CN111548012A - Low-temperature environment-friendly shallow brown white furnace transmutation glazed porcelain and preparation process thereof - Google Patents

Low-temperature environment-friendly shallow brown white furnace transmutation glazed porcelain and preparation process thereof Download PDF

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CN111548012A
CN111548012A CN202010428406.5A CN202010428406A CN111548012A CN 111548012 A CN111548012 A CN 111548012A CN 202010428406 A CN202010428406 A CN 202010428406A CN 111548012 A CN111548012 A CN 111548012A
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kiln
glaze
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颜松柳
卢晓霞
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Fujian Dehua Porcelain Yanfang Ceramic Technology Co ltd
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Fujian Dehua Porcelain Yanfang Ceramic Technology Co ltd
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    • C03CCHEMICAL 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
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Abstract

The invention belongs to the field of ceramic products, and particularly relates to a low-temperature environment-friendly shallow brown white kiln glazed porcelain and a preparation process thereof. The low-temperature environment-friendly light brown white transmutation glaze comprises a light brown white transmutation glaze arranged on a ceramic blank, wherein the light brown white transmutation glaze is formed by transmutation white glaze and transmutation light brown glaze in a configuration mode, and the transmutation white glaze comprises feldspar, quartz, dolomite, wollastonite, zinc oxide, kaolin, titanium oxide and bone ash; the kiln light brown glaze comprises feldspar, quartz, titanium oxide, manganese and zinc oxide. The low-temperature environment-friendly light brown white kiln-change glazed porcelain provided by the invention has a light brown color substrate, and a milky white or tooth-white transition color block is formed on the light brown color substrate, so that the characteristic of the traditional kiln-change glazed colorful glaze is broken, and a unique artistic effect is formed; the environment-friendly raw materials are used in a large amount, the production cost of the raw materials is effectively reduced, the firing temperature is low, the environment-friendly value is remarkable, and the economic benefit and the market competitiveness are improved.

Description

Low-temperature environment-friendly shallow brown white furnace transmutation glazed porcelain and preparation process thereof
Technical Field
The invention belongs to the field of ceramic products, and particularly relates to a low-temperature environment-friendly shallow brown white kiln glazed porcelain and a preparation process thereof.
Background
The ceramic products are widely used in China, and the technology for preparing the ceramic is mature. The traditional ceramic surface decoration method is to glaze the surface of the ceramic product, the glaze layer is smooth and has high brightness, which not only makes the appearance of the ceramic product more beautiful, but also increases the tolerance of the ceramic product. When the kiln-transmutation glaze is fired in a kiln, because the kiln contains a plurality of coloring elements, the kiln takes an unexpected glaze color effect after being taken out of the kiln through oxidation or reduction.
The traditional transmutation glaze generally has strong change among various colors, and the striking impact force formed by color contrast is always pursued by the transmutation glaze, for example, the invention patent application with the application publication number of CN 105152684A discloses a formula, a preparation method and a use method of the light porcelain low-temperature transmutation erythema glaze. However, as the living standard of people is continuously improved, the aesthetic requirements are also continuously changed. Therefore, if the porcelain with the glaze effect different from the existing glaze surface effect can be developed, not only can the aesthetic requirements of consumers be met, but also a brand-new ceramic product can be provided, and the porcelain has positive significance for promoting the development of ceramic products.
Disclosure of Invention
In order to solve the problems, the invention provides a low-temperature environment-friendly shallow-brown white kiln glazed porcelain and a preparation process thereof.
In order to achieve the purpose, the low-temperature environment-friendly light-brown white transmutation glaze provided by the invention comprises light-brown white transmutation glaze arranged on a ceramic blank body, wherein the light-brown white transmutation glaze is prepared from transmutation white glaze and transmutation light-brown glaze, and the transmutation white glaze comprises the following components in parts by weight: 10-15 parts of feldspar, 15-20 parts of quartz, 10-13 parts of dolomite, 5-8 parts of wollastonite, 3-9 parts of zinc oxide, 5-10 parts of kaolin, 5-8 parts of titanium oxide and 2-4 parts of bone ash; the kiln light brown glaze comprises the following components in parts by weight: 10-15 parts of feldspar, 5-10 parts of quartz, 2-3 parts of titanium oxide, 2-3 parts of manganese and 2-3 parts of zinc oxide.
Further, the light brown white transmutation glaze comprises the following components in parts by weight: 14 parts of feldspar, 180 parts of quartz, 11 parts of dolomitic soil, 7 parts of wollastonite, 6 parts of zinc oxide, 7 parts of kaolin, 7 parts of titanium oxide and 3 parts of bone ash, wherein the weight of the kiln lightening brown glaze is as follows: 14 parts of feldspar, 6 parts of quartz, 2 parts of titanium oxide, 2 parts of manganese and 3 parts of zinc oxide.
Further, the light brown white transmutation glaze comprises the following components in parts by weight: 12 parts of feldspar, 16 parts of quartz, 12 parts of dolomite, 6 parts of wollastonite, 7 parts of zinc oxide, 8 parts of kaolin, 6 parts of titanium oxide and 4 parts of bone ash, wherein the weight of the kiln lightening brown glaze is as follows: 12 parts of feldspar, 9 parts of quartz, 3 parts of titanium oxide, 3 parts of manganese and 2 parts of zinc oxide.
Further, the light brown white transmutation glaze comprises the following components in parts by weight: 13 parts of feldspar, 17 parts of quartz, 13 parts of dolomite, 8 parts of wollastonite, 4 parts of zinc oxide, 9 parts of kaolin, 8 parts of titanium oxide and 2 parts of bone ash, wherein the weight of the kiln lightening brown glaze is as follows: 11 parts of feldspar, 8 parts of quartz, 2.5 parts of titanium oxide, 2.5 parts of manganese and 2 parts of zinc oxide.
The preparation process of the low-temperature environment-friendly shallow brown white kiln glazed porcelain is characterized in that the low-temperature environment-friendly shallow brown white kiln glazed porcelain is used, and the preparation process comprises the following specific steps:
step 1, preparing a ceramic blank;
step 2, respectively proportioning and weighing the raw material components of the furnace transmutation white glaze, adding water and ball milling to prepare the furnace transmutation white glaze, wherein the raw material comprises the following components in parts by weight: ball: the mass ratio of water is 1-2: 3: 3, performing wet ball milling for 6 to 8 hours, and sieving the ball-milled mixture through a sieve of 250-300 meshes;
step 3, weighing the raw material components of the kiln lightening brown glaze in proportion, adding water and ball milling to respectively prepare the kiln lightening brown glaze: ball: the mass ratio of water is 1: 1: 2-3, performing wet ball milling for 3-5 hours, and sieving with a 150-and 200-mesh sieve after ball milling;
step 4, applying kiln lightening brown glaze on the surface of the ceramic blank, and applying kiln whitening glaze on the surface of the ceramic blank after the kiln lightening brown glaze is dried;
and 5, placing the glazed ceramic blank into a kiln for one-time firing and forming, wherein the firing temperature is 1000-1150 ℃, and after the kiln reaches the firing temperature, cooling at a constant speed to natural cooling.
Furthermore, the baume meter concentration of the kiln whitening glaze is 65-80 degrees during glazing, and the baume meter concentration of the kiln lightening brown glaze is 50-60 degrees during glazing.
Further, the thickness of the glaze layer of the light brown white transmutation glaze is 0.2-0.4 mm.
Further, when firing is performed in the step 5, the firing temperature control of the kiln is divided into five sections, specifically as follows: :
a: preheating and heating, wherein in the kiln, under the oxidizing atmosphere, the kiln is heated to 900 ℃ at a constant speed for 2-3 hours, and is kept at 900 ℃ for 40-60 minutes;
b: heating and firing, namely transferring a reducing atmosphere in a kiln, heating to a firing temperature at a heating rate of 1-3 ℃ per hour, and preserving heat for 1-2 hours;
d: rapidly cooling, wherein the temperature of the kiln is reduced to 800 ℃ at the cooling rate of 20-30 ℃ per hour;
e: heating again, wherein the temperature in the kiln is increased to 950-1000 ℃ at the heating rate of 10-15 ℃ per hour by transferring the oxidizing atmosphere in the kiln;
f: and (4) cooling and discharging from the kiln, uniformly cooling the kiln for 4-8 hours to 100 ℃, and discharging from the kiln to obtain the low-temperature environment-friendly light brown white kiln-glazed porcelain.
Furthermore, the firing temperature of the heating firing kiln is 1085 ℃.
Further, the kiln temperature was 980 ℃ at the time of reheating.
The invention provides a low-temperature environment-friendly light brown white kiln-transformed glaze porcelain and a manufacturing method thereof.A light brown white kiln-transformed glaze which is prepared by using titanium oxide in the principle of zinc-calcium glaze crystallization opacification is adopted, a color substrate is light brown, a milky white or tooth-white transition color block is formed on the light brown substrate, the color transition is harmonious, the glaze effect is good, the characteristics of the traditional kiln-transformed glaze colorful glaze are broken, and the unique artistic effect is formed; according to the low-temperature environment-friendly shallow-brown white kiln-glazed porcelain, a large amount of environment-friendly raw materials are used in the raw materials of the ceramic body, the ground glaze and the overglaze, so that the production cost of the raw materials is effectively reduced, the firing temperature is low, the environment-friendly value is remarkable, and the economic benefit and the market competitiveness are improved.
Detailed Description
The invention is further described below by means of specific embodiments.
The low-temperature environment-friendly light brown white transmutation glaze comprises transmutation white glaze and transmutation light brown glaze; the fambe white glaze comprises the following components in parts by weight: 10-15 parts of feldspar, 15-20 parts of quartz, 10-13 parts of dolomite, 5-8 parts of wollastonite, 3-9 parts of zinc oxide, 5-10 parts of kaolin, 5-8 parts of titanium oxide and 2-4 parts of bone ash; wherein the kiln lightening brown glaze comprises the following components in parts by weight: 10-15 parts of feldspar, 5-10 parts of quartz, 2-3 parts of titanium oxide, 2-3 parts of manganese and 2-3 parts of zinc oxide.
The preparation process of the low-temperature environment-friendly shallow brown white transmutation glazed porcelain uses the low-temperature environment-friendly shallow brown white transmutation glaze, and comprises the following specific steps:
step 1, preparing a ceramic blank;
step 2, respectively proportioning and weighing the raw material components of the furnace transmutation white glaze, adding water and ball milling to prepare the furnace transmutation white glaze, wherein the raw material comprises the following components in parts by weight: ball: the mass ratio of water is 1-2: 3: 3, performing wet ball milling for 6 to 8 hours, and sieving the ball-milled mixture through a sieve of 250-300 meshes;
step 3, weighing the raw material components of the kiln lightening brown glaze in proportion, adding water and ball milling to respectively prepare the kiln lightening brown glaze: ball: the mass ratio of water is 1: 1: 2-3, performing wet ball milling for 3-5 hours, and sieving with a 150-and 200-mesh sieve after ball milling;
and 4, firstly, applying the kiln-turning light brown glaze on the surface of the ceramic blank, wherein the baume meter concentration of the kiln-turning light brown glaze is 50-60 ℃, after the kiln-turning light brown glaze is dried, applying the kiln-turning white glaze on the surface of the ceramic blank, wherein the baume meter concentration of the kiln-turning white glaze is 65-80 ℃, and the thickness of a glaze layer is 0.2-0.4 mm. (ii) a
And 5, placing the glazed ceramic blank into a kiln for one-time firing and forming, wherein the firing temperature is 1000-1150 ℃, cooling to natural cooling at a constant speed after the kiln reaches the firing temperature, and controlling the firing temperature of the kiln into five sections in total, specifically as follows:
a: preheating and heating, wherein in the kiln, under the oxidizing atmosphere, the kiln is heated to 900 ℃ at a constant speed for 2-3 hours, and is kept at 900 ℃ for 40-60 minutes;
b: heating and firing, namely transferring a reducing atmosphere in a kiln, heating to a firing temperature at a heating rate of 1-3 ℃ per hour, and preserving heat for 1-2 hours;
d: rapidly cooling, wherein the temperature of the kiln is reduced to 800 ℃ at the cooling rate of 20-30 ℃ per hour;
e: heating again, wherein the temperature in the kiln is increased to 950-1000 ℃ at the heating rate of 10-15 ℃ per hour by transferring the oxidizing atmosphere in the kiln;
f: and (4) cooling and discharging from the kiln, uniformly cooling the kiln for 4-8 hours to 100 ℃, and discharging from the kiln to obtain the low-temperature environment-friendly light brown white kiln-glazed porcelain.
The specific implementation is as follows:
the light brown white transmutation glaze comprises transmutation white glaze and transmutation light brown glaze; wherein the furnace transmutation white glaze comprises the following components in parts by weight: 14 parts of feldspar, 180 parts of quartz, 11 parts of dolomitic soil, 7 parts of wollastonite, 6 parts of zinc oxide, 7 parts of kaolin, 7 parts of titanium oxide and 3 parts of bone ash; wherein the weight of the kiln light brown glaze is as follows: 14 parts of feldspar, 6 parts of quartz, 2 parts of titanium oxide, 2 parts of manganese and 3 parts of zinc oxide.
The preparation process of the low-temperature environment-friendly shallow brown white transmutation glazed porcelain uses the low-temperature environment-friendly shallow brown white transmutation glaze, and comprises the following specific steps:
step 1, preparing a ceramic blank;
step 2, respectively proportioning and weighing the raw material components of the furnace transmutation white glaze, adding water and ball milling to prepare the furnace transmutation white glaze, wherein the raw material comprises the following components in parts by weight: ball: the mass ratio of water is 1-2: 3: 3, performing wet ball milling for 7 hours, and sieving by a 270-mesh sieve after ball milling;
step 3, weighing the raw material components of the kiln lightening brown glaze in proportion, adding water and ball milling to respectively prepare the kiln lightening brown glaze: ball: the mass ratio of water is 1: 1: 2, performing wet ball milling for 4 hours, and sieving the ball-milled ball;
step 4, firstly, applying the kiln-turning light brown glaze on the surface of the ceramic blank, wherein the baume meter concentration of the kiln-turning light brown glaze is 55 ℃, after the kiln-turning light brown glaze is dried, applying the kiln-turning white glaze on the surface of the ceramic blank, wherein the baume meter concentration of the kiln-turning white glaze is 70 ℃, and the thickness of a glaze layer is 0.3 mm;
and 5, placing the glazed ceramic blank into a kiln for one-time firing and forming, wherein the firing temperature is 1085 ℃, after the kiln reaches the firing temperature, cooling to natural cooling at a constant speed, and controlling the firing temperature of the kiln into five sections in total, specifically as follows:
a: preheating and heating, namely heating the kiln to 900 ℃ at a constant speed for 2.5 hours in an oxidizing atmosphere in the kiln, and keeping the temperature at 900 ℃ for 50 minutes;
b: heating and firing, namely transferring a reducing atmosphere in a kiln, heating to 1085 ℃ at a heating rate of 2 ℃ per hour, and keeping the temperature for 2 hours;
d: rapidly cooling, namely cooling the temperature of the kiln to 800 ℃ at a cooling rate of 23 ℃ per hour;
e: heating again, wherein the temperature is raised to 980 ℃ at the heating rate of 13 ℃ per hour by transferring oxidizing atmosphere in the kiln;
f: and (4) cooling and discharging from the kiln, uniformly cooling the kiln for 6 hours to 100 ℃, and discharging from the kiln to obtain the low-temperature environment-friendly shallow brown white kiln glazed porcelain.
The low-temperature environment-friendly light brown white kiln-transformed glazed porcelain manufactured by the method has a light brown substrate, a milky transition color block is formed on the light brown substrate, the light brown and the milky transition color respectively account for half of the whole glazed surface, the color transition is harmonious, and the glazed surface effect is good.
The second embodiment is as follows:
the low-temperature environment-friendly light brown white transmutation glaze comprises transmutation white glaze and transmutation light brown glaze; wherein the furnace transmutation white glaze comprises the following components in parts by weight: 12 parts of feldspar, 16 parts of quartz, 12 parts of dolomite, 6 parts of wollastonite, 7 parts of zinc oxide, 8 parts of kaolin, 6 parts of titanium oxide and 4 parts of bone ash; wherein the weight of the kiln light brown glaze is as follows: 12 parts of feldspar, 9 parts of quartz, 3 parts of titanium oxide, 3 parts of manganese and 2 parts of zinc oxide.
The preparation process of the low-temperature environment-friendly shallow brown white transmutation glazed porcelain uses the low-temperature environment-friendly shallow brown white transmutation glaze, and comprises the following specific steps:
step 1, preparing a ceramic blank;
step 2, respectively proportioning and weighing the raw material components of the furnace transmutation white glaze, adding water and ball milling to prepare the furnace transmutation white glaze, wherein the raw material comprises the following components in parts by weight: ball: the mass ratio of water is 2: 3: 3, performing wet ball milling for 6.5 hours, and sieving by a 300-mesh sieve after ball milling;
step 3, weighing the raw material components of the kiln lightening brown glaze in proportion, adding water and ball milling to respectively prepare the kiln lightening brown glaze: ball: the mass ratio of water is 1: 1: 3, performing wet ball milling for 5 hours, and sieving by a 200-mesh sieve after ball milling;
step 4, firstly, applying the kiln-turning light brown glaze on the surface of the ceramic blank, wherein the baume meter concentration of the kiln-turning light brown glaze is 60 ℃, after the kiln-turning light brown glaze is dried, applying the kiln-turning white glaze on the surface of the ceramic blank, wherein the baume meter concentration of the kiln-turning white glaze is 75 ℃, and the thickness of a glaze layer is 0.4 mm;
and 5, placing the glazed ceramic blank into a kiln for one-time firing and forming, wherein the firing temperature is 1120 ℃, after the kiln reaches the firing temperature, uniformly cooling to natural cooling, and controlling the firing temperature of the kiln into five sections, specifically as follows:
a: preheating and heating, namely heating the kiln to 900 ℃ at a constant speed for 3 hours in an oxidizing atmosphere in the kiln, and keeping the temperature at 900 ℃ for 60 minutes;
b: heating and firing, namely, transferring a reducing atmosphere in a kiln, heating to 1120 ℃ at a heating rate of 2 ℃ per hour, and keeping the temperature for 2 hours;
d: rapidly cooling, namely cooling the temperature of the kiln to 800 ℃ at a cooling rate of 28 ℃ per hour;
e: heating again, wherein the temperature in the kiln is changed into oxidizing atmosphere, and the temperature is increased to 1000 ℃ again at the heating rate of 13 ℃ per hour;
f: and (4) cooling and discharging from the kiln, uniformly cooling the kiln for 6 hours to 100 ℃, and discharging from the kiln to obtain the low-temperature environment-friendly shallow brown white kiln glazed porcelain.
The low-temperature environment-friendly light brown white kiln-transformed glazed porcelain manufactured by the method has a light brown base, the transition is carried out from white glaze to light brown, ivory white transition color blocks are formed on the light brown base, and the white glaze is larger than the light brown glaze.
The third concrete embodiment:
the low-temperature environment-friendly light brown white transmutation glaze comprises transmutation white glaze and transmutation light brown glaze; wherein the furnace transmutation white glaze comprises the following components in parts by weight: 13 parts of feldspar, 17 parts of quartz, 13 parts of dolomite, 8 parts of wollastonite, 4 parts of zinc oxide, 9 parts of kaolin, 8 parts of titanium oxide and 2 parts of bone ash; wherein the weight of the kiln light brown glaze is as follows: 11 parts of feldspar, 8 parts of quartz, 2.5 parts of titanium oxide, 2.5 parts of manganese and 2 parts of zinc oxide.
The preparation process of the low-temperature environment-friendly shallow brown white transmutation glazed porcelain uses the low-temperature environment-friendly shallow brown white transmutation glaze, and comprises the following specific steps:
step 1, preparing a ceramic blank;
step 2, respectively proportioning and weighing the raw material components of the furnace transmutation white glaze, adding water and ball milling to prepare the furnace transmutation white glaze, wherein the raw material comprises the following components in parts by weight: ball: the mass ratio of water is 2: 3: 3, performing wet ball milling for 8 hours, and sieving by a 300-mesh sieve after ball milling;
step 3, weighing the raw material components of the kiln lightening brown glaze in proportion, adding water and ball milling to respectively prepare the kiln lightening brown glaze: ball: the mass ratio of water is 1: 1: 3, performing wet ball milling for 5 hours, and sieving by a 200-mesh sieve after ball milling;
step 4, firstly, applying the kiln-turning light brown glaze on the surface of the ceramic blank, wherein the baume meter concentration of the kiln-turning light brown glaze is 55 ℃, after the kiln-turning light brown glaze is dried, applying the kiln-turning white glaze on the surface of the ceramic blank, wherein the baume meter concentration of the kiln-turning white glaze is 70 ℃, and the thickness of a glaze layer is 0.25 mm;
and 5, placing the glazed ceramic blank into a kiln for one-time firing and forming, wherein the firing temperature is 1030 ℃, after the kiln reaches the firing temperature, uniformly cooling to natural cooling, and controlling the firing temperature of the kiln into five sections, specifically as follows:
a: preheating and heating, namely heating the kiln to 900 ℃ at a constant speed for 2.5 hours in an oxidizing atmosphere in the kiln, and keeping the temperature at 900 ℃ for 50 minutes;
b: heating and firing, namely transferring a reducing atmosphere in a kiln, heating to 1030 ℃ at a heating rate of 2 ℃ per hour, and keeping the temperature for 1 hour;
d: rapidly cooling, wherein the temperature of the kiln is reduced to 800 ℃ at the cooling rate of 20-30 ℃ per hour;
e: heating again, wherein the temperature is raised to 980 ℃ at the heating rate of 12 ℃ per hour by transferring oxidizing atmosphere in the kiln;
f: and (4) cooling and discharging, wherein the temperature of the kiln is uniformly reduced to 100 ℃ after 5 hours, and the low-temperature environment-friendly shallow brown white kiln-glazed porcelain is obtained after discharging.
The low-temperature environment-friendly light brown white kiln glazed porcelain manufactured by the method has a light brown substrate, a milky transition color block is formed on the light brown substrate, the transition is from light brown to white glaze, the light brown glaze is larger than the white glaze, and the hand feeling is fine and smooth.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.

Claims (10)

1. The low-temperature environment-friendly shallow brown white kiln glazed porcelain is characterized in that: comprises a light brown white transmutation glaze arranged on a ceramic body, the light brown white transmutation glaze is composed of transmutation white glaze and transmutation light brown glaze,
the fambe white glaze comprises the following components in parts by weight: 10-15 parts of feldspar, 15-20 parts of quartz, 10-13 parts of dolomite, 5-8 parts of wollastonite, 3-9 parts of zinc oxide, 5-10 parts of kaolin, 5-8 parts of titanium oxide and 2-4 parts of bone ash;
the kiln light brown glaze comprises the following components in parts by weight: 10-15 parts of feldspar, 5-10 parts of quartz, 2-3 parts of titanium oxide, 2-3 parts of manganese and 2-3 parts of zinc oxide.
2. The low-temperature environment-friendly shallow-brown white kiln glazed porcelain according to claim 1, wherein: the light brown white transmutation glaze comprises the following components in parts by weight: 14 parts of feldspar, 180 parts of quartz, 11 parts of dolomitic soil, 7 parts of wollastonite, 6 parts of zinc oxide, 7 parts of kaolin, 7 parts of titanium oxide and 3 parts of bone ash, wherein the weight of the kiln lightening brown glaze is as follows: 14 parts of feldspar, 6 parts of quartz, 2 parts of titanium oxide, 2 parts of manganese and 3 parts of zinc oxide.
3. The low-temperature environment-friendly shallow-brown white kiln glazed porcelain according to claim 1, wherein: the light brown white transmutation glaze comprises the following components in parts by weight: 12 parts of feldspar, 16 parts of quartz, 12 parts of dolomite, 6 parts of wollastonite, 7 parts of zinc oxide, 8 parts of kaolin, 6 parts of titanium oxide and 4 parts of bone ash, wherein the weight of the kiln lightening brown glaze is as follows: 12 parts of feldspar, 9 parts of quartz, 3 parts of titanium oxide, 3 parts of manganese and 2 parts of zinc oxide.
4. The low-temperature environment-friendly shallow-brown white kiln glazed porcelain according to claim 1, wherein: the light brown white transmutation glaze comprises the following components in parts by weight: 13 parts of feldspar, 17 parts of quartz, 13 parts of dolomite, 8 parts of wollastonite, 4 parts of zinc oxide, 9 parts of kaolin, 8 parts of titanium oxide and 2 parts of bone ash, wherein the weight of the kiln lightening brown glaze is as follows: 11 parts of feldspar, 8 parts of quartz, 2.5 parts of titanium oxide, 2.5 parts of manganese and 2 parts of zinc oxide.
5. The preparation process of the low-temperature environment-friendly shallow brown white transmutation glaze porcelain is characterized in that the low-temperature environment-friendly shallow brown white transmutation glaze which is required to be any one of 1-4 is used, and the specific steps are as follows:
step 1, preparing a ceramic blank;
step 2, weighing the raw material components of the transmutation white glaze in proportion, adding water and ball milling to obtain the transmutation white glaze, wherein the material is as follows: ball: the mass ratio of water is 1-2: 3: 3, performing wet ball milling for 6 to 8 hours, and sieving the ball-milled mixture through a sieve of 250-300 meshes;
step 3, weighing the raw material components of the kiln lightening brown glaze in proportion, adding water and ball milling to respectively prepare the kiln lightening brown glaze: ball: the mass ratio of water is 1: 1: 2-3, performing wet ball milling for 3-5 hours, and sieving with a 150-and 200-mesh sieve after ball milling;
step 4, applying kiln lightening brown glaze on the surface of the ceramic blank, and applying kiln whitening glaze on the surface of the ceramic blank after the kiln lightening brown glaze is dried;
and 5, placing the glazed ceramic blank into a kiln for one-time firing and forming, wherein the firing temperature is 1000-1150 ℃, and after the kiln reaches the firing temperature, cooling at a constant speed to natural cooling.
6. The preparation process of the low-temperature environment-friendly shallow-brown white kiln glazed porcelain according to claim 5, wherein the process comprises the following steps: the baume meter concentration of the kiln whitening glaze during glazing is 65-80 ℃, and the baume meter concentration of the kiln lightening brown glaze during glazing is 50-60 ℃.
7. The preparation process of the low-temperature environment-friendly shallow-brown white kiln glazed porcelain according to claim 5 or 6, which is characterized in that: the thickness of the glaze layer of the light brown white transmutation glaze is 0.2-0.4 mm.
8. The preparation process of the low-temperature environment-friendly shallow-brown white kiln glazed porcelain according to claim 5, wherein the process comprises the following steps: and 5, during the firing in the step 5, controlling the firing temperature of the kiln into five sections, specifically as follows:
a: preheating and heating, wherein in the kiln, under the oxidizing atmosphere, the kiln is heated to 900 ℃ at a constant speed for 2-3 hours, and is kept at 900 ℃ for 40-60 minutes;
b: heating and firing, namely transferring a reducing atmosphere in a kiln, heating to a firing temperature at a heating rate of 1-3 ℃ per hour, and preserving heat for 1-2 hours;
d: rapidly cooling, wherein the temperature of the kiln is reduced to 800 ℃ at the cooling rate of 20-30 ℃ per hour;
e: heating again, wherein the temperature in the kiln is increased to 950-1000 ℃ at the heating rate of 10-15 ℃ per hour by transferring the oxidizing atmosphere in the kiln;
f: and (4) cooling and discharging from the kiln, uniformly cooling the kiln for 4-8 hours to 100 ℃, and discharging from the kiln to obtain the low-temperature environment-friendly light brown white kiln-glazed porcelain.
9. The preparation process of the low-temperature environment-friendly shallow-brown white kiln glazed porcelain according to claim 8, which is characterized in that: the firing temperature of the heating firing kiln is 1085 ℃.
10. The preparation process of the low-temperature environment-friendly shallow-brown white kiln glazed porcelain according to claim 9, which is characterized in that: when the temperature is raised again, the temperature of the kiln is 980 ℃.
CN202010428406.5A 2020-05-20 2020-05-20 Low-temperature environment-friendly shallow brown white furnace transmutation glazed porcelain and preparation process thereof Pending CN111548012A (en)

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