CN107244908B - High-whiteness jade-like polished tile adobe and tile preparation method thereof - Google Patents
High-whiteness jade-like polished tile adobe and tile preparation method thereof Download PDFInfo
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Abstract
High-whiteness jade-imitating polished tile adobe and tile made of sameThe preparation method comprises the following steps of pressing a green brick of the high-white imitation jade polished brick from mixed powder consisting of a high-temperature material and a high-white transparent material, wherein the mass ratio of the high-temperature material to the high-white transparent material is (40-50): 100, respectively; the high-temperature material comprises the following chemical components in percentage by mass: 70-74% SiO2、17～19％Al2O3、0.1～0.5％CaO、0.5～1％MgO、1～2％K2O、3～5％Na2O、≤0.5％Fe2O3、≤0.1％TiO2And 3-5% loss on ignition; the high-whiteness transparent material comprises the following chemical components in percentage by mass: 68-72% SiO2、17～19％Al2O3、1～2％CaO、1～2％MgO、2～4％K2O、3～5％Na2O、0.2～1％LiO2、≤0.5％Fe2O3、≤0.1％TiO2And 2-4% loss on ignition; the high-white jade-like polished brick prepared from the green brick of the high-white jade-like polished brick provided by the invention has the characteristics of more vivid jade texture, stronger layering, higher whiteness and glossiness, good antifouling property, simple preparation process and stable effect.
Description
Technical Field
The invention relates to the technical field of building ceramics, in particular to a high-whiteness jade-like polished tile adobe and a tile preparation method thereof.
Background
The stone-like polished tile has the characteristics of good wear resistance and stain resistance and the texture of the natural stone, so that the stone-like polished tile can replace the natural stone and enter thousands of households. The existing jade-like polished brick has high-grade jade texture and low price, so the jade-like polished brick is deeply favored by decoration owners; and the room is paved and pasted by the jade-like polished tiles, so that the indoor space is simpler and more elegant, and the indoor style and the living comfort are greatly improved.
However, the existing jade-like polished tiles are the latest polished tiles in the market, the texture effect of high-grade jade is pursued, but the gloss effect of most jade-like polished tiles is not as strong as that of common polished tiles, and the defects that the jade texture is not vivid and fine, the glossiness and the whiteness are low, the surface is easy to generate karst caves and impurities, and the pollution resistance is low exist.
Disclosure of Invention
The invention aims to provide a green brick of a high-whiteness jade-like polished brick with more vivid jade texture and stronger layering, which has the characteristics of higher whiteness and glossiness, good antifouling property, environmental protection and health.
The invention also aims to provide a preparation method of the high-whiteness imitation jade polished tile, which is simple in preparation process, easy in quality monitoring and stable in effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a green brick of a high-whiteness jade-like polished brick is formed by pressing mixed powder consisting of a high-temperature material and a high-whiteness transparent material, wherein the mass ratio of the high-temperature material to the high-whiteness transparent material is (40-50): 100, respectively;
the high-temperature material comprises the following chemical components in percentage by mass: 70-74% SiO2、17～19％Al2O3、0.1～0.5％CaO、0.5～1％MgO、1～2％K2O、3～5％Na2O、≤0.5％Fe2O3、≤0.1％TiO2And 3-5% loss on ignition; the high-whiteness transparent material comprises the following chemical components in percentage by mass: 68-72% SiO2、17～19％Al2O3、1～2％CaO、1～2％MgO、2～4％K2O、3～5％Na2O、0.2～1％LiO2、≤0.5％Fe2O3、≤0.1％TiO2And 2-4% loss on ignition.
Further explaining, the high-temperature material comprises the following raw materials in percentage by mass: 15-25% of clay, 20-23% of medium temperature sand, 12-16% of terrazzo powder, 10-20% of feldspar, 15-18% of high temperature sand, 15-25% of quartz, 2-3% of talc and 0.3-0.5% of sodium tripolyphosphate;
the high-whiteness transparent material comprises the following raw materials in percentage by mass: 15-25% of clay, 8-12% of medium temperature sand, 18-22% of water-milled high-potassium stone powder, 15-30% of feldspar, 13-17% of Jiangxi high-lithium white sand, 10-25% of quartz, 2-3% of talc, 3-5% of calcite and 0.3-0.5% of sodium tripolyphosphate.
Further, the grain composition of the mixed powder comprises the following components in percentage by mass: less than 1% of powder with a particle size of 20 meshes, 35-45% of powder with a particle size of 40 meshes, 50-60% of powder with a particle size of 80 meshes, and less than 3% of powder with a particle size of more than 100 meshes.
Further, the water content of the mixed powder is 6.3-7.4%.
Further explaining, the chemical components of the high-temperature material comprise the following components in percentage by mass: 73.07% SiO2、17.51％Al2O3、0.35％CaO、0.53％MgO、1.12％K2O、3.93％Na2O、0.25％Fe2O3、0.01％TiO2And 3.23% loss on ignition; the high-whiteness transparent material comprises the following chemical components in percentage by mass: 69.64% SiO2、17.06％Al2O3、1.35％CaO、1.23％MgO、3.16％K2O、4.28％Na2O、0.38％LiO2、0.16％Fe2O3、0.01％TiO2And 2.73% loss on ignition.
A preparation method of a high-whiteness imitation jade polished tile comprises the following steps:
(1) preparing mixed powder: weighing and preparing raw materials of a high-temperature material and a high-whiteness transparent material according to a ratio, respectively performing ball milling to obtain slurry, and performing spray drying to obtain high-temperature powder and high-whiteness transparent powder; homogenizing and ageing the high-temperature powder and the high-white transparent powder, and then, mixing the high-temperature powder and the high-white transparent powder according to the mass ratio of (40-50): 100 to obtain mixed powder;
(2) distributing the mixed powder, pressing and molding the mixed powder, and sintering the mixed powder at a high temperature to obtain a green brick;
(3) and (3) carrying out surface polishing and edging treatment on the green brick to obtain the high-whiteness imitation jade polished brick.
Further, the fineness of the ball milling in the step (1) is 250 meshes, and the screen residue is 0.9%; the specific gravity of the slurry obtained after ball milling was 1.69, and the flow rate was 60 m/s.
Further, the homogenization ageing of the high-temperature powder and the high-white transparent powder in the step (1) is carried out for more than or equal to 24 hours in an ageing bin.
Further, the sintering temperature in the step (2) is 1175-1190 ℃.
The invention has the beneficial effects that: the high-white imitation jade polished brick with more vivid jade texture and richer layering sense, which is obtained by the invention, has the following characteristics: (1) the limit of the formula process of the existing jade-like polished brick is broken through, the high-temperature material and the high-white transparent material are mixed by adjusting the reasonable proportion, the high-white transparent material has good low-temperature high-white melting property, and the high-temperature material matched with the high-temperature material is combined, so that the vivid jade sense of the high-white transparent material is supported, the page layering sense is greatly enriched, and the whiteness of a green brick after being fired can reach more than 60 ℃;
(2) by utilizing a component formula system of the high-temperature material and the high-white transparent material which are matched with each other, the problems that the traditional jade-like polished tile is easy to generate karst caves, impurities, dirt absorption and the like due to the combination of the high-temperature material and the high-white transparent material are effectively solved, and the surface of the tile is free of the karst caves and has better antifouling performance;
(3) by introducing the lithium-containing element component into the high-whiteness transparent material, the trouble that a high-radiation raw material zirconium silicate must be added in a traditional high-whiteness formula is solved, the radiation of a traditional high-whiteness ceramic tile to a human body is avoided, and the high-whiteness transparent material is more environment-friendly and healthy;
(4) the green brick can be polished by a soft grinding head, and the glossiness of the green brick can reach 30 degrees, so that the green brick has finer touch feeling, more vivid and natural jade effect and soft vision, and gives people a feeling of being warm and moist like jade.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments.
A green brick of a high-whiteness jade-like polished brick is formed by pressing mixed powder consisting of a high-temperature material and a high-whiteness transparent material, wherein the mass ratio of the high-temperature material to the high-whiteness transparent material is (40-50): 100, respectively;
the high-temperature material comprises the following chemical components in percentage by mass: 70-74% SiO2、17～19％Al2O3、0.1～0.5％CaO、0.5～1％MgO、1～2％K2O、3～5％Na2O、≤0.5％Fe2O3、≤0.1％TiO2And 3-5% loss on ignition; the high-whiteness transparent material comprises the following chemical components in percentage by mass: 68-72% SiO2、17～19％Al2O3、1～2％CaO、1～2％MgO、2～4％K2O、3～5％Na2O、0.2～1％LiO2、≤0.5％Fe2O3、≤0.1％TiO2And 2-4% loss on ignition.
The invention provides a green brick of a high-whiteness jade-like polished brick, which mainly comprises the following components in a certain ratio, namely the high-temperature material and the high-whiteness transparent material, and the mass ratio is (40-50): 100, uniformly mixing the high-temperature material and the high-whiteness transparent material to form mixed powder for preparing a green brick of the high-whiteness imitation jade polished brick; then the high-whiteness imitation jade polished tile with more vivid jade texture and stronger layering is obtained after the high-whiteness imitation jade polished tile is subjected to material distribution, pressing, sintering and polishing treatment, and the high-whiteness imitation jade polished tile mainly comprises the following characteristics:
(1) the limit of the formula process of the existing jade-like polished brick is broken through, the high-temperature material and the high-white transparent material are mixed by adjusting the reasonable proportion, the high-white transparent material has good low-temperature high-white melting property, and the high-temperature material matched with the high-temperature material is combined, so that the vivid jade sense of the high-white transparent material is supported, the page layering sense is greatly enriched, and the whiteness of a green brick after being fired can reach more than 60 ℃;
(2) by utilizing a component formula system of the high-temperature material and the high-white transparent material which are matched with each other, the problems that the traditional jade-like polished tile is easy to generate karst caves, impurities, dirt absorption and the like due to the combination of the high-temperature material and the high-white transparent material are effectively solved, and the surface of the tile is free of the karst caves and has better antifouling performance;
(3) by introducing the lithium-containing element component into the high-whiteness transparent material, the trouble that a high-radiation raw material zirconium silicate must be added in a traditional high-whiteness formula is solved, the radiation of a traditional high-whiteness ceramic tile to a human body is avoided, and the high-whiteness transparent material is more environment-friendly and healthy;
(4) the green brick can be polished by a soft grinding head, and the glossiness of the green brick can reach 30 degrees, so that the green brick has finer touch feeling, more vivid and natural jade effect and soft vision, and gives people a feeling of being warm and moist like jade.
Further explaining, the high-temperature material comprises the following raw materials in percentage by mass: 15-25% of clay, 20-23% of medium temperature sand, 12-16% of terrazzo powder, 10-20% of feldspar, 15-18% of high temperature sand, 15-25% of quartz, 2-3% of talc and 0.3-0.5% of sodium tripolyphosphate;
the high-whiteness transparent material comprises the following raw materials in percentage by mass: 15-25% of clay, 8-12% of medium temperature sand, 18-22% of water-milled high-potassium stone powder, 15-30% of feldspar, 13-17% of Jiangxi high-lithium white sand, 10-25% of quartz, 2-3% of talc, 3-5% of calcite and 0.3-0.5% of sodium tripolyphosphate.
The raw materials of the high-temperature material and the high-white transparent material are combined with each other, so that the vivid jade feeling of the high-white transparent material is further more prominent, the whiteness of the high-white transparent material is required to be controlled within a certain range, and a certain amount of high-lithium white sand and other components are introduced into the high-white transparent material, so that the whiteness of a green brick can be improved, and a zirconium silicate element with radioactivity is replaced, so that the green brick is more environment-friendly and healthy while a better brick surface effect is achieved.
Further, the grain composition of the mixed powder comprises the following components in percentage by mass: less than 1% of powder with a particle size of 20 meshes, 35-45% of powder with a particle size of 40 meshes, 50-60% of powder with a particle size of 80 meshes, and less than 3% of powder with a particle size of more than 100 meshes.
After the high-temperature material and the high-whiteness transparent material are mixed to form mixed powder, the mixed powder with different particle sizes in a certain proportion is uniformly mixed by further setting the particle size distribution characteristics of the mixed powder, so that the layering sense of the brick blank is improved, the brick blank is more vivid and natural, the density of the brick blank after being fired is better, and the antifouling performance and the overall strength of the brick blank are improved.
Further, the water content of the mixed powder is 6.3-7.4%.
By controlling a certain water content of the mixed powder, the green brick has better strength after being pressed, formed and sintered at high temperature, and the generation of karst caves is avoided.
Further explaining, the chemical components of the high-temperature material comprise the following components in percentage by mass: 73.07% SiO2、17.51％Al2O3、0.35％CaO、0.53％MgO、1.12％K2O、3.93％Na2O、0.25％Fe2O3、0.01％TiO2And 3.23% loss on ignition; the high-whiteness transparent material comprises the following chemical components in percentage by mass: 69.64% SiO2、17.06％Al2O3、1.35％CaO、1.23％MgO、3.16％K2O、4.28％Na2O、0.38％LiO2、0.16％Fe2O3、0.01％TiO2And 2.73% loss on ignition.
A preparation method of a high-whiteness imitation jade polished tile comprises the following steps:
(1) preparing mixed powder: weighing and preparing raw materials of a high-temperature material and a high-whiteness transparent material according to a ratio, respectively performing ball milling to obtain slurry, and performing spray drying to obtain high-temperature powder and high-whiteness transparent powder; homogenizing and ageing the high-temperature powder and the high-white transparent powder, and then, mixing the high-temperature powder and the high-white transparent powder according to the mass ratio of (40-50): 100 to obtain mixed powder;
(2) distributing the mixed powder, pressing and molding the mixed powder, and sintering the mixed powder at a high temperature to obtain a green brick;
(3) and (3) carrying out surface polishing and edging treatment on the green brick to obtain the high-whiteness imitation jade polished brick.
The preparation method of the high-whiteness jade-like polished brick provided by the invention comprises the steps of preparing a raw material of a high-temperature material and a raw material of a high-whiteness transparent material according to respective proportions, performing ball milling, granulation and ageing on the raw materials, mixing the raw materials according to a certain proportion to obtain uniform and stable mixed powder, preparing a green brick by using the mixed powder, and polishing to obtain the high-whiteness jade-like polished brick.
Further, the fineness of the ball milling in the step (1) is 250 meshes, and the screen residue is 0.9%; the specific gravity of the slurry obtained after ball milling was 1.69, and the flow rate was 60 m/s.
The fineness of the raw material ball milling and the specific gravity of the slurry after ball milling are controlled, so that the slurry has better fluidity, and is more favorable for more uniform particle powder obtained by spray granulation at the later stage, and the particle powder is uniform and stable, so that the mixed powder with different grades can be conveniently obtained.
Further, the homogenization ageing of the high-temperature powder and the high-white transparent powder in the step (1) is carried out for more than or equal to 24 hours in an ageing bin.
Further, the sintering temperature in the step (2) is 1175-1190 ℃.
Example 1-a method of making a high-whiteness simulated jade polished tile, comprising the steps of:
(1) preparing mixed powder: weighing raw materials of a high-temperature material and a high-white transparent material according to a ratio, namely taking 15% of clay, 20% of medium-temperature sand, 12% of terrazzo powder, 10% of feldspar, 18% of high-temperature sand, 21.5% of quartz, 3% of talcum and 0.5% of sodium tripolyphosphate as raw material formulas of the high-temperature material according to mass percentage; the raw material formula of the high-whiteness transparent material comprises 25% of clay, 12% of medium-temperature sand, 19.7% of water-milled high-potassium stone powder, 15% of feldspar, 13% of Jiangxi high-lithium white sand, 10% of quartz, 2% of talcum, 3% of calcite and 0.3% of sodium tripolyphosphate;
respectively carrying out ball milling and sieving on the raw materials of the high-temperature material and the high-whiteness transparent material to obtain slurry, wherein the fineness of ball milling is 250 meshes, and the screen residue is 0.9%; after ball milling, the specific gravity of the obtained slurry is 1.69, and the flow rate is 60 m/s; respectively carrying out spray drying on the slurry to obtain high-temperature powder and high-whiteness transparent powder; homogenizing and ageing the high-temperature powder and the high-white transparent powder in an ageing bin for more than or equal to 24 hours, and then mixing the high-temperature powder and the high-white transparent powder according to a mass ratio of 45: 100 to obtain mixed powder, wherein the water content of the mixed powder is 6.8%;
the grain composition of the mixed powder comprises the following components in percentage by mass: 0.5% of powder with a particle size of 20 meshes, 40.5% of powder with a particle size of 40 meshes, 57% of powder with a particle size of 80 meshes and 2% of powder with a particle size of more than 100 meshes;
(2) distributing the mixed powder by a distributing machine, then performing compression molding by a press, drying the molded blank by a drying kiln, and then putting the dried blank into a firing kiln for high-temperature firing at 1183 ℃ to obtain a green brick with the thickness of 11.3 mm;
(3) and (3) carrying out surface polishing and edging treatment on the green brick by a soft grinding head to obtain the high-whiteness imitation jade polished brick 1.
Example 2-a method of making a high-whiteness simulated jade polished tile, comprising the steps of:
(1) preparing mixed powder: weighing raw materials of a high-temperature material and a high-white transparent material according to a ratio, namely taking 15% of clay, 23% of medium-temperature sand, 12% of terrazzo powder, 16.1% of feldspar, 16% of high-temperature sand, 15% of quartz, 2.5% of talc and 0.4% of sodium tripolyphosphate as a raw material formula of the high-temperature material according to mass percentage; taking 15% of clay, 8% of medium temperature sand, 18.7% of water-milled high-potassium stone powder, 30% of feldspar, 13% of Jiangxi high-lithium white sand, 10% of quartz, 2% of talc, 3% of calcite and 0.3% of sodium tripolyphosphate as raw material formulas of high-white transparent materials;
respectively carrying out ball milling and sieving on the raw materials of the high-temperature material and the high-whiteness transparent material to obtain slurry, wherein the fineness of ball milling is 250 meshes, and the screen residue is 0.9%; after ball milling, the specific gravity of the obtained slurry is 1.69, and the flow rate is 60 m/s; respectively carrying out spray drying on the slurry to obtain high-temperature powder and high-whiteness transparent powder; homogenizing and ageing the high-temperature powder and the high-white transparent powder in an ageing bin for more than or equal to 24 hours, and then mixing the high-temperature powder and the high-white transparent powder according to a mass ratio of 45: 100 to obtain mixed powder, wherein the water content of the mixed powder is 6.8%;
the grain composition of the mixed powder comprises the following components in percentage by mass: 0.5% of powder with a particle size of 20 meshes, 40.5% of powder with a particle size of 40 meshes, 57% of powder with a particle size of 80 meshes and 2% of powder with a particle size of more than 100 meshes;
(2) distributing the mixed powder by a distributing machine, then performing compression molding by a press, drying the molded blank by a drying kiln, and then putting the dried blank into a firing kiln for high-temperature firing at 1183 ℃ to obtain a green brick with the thickness of 11.3 mm;
(3) and (3) carrying out surface polishing and edging treatment on the green brick by a soft grinding head to obtain the high-whiteness imitation jade polished brick 2.
Example 3-a method of making a high-whiteness simulated jade polished tile, comprising the steps of:
(1) preparing mixed powder: weighing the raw materials of the high-temperature material and the high-whiteness transparent material according to the proportion, namely taking 25% of clay, 20% of medium-temperature sand, 12.7% of terrazzo powder, 10% of feldspar, 15% of high-temperature sand, 15% of quartz, 2% of talcum and 0.3% of sodium tripolyphosphate as raw material formulas of the high-temperature material according to mass percentage; taking 15% of clay, 8% of medium temperature sand, 18% of water-milled high-potassium stone powder, 20% of feldspar, 17% of Jiangxi high-lithium white sand, 13.5% of quartz, 3% of talcum, 5% of calcite and 0.5% of sodium tripolyphosphate as raw material formulas of high-whiteness transparent materials;
respectively carrying out ball milling and sieving on the raw materials of the high-temperature material and the high-whiteness transparent material to obtain slurry, wherein the fineness of ball milling is 250 meshes, and the screen residue is 0.9%; after ball milling, the specific gravity of the obtained slurry is 1.69, and the flow rate is 60 m/s; respectively carrying out spray drying on the slurry to obtain high-temperature powder and high-whiteness transparent powder; homogenizing and ageing the high-temperature powder and the high-white transparent powder in an ageing bin for more than or equal to 24 hours, and then mixing the high-temperature powder and the high-white transparent powder according to a mass ratio of 45: 100 to obtain mixed powder, wherein the water content of the mixed powder is 6.8%;
the grain composition of the mixed powder comprises the following components in percentage by mass: 0.5% of powder with a particle size of 20 meshes, 40.5% of powder with a particle size of 40 meshes, 57% of powder with a particle size of 80 meshes and 2% of powder with a particle size of more than 100 meshes;
(2) distributing the mixed powder by a distributing machine, then performing compression molding by a press, drying the molded blank by a drying kiln, and then putting the dried blank into a firing kiln for high-temperature firing at 1183 ℃ to obtain a green brick with the thickness of 11.3 mm;
(3) and (3) carrying out surface polishing and edging treatment on the green brick by a soft grinding head to obtain the high-whiteness imitation jade polished brick 3.
The chemical components of the high-whiteness imitation jade polished tiles obtained in examples 1 to 3 were counted respectively and are shown in the following table 1; random sampling is carried out on the high-white imitation jade polished tiles obtained in the embodiments 1-3, the high-white imitation jade polished tiles obtained in each embodiment are divided into 10 experimental groups, 20 experimenters respectively compare the experimental groups with real jade to judge and distinguish the simulation degree, and finally the accuracy of the judgment is counted;
table 1: chemical component table of different high-white imitation jade polished tiles
Table 2: high white imitation jade polished tile discrimination accuracy of various embodiments
As can be seen from tables 1 and 2, the high-white imitation jade polished tile 2 obtained in example 2 has the lowest discrimination accuracy and the accuracy rate of only about 50% compared to the high-white imitation jade polished tiles of examples 1 and 3, so that the simulation degree is higher, a higher simulation effect is achieved, and the jade texture is more vivid; therefore, by changing the raw material composition, a component formula system of the high-temperature material and the high-white transparent material which are matched with each other is set, so that the problems of karst cave, impurities and dirt absorption are reduced, the fidelity is reduced, and the surface of the ceramic tile has better jade texture and richer layering; in addition, as can be seen from table 1, the high-whiteness transparent material is added with a lithium element component, so that the whiteness of the baked green brick is better, and the visual sense after polishing is softer.
Example 4-a method of making a high-whiteness simulated jade polished tile, comprising the steps of:
(1) preparing mixed powder: weighing raw materials of a high-temperature material and a high-white transparent material according to a ratio, namely taking 15% of clay, 23% of medium-temperature sand, 12% of terrazzo powder, 16.1% of feldspar, 16% of high-temperature sand, 15% of quartz, 2.5% of talc and 0.4% of sodium tripolyphosphate as a raw material formula of the high-temperature material according to mass percentage; taking 15% of clay, 8% of medium temperature sand, 18.7% of water-milled high-potassium stone powder, 30% of feldspar, 13% of Jiangxi high-lithium white sand, 10% of quartz, 2% of talc, 3% of calcite and 0.3% of sodium tripolyphosphate as raw material formulas of high-white transparent materials;
respectively carrying out ball milling and sieving on the raw materials of the high-temperature material and the high-whiteness transparent material to obtain slurry, wherein the fineness of ball milling is 250 meshes, and the screen residue is 0.9%; after ball milling, the specific gravity of the obtained slurry is 1.69, and the flow rate is 60 m/s; respectively carrying out spray drying on the slurry to obtain high-temperature powder and high-whiteness transparent powder; homogenizing and ageing the high-temperature powder and the high-white transparent powder in an ageing bin for more than or equal to 24 hours, and then mixing the high-temperature powder and the high-white transparent powder according to a mass ratio of 40: 100 to obtain mixed powder, wherein the water content of the mixed powder is 6.3%;
the grain composition of the mixed powder comprises the following components in percentage by mass: 0.5% of powder with a particle size of 20 meshes, 37.5% of powder with a particle size of 40 meshes, 60% of powder with a particle size of 80 meshes and 2% of powder with a particle size of more than 100 meshes;
(2) distributing the mixed powder by a distributing machine, then performing compression molding by a press, drying the molded blank by a drying kiln, and putting the dried blank into a sintering kiln for high-temperature sintering at 1175 ℃ to obtain a green brick with the thickness of 11.3 mm;
(3) and (3) carrying out surface polishing and edging treatment on the green brick by a soft grinding head to obtain the high-whiteness imitation jade polished brick 4.
Example 5-a method of making a high-whiteness simulated jade polished tile, comprising the steps of:
(1) preparing mixed powder: weighing raw materials of a high-temperature material and a high-white transparent material according to a ratio, namely taking 15% of clay, 23% of medium-temperature sand, 12% of terrazzo powder, 16.1% of feldspar, 16% of high-temperature sand, 15% of quartz, 2.5% of talc and 0.4% of sodium tripolyphosphate as a raw material formula of the high-temperature material according to mass percentage; taking 15% of clay, 8% of medium temperature sand, 18.7% of water-milled high-potassium stone powder, 30% of feldspar, 13% of Jiangxi high-lithium white sand, 10% of quartz, 2% of talc, 3% of calcite and 0.3% of sodium tripolyphosphate as raw material formulas of high-white transparent materials;
respectively carrying out ball milling and sieving on the raw materials of the high-temperature material and the high-whiteness transparent material to obtain slurry, wherein the fineness of ball milling is 250 meshes, and the screen residue is 0.9%; after ball milling, the specific gravity of the obtained slurry is 1.69, and the flow rate is 60 m/s; respectively carrying out spray drying on the slurry to obtain high-temperature powder and high-whiteness transparent powder; homogenizing and ageing the high-temperature powder and the high-white transparent powder in an ageing bin for more than or equal to 24 hours, and then mixing the high-temperature powder and the high-white transparent powder according to a mass ratio of 50: 100 to obtain mixed powder, wherein the water content of the mixed powder is 7.4%;
the grain composition of the mixed powder comprises the following components in percentage by mass: 0.5% of powder with a particle size of 20 meshes, 45% of powder with a particle size of 40 meshes, 52% of powder with a particle size of 80 meshes and 2.5% of powder with a particle size of more than 100 meshes;
(2) distributing the mixed powder by a distributing machine, then performing compression molding by a press, drying the molded blank by a drying kiln, and then putting the dried blank into a sintering kiln for high-temperature sintering at the temperature of 1190 ℃ to obtain a green brick with the thickness of 11.3 mm;
(3) and (3) carrying out surface polishing and edging treatment on the green brick by a soft grinding head to obtain the high-whiteness imitation jade polished brick 5.
Product performance detection
The high-white jade-like polished tile products polished in the above examples 1 to 5 and the existing jade-like tile are respectively subjected to whiteness, glossiness, cave dissolution, antifouling and other performances detection, and the obtained detection results are shown in the following table:
as can be seen from the above table, the high-whiteness jade-like polished brick prepared in examples 1 to 5 has substantially no karst cave on the brick surface after polishing, no dirt absorption is found after ink is applied and the polished brick is wiped, the detected whiteness is 60 degrees or more, the glossiness is more than 30 degrees, the brick surface has strong layering, the vision is soft, and the polished brick has vivid jade texture.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. A brick blank of a high-whiteness jade-like polished brick is characterized in that: the green brick is formed by pressing mixed powder consisting of a high-temperature material and a high-whiteness transparent material, wherein the mass ratio of the high-temperature material to the high-whiteness transparent material is (40-50): 100, respectively;
the high-temperature material comprises the following chemical components in percentage by mass: 70-74% SiO2、17～19％Al2O3、0.1～0.5％CaO、0.5～1％MgO、1～2％K2O、3～5％Na2O、≤0.5％Fe2O3、≤0.1％TiO2And 3-5% loss on ignition; the high-whiteness transparent material comprises the following chemical components in percentage by mass: 68-72% SiO2、17～19％Al2O3、1～2％CaO、1～2％MgO、2～4％K2O、3～5％Na2O、0.2～1％LiO2、≤0.5％Fe2O3、≤0.1％TiO2And 2-4% loss on ignitionAn amount;
the high-temperature material comprises the following raw materials in percentage by mass: 15-25% of clay, 20-23% of medium temperature sand, 12-16% of terrazzo powder, 10-20% of feldspar, 15-18% of high temperature sand, 15-25% of quartz, 2-3% of talc and 0.3-0.5% of sodium tripolyphosphate;
the high-whiteness transparent material comprises the following raw materials in percentage by mass: 15-25% of clay, 8-12% of medium temperature sand, 18-22% of water-milled high-potassium stone powder, 15-30% of feldspar, 13-17% of Jiangxi high-lithium white sand, 10-25% of quartz, 2-3% of talc, 3-5% of calcite and 0.3-0.5% of sodium tripolyphosphate.
2. The tile blank of the high-whiteness imitation jade polished tile according to claim 1, wherein: the grain composition of the mixed powder comprises the following components in percentage by mass: less than 1% of powder with a particle size of 20 meshes, 35-45% of powder with a particle size of 40 meshes, 50-60% of powder with a particle size of 80 meshes, and less than 3% of powder with a particle size of more than 100 meshes.
3. The tile blank of the high-whiteness imitation jade polished tile according to claim 1, wherein: the water content of the mixed powder is 6.3-7.4%.
4. The tile blank of the high-whiteness imitation jade polished tile according to claim 1, wherein: the high-temperature material comprises the following chemical components in percentage by mass: 73.07% SiO2、17.51％Al2O3、0.35％CaO、0.53％MgO、1.12％K2O、3.93％Na2O、0.25％Fe2O3、0.01％TiO2And 3.23% loss on ignition; the high-whiteness transparent material comprises the following chemical components in percentage by mass: 69.64% SiO2、17.06％Al2O3、1.35％CaO、1.23％MgO、3.16％K2O、4.28％Na2O、0.38％LiO2、0.16％Fe2O3、0.01％TiO2And 2.73% loss on ignition.
5. A method for producing the high-whiteness imitation jade polished tile according to any one of claims 1 to 4, comprising: the method comprises the following steps:
(1) preparing mixed powder: weighing and preparing raw materials of a high-temperature material and a high-whiteness transparent material according to a ratio, respectively performing ball milling to obtain slurry, and performing spray drying to obtain high-temperature powder and high-whiteness transparent powder; homogenizing and ageing the high-temperature powder and the high-white transparent powder, and then, mixing the high-temperature powder and the high-white transparent powder according to the mass ratio of (40-50): 100 to obtain mixed powder;
(2) distributing the mixed powder, pressing and molding the mixed powder, and sintering the mixed powder at a high temperature to obtain a green brick;
(3) and (3) carrying out surface polishing and edging treatment on the green brick to obtain the high-whiteness imitation jade polished brick.
6. The method for preparing a high-whiteness imitation jade polished tile according to claim 5, wherein the method comprises the following steps: the fineness of the ball milling in the step (1) is 250 meshes, and the screen residue is 0.9%; the specific gravity of the slurry obtained after ball milling was 1.69, and the flow rate was 60 m/s.
7. The method for preparing a high-whiteness imitation jade polished tile according to claim 5, wherein the method comprises the following steps: the homogenization ageing of the high-temperature powder and the high-white transparent powder in the step (1) is carried out for more than or equal to 24 hours in an ageing bin.
8. The method for preparing a high-whiteness imitation jade polished tile according to claim 5, wherein the method comprises the following steps: the sintering temperature in the step (2) is 1175-1190 ℃.
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| CN113135734B (en) * | 2021-04-28 | 2023-03-17 | 景德镇陶瓷大学 | Colored glaze stoneware tile and preparation method thereof |
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| CN1927763A (en) * | 2006-09-19 | 2007-03-14 | 关润启 | High-white transparent material formulation and manufacture method of crystal full transparency polishing brick |
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| CN100528799C (en) * | 2006-05-11 | 2009-08-19 | 霍镰泉 | Super-white polished brick |
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| EP3165989A2 (en) * | 2015-10-13 | 2017-05-10 | Ditter Plastic GmbH + Co. KG | Functional element and method for producing same |
| CN105777089A (en) * | 2016-04-01 | 2016-07-20 | 蒙娜丽莎集团股份有限公司 | Light-permeable tile and preparation method thereof |
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