CN113999054B - Crystal-drilled marble porcelain tile and preparation method thereof - Google Patents
Crystal-drilled marble porcelain tile and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/04—Frit compositions, i.e. in a powdered or comminuted form containing zinc
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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Abstract
The invention discloses a crystal-drilled marble porcelain tile and a preparation method thereof. The preparation method comprises the following steps: applying high-temperature matte surface glaze on the surface of the blank; printing a design pattern on the surface of the blank after the high-temperature matte surface glaze is applied in an ink-jet manner; spraying a fixing agent on the surface of the blank after the design pattern is printed by ink jet and positioning crystal distribution drill dry particles; transparent glaze polishing is carried out on the surface Shi Gao of the blank after crystal distribution and dry grain drilling; and sintering and polishing the blank body subjected to Gao Touming glaze polishing to obtain the crystal-drilled marble porcelain brick. The crystal-diamond marble porcelain tile has a pore-free vitrified surface, high glaze glossiness and crystal-diamond three-dimensional effect.
Description
Technical Field
The invention relates to the field of architectural ceramics, in particular to a crystal-drilled marble porcelain tile and a preparation method thereof.
Background
The natural characteristics of the natural stone in design, texture and presentation form make it have great advantages in modern decoration. However, as the mining activities are continuously carried out, natural mineral resources are increasingly deficient, and various artificial stones are exposed in decoration applications. The continuous improvement of living standard of people prompts consumers to put forward further requirements on the surface appearance and the internal texture of the artificial stone, for example, the artificial stone surface is expected to have a shining crystal effect similar to natural stone so as to make the ceramic product glitter and starlight. Therefore, the production of glittering grain products such as natural stone like isomorphous sand is one of the pursued directions in the decorative and building material industry.
The preparation method of the full-polishing glittering crystal sand glazed ceramic tile disclosed by the Chinese patent CN110078501A is characterized in that glittering particles and marble polishing are mixed into glaze, the glaze is applied to the surface of a green body through glaze spraying or glaze spraying, and the random distribution of the glaze enables part of particles of the glittering particles to be exposed on the surface of the ceramic tile. However, due to the high initial melting temperature and high hardness of the glittering particles, the glittering particles are difficult to melt and flow flat in the firing process, and cannot be polished to have a pure mirror polishing and transparency effect like transparent glaze at adjacent regions, so that the polished surface of the product looks like having numerous speckles, pits and other particle decorations, and the visual appearance is like flaws and spots of blocked fine pores, thereby affecting the overall surface effect. The method for manufacturing the porcelain plate with the glittering grain effect disclosed by the Chinese patent CN112811939A adopts a flat laying device or a carving roller type partitioning device to distribute mixed dry grains containing glittering grains and transparent dry grains to form a glittering grain layer, and then a transparent glaze layer is arranged on the glittering grain layer to obtain the porcelain plate with the glittering grain effect. The method has the advantages of large using amount of the flash crystal grains, high cost and single surface effect.
Disclosure of Invention
Aiming at the problems, the invention provides a crystal-drilled marble porcelain tile and a preparation method thereof.
In a first aspect, the invention provides a preparation method of a crystal-drilled marble porcelain tile. The preparation method comprises the following steps:
applying high-temperature matte surface glaze on the surface of the blank;
printing a design pattern on the surface of the blank after the high-temperature matte surface glaze is applied in an ink-jet manner;
spraying a fixing agent on the surface of the blank after the design pattern is printed by ink jet and positioning crystal distribution drill dry particles;
transparent glaze polishing is carried out on the surface Shi Gao of the blank body after crystal distribution and dried grain drilling;
and sintering and polishing the blank body subjected to Gao Touming glaze polishing to obtain the crystal-drilled marble porcelain brick.
Preferably, the chemical composition of the dry crystal grain comprises: loss on ignition by mass percent: 1.1-3.6% of SiO 2 ：15.2～25.6％、ZrO 2 ：65.3～75.6％、HfO 2 ：0.5～5.5％、MgO：3.8～8.2％。
Preferably, the grain size of the crystal drilling dry grains is 180-380 microns.
Preferably, the application amount of the crystal drilling dry particles is 100-300 g/m 2 。
Preferably, the chemical composition of the high-transparency polished glaze comprises: by mass percent, siO 2 ：50.3～60.5％、Al 2 O 3 :10.4 to 16.3%, alkaline earth metal oxide: 10.1 to 21.0%, alkali metal oxide: 3.4 to 8.5%, znO: 3.7-7.6% of B 2 O 3 ：3.2～6.6％。
Preferably, the application mode of the high-transparency polished glaze is glaze pouring, and the specific gravity of the high-transparency polished glaze is 1.82-1.86 g/cm 3 The application amount is 550 to 750g/m 2 。
Preferably, the chemical composition of the high-temperature matte overglaze comprises: in terms of mass percent, siO 2 ：54.6～62.8％、Al 2 O 3 :18.3 to 24.5%, alkaline earth metal oxide: 2.4 to 7.9%, alkali metal oxide: 3.4 to 9.2 percent of ZrO 2 ：4.8～10.7％。
Preferably, the high-temperature matte overglaze is applied in a glaze spraying mode, and the specific gravity of the overglaze is 1.42-1.46 g/cm 3 The application amount is 600 to 800g/m 2 。
Preferably, the initial melting temperature of the high-transparency polished glaze is 1020-1060 ℃.
In a second aspect, the present invention provides a crystal-drilled marble porcelain tile obtained by any one of the above-mentioned preparation methods.
Drawings
FIG. 1 is a view showing the brick surface effect of the crystal-diamond marble porcelain brick of the present invention;
FIG. 2 is a diagram showing the effect of the brick surface of crystal-applied dry particles of screen-printed cloth;
FIG. 3 is a diagram showing the effect of the brick surface with crystal drill grains protruding from the glaze polishing layer.
Detailed Description
The present invention is further illustrated by the following examples, which are to be understood as merely illustrative of, and not restrictive on, the present invention. Unless otherwise specified, each percentage refers to a mass percentage.
The following is an exemplary description of the method for preparing the crystal-drilled marble porcelain tile of the present invention.
And pressing and molding the blank powder to obtain the blank. The chemical components of the green body powder are not limited, and the green body formula commonly used in the field can be adopted. The blank is preferably a full body blank. For example, the powder of the blank is fixed-point positioned and distributed and pressed to form the whole blank with completely consistent bottom texture.
Applying high-temperature matte surface glaze on the surface of the blank. The high-temperature matte overglaze comprises the following chemical components: by mass percent, siO 2 ：54.6～62.8％、Al 2 O 3 :18.3 to 24.5%, alkaline earth metal oxide: 2.4 to 7.9%, alkali metal oxide: 3.4 to 9.2 percent of ZrO 2 :4.8 to 10.7 percent. Compared with the common zirconium white overglaze, the high-temperature matte overglaze with the chemical composition is beneficial to coloring ink and forms contrast with the flash effect of the crystal dry grains, so that the crystal dry grains show a crystal clear crystal decoration effect on the glaze polishing layer.
By way of example, the chemical composition of the high-temperature matte overglaze comprises: loss on ignition by mass percent: 0.5-4.5% of SiO 2 ：54.6～62.8％、Al 2 O 3 ：18.3～24.5％、CaO：0.5～1.3％、MgO：0.5～0.8％、BaO：1.4～5.8％、Na 2 O：0.1～3.6％、K 2 O：3.3～5.6％、ZrO 2 ：4.8～10.7％。
The application mode of the high-temperature matte overglaze can be glaze spraying. In some embodiments, the high temperature matte overglaze has a specific gravity of 1.42 to 1.46g/cm 3 The application amount is 600-800 g/m 2 . The high-temperature matte overglaze has higher application amount, and can reduce the influence of the whole body blank on the color of the ink-jet pattern. In some embodiments, the high temperature matte overglaze has an overglaze layer thickness of 0.2-0.4 mm.
And (4) carrying out ink-jet printing on the surface of the blank body after the high-temperature matte overglaze is applied with a design pattern. Can restore the texture of rare marbles, and has more delicate layers.
And spraying a fixing agent on the surface of the blank after the design pattern is printed by ink jet, and positioning the crystal distribution drill dry particles. The fixer may be sprayed and the driers may be distributed using a driers so that the driers are decorated on the inkjet pattern layer. The application position of the crystal drill dry particles can be adjusted according to the ink-jet pattern adaptability, so that the texture effect of the crystal drill dry particles is changed.
The chemical components of the crystal drill dry particles comprise: loss on ignition by mass percent: 1.1-3.6% of SiO 2 ：15.2～25.6％、ZrO 2 ：65.3～75.6％、HfO 2 :0.5 to 5.5%, mgO:3.8 to 8.2 percent. According to the invention, the diamond luster component is directly prepared into dry particles, so that the silicon oxide content is reduced, the zirconium oxide content is increased, the influence of the crystal diamond dry particles on the glaze polishing component is favorably reduced, and the production process is more stable.
The raw material composition of the crystal drill dry particles comprises: by mass percentage, 65-75% of zirconia, 10-20% of quartz, 0.5-6% of hafnium oxide and 10-15% of calcined talc. The crystal drill dry grains mainly adopt zirconium oxide, quartz and hafnium oxide, and a proper amount of burnt talc is added as a stabilizer, the stabilizer promotes the zirconium oxide to be converted into stable cubic zirconium oxide crystals from monoclinic crystals through high temperature action in the preparation process of the dry grains, crystal drill luster is formed on the surface, crystal form conversion does not occur in the sintering process, and the crystal drill luster is not fused with transparent glaze polishing, so that crystal drill stereoscopic effect is presented in the glaze polishing layer. If the diamond luster component and other dry particles (common dry particles) are mixed for use, the diamond luster component is brought into and fused into the glaze layer, the proportion of the glaze polishing component is changed, and the luster effect of the diamond is influenced. The invention directly prepares the diamond luster component into dry particles, and can reduce the influence of the crystal diamond dry particle component on the glaze polishing component.
When preparing the crystal drill dry particles, weighing the raw materials according to the proportion, putting the raw materials into a smelting furnace, preserving the temperature for more than 10 hours at the temperature of 1400-1500 ℃, melting the raw materials into glass liquid, cooling and processing the glass liquid into granular crystal drill dry particles.
The grain diameter of the crystal drilling dry grains is 180-380 micrometers (the number of meshes of the corresponding screen is 40-80 meshes). The grain diameter of the crystal drill dry grains is less than 180 micrometers, and the crystal drill three-dimensional effect is not obvious. In addition, the crystal drill dry particles contain very stable cubic zirconia crystals, and are not fused with transparent glaze polishing at high temperature, if the particle size of the crystal drill dry particles is larger than 380 micrometers, the crystal drill dry particles at local positions are too many to expose a glaze polishing layer, and the crystal drill stereoscopic effect is poor.
The amount of applied drierite can be adapted to the ink jet pattern. In addition, by locally positioning and distributing the dried crystal particles, the application amount of the dried crystal particles can be appropriately controlled.
The application amount of the crystal drill dry particles is 100-300 g/m 2 . If the application amount of the crystal drill dry grains is less than 100g/m 2 The crystal drilling effect is not obvious; if the application amount of the crystal drilling dry grains is more than 300g/m 2 Therefore, the crystal drill at the local position has more dry grains and the glaze polishing layer is exposed, which affects the crystal drill effect.
The fixing agent is used for fixing the crystal drill dry grains on the blank glaze. The fixing agent is completely burnt out at about 300 ℃, so that carbon deposits can not be left on the glaze, the color is not influenced, and the defects of glaze pinholes and the like are not generated. The fixing agent comprises the following raw materials: 5 to 10 parts of high molecular polymer, 20 to 30 parts of solvent, 2 to 5 parts of ink discharging agent and 100 to 110 parts of water. The high molecular polymer includes but is not limited to epoxy resin, polyvinyl butyral, sodium polyacrylate, and carboxymethyl cellulose. The solvent is one or more of methanol, ethylene glycol, glycerol and diethylene glycol. The ink discharging agent has the function of enabling crystal drill dry particles and glaze polishing to be suitable for ink-jet patterns with deep ink.
After distributing the crystal drill dry particles, the air pipe can be used for blowing off the crystal drill dry particles at the positions where the fixing agent is not sprayed, so that positioning distribution is realized.
And (3) performing transparent polishing on the surface Shi Gao of the blank after crystal distribution and dried grain drilling.
The chemical components of the high-transparency polished glaze comprise: in terms of mass percent, siO 2 ：50.3～60.5％、Al 2 O 3 :10.4 to 16.3%, alkaline earth metal oxide: 10.1 to 21.0%, alkali metal oxide: 3.4 to 8.5%, znO: 3.7-7.6% of B 2 O 3 :3.2 to 6.6 percent. In some embodiments, the chemical composition of the highly transparent polished glaze comprises: loss on ignition by mass percent: 5.1 to 8.7 percent of SiO 2 ：50.3～60.5％、Al 2 O 3 ：10.4～16.3％、CaO：5.5～10.3％、MgO：2.8～6.2％、K 2 O：1.1～3.4％、Na 2 O：2.3～5.1％、ZnO：3.7～7.6％、SrO：1.8～4.5％、B 2 O 3 :3.2 to 6.6 percent. By introducing strontium oxide and boron oxide into the high-transparency polished glaze, the glaze surface is more transparent. In the sintering process, barium oxide is easy to crystallize, and boron oxide is not easy to crystallize, so that barium oxide is omitted, and boron oxide is introduced to make the polished glaze layer more transparent. In addition, the content of silicon oxide and potassium oxide is increased properly, and more glass phases are generated in the glaze-polished state at high temperature. The high-transparency polished glaze with the composition increases the glazing amount of the polished glaze, prevents glaze from frosting, and keeps good permeability. If the common polished glaze is used for replacing the high-transparency polished glaze and is combined with the crystal drilling dry grains, only a few white spots are seen on the brick surface of the crystal drilling marble porcelain brick, and the crystal drilling effect is poor.
The high-transparency polished glaze comprises the following raw materials: 30-40% of albite, 10-16% of potassium feldspar, 10-14% of calcite, 4-8% of quartz, 4-8% of zinc oxide, 4-8% of borax, 2-5% of strontium carbonate, 5-10% of calcined kaolin, 5-10% of kaolin and 4-8% of calcined talc in percentage by mass. Strontium carbonate and borax are introduced into the polished glaze to play a role in high-temperature fluxing, so that pores generated during sintering of the polished glaze are reduced, the light transmittance is enhanced, and the transparency of the polished glaze is improved.
If strontium carbonate and borax are introduced in the form of a frit to improve the transparency of the glaze, the large amount of other components contained in the frit may make adjustment of the glaze difficult. The glaze polishing of the invention adopts raw materials, the formula is more stable, and the adjustment of the transparency is more rapid.
The initial melting temperature of the high-transparency polished glaze is 1020-1060 ℃. If the initial melting temperature of the glaze polishing is higher, the transparency of the polished glaze is not enough, and the crystal drill dry particle flashing effect is influenced. The initial melting temperature of the glaze polishing is too low, and the glaze defects such as air bubbles and the like are easily generated in the glaze polishing, so that the crystal drill dry particle flashing effect is also influenced.
Weighing the raw materials of the high-transparency polished glaze according to the proportion, and performing ball milling processingThe prepared glaze slip is aged for standby. The specific gravity of the glaze slip of the high-transparency polished glaze is 1.85-1.90 g/cm 3 The fineness of the 325-mesh net is 0.2-0.5 wt%. For example, the flow rate of the glaze slurry is 50 to 100 seconds (about 3.5mm pore cup).
The application mode of the high-transparency glaze polishing is glaze pouring. It is noted that the high transparency glaze of the present invention needs to have high permeability to avoid the application of a large amount of glaze to make the glaze hazy or not transparent enough to affect the crystal drilling effect. The prior glaze polishing is generally a matte surface, and the application amount is usually 400-500 g/m 2 Left and right. The application amount of the high-transparency polished glaze is 30-50% more than that of the conventional polished glaze. In some embodiments, the high transparent polished glaze has a specific gravity of 1.82 to 1.86g/cm 3 The application amount is 550 to 750g/m 2 . The glazing process for the high-transparency glaze polishing can realize full coverage of the crystal drill dry grains, ensure the close combination of the crystal drill dry grains and the glaze polishing and ensure the three-dimensional effect of the crystal drill dry grains. If the application amount of the high-transparency glaze polishing is too small, the crystal drill dry particles are not completely covered, and the crystal drill dry particles are exposed outside the glaze polishing layer to influence the crystal drill stereoscopic effect of the brick surface. The thickness of the high-transparency polished glaze layer formed by the high-transparency polished glaze can be 0.6-0.8 mm.
And (5) firing. In some embodiments, the firing cycle is 50 to 60 minutes and the maximum firing temperature is 1205 to 1235 ℃. And polishing, edging and packaging in stages to obtain the crystal-drilled marble porcelain brick. The polished brick surface forms a pore-free vitrified surface, the glaze gloss is 90-110 degrees, such as 100 degrees, the crystal diamond three-dimensional effect is achieved, and the pollution resistance is grade 5.
The present invention will be described in detail by way of examples. It is also to be understood that the following examples are illustrative of the present invention and are not to be construed as limiting the scope of the invention, and that certain insubstantial modifications and adaptations of the invention by those skilled in the art may be made in light of the above teachings. The specific process parameters and the like of the following examples are also only one example of suitable ranges, i.e., those skilled in the art can select the appropriate ranges through the description herein, and are not limited to the specific values exemplified below.
Example 1
The preparation method of the crystal-drilled marble porcelain tile comprises the following steps:
step 1, positioning and distributing powder of a blank at a fixed point, and performing compression molding to form a whole blank with completely consistent bottom texture;
step 2, applying high-temperature matte surface glaze on the surface of the whole body blank; the specific gravity of the high-temperature matte overglaze is 1.42g/cm 3 The application amount is 650g/m 2 (ii) a The high-temperature matte overglaze comprises the following chemical components: loss on ignition by mass percent: 3.8% of SiO 2 ：58.2％、Al 2 O 3 20.3％、CaO：0.7％、MgO：0.6％、BaO：3.2％、Na 2 O：1.6％、K 2 O：4.2％、ZrO 2 :7.0 percent; step 3, ink-jet printing a design pattern on the surface of the blank after the high-temperature matte overglaze is applied;
step 4, spraying a fixing agent on the ink-jet design pattern by using a dry granulation machine and then positioning and distributing crystal drill dry granules; the raw material composition of the crystal drill dry particles comprises: by mass percentage, 70% of zirconium oxide, 16% of quartz, 2% of hafnium oxide and 12% of calcined talc; the chemical components of the crystal drill dry grains comprise: loss on ignition by mass percent: 1.2% SiO 2 ：21.5％、ZrO 2 ：70.3％、HfO 2 :2.2%, mgO:4.6 percent; the fixing agent comprises the following raw materials: 8 parts of high molecular polymer, 25 parts of solvent, 3 parts of ink discharging agent and 100 parts of water in parts by weight; the application amount of the dry crystal drill grains is 212g/m 2 ；
Step 5, gao Touming glaze polishing is applied to the blank after Shi Jingzuan dry particle glaze; the high-transparency polished glaze comprises the following raw materials: 35% of albite, 12% of potash feldspar, 12% of calcite, 6% of quartz, 6% of zinc oxide, 5% of borax, 3% of strontium carbonate, 8% of calcined kaolin, 8% of kaolin and 5% of calcined talc in percentage by mass; the chemical components of the high-transparency polished glaze comprise: loss on ignition by mass percent: 6.56% and SiO 2 ：54.9％、Al 2 O 3 ：10.8％、CaO：7.53％、MgO：3.56％、K 2 O：1.14％、Na 2 O：3.56％、ZnO：5.55％、SrO：2.11％、B 2 O 3 :4.23 percent; high transparent polishingThe application mode of the glaze is bell jar pouring glaze; the application amount of the high-transparency polished glaze is 650g/m 2 Specific gravity of 1.84g/cm 3 ；
Step 6, putting the blank body subjected to Gao Touming glaze polishing into a roller kiln for rapid firing, wherein the firing period is 55 minutes, and the maximum firing temperature is 1223 ℃;
and 7, polishing, edging, and packaging in a grading manner.
As can be seen from fig. 1, the vitrified surface without pores is formed on the brick surface of the crystal-diamond marble porcelain brick obtained in example 1, the glaze glossiness is 100 degrees, and the crystal-diamond stereoscopic effect is good. The crystal-drilled marble porcelain tile has a contamination resistance level of 5.
Comparative example 1
The preparation method of the crystal-drilled marble porcelain tile comprises the following steps:
step 1, positioning and distributing powder of a blank at a fixed point, and performing compression molding to form a whole blank with completely consistent bottom texture;
step 2, applying high-temperature matte surface glaze on the surface of the whole body blank; the specific gravity of the high-temperature matte overglaze is 1.42g/cm 3 The application amount is 650g/m 2 (ii) a The high-temperature matte overglaze comprises the following chemical components: loss on ignition by mass percent: 3.8% of SiO 2 ：58.2％、Al 2 O 3 20.3％、CaO：0.7％、MgO：0.6％、BaO：3.2％、Na 2 O：1.6％、K 2 O：4.2％、ZrO 2 ：7.0％；
Step 3, ink-jet printing a design pattern on the surface of the blank after the high-temperature matte overglaze is applied;
step 4, distributing crystal drill dry particles on the surface of the blank after the design pattern is printed by ink jet in a screen printing mode; the raw material composition of the crystal drill dry particles comprises: by mass percentage, 70% of zirconium oxide, 16% of quartz, 2% of hafnium oxide and 12% of calcined talc; the chemical components of the crystal drill dry grains comprise: loss on ignition by mass percent: 1.2% SiO 2 ：21.5％、ZrO 2 ：70.3％、HfO 2 :2.2%, mgO:4.6 percent; the fixing agent comprises the following raw materials: 8 parts of high molecular polymer, 25 parts of solvent, 3 parts of ink discharging agent and 100 parts of water in parts by weight; the application amount of the dry crystal drill grains is 212g/m 2 ；
Step 5, gao Touming glaze polishing is applied to the blank after Shi Jingzuan dry particle glaze; the high-transparency polished glaze comprises the following raw materials: 35% of albite, 12% of potash feldspar, 12% of calcite, 6% of quartz, 6% of zinc oxide, 5% of borax, 3% of strontium carbonate, 8% of calcined kaolin, 8% of kaolin and 5% of calcined talc in percentage by mass; the chemical components of the high-transparency polished glaze comprise: loss on ignition by mass percent: 6.56% of SiO 2 ：54.9％、Al 2 O 3 ：10.8％、CaO：7.53％、MgO：3.56％、K 2 O：1.14％、Na 2 O：3.56％、ZnO：5.55％、SrO：2.11％、B 2 O 3 :4.23 percent; the application mode of the high-transparency glaze polishing is bell jar glaze pouring; the application amount of the high-transparency polished glaze is 650g/m 2 Specific gravity of 1.84g/cm 3 ；
Step 6, putting the blank body subjected to Gao Touming glaze polishing into a roller kiln for rapid firing, wherein the firing period is 55 minutes, and the maximum firing temperature is 1223 ℃;
and 7, polishing, edging, and packaging in grades.
As can be seen from figure 2, the obtained crystal drilling marble porcelain tile has obvious brick surface grid print and unsatisfactory texture effect. The reason is that: in order to make the dry crystal grains penetrate through the screen, the aperture of the screen must be larger than the grain size of the dry crystal grains, which results in obvious grid printing and distorted texture.
Comparative example 2
Essentially the same as example 1, except that:
and 4, the grain diameter of the crystal drill dry grains is larger than 380 microns or the dosage of the dry grains is excessive.
As can be seen from fig. 3, the crystal-drilled dry particles on the surface of the crystal-drilled marble porcelain brick protrude from the glaze polishing layer, and the crystal-drilled particles like spots are formed on the surface of the brick, so that the crystal-drilled effect is poor.
Claims (8)
1. The preparation method of the crystal-drilled marble porcelain tile is characterized by comprising the following steps:
applying high-temperature matte surface glaze on the surface of the blank;
printing a design pattern on the surface of the blank after the high-temperature matte surface glaze is applied in an ink-jet manner;
spraying a fixing agent on the surface of the blank after the design pattern is printed by ink jet and positioning crystal distribution drill dry particles; the raw material composition of the crystal drill dry particles comprises: by mass percent, 65-75% of zirconia, 10-20% of quartz, 0.5-6% of hafnium oxide and 10-15% of calcined talc; the application amount of the dry crystal drill grains is 100-300 g/m 2 ；
Transparent glaze polishing is carried out on the surface Shi Gao of the blank body after crystal distribution and dried grain drilling; the chemical components of the high-transparency polished glaze comprise: loss on ignition by mass percent: 5.1 to 8.7 percent of SiO 2 ：50.3～60.5%、Al 2 O 3 ：10.4～16.3%、CaO：5.5～10.3%、 MgO：2.8～6.2%、K 2 O：1.1～3.4%、Na 2 O：2.3～5.1%、ZnO：3.7～7.6%、SrO：1.8～4.5%、B 2 O 3 :3.2 to 6.6 percent; the specific gravity of the high-transparency polished glaze is 1.82-1.86 g/cm 3 The application amount is 550 to 750g/m 2 ；
And sintering and polishing the blank body subjected to Gao Touming glaze polishing to obtain the crystal-drilled marble porcelain brick.
2. The method according to claim 1, wherein the chemical composition of the dry crystal grain comprises: loss on ignition by mass percent: 1.1-3.6% of SiO 2 ：15.2～25.6%、ZrO 2 ：65.3～75.6%、HfO 2 ：0.5～5.5%、MgO：3.8～8.2%。
3. The method according to claim 1, wherein the grain size of the dry crystal grains is 180 to 380 μm.
4. The preparation method according to claim 1, wherein the high-transparency polished glaze is applied by means of pouring glaze.
5. The preparation method according to claim 1, wherein the chemical composition of the high-temperature matte overglaze comprises: by mass percent, siO 2 ：54.6～62.8%、Al 2 O 3 :18.3 to 24.5%, alkaline earth metal oxide: 2.4 to 7.9%, alkali metal oxide: 3.4 to 9.2 percent of ZrO 2 ： 4.8～10.7%。
6. The preparation method according to claim 1, wherein the high-temperature matte overglaze is applied by glaze spraying and has a specific gravity of 1.42-1.46 g/cm 3 The application amount is 600-800 g/m 2 。
7. The production method according to claim 1, wherein the high-transparency polished glaze has a melting onset temperature of 1020 to 1060 ℃.
8. The crystal-drilled marble porcelain tile obtained by the production method according to any one of claims 1 to 7.
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