CN115872621B - Opal ceramic tile and preparation method thereof - Google Patents
Opal ceramic tile and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a opal ceramic tile and a preparation method thereof, wherein the opal ceramic tile comprises opaque pearl dry particles and medium-temperature dry particles; the opacified pearl dry particles comprise 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 dry particles is 75-85%; the weight percentage of the medium-temperature dry particles is 15-25%. The method has the effect of improving the natural crystal texture of the opal tile.
Description
Technical Field
The invention relates to the field of ceramics, in particular to a opal ceramic tile and a preparation method thereof.
Background
The ceramic industry is vigorously developed, along with the growth of consumers and the differentiation of consumer groups, the change of consumption habit and aesthetic habit is also increasingly abundant, the consumers gradually prefer natural archaizing products, the archaizing tiles in the market basically adopt matte dry grains as main materials, and the surfaces of the tiles prepared by the matte dry grains have good granular feel, and meanwhile, the touch feeling is soft and moist, so that the ceramic tiles are widely applied to home decoration.
However, although the ceramic tile prepared by the matte dry particles has granular feel and good touch, the texture of the ceramic tile is single and lacks layering, the surface of the ceramic tile cannot form natural crystal texture and opaque pearl texture like the surface of a stalactite, and the personalized decoration requirement of consumers is difficult to meet.
Disclosure of Invention
In order to make the tile have the crystal texture similar to that of the opal, the application provides a opal tile and a preparation method thereof.
In a first aspect, the present application provides a dry stalactite granule, which adopts the following technical scheme:
the opal dry granules comprise opaque pearl dry granules and medium-temperature dry granules;
the opacified pearl dry particles comprise 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 particle comprises the following components in percentage by weight: 18 to 18.5 percent of aluminum oxide, 53.6 to 54 percent of silicon dioxide, 3 to 3.3 percent of calcium oxide, 0.1 to 0.2 percent of magnesium oxide, 2.8 to 3 percent of potassium oxide, 4.3 to 4.5 percent of sodium oxide, 9.9 to 10.5 percent of barium oxide, 3.6 to 4 percent of zinc oxide, 3.4 to 4 percent of strontium oxide, 0.1 to 0.3 percent of fluorine and the balance of other components;
the weight percentage of the opacified pearl dry particles is 75-85%; the weight percentage of the medium-temperature dry particles is 15-25%.
According to the technical scheme, the stalactite dry particles prepared by mixing the opacified pearl dry particles and the medium-temperature dry particles can play a role in wear resistance and skid resistance when applied to the ceramic tile, the surface texture and the luster of the stalactite ceramic tile can be improved by controlling the proportion of the opacified pearl dry particles and the medium-temperature dry particles, and the surface of the ceramic tile presents the surface texture of natural stalactite, and has natural texture and full and warm luster; the personalized decoration requirements of consumers can be met; if the ratio of the opacified pearl dry particles to the medium-temperature dry particles is not within the range of the application, the mixed opal dry particles are easy to agglomerate, so that the texture and the penetration of the opal ceramic tile are affected; the raw materials and the proportion of the stalactite dry particles and the medium-temperature dry particles are different, and the mixture of the two dry particles can effectively improve the wear resistance of the stalactite tile.
Preferably, the weight ratio of magnesium oxide, zirconium dioxide and zinc oxide in the opacified pearl 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 dry particles are in a specific weight ratio, the zirconium dioxide can increase the opaqueness of the opacified pearl dry particles, and the zinc oxide can play a fluxing role, so that various raw materials are uniformly dispersed, agglomeration and precipitation of the opacified pearl dry particles are effectively avoided, the sense of transparency and texture of the opalescent ceramic tile are improved, and the wear resistance of the opalescent ceramic tile is further improved.
Preferably, the weight ratio of the barium oxide, the zinc oxide and the 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 the barium oxide, the zinc oxide and the strontium oxide in the medium-temperature dry particle raw materials is controlled, and the sense of penetration and the texture of the stalactite tile are improved
In a second aspect, the preparation method of the stalactite dry particle provided by the application adopts the following technical scheme:
the preparation method of the 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 the proportion, melting at 1180-1220 ℃, cooling, crushing and sieving to obtain the opacified pearl 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 the proportion, and then melting, cooling, crushing and sieving the mixture at the temperature of 1180-1220 ℃ to obtain medium-temperature dry granules;
and uniformly mixing the opacified pearl 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 Wen Ganli are calcined at a high temperature at a specific temperature by adopting the method, and the two dry particles are mixed to form the pearl dry particles after calcination, so that the surface of the stalactite dry particles has good texture and luster while the surface of the stalactite dry particles has granular feel, and the wear resistance of the stalactite ceramic tile is further improved.
Preferably, the particle size of the opacified pearl dry particles is in the range of 30-250 meshes; the particle size of the medium-temperature dry particles is 30-250 meshes.
By adopting the technical scheme, the particle size range of the opacified pearl dry particles and the medium-temperature dry particles is controlled, so that the opacified pearl dry particles and the medium-temperature dry particles are more uniform when mixed, the stalactite dry particles can be tightly attached to the surface of the ceramic tile when being distributed on the surface of the ceramic tile, and are not easy to be discharged along with smoke when being burned, so that the texture and luster of the stalactite dry particles are improved; if the particle size of the stalactite dry particles is too large, the stalactite dry particles are easy to precipitate, if the particle size of the stalactite dry particles is too small, the stalactite dry particles can be completely wrapped by the overglaze after the stalactite ceramic tile is burned, and the function of the stalactite dry particles is not easy to be exerted.
In a third aspect, the present application provides a opal tile, which adopts the following technical scheme:
the 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 dry grain layers of the stalactite and the overglaze layer are separated, and gaps between the dry grain layers of the stalactite are filled with the bonding layer and the protective layer, so that the surface texture of the stalactite 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 talcum, 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:
the glaze slip is prepared by uniformly mixing 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 >.
By adopting the technical scheme, the glaze slurry prepared from the raw materials has higher adaptability to a blank body, the weight ratio of the overglaze to water is controlled, if the specific gravity of the water is too large, air holes are easily formed in a dry grain layer when the stalactite tile is fired, and the stalactite tile is further enabled to influence the texture of the surface of the stalactite.
In a fourth aspect, the preparation method of the opal ceramic tile provided by the application adopts the following technical scheme,
the preparation method of the opal ceramic tile comprises the following steps:
cleaning impurities on the surface of the dried green body, and spraying water on the cleaned green body surface to obtain a wet green body;
uniformly spraying overglaze on the surface of the wet blank to obtain an overglaze layer;
spraying ink on the overglaze layer according to the required pattern to obtain a pattern layer;
uniformly spraying an adhesive on the surface of the pattern layer to obtain an adhesive layer;
adopting a dry particle distributor to distribute Shi Zhong opal dry particles on the bonding layer, and fixing the opal dry particles on the bonding layer by rolling to obtain a opal dry particle layer;
and uniformly spraying glue on the stalactite dry grain layer, and then sintering and edging to obtain the stalactite ceramic tile.
According to the technical scheme, the dry stalactite particles are paved on the bonding layer after the ink is sprayed, glue is sprayed on the dry stalactite particle layer, so that the dry stalactite particles are bonded on the pattern layer more stably, the ink can be better developed after firing, and the adhesive is sprayed on the pattern layer, so that the suspension performance of the glaze slurry can be regulated, the glaze slurry can keep good fluidity, and the stability of the fired stalactite tile is improved.
Preferably, the spraying amount of the glaze slip is 49-60mg/cm 2 The spraying amount of the spraying 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 slurry, if the spraying amount of the stalactite overglaze is too large, the spraying of the glaze is unstable in the firing process, and the spraying amount of the spraying glue is controlled, so that the stalactite dry particles can be better adhered to the adhesive layer, and the surface texture of the stalactite tile is further improved.
In summary, the present application includes the following technical effects:
1. the stalactite dry particles prepared by mixing the opacified pearl dry particles and the medium-temperature dry particles can play roles in wear resistance and skid resistance when applied to ceramic tiles, the surface texture and gloss of the stalactite ceramic tile can be improved by controlling the proportion of the opacified pearl dry particles and the medium-temperature dry particles, and the surface of the ceramic tile presents the surface texture of natural stalactite, and has natural texture and plump and warm; the personalized decoration requirements of consumers can be met; if the ratio of the opacified pearl dry particles to the medium-temperature dry particles is not within the range of the application, the mixed opal dry particles are easy to agglomerate, so that the texture and the penetration of the opal ceramic tile are affected; the raw materials and the proportion of the stalactite dry particles and the medium-temperature dry particles are different, and the mixture of the two dry particles can effectively improve the wear resistance of the stalactite tile.
2. The opacified pearl dry particles and the medium Wen Ganli are calcined at a high temperature at a specific temperature by adopting the method, and the two dry particles are mixed to form the pearl dry particles after calcination, so that the surface of the stalactite dry particles has good texture and luster while the surface of the stalactite dry particles has granular feel, and the wear resistance of the stalactite ceramic tile is further improved.
3. The effect of the overglaze layer can be better ensured by controlling the spraying amount of the glaze slurry, if the spraying amount of the stalactite overglaze is too large, the spraying of the glaze slurry is unstable in the firing process, and the spraying amount of the spraying glue is controlled, so that the stalactite dry particles can be better adhered to the adhesive layer, and the surface texture of the stalactite tile is further improved.
Drawings
Fig. 1 is a schematic view of a structure of a stalactite tile according to an embodiment of the present application.
Detailed Description
Examples
Example 1
The preparation method of the 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 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 opacified pearl dry particle raw materials, mixing the medium-temperature dry particle raw materials, weighing 80kg of opacified pearl dry particle raw materials and 20kg of medium-temperature dry particle raw materials, putting into a frit furnace, calcining at a high temperature of 1200 ℃, cooling to obtain a frit, and crushing the frit to 30-250 meshes to obtain the stalactite dry particle.
Example 2
The preparation method of the 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 raw materials of 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 opacified pearl dry particle raw materials, mixing the medium-temperature dry particle raw materials, weighing 80kg of opacified pearl dry particle raw materials and 20kg of medium-temperature dry particle raw materials, putting into a frit furnace, calcining at a high temperature of 1200 ℃, cooling to obtain a frit, and crushing the frit to 30-250 meshes to obtain the stalactite dry particle.
Example 3
The preparation method of the 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 opacified pearl dry particle raw materials;
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 particle raw materials;
mixing the opacified pearl dry particle raw materials, mixing the medium-temperature dry particle raw materials, weighing 80kg of opacified pearl dry particle raw materials and 20kg of medium-temperature dry particle raw materials, putting into a frit furnace, calcining at a high temperature of 1200 ℃, cooling to obtain a frit, and crushing the frit to 30-250 meshes to obtain the stalactite dry particle.
Example 4
A process for producing stalactite dry particles, which differs from example 3 in that the amount of magnesium oxide added to the raw material of the opacified pearl dry particles was 1.3kg, the amount of zirconium dioxide added was 9.3kg, and the amount of zinc oxide added was 6.6kg.
Example 5
A process for producing stalactite dry particles, which differs from example 3 in that the amount of magnesium oxide added to the raw material of the opacified pearl dry particles was 1.4kg, the amount of zirconium dioxide added was 9.2kg, and the amount of zinc oxide added was 6.6kg.
Example 6
The difference between the preparation method of the stalactite dry granules and the preparation method of the stalactite dry granules in example 3 is that the input amount of barium oxide is 9.9kg, the input amount of zinc oxide is 3.73kg and the input amount of strontium oxide is 3.42kg in the raw materials of the medium-temperature dry granules.
Example 7
The difference between the preparation method of the stalactite dry granules and the preparation method of the stalactite dry granules in example 3 is that 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 in the raw materials of the medium-temperature dry granules.
Comparative example 1
The present comparative example differs from example 3 in that: in the process of preparing the stalactite dry particles, 100kg of opacified pearl dry particles are weighed, and medium-temperature dry particles are not added.
Comparative example 2
The present comparative example differs from example 3 in that: in the process of preparing the stalactite dry particles, 100kg of medium-temperature dry particles are weighed, and no opacified pearl dry particles are added.
Comparative example 3
This comparative example differs from example 3 in that 50kg of the opacified pearl dry particles were weighed and mixed with 50kg of the medium temperature dry particles when the opacified pearl dry particles were mixed with the medium temperature dry particles.
Comparative example 4
This comparative example differs from example 3 in that when the opacified pearl dry particles are mixed with the medium temperature dry particles, 20kg of opacified pearl dry particles are weighed and mixed with 80kg of medium temperature dry particles.
Comparative example 5
The difference between this comparative example and example 3 is that the amount of magnesium oxide added was 0.5kg, the amount of zirconium dioxide added was 10kg, and the amount of zinc oxide added was 6.7kg in the raw material of the opacified pearl color dry granules.
Comparative example 6
The difference between this comparative example and example 3 is that the amount of barium oxide charged in the medium-temperature dry pellet raw material was 12kg, the amount of zinc oxide charged was 1.63kg, and the amount of strontium oxide charged was 3.42kg.
Application example
Application example 1
The preparation method of the opal ceramic tile comprises the following steps:
taking a green body with the plane size of 450mm multiplied by 450mm, drying the green body, cleaning impurities on the surface of the green body, spraying water on the surface of the green body, and wetting the green body, wherein the water spraying amount is 8g.
Weighing 12kg of potassium feldspar, 12kg of albite, 11kg of calcined talcum, 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 the overglaze; after the raw materials of the overglaze are put into a stirrer to be uniformly mixed, water is added into the stirrer, and the specific gravity of the overglaze and the water is regulated to be 1.85:1g/cm 3 The glaze slip is obtained.
Spraying glaze slurry on the surface of the blank, wherein the spraying amount of the glaze slurry is 49mg/cm 2 Forming an overglaze layer.
And (3) spraying ink on the overglaze layer according to the required pattern to form a pattern layer.
Uniformly spraying an adhesive on the pattern layer,
examples were carried out using a belt dry particle distributor1 are uniformly distributed on the bonding layer, and are flattened by a roller, wherein the distribution amount of the stalactite dry particles is 153mg/cm 2 Forming a stalactite dry grain layer.
Uniformly spraying glue on the stalactite dry grain layer, wherein the spraying amount of the glue is 7mg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the Forming a protective layer; semi-finished products are obtained.
And (3) putting the semi-finished product into a kiln for sintering, wherein the sintering temperature is 1200 ℃, the sintering time is 60 minutes, and edging is carried out after sintering to obtain the stalactite ceramic tile.
Application example 2
The preparation method of the opal ceramic tile comprises the following steps:
taking a green body with the plane size of 450mm multiplied by 450mm, drying the green body, cleaning impurities on the surface of the green body, spraying water on the surface of the green body, and wetting the green body, wherein the water spraying amount is 8g.
Weighing 14kg of potassium feldspar, 14kg of albite, 13kg of calcined talcum, 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 the overglaze; after the raw materials of the overglaze are put into a stirrer to be uniformly mixed, water is added into the stirrer, and the specific gravity of the overglaze and the water is regulated to be 1.85:1g/cm 3 The glaze slip is obtained.
Spraying glaze slurry on the surface of the blank, wherein the spraying amount of the glaze slurry is 49mg/cm 2 Forming an overglaze layer.
And (3) spraying ink on the overglaze layer according to the required pattern to form a pattern layer.
Uniformly spraying an adhesive on the pattern layer,
the stalactite dry particles prepared in example 2 were uniformly distributed on the adhesive layer using a belt dry particle distributor, wherein the distribution amount of the stalactite dry particles was 153mg/cm 2 And flattening by a roller to form a stalactite dry grain layer.
Uniformly spraying glue on the stalactite dry grain layer, wherein the spraying amount of the glue is 7mg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the Forming a protective layer; semi-finished products are obtained.
And (3) putting the semi-finished product into a kiln for sintering, wherein the sintering temperature is 1200 ℃, the sintering time is 60 minutes, and edging is carried out after sintering to obtain the stalactite ceramic tile.
Application example 3
The preparation method of the opal ceramic tile comprises the following steps:
taking a green body with the plane size of 450mm multiplied by 450mm, drying the green body, cleaning impurities on the surface of the green body, spraying water on the surface of the green body, and wetting the green body, wherein the water spraying amount is 8g.
Weighing 13kg of potassium feldspar, 13kg of albite, 12kg of calcined talcum, 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 the overglaze; after the raw materials of the overglaze are put into a stirrer to be uniformly mixed, water is added into the stirrer, and the specific gravity of the overglaze and the water is regulated to be 1.85:1g/cm 3 The glaze slip is obtained.
Spraying glaze slurry on the surface of the blank, wherein the spraying amount of the glaze slurry is 49mg/cm 2 Forming an overglaze layer.
And (3) spraying ink on the overglaze layer according to the required pattern to form a pattern layer.
Uniformly spraying an adhesive on the pattern layer,
the stalactite dry particles prepared in example 3 were uniformly distributed on the adhesive layer using a belt dry particle distributor and flattened by a roller, wherein the distribution amount of the stalactite dry particles was 153mg/cm 2 Forming a stalactite dry grain layer.
Uniformly spraying glue on the stalactite dry grain layer, wherein the spraying amount of the glue is 7mg/cm 2 The method comprises the steps of carrying out a first treatment on the surface of the Forming a protective layer; semi-finished products are obtained.
And (3) putting the semi-finished product into a kiln for sintering, wherein the sintering temperature is 1200 ℃, the sintering time is 60 minutes, and edging is carried out after sintering to obtain the stalactite ceramic tile.
Application examples 4 to 7
Application example 4-application example 7 differs from application example 3 in that the examples used for the dry stalactite granules are different, as shown in the following table:
| stalactitum dry particles | |
| 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 this application example and application example 3 is that the composition raw materials of the overglaze are different, and the calcined kaolin is replaced by the calcined alumina in equal amount.
Application example 9
The difference between this application example and application example 3 is that the raw materials of the overglaze are different, the input of calcined talc is 11.5kg, the input of calcined kaolin is 2kg, and the input of calcined zinc oxide is 3.5kg.
Application example 10
The difference between this application example and application example 3 is that the raw materials of the overglaze are different, the input of calcined talc is 11kg, the input of calcined kaolin is 2kg, and the input of calcined zinc oxide is 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 raw materials of the stalactite dry granules are different, as shown in the following table:
performance test
The tests were carried out on the opal tiles obtained in application examples 1 to 10 and comparative application examples 1 to 5:
abrasion resistance: the stalactite tiles prepared in application examples 1 to 10 and comparative application examples 1 to 5 were tested according to GB/T3810.7-2016 "determination of the wear resistance of glazed tiles surface by ceramic tile test method section 7", wherein the higher the number of grinding revolutions, the better the wear resistance.
Dry static coefficient of friction measurement: the dry static friction coefficient of the ceramic tile surface was measured by the slider pulling method using GB/T4100-2015 Standard annex for ceramic tile surface static friction coefficient measurement method for glazed ceramic tile and unglazed ceramic tile surfaces.
According to the data comparison of the application examples 1-3 and the comparison application examples 1-5, the stalactite dry particles prepared by mixing the opacified pearl dry particles and the medium-temperature dry particles can play roles in wear resistance and skid resistance when applied to ceramic tiles, and the surface texture and gloss of the stalactite ceramic tile can be improved by controlling the proportion of the opacified pearl dry particles and the medium-temperature dry particles, so that the surface of the ceramic tile presents the surface texture of natural stalactite, and the texture is natural, full and warm.
According to the data comparison of application examples 3-7, the opacified pearl dry particles and the medium Wen Ganli are calcined at a high temperature at a specific temperature by adopting the method, and the two dry particles are mixed to form the pearl 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 tile is further improved.
According to the data comparison of application example 3 and application examples 9-10, when overglaze is prepared, the input amount of calcined talcum, calcined kaolin and calcined zinc oxide is controlled, and the prepared glaze slip has higher adaptability to blanks, so that the surface texture of the opal tile is better.
The present embodiment is merely illustrative of the present application and is not limiting of the present application, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as necessary, but are protected by patent laws within the scope of the claims of the present application.
Claims (10)
1. A dry stalactite grain, characterized in that: comprises opaque pearl dry particles and medium-temperature dry particles;
the opacified pearl dry particles comprise 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 particle comprises the following components in percentage by weight: 18 to 18.5 percent of aluminum oxide, 53.6 to 54 percent of silicon dioxide, 3 to 3.3 percent of calcium oxide, 0.1 to 0.2 percent of magnesium oxide, 2.8 to 3 percent of potassium oxide, 4.3 to 4.5 percent of sodium oxide, 9.9 to 10.5 percent of barium oxide, 3.6 to 4 percent of zinc oxide, 3.4 to 4 percent of strontium oxide, 0.1 to 0.3 percent of fluorine and the balance of other components;
the weight percentage of the opacified pearl dry particles is 75-85%; the weight percentage of the medium-temperature dry particles is 15-25%.
2. A dry opal grain according to claim 1, characterized in that: the weight ratio of the magnesium oxide, the zirconium dioxide and the zinc oxide in the opacified pearl dry particles is (0.19-0.22): (1.39-1.41): 1.
3. a dry opal grain according to claim 1, characterized in that: the weight ratio of the barium oxide, the zinc oxide and the strontium oxide in the medium-temperature dry particles is (2.89-2.94): (1.05-1.10): 1.
4. a process for preparing a dry stalactite granule according to 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 the proportion, melting at 1180-1220 ℃, cooling, crushing and sieving to obtain the opacified pearl 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 the proportion, and then melting, cooling, crushing and sieving the mixture at the temperature of 1180-1220 ℃ to obtain medium-temperature dry granules;
and uniformly mixing the opacified pearl dry particles with the medium-temperature dry particles to obtain the stalactite dry particles.
5. The method of claim 4, wherein the opacified pearl dry particles have a particle size in the range of 30-250 mesh; the particle size of the medium-temperature dry particles is 30-250 meshes.
6. A opal tile, characterized in that: comprising a green body, an overglaze layer, a pattern layer, a bonding layer, a stalactite dry particle layer made of the stalactite dry particle of claim 1, and a protective layer.
7. A opal 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 talcum, 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 opal tile according to claim 7, wherein: 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 regulating the specific gravity of the overglaze and the water to be 1.85-1.89g/cm 3 The glaze slip is prepared.
9. A method for preparing a stalactite tile according to 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 cleaned green body surface to obtain a wet green body;
uniformly spraying overglaze on the surface of the wet blank to obtain an overglaze layer;
spraying ink on the overglaze layer according to the required pattern to obtain a pattern layer;
uniformly spraying an adhesive on the surface of the pattern layer to obtain an adhesive layer;
adopting a dry particle distributor to distribute Shi Zhong opal dry particles on the bonding layer, and fixing the opal dry particles on the bonding layer by rolling to obtain a opal dry particle layer;
and uniformly spraying glue on the stalactite dry grain layer to obtain a protective layer, and sintering and edging to obtain the stalactite ceramic tile.
10. The method for preparing a opal tile according to claim 9, wherein: the spraying amount of the glaze slip is 49-60mg/cm 2 The spraying amount of the spraying glue is 7-10mg/cm 2 。
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