CN115340411A - Preparation method of natural jade-like porcelain tile - Google Patents

Preparation method of natural jade-like porcelain tile Download PDF

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CN115340411A
CN115340411A CN202210878918.0A CN202210878918A CN115340411A CN 115340411 A CN115340411 A CN 115340411A CN 202210878918 A CN202210878918 A CN 202210878918A CN 115340411 A CN115340411 A CN 115340411A
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dry particles
ceramic
meshes
glaze
effect
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CN115340411B (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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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
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  • General Chemical & Material Sciences (AREA)
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Abstract

The invention relates to a preparation method of an imitated natural jadeite ceramic brick, which comprises the steps of distributing materials by a press to enable a green body to have a jadeite effect consistent with a surface decorative pattern after sintering, printing the jade-like effect pattern on a glaze surface by ink jet, distributing a plurality of dry particles with a jadeite effect on the ink jet printed pattern, enabling the jadeite effect of the dry particles to be completely consistent with the ink jet printed effect, enabling the jadeite effect to have a 3D stereoscopic impression, enabling the tone to be not single and the jadeite effect to be rich and colorful, finally spraying the dry particles to cover or spraying transparent glaze to cover, firing the obtained product at a high temperature in a kiln after the glaze line process is finished, obtaining a bright special jadeite effect brick by a full polishing process, or forming the ceramic imitated ancient brick with the special jadeite effect without polishing; compared with the traditional secondary sintering process, the method disclosed by the invention does not need secondary sintering, the texture and pattern of the cloth are more closely connected, the pattern has stronger stereoscopic impression, the glaze surface effect is good, the glaze crack is not easy to occur even the cloth is placed in a cold and hot alternate environment for a long time, and the product has high strength and good quality.

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 an imitated natural jade ceramic tile.
Background
The ceramic generally consists of a green body and a glaze, wherein the green body is the main part of the ceramic, is used for firing and forming and has high compressive strength; the glaze material is a vitreous thin layer covered on the surface of the blank body, has high hardness and high wear resistance, and simultaneously has the effect of beautifying the surface of the ceramic. With the increase of the consumption level of people, the demand of people for materials and spirits is correspondingly increased. The glaze effect and the color pattern of the existing porcelain tiles are difficult to meet the requirements of consumers, and people are more inclined to diversified products such as individuation, refinement, artistic work and the like. The appearance of the natural jade porcelain-like brick meets more requirements of users. At present, the preparation method of jadeite porcelain is to add green pigment into the raw material of the green body, then ball mill, form, fire, and apply transparent glaze to fire again after firing the biscuit to obtain the product, which is only embodied in daily porcelain at present. In the prior art, tender green pigment is prepared, then the tender green pigment is added into raw materials according to a certain proportion, ball milling is carried out, then sieving is carried out, then pouring forming is carried out, sintering is carried out by using oxidizing flame after drying, transparent glaze is applied after biscuit sintering is carried out, and then secondary sintering is carried out. The technology is difficult to realize in building ceramics, finished products can be obtained only through secondary sintering, the secondary sintering in the building ceramics industry can cause poor binding property of blank glaze and low product strength, and the blank glaze is easy to crack when placed in a cold and hot alternating environment for a long time. The one-time firing can lead the blank glaze to be tightly combined, the complete vitrification of the blank body is obvious, and the glaze surface effect is better.
The preparation method comprises the steps of one-time sintering, full-body color matching of a green body, surface glazing, pattern printing, digital glue spraying, dry particle cloth with different jade effects, cover glazing and sintering. One production line can be directly finished without secondary sintering, and the glaze surface effect is better.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a preparation method of an imitated natural emerald ceramic brick which is simple in process, can be fired at one time and is high in quality.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a preparation method of an imitated natural jade porcelain tile comprises the following steps:
(1) Material distribution: distributing the ceramic blank by using a press, mixing two pigments with powder respectively to obtain two color base materials, wherein the weight ratio of the pigment A to the powder is 1-3, the weight ratio of the pigment B to the powder is 1-3, the base material A is obtained from 100, and the base material A, the base material B and the uncombined base material are subjected to press forming by using a press machine to perform pattern texture distribution powder to obtain a green jade effect color blank;
(2) Coating of overglaze B: uniformly coating the overglaze B on a dried ceramic color blank with a jade effect to obtain a ceramic blank body with the overglaze B;
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic blank body applied with the overglaze B, and drying to obtain the ceramic blank body applied with the transparent glaze;
(4) Ink-jet printing: printing a pattern on the ceramic blank body applied with the transparent glaze by ink jet to obtain an ink jet printed ceramic blank body;
(5) Printing digital glue: printing digital glue on the ceramic blank printed by ink jet by using a glue drying and granulating machine to obtain a ceramic blank printed with the digital glue;
(6) Distributing dry granules with different jade effects: firstly, coating Shi Ganli A and dry particles B on a ceramic blank printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 2.9-3.1; uniformly coating a layer of dry particles C to obtain a ceramic blank coated with the dry particles for the first time;
(7) Applying a covering glaze: 1) If the ceramic green body is not polished, uniformly spraying a covering glaze consisting of the dry particles D and a ceramic glaze suspending agent on the ceramic green body on which the dry particles are primarily distributed, so that the surface of the brick has a more bright jade effect; 2) If the polishing process is full polishing, firstly uniformly spraying a layer of dry particles D on the ceramic blank on which the dry particles are firstly distributed, and then spraying transparent glaze as covering glaze, wherein the application amount of the transparent glaze is 230-250 g/m 2 ；
(8) And (3) firing: sending the ceramic body with the cover glaze applied in the step (7) to a firing process, and firing to obtain the natural jade imitation 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 according to weight percentage 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 1 to 5 percent of O; the overglaze B comprises SiO 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 2 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 2 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 2 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 2 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, before the overglaze B is applied in the step (2), water is sprayed on the outer surface of the ceramic blank, and the water spraying amount is 80-100 g/m 2 The glazing amount of the overglaze B is between 480 and 500g/m 2 。
Further, the gray level of the digital glue in the step (5) is 50-60%.
Further, the weight ratio of the dry granules A and the dry granules B in the step (6) is 3:7.
Further, the particle size distribution of the dry particles A is as follows: 90-95% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes.
Further, the particle size distribution of the dry particles B is as follows: 90-95% of 40-80 meshes, 5-10% above 40 meshes and less than 5% below 80 meshes.
Further, the particle size distribution of the dry particles C is as follows: 85-90% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes.
Further, the dry particle D has a particle size distribution of: 85-90% of 100-200 meshes, 5-10% above 100 meshes and less than 5% below 200 meshes.
Further, the transparent glaze comprises SiO 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 fully polished in the step (8), the parameters of the fully polished grinding block are as follows: 240 × 6, 320 × 8, 400 × 8, 600 × 12, 800 × 8,1000 × 5,1500 × 5, 2000 × 4, 3000 × 4.
The preparation method of the imitated natural jade porcelain tile has the following beneficial effects:
1. according to the invention, different dry particle components for imitating the jadeite effect are added, and the specific dry particle components are organically proportioned, so that the aim of more vivid jadeite effect of the product can be achieved, the jadeite effect and the design elements of the brick are combined, various jadeite bricks with three-dimensional effects can be changed through the adjustment of design patterns, the surface effect and texture of the brick are enhanced, and quick volume production, one-time firing, energy conservation and consumption reduction can be realized; compared with the prior art, the method has no special firing curve, can be co-fired with different bricks and different specifications, has higher production flexibility, is convenient to popularize and apply, and has strong practicability.
2. The prior art is only the imitation jade effect of single overglaze upper pattern, and this scheme is that the glaze layer has three-dimensional jade effect, and the tone is not single, and the jade effect is abundant colorful, and the brick face is abundant three-dimensional more, fine and smooth lifelike, can be used to high-grade fitment, satisfies more and has the customer's needs that the quality pursued.
3. The technical sequence of the glaze spraying process is different from that of the prior art, the process sequence is dry blank water spraying → surface glaze spraying → transparent glaze spraying → ink jet printing → ink jet glue → dry particle distribution → excessive dry particle absorption → cover glaze → firing, and the design pattern diffusion and the combination of various jadeite dry particles and digital glue are mainly adopted, so that the jadeite effect of the glazed tile surface can be brighter, vivid and vivid, and the product quality is high.
4. The general ink-jet design pattern is printed on the overglaze, while the ink-jet design pattern is printed on the transparent glaze, the transparent glaze has more bright color development to ink than the overglaze, and the coloring particles in the ink have certain diffusion effect in the molten state of the transparent glaze, so that the displayed jade effect is more vivid and stereoscopic, and the product quality is high.
The invention relates to a preparation method of an imitated natural jadeite ceramic brick, which comprises the steps of distributing materials by a press to enable a green body to have a jadeite effect consistent with a surface decorative pattern after sintering, printing the jade-like effect pattern on a glaze surface by ink jet, distributing a plurality of dry particles with a jadeite effect on the ink jet printed pattern, enabling the jadeite effect of the dry particles to be completely consistent with the ink jet printed effect, enabling the jadeite effect to have a 3D stereoscopic impression, enabling the tone to be not single and the jadeite effect to be rich and colorful, finally spraying the dry particles to cover or spraying transparent glaze to cover, firing the obtained product at a high temperature in a kiln after the glaze line process is finished, obtaining a bright special jadeite effect brick by a full polishing process, or forming the ceramic imitated ancient brick with the special jadeite effect without polishing; compared with the traditional secondary sintering process, the method disclosed by the invention does not need secondary sintering, the texture and pattern of the cloth are more closely connected, the pattern has stronger stereoscopic impression, the glaze surface effect is good, the glaze crack is not easy to occur even the cloth is placed in a cold and hot alternate environment for a long time, and the product has high strength and good quality.
The invention relates to a method for preparing an imitated natural jade porcelain tile, which is characterized in that the surface of a ceramic blank is firstly coated with a surface glaze BSurface water spraying is carried out, so that the blank glaze can be more tightly combined together, and the defect rate is reduced; in the preparation process of the product, the transparent glaze is required to be sprayed twice for the full-polished tile, so that the tile shape is relatively to a tortoise in general, and the normal overglaze A (the overglaze A comprises SiO 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 brick shape, adjusting the composition proportion and expansion coefficient of overglaze to obtain overglaze B, wherein the expansion coefficient of overglaze B is larger than that of overglaze A, and the brick shape can be adjusted to be within a standard range after overglaze B is used, so that the defect rate of products can be greatly reduced; the granularity grade ratio of the dry grains A and the dry grains B is limited, the dry grains A and the dry grains B are in yellow-green tone at the place where the gray level of the ink-jet printing pattern is lower, and a more vivid emerald 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 jade effect and the contrast of patterns of the dry particles, so that the jade effect is more brilliant, the dry particles C have an ultra-white effect after being fired, the granularity grade ratio of the dry particles C is further limited, the jade effect and the contrast of the patterns of the dry particles are high, the dry particles C are not pseudo-white after being fired, the simulation effect is better, and the glaze surface is more vivid; the dry particles D are used as the main material of the cover glaze, and the granularity grade ratio of the dry particles D is further limited, so that the dry particles D have good dispersion effect, can not agglomerate, and can present a more bright jade effect.
Drawings
FIG. 1 is a graph showing the thermal expansion coefficient of a normal overglaze A according to the present invention.
FIG. 2 is a graph showing the thermal expansion coefficient of the overglaze B used in the present invention.
Detailed Description
The following examples may help one skilled in the art to more fully understand the invention, but are not intended to limit the invention in any way.
A process for preparing the natural jadeite-like ceramic brick includes such steps as conventionally preparing the ceramic blank from known raw ceramic material, ball grinding, and powder sprayingDrying the granules, the pressed compact and the like to prepare a ceramic blank; specifically, the ceramic raw materials used for the ceramic 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 percent; the powder material for preparing the fully polished brick blank is sieved by a 250-mesh sieve, and the residual content is 0.6-0.8%.
The method has no special firing curve, can be co-fired with bricks of different brick types and different specifications, and has higher production flexibility; in the following examples, the firing temperature in the firing step was 1200 ℃.
A preparation method of an imitated natural jade porcelain tile comprises the following steps of: 1:3, the application amount of the covering glaze consisting of the dry particles D and the ceramic glaze suspending agent is 300-350g/m 2 。
A preparation method of an imitated natural emerald ceramic brick comprises the steps of (1) preparing a base material A and a base material B, wherein the composition ratio of powder used for preparing the base material A and the base material B is the same as that of a ceramic blank; the base material A and the base material B are prepared, so that the jadeite effect after sintering of the green body can be enhanced to be close to the glaze pattern, the jadeite effect is rich and colorful, the brick surface is finer and smoother, and the quality of a ceramic tile product is higher.
The preparation method of a kind of imitation natural jadeite porcelain tile, the dry powder in the following examples is purchased, the dry particle composition is very many, still need to formulate while using, it is all accurate to the range value in general, but it is difficult to accurate to the point value, therefore the numerical value used in the following examples is mainly range value; the overglaze B and the transparent glaze are also purchased, and then the components are added and removed for preparation, and the component proportion is accurate to a range value.
The present invention will be described in detail by way of examples. It is 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 in light of the foregoing description are intended to be included within the scope of the invention. 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
A preparation method of an imitated natural emerald ceramic tile comprises the following steps:
(1) Material distribution: distributing the ceramic blank by using a press, mixing two pigments with powder respectively to obtain two color base materials, wherein the weight ratio of the pigment A to the powder is 1;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic blank before applying the overglaze B, wherein the water spraying amount is 80g/m 2 B, carrying out the following steps of; uniformly coating the overglaze B on the dried ceramic color blank with the jade effect to obtain a ceramic blank body applied with the overglaze B; the glazing amount of the overglaze B is 480g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic blank body to which the overglaze B is applied, and drying to obtain the ceramic blank body to which the transparent glaze is applied; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink-jet printing: printing a pattern on the ceramic blank with the transparent glaze in an inkjet manner, selecting a jadeite-like pattern, carrying out color mixing by a computer PS, optimizing the color of the pattern, and then carrying out inkjet printing to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank printed by ink-jet printing by using a glue drying and granulating machine to obtain a ceramic blank printed with the digital glue; the gray level of the digital glue is 50%; a cloth dry particle and dry particle sucking device is arranged behind each digital glue, and 4 groups of digital glue channels are arranged on a glue dry particle machine;
(6) Distributing dry granules with different jade effects: firstly, coating Shi Ganli A and dry particles B on a ceramic blank printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 2.9; uniformly coating a layer of dry particles C to obtain a ceramic blank coated with the dry particles for the first time; the redundant dry particles can be sucked and recycled by a recycling machine;
(7) Applying a covering glaze: 1) If the ceramic green body is not polished, uniformly spraying a covering glaze consisting of the dry particles D and a ceramic glaze suspending agent on the ceramic green body on which the dry particles are primarily distributed, so that the surface of the brick has a more bright jade effect; 2) If the polishing process is full polishing, firstly uniformly spraying a layer of dry particles D on the ceramic blank on which the dry particles are firstly distributed, and then spraying transparent glaze as covering glaze, wherein the application amount of the transparent glaze is 230g/m 2 (ii) a Preparing a non-polished ceramic body according to the step 1), and preparing a fully polished ceramic body according to the step 2);
(8) And (3) firing: sending the non-polished ceramic body and the fully polished ceramic body with the cover glaze applied in the step (7) into a firing process, wherein the firing temperature is 1200 ℃, and firing to obtain the natural jade imitation ceramic tile (respectively a fully polished tile and a non-polished tile); when the finished product is fully polished, the parameters of the fully polished grinding block are as follows: 240 meshes 6, 320 meshes 8, 400 meshes 8, 600 meshes 12, 800 meshes 8,1000 meshes 5,1500 meshes 5, 2000 meshes 4, 3000 meshes 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 according to weight percentage 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises SiO 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 2 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 of the total weight of the alloy; the particle size distribution of the dry particles A is as follows: 90-95% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes;
the dry particles B are calculated according to weight percentageThe method comprises the following steps: siO 2 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 O3% -8%, mgO 0.5% -2%; the particle size distribution of the dry particles B is as follows: 90-95% of 40-80 meshes, 5-10% above 40 meshes and less than 5% below 80 meshes;
the dry particles C comprise the following components in percentage by weight: siO 2 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 to 2 percent; the particle size distribution of the dry particles C is: 85-90% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes;
the dry particles D comprise the following components in percentage by weight: siO 2 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% of SrO 3-6%; the particle composition of the dry particles D is as follows: 85% -90% of 100-200 meshes, more than 100 meshes by 5% -10%, less than 200 meshes by less than 5%;
the transparent glaze comprises SiO 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 dosage of the dry particles C is as follows: 80g/m 2 The dosage of the dry granules D is as follows: 300g/m 2 。
Example 2
A preparation method of an imitated natural emerald ceramic tile comprises the following steps:
(1) Material distribution: distributing the ceramic blank by using a press, mixing two pigments with powder respectively to obtain two color base materials, wherein the weight ratio of the pigment A to the powder is 3;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic blank before applying the overglaze B, wherein the water spraying amount is 100g/m 2 B, carrying out the following steps of; uniformly coating the overglaze B on the dried ceramic color blank with the jadeite effect to obtain a ceramic blank body applied with the overglaze B; the glazing amount of the overglaze B is 500g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic blank body applied with the overglaze B, and drying to obtain the ceramic blank body applied with the transparent glaze; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink-jet printing: printing a pattern on the ceramic blank with the transparent glaze in an inkjet manner, selecting a jadeite-like pattern, carrying out color mixing by a computer PS, optimizing the color of the pattern, and then carrying out inkjet printing to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank printed by ink jet by using a glue drying and granulating machine to obtain a ceramic blank printed with the digital glue; the gray level of the digital glue is 60 percent; a cloth dry particle and dry particle sucking device is arranged behind each digital glue, and 4 groups of digital glue channels are arranged on a glue dry particle machine;
(6) Distributing dry granules with different jade effects: firstly, coating Shi Ganli A and dry particles B on a ceramic blank printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 3.1; uniformly coating a layer of dry particles C to obtain a ceramic blank coated with the dry particles for the first time; the redundant dry particles can be sucked and recycled by a recycling machine;
(7) Applying a covering glaze: 1) If the ceramic green body is not polished, uniformly spraying a covering glaze consisting of the dry particles D and a ceramic glaze suspending agent on the ceramic green body on which the dry particles are primarily distributed, so that the surface of the brick has a more bright jade effect; 2) If the polishing process is full polishing, firstly uniformly spraying a layer of dry particles D on the ceramic blank on which the dry particles are firstly distributed, and then spraying transparent glaze as covering glaze, wherein the application amount of the transparent glaze is 230-250 g/m 2 (ii) a Preparing a non-polished ceramic body according to the step 1), and preparing a fully polished ceramic body according to the step 2);
(8) And (3) firing: sending the non-polished ceramic body and the fully polished ceramic body with the cover glaze applied in the step (7) into a firing process, wherein the firing temperature is 1200 ℃, and firing to obtain the natural jade imitation ceramic tile (respectively a fully polished tile and a non-polished tile); when the finished product is fully polished, the parameters of the full-polishing grinding block are as follows: 240 meshes 6, 320 meshes 8, 400 meshes 8, 600 meshes 12, 800 meshes 8,1000 meshes 5,1500 meshes 5, 2000 meshes 4, 3000 meshes 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 according to weight percentage 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises SiO 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 2 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 of the total weight of the alloy; the particle size distribution of the dry particles A is as follows: 90-95% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes;
the dry particles B comprise the following components in percentage by weight: siO 2 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 O3% -8%, mgO 0.5% -2%; the particle size distribution of the dry particles B is as follows: 90-95% of 40-80 meshes, 5-10% above 40 meshes and less than 5% below 80 meshes;
the dry particles C comprise the following components in percentage by weight: siO 2 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 to 2 percent; the particle size distribution of the dry particles C is: 85% -90% of 60-120 meshes, 5% -10% above 60 meshes and less than 5% below 120 meshes;
the dry particles D comprise the following components in percentage by weight: siO 2 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% of SrO 3-6%; the particle composition of the dry particles D is as follows: 85-90% of 100-200 meshes, 5-10% above 100 meshes and less than 5% below 200 meshes;
the transparent glaze comprises SiO 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 dosage of the dry particles C is as follows: 80g of m/m 2 The dosage of the dry granules D is as follows: 330g/m 2 。
Example 3
A preparation method of an imitated natural emerald ceramic tile comprises the following steps:
(1) Material distribution: distributing the ceramic blank by using a press, mixing two pigments with powder respectively to obtain two color base materials, wherein the weight ratio of the pigment A to the powder is 2;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic blank before applying the overglaze B, wherein the water spraying amount is 90g/m 2 B, carrying out the following steps of; uniformly coating the overglaze B on the dried ceramic color blank with the jade effect to obtain a ceramic blank body applied with the overglaze B; the glazing amount of the overglaze B is 490g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic blank body applied with the overglaze B, and drying to obtain the ceramic blank body applied 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 manner, selecting the jadeite-imitated patterns, adjusting colors through a computer PS, optimizing the colors of the patterns, and then performing inkjet printing to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank printed by ink jet by using a glue drying and granulating machine to obtain a ceramic blank printed with the digital glue; the gray level of the digital glue is 55%; a cloth dry particle and dry particle sucking device is arranged behind each digital glue, and 4 groups of digital glue channels are arranged on a glue dry particle machine;
(6) Distributing dry granules with different jade effects: firstly, coating Shi Ganli A and dry particles B on a ceramic blank printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 3:7; uniformly coating a layer of dry particles C to obtain a ceramic blank coated with the dry particles for the first time; the redundant dry particles can be sucked and recycled by a recycling machine;
(7) Applying a covering glaze: 1) If the ceramic blank is not polished, uniformly spraying a cover glaze consisting of the dry particles D and a ceramic glaze suspending agent on the ceramic blank subjected to the primary dry particle distribution, so that the brick surface has a brighter emerald effect; 2) If the polishing process is full polishing, firstly uniformly spraying a layer of dry particles D on the ceramic blank on which the dry particles are firstly distributed, and then spraying the transparent glaze as the covering glaze, wherein the application amount of the transparent glaze is 240g/m 2 (ii) a Preparing a non-polished ceramic body according to the step 1), and preparing a fully polished ceramic body according to the step 2);
(8) And (3) firing: sending the non-polished ceramic body coated with the glaze in the step (7) and the fully polished ceramic body into a firing process, wherein the firing temperature is 1200 ℃, and firing to obtain the natural jade-like ceramic bricks (respectively a fully polished brick and a non-polished brick); when the finished product is fully polished, the parameters of the fully polished grinding block are as follows: 240 meshes 6, 320 meshes 8, 400 meshes 8, 600 meshes 12, 800 meshes 8,1000 meshes 5,1500 meshes 5, 2000 meshes 4, 3000 meshes 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 according to weight percentage 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises SiO 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 2 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 of the total weight of the alloy; the particle size distribution of the dry particles A is as follows: 90-95% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes;
the dry particles B comprise the following components in percentage by weight: siO 2 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 O3-8% and MgO 0.5-2%; the particle size distribution of the dry particles B is as follows: 90-95% of 40-80 meshes, 5-10% above 40 meshes and less than 5% below 80 meshes;
the dry particles C comprise the following components in percentage by weight: siO 2 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 to 2 percent; the particle size distribution of the dry particles C is as follows: 85% -90% of 60-120 meshes, 5% -10% above 60 meshes and less than 5% below 120 meshes;
the dry particles D comprise the following components in percentage by weight: siO 2 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% of SrO 3-6%; the particle composition of the dry particles D is as follows: 85-90% of 100-200 meshes, 5-10% above 100 meshes and less than 5% below 200 meshes;
the transparent glaze comprises SiO 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 dosage of the dry particles C is as follows: 82g/m 2 The dosage of the dry granules D is as follows: 310g/m 2 。
Example 4
A preparation method of an imitated natural emerald ceramic tile comprises the following steps:
(1) Material distribution: distributing the ceramic blank by using a press, mixing two pigments with powder respectively to obtain two color base materials, wherein the weight ratio of the pigment A to the powder is 2;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic blank before applying the overglaze B, wherein the water spraying amount is 90g/m 2 B, carrying out the following steps of; uniformly coating the overglaze B on the dried ceramic color blank with the jade effect to obtain a ceramic blank body applied with the overglaze B; the glazing amount of the overglaze B is 490g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic blank body applied with the overglaze B, and drying to obtain the ceramic blank body applied with the transparent glaze; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink-jet printing: printing a pattern on the ceramic blank with the transparent glaze in an inkjet manner, selecting a jadeite-like pattern, carrying out color mixing by a computer PS, optimizing the color of the pattern, and then carrying out inkjet printing to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank printed by ink-jet printing by using a glue drying and granulating machine to obtain a ceramic blank printed with the digital glue; the gray level of the digital glue is 55%; a cloth dry particle and dry particle sucking device is arranged behind each digital glue, and 4 groups of digital glue channels are arranged on a glue dry particle machine;
(6) Distributing dry granules with different jade effects: firstly, coating Shi Ganli A and dry particles B on a ceramic blank printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 3:7; uniformly coating a layer of dry particles C to obtain a ceramic blank coated with the dry particles for the first time; the redundant dry particles can be sucked and recycled by a recycling machine;
(7) Applying coverAnd (3) glaze: 1) If the ceramic green body is not polished, uniformly spraying a covering glaze consisting of the dry particles D and a ceramic glaze suspending agent on the ceramic green body on which the dry particles are primarily distributed, so that the surface of the brick has a more bright jade effect; 2) If the full polishing is carried out, firstly, uniformly spraying a layer of dry particles D on the ceramic blank body on which the dry particles are firstly applied, and then spraying the transparent glaze as the covering glaze, wherein the application amount of the transparent glaze is 240g/m 2 (ii) a Preparing a non-polished ceramic body according to the step 1), and preparing a fully polished ceramic body according to the step 2);
(8) And (3) firing: sending the non-polished ceramic body coated with the glaze in the step (7) and the fully polished ceramic body into a firing process, wherein the firing temperature is 1200 ℃, and firing to obtain the natural jade-like ceramic bricks (respectively a fully polished brick and a non-polished brick); when the finished product is fully polished, the parameters of the fully polished grinding block are as follows: 240 meshes 6, 320 meshes 8, 400 meshes 8, 600 meshes 12, 800 meshes 8,1000 meshes 5,1500 meshes 5, 2000 meshes 4, 3000 meshes 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 according to weight percentage 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises SiO 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 2 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 of the total weight of the alloy; the granularity of the dry particles A is 60-120 meshes;
the dry particles B comprise the following components in percentage by weight: siO 2 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 O3% -8%, mgO 0.5% -2%; the granularity of the dry particles B is 40-80 meshes;
the dry particles C comprise the following components in percentage by weight: siO 2 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 to 2 percent; the granularity of the dry particles C is 60-120 meshes;
the dry particles D comprise the following components in percentage by weight: siO 2 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% of SrO 3-6%; the particle size of the dry particles D is 100-200 meshes;
the transparent glaze comprises SiO 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 dosage of the dry particles C is as follows: 82g/m 2 The dosage of the dry granules D is as follows: 310g/m 2 。
Comparative example 1
A preparation method of an imitated natural emerald ceramic tile comprises the following steps:
(1) Material distribution: distributing the ceramic blank by using a press, mixing two pigments with the powder respectively to form base materials with two colors, wherein the weight ratio of the pigment A to the powder is 2;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic blank before applying the overglaze B, wherein the water spraying amount is 90g/m 2 B, carrying out the following steps of; uniformly coating the overglaze B on the dried ceramic color blank with the jade effect to obtain a ceramic blank body applied with the overglaze A; the glazing amount of the overglaze A is 490g/m 2 ；
(3) Coating of transparent glaze: will be provided withUniformly coating the transparent glaze on the ceramic blank body applied with the overglaze A, and drying to obtain the ceramic blank body applied with the transparent glaze; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink-jet printing: printing a pattern on the ceramic blank with the transparent glaze in an inkjet manner, selecting a jadeite-like pattern, carrying out color mixing by a computer PS, optimizing the color of the pattern, and then carrying out inkjet printing to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank printed by ink-jet printing by using a glue drying and granulating machine to obtain a ceramic blank printed with the digital glue; the gray level of the digital glue is 55%; a cloth dry particle and dry particle sucking device is arranged behind each digital glue, and 4 groups of digital glue channels are arranged on a glue dry particle machine;
(6) Distributing dry granules with different jade effects: firstly, coating Shi Ganli A and dry particles B on a ceramic blank printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 3:7; uniformly coating a layer of dry particles C to obtain a ceramic blank coated with the dry particles for the first time; the redundant dry particles can be sucked and recycled by a recycling machine;
(7) Applying a covering glaze: 1) If the ceramic green body is not polished, uniformly spraying a covering glaze consisting of the dry particles D and a ceramic glaze suspending agent on the ceramic green body on which the dry particles are primarily distributed, so that the surface of the brick has a more bright jade effect; 2) If the full polishing is carried out, firstly, uniformly spraying a layer of dry particles D on the ceramic blank body on which the dry particles are firstly applied, and then spraying the transparent glaze as the covering glaze, wherein the application amount of the transparent glaze is 240g/m 2 (ii) a Preparing a non-polished ceramic body according to the step 1), and preparing a fully polished ceramic body according to the step 2);
(8) And (3) firing: sending the non-polished ceramic body and the fully polished ceramic body with the cover glaze applied in the step (7) into a firing process, wherein the firing temperature is 1200 ℃, and firing to obtain the natural jade imitation ceramic tile (respectively a fully polished tile and a non-polished tile); when the finished product is fully polished, the parameters of the fully polished grinding block are as follows: 240 meshes 6, 320 meshes 8, 400 meshes 8, 600 meshes 12, 800 meshes 8,1000 meshes 5,1500 meshes 5, 2000 meshes 4, 3000 meshes 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 according to weight percentage 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze A comprises SiO 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 2 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 of the total weight of the alloy; the particle size distribution of the dry particles A is as follows: 90-95% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes;
the dry particles B comprise the following components in percentage by weight: siO 2 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 O3% -8%, mgO 0.5% -2%; the particle size distribution of the dry particles B is as follows: 90-95% of 40-80 meshes, 5-10% above 40 meshes and less than 5% below 80 meshes;
the dry particles C comprise the following components in percentage by weight: siO 2 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 to 2 percent; the particle size distribution of the dry particles C is: 85-90% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes;
the dry particles D comprise the following components in percentage by weight: siO 2 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% of SrO 3-6%; the particle composition of the dry particles D is as follows: 85-90% of 100-200 meshes, 5-10% above 100 meshes and less than 200 meshes5%；
The transparent glaze comprises SiO 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 dosage of the dry particles C is as follows: 82g/m 2 The dosage of the dry granules D is as follows: 310g/m 2 。
Comparative example 2
A preparation method of an imitated natural emerald ceramic tile comprises the following steps:
(1) cloth: distributing the ceramic blank by using a press, mixing two pigments with powder respectively to obtain two color base materials, wherein the weight ratio of the pigment A to the powder is 2;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic blank before applying the overglaze B, wherein the water spraying amount is 90g/m 2 B, carrying out the following steps of; uniformly coating the overglaze B on the dried ceramic color blank with the jadeite effect to obtain a ceramic blank body applied with the overglaze B; the glazing amount of the overglaze B is 490g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic blank body applied with the overglaze B, and drying to obtain the ceramic blank body applied with the transparent glaze; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink-jet printing: printing a pattern on the ceramic blank with the transparent glaze in an inkjet manner, selecting a jadeite-like pattern, carrying out color mixing by a computer PS, optimizing the color of the pattern, and then carrying out inkjet printing to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank printed by ink-jet printing by using a glue drying and granulating machine to obtain a ceramic blank printed with the digital glue; the gray level of the digital glue is 55%; a cloth dry particle and dry particle sucking device is arranged behind each digital glue, and 4 groups of digital glue channels are arranged on a glue dry particle machine;
(6) Distributing dry granules with different jade effects: firstly, coating Shi Ganli A and dry particles B on a ceramic blank printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 3:7; uniformly coating a layer of dry particles C to obtain a ceramic blank coated with the dry particles for the first time; the redundant dry particles can be sucked and recycled by a recycling machine;
(7) Applying a covering glaze: 1) If not, the dry particles D and the transparent glaze are not sprayed; 2) If the polishing is full polishing, uniformly spraying transparent glaze as covering glaze on the ceramic blank on which the dry particles are firstly distributed, wherein the application amount of the transparent glaze is 240g/m 2 (ii) a Preparing a non-polished ceramic body according to the step 1), and preparing a fully polished ceramic body according to the step 2);
(8) And (3) firing: sending the non-polished ceramic body and the fully polished ceramic body with the cover glaze applied in the step (7) into a firing process, wherein the firing temperature is 1200 ℃, and firing to obtain the natural jade imitation ceramic tile (respectively a fully polished tile and a non-polished tile); when the finished product is fully polished, the parameters of the full-polishing grinding block are as follows: 240 meshes 6, 320 meshes 8, 400 meshes 8, 600 meshes 12, 800 meshes 8,1000 meshes 5,1500 meshes 5, 2000 meshes 4, 3000 meshes 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 according to weight percentage 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises SiO 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 2 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 of the total weight of the alloy; the particle size distribution of the dry particles A is as follows: 60 to 120 meshes of 90 to 9 percent5 percent, 5 to 10 percent above 60 meshes and less than 5 percent below 120 meshes;
the dry particles B comprise the following components in percentage by weight: siO 2 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 O3% -8%, mgO 0.5% -2%; the particle size distribution of the dry particles B is as follows: 90-95% of 40-80 meshes, 5-10% above 40 meshes and less than 5% below 80 meshes;
the dry particles C comprise the following components in percentage by weight: siO 2 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 to 2 percent; the particle size distribution of the dry particles C is: 85-90% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes;
the transparent glaze comprises SiO 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 dosage of the dry granules C is as follows: 82g/m 2 。
Comparative example 3
A preparation method of an imitated natural jade porcelain tile comprises the following steps:
(1) Material distribution: distributing the ceramic blank by using a press, mixing two pigments with powder respectively to obtain two color base materials, wherein the weight ratio of the pigment A to the powder is 2;
(2) Coating of overglaze B: spraying water on the outer surface of the ceramic blank before applying the overglaze B, wherein the water spraying amount is 90g/m 2 B, carrying out the following steps of; uniformly coating the overglaze B on the dried ceramic color blank with the jade effect to obtain a ceramic blank body applied with the overglaze B; the glazing amount of the overglaze B is 490g/m 2 ；
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic blank body to which the overglaze B is applied, and drying to obtain the ceramic blank body to which the transparent glaze is applied; the glazing amount of the transparent glaze is 250g/m 2 ；
(4) Ink-jet printing: printing a pattern on the ceramic blank with the transparent glaze in an inkjet manner, selecting a jadeite-like pattern, carrying out color mixing by a computer PS, optimizing the color of the pattern, and then carrying out inkjet printing to obtain an inkjet-printed ceramic blank;
(5) Printing digital glue: printing digital glue on the ceramic blank printed by ink-jet printing by using a glue drying and granulating machine to obtain a ceramic blank printed with the digital glue; the gray level of the digital glue is 55%; a cloth dry particle and dry particle sucking device is arranged behind each digital glue, and 4 groups of digital glue channels are arranged on a glue dry particle machine;
(6) Distributing dry granules with different jade effects: firstly, coating Shi Ganli A on a ceramic blank printed with digital glue to obtain a ceramic blank coated with dry particles for the first time; the redundant dry particles can be sucked and recycled by a recycling machine;
(7) Applying a covering glaze: 1) If not, the transparent glaze is not sprayed; 2) If the polishing is full polishing, a layer of transparent glaze is uniformly sprayed on the ceramic blank on which the dry particles are firstly distributed for the first time to serve as the covering glaze, and the application amount of the transparent glaze is 240g/m 2 (ii) a Preparing a non-polished ceramic body according to the step 1), and preparing a fully polished ceramic body according to the step 2);
(8) And (3) firing: sending the non-polished ceramic body coated with the glaze in the step (7) and the fully polished ceramic body into a firing process, wherein the firing temperature is 1200 ℃, and firing to obtain the natural jade-like ceramic bricks (respectively a fully polished brick and a non-polished brick); when the finished product is fully polished, the parameters of the fully polished grinding block are as follows: 240 meshes 6, 320 meshes 8, 400 meshes 8, 600 meshes 12, 800 meshes 8,1000 meshes 5,1500 meshes 5, 2000 meshes 4, 3000 meshes 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 according to weight percentage 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 O 1～5%；
The overglaze B comprises SiO 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 2 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 PbO, 0.5 to 2 percent of PbO; the particle size distribution of the dry particles A is as follows: 90-95% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes;
the transparent glaze comprises SiO 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 。
Respectively putting the natural jade porcelain imitating bricks prepared in the examples 1 to 4 and the comparative examples 1 to 3 into a cold and hot alternating environment of +/-75 ℃ for 24 hours, and observing whether the product has glaze cracks or not; the patterns of the imitated natural jade porcelain 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
Item Pattern stereoscopic impression Appearance rate of brick-shaped tortoises (%) Whether glaze crack appears Jadeite effect
Example 1 The color tone is not single, and the stereoscopic impression of 3D is provided 0.01 Whether or not Bright and vivid
Example 2 The color tone is not single, and the stereoscopic impression of 3D is provided 0.01 Whether or not Vivid and lifelike
Example 3 The color tone is not single, and the stereoscopic impression of 3D is provided 0.01 Whether or not Bright and vivid
Example 4 The color tone is not single, and the stereoscopic impression of 3D is provided 0.01 Whether or not Not bright but high fidelity
Comparative example 1 The color tone is not single, and the stereoscopic impression of 3D is provided 6.5 Whether or not Vivid and lifelike
Comparative example 2 Different color tones and slightly poor 3D stereoscopic impression 0.01 Whether or not Not bright enough and general fidelity
Comparative example 3 Single color tone and poor 3D stereoscopic impression 0.01 Whether or not Not bright enough and poorer fidelity
According to the observation results, the method for preparing the natural jadeite-imitated ceramic brick comprises the steps of distributing materials by a press to enable a green body to have a jadeite effect after being sintered and a surface decoration pattern, then printing the jadeite-imitated effect pattern on a glaze surface by ink jet, distributing a plurality of dry particles with the jadeite effect on the ink jet printed pattern, enabling the jadeite effect of the dry particles to be completely consistent with the ink jet printing effect, enabling the jadeite effect to have a 3D stereoscopic impression, enabling the tone to be not single and the jadeite effect to be rich and colorful, finally spraying the dry particles to cover or spraying transparent glaze to cover, enabling the obtained product to enter a kiln to be fired at high temperature after the glaze line process is finished, and then obtaining a bright special jadeite effect brick by a full polishing process, or forming the porcelain-imitated ancient brick with the special jadeite effect without polishing; compared with the traditional secondary sintering process, the method disclosed by the invention does not need secondary sintering, the connection between the texture of the cloth and the pattern is tighter, the stereoscopic impression of the pattern is stronger, the glaze effect is good, the glaze crack is not easy to occur even the cloth is placed in a cold and hot alternating environment for a long time, the strength of the product is high, and the quality of the product is good; in the preparation process of the product, the transparent glaze is required to be sprayed twice for the full-polished tile, so that the tile shape is relatively to a tortoise in general, and the normal overglaze A (the overglaze A comprises SiO 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 will be inclined to tortoise, adjust the composition proportion and expansion coefficient of overglaze to obtain overglaze B, the expansion coefficient of overglaze B is greater than overglaze A, the brick shape can be adjusted to be within the standard range after overglaze B is used, can reduce the defective rate of products by a wide margin; the granularity grade ratio of the dry grains A and the dry grains B is limited, the dry grains A and the dry grains B are in yellow-green tone at the place where the gray level of the ink-jet printing pattern is lower, and a more vivid emerald 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 jade effect and the contrast of patterns of the dry particles, so that the jade effect is more brilliant, the dry particles C have an ultra-white effect after being fired, the granularity grade ratio of the dry particles C is further limited, the jade effect and the contrast of the patterns of the dry particles are high, the dry particles C are not pseudo-white after being fired, the simulation effect is better, and the glaze surface is more vivid; the dry particles D are used as the main material of the cover glaze, and the granularity grade ratio of the dry particles D is further limited, so that the dry particles D have good dispersion effect, can not agglomerate, and can present a more bright jade effect.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. A preparation method of an imitated natural emerald ceramic tile is characterized by comprising the following steps:
(1) Material distribution: distributing the ceramic blank by using a press, mixing two pigments with powder respectively to obtain two color base materials, wherein the weight ratio of the pigment A to the powder is 1-3, the weight ratio of the pigment B to the powder is 1-3, the base material A is obtained from 100, and the base material A, the base material B and the uncombined base material are subjected to press forming by using a press machine to perform pattern texture distribution powder to obtain a green jade effect color blank;
(2) Coating of overglaze B: uniformly coating the overglaze B on the dried ceramic color blank with the jadeite effect to obtain a ceramic blank body applied with the overglaze B;
(3) Coating of transparent glaze: uniformly coating the transparent glaze on the ceramic blank body to which the overglaze B is applied, and drying to obtain the ceramic blank body to which the transparent glaze is applied;
(4) Ink-jet printing: printing a pattern on the ceramic blank body applied with the transparent glaze in an ink-jet manner to obtain an ink-jet printed ceramic blank body;
(5) Printing digital glue: printing digital glue on the ceramic blank printed by ink-jet printing by using a glue drying and granulating machine to obtain a ceramic blank printed with the digital glue;
(6) Distributing dry granules with different jade effects: firstly, coating Shi Ganli A and dry particles B on a ceramic blank printed with digital glue, wherein the weight ratio of the dry particles A to the dry particles B is 2.9-3.1; uniformly coating a layer of dry particles C to obtain a ceramic blank coated with the dry particles for the first time;
(7) Applying a covering glaze: 1) If the ceramic blank is not polished, uniformly spraying a cover glaze consisting of the dry particles D and a ceramic glaze suspending agent on the ceramic blank subjected to the primary dry particle distribution, so that the brick surface has a brighter emerald effect; 2) If the polishing process is full polishing, firstly uniformly spraying a layer of dry particles D on the ceramic blank on which the dry particles are firstly distributed, and then spraying transparent glaze as covering glaze, wherein the application amount of the transparent glaze is 230-250 g/m 2 ；
(8) And (3) firing: sending the ceramic body with the cover glaze applied in the step (7) to a firing process, and firing to obtain the natural jade imitation 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 according to weight percentage 2 45～50%，SiO 2 25%～35%，Pr6O 11 20～30%，K 2 1 to 5 percent of O; the overglaze B comprises SiO 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 2 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 2 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 2 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 2 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%。
2. The method for preparing an artificial jade porcelain tile according to claim 1, wherein water is sprayed onto the outer surface of the ceramic body before the overglaze B is applied in the step (2), the water spraying amount is 80-100 g/m 2 The glazing amount of the overglaze B is 480-500 g/m 2 。
3. The method for preparing an imitated natural emerald ceramic tile according to claim 1, wherein the gray level of the digital glue in the step (5) is 50-60%.
4. The method for preparing the natural emerald ceramic tile according to claim 1, wherein the weight ratio of the dry particles A to the dry particles B in the step (6) is 3:7.
5. The method for preparing the natural emerald ceramic tile according to claim 1, wherein the grain composition of the dry particles A is as follows: 90-95% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes.
6. The method for preparing the natural emerald ceramic tile according to claim 1, wherein the grain composition of the dry particles B is as follows: 90 to 95 percent of 40 to 80 meshes, 5 to 10 percent of more than 40 meshes and less than 5 percent of less than 80 meshes.
7. The method for preparing the natural jade-like porcelain tile according to claim 1, wherein the grain composition of the dry particles C is as follows: 85-90% of 60-120 meshes, 5-10% above 60 meshes and less than 5% below 120 meshes.
8. The method for preparing the natural jade-like porcelain tile according to claim 1, wherein the dry grain D has a grain composition of: 85-90% of 100-200 meshes, 5-10% above 100 meshes and less than 5% below 200 meshes.
9. The method for preparing the natural emerald ceramic tile according to claim 1, wherein the transparent glaze comprises SiO 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%。
10. The method for preparing natural emerald ceramic tile according to claim 1, wherein when the finished product is fully polished in the step (8), the parameters of the fully polished grinding block are as follows: 240 × 6, 320 × 8, 400 × 8, 600 × 12, 800 × 8,1000 × 5,1500 × 5, 2000 × 4, 3000 × 4.
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Publication number Priority date Publication date Assignee Title
CN110054414A (en) * 2019-06-20 2019-07-26 蒙娜丽莎集团股份有限公司 Mix dry granular, there is color Aero Glass dry granular glaze ornamental porcelain brick and preparation method thereof
CN110396005A (en) * 2019-06-20 2019-11-01 蒙娜丽莎集团股份有限公司 A kind of stereoscopic localized effect dry granular throws Ceramic Tiles and preparation method entirely
US20200140344A1 (en) * 2017-03-24 2020-05-07 Monalisa Group Co., Ltd. Semi-transparent ceramic sheet decorated with ink light-absorbance and preparation method thereof
CN112010676A (en) * 2020-10-26 2020-12-01 佛山市东鹏陶瓷发展有限公司 Production process of ceramic tile with three-dimensional positioning dry particles and product thereof
CN112341157A (en) * 2021-01-05 2021-02-09 佛山市品为先陶瓷有限公司 Preparation method of pattern decorative ceramic tile with strong stereoscopic impression and ceramic tile

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200140344A1 (en) * 2017-03-24 2020-05-07 Monalisa Group Co., Ltd. Semi-transparent ceramic sheet decorated with ink light-absorbance and preparation method thereof
CN110054414A (en) * 2019-06-20 2019-07-26 蒙娜丽莎集团股份有限公司 Mix dry granular, there is color Aero Glass dry granular glaze ornamental porcelain brick and preparation method thereof
CN110396005A (en) * 2019-06-20 2019-11-01 蒙娜丽莎集团股份有限公司 A kind of stereoscopic localized effect dry granular throws Ceramic Tiles and preparation method entirely
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