3.6-4% of sodium oxide, 9-9.5% of zirconium dioxide, 6.5-7% of zinc oxide, 4.9-5.2% of strontium oxide and the balance of other components; the weight percentage of the opacified pearl color dry particles is 75-85%; the weight percentage of the medium-temperature dry particles is 15-25%. This application has the effect that improves the natural crystallization feel of stalactite ceramic tile.
Description
Technical Field
The invention relates to the field of ceramics, in particular to a stalactite ceramic tile and a preparation method thereof.
Background
The ceramic industry is flourishing to develop, along with consumer's growth and consumer's differentiation, consumption custom and aesthetic habit's change, the kind and the design in ceramic tile market are also more abundant, and the consumer prefers nature antique product gradually, and the antique ceramic tile in the market adopts the dry grain of matte to be the main basically, and the ceramic tile surface of making through the dry grain of matte has good granular sensation, and the sense of touch is more moist simultaneously, wide application and house fitment.
However, the ceramic tile prepared by adopting the matte dry particles has granular feel and good touch, but the texture of the ceramic tile is single, the layering sense is lacked, the natural crystallization texture and the opaque pearl color texture like the surface of stalactite cannot be formed on the surface of the ceramic tile, and the personalized decoration requirement of consumers is difficult to meet.
Disclosure of Invention
In order to make the ceramic tile have a crystal texture similar to stalactite, the application provides a stalactite ceramic tile and a preparation method thereof.
In a first aspect, the present application provides a stalactite dry granule, which adopts the following technical scheme:
a stalactite dry granule comprises opacified pearl dry granule and medium temperature dry granule;
the opacified pearl-color dry particles are prepared from the following components in percentage by weight: 16-16.5% of aluminum oxide, 48.5-49.5% of silicon dioxide, 5.1-5.5% of calcium oxide, 1.2-1.7% of magnesium oxide, 3.5-4% of potassium oxide, 3.6-4% of sodium oxide, 9-9.5% of zirconium dioxide, 6.5-7% of zinc oxide, 4.9-5.2% of strontium oxide and the balance of other components;
the medium-temperature dry granules are prepared from the following components in percentage by weight: 18-18.5% of aluminum oxide, 53.6-54% of silicon dioxide, 3-3.3% of calcium oxide, 0.1-0.2% of magnesium oxide, 2.8-3% of potassium oxide, 4.3-4.5% of sodium oxide, 9.9-10.5% of barium oxide, 3.6-4% of zinc oxide, 3.4-4% of strontium oxide, 0.1-0.3% of fluorine and the balance of other components;
the weight percentage of the opacified pearl color dry particles is 75-85%; the weight percentage of the medium-temperature dry particles is 15-25%.
By adopting the technical scheme, the stalactite dry particles are prepared by mixing the opaque pearl dry particles and the medium-temperature dry particles, and the stalactite dry particles can play a role of wear resistance and skid resistance when being applied to the ceramic tile; the individualized decoration requirement of consumers can be met; if the proportion of the opaque pearl-colored dry particles to the middle Wen Ganli is out of the range of the application, the stalactite dry particles formed after mixing are easy to agglomerate, so that the texture and the transparency of the stalactite ceramic tile are influenced; the raw materials and the proportion of the stalactite dry particles and the medium-temperature dry particles are different, and the wear resistance of the stalactite ceramic tile can be effectively improved by mixing the two dry particles.
Preferably, the weight ratio of magnesium oxide, zirconium dioxide and zinc oxide in the opaque nacreous dry particles is (0.19-0.22): (1.39-1.41): 1.
by adopting the technical scheme, when the magnesium oxide, the zirconium dioxide and the zinc oxide in the opacified pearl-color dry particles are in a specific weight ratio, the zirconium dioxide can increase the opaqueness of the opacified pearl-color dry particles, and the zinc oxide can play a role in fluxing, so that various raw materials are uniformly dispersed, agglomeration and precipitation of the opacified pearl-color dry particles are effectively avoided, the transparency and the texture of the stalactite ceramic tile are improved, and the wear resistance of the stalactite ceramic tile is further improved.
Preferably, the weight ratio of barium oxide, zinc oxide and strontium oxide in the medium-temperature dry particles is (2.89-2.94): (1.05-1.10): 1.
by adopting the technical scheme, the weight ratio of barium oxide, zinc oxide and strontium oxide in the medium-temperature dry particle raw material is controlled, and the transparency and texture of the stalactite ceramic tile are improved
In a second aspect, the preparation method of the stalactite dry granules adopts the following technical scheme:
a preparation method of stalactite dry granules comprises the following steps:
uniformly mixing aluminum oxide, silicon dioxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, zirconium dioxide, zinc oxide, strontium oxide and the balance of other components according to a ratio, melting at 1180-1220 ℃, cooling, crushing and sieving to obtain the opaque pearl-colored dry particles;
uniformly mixing aluminum oxide, silicon dioxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, barium oxide, zinc oxide, strontium oxide, fluorine and the balance of other components according to a ratio, melting at 1180-1220 ℃, cooling, crushing and sieving to obtain medium-temperature dry granules;
and uniformly mixing the opacified pearl color dry particles with the medium-temperature dry particles to obtain the stalactite dry particles.
By adopting the technical scheme, the opacified pearl dry particles and the medium-temperature dry particles are calcined at a high temperature at a specific temperature by adopting the method, and the two calcined dry particles are mixed to form pearl-shaped dry particles, so that the surface of the stalactite dry particles has granular feel and good texture and luster, and the wear resistance of the stalactite ceramic tile is further improved.
Preferably, the particle size range of the opacified pearl color dry particles is 30-250 meshes; the particle size range of the medium-temperature dry particles is 30-250 meshes.
By adopting the technical scheme, the particle size ranges of the opacified pearl color dry particles and the middle Wen Ganli are controlled, so that the opacified pearl color dry particles and the middle Wen Ganli are more uniform when mixed, the stalactite dry particles can be tightly attached to the surface of a ceramic tile when being applied to the surface of the ceramic tile, and are not easy to discharge along with smoke when being fired, and the texture gloss of the stalactite dry particles is improved; if the particle size of the stalactite dry particles is too large, the stalactite dry particles are easy to precipitate, and if the particle size of the stalactite dry particles is too small, the stalactite dry particles can be completely wrapped by the surface glaze after the stalactite ceramic tile is fired, so that the function of the stalactite dry particles is not easy to be exerted.
In a third aspect, the present application provides a stalactite tile, which adopts the following technical scheme:
a stalactite ceramic tile comprises a blank body, a surface glaze layer, a pattern layer, a bonding layer, a stalactite dry particle layer and a protective layer, wherein the stalactite dry particle layer is made of stalactite dry particles.
By adopting the technical scheme, the stalactite dry particle layer and the surface glaze layer are separated, and the bonding layer and the protective layer fill the gaps between the stalactite dry particle layer, so that the surface texture of the stalactite ceramic tile is better.
Preferably, the overglaze layer is made of glaze slip, the glaze slip comprises overglaze, and the overglaze comprises the following components in percentage by weight: 12-14% of potassium feldspar, 12-14% of albite, 11-13% of calcined talc, 1-3% of calcined kaolin, 2-4% of calcined alumina, 2-4% of calcined zinc oxide, 8-12% of barium carbonate, 10-16% of nepheline, 10-14% of water-washed kaolin and 18-22% of quartz.
Preferably, the preparation method of the glaze slip comprises the following steps:
uniformly mixing the raw materials of the overglaze according to the proportion, adding water, and adjusting the specific gravity of the overglaze and the water to be 1.85-1.89g/cm < 3 >, thereby preparing the glaze slip.
By adopting the technical scheme, the glaze slip prepared from the raw materials has high adaptability to the body, the weight ratio of the overglaze to water is controlled, and if the specific gravity of the water is too large, air holes are easily formed in a dry grain layer when the stalactite ceramic tile is fired, so that the stalactite ceramic tile influences the texture of the surface of the stalactite.
In a fourth aspect, the preparation method of the stalactite ceramic tile adopts the following technical scheme,
a preparation method of stalactite tiles comprises the following steps:
cleaning impurities on the surface of the dried green body, and spraying water on the surface of the cleaned green body to obtain a wet green body;
uniformly spraying surface glaze on the surface of the wet blank to obtain a surface glaze layer;
spraying ink on the overglaze layer according to the required pattern to obtain a pattern layer;
uniformly spraying a bonding agent on the surface of the pattern layer to obtain a bonding layer;
distributing stalactite dry granules on the bonding layer by adopting a dry granule distributor, and fixing the stalactite dry granules on the bonding layer by rolling to obtain a stalactite dry granule layer;
and uniformly spraying and printing glue on the stalactite dry particle layer, and then sintering and edging to obtain the stalactite ceramic tile.
By adopting the technical scheme, after ink is jetted, the stalactite dry particles are paved on the bonding layer, glue is sprayed and printed on the stalactite dry particle layer, so that the stalactite dry particles are bonded on the pattern layer more stably, the ink can better color after firing, the bonding agent is sprayed on the pattern layer, the suspension property of glaze slip is favorably adjusted, the glaze slip keeps good fluidity, and the stability of the fired stalactite ceramic tile is improved.
Preferably, the spraying amount of the glaze slip is 49-60mg/cm 2 The spraying amount of the spray printing glue is 7-10mg/cm 2 。
By adopting the technical scheme, the effect of the overglaze layer can be better ensured by controlling the spraying amount of the glaze slip, if the spraying amount of the stalactite overglaze is too large, the glaze spraying is unstable in the sintering process, and the better adhesion of dry stalactite particles on the bonding layer can be realized by controlling the spraying amount of the spray printing glue, so that the surface texture of the stalactite ceramic tile is improved.
In summary, the present application includes the following technical effects:
1. the opal dry particles are prepared by mixing the opal dry particles and the medium-temperature dry particles, and can play a role in wear resistance and skid resistance when being applied to the ceramic tile; the individualized decoration requirement of consumers can be met; if the proportion of the opaque pearl-colored dry particles to the medium Wen Ganli is not in the range of the application, the stalactite dry particles formed after mixing are easy to agglomerate, and the texture and the transparency of the stalactite ceramic tile are further influenced; the raw materials and the proportion of the stalactite dry particles and the moderate-temperature dry particles are different, and the wear resistance of the stalactite ceramic tile can be effectively improved by mixing the two dry particles.
2. The opacified pearl dry particles and the medium-temperature dry particles are calcined at a high temperature at a specific temperature by adopting the method, and the two dry particles are mixed to form pearl-shaped dry particles after calcination, so that the surface of the stalactite dry particles has granular feel and good texture and luster, and the wear resistance of the stalactite ceramic tile is further improved.
3. The spraying amount of the glaze slip is controlled to better ensure the effect of the overglaze layer, if the spraying amount of the stalactite overglaze is too large, the glaze spraying is easy to be unstable in the sintering process, and the spraying amount of the spray printing glue is controlled to enable dry stalactite particles to be better adhered to the bonding layer, so that the surface texture of the stalactite ceramic tile is improved.
Drawings
Fig. 1 is a structural schematic diagram of a stalactite tile according to an embodiment of the present application.
Detailed Description
Examples
Example 1
A preparation method of stalactite dry granules comprises the following steps:
weighing 16kg of aluminum oxide, 49.5kg of silicon dioxide, 5.1kg of calcium oxide, 1.2kg of magnesium oxide, 3.5kg of potassium oxide, 3.6kg of sodium oxide, 9.2kg of zirconium dioxide, 7kg of zinc oxide and 4.9kg of strontium oxide as opacified pearl color dry particle raw materials;
weighing 18.5kg of aluminum oxide, 54kg of silicon dioxide, 3kg of calcium oxide, 0.1kg of magnesium oxide, 2.8kg of potassium oxide, 4.3kg of sodium oxide, 9.9kg of barium oxide, 3.6kg of zinc oxide, 3.4kg of strontium oxide and 0.4kg of fluorine as medium-temperature dry particle raw materials;
mixing the opaque pearl-color dry particle raw materials, mixing the medium-temperature dry particle raw materials, weighing 80kg of the opaque pearl-color dry particle raw materials and 20kg of the medium-temperature dry particle raw materials, putting the opaque pearl-color dry particle raw materials and the medium-temperature dry particle raw materials into a frit furnace, calcining at the high temperature of 1200 ℃, cooling to obtain a frit, and crushing the frit to 30-250 meshes to obtain the stalactite dry particles.
Example 2
A preparation method of stalactite dry granules comprises the following steps:
weighing 16.5kg of aluminum oxide, 48.5kg of silicon dioxide, 5.3kg of calcium oxide, 1.3kg of magnesium oxide, 4kg of potassium oxide, 4kg of sodium oxide, 9kg of zirconium dioxide, 6.5kg of zinc oxide and 4.9kg of strontium oxide as the raw materials of the opacified pearl-color dry particles;
weighing 18kg of aluminum oxide, 53.6kg of silicon dioxide, 3.3kg of calcium oxide, 0.2kg of magnesium oxide, 3kg of potassium oxide, 4.5kg of sodium oxide, 10kg of barium oxide, 3.8kg of zinc oxide, 3.5kg of strontium oxide and 0.1kg of fluorine as medium-temperature dry particle raw materials;
mixing the opaque pearl-color dry particle raw materials, mixing the medium-temperature dry particle raw materials, weighing 80kg of the opaque pearl-color dry particle raw materials and 20kg of the medium-temperature dry particle raw materials, putting the opaque pearl-color dry particle raw materials and the medium-temperature dry particle raw materials into a frit furnace, calcining at the high temperature of 1200 ℃, cooling to obtain a frit, and crushing the frit to 30-250 meshes to obtain the stalactite dry particles.
Example 3
A preparation method of stalactite dry granules comprises the following steps:
weighing 16.1kg of aluminum oxide, 48.9kg of silicon dioxide, 5.3kg of calcium oxide, 1.5kg of magnesium oxide, 3.8kg of potassium oxide, 3.65kg of sodium oxide, 9.1kg of zirconium dioxide, 6.6kg of zinc oxide and 4.95kg of strontium oxide as the raw materials of the opacified pearl color dry particles;
weighing 18.1kg of aluminum oxide, 53.7kg of silicon dioxide, 3.05kg of calcium oxide, 0.12kg of magnesium oxide, 2.85kg of potassium oxide, 4.35kg of sodium oxide, 9.95kg of barium oxide, 3.68kg of zinc oxide, 3.42kg of strontium oxide and 0.78kg of fluorine as medium-temperature dry granular raw materials;
mixing the opacified pearl color dry particle raw materials, mixing the medium temperature dry particle raw materials, weighing 80kg of opacified pearl color dry particle raw materials and 20kg of medium temperature dry particle raw materials, putting the opacified pearl color dry particle raw materials and the medium temperature dry particle raw materials into a frit furnace, calcining at the high temperature of 1200 ℃, cooling to obtain frit, and crushing the frit to 30-250 meshes to obtain the stalactite dry particles.
Example 4
A difference from example 3 is that, in the raw materials of the opacified pearl-colored dry particles, the input amount of magnesium oxide is 1.3kg, the input amount of zirconium dioxide is 9.3kg, and the input amount of zinc oxide is 6.6kg.
Example 5
A difference from example 3 is that, in the raw materials of the opal dry particles, the amount of magnesium oxide added is 1.4kg, the amount of zirconium dioxide added is 9.2kg, and the amount of zinc oxide added is 6.6kg.
Example 6
A difference from example 3 is that the amount of barium oxide added, the amount of zinc oxide added, and the amount of strontium oxide added to the raw materials for the medium-temperature dry granules were 9.9kg, 3.73kg, and 3.42kg, respectively.
Example 7
A difference from example 3 is that, in the raw materials of the medium-temperature dry granules, the input amount of barium oxide is 10.03kg, the input amount of zinc oxide is 3.6kg, and the input amount of strontium oxide is 3.42kg.
Comparative example 1
This comparative example differs from example 3 in that: during the preparation of the stalactite dry granules, 100kg of opaque pearl dry granules are weighed, and medium-temperature dry granules are not added.
Comparative example 2
This comparative example differs from example 3 in that: during the preparation of the stalactite dry granules, 100kg of medium-temperature dry granules are weighed, and the opaque pearl-color dry granules are not added.
Comparative example 3
The difference between the comparative example and example 3 is that 50kg of opaque pearl-colored dry particles and 50kg of medium-temperature dry particles are weighed and mixed when the opaque pearl-colored dry particles and the medium-temperature dry particles are mixed.
Comparative example 4
The difference between this comparative example and example 3 is that 20kg of opaque nacreous dry granules and 80kg of medium-temperature dry granules are weighed and mixed when the opaque nacreous dry granules and the medium-temperature dry granules are mixed.
Comparative example 5
This comparative example differs from example 3 in that the amount of magnesium oxide added, the amount of zirconium dioxide added, and the amount of zinc oxide added, in the raw materials of the opacified pearl-colored dry particles, were 0.5kg, 10kg, and 6.7kg.
Comparative example 6
This comparative example is different from example 3 in that the amount of barium oxide, zinc oxide and strontium oxide added to the medium-temperature dry granulated raw material was 12kg, 1.63kg and 3.42kg, respectively.
Application example
Application example 1
A preparation method of stalactite tiles comprises the following steps:
taking a blank body with the plane size of 450mm multiplied by 450mm, drying the blank body, cleaning impurities on the surface of the blank body, spraying water on the surface of the blank body, and wetting the blank body, wherein the water spraying amount is 8g.
Weighing 12kg of potassium feldspar, 12kg of albite, 11kg of calcined talc, 1kg of calcined kaolin, 2kg of calcined alumina, 2kg of calcined zinc oxide, 8kg of barium carbonate, 16kg of nepheline, 14kg of water-washed kaolin and 22kg of quartz as raw materials of overglaze; putting the raw materials of the overglaze into a stirrer, uniformly mixing, adding water into the stirrer, and adjusting the specific gravity of the overglaze and the water to be 1.85 g/cm 3 And obtaining the glaze slip.
Spraying glaze slurry on the surface of the blank, wherein the spraying amount of the glaze slurry is 49mg/cm 2 And forming a surface glaze layer.
And spraying ink on the overglaze layer according to the required pattern to form a pattern layer.
The adhesive is evenly sprayed on the pattern layer,
the stalactite dry granules prepared in example 1 were uniformly distributed on the adhesive layer by a belt dry granule distributor and pressed flat by a roller, wherein the distribution amount of the stalactite dry granules was 153mg/cm 2 And forming a stalactite dry particle layer.
Uniformly spraying and printing glue on the stalactite dry particle layer, wherein the spraying amount of the glue is 7mg/cm 2 (ii) a Forming a protective layer; obtaining a semi-finished product.
And (3) placing the semi-finished product into a kiln for sintering at 1200 ℃ for 60min, and edging to obtain the stalactite ceramic tile.
Application example 2
A preparation method of stalactite tiles comprises the following steps:
taking a blank body with the plane size of 450mm multiplied by 450mm, drying the blank body, cleaning impurities on the surface of the blank body, spraying water on the surface of the blank body, and wetting the blank body, wherein the water spraying amount is 8g.
Weighing 14kg of potash feldspar, 14kg of albite, 13kg of calcined talc, 3kg of calcined kaolin, 4kg of calcined alumina, 4kg of calcined zinc oxide, 10kg of barium carbonate, 10kg of nepheline, 10kg of water-washed kaolin and 18kg of quartz as raw materials of overglaze; putting the raw materials of the overglaze into a stirrer, uniformly mixing, adding water into the stirrer, and adjusting the specific gravity of the overglaze and the water to be 1.85 g/cm 3 And obtaining the glaze slip.
Spraying glaze slurry on the surface of the blank, wherein the spraying amount of the glaze slurry is 49mg/cm 2 And forming a surface glaze layer.
And spraying ink on the overglaze layer according to the required pattern to form a pattern layer.
The adhesive is evenly sprayed on the pattern layer,
the stalactite dry granules prepared in example 2 were uniformly distributed on the adhesive layer using a belt dry granule distributor, wherein the distribution amount of the stalactite dry granules was 153mg/cm 2 And flattening by a roller to form a stalactite dry particle layer.
Spraying and printing glue on the stalactite dry particle layer,wherein the spraying amount of the glue is 7mg/cm 2 (ii) a Forming a protective layer; obtaining a semi-finished product.
And (3) placing the semi-finished product into a kiln for sintering at 1200 ℃ for 60min, and edging to obtain the stalactite ceramic tile.
Application example 3
A preparation method of stalactite tiles comprises the following steps:
taking a blank body with the plane size of 450mm multiplied by 450mm, drying the blank body, cleaning impurities on the surface of the blank body, spraying water on the surface of the blank body, and wetting the blank body, wherein the water spraying amount is 8g.
Weighing 13kg of potassium feldspar, 13kg of albite, 12kg of calcined talc, 2kg of calcined kaolin, 3kg of calcined alumina, 3kg of calcined zinc oxide, 10kg of barium carbonate, 13kg of nepheline, 12kg of water-washed kaolin and 20kg of quartz as raw materials of overglaze; putting the raw materials of the overglaze into a stirrer, uniformly mixing, adding water into the stirrer, and adjusting the specific gravity of the overglaze and the water to be 1.85 g/cm 3 And obtaining the glaze slip.
Spraying glaze slurry on the surface of the blank, wherein the spraying amount of the glaze slurry is 49mg/cm 2 And forming a surface glaze layer.
And spraying ink on the overglaze layer according to the required pattern to form a pattern layer.
The adhesive is evenly sprayed on the pattern layer,
the stalactite dry granules prepared in example 3 were distributed evenly on the adhesive layer using a belt dry granule distributor and pressed flat by a roller, wherein the distribution amount of the stalactite dry granules was 153mg/cm 2 And forming a stalactite dry particle layer.
Uniformly spraying and printing glue on the stalactite dry particle layer, wherein the spraying amount of the glue is 7mg/cm 2 (ii) a Forming a protective layer; obtaining a semi-finished product.
And (3) placing the semi-finished product into a kiln for sintering at 1200 ℃ for 60min, and edging to obtain the stalactite ceramic tile.
Application examples 4 to 7
Application example 4-application example 7 differs from application example 3 in the examples employed for the dry particles of stalactite, which are shown in the following table:
| stalactite dry granules | |
| Application example 4 | Example 4 |
| Application example 5 | Example 5 |
| Application example 6 | Example 6 |
| Application example 7 | Example 7 |
Application example 8
The difference between the application example and the application example 3 is that the composition raw materials of the overglaze are different, and calcined kaolin is replaced by calcined alumina with equal quantity.
Application example 9
The difference between this application example and application example 3 is that the composition of the overglaze was varied, and the amount of calcined talc was 11.5kg, the amount of calcined kaolin was 2kg, and the amount of calcined zinc oxide was 3.5kg.
Application example 10
The difference between this application example and application example 3 is that the composition of the overglaze was varied, and the amount of calcined talc was 11kg, the amount of calcined kaolin was 2kg, and the amount of calcined zinc oxide was 4kg.
Comparative application example
Comparative application examples 1 to 5
Comparative application example 1-comparative application example 5 differs from application example 3 in that the composition of the dry particles of stalactite was varied as shown in the following table:
performance test
Tests were carried out according to the stalactite tiles prepared in application examples 1 to 10 and comparative application examples 1 to 5:
wear resistance: tests were carried out on the stalactite tiles produced in application examples 1 to 10 and comparative application examples 1 to 5 according to GB/T3810.7-2016, part 7 of the ceramic tile test method, determination of the abrasion resistance of the glazed tile surface, wherein the higher the number of grinding revolutions, the better the abrasion resistance.
Dry static friction coefficient determination: the static friction coefficient of the surface of the ceramic tile is measured by a dry method by using a pulling slide block method in the static friction coefficient measuring method of the surface of the glazed ceramic tile and the unglazed ceramic tile in the GB/T4100-2015 ceramic tile standard appendix.
According to the comparison of the data of the application examples 1-3 and the data of the comparative application examples 1-5, the stalactite dry granules are prepared by mixing the opacified pearl dry granules and the medium-temperature dry granules, and the stalactite dry granules can play a role in wear resistance and skid resistance when being applied to the ceramic tile.
According to the comparison of the data of application examples 3-7, the opacified pearl dry particles and the medium-temperature dry particles are calcined at a high temperature by adopting the method, and the two calcined dry particles are mixed to form pearl dry particles, so that the surface of the stalactite dry particles has granular feel and good texture and luster, and the wear resistance of the stalactite ceramic tile is improved.
According to the comparison of the data of application example 3 and application examples 9-10, the input amount of the calcined talc, the calcined kaolin and the calcined zinc oxide is controlled when the overglaze is prepared, and the prepared glaze slip has high adaptability to the blank body, so that the surface texture of the stalactite ceramic tile is good.
The present embodiments are only illustrative and not restrictive, and those skilled in the art who review this specification can make modifications to the embodiments as needed without any inventive contribution, but fall within the scope of the claims of the present application.
Claims (10)
1. A stalactite dry granule is characterized in that: comprises opacified pearl dry particles and medium-temperature dry particles;
the opacified pearl color dry particles are prepared from the following components in percentage by weight: 16-16.5% of aluminum oxide, 48.5-49.5% of silicon dioxide, 5.1-5.5% of calcium oxide, 1.2-1.7% of magnesium oxide, 3.5-4% of potassium oxide, 3.6-4% of sodium oxide, 9-9.5% of zirconium dioxide, 6.5-7% of zinc oxide, 4.9-5.2% of strontium oxide and the balance of other components;
the medium-temperature dry granules are prepared from the following components in percentage by weight: 18-18.5% of aluminum oxide, 53.6-54% of silicon dioxide, 3-3.3% of calcium oxide, 0.1-0.2% of magnesium oxide, 2.8-3% of potassium oxide, 4.3-4.5% of sodium oxide, 9.9-10.5% of barium oxide, 3.6-4% of zinc oxide, 3.4-4% of strontium oxide, 0.1-0.3% of fluorine and the balance of other components;
the weight percentage of the opacified pearl color dry particles is 75-85%; the weight percentage of the medium-temperature dry particles is 15-25%.
2. The dry stalactite pellet as recited in claim 1, wherein: the weight ratio of the magnesium oxide, the zirconium dioxide and the zinc oxide in the opacified pearl-color dry particles is (0.19-0.22): (1.39-1.41): 1.
3. the dry stalactite pellet as claimed in claim 1, wherein: the weight ratio of barium oxide, zinc oxide and strontium oxide in the medium-temperature dry particles is (2.89-2.94): (1.05-1.10): 1.
4. a method for producing a dry stalactite granulation for use in the production of a dry stalactite granulation as claimed in any one of claims 1 to 3, comprising the steps of:
uniformly mixing aluminum oxide, silicon dioxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, zirconium dioxide, zinc oxide, strontium oxide and the balance of other components according to a ratio, melting at 1180-1220 ℃, cooling, crushing and sieving to obtain the opaque pearl-colored dry particles;
uniformly mixing aluminum oxide, silicon dioxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, barium oxide, zinc oxide, strontium oxide, fluorine and the balance of other components according to a ratio, melting at 1180-1220 ℃, cooling, crushing and sieving to obtain the intermediate-temperature dry particles;
and uniformly mixing the opacified pearl color dry particles with the medium-temperature dry particles to obtain the stalactite dry particles.
5. The method for preparing stalactite dry granules according to claim 4, wherein the particle size of the opacified pearl dry granules is in the range of 30-250 mesh; the particle size range of the medium-temperature dry particles is 30-250 meshes.
6. A stalactite ceramic tile which characterized in that: comprising a body, a glaze layer, a pattern layer, a bonding layer, a stalactite dry-grained layer and a protective layer, the stalactite dry-grained layer being made of the stalactite dry-grained of claim 1.
7. A stalactite tile according to claim 6, wherein: the overglaze layer is made of glaze slip, the glaze slip comprises overglaze, and the overglaze comprises the following components in percentage by weight: 12-14% of potassium feldspar, 12-14% of albite, 11-13% of calcined talc, 1-3% of calcined kaolin, 2-4% of calcined alumina, 2-4% of calcined zinc oxide, 8-12% of barium carbonate, 10-16% of nepheline, 10-14% of water-washed kaolin and 18-22% of quartz.
8. A stalactite tile according to claim 7, wherein: the preparation method of the glaze slip comprises the following steps: mixing the raw materials of the overglaze uniformly according to the proportion, adding water, and adjusting the specific gravity of the overglaze and the water to be 1.85-1.89g/cm 3 And preparing the glaze slip.
9. A process for the preparation of a stalactite tile as defined in any one of claims 6 to 8, comprising the steps of:
cleaning impurities on the surface of the dried green body, and spraying water on the surface of the cleaned green body to obtain a wet green body;
uniformly spraying a surface glaze on the surface of the wet blank to obtain a surface glaze layer;
spraying ink on the overglaze layer according to the required pattern to obtain a pattern layer;
uniformly spraying a bonding agent on the surface of the pattern layer to obtain a bonding layer;
distributing stalactite dry granules on the bonding layer by adopting a dry granule distributor, and fixing the stalactite dry granules on the bonding layer by rolling to obtain a stalactite dry granule layer;
and uniformly spraying and printing glue on the stalactite dry particle layer to obtain a protective layer, and sintering and edging to obtain the stalactite ceramic tile.
10. The method for preparing stalactite tiles as claimed in claim 9, wherein: the spraying amount of the glaze slip is 49-60mg/cm 2 The spraying amount of the spray printing glue is 7-10mg/cm 2 。
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