CN115340411B - Preparation method of natural jade-like porcelain tile - Google Patents

Preparation method of natural jade-like porcelain tile Download PDF

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CN115340411B
CN115340411B CN202210878918.0A CN202210878918A CN115340411B CN 115340411 B CN115340411 B CN 115340411B CN 202210878918 A CN202210878918 A CN 202210878918A CN 115340411 B CN115340411 B CN 115340411B
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ceramic
dry
glaze
jadeite
meshes
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CN115340411A (en
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赵勇
袁富祥
邓勇军
邱玉鹏
曹普银
汪小刚
秦永杰
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Guangxi Mona Lisa New Material Co ltd
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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
    • 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
    • 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
    • C04B41/45—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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Abstract

According to the preparation method of the natural jadeite-like ceramic tile, cloth is carried out through a press, the jadeite effect is consistent with the surface decoration pattern after the green body is sintered, then the glaze is printed with the jadeite-like effect pattern through ink-jet printing, a plurality of dry grains with the jadeite effect are distributed on the ink-jet printed pattern, the dry grain jadeite effect is completely matched with the ink-jet printing effect, the jadeite effect has 3D three-dimensional effect, the tone is not single, the jadeite effect is rich and colorful, finally the dry grains are sprayed or covered by transparent glaze, the green glaze is sintered at high temperature in a kiln after the glaze line process is finished, and then the bright special jadeite-like tile is obtained through the full polishing process, or the ceramic archaizing tile with the special jadeite effect is not polished; compared with the traditional twice firing process, the method does not need twice firing, has more compact connection between cloth textures and patterns, stronger three-dimensional effect of the patterns, good glaze effect, high product strength and good quality, and is not easy to crack even being placed in a cold-hot alternating environment for a long time.

Description

Preparation method of natural jade-like porcelain tile
Technical Field
The invention relates to the technical field of ceramic tiles, in particular to a preparation method of a natural jade-like ceramic tile.
Background
The ceramic is generally composed of a green body and a glaze, wherein the green body is a main part of the ceramic and is used for firing and forming, and the ceramic has high compressive strength; the glaze is a vitreous thin layer covered on the surface of the green body, has high hardness and high wear resistance, and plays a role in beautifying the surface of the ceramic. With the increasing level of consumption, there is a corresponding increase in both physical and mental demands. The glaze effect and color pattern of the existing porcelain tile are difficult to meet the requirements of consumers, and people prefer diversified products such as individuation, refinement, artistic and the like. The appearance of the natural jadeite-like porcelain tile meets more requirements of users. At present, the preparation method of the jadeite porcelain is to add light green pigment into the raw material of the green body, ball-mill, mold, sinter, apply transparent glaze to the green body after sintering, and perform secondary sintering to obtain the product, and the product can only be shown in daily porcelain at present. In the prior art, the light green pigment is prepared, then the light green pigment is added into the raw materials according to a certain proportion, ball milling is carried out, then sieving is carried out, casting molding is carried out, the green pigment is sintered by oxidizing flame after drying, and transparent glaze is applied after biscuit sintering and then secondary sintering is carried out. The technology can only obtain a finished product through secondary sintering, and the secondary sintering in the ceramic building industry can lead to poor combination of blank glaze, low product strength and easy glaze cracking after being placed in a cold-hot alternating environment for a long time. The primary firing can lead the blank glaze to be tightly combined, the complete vitrification of the blank is obvious, and the glaze effect is better.
The preparation method of the scheme comprises the steps of one-time firing, whole-body color matching green body, surface glaze application, pattern printing, digital glue spraying, different jadeite effect dry grain cloth, shi Fugai glaze firing. One production line can be directly completed without secondary firing, and the glaze effect is better.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a preparation method of the natural-imitation emerald ceramic tile which has simple process, can be burned at one time and has high quality.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the preparation method of the natural jade porcelain-like brick comprises the following steps:
(1) Cloth: the ceramic green body is distributed by a press, two pigments and powder materials are respectively mixed into two color base materials, the weight ratio of the pigment A to the powder materials is 1-3:100 to obtain a base material A, the weight ratio of the pigment B to the powder materials is 1-3:100 to obtain a base material B, and the base material A, the base material B and the powder materials of the non-mixed color base material pressing machine program pattern are subjected to powder material pressing and molding to obtain a jadeite effect color green body;
(2) Coating of overglaze B: uniformly coating the overglaze B on a ceramic color blank with a jadeite effect, so as to obtain a ceramic blank with the overglaze B applied;
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic body with the surface glaze B, and drying to obtain the ceramic body with the transparent glaze;
(4) Ink jet printing: printing patterns on the ceramic body with the transparent glaze in an inkjet mode to obtain an inkjet-printed ceramic body;
(5) Printing digital glue: printing digital glue on the ceramic blank body subjected to ink-jet printing by using a glue drier to obtain a ceramic blank body subjected to digital glue printing;
(6) The dry granules with different jadeite effects are distributed: firstly, shi Gan grains A and dry grains B are distributed on a ceramic blank body printed with digital glue, wherein the weight ratio of the dry grains A to the dry grains B is 2.9-3.1:7; uniformly distributing a layer of dry particles C to obtain a ceramic blank body with the dry particles distributed for the first time;
(7) Applying cover glaze: 1) If the green brick is not polished, uniformly spraying a cover glaze consisting of dry grains D and a ceramic glaze suspending agent on the ceramic green body on which the dry grains are distributed for the first time, so that the brick surface presents a more vivid jade effect; 2) If the ceramic body is completely polished, a layer of dry grains D is uniformly sprayed on the ceramic body which is firstly coated with dry grains, and then transparent glaze is sprayed as cover glaze, wherein the application amount of the transparent glaze is 230-250 g/m 2 ；
(8) Firing: sending the ceramic blank with the cover glaze applied in the step (7) into a sintering process, and sintering to obtain the natural jadeite-like ceramic tile;
wherein the pigment A comprises Cr in percentage by weight 2 O 3 80～90%，CoO 3%～10%，SiO 2 3%～5%；
The pigment B comprises ZrO by weight percent 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 1-5% of O; the overglaze B comprises the following components in percentage by weight 2 50%～55%，Al 2 O 3 30%～35%，CaO 0.5%～1%，MgO 0.5%～1.5%，K 2 O 1%～2%，Na 2 O 3%～5%。ZrO 2 4%～5%；
The dry particles A comprise the following components in percentage by weight: siO (SiO) 2 60%～65%，Al 2 O 3 5%～8%，Na 2 O 2%～5%，CaO 5%～10%，K 2 O 2%～5%，BaO 1%～3%,ZrO 2 2%～6%，ZnO 1%～3%, CdO 0.5%～1%，SO 3 0.5%～2%，PbO0.5%～2%；
The dry particles B comprise the following components in percentage by weight: siO (SiO) 2 55%～60%，Al 2 O 3 10%～15%，Na 2 O 5%～10%，Cr 2 O 3 5%～10%，CaO 3%～8%，K 2 O 3%～8%，MgO 0.5%～2%；
The dry particles C comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 3%～6%，K 2 O 1%～2%，BaO 1%～3%, ZrO 2 5%～8%，MgO 3%～6% ，TiO 2 0.5%～2%，MoO 3 0.5%～2%；
The dry particles D comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 5%～10%，K 2 O 3%～6%，BaO 1%～32%，ZnO 2 1%～4%，SrO 3～6%。
Further, water is sprayed on the outer surface of the ceramic body before the overglaze B is applied in the step (2), and the water spraying amount is 80-100 g/m 2 The glazing quantity of the overglaze B is 480-500 g/m 2 。
Further, the gray scale of the digital glue in the step (5) is 50-60%.
Further, in the step (6), the weight ratio of the dry particles A to the dry particles B is 3:7.
Further, the particle size distribution of the dry particles A is as follows: 90-95% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of less than 120 meshes.
Further, the particle size distribution of the dry particles B is as follows: 90-95% of 40-80 meshes, 5-10% of more than 40 meshes and less than 5% of less than 80 meshes.
Further, the particle size distribution of the dry particles C is as follows: 85-90% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of less than 120 meshes.
Further, the dry D particle size fraction is: 85-90% of 100-200 meshes, 5-10% of more than 100 meshes and less than 5% of less than 200 meshes.
Further, the transparent glaze comprises the following components in percentage by weight 2 45%～50%， Al 2 O 3 10%～15%，Na 2 O 3%～5%，K 2 O 1%～3%，CaO 5%～10%，MgO 1%～5%，ZnO 3%～5% ，SrO 3～6%。
Further, when the finished product is completely polished in the step (8), parameters of the completely polished grinding block are as follows: 240 mesh 6, 320 mesh 8, 400 mesh 8, 600 mesh 12, 800 mesh 8,1000 mesh 5,1500 mesh 5, 2000 mesh 4, 3000 mesh 4.
The preparation method of the natural jade porcelain tile has the following beneficial effects:
1. according to the invention, different dry grain components for imitating the jadeite effect are added, and the specific dry grain components are organically proportioned, so that the purpose of more vivid jadeite effect of a product can be achieved, the jadeite effect and the design elements of the bricks are combined with each other, the jadeite bricks with various three-dimensional effects can be changed through adjustment of design patterns, the surface effect and texture of the bricks are enhanced, the rapid mass production can be realized, and the energy conservation and consumption reduction are realized; compared with the prior art, the method has no special firing curve, can be used for mixed firing with bricks of different brick types and specifications, and has higher production flexibility, convenient popularization and application and strong practicability.
2. The prior art is only a single pattern on the overglaze to imitate the jadeite effect, the scheme is that the glaze layer has a three-dimensional jadeite effect, the tone is not single, the jadeite effect is rich and colorful, the brick surface is richer, more three-dimensional, fine and vivid, and the method can be used in high-grade decoration and meets the requirements of more customers with quality pursuits.
3. The process sequence is that the dry blank is sprayed with water, the overglaze is sprayed, the transparent glaze is sprayed, the ink is sprayed, the glue is sprayed, the dry grains are distributed, the residual dry grains are sucked, the glaze is covered, and the firing is carried out, wherein the combination of design pattern diffusion and the combination of a plurality of emerald dry grains and digital glue is adopted, the emerald effect of the glazed brick surface according to the sequence is brighter, vivid and high in product quality.
4. The common ink-jet design pattern is printed on the overglaze, and the ink-jet design pattern is printed on the transparent glaze, the transparent glaze is more vivid than the overglaze in color development of the ink, the colored particles in the ink have a certain diffusion effect in the molten state of the transparent glaze, so that the developed jadeite effect is more vivid and three-dimensional, and the product quality is high.
According to the preparation method of the natural jadeite-like ceramic tile, cloth is carried out through a press, the jadeite effect is consistent with the surface decoration pattern after the green body is sintered, then the glaze is printed with the jadeite-like effect pattern through ink-jet printing, a plurality of dry grains with the jadeite effect are distributed on the ink-jet printed pattern, the dry grain jadeite effect is completely matched with the ink-jet printing effect, the jadeite effect has 3D three-dimensional effect, the tone is not single, the jadeite effect is rich and colorful, finally the dry grains are sprayed or covered by transparent glaze, the green glaze is sintered at high temperature in a kiln after the glaze line process is finished, and then the bright special jadeite-like tile is obtained through the full polishing process, or the ceramic archaizing tile with the special jadeite effect is not polished; compared with the traditional twice firing process, the method does not need twice firing, has more compact connection between cloth textures and patterns, stronger three-dimensional effect of the patterns, good glaze effect, high product strength and good quality, and is not easy to crack even being placed in a cold-hot alternating environment for a long time.
According to the preparation method of the natural jadeite-like ceramic tile, water is sprayed on the outer surface of a ceramic body before the overglaze B is applied, so that the overglaze can be more tightly combined together, and the defect rate is reduced; in the preparation process of the product, the brick is sprayed with the transparent glaze twice, so the brick shape is relatively similar to that of a common tortoise, and the normal overglaze A (the overglaze A comprises the following components in percentage by weight 2 55%～58%，Al 2 O 3 26%～30%，CaO 0.5%～1%，MgO 0.5%～1.5%，K 2 O 0.5%～1%，Na 2 O 3%～5%，ZrO 2 4% -5%) of the brick shape can deviate from the tortoise, the composition proportion and expansion coefficient of the overglaze are adjusted to obtain overglaze B, the expansion coefficient of the overglaze B is larger than that of overglaze A, the brick shape can be adjusted to be in a standard range after the overglaze B is used, and the defect rate of products can be greatly reduced; the granularity grade ratio of the dry particles A and the dry particles B is limited, the dry particles A and the dry particles B are in a yellow-green tone at the place with lower gray level of the ink-jet printing pattern, and a more lifelike jadeite effect is presented by combining the yellow-green tone with higher gray level of the ink-jet printing pattern, so that the simulation effect is better; the dry particles C mainly increase the jadeite effect and the contrast of patterns of the dry particles, so that the jadeite effect is more vividThe dry particles C show an ultrawhite effect after firing, the granularity grade proportion of the dry particles C is further limited, the jadeite effect of the dry particles and the contrast ratio of patterns are high, no false white exists after firing, the simulation effect is better, and the glaze is more lifelike; the dry particles D are used as the main material of the cover glaze, and the granularity grade proportion of the dry particles D is further limited, so that the dry particles D have good dispersing effect, do not agglomerate, and can show more vivid jadeite effect.
Drawings
FIG. 1 is a graph of the thermal expansion coefficients of a normal overglaze A according to the invention.
FIG. 2 is a graph of the thermal expansion coefficients of overglaze B used in the present invention.
Detailed Description
The following examples will assist those skilled in the art in a more complete understanding of the invention, but are not intended to limit the invention in any way.
The ceramic green body can be prepared from known ceramic raw materials according to a conventional method, or can be prepared from ceramic green body-made powder defined by the application, and the ceramic green body can be prepared by performing the steps of ball milling, powder spraying, granulating, green compact drying and the like on the ceramic raw materials or the ceramic green body-made powder; specifically, the ceramic raw materials used for the ceramic green body in the following examples comprise the following chemical components in percentage by weight: si0 2 ：67%、A1 2 O 3 ：21.5%、K 2 0：3.5%、Na 2 0：2%、MgO：0.5%、CaO：0.3%、Fe 2 O 3 :0.5%, IL:4.7%; the powder material of the fully polished brick blank is sieved by a 250-mesh sieve for 0.6-0.8 percent.
The method has no special firing curve, can be used for co-firing with bricks of different types and specifications, and has higher production flexibility; the firing temperature in the firing step in the following examples was 1200 ℃.
The preparation method of the natural jade porcelain-like brick comprises the following steps of: 1:3, the application amount of the cover glaze consisting of the dry particles D and the ceramic glaze suspending agent is 300-350g/m 2 。
The preparation method of the natural jade porcelain tile comprises the following steps that (1) the composition ratio of powder materials used for preparing a base material A and a base material B is the same as that of a ceramic blank; the base materials A and B are prepared, the jade effect of the sintered green body can be enhanced to be close to the glazed pattern, the jade effect is rich and colorful, the brick surface is finer and more vivid, and the quality of the ceramic tile product is higher.
The preparation method of the natural jade porcelain-like brick comprises the steps that dry powder in the following examples is purchased, dry particle components are various, the dry particle components are required to be prepared when in use, and the dry particle components are generally accurate to a range value and difficult to be accurate to a point value, so that the values used in the following examples are mainly the range value; the used overglaze B and transparent glaze are also obtained by purchasing, and then the components are added and added for preparation, and the component proportion is accurate to the range value.
The present invention will be further illustrated by the following examples. It is to be understood that the following examples are given solely for the purpose of illustration and are not to be construed as limitations upon the scope of the invention, since numerous insubstantial modifications and variations will now occur to those skilled in the art in light of the foregoing disclosure. The specific process parameters and the like described below are also merely examples of suitable ranges, i.e., one skilled in the art can make a suitable selection from the description herein and are not intended to be limited to the specific values described below.
Example 1
The preparation method of the natural jade porcelain-like brick comprises the following steps:
(1) Cloth: the ceramic green body is distributed by a press, two pigments and powder materials are respectively mixed into two color base materials, the weight ratio of the pigment A to the powder materials is 1:100 to obtain a base material A, the weight ratio of the pigment B to the powder materials is 1:100 to obtain a base material B, and the base material A, the base material B and the non-mixed color base material pressing machine program pattern texture distribution powder are pressed and molded to obtain a jade effect color green body;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic body before applying the surface glaze B, wherein the water spraying amount is 80g/m 2 (II), (III), (V), (; uniformly coating overglaze B on the dried ceramic color blank with jadeite effect to obtain an application surfaceA ceramic blank of glaze B; the glazing quantity of the overglaze B is 480g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic body with the surface glaze B, and drying to obtain the ceramic body with the transparent glaze; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink jet printing: printing patterns on the ceramic blank with the transparent glaze in an inkjet mode, selecting jadeite-like patterns, carrying out color mixing through a computer PS, and carrying out inkjet printing after optimizing the colors of the patterns to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank body subjected to ink-jet printing by using a glue drier to obtain a ceramic blank body subjected to digital glue printing; the gray level of the digital glue is 50%; a piece of cloth drying grain and a piece of sucking grain device are arranged behind each piece of digital glue, and the glue drying grain machine is provided with 4 groups of digital glue channels in total;
(6) The dry granules with different jadeite effects are distributed: firstly, shi Gan grains A and dry grains B are distributed on a ceramic blank body printed with digital glue, wherein the weight ratio of the dry grains A to the dry grains B is 2.9:7; uniformly distributing a layer of dry particles C to obtain a ceramic blank body with the dry particles distributed for the first time; the residual dry particles can be sucked and recycled through a recycling machine;
(7) Applying cover glaze: 1) If the green brick is not polished, uniformly spraying a cover glaze consisting of dry grains D and a ceramic glaze suspending agent on the ceramic green body on which the dry grains are distributed for the first time, so that the brick surface presents a more vivid jade effect; 2) If the ceramic body is completely polished, a layer of dry grains D is uniformly sprayed on the ceramic body which is firstly coated with dry grains, and then transparent glaze is sprayed as cover glaze, wherein the application amount of the transparent glaze is 230g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the Preparing a ceramic blank which is not polished according to the step 1), and preparing a ceramic blank which is completely polished according to the step 2);
(8) Firing: sending the non-polished ceramic blank and the fully polished ceramic blank with the cover glaze applied in the step (7) into a sintering process, wherein the sintering temperature is 1200 ℃, and sintering to obtain the natural jade-like ceramic bricks (the fully polished bricks and the non-polished bricks respectively); when the finished product is completely polished, the parameters of the complete polishing grinding block are as follows: 240 mesh 6, 320 mesh 8, 400 mesh 8, 600 mesh 12, 800 mesh 8,1000 mesh 5,1500 mesh 5, 2000 mesh 4, 3000 mesh 4;
wherein, the pigment A comprises Cr in percentage by weight 2 O 3 80～90%，CoO 3%～10%，SiO 2 3%～5%；
The pigment B comprises ZrO by weight percent 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises the following components in percentage by weight 2 50%～55%，Al 2 O 3 30%～35%，CaO 0.5%～1%，MgO 0.5%～1.5%，K 2 O 1%～2%，Na 2 O 3%～5%。ZrO 2 4%～5%；
The dry particles A comprise the following components in percentage by weight: siO (SiO) 2 60%～65%，Al 2 O 3 5%～8%，Na 2 O 2%～5%，CaO 5%～10%，K 2 O 2%～5%，BaO 1%～3%,ZrO 2 2%～6%，ZnO 1%～3%, CdO 0.5%～1%，SO 3 0.5 to 2 percent of PbO0.5 to 2 percent; the grain composition of the dry grain A is as follows: 90-95% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of 120 meshes;
the dry particles B comprise the following components in percentage by weight: siO (SiO) 2 55%～60%，Al 2 O 3 10%～15%，Na 2 O 5%～10%，Cr 2 O 3 5%～10%，CaO 3%～8%，K 2 3-8% of O, 0.5-2% of MgO; the grain composition of the dry grain B is as follows: 90-95% of 40-80 meshes, 5-10% of more than 40 meshes and less than 5% of less than 80 meshes;
the dry particles C comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 3%～6%，K 2 O 1%～2%，BaO 1%～3%, ZrO 2 5%～8%，MgO 3%～6% ，TiO 2 0.5%～2%，MoO 3 0.5% -2%; the grain composition of the dry grain C is as follows: 85-90% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of 120 meshes;
The dry particles D comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 5%～10%，K 2 O 3%～6%，BaO 1%～32%，ZnO 2 1 to 4 percent of SrO 3 to 6 percent; the dry particle D particle size distribution is as follows: 85-90% of 100-200 meshes, 5-10% of more than 100 meshes and less than 5% of 200 meshes;
the transparent glaze comprises the following components in percentage by weight 2 45%～50%， Al 2 O 3 10%～15%，Na 2 O 3%～5%，K 2 O 1%～3%，CaO 5%～10%，MgO 1%～5%，ZnO 3%～5% ，SrO 3～6%；
The dosage of the dry particles A is as follows: 50g/m 2 The dosage of the dry particles B is as follows: 117g/m 2 The dry particle C is used in the following amount: 80g/m 2 The dry particle D is used in the following amount: 300g/m 2 。
Example 2
The preparation method of the natural jade porcelain-like brick comprises the following steps:
(1) Cloth: the ceramic green body is distributed by a press, two pigments and powder materials are respectively mixed into two color base materials, the weight ratio of the pigment A to the powder materials is 3:100 to obtain a base material A, the weight ratio of the pigment B to the powder materials is 3:100 to obtain a base material B, and the base material A, the base material B and the non-mixed color base material pressing machine program pattern texture distribution powder are pressed and molded to obtain a jade effect color green body;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic body before applying the surface glaze B, wherein the water spraying amount is 100g/m 2 (II), (III), (V), (; uniformly coating the overglaze B on a ceramic color blank with a jadeite effect after drying to obtain a ceramic blank with the overglaze B applied; the glazing amount of the overglaze B is 500g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic body with the surface glaze B, and drying to obtain the ceramic body with the transparent glaze; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink jet printing: printing patterns on the ceramic blank with the transparent glaze in an inkjet mode, selecting jadeite-like patterns, carrying out color mixing through a computer PS, and carrying out inkjet printing after optimizing the colors of the patterns to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank body subjected to ink-jet printing by using a glue drier to obtain a ceramic blank body subjected to digital glue printing; the gray level of the digital glue is 60%; a piece of cloth drying grain and a piece of sucking grain device are arranged behind each piece of digital glue, and the glue drying grain machine is provided with 4 groups of digital glue channels in total;
(6) The dry granules with different jadeite effects are distributed: firstly, shi Gan particles A and dry particles B are distributed on a ceramic blank body printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 3.1:7; uniformly distributing a layer of dry particles C to obtain a ceramic blank body with the dry particles distributed for the first time; the residual dry particles can be sucked and recycled through a recycling machine;
(7) Applying cover glaze: 1) If the green brick is not polished, uniformly spraying a cover glaze consisting of dry grains D and a ceramic glaze suspending agent on the ceramic green body on which the dry grains are distributed for the first time, so that the brick surface presents a more vivid jade effect; 2) If the ceramic body is completely polished, a layer of dry grains D is uniformly sprayed on the ceramic body which is firstly coated with dry grains, and then transparent glaze is sprayed as cover glaze, wherein the application amount of the transparent glaze is 230-250 g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the Preparing a ceramic blank which is not polished according to the step 1), and preparing a ceramic blank which is completely polished according to the step 2);
(8) Firing: sending the non-polished ceramic blank and the fully polished ceramic blank with the cover glaze applied in the step (7) into a sintering process, wherein the sintering temperature is 1200 ℃, and sintering to obtain the natural jade-like ceramic bricks (the fully polished bricks and the non-polished bricks respectively); when the finished product is completely polished, the parameters of the complete polishing grinding block are as follows: 240 mesh 6, 320 mesh 8, 400 mesh 8, 600 mesh 12, 800 mesh 8,1000 mesh 5,1500 mesh 5, 2000 mesh 4, 3000 mesh 4;
wherein, the pigment A comprises Cr in percentage by weight 2 O 3 80～90%，CoO 3%～10%，SiO 2 3%～5%；
The pigment B comprises ZrO by weight percent 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises the following components in percentage by weight 2 50%～55%，Al 2 O 3 30%～35%，CaO 0.5%～1%，MgO 0.5%～1.5%，K 2 O 1%～2%，Na 2 O 3%～5%。ZrO 2 4%～5%；
The dry particles A comprise the following components in percentage by weight: siO (SiO) 2 60%～65%，Al 2 O 3 5%～8%，Na 2 O 2%～5%，CaO 5%～10%，K 2 O 2%～5%，BaO 1%～3%,ZrO 2 2%～6%，ZnO 1%～3%, CdO 0.5%～1%，SO 3 0.5 to 2 percent of PbO0.5 to 2 percent; the grain composition of the dry grain A is as follows: 90-95% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of 120 meshes;
the dry particles B comprise the following components in percentage by weight: siO (SiO) 2 55%～60%，Al 2 O 3 10%～15%，Na 2 O 5%～10%，Cr 2 O 3 5%～10%，CaO 3%～8%，K 2 3-8% of O, 0.5-2% of MgO; the grain composition of the dry grain B is as follows: 90-95% of 40-80 meshes, 5-10% of more than 40 meshes and less than 5% of less than 80 meshes;
the dry particles C comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 3%～6%，K 2 O 1%～2%，BaO 1%～3%, ZrO 2 5%～8%，MgO 3%～6% ，TiO 2 0.5%～2%，MoO 3 0.5% -2%; the grain composition of the dry grain C is as follows: 85-90% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of 120 meshes;
the dry particles D comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 5%～10%，K 2 O 3%～6%，BaO 1%～32%，ZnO 2 1 to 4 percent of SrO 3 to 6 percent; the dry particle D particle size distribution is as follows: 85-90% of 100-200 meshes, 5-10% of more than 100 meshes and less than 5% of 200 meshes;
the transparent glaze comprises the following components in percentage by weight 2 45%～50%， Al 2 O 3 10%～15%，Na 2 O 3%～5%，K 2 O 1%～3%，CaO 5%～10%，MgO 1%～5%，ZnO 3%～5% ，SrO 3～6%；
The dosage of the dry particles A is as follows: 55g/m 2 The dosage of the dry particles B is as follows: 128g/m 2 The dry particle C is used in the following amount: 80g/m 2 The dry particle D is used in the following amount: 330g/m 2 。
Example 3
The preparation method of the natural jade porcelain-like brick comprises the following steps:
(1) Cloth: the ceramic green body is distributed by a press, two pigments and powder materials are respectively mixed into two color base materials, the weight ratio of the pigment A to the powder materials is 2:100 to obtain a base material A, the weight ratio of the pigment B to the powder materials is 2:100 to obtain a base material B, and the base material A, the base material B and the non-mixed color base material pressing machine program pattern texture distribution powder are pressed and molded to obtain a jade effect color green body;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic body before applying the surface glaze B, wherein the water spraying amount is 90g/m 2 (II), (III), (V), (; uniformly coating the overglaze B on a ceramic color blank with a jadeite effect after drying to obtain a ceramic blank with the overglaze B applied; the glazing amount of overglaze B was 490g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic body with the surface glaze B, and drying to obtain the ceramic body with the transparent glaze; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink jet printing: printing patterns on the ceramic blank with the transparent glaze in an inkjet mode, selecting jadeite-like patterns, carrying out color mixing through a computer PS, and carrying out inkjet printing after optimizing the colors of the patterns to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank body subjected to ink-jet printing by using a glue drier to obtain a ceramic blank body subjected to digital glue printing; the gray level of the digital glue is 55%; a piece of cloth drying grain and a piece of sucking grain device are arranged behind each piece of digital glue, and the glue drying grain machine is provided with 4 groups of digital glue channels in total;
(6) The dry granules with different jadeite effects are distributed: firstly, distributing Shi Gan particles A and dry particles B on a ceramic blank body printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 3:7; uniformly distributing a layer of dry particles C to obtain a ceramic blank body with the dry particles distributed for the first time; the residual dry particles can be sucked and recycled through a recycling machine;
(7) Applying cover glaze: 1) If not, the dry particles are firstly distributed Uniformly spraying cover glaze composed of dry grains D and a ceramic glaze suspending agent on the ceramic green body so as to enable the brick surface to show a more vivid jadeite effect; 2) If the ceramic body is completely polished, a layer of dry grains D is uniformly sprayed on the ceramic body which is firstly coated with the dry grains, and then transparent glaze is sprayed as cover glaze, wherein the application amount of the transparent glaze is 240g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the Preparing a ceramic blank which is not polished according to the step 1), and preparing a ceramic blank which is completely polished according to the step 2);
(8) Firing: sending the non-polished ceramic blank and the fully polished ceramic blank with the cover glaze applied in the step (7) into a sintering process, wherein the sintering temperature is 1200 ℃, and sintering to obtain the natural jade-like ceramic bricks (the fully polished bricks and the non-polished bricks respectively); when the finished product is completely polished, the parameters of the complete polishing grinding block are as follows: 240 mesh 6, 320 mesh 8, 400 mesh 8, 600 mesh 12, 800 mesh 8,1000 mesh 5,1500 mesh 5, 2000 mesh 4, 3000 mesh 4;
wherein the pigment A comprises Cr in percentage by weight 2 O 3 80～90%，CoO 3%～10%，SiO 2 3%～5%；
The pigment B comprises ZrO by weight percent 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises the following components in percentage by weight 2 50%～55%，Al 2 O 3 30%～35%，CaO 0.5%～1%，MgO 0.5%～1.5%，K 2 O 1%～2%，Na 2 O 3%～5%。ZrO 2 4%～5%；
The dry particles A comprise the following components in percentage by weight: siO (SiO) 2 60%～65%，Al 2 O 3 5%～8%，Na 2 O 2%～5%，CaO 5%～10%，K 2 O 2%～5%，BaO 1%～3%,ZrO 2 2%～6%，ZnO 1%～3%, CdO 0.5%～1%，SO 3 0.5 to 2 percent of PbO0.5 to 2 percent; the grain composition of the dry grain A is as follows: 90-95% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of 120 meshes;
The dry particles B comprise the following components in percentage by weight: siO (SiO) 2 55%～60%，Al 2 O 3 10%～15%，Na 2 O 5%～10%，Cr 2 O 3 5%～10%，CaO 3%～8%，K 2 3-8% of O, 0.5-2% of MgO; the grain composition of the dry grain B is as follows: 90-95% of 40-80 meshes, 5-10% of more than 40 meshes and less than 5% of less than 80 meshes;
the dry particles C comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 3%～6%，K 2 O 1%～2%，BaO 1%～3%, ZrO 2 5%～8%，MgO 3%～6% ，TiO 2 0.5%～2%，MoO 3 0.5% -2%; the grain composition of the dry grain C is as follows: 85-90% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of 120 meshes;
the dry particles D comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 5%～10%，K 2 O 3%～6%，BaO 1%～32%，ZnO 2 1 to 4 percent of SrO 3 to 6 percent; the dry particle D particle size distribution is as follows: 85-90% of 100-200 meshes, 5-10% of more than 100 meshes and less than 5% of 200 meshes;
the transparent glaze comprises the following components in percentage by weight 2 45%～50%， Al 2 O 3 10%～15%，Na 2 O 3%～5%，K 2 O 1%～3%，CaO 5%～10%，MgO 1%～5%，ZnO 3%～5% ，SrO 3～6%；
The dosage of the dry particles A is as follows: 51g/m 2 The dosage of the dry particles B is as follows: 119g/m 2 The dry particle C is used in the following amount: 82g/m 2 The dry particle D is used in the following amount: 310g/m 2 。
Example 4
The preparation method of the natural jade porcelain-like brick comprises the following steps:
(1) Cloth: the ceramic green body is distributed by a press, two pigments and powder materials are respectively mixed into two color base materials, the weight ratio of the pigment A to the powder materials is 2:100 to obtain a base material A, the weight ratio of the pigment B to the powder materials is 2:100 to obtain a base material B, and the base material A, the base material B and the non-mixed color base material pressing machine program pattern texture distribution powder are pressed and molded to obtain a jade effect color green body;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic body before applying the surface glaze BThe water spraying amount is 90g/m 2 (II), (III), (V), (; uniformly coating the overglaze B on a ceramic color blank with a jadeite effect after drying to obtain a ceramic blank with the overglaze B applied; the glazing amount of overglaze B was 490g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic body with the surface glaze B, and drying to obtain the ceramic body with the transparent glaze; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink jet printing: printing patterns on the ceramic blank with the transparent glaze in an inkjet mode, selecting jadeite-like patterns, carrying out color mixing through a computer PS, and carrying out inkjet printing after optimizing the colors of the patterns to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank body subjected to ink-jet printing by using a glue drier to obtain a ceramic blank body subjected to digital glue printing; the gray level of the digital glue is 55%; a piece of cloth drying grain and a piece of sucking grain device are arranged behind each piece of digital glue, and the glue drying grain machine is provided with 4 groups of digital glue channels in total;
(6) The dry granules with different jadeite effects are distributed: firstly, distributing Shi Gan particles A and dry particles B on a ceramic blank body printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 3:7; uniformly distributing a layer of dry particles C to obtain a ceramic blank body with the dry particles distributed for the first time; the residual dry particles can be sucked and recycled through a recycling machine;
(7) Applying cover glaze: 1) If the green brick is not polished, uniformly spraying a cover glaze consisting of dry grains D and a ceramic glaze suspending agent on the ceramic green body on which the dry grains are distributed for the first time, so that the brick surface presents a more vivid jade effect; 2) If the ceramic body is completely polished, a layer of dry grains D is uniformly sprayed on the ceramic body which is firstly coated with the dry grains, and then transparent glaze is sprayed as cover glaze, wherein the application amount of the transparent glaze is 240g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the Preparing a ceramic blank which is not polished according to the step 1), and preparing a ceramic blank which is completely polished according to the step 2);
(8) Firing: sending the non-polished ceramic blank and the fully polished ceramic blank with the cover glaze applied in the step (7) into a sintering process, wherein the sintering temperature is 1200 ℃, and sintering to obtain the natural jade-like ceramic bricks (the fully polished bricks and the non-polished bricks respectively); when the finished product is completely polished, the parameters of the complete polishing grinding block are as follows: 240 mesh 6, 320 mesh 8, 400 mesh 8, 600 mesh 12, 800 mesh 8,1000 mesh 5,1500 mesh 5, 2000 mesh 4, 3000 mesh 4;
wherein, the pigment A comprises Cr in percentage by weight 2 O 3 80～90%，CoO 3%～10%，SiO 2 3%～5%；
The pigment B comprises ZrO by weight percent 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises the following components in percentage by weight 2 50%～55%，Al 2 O 3 30%～35%，CaO 0.5%～1%，MgO 0.5%～1.5%，K 2 O 1%～2%，Na 2 O 3%～5%。ZrO 2 4%～5%；
The dry particles A comprise the following components in percentage by weight: siO (SiO) 2 60%～65%，Al 2 O 3 5%～8%，Na 2 O 2%～5%，CaO 5%～10%，K 2 O 2%～5%，BaO 1%～3%,ZrO 2 2%～6%，ZnO 1%～3%, CdO 0.5%～1%，SO 3 0.5 to 2 percent of PbO0.5 to 2 percent; the granularity of the dry particles A is 60-120 meshes;
the dry particles B comprise the following components in percentage by weight: siO (SiO) 2 55%～60%，Al 2 O 3 10%～15%，Na 2 O 5%～10%，Cr 2 O 3 5%～10%，CaO 3%～8%，K 2 3-8% of O, 0.5-2% of MgO; the granularity of the dry particles B is 40-80 meshes;
the dry particles C comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 3%～6%，K 2 O 1%～2%，BaO 1%～3%, ZrO 2 5%～8%，MgO 3%～6% ，TiO 2 0.5%～2%，MoO 3 0.5% -2%; the granularity of the dry particles C is 60-120 meshes;
the dry particles D comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 5%～10%，K 2 O 3%～6%，BaO 1%～32%，ZnO 2 1 to 4 percent of SrO 3 to 6 percent; the granularity of the dry particles D is 100-200 meshes;
the transparent glaze comprises the following components in percentage by weight 2 45%～50%， Al 2 O 3 10%～15%，Na 2 O 3%～5%，K 2 O 1%～3%，CaO 5%～10%，MgO 1%～5%，ZnO 3%～5% ，SrO 3～6%；
The dosage of the dry particles A is as follows: 51g/m 2 The dosage of the dry particles B is as follows: 119g/m 2 The dry particle C is used in the following amount: 82g/m 2 The dry particle D is used in the following amount: 310g/m 2 。
Comparative example 1
The preparation method of the natural jade porcelain-like brick comprises the following steps:
(1) Cloth: the ceramic green body is distributed by a press, two pigments and powder materials are respectively mixed into two color base materials, the weight ratio of the pigment A to the powder materials is 2:100 to obtain a base material A, the weight ratio of the pigment B to the powder materials is 2:100 to obtain a base material B, and the base material A, the base material B and the non-mixed color base material pressing machine program pattern texture distribution powder are pressed and molded to obtain a jade effect color green body;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic body before applying the surface glaze B, wherein the water spraying amount is 90g/m 2 (II), (III), (V), (; uniformly coating the overglaze B on a ceramic color blank with a jadeite effect after drying to obtain a ceramic blank with overglaze A applied; the glazing amount of overglaze A was 490g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic body with the surface glaze A, and drying to obtain the ceramic body with the transparent glaze; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink jet printing: printing patterns on the ceramic blank with the transparent glaze in an inkjet mode, selecting jadeite-like patterns, carrying out color mixing through a computer PS, and carrying out inkjet printing after optimizing the colors of the patterns to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank body subjected to ink-jet printing by using a glue drier to obtain a ceramic blank body subjected to digital glue printing; the gray level of the digital glue is 55%; a piece of cloth drying grain and a piece of sucking grain device are arranged behind each piece of digital glue, and the glue drying grain machine is provided with 4 groups of digital glue channels in total;
(6) The dry granules with different jadeite effects are distributed: firstly, distributing Shi Gan particles A and dry particles B on a ceramic blank body printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 3:7; uniformly distributing a layer of dry particles C to obtain a ceramic blank body with the dry particles distributed for the first time; the residual dry particles can be sucked and recycled through a recycling machine;
(7) Applying cover glaze: 1) If the green brick is not polished, uniformly spraying a cover glaze consisting of dry grains D and a ceramic glaze suspending agent on the ceramic green body on which the dry grains are distributed for the first time, so that the brick surface presents a more vivid jade effect; 2) If the ceramic body is completely polished, a layer of dry grains D is uniformly sprayed on the ceramic body which is firstly coated with the dry grains, and then transparent glaze is sprayed as cover glaze, wherein the application amount of the transparent glaze is 240g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the Preparing a ceramic blank which is not polished according to the step 1), and preparing a ceramic blank which is completely polished according to the step 2);
(8) Firing: sending the non-polished ceramic blank and the fully polished ceramic blank with the cover glaze applied in the step (7) into a sintering process, wherein the sintering temperature is 1200 ℃, and sintering to obtain the natural jade-like ceramic bricks (the fully polished bricks and the non-polished bricks respectively); when the finished product is completely polished, the parameters of the complete polishing grinding block are as follows: 240 mesh 6, 320 mesh 8, 400 mesh 8, 600 mesh 12, 800 mesh 8,1000 mesh 5,1500 mesh 5, 2000 mesh 4, 3000 mesh 4;
wherein, the pigment A comprises Cr in percentage by weight 2 O 3 8～90%，CoO 3%～10%，SiO 2 3%～5%；
The pigment B comprises ZrO by weight percent 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze A comprises the following components in percentage by weight 2 55%～58%，Al 2 O 3 26%～30%，CaO 0.5%～1%，MgO 0.5%～1.5%，K 2 O 0.5%～1%，Na 2 O 3%～5%，ZrO 2 4%～5%；
The dry particles A comprise the following components in percentage by weight: siO (SiO) 2 60%～65%，Al 2 O 3 5%～8%，Na 2 O 2%～5%，CaO 5%～10%，K 2 O 2%～5%，BaO 1%～3%,ZrO 2 2%～6%，ZnO 1%～3%, CdO 0.5%～1%，SO 3 0.5 to 2 percent of PbO0.5 to 2 percent; the grain composition of the dry grain A is as follows: 90-95% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of 120 meshes;
the dry particles B comprise the following components in percentage by weight: siO (SiO) 2 55%～60%，Al 2 O 3 10%～15%，Na 2 O 5%～10%，Cr 2 O 3 5%～10%，CaO 3%～8%，K 2 3-8% of O, 0.5-2% of MgO; the grain composition of the dry grain B is as follows: 90-95% of 40-80 meshes, 5-10% of more than 40 meshes and less than 5% of less than 80 meshes;
the dry particles C comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 3%～6%，K 2 O 1%～2%，BaO 1%～3%, ZrO 2 5%～8%，MgO 3%～6% ，TiO 2 0.5%～2%，MoO 3 0.5% -2%; the grain composition of the dry grain C is as follows: 85-90% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of 120 meshes;
the dry particles D comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 5%～10%，K 2 O 3%～6%，BaO 1%～32%，ZnO 2 1 to 4 percent of SrO 3 to 6 percent; the dry particle D particle size distribution is as follows: 85-90% of 100-200 meshes, 5-10% of more than 100 meshes and less than 5% of 200 meshes;
the transparent glaze comprises the following components in percentage by weight 2 45%～50%， Al 2 O 3 10%～15%，Na 2 O 3%～5%，K 2 O 1%～3%，CaO 5%～10%，MgO 1%～5%，ZnO 3%～5% ，SrO 3～6%；
The dosage of the dry particles A is as follows: 51g/m 2 The dosage of the dry particles B is as follows: 119g/m 2 The dry particle C is used in the following amount: 82g/m 2 The dry particle D is used in the following amount: 310g/m 2 。
Comparative example 2
The preparation method of the natural jade porcelain-like brick comprises the following steps:
the method comprises the steps of (1) distributing a ceramic blank by using a press, mixing two pigments and powder materials respectively to form two color base materials, wherein the weight ratio of the pigment A to the powder materials is 2:100 to obtain a base material A, the weight ratio of the pigment B to the powder materials is 2:100 to obtain a base material B, and pressing the base material A, the base material B and the non-mixed color base material to obtain a jade effect color blank by pressing the base material A, the base material B and the non-mixed color base material to press the pattern texture cloth;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic body before applying the surface glaze B, wherein the water spraying amount is 90g/m 2 (II), (III), (V), (; uniformly coating the overglaze B on a ceramic color blank with a jadeite effect after drying to obtain a ceramic blank with the overglaze B applied; the glazing amount of overglaze B was 490g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic body with the surface glaze B, and drying to obtain the ceramic body with the transparent glaze; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink jet printing: printing patterns on the ceramic blank with the transparent glaze in an inkjet mode, selecting jadeite-like patterns, carrying out color mixing through a computer PS, and carrying out inkjet printing after optimizing the colors of the patterns to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank body subjected to ink-jet printing by using a glue drier to obtain a ceramic blank body subjected to digital glue printing; the gray level of the digital glue is 55%; a piece of cloth drying grain and a piece of sucking grain device are arranged behind each piece of digital glue, and the glue drying grain machine is provided with 4 groups of digital glue channels in total;
(6) The dry granules with different jadeite effects are distributed: firstly, distributing Shi Gan particles A and dry particles B on a ceramic blank body printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 3:7; uniformly distributing a layer of dry particles C to obtain a ceramic blank body with the dry particles distributed for the first time; the residual dry particles can be sucked and recycled through a recycling machine;
(7) Applying cover glaze: 1) If the paint is not polished, the dry grains D and the transparent glaze are not sprayed; 2) If the ceramic body is completely polished, uniformly spraying transparent glaze as covering glaze on the ceramic body with dry grains applied for the first time, wherein the application amount of the transparent glaze is240g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the Preparing a ceramic blank which is not polished according to the step 1), and preparing a ceramic blank which is completely polished according to the step 2);
(8) Firing: sending the non-polished ceramic blank and the fully polished ceramic blank with the cover glaze applied in the step (7) into a sintering process, wherein the sintering temperature is 1200 ℃, and sintering to obtain the natural jade-like ceramic bricks (the fully polished bricks and the non-polished bricks respectively); when the finished product is completely polished, the parameters of the complete polishing grinding block are as follows: 240 mesh 6, 320 mesh 8, 400 mesh 8, 600 mesh 12, 800 mesh 8,1000 mesh 5,1500 mesh 5, 2000 mesh 4, 3000 mesh 4;
wherein, the pigment A comprises Cr in percentage by weight 2 O 3 80～90%，CoO 3%～10%，SiO 2 3%～5%；
The pigment B comprises ZrO by weight percent 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises the following components in percentage by weight 2 50%～55%，Al 2 O 3 30%～35%，CaO 0.5%～1%，MgO 0.5%～1.5%，K 2 O 1%～2%，Na 2 O 3%～5%。ZrO 2 4%～5%；
The dry particles A comprise the following components in percentage by weight: siO (SiO) 2 60%～65%，Al 2 O 3 5%～8%，Na 2 O 2%～5%，CaO 5%～10%，K 2 O 2%～5%，BaO 1%～3%,ZrO 2 2%～6%，ZnO 1%～3%, CdO 0.5%～1%，SO 3 0.5 to 2 percent of PbO0.5 to 2 percent; the grain composition of the dry grain A is as follows: 90-95% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of 120 meshes;
the dry particles B comprise the following components in percentage by weight: siO (SiO) 2 55%～60%，Al 2 O 3 10%～15%，Na 2 O 5%～10%，Cr 2 O 3 5%～10%，CaO 3%～8%，K 2 3-8% of O, 0.5-2% of MgO; the grain composition of the dry grain B is as follows: 90-95% of 40-80 meshes, 5-10% of more than 40 meshes and less than 5% of less than 80 meshes;
the dry particles C comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 3%～6%，K 2 O 1%～2%，BaO 1%～3%, ZrO 2 5%～8%，MgO 3%～6% ，TiO 2 0.5%～2%，MoO 3 0.5% -2%; the grain composition of the dry grain C is as follows: 85-90% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of 120 meshes;
the transparent glaze comprises the following components in percentage by weight 2 45%～50%， Al 2 O 3 10%～15%，Na 2 O 3%～5%，K 2 O 1%～3%，CaO 5%～10%，MgO 1%～5%，ZnO 3%～5% ，SrO 3～6%；
The dosage of the dry particles A is as follows: 51g/m 2 The dosage of the dry particles B is as follows: 119g/m 2 The dry particle C is used in the following amount: 82g/m 2 。
Comparative example 3
The preparation method of the natural jade porcelain-like brick comprises the following steps:
(1) Cloth: the ceramic green body is distributed by a press, two pigments and powder materials are respectively mixed into two color base materials, the weight ratio of the pigment A to the powder materials is 2:100 to obtain a base material A, the weight ratio of the pigment B to the powder materials is 2:100 to obtain a base material B, and the base material A, the base material B and the non-mixed color base material pressing machine program pattern texture distribution powder are pressed and molded to obtain a jade effect color green body;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic body before applying the surface glaze B, wherein the water spraying amount is 90g/m 2 (II), (III), (V), (; uniformly coating the overglaze B on a ceramic color blank with a jadeite effect after drying to obtain a ceramic blank with the overglaze B applied; the glazing amount of overglaze B was 490g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic body with the surface glaze B, and drying to obtain the ceramic body with the transparent glaze; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink jet printing: printing patterns on the ceramic blank with the transparent glaze in an inkjet mode, selecting jadeite-like patterns, carrying out color mixing through a computer PS, and carrying out inkjet printing after optimizing the colors of the patterns to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank body subjected to ink-jet printing by using a glue drier to obtain a ceramic blank body subjected to digital glue printing; the gray level of the digital glue is 55%; a piece of cloth drying grain and a piece of sucking grain device are arranged behind each piece of digital glue, and the glue drying grain machine is provided with 4 groups of digital glue channels in total;
(6) The dry granules with different jadeite effects are distributed: firstly, distributing Shi Gan grains A on a ceramic blank printed with digital glue to obtain a ceramic blank on which dry grains are distributed for the first time; the residual dry particles can be sucked and recycled through a recycling machine;
(7) Applying cover glaze: 1) If the transparent glaze is not polished, the transparent glaze is not sprayed; 2) If the ceramic body is completely polished, a layer of transparent glaze is uniformly sprayed on the ceramic body which is firstly coated with dry grains as a cover glaze, wherein the application amount of the transparent glaze is 240g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the Preparing a ceramic blank which is not polished according to the step 1), and preparing a ceramic blank which is completely polished according to the step 2);
(8) Firing: sending the non-polished ceramic blank and the fully polished ceramic blank with the cover glaze applied in the step (7) into a sintering process, wherein the sintering temperature is 1200 ℃, and sintering to obtain the natural jade-like ceramic bricks (the fully polished bricks and the non-polished bricks respectively); when the finished product is completely polished, the parameters of the complete polishing grinding block are as follows: 240 mesh 6, 320 mesh 8, 400 mesh 8, 600 mesh 12, 800 mesh 8,1000 mesh 5,1500 mesh 5, 2000 mesh 4, 3000 mesh 4;
wherein, the pigment A comprises Cr in percentage by weight 2 O 3 80～90%，CoO 3%～10%，SiO 2 3%～5%；
The pigment B comprises ZrO by weight percent 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises the following components in percentage by weight 2 50%～55%，Al 2 O 3 30%～35%，CaO 0.5%～1%，MgO 0.5%～1.5%，K 2 O 1%～2%，Na 2 O 3%～5%。ZrO 2 4%～5%；
The dry particles A comprise the following components in percentage by weight: siO (SiO) 2 60%～65%，Al 2 O 3 5%～8%，Na 2 O 2%～5%，CaO 5%～10%，K 2 O 2%～5%，BaO 1%～3%,ZrO 2 2%～6%，ZnO 1%～3%, CdO 0.5%～1%，SO 3 0.5 to 2 percent of PbO0.5 to 2 percent; the grain composition of the dry grain A is as follows: 90-95% of 60-120 meshes, 5-10% of more than 60 meshes and less than 5% of 120 meshes;
the transparent glaze comprises the following components in percentage by weight 2 45%～50%， Al 2 O 3 10%～15%，Na 2 O 3%～5%，K 2 O 1%～3%，CaO 5%～10%，MgO 1%～5%，ZnO 3%～5% ，SrO 3～6%；
The dosage of the dry particles A is as follows: 170g/m 2 。
Taking the natural-imitation jade porcelain tiles prepared in examples 1-4 and comparative examples 1-3 respectively, putting the natural-imitation jade porcelain tiles into an environment with alternating cold and hot temperatures of +/-75 ℃ for 24 hours, and observing whether glaze cracks appear in the products; the patterns of the natural-like emerald ceramic tiles prepared in examples 1 to 4 and comparative examples 1 to 3 were observed, and the observation results are shown in the following table 1:
TABLE 1
Project Three-dimensional sense of pattern Brick-type tortoise appearance rate (%) Whether or not the glaze cracks Effect of jadeite
Example 1 The color tone is not single, and the 3D stereoscopic impression is provided 0.01 Whether or not Vivid and vivid
Example 2 The color tone is not single, and the 3D stereoscopic impression is provided 0.01 Whether or not Vivid and vivid
Example 3 The color tone is not single, and the 3D stereoscopic impression is provided 0.01 Whether or not Vivid and vivid
Example 4 The color tone is not single, and the 3D stereoscopic impression is provided 0.01 Whether or not Is not bright enough but has higher fidelity
Comparative example 1 The color tone is not single, and the 3D stereoscopic impression is provided 6.5 Whether or not Vivid and vivid
Comparative example 2 The color tone is not single, and the 3D stereoscopic impression is slightly poor 0.01 Whether or not Is not bright enough and has general fidelity
Comparative example 3 Single tone and poor 3D stereoscopic impression 0.01 Whether or not Is not bright enough and has poor fidelity
According to the observation results, according to the preparation method of the natural jadeite-like ceramic tile, cloth is carried out through a press to enable a green body to be sintered, then the green body is provided with one of jadeite effect and surface decoration pattern, the glaze is printed with the jadeite-like effect pattern through ink-jet printing, a plurality of dry grains with the jadeite effect are distributed on the ink-jet printed pattern, the dry grain jadeite effect is completely matched with the ink-jet printing effect, the jadeite effect is enabled to have 3D stereoscopic impression, the tone is not single, the jadeite effect is rich and colorful, finally, the spray dry grains are covered or covered by transparent glaze, the green body is sintered at high temperature in a kiln after the glaze line process is finished, and then the bright special jadeite-like effect tile is obtained through the full polishing process, or the ceramic archaizing tile with the special jadeite effect is not polished; compared with the traditional secondary sintering process, the method does not need secondary sintering, the cloth texture and the patterns are more closely related, the patterns have stronger third dimension, the glaze effect is good, the glaze is not easy to crack even being placed in a cold-hot alternating environment for a long time, and the product has high strength and good quality; in the preparation process of the product, the brick is sprayed with the transparent glaze twice, so the brick shape is relatively similar to that of a common tortoise, and the normal overglaze A (the overglaze A comprises the following components in percentage by weight 2 55%～58%，Al 2 O 3 26%～30%，CaO 0.5%～1%，MgO 0.5%～1.5%，K 2 O 0.5%～1%，Na 2 O 3%～5%，ZrO 2 4% -5%) of the brick shape can deviate from the tortoise, the composition proportion and expansion coefficient of the overglaze are adjusted to obtain overglaze B, the expansion coefficient of the overglaze B is larger than that of overglaze A, the brick shape can be adjusted to be in a standard range after the overglaze B is used, and the defect rate of products can be greatly reduced; the granularity grade ratio of the dry particles A and the dry particles B is limited, the dry particles A and the dry particles B are yellow-green at the place with lower gray level of the ink-jet printing pattern, and the dry particles A and the dry particles B are combined with the ink-jet printing patternThe yellow-green tone with higher gray level presents more realistic jadeite effect, and the simulation effect is better; the dry particles C are mainly used for increasing the jadeite effect of the dry particles and the contrast of patterns, so that the jadeite effect is more bright, the dry particles C show an ultrawhite effect after firing, the granularity grade proportion of the dry particles C is further limited, the contrast of the jadeite effect of the dry particles and the contrast of the patterns are high, the jadeite effect of the dry particles is not false white after firing, the simulation effect is better, and the glaze is more lifelike; the dry particles D are used as the main material of the cover glaze, and the granularity grade proportion of the dry particles D is further limited, so that the dry particles D have good dispersing effect, do not agglomerate, and can show more vivid jadeite effect.
While the invention has been described in detail in the foregoing general description and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.

Claims (4)

1. The preparation method of the natural jade porcelain tile is characterized by comprising the following steps of:
(1) Cloth: the ceramic green body is distributed by a press, two pigments and powder materials are respectively mixed into two color base materials, the weight ratio of the pigment A to the powder materials is 1-3:100 to obtain a base material A, the weight ratio of the pigment B to the powder materials is 1-3:100 to obtain a base material B, and the base material A, the base material B and the powder materials of the non-mixed color base material pressing machine program pattern are subjected to powder material pressing and molding to obtain a jadeite effect color green body;
(2) Coating of overglaze B: uniformly coating the overglaze B on a ceramic color blank with a jadeite effect after drying to obtain a ceramic blank with the overglaze B applied;
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic body with the surface glaze B, and drying to obtain the ceramic body with the transparent glaze; the transparent glaze comprises the following components in percentage by weight 2 45%～50%， Al 2 O 3 10%～15%，Na 2 O 3%～5%，K 2 O 1%～3%，CaO 5%～10%，MgO 1%～5%，ZnO 3%～5% ，SrO 3～6%；
(4) Ink jet printing: printing patterns on the ceramic body with the transparent glaze in an inkjet mode to obtain an inkjet-printed ceramic body;
(5) Printing digital glue: printing digital glue on the ceramic blank body subjected to ink-jet printing by using a glue drier to obtain a ceramic blank body subjected to digital glue printing;
(6) The dry granules with different jadeite effects are distributed: firstly, shi Gan grains A and dry grains B are distributed on a ceramic blank body printed with digital glue, wherein the weight ratio of the dry grains A to the dry grains B is 2.9-3.1:7; uniformly distributing a layer of dry particles C to obtain a ceramic blank body with the dry particles distributed for the first time;
(7) Applying cover glaze: 1) If the green brick is not polished, uniformly spraying a cover glaze consisting of dry grains D and a ceramic glaze suspending agent on the ceramic green body on which the dry grains are distributed for the first time, so that the brick surface presents a more vivid jade effect; 2) If the ceramic body is completely polished, a layer of dry grains D is uniformly sprayed on the ceramic body which is firstly coated with dry grains, and then transparent glaze is sprayed as cover glaze, wherein the application amount of the transparent glaze is 230-250 g/m 2 ；
(8) Firing: sending the ceramic blank body with the cover glaze applied in the step (7) into a sintering process, wherein the sintering temperature is 1200 ℃, and sintering to obtain the natural jadeite-like ceramic tile; when the finished product is completely polished, the parameters of the complete polishing grinding block are as follows: 240 mesh 6, 320 mesh 8, 400 mesh 8, 600 mesh 12, 800 mesh 8,1000 mesh 5,1500 mesh 5, 2000 mesh 4, 3000 mesh 4;
wherein the pigment A comprises Cr in percentage by weight 2 O 3 80～90%，CoO 3%～10%，SiO 2 3% -5%, the total is 100%;
the pigment B comprises ZrO by weight percent 2 45～50%，SiO 2 25%～35%，Pr 6 O 11 20～30%，K 2 O1-5%, total 100%; the overglaze B comprises the following components in percentage by weight 2 50%～55%，Al 2 O 3 30%～35%，CaO 0.5%～1%，MgO 0.5%～1.5%，K 2 O 1%～2%，Na 2 O 3%～5%，ZrO 2 4% -5%, and the total is 100%;
the dry particles A are calculated by weight percentComprising: siO (SiO) 2 60%～65%，Al 2 O 3 5%～8%，Na 2 O 2%～5%，CaO 5%～10%，K 2 O 2%～5%，BaO 1%～3%,ZrO 2 2%～6%，ZnO 1%～3%, CdO 0.5%～1%，SO 3 0.5 to 2 percent of PbO0.5 to 2 percent; the grain composition of the dry grain A is as follows: 90-95% of 60-120 meshes, 5-10% of more than 60 meshes, less than 5% of less than 120 meshes, and 100% in total;
The dry particles B comprise the following components in percentage by weight: siO (SiO) 2 55%～60%，Al 2 O 3 10%～15%，Na 2 O 5%～10%，Cr 2 O 3 5%～10%，CaO 3%～8%，K 2 3-8% of O, 0.5-2% of MgO; the grain composition of the dry grain B is as follows: 90-95% of 40-80 meshes, 5-10% of more than 40 meshes, less than 5% of less than 80 meshes, and 100% in total;
the dry particles C comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 3%～6%，K 2 O 1%～2%，BaO 1%～3%, ZrO 2 5%～8%，MgO 3%～6% ，TiO 2 0.5%～2%，MoO 3 0.5% -2%; the grain composition of the dry grain C is as follows: 85-90% of 60-120 meshes, 5-10% of more than 60 meshes, less than 5% of less than 120 meshes, and 100% in total;
the dry particles D comprise the following components in percentage by weight: siO (SiO) 2 55%～60%， Al 2 O 3 15%～20%， Na 2 O 5%～10%， CaO 5%～10%，K 2 3 to 6 percent of O, 1 to 32 percent of BaO, 1 to 4 percent of ZnO, 3 to 6 percent of SrO and 100 percent of total; the dry particle D particle size distribution is as follows: 85-90% of the meshes of 100-200, 5-10% of the meshes of more than 100, less than 5% of the meshes of less than 200, and 100% of the total.
2. The method for producing a natural jadeite-like ceramic tile according to claim 1, wherein water is sprayed on the outer surface of the ceramic body before the overglaze B is applied in the step (2) in an amount of 80 to 100g/m 2 The glazing quantity of the overglaze B is 480-500 g/m 2 。
3. The method for preparing the natural jadeite-like ceramic tile according to claim 1, wherein the number glue gray scale in the step (5) is 50-60%.
4. The method for producing a natural jadeite-like ceramic tile according to claim 1, wherein the weight ratio of the dry grains a to the dry grains B in the step (6) is 3:7.
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