CN-117567032-B - Ice crystal dry particles, preparation method thereof and ceramic tile

CN117567032BCN 117567032 BCN117567032 BCN 117567032BCN-117567032-B

Abstract

The invention discloses ice crystal dry particles, a preparation method thereof and a ceramic tile, and relates to the technical field of ceramic tiles. The ice crystal dry particles are prepared from a first flashing frit, a second flashing frit and a matte frit. The ice crystal dry particles are formed by combining three frits with different refractive indexes and sintering temperatures, different phases can be formed due to different sintering temperatures of the frits, and the light transmittance and the refractive indexes between the phases are utilized to form better flashing effect.

Inventors

YUAN HONGJIAN
LI YANPING
LIANG SHENGYUAN

Assignees

广东能强陶瓷有限公司

Dates

Publication Date: 20260505
Application Date: 20231025

Claims (7)

1. A dry ice crystal grain, wherein the dry ice crystal grain comprises a first flash frit, a second flash frit and a matte frit; The chemical composition of the first flashing frit is ：SiO 2 :60～70%、Al 2 O 3 :15.3～18.6%、CaO:5.1～8.5%、Na 2 O:3.0～7.4%、K 2 O:0.5～2.1%、ZnO:1.1～2%、TiO 2 :0.8～1.3%, percent by mass, and the balance is loss on ignition; the chemical composition of the second flashing frit is ：SiO 2 :56.2～60%、Al 2 O 3 :11.3～14.5%、CaO:8.2～9.8%、ZnO:5.7～6.9%、MgO:2.1～3.1%、K 2 O:4.4～6.2%、Na 2 O:1.5～3.1%, percent by mass, and the balance is loss on ignition; The chemical composition of the matte frit is ：SiO 2 :54～61%、Al 2 O 3 :17～21%、CaO: 4.9～5.6%、K 2 O :4.9～5.5%、Na 2 O :6.0～7.0%、BaO :1.2～2.1%、Li 2 O:0.2～0.3%、F:0.05～0.1%、SrO:0.08～0.2%, percent by mass, and the balance is loss on ignition.
2. The ice crystal dry pellet of claim 1, wherein the weight ratio of the first flash frit, the second flash frit, and the matte frit is 2:3:2.
3. The method for preparing ice crystal dry granules according to claim 1 or 2, wherein the first flashing frit, the second flashing frit and the matte frit are ball-milled and sieved to obtain mixed powder, the auxiliary agent and water are stirred and mixed uniformly to obtain mixed slurry, and the mixed slurry is granulated by a centrifugal spray drying tower to obtain the ice crystal dry granules.
4. A method of preparing ice crystal dry particles according to claim 3, wherein the adjuvants include polyvinyl alcohol, bentonite and sodium lignin carbonate.
5. The method for producing ice crystal dry particles according to claim 3, wherein the ice crystal dry particles have a particle diameter of 100 to 150. Mu.m.
6. The method for producing ice crystal dry particles according to claim 3, wherein the temperature in the centrifugal spray drying tower is 250 to 350 ℃.
7. The ceramic tile is characterized by comprising a green body, a ground glaze layer arranged on the green body, a pattern layer arranged on the ground glaze layer, a surface glaze layer arranged on the pattern layer, a dry grain layer arranged on the surface glaze layer and a protective glaze layer arranged on the dry grain layer, wherein the dry grain layer is prepared from the ice crystal dry grains according to claim 1 or 2.

Description

Ice crystal dry particles, preparation method thereof and ceramic tile Technical Field The invention relates to the technical field of ceramics, in particular to ice crystal dry particles, a preparation method thereof and a ceramic tile. Background The ceramic tile is widely used as a decorative material for the decoration of the bottom surface and the wall surface. In the prior art, the flash dry-grain ceramic tile is deeply favored by consumption, can show a flash effect under the light, and is widely applied to some entertainment places such as hotels, bars and the like. However, existing sparkling dry grain tiles generally produce sparkling effects by refractive action of the crystals forming pyroxene and trabecular, or by the introduction of diamond lustre sand having a high refractive index and a high onset temperature. However, these flash components have high demands on the incident light, otherwise, the flash effect is not obvious under normal or dim light conditions. It can be seen that there is a need for improvements and improvements in the art. Disclosure of Invention In view of the shortcomings of the prior art, the invention aims to provide ice crystal dry particles, a preparation method thereof and a ceramic tile, and aims to overcome the defect that the existing ice crystal dry particles have insufficient flashing effect under the condition of dark light. In order to achieve the above purpose, the invention adopts the following technical scheme: And (3) ice crystal dry granules, wherein the ice crystal dry granules comprise a first flashing frit, a second flashing frit and a matte frit. In the ice crystal dry particles, the chemical composition of the first flash frit is ：SiO2:60～70%、Al2O3:15.3～18.6%、CaO:5.1～8.5%、Na2O:3.0～7.4%、K2O:0.5～2.1%、ZnO:1.1～2%、TiO2:0.8～1.3%, percent by mass, and the balance is loss on ignition. The ice crystal dry pellet of claim 1, wherein the second flash frit has a chemical composition of ：SiO2:56.2～60%、Al2O3:11.3～14.5%、CaO:8.2～9.8%、ZnO:5.7～6.9%、MgO:2.1～3.1%、K2O:4.4～6.2%、Na2O:1.5～3.1%,% by mass, the balance being loss on ignition. In the ice crystal dry particles, the chemical composition of the matte frit is ：SiO2:54～61%、Al2O3:17～21%、CaO: 4.9～5.6%、K2O :4.9～5.5%、Na2O :6.0～7.0%、BaO :1.2～2.1%、Li2O:0.2～0.3%、F:0.05～0.1%、SrO:0.08～0.2%, and the balance of loss on ignition according to mass percent. In the ice crystal dry particles, the weight ratio of the first flashing frit to the second flashing frit to the matte frit is 2:3:2. A preparation method of the ice crystal dry particles comprises the steps of taking first flashing frit, second flashing frit and matte frit, ball milling and sieving to obtain mixed powder, taking the mixed powder, an auxiliary agent and water, stirring and uniformly mixing to obtain mixed slurry, and granulating the mixed slurry through a centrifugal spray drying tower to obtain the ice crystal dry particles. In the preparation method of the ice crystal dry particles, the auxiliary agent comprises polyvinyl alcohol, bentonite and lignin sodium carbonate. In the preparation method of the ice crystal dry particles, the particle size of the ice crystal dry particles is 100-150 mu m. In the preparation method of the ice crystal dry particles, the temperature in the centrifugal spray drying tower is 250-350 ℃. The ceramic tile comprises a green body, a ground glaze layer arranged on the green body, a pattern layer arranged on the ground glaze layer, a surface glaze layer arranged on the pattern layer, a dry grain layer arranged on the surface glaze layer and a protective glaze layer arranged on the dry grain layer, wherein the dry grain layer is prepared from the ice crystal dry grains. The beneficial effects are that: the invention provides ice crystal dry particles, a preparation method thereof and a ceramic tile, wherein the ice crystal dry particles are formed by combining three frits with different refractive indexes and sintering temperatures, different phases are formed by using the different sintering temperatures, and better flashing effects are formed by using the difference of light transmittance and refractive indexes between the phases, meanwhile, the matte glaze can be used as a setting off, and the ice crystal dry particles have better flashing effects in both normal light conditions and dim light conditions. The ice crystal dry particles are formed into granules by three different frits through a centrifugal spray drying device, and the ice crystal dry particles with proper size can be obtained, and have good flashing effect. The ceramic tile adopting the ice crystal dry particles as the dry particle layer can obtain higher refractive index, and meanwhile, the matte frit can reduce the gloss of the glaze, so that the ice crystal dry particles can still have a flashing effect under the condition of poor light conditions. Drawings Fig. 1 is a diagram of a ceramic tile with a flashing effect. FIG. 2 is a physical view of the tile of c