阅读说明：本技术 窑变蓝釉及其配制方法和釉烧方法 (Furnace transmutation blue glaze, preparation method thereof and glaze firing method ) 是由 郑文敏 郑建华 颜淑棉 于 2021-11-18 设计创作，主要内容包括：本发明涉及窑变蓝釉及其配制方法和釉烧方法,窑变蓝釉原料组成有β-方石英、钾长石、水白、萤石尾矿、江西滑石、锌白、牛骨灰、绿玻璃、氧化钴、碱式硫酸铜、二氧化钛、二氧化锡。本发明以绿玻璃、氧化钴和碱式硫酸铜作为着色原料,通过高硅低铝高钙的萤石尾矿以及高硅低铝高钙的水白控制窑变蓝釉中的硅铝含量比,以β-方石英、牛骨灰中的磷酸钙以及主要由水白和萤石尾矿在釉烧中形成钙长石晶束促使产生蓝白相间的乳光窑变现象,同时利用水白中含有的适量铁以及微量的二氧化钛和二氧化锡共同起到助发色与丰富装饰作用,各组分协同作用实现窑变蓝装饰效果。(The invention relates to a transmutation blue glaze, a preparation method thereof and a glaze firing method, wherein the transmutation blue glaze is prepared from beta-cristobalite, potash feldspar, water white, fluorite tailings, Jiangxi talc, zinc white, beef bone ash, green glass, cobalt oxide, basic copper sulfate, titanium dioxide and tin dioxide. The invention takes green glass, cobalt oxide and basic copper sulfate as coloring raw materials, controls the content ratio of silicon and aluminum in the transmutation blue glaze through high-silicon low-aluminum high-calcium fluorite tailings and high-silicon low-aluminum high-calcium water white, promotes the blue-white alternate opalescence transmutation phenomenon by beta-cristobalite, calcium phosphate in the cow bone ash and anorthite crystal bundles mainly formed by the water white and the fluorite tailings in glaze firing, simultaneously utilizes a proper amount of iron contained in the water white, and trace amounts of titanium dioxide and tin dioxide to jointly play roles of color development assistance and rich decoration, and realizes the transmutation blue decoration effect through the synergistic effect of all the components.)

1. The furnace transmutation blue glaze is characterized by comprising the following components in parts by weight: 30-35 parts of beta-cristobalite, 20-25 parts of potassium feldspar, 10-15 parts of water white, 5-10 parts of fluorite tailings, 5-10 parts of Jiangxi talc, 1.5-2.5 parts of zinc white, 1-3 parts of beef ashes, 8-12 parts of green glass, 1-2 parts of cobalt oxide, 0.2-0.3 part of basic copper sulfate, 0.1-0.15 part of titanium dioxide and 0.1-0.2 part of tin dioxide.

2. The transmutation blue glaze according to claim 1, characterized in that: the composition comprises the following components in parts by weight: 32 parts of beta-cristobalite, 20 parts of potassium feldspar, 12 parts of water white, 10 parts of fluorite tailings, 8 parts of Jiangxi talc, 2.5 parts of zinc white, 1 part of ox bone ash, 12 parts of green glass, 2 parts of cobalt oxide, 0.25 part of basic copper sulfate, 0.1 part of titanium dioxide and 0.12 part of tin dioxide.

3. The transmutation blue glaze according to claim 1, characterized in that: the composition comprises the following components in parts by weight: 35 parts of beta-cristobalite, 22 parts of potassium feldspar, 10 parts of water white, 8 parts of fluorite tailings, 10 parts of Jiangxi talc, 2 parts of zinc white, 1.5 parts of ox bone ash, 10 parts of green glass, 1 part of cobalt oxide, 0.2 part of basic copper sulfate, 0.12 part of titanium dioxide and 0.1 part of stannic oxide.

4. The transmutation blue glaze according to claim 1, characterized in that: the composition comprises the following components in parts by weight: 35 parts of beta-cristobalite, 25 parts of potassium feldspar, 15 parts of water white, 5 parts of fluorite tailings, 5 parts of Jiangxi talc, 1.5 parts of zinc white, 3 parts of ox bone ash, 8 parts of green glass, 1.5 parts of cobalt oxide, 0.3 part of basic copper sulfate, 0.15 part of titanium dioxide and 0.2 part of tin dioxide.

5. A method for preparing a fambe blue glaze according to any one of claims 1 to 4, wherein: weighing the raw materials according to a formula, firstly putting beta-cristobalite, potash feldspar, water white, fluorite tailings, Jiangxi talcum, zinc white, ox bone ash, titanium dioxide and tin dioxide into a ball mill for primary ball milling, sieving through a 100-plus-150-mesh sieve, then adding green glass, cobalt oxide and basic copper sulfate into sieved glaze slurry for secondary ball milling and sieving, wherein the fineness is 20-50 microns, the particle size accounts for 65-75%, and the specific gravity of the glaze slurry is controlled to be 1.7g/cm³～1.8g/cm³。

6. A glaze firing method of transmutation blue glaze is characterized by comprising the following steps: the biscuit is first dipped with titanium flower base glaze with the thickness of 0.4-0.6 mm, and then sprayed with the kiln-transmutation blue glaze prepared by the preparation method according to claim 5 after the titanium flower base glaze is dried, with the thickness of 0.1-0.2 mm, and finally placed into a kiln for firing.

7. The glaze firing method of a transmutation blue glaze according to claim 6, characterized in that: the kiln firing process comprises the following specific steps: slowly heating to 800-850 ℃ at the speed of 3.5-4 ℃/min under the oxidizing atmosphere, then quickly heating to 1000-1020 ℃ at the speed of 8-10 ℃/min and converting into reducing flame, slowly heating to strong reduction slow burning at the speed of 0.8-1 ℃/min, finally, slowly reducing to 1060-1080 ℃ at the heating rate of 0.5-0.8 ℃/min when the temperature is raised to 1100 ℃, and cooling.

Technical Field

The invention belongs to the technical field of art glaze, and particularly relates to transmutation blue glaze, a preparation method thereof and a glaze firing method.

Background

The fambe glaze, as the name suggests, has an unexpected glaze color effect in the firing process of the ceramic product. Due to the fact that the kiln contains various coloring elements, the porcelain can show unexpected glaze color effects after being taken out of the kiln through oxidation or reduction.

Chinese patent publication (CN 102249738A) discloses a transmutation glaze white cloud pottery, which comprises a white cloud pottery body and a glaze layer applied on the surface of the white cloud pottery body, wherein the glaze layer comprises a ground glaze directly applied on the surface of the white cloud pottery body and a surface glaze applied on the surface of the ground glaze; the overglaze comprises, by weight, 85-90 parts of low-temperature lead-free frit, 2-5 parts of zinc oxide, 2-5 parts of titanium oxide, 0-2 parts of coloring oxide and 5-6 parts of kaolin. The firing temperature is 1080-.

Chinese published patent literature (CN 111233520A) discloses a starry sky blue transmutation glaze applied to sanitary ceramics, which comprises a ground glaze and a surface glaze, wherein the surface glaze comprises, by weight, 1-4 wt% of zirconium silicate, 22-30 wt% of quartz, 18-28 wt% of potassium feldspar, 6-12 wt% of albite, 5-12 wt% of ground calcium carbonate, 6-15 wt% of calcium metasilicate, 5-10 wt% of Huizhou washing clay, 3-10 wt% of calcined zinc oxide, 5-10 wt% of high-temperature frit, 2-6 wt% of titanium dioxide, 1-3 wt% of cobalt oxide and 0.2-0.5 wt% of methyl cellulose. The coloring substances in the overglaze formula are titanium dioxide, cobalt oxide and zirconium silicate, and the blue-white effect is represented in the firing process; in addition, stable blue spinel is formed by CoO and Al2O3 in the glaze at high temperature, and forms a black point with the ground glaze through penetration and sedimentation, so that the starry sky blue transmutation glaze effect is finally realized.

Along with the continuous improvement of living standard of people, the appreciation level and the requirement of people are greatly changed. In the ceramic industry, in order to meet various requirements, new modeling and decoration methods continuously appear, and a colorful transmutation glaze formula is provided, is an important part of the ceramic manufacturing process, and can bring great commercial value to ceramic products.

Disclosure of Invention

The invention aims to provide a transmutation blue glaze prepared from resource waste.

In order to achieve the purpose, the invention adopts the technical scheme that:

the fambe blue glaze comprises the following components in parts by weight: 30-35 parts of beta-cristobalite, 20-25 parts of potassium feldspar, 10-15 parts of water white, 5-10 parts of fluorite tailings, 5-10 parts of Jiangxi talc, 1.5-2.5 parts of zinc white, 1-3 parts of beef ashes, 8-12 parts of green glass, 1-2 parts of cobalt oxide, 0.2-0.3 part of basic copper sulfate, 0.1-0.15 part of titanium dioxide and 0.1-0.2 part of tin dioxide.

The invention also provides a preparation method of the transmutation blue glaze, which comprises the steps of weighing raw materials according to a formula, firstly putting beta-cristobalite, potash feldspar, water white, fluorite tailings, Jiangxi talc, zinc white, cow bone ash, titanium dioxide and tin dioxide into a ball mill for primary ball milling, sieving through a sieve with 100-150 meshes, then adding green glass, cobalt oxide and basic copper sulfate into sieved glaze slurry for secondary ball milling and sieving, wherein the fineness is 20-50 micrometers, the particle size accounts for 65-75%, and the specific gravity of the glaze slurry is controlled to be 1.7g/cm 3-1.8 g/cm 3.

The invention further provides a glaze firing method of the transmutation blue glaze, the titanium flower base glaze is firstly soaked on the biscuit, the thickness of the titanium flower base glaze is 0.4mm-0.6mm, the transmutation blue glaze is sprayed after the titanium flower base glaze is dried, and the thickness of the sprayed glaze is 0.1mm-0.2mm, and then the biscuit is placed into a kiln for firing.

The kiln firing process comprises the following specific steps: slowly heating to 800-850 ℃ at the speed of 3.5-4 ℃/min under the oxidizing atmosphere, then quickly heating to 1000-1020 ℃ at the speed of 8-10 ℃/min and converting into reducing flame, slowly heating to strong reduction slow burning at the speed of 0.8-1 ℃/min, finally, slowly reducing to 1060-1080 ℃ at the heating rate of 0.5-0.8 ℃/min when the temperature is raised to 1100 ℃, and cooling.

Compared with the prior art, the invention has the following beneficial effects:

the invention takes green glass, cobalt oxide and basic copper sulfate as coloring raw materials, controls the content ratio of silicon and aluminum in the blue glaze of the furnace transmutation by fluorite tailings with high silicon, low aluminum and high calcium and water white with high silicon, low aluminum and high calcium, promotes the blue-white alternate opalescence phenomenon by beta-cristobalite, calcium phosphate in the ashes of cattle and anorthite crystal bundles mainly formed by the water white and the fluorite tailings in glaze firing, simultaneously utilizes a proper amount of iron contained in the water white and trace amounts of titanium dioxide and tin dioxide to jointly play roles of color development assistance and rich decoration, and realizes the decorative effect of the furnace transmutation blue by the synergistic effect of all components; the Jiangxi talcum not only has the function of reducing the sintering temperature by synergistic fluxing with the potassium feldspar, but also improves the opalescence blue phenomenon together with the zinc white and the zinc dioxide; meanwhile, the fluorite tailings are selected, so that the waste is utilized, and the energy is saved and the environment is protected.

Detailed Description

Example 1

The embodiment provides a transmutation blue glaze which comprises the following components in parts by weight: 32 parts of beta-cristobalite, 20 parts of potassium feldspar, 12 parts of water white, 10 parts of fluorite tailings, 8 parts of Jiangxi talc, 2.5 parts of zinc white, 1 part of ox bone ash, 12 parts of green glass, 2 parts of cobalt oxide, 0.25 part of basic copper sulfate, 0.1 part of titanium dioxide and 0.12 part of tin dioxide.

The preparation method of the fambe blue glaze comprises the steps of weighing raw materials according to a formula, firstly putting beta-cristobalite, potash feldspar, water white, fluorite tailings, Jiangxi talc, zinc white, cow bone ash, titanium dioxide and tin dioxide into a ball mill for primary ball milling, sieving by a 150-mesh sieve, then adding green glass, cobalt oxide and basic copper sulfate into sieved glaze slurry for secondary ball milling and sieving, wherein the fineness is 20-50 micrometers, the particle size accounts for 70%, and the specific gravity of the glaze slurry is controlled to be 1.7g/cm 3.

The glaze firing method of the transmutation blue glaze comprises the steps of firstly soaking a biscuit with titanium flower base glaze, wherein the thickness of the titanium flower base glaze is 0.6mm, spraying the transmutation blue glaze after the titanium flower base glaze is dried, wherein the thickness of the sprayed glaze is 0.15mm, and then firing in a kiln, wherein the method specifically comprises the following steps: slowly heating to 800 ℃ at the speed of 4 ℃/min under the oxidizing atmosphere, then quickly heating to 1020 ℃ at the speed of 10 ℃/min and converting into reducing flame, slowly heating to strong reduction and slow burning at the speed of 1 ℃/min, finally, slowly burning to 1080 ℃ at the heating rate of 0.6 ℃/min when heating to 1100 ℃, and cooling.

Example 2

The embodiment provides a transmutation blue glaze which comprises the following components in parts by weight: 35 parts of beta-cristobalite, 22 parts of potassium feldspar, 10 parts of water white, 8 parts of fluorite tailings, 10 parts of Jiangxi talc, 2 parts of zinc white, 1.5 parts of ox bone ash, 10 parts of green glass, 1 part of cobalt oxide, 0.2 part of basic copper sulfate, 0.12 part of titanium dioxide and 0.1 part of stannic oxide.

The preparation method of the fambe blue glaze comprises the steps of weighing raw materials according to a formula, firstly putting beta-cristobalite, potash feldspar, water white, fluorite tailings, Jiangxi talc, zinc white, cow bone ash, titanium dioxide and tin dioxide into a ball mill for primary ball milling, sieving by a 100-mesh sieve, then adding green glass, cobalt oxide and basic copper sulfate into sieved glaze slurry for secondary ball milling and sieving, wherein the fineness is 20-50 microns, the particle size accounts for 75%, and the specific gravity of the glaze slurry is controlled to be 1.75g/cm 3.

The glaze firing method of the transmutation blue glaze comprises the steps of firstly soaking a biscuit with titanium flower base glaze, wherein the thickness of the titanium flower base glaze is 0.5mm, spraying the transmutation blue glaze after the titanium flower base glaze is dried, wherein the thickness of the sprayed glaze is 0.2mm, and then firing in a kiln, wherein the method specifically comprises the following steps: slowly heating to 850 deg.C at 4 deg.C/min under oxidizing atmosphere, rapidly heating to 1000 deg.C at 8 deg.C/min, converting into reducing flame, slowly heating to 0.8 deg.C/min for strong reduction, slowly heating to 1100 deg.C at 0.5 deg.C/min for weak reduction, slowly heating to 1060 deg.C, and cooling.

Example 3

The embodiment provides a transmutation blue glaze which comprises the following components in parts by weight: 35 parts of beta-cristobalite, 25 parts of potassium feldspar, 15 parts of water white, 5 parts of fluorite tailings, 5 parts of Jiangxi talc, 1.5 parts of zinc white, 3 parts of ox bone ash, 8 parts of green glass, 1.5 parts of cobalt oxide, 0.3 part of basic copper sulfate, 0.15 part of titanium dioxide and 0.2 part of tin dioxide.

The preparation method of the fambe blue glaze comprises the steps of weighing raw materials according to a formula, firstly putting beta-cristobalite, potash feldspar, water white, fluorite tailings, Jiangxi talc, zinc white, cow bone ash, titanium dioxide and tin dioxide into a ball mill for primary ball milling, sieving by a 150-mesh sieve, then adding green glass, cobalt oxide and basic copper sulfate into sieved glaze slurry for secondary ball milling and sieving, wherein the fineness is 20-50 micrometers, the particle size accounts for 65%, and the specific gravity of the glaze slurry is controlled to be 1.8g/cm 3.

The glaze firing method of the transmutation blue glaze comprises the steps of firstly soaking a biscuit with titanium flower base glaze, wherein the thickness of the titanium flower base glaze is 0.4mm, spraying the transmutation blue glaze after the titanium flower base glaze is dried, wherein the thickness of the sprayed glaze is 0.1mm, and then firing in a kiln, wherein the method specifically comprises the following steps: slowly heating to 820 deg.C at 3.5 deg.C/min under oxidizing atmosphere, rapidly heating to 1000 deg.C at 8 deg.C/min, converting into reducing flame, slowly heating to 0.8 deg.C/min for strong reduction, slowly heating to 1100 deg.C at 0.6 deg.C/min for slow reduction, slowly heating to 1065 deg.C, and cooling.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.