CN107619191B - Green-bottom silver flake grain high-temperature crystalline glaze and preparation method thereof - Google Patents
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Abstract
A green-bottom silver flake grain high-temperature crystalline glaze and a preparation method thereof belong to the field of ceramics. The high-temperature crystallized glaze with the green-bottom silver flake patterns is prepared by preparing a high-temperature crystallized glaze material with the green-bottom silver flake patterns, glazing and sintering at a high temperature. The green-bottom silver flake grain high-temperature crystalline glaze comprises the following raw materials in percentage by mass: 33-43 percent of clinker, 23-33 percent of calcined zinc oxide, 13-23 percent of silicon dioxide, 1-5 percent of kaolin, 2-8 percent of titanium dioxide, 1-4 percent of bentonite, 1-6 percent of chalk powder and 1-5 percent of copper carbonate. The frit comprises the following raw materials in percentage by mass: 1-3% of potassium oxide, 10-20% of sodium oxide, 4-10% of calcium oxide, 1-5% of boron trioxide and 65-75% of silicon dioxide. The method enables the ceramic enamel to generate silvery flaky crystals in the green ceramic glaze surface, the crystals are uniformly distributed, and the method has a special artistic effect.
Description
Technical Field
The invention relates to the technical field of ceramics, in particular to a green-bottom silver flake grain high-temperature crystallized glaze and a preparation method thereof.
Background
The ceramic glaze is an important raw material which is necessary to be used in the production of ceramic, has strong protection effect on a ceramic body, and simultaneously, the physical characteristics of the silicate enable the glass enamel on the surface of the ceramic to be effectively resistant to acid-base corrosion, and has good antibacterial property. The common ceramic colored glaze achieves the effect of color development in the firing process by adding a metal colorant into the glass enamel, and the glaze color is often single in color and cannot highlight the artistic aesthetic feeling of the ceramic colored glaze and the special artistic effect generated in the high-temperature firing process. The green-bottom silver flake grain high-temperature crystallized glaze effectively overcomes the defect of single color and color of the ceramic glaze, combines the special crystallization mechanism effect generated by firing the mineral raw material at high temperature with the ceramic material, achieves very natural artistic texture effect, and has extremely high artistic aesthetic value. The formula enables silver flaky crystals to appear on the glaze color of the green ceramic, the crystals are uniformly distributed, and the glaze has a special artistic effect. The glaze formula overcomes many technical difficulties through a plurality of long-time experiments, so that the green silver flake grain high-temperature crystallization ceramic glaze has obvious crystallization effect and stable ceramic glaze performance, and the glaze has high practical application value in the field of wall brick and ceramic artwork decoration inside and outside building rooms.
Disclosure of Invention
The invention aims to provide a high-temperature crystallized glaze with silver flakes on green bottom and a preparation method thereof, which effectively overcome the defect of single color and color of ceramic glaze, combine a special crystallization mechanism effect generated by firing mineral raw materials at high temperature with ceramic materials, achieve very natural artistic texture effect and have extremely high artistic aesthetic value. The technical problem to be solved is to enable the ceramic enamel to generate silvery flaky crystals in the green ceramic glaze, the crystals are uniformly distributed, and the ceramic enamel has special artistic effect. After long-time adjustment and multiple experiments, the glaze formula has the advantages that the surface of the ceramic glaze surface generates a smooth effect, and simultaneously, the physical and chemical properties of the ceramic glaze are stable.
The invention adopts the following technical scheme:
the high-temperature crystallization glaze with the green-bottom silver flake patterns is prepared by preparing a high-temperature crystallization glaze with the green-bottom silver flake patterns, glazing and sintering at a high temperature to prepare the high-temperature crystallization glaze with the green-bottom silver flake patterns, wherein the high-temperature crystallization glaze with the green-bottom silver flake patterns comprises the following raw materials in percentage by mass:
33-43 percent of clinker, 23-33 percent of calcined zinc oxide, 13-23 percent of silicon dioxide, 1-5 percent of kaolin, 2-8 percent of titanium dioxide, 1-4 percent of bentonite, 1-6 percent of chalk powder and 1-5 percent of copper carbonate.
The frit comprises the following raw materials in percentage by mass:
1-3% of potassium oxide, 10-20% of sodium oxide, 4-10% of calcium oxide, 1-5% of boron trioxide and 65-75% of silicon dioxide.
Preferably, the green-bottom silver flake grain high-temperature crystalline glaze comprises the following raw materials in percentage by mass:
38% of clinker, 28% of calcined zinc oxide, 18% of silicon dioxide, 3% of kaolin, 5% of titanium dioxide, 1% of bentonite, 4% of chalk powder and 3% of copper carbonate.
Preferably, the frit comprises the following raw materials in percentage by mass:
1.8% of potassium oxide, 15.9% of sodium oxide, 7% of calcium oxide, 2% of boron trioxide and 73.3% of silicon dioxide.
The green-bottom silver flake high-temperature crystallization glaze can also comprise methyl cellulose, wherein the mass percentage of the methyl cellulose in the total mass of (frit + calcined zinc oxide + silicon dioxide + kaolin + titanium dioxide + bentonite + chalk powder + copper carbonate) is less than or equal to 3%. Preferably 1% to 3%.
The aim of adding methyl cellulose into the green-bottom silver flake grain high-temperature crystallization glaze is to improve the suspension degree of raw materials in the glaze, effectively increase the viscosity of the glaze, ensure that the glaze is firmly, uniformly and stably adhered to the surface of a blank body and improve the brightness and the uniformity of the ceramic glaze.
The invention relates to a preparation method of a high-temperature crystallized glaze with green-bottom silver flake grains, which comprises the following steps of: preparing a high-temperature crystallization glaze material with green-bottom silver flake patterns, glazing and sintering to obtain the high-temperature crystallization glaze material with green-bottom silver flake patterns; the preparation method of the green-bottom silver flake grain high-temperature crystalline glaze comprises the following steps:
step 1, preparation of frit
The preparation method comprises the following steps of mixing the raw materials of the frit according to the mass percentage of the raw materials, heating the raw materials of the frit to 760-800 ℃, firing for 20-40 min, melting into a glassy substance, and cooling with water to obtain the frit.
Step 2, preparing the green-bottom silver flake grain high-temperature crystallization glaze
(1) Preparing raw materials of the green-bottom silver flake grain high-temperature crystalline glaze material according to the mass percentage of the raw materials, adding water into a frit, silicon dioxide, kaolin, titanium dioxide, bentonite and chalk powder, mixing, adding the mixture into a ball mill, wherein the rotating speed of the ball mill is 450-550 rpm, the ball milling time is 4-4.5 h, filtering, and removing impurities which are not ground; wherein, according to the mass ratio, water: (1-1.2) 1: 1;
(2) and adding the rest raw materials into the ball mill, and continuing ball milling at the rotation speed of 450-550 rpm for 0.5-1 h to prepare the green-bottom silver flake grain high-temperature crystalline glaze.
In the step 1, the raw material of the frit is put into a crucible and heated and fired by open fire.
In the step 1, the frit is prepared in a small scale, and a crucible is adopted for water cooling; the frit is manufactured in a large scale, the kiln is used for water cooling, and volatile matters and effective decomposition gas in raw materials can be effectively removed by adopting the method for manufacturing the frit, so that bubbling of a fired glaze surface is reduced.
In the step 2, the water is purified water; the ball mill is a rapid ball mill.
In the step 2(1), the filtering is carried out by adopting a 400-mesh sieve, and after the filtering, the particle size of the raw material is 400-450 meshes.
In the step 2(2), the rest raw materials are copper carbonate and calcined zinc oxide.
Preferably, the ball milling parameters of the ball mill are as follows: adding frit, silicon dioxide, kaolin, titanium dioxide, bentonite and chalk powder into water for ball milling, wherein the rotation speed is preferably 450rpm, and the time is preferably 4-4.5 h; after the rest raw materials are added, the rotating speed is preferably 450rpm, and the time is preferably 1 h;
the preparation method of the green-bottom silver flake grain high-temperature crystallization glaze comprises the steps of preparing the frit in the step 1, preparing the green-bottom silver flake grain high-temperature crystallization glaze in the step 2, adding methyl cellulose into the prepared green-bottom silver flake grain high-temperature crystallization glaze, and uniformly stirring to obtain the green-bottom silver flake grain high-temperature crystallization glaze.
Compared with the prior art, the green-bottom silver flake grain high-temperature crystalline glaze and the preparation method thereof have the following beneficial effects:
1. the glaze color of the high-temperature crystallized glaze with the green-bottom silver flake grains has a special ceramic glaze artistic effect, and the silver metal paillette grains float upwards on the green ceramic glaze surface. The green-bottom silver flake grain high-temperature crystallized glaze has good physical properties, and the crack or falling phenomenon of the glaze surface does not occur in a long-time experiment under the temperature condition of minus 30 ℃. The high-temperature crystallization glaze with the green bottom silver flake patterns has stable chemical performance, can resist common acid-base corrosion except hydrofluoric acid, has wide application, does not contain heavy metals such as lead, chromium and the like, and is green and environment-friendly.
2. The frit is used for manufacturing, so that the process of the glaze is more complicated, but the phenomena of pinholes and low-temperature glaze falling after the glaze is fired, which are caused by gas in raw materials, are reduced. The calcined zinc oxide and the metal copper carbonate are burnt by oxidizing flames in a saturated state to generate a metal excessive crystallization phenomenon, so that the ceramic surface has a flaky special effect of silver metallic luster. The kaolin and the silicon dioxide lead the surface of the glaze phase of the ceramic glass to have stable physical and chemical properties and high firing power, thereby being suitable for preparing a small amount of glaze for artistic ceramics and also suitable for large-scale processing production of large-scale ceramic production enterprises.
3. The high-temperature crystallized glaze porcelain glaze with the green-bottom silver flake patterns has high silicon dioxide content, so that the fired glaze material glass has high glossiness and good permeability.
The method for manufacturing the high-temperature crystallized glaze with the green-bottom silver flake grains has the following advantages:
(1) the frit with the formula is prepared, the proportion of the frit effectively discharges gas and impurities in oxidation, the phenomena of pinholes and stripping of a glaze surface after ceramic sintering are prevented, and meanwhile, the frit plays a key role in preventing bubbles from appearing on the surface of the glaze. The preparation of the frit effectively promotes the zinc oxide to crystallize in the high-temperature firing process and the heat preservation process, generates the silver flake-shaped crystallization artistic effect, and has high artistic aesthetic value.
(2) Secondly, in the manufacturing method, the ball milling time sequence of the raw materials is adjusted; firstly ball-milling frit, silicon dioxide, kaolin, titanium dioxide, bentonite and chalk powder, and then ball-milling copper carbonate and calcined zinc oxide metal oxide.
(3) And finally, the ball milling time is short, so that the glaze can be refined to 400-450 meshes, and after being mixed with water, the glaze can be selectively sprayed on the surface of the porcelain body or glazed by a glazing operator according to the requirement.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
The high-temperature crystallization glaze with the green-bottom silver flake patterns is prepared by preparing a high-temperature crystallization glaze with the green-bottom silver flake patterns, glazing and sintering at a high temperature to prepare the high-temperature crystallization glaze with the green-bottom silver flake patterns, wherein the high-temperature crystallization glaze with the green-bottom silver flake patterns comprises the following raw materials in percentage by mass:
38% of self-made frit, 28% of calcined zinc oxide, 18% of silicon dioxide, 3% of kaolin, 5% of titanium dioxide, 1% of bentonite, 4% of chalk powder and 3% of copper carbonate.
The frit comprises the following raw materials in percentage by mass:
1.8% of potassium oxide, 15.9% of sodium oxide, 7% of calcium oxide, 2% of boron trioxide and 73.3% of silicon dioxide.
A preparation method of a green-bottom silver flake grain high-temperature crystalline glaze comprises the following steps: preparing a high-temperature crystallization glaze material with green-bottom silver flake patterns, glazing and sintering to obtain the high-temperature crystallization glaze material with green-bottom silver flake patterns; the preparation method of the green-bottom silver flake grain high-temperature crystalline glaze comprises the following steps:
step 1, preparation of frit
The preparation method comprises the following steps of mixing the raw materials of the frit according to the mass percentage of the raw materials, heating the raw materials of the frit to 800 ℃, firing for 30min, melting into a glass-like material, and cooling with water to obtain the frit.
Step 2, preparing the green-bottom silver flake grain high-temperature crystallization glaze
(1) The method comprises the following steps of preparing raw materials of the green-bottom silver flake grain high-temperature crystalline glaze and the mass percentages of the raw materials, adding water into a frit, silicon dioxide, kaolin, titanium dioxide, bentonite and chalk powder, mixing, adding into a rapid ball mill, filtering with a 400-mesh sieve at the ball mill rotation speed of 450rpm for 4.5h, removing impurities which are not finely ground to obtain a residual material with the particle size of 400-450 meshes, and continuously putting the residual material into the rapid ball mill; wherein, according to the mass ratio, water: (frit + silica + kaolin + titanium dioxide + bentonite + chalk) ═ 1: 1;
(2) and adding the rest copper carbonate and calcined zinc oxide into a rapid ball mill, and continuing ball milling at the rotation speed of 450rpm for 1h to prepare the green-bottom silver flake grain high-temperature crystalline glaze.
Example 2
The high-temperature crystallization glaze with the green-bottom silver flake patterns is prepared by preparing a high-temperature crystallization glaze with the green-bottom silver flake patterns, glazing and sintering at a high temperature to prepare the high-temperature crystallization glaze with the green-bottom silver flake patterns, wherein the high-temperature crystallization glaze with the green-bottom silver flake patterns comprises the following raw materials in percentage by mass:
33% of clinker, 23% of calcined zinc oxide, 23% of silicon dioxide, 4% of kaolin, 2% of titanium dioxide, 4% of bentonite, 6% of chalk powder and 5% of copper carbonate.
The frit comprises the following raw materials in percentage by mass:
3% of potassium oxide, 10% of sodium oxide, 10% of calcium oxide, 5% of boron trioxide and 72% of silicon dioxide.
A preparation method of a green-bottom silver flake grain high-temperature crystalline glaze comprises the following steps: preparing a high-temperature crystallization glaze material with green-bottom silver flake patterns, glazing and sintering to obtain the high-temperature crystallization glaze material with green-bottom silver flake patterns; the preparation method of the green-bottom silver flake grain high-temperature crystalline glaze comprises the following steps:
step 1, preparation of frit
The preparation method comprises the following steps of mixing the raw materials of the frit according to the mass percentage of the raw materials, heating the raw materials of the frit to 760 ℃, firing for 40min, melting into a glassy substance, and cooling with water to obtain the frit.
Step 2, preparing the green-bottom silver flake grain high-temperature crystallization glaze
(1) Preparing materials according to the raw materials and the mass percentage of each raw material contained in the green-bottom silver flake grain high-temperature crystalline glaze, adding water into a frit, silicon dioxide, kaolin, titanium dioxide, bentonite and chalk powder, mixing, adding into a ball mill, wherein the rotating speed of the ball mill is 450rpm, the ball milling time is 4.5h, filtering with a 400-mesh sieve, removing impurities which are not finely ground to obtain a residual material with the particle size of 400-450 meshes, and continuously putting the residual material into the ball mill; wherein, according to the mass ratio, water: (frit + silica + kaolin + titanium dioxide + bentonite + chalk) ═ 1: 1;
(2) and adding the rest copper carbonate and calcined zinc oxide into a ball mill, and continuing ball milling at the rotation speed of 500rpm for 1h to prepare the green-bottom silver flake grain high-temperature crystalline glaze.
(3) And adding methyl cellulose into the prepared green bottom silver flake grain high-temperature crystallization glaze, and uniformly stirring to prepare the green bottom silver flake grain high-temperature crystallization glaze containing methyl cellulose. Wherein, according to the mass ratio, the weight ratio of methyl cellulose: (frit + calcined zinc oxide + silica + kaolin + titanium dioxide + bentonite + chalk + copper carbonate) ═ 2: 100.
Example 3
The high-temperature crystallization glaze with the green-bottom silver flake patterns is prepared by preparing a high-temperature crystallization glaze with the green-bottom silver flake patterns, glazing and sintering at a high temperature to prepare the high-temperature crystallization glaze with the green-bottom silver flake patterns, wherein the high-temperature crystallization glaze with the green-bottom silver flake patterns comprises the following raw materials in percentage by mass:
43% of clinker, 33% of calcined zinc oxide, 13% of silicon dioxide, 1% of kaolin, 2% of titanium dioxide, 1% of bentonite, 6% of chalk powder and 1% of copper carbonate.
The frit comprises the following raw materials in percentage by mass:
2% of potassium oxide, 20% of sodium oxide, 10% of calcium oxide, 3% of boron trioxide and 65% of silicon dioxide.
A preparation method of a green-bottom silver flake grain high-temperature crystalline glaze comprises the following steps: preparing a high-temperature crystallization glaze material with green-bottom silver flake patterns, glazing and sintering to obtain the high-temperature crystallization glaze material with green-bottom silver flake patterns; the preparation method of the green-bottom silver flake grain high-temperature crystalline glaze comprises the following steps:
step 1, preparation of frit
The preparation method comprises the following steps of mixing the raw materials of the frit according to the mass percentage of the raw materials, heating the raw materials of the frit to 760-800 ℃, firing for 30min, melting into a glass-like object, and cooling with water to obtain the frit.
Step 2, preparing the green-bottom silver flake grain high-temperature crystallization glaze
(1) Preparing materials according to the raw materials and the mass percentage of each raw material contained in the green-bottom silver flake grain high-temperature crystalline glaze, adding water into a frit, silicon dioxide, kaolin, titanium dioxide, bentonite and chalk powder, mixing, adding into a ball mill, wherein the rotating speed of the ball mill is 450rpm, the ball milling time is 4.5h, filtering with a 400-mesh sieve, removing impurities which are not finely ground to obtain a residual material with the particle size of 400-450 meshes, and continuously putting the residual material into the ball mill; wherein, according to the mass ratio, water: (frit + silica + kaolin + titanium dioxide + bentonite + chalk) ═ 1: 1;
(2) and adding the rest copper carbonate and calcined zinc oxide into a ball mill, and continuing ball milling at the rotation speed of 550rpm for 1h to prepare the green-bottom silver flake grain high-temperature crystalline glaze.
(3) And adding methyl cellulose into the prepared green bottom silver flake grain high-temperature crystallization glaze, and uniformly stirring to prepare the green bottom silver flake grain high-temperature crystallization glaze containing methyl cellulose. Wherein, according to the mass ratio, the weight ratio of methyl cellulose: (frit + calcined zinc oxide + silica + kaolin + titanium dioxide + bentonite + chalk + copper carbonate) ═ 3: 100.
Example 4
The high-temperature crystallization glaze with the green-bottom silver flake patterns is prepared by preparing a high-temperature crystallization glaze with the green-bottom silver flake patterns, glazing and sintering at a high temperature to prepare the high-temperature crystallization glaze with the green-bottom silver flake patterns, wherein the high-temperature crystallization glaze with the green-bottom silver flake patterns comprises the following raw materials in percentage by mass:
33% of clinker, 29% of calcined zinc oxide, 20% of silicon dioxide, 5% of kaolin, 8% of titanium dioxide, 3% of bentonite, 1% of chalk powder and 1% of copper carbonate.
The frit comprises the following raw materials in percentage by mass:
1% of potassium oxide, 19% of sodium oxide, 4% of calcium oxide, 1% of boron trioxide and 75% of silicon dioxide.
A preparation method of a green-bottom silver flake grain high-temperature crystalline glaze comprises the following steps: preparing a high-temperature crystallization glaze material with green-bottom silver flake patterns, glazing and sintering to obtain the high-temperature crystallization glaze material with green-bottom silver flake patterns; the preparation method of the green-bottom silver flake grain high-temperature crystalline glaze comprises the following steps:
step 1, preparation of frit
The preparation method comprises the following steps of mixing the raw materials of the frit according to the mass percentage of the raw materials, heating the raw materials of the frit to 800 ℃, firing for 20min, melting into a glass-like material, and cooling with water to obtain the frit.
Step 2, preparing the green-bottom silver flake grain high-temperature crystallization glaze
(1) Preparing materials according to the raw materials and the mass percentage of each raw material contained in the green-bottom silver flake grain high-temperature crystalline glaze, adding water into a frit, silicon dioxide, kaolin, titanium dioxide, bentonite and chalk powder, mixing, adding into a ball mill, wherein the rotating speed of the ball mill is 550rpm, the ball milling time is 4 hours, filtering with a 400-mesh sieve, removing impurities which are not finely ground to obtain a residual material with the particle size of 400-450 meshes, and continuously putting the residual material into the ball mill; wherein, according to the mass ratio, water: (frit + silica + kaolin + titanium dioxide + bentonite + chalk) ═ 1.2: 1;
(2) and adding the rest copper carbonate and calcined zinc oxide into a ball mill, and continuing ball milling at the rotation speed of 550rpm for 0.5h to prepare the green-bottom silver flake grain high-temperature crystalline glaze.
Claims (10)
1. The high-temperature crystallized glaze with the silver flakes on the green bottom is prepared by preparing a high-temperature crystallized glaze material with the silver flakes on the green bottom, glazing and sintering at a high temperature, and is characterized in that the high-temperature crystallized glaze material with the silver flakes on the green bottom consists of the following raw materials in percentage by mass:
33-43% of frit, 23-33% of calcined zinc oxide, 13-23% of silicon dioxide, 1-5% of kaolin, 2-8% of titanium dioxide, 1-4% of bentonite, 1-6% of chalk powder and 1-5% of copper carbonate;
the frit consists of the following raw materials in percentage by mass:
1-3% of potassium oxide, 10-20% of sodium oxide, 4-10% of calcium oxide, 1-5% of diboron trioxide and 65-75% of silicon dioxide;
the preparation method of the green-bottom silver flake grain high-temperature crystalline glaze material comprises the following steps:
step 1, preparation of frit
Preparing materials according to the mass percentage of the raw materials and the raw materials contained in the frit, heating the frit raw materials to 760-800 ℃, firing for 20-40 min, melting into a glassy substance, and cooling with water to obtain the frit;
step 2, preparing the green-bottom silver flake grain high-temperature crystallization glaze
(1) Preparing raw materials of the green-bottom silver flake grain high-temperature crystalline glaze material according to the mass percentage of the raw materials, adding water into a frit, silicon dioxide, kaolin, titanium dioxide, bentonite and chalk powder, mixing, adding the mixture into a ball mill, wherein the rotating speed of the ball mill is 450-550 rpm, the ball milling time is 4-4.5 h, filtering, and removing impurities which are not ground; wherein, according to the mass ratio, water: (clinker + silica + kaolin + titanium dioxide + bentonite + chalk powder) = (1-1.2): 1;
(2) and adding the rest raw materials into the ball mill, and continuing ball milling at the rotation speed of 450-550 rpm for 0.5-1 h to prepare the green-bottom silver flake grain high-temperature crystalline glaze.
2. The green-bottom silver flake high-temperature crystallization glaze according to claim 1, wherein the green-bottom silver flake high-temperature crystallization glaze comprises the following raw materials in percentage by mass:
38% of clinker, 28% of calcined zinc oxide, 18% of silicon dioxide, 3% of kaolin, 5% of titanium dioxide, 1% of bentonite, 4% of chalk powder and 3% of copper carbonate.
3. The green-backed silver flake grain high-temperature crystallized glaze according to claim 1, wherein the frit comprises the following raw materials in percentage by mass:
1.8% of potassium oxide, 15.9% of sodium oxide, 7% of calcium oxide, 2% of boron trioxide and 73.3% of silicon dioxide.
4. The high-temperature crystalline glaze with silver flakes on the green bottom according to claim 1, characterized in that it comprises methylcellulose, the mass percentage of methylcellulose being less than or equal to 3% of the total mass (clinker + calcined zinc oxide + silica + kaolin + titanium dioxide + bentonite + chalk + copper carbonate).
5. The method for preparing the high-temperature crystallized glaze with the silver flakes on the green bottom according to any one of claims 1 to 3, comprising the following steps: preparing a high-temperature crystallization glaze material with green-bottom silver flake patterns, glazing and sintering to obtain the high-temperature crystallization glaze material with green-bottom silver flake patterns; the preparation method of the green-bottom silver flake grain high-temperature crystallization glaze is characterized by comprising the following steps of:
step 1, preparation of frit
Preparing materials according to the mass percentage of the raw materials and the raw materials contained in the frit, heating the frit raw materials to 760-800 ℃, firing for 20-40 min, melting into a glassy substance, and cooling with water to obtain the frit;
step 2, preparing the green-bottom silver flake grain high-temperature crystallization glaze
(1) Preparing raw materials of the green-bottom silver flake grain high-temperature crystalline glaze material according to the mass percentage of the raw materials, adding water into a frit, silicon dioxide, kaolin, titanium dioxide, bentonite and chalk powder, mixing, adding the mixture into a ball mill, wherein the rotating speed of the ball mill is 450-550 rpm, the ball milling time is 4-4.5 h, filtering, and removing impurities which are not ground; wherein, according to the mass ratio, water: (clinker + silica + kaolin + titanium dioxide + bentonite + chalk powder) = (1-1.2): 1;
(2) and adding the rest raw materials into the ball mill, and continuing ball milling at the rotation speed of 450-550 rpm for 0.5-1 h to prepare the green-bottom silver flake grain high-temperature crystalline glaze.
6. The method for preparing the high-temperature crystallized glaze with silver flakes on green bottom according to claim 5, wherein in the step 1, the frit is prepared in a small scale and is cooled by crucible water; and (4) manufacturing the frits in a large scale by adopting kiln water cooling.
7. The method for preparing the high-temperature crystallized glaze with silver flakes on the green bottom according to claim 5, wherein in the step 2(1), the raw materials are filtered by a 400-mesh sieve, and after the filtration, the particle size of the raw materials is 400-450 meshes.
8. The method for preparing the high-temperature crystallized glaze with silver flakes on the green bottom according to claim 5, wherein in the step 2(2), the residual raw materials are copper carbonate and calcined zinc oxide.
9. The method for preparing the high-temperature crystallized glaze with the silver flakes on the green bottom according to claim 5, wherein the ball milling parameters of the ball mill are as follows: adding frit, silicon dioxide, kaolin, titanium dioxide, bentonite and chalk powder into water for ball milling, wherein the rotating speed is 450rpm, and the time is 4-4.5 h; after the addition of the remaining raw materials, the rotational speed was 450rpm and the time was 1 h.
10. The method for preparing the high-temperature crystallized glaze with silver stripes on the green background according to claim 5, wherein the method for preparing the high-temperature crystallized glaze with silver stripes on the green background comprises the steps of preparing the frit in step 1, preparing the high-temperature crystallized glaze with silver stripes on the green background in step 2, adding methylcellulose into the prepared high-temperature crystallized glaze with silver stripes on the green background, and uniformly stirring to obtain the high-temperature crystallized glaze with silver stripes on the green background containing methylcellulose.
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