CN111548011B - Purple-color green-point kiln-changing porcelain and preparation process thereof - Google Patents
Purple-color green-point kiln-changing porcelain and preparation process thereof Download PDFInfo
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Abstract
The invention belongs to the field of ceramic products, and particularly relates to a purple green spot transmutation porcelain and a preparation process thereof. According to the purple-green spot-transmutation porcelain, the additive comprising calcium, titanium and low iron is added into the alkaline glaze, on the basis of the principle that titanium is purple in the alkaline glaze, the calcium and the low iron form green crystallization spots, the formed purple-red substrate has a color transition and changing transmutation effect, meanwhile, the purple-red green spots with the diameter of 1-3mm are uniformly distributed on the purple, the characteristics of the traditional transmutation glaze multicolor glaze are broken, the purple and green are obviously compared, and the unique artistic effect is formed; the purple-color green-point kiln-transition porcelain uses environment-friendly raw materials, can be formed by one-time firing after changing the temperature and the firing atmosphere for two times, effectively reduces the production cost of the raw materials, has low firing temperature, has remarkable environment-friendly value, and improves economic benefit and market competitiveness.
Description
Technical Field
The invention belongs to the field of ceramic products, and particularly relates to a purple green spot transmutation porcelain and a preparation process thereof.
Background
Ceramic products are widely used in China, and the technology for preparing ceramics is very mature. The kiln transformation mainly means that the uncertainty of the surface glaze color of the porcelain naturally changes due to the temperature change in the kiln in the firing process, and the prepared kiln transformation glaze has a unique visual effect. In the traditional kiln-transition glaze preparation process, the requirements on raw materials and preparation processes are high, and the kiln-transition glaze ceramic product prepared by a little carelessly has poor appearance visual effect and poor appreciation and cannot meet the market requirements.
The purple transmutation glaze is prepared by dispersing ferric oxide, zinc oxide, sodium oxide, longyan kaolin and bentonite through dispersing agents, wherein the purple transmutation glaze is a single-color transmutation, the color depth of the glaze is changed obviously, the colors in the transmutation glaze are changed strongly, the glaze lines are other important effect forms in the transmutation glaze, and the like, such as a formula of the glaze with purple white waves for transmutation disclosed in the application number CN 201810856564.3.
Along with the continuous improvement of the living standard of people, the aesthetic requirements are also continuously changed. Therefore, if the porcelain with the glaze effect different from the prior art can be developed, the aesthetic requirement of consumers can be met, a brand new ceramic product can be provided, the ceramic product has positive significance for promoting the development of ceramic products, and in addition, the environmental protection of the new glaze is also important in the preparation process.
Disclosure of Invention
In order to solve the problems, the invention provides a purple green spot transmutation porcelain and a preparation process thereof.
In order to achieve the purpose, the purple green spot transmutation porcelain provided by the invention comprises the following raw materials in parts by weight:
20-30 parts of feldspar, 10-15 parts of quartz, 5-10 parts of fluorite, 5-8 parts of rutile, 5-8 parts of spodumene, 3-6 parts of dolomite, 1-2 parts of bone ash, 5-10 parts of high-expansion-coefficient cosolvent, 5-10 parts of titanium, 5-8 parts of lead, 3-5 parts of zinc, 3-5 parts of ferric oxide, 3-5 parts of calcium and 1-2 parts of dispersing agent.
Further, the raw materials of the purple-color green-spot transmutation glaze comprise the following components in parts by weight: 26 parts of feldspar, 11 parts of quartz, 8 parts of fluorite, 7 parts of rutile, 6 parts of spodumene, 5 parts of dolomite, 2 parts of bone ash, 6 parts of high expansion coefficient cosolvent, 8 parts of titanium, 7 parts of lead, 4 parts of zinc, 3 parts of ferric oxide, 5 parts of calcium and 1 part of dispersing agent.
Further, the raw materials of the purple-color green-spot transmutation glaze comprise the following components in parts by weight: 28 parts of feldspar, 14 parts of quartz, 9 parts of fluorite, 6 parts of rutile, 7 parts of spodumene, 4 parts of dolomite, 1 part of bone ash, 6 parts of high expansion coefficient cosolvent, 6 parts of titanium, 8 parts of lead, 3 parts of zinc, 4 parts of ferric oxide, 3 parts of calcium and 1 part of dispersing agent.
The preparation process of the purple-green spot-transmutation porcelain is characterized by comprising the following specific steps of:
step 1, preparing a ceramic blank;
step 2, proportioning and weighing the raw material components of the purple green spot transmutation glaze, performing wet ball milling on the raw material components of the purple green spot transmutation glaze, and sieving the raw material components with a 500-600 mesh sieve after ball milling to obtain the color green spot transmutation glaze;
step 3, green-spot kiln-changing glaze is sprayed on the surface Shi Zicai of the ceramic green body, and the ceramic green body is put into a kiln after the dryness of the green body is 5-8%;
and 4, firing and forming, wherein the temperature is controlled as follows:
preheating and heating, namely heating the kiln to 600 ℃ at a constant speed for 2-3 hours in an oxidizing atmosphere in the kiln;
heating and sintering, namely heating the reducing atmosphere in the kiln to 900-950 ℃ at a heating rate of 1-3 ℃ per hour, and preserving heat for 1-2 hours;
c, rapidly cooling, namely oxidizing atmosphere in a kiln, and cooling the kiln to 800 ℃ at a cooling rate of 20-30 ℃ per hour;
d, heating up again, namely heating up the reducing atmosphere in the kiln to 1100-1150 ℃ again at the heating rate of 10-15 ℃ per hour, and sintering;
e, cooling and discharging the kiln, and cooling the kiln at a constant speed to obtain the purple green spot transmutation porcelain.
Further, during the process of preparing the purple green spot transmutation glaze in the step 2, firstly, crushing feldspar, quartz, fluorite, rutile, spodumene, dolomite and bone ash into powder, putting the powder and a cosolvent with a high expansion coefficient into a wet ball mill, mixing and ball milling for 3-4 hours, mixing and stirring titanium, lead, zinc, ferric oxide, calcium and a dispersing agent, and then adding the mixture into the wet ball mill, and continuing to mix for 1-2 hours.
Further, the glaze making time material of the wet ball mill in the step 2 is as follows: ball: the mass ratio of the water is 1-2:1-1.5:2.
further, the Baume meter concentration of the purple green spot transmutation glaze is 30-38 degrees during glazing in the step 3.
Further, the thickness of the glaze layer of the purple-green-spot transmutation glaze is 0.2-0.4mm.
Further, in the firing at a temperature of 2℃per hour, the temperature of B in step 4 was raised to 930 ℃.
Further, in step 4, when the temperature is raised again, the temperature is raised again to 1180 ℃ at a temperature raising rate of 10 ℃ per hour, and the mixture is burned.
According to the purple-green point transmutation porcelain and the manufacturing method thereof, the additive comprising calcium, titanium and low iron is added into the alkaline glaze, the principle that titanium is purple in the alkaline glaze is used as a basis, the calcium and the low iron form green crystallization spots, the formed purple-red color has a purple-red color substrate, the purple-red color has a transmutation effect of transition and change, meanwhile, the purple-red green spots with the diameter of 1-3mm are uniformly distributed on the purple-red color, the characteristics of the traditional transmutation glaze multicolor glaze are broken, the contrast between purple and green is obvious, and the unique artistic effect is formed; the purple-color green-point kiln-transition porcelain uses environment-friendly raw materials, can be formed by one-time firing after changing the temperature and the firing atmosphere for two times, effectively reduces the production cost of the raw materials, has low firing temperature, has remarkable environment-friendly value, and improves economic benefit and market competitiveness.
Detailed Description
The invention is further described below by means of specific embodiments.
The purple green point transmutation porcelain comprises purple green point transmutation glaze arranged on a ceramic body, wherein the raw materials of the purple green point transmutation glaze comprise the following components in parts by weight:
20-30 parts of feldspar, 10-15 parts of quartz, 5-10 parts of fluorite, 5-8 parts of rutile, 5-8 parts of spodumene, 3-6 parts of dolomite, 1-2 parts of bone ash, 5-10 parts of high-expansion-coefficient cosolvent, 5-10 parts of titanium, 5-8 parts of lead, 3-5 parts of zinc, 3-5 parts of ferric oxide, 3-5 parts of calcium and 1-2 parts of dispersing agent.
The preparation process of the purple-green spot-transmutation porcelain is characterized by comprising the following specific steps of:
step 1, preparing a ceramic blank;
step 2, weighing the raw material components of the purple green point transmutation glaze according to the proportion, performing wet ball milling on the raw material of the purple green point transmutation glaze, sieving with a 500-600 mesh sieve after ball milling to obtain the color green point transmutation glaze, crushing feldspar, quartz, fluorite, rutile, spodumene, dolomite and bone ash into powder, putting the powder and a cosolvent with a high expansion coefficient into a wet ball mill, mixing and ball milling for 3-4 hours, adding titanium, lead, zinc, ferric oxide, calcium and a dispersing agent into the wet ball mill after mixing and stirring, and continuously mixing for 1-2 hours, wherein the wet ball milling machine is used for glaze: ball: the mass ratio of the water is 1-2:1-1.5:2;
step 3, the ceramic body surface Shi Zicai is subjected to green-point transmutation glaze, the Baume meter concentration of the purple green-point transmutation glaze is 30-38 ℃ during glazing, the thickness of a glaze layer of the purple green-point transmutation glaze is 0.2-0.4mm, and the ceramic body is put into a kiln after the dryness of the body is 5-8%;
and 4, firing and forming, wherein the temperature is controlled as follows:
preheating and heating, namely heating the kiln to 600 ℃ at a constant speed for 2-3 hours in an oxidizing atmosphere in the kiln;
heating and sintering, namely heating the reducing atmosphere in the kiln to 900-950 ℃ at a heating rate of 1-3 ℃ per hour, and preserving heat for 1-2 hours;
c, rapidly cooling, namely oxidizing atmosphere in a kiln, and cooling the kiln to 800 ℃ at a cooling rate of 20-30 ℃ per hour;
d, heating up again, namely heating up the reducing atmosphere in the kiln to 1100-1150 ℃ again at the heating rate of 10-15 ℃ per hour, and sintering;
e, cooling and discharging the kiln, and cooling the kiln at a constant speed to obtain the purple green spot transmutation porcelain.
First embodiment:
the purple green point transmutation porcelain comprises purple green point transmutation glaze arranged on a ceramic body, wherein the raw materials of the purple green point transmutation glaze comprise the following components in parts by weight:
26 parts of feldspar, 11 parts of quartz, 8 parts of fluorite, 7 parts of rutile, 6 parts of spodumene, 5 parts of dolomite, 2 parts of bone ash, 6 parts of high expansion coefficient cosolvent, 8 parts of titanium, 7 parts of lead, 4 parts of zinc, 3 parts of ferric oxide, 5 parts of calcium and 1 part of dispersing agent.
The preparation process of the purple-green spot-transmutation porcelain is characterized by comprising the following specific steps of:
step 1, preparing a ceramic blank;
step 2, weighing the raw material components of the purple green point transmutation glaze according to the proportion, performing wet ball milling on the raw material of the purple green point transmutation glaze, sieving with a 580-mesh sieve after ball milling to obtain the color green point transmutation glaze, crushing feldspar, quartz, fluorite, rutile, spodumene, dolomite and bone ash into powder, putting the powder and a cosolvent with a high expansion coefficient into a wet ball mill, mixing and ball milling for 3 hours, adding titanium, lead, zinc, ferric oxide, calcium and a dispersing agent into the wet ball mill after mixing and stirring, and continuously mixing for 2 hours, wherein the materials during the wet ball milling glaze preparation: ball: the mass ratio of water is 2:1.5:2;
step 3, green-spot transmutation glaze is sprayed on the surface Shi Zicai of the ceramic body, the Baume meter concentration of the purple green-spot transmutation glaze is 35 degrees, the thickness of a glaze layer of the purple green-spot transmutation glaze is 0.3mm, and the ceramic body is put into a kiln after the dryness of the body is 6 percent;
and 4, firing and forming, wherein the temperature is controlled as follows:
preheating and heating, namely heating the kiln to 600 ℃ at a constant speed for 3 hours in an oxidizing atmosphere in the kiln;
heating and sintering, namely heating the reducing atmosphere in the kiln to 930 ℃ at a heating rate of 2 ℃ per hour, and preserving heat for 2 hours;
c, rapidly cooling, namely oxidizing atmosphere in a kiln, and cooling the kiln to 800 ℃ at a cooling rate of 25 ℃ per hour;
d, heating up again, namely heating up the reducing atmosphere in the kiln to 1122 ℃ again at a heating rate of 15 ℃ per hour, and sintering;
e, cooling and discharging the kiln, and cooling the kiln at a constant speed to obtain the purple green spot transmutation porcelain.
The purple-green-point transmutation porcelain has a purple-red-color substrate, the purple-red color has a transmutation effect of color transition and change, and meanwhile, green spots with the sizes of 1-2mm of sesame points are uniformly distributed on the purple red.
Specific embodiment II:
the purple green point transmutation porcelain comprises purple green point transmutation glaze arranged on a ceramic body, wherein the raw materials of the purple green point transmutation glaze comprise the following components in parts by weight: 28 parts of feldspar, 14 parts of quartz, 9 parts of fluorite, 6 parts of rutile, 7 parts of spodumene, 4 parts of dolomite, 1 part of bone ash, 6 parts of high expansion coefficient cosolvent, 6 parts of titanium, 8 parts of lead, 3 parts of zinc, 4 parts of ferric oxide, 3 parts of calcium and 1 part of dispersing agent.
The preparation process of the purple-green spot-transmutation porcelain is characterized by comprising the following specific steps of:
step 1, preparing a ceramic blank;
step 2, weighing the raw material components of the purple green point transmutation glaze according to the proportion, performing wet ball milling on the raw material of the purple green point transmutation glaze, sieving with a 600-mesh sieve after ball milling to obtain the color green point transmutation glaze, crushing feldspar, quartz, fluorite, rutile, spodumene, dolomite and bone ash into powder, putting the powder and a cosolvent with a high expansion coefficient into a wet ball mill, mixing and ball milling for 3.5 hours, mixing and stirring titanium, lead, zinc, ferric oxide, calcium and a dispersing agent, adding the mixture into the wet ball mill, and continuously mixing for 2 hours, wherein the wet ball milling machine is used for preparing glaze: ball: the mass ratio of water is 2:1:2;
step 3, green-spot transmutation glaze is sprayed on the surface Shi Zicai of the ceramic body, the Baume meter concentration of the purple green-spot transmutation glaze is 36 degrees, the thickness of a glaze layer of the purple green-spot transmutation glaze is 0.4mm, and the ceramic body is put into a kiln after the dryness of the body is 8%;
and 4, firing and forming, wherein the temperature is controlled as follows:
preheating and heating, namely heating the kiln to 600 ℃ at a constant speed for 3 hours in an oxidizing atmosphere in the kiln;
heating and sintering, namely heating the reducing atmosphere in the kiln to 910 ℃ at a heating rate of 2 ℃ per hour, and preserving heat for 1.5 hours;
c, rapidly cooling, namely oxidizing atmosphere in a kiln, and cooling the kiln to 800 ℃ at a cooling rate of 30 ℃ per hour;
d, heating up again, namely heating up the reducing atmosphere in the kiln to 1138 ℃ again at a heating rate of 10 ℃ per hour, and sintering;
e, cooling and discharging the kiln, and cooling the kiln at a constant speed to obtain the purple green spot transmutation porcelain.
The purple-green-point transmutation porcelain has a purple-red-color substrate, the purple-red color has a transmutation effect of color transition and change, and large-particle green spots with diameters of 2-3mm are uniformly distributed on the purple red.
According to the purple-color green-spot transmutation porcelain and the manufacturing method thereof, the additive comprising calcium, titanium and low iron is added into the alkaline glaze, the principle that titanium is purple in the alkaline glaze is used as a basis, the calcium and the low iron form green crystallization spots, the characteristics of the traditional transmutation glaze multicolor glaze are broken, the purple and green are obviously compared, and the unique artistic effect is formed; the purple-color green-point kiln-transition porcelain uses environment-friendly raw materials, can be formed by one-time firing after changing the temperature and the firing atmosphere for two times, effectively reduces the production cost of the raw materials, has low firing temperature, has remarkable environment-friendly value, and improves economic benefit and market competitiveness.
The foregoing is merely one specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the concept shall belong to the behavior of infringement of the protection scope of the present invention.
Claims (8)
1. The purple green spot transmutation porcelain is characterized by comprising the purple green spot transmutation glaze arranged on a ceramic body, wherein the raw materials of the purple green spot transmutation glaze comprise the following components in parts by weight: 20-30 parts of feldspar, 10-15 parts of quartz, 5-10 parts of fluorite, 5-8 parts of rutile, 5-8 parts of spodumene, 3-6 parts of dolomite, 1-2 parts of bone ash, 5-10 parts of high-expansion-coefficient fluxing agent, 5-10 parts of titanium, 5-8 parts of lead, 3-5 parts of zinc, 3-5 parts of ferric oxide, 3-5 parts of calcium and 1-2 parts of dispersing agent;
the preparation method of the purple-green spot-transmutation porcelain comprises the following specific steps:
step 1, preparing a ceramic blank;
step 2, proportioning and weighing the raw material components of the purple green spot transmutation glaze, performing wet ball milling on the raw material components of the purple green spot transmutation glaze, and sieving the raw material components with a 500-600 mesh sieve after ball milling to obtain the purple green spot transmutation glaze;
step 3, green-spot kiln-changing glaze is sprayed on the surface Shi Zicai of the ceramic green body, and the ceramic green body is put into a kiln after the dryness of the green body is 5-8%;
and 4, firing and forming, wherein the temperature is controlled as follows:
preheating and heating, namely heating the kiln to 600 ℃ at a constant speed for 2-3 hours in an oxidizing atmosphere in the kiln;
heating and sintering, namely heating the reducing atmosphere in the kiln to 900-950 ℃ at a heating rate of 1-3 ℃ per hour, and preserving heat for 1-2 hours;
c, rapidly cooling, namely oxidizing atmosphere in a kiln, and cooling the kiln to 800 ℃ at a cooling rate of 20-30 ℃ per hour;
d, heating up again, namely heating up the reducing atmosphere in the kiln to 1100-1150 ℃ again at the heating rate of 10-15 ℃ per hour, and sintering;
e, cooling and discharging the kiln, and cooling the kiln at a constant speed to obtain the purple green spot transmutation porcelain.
2. The purple-green spot transmutation porcelain of claim 1, wherein: the purple-green-spot transmutation glaze comprises the following raw materials in parts by weight: 26 parts of feldspar, 11 parts of quartz, 8 parts of fluorite, 7 parts of rutile, 6 parts of spodumene, 5 parts of dolomite, 2 parts of bone ash, 6 parts of high expansion coefficient fluxing agent, 8 parts of titanium, 7 parts of lead, 4 parts of zinc, 3 parts of ferric oxide, 5 parts of calcium and 1 part of dispersing agent.
3. The purple-green spot transmutation porcelain of claim 1, wherein: the purple-green-spot transmutation glaze comprises the following raw materials in parts by weight: 28 parts of feldspar, 14 parts of quartz, 9 parts of fluorite, 6 parts of rutile, 7 parts of spodumene, 4 parts of dolomite, 1 part of bone ash, 6 parts of high expansion coefficient fluxing agent, 6 parts of titanium, 8 parts of lead, 3 parts of zinc, 4 parts of ferric oxide, 3 parts of calcium and 1 part of dispersing agent.
4. The purple-green spot transmutation porcelain of claim 1, wherein: when the purple green spot transmutation glaze is produced in the step 2, firstly, feldspar, quartz, fluorite, rutile, spodumene, dolomite and bone ash are crushed into powder, the powder and a high expansion coefficient fluxing agent are put into a wet ball mill for mixing and ball milling for 3-4 hours, and titanium, lead, zinc, ferric oxide, calcium and a dispersing agent are added into the wet ball mill after mixing and stirring, and the mixing is continued for 1-2 hours.
5. The purple-green spot transmutation porcelain of claim 1, wherein: and (2) glazing the glaze by a wet ball mill in the step: ball: the mass ratio of the water is 1-2:1-1.5:2.
6. the purple-green spot transmutation porcelain of claim 1, wherein: and in the step 3, the Baume meter concentration of the purple green spot transmutation glaze is 30-38 degrees during glazing.
7. The violet-green spot transmutation porcelain of claim 1 or 6, wherein: the thickness of the glaze layer of the purple green spot transmutation glaze is 0.2-0.4mm.
8. The purple-green spot transmutation porcelain of claim 1, wherein: in the step 4, the temperature of the B is raised to 930 ℃ at a temperature raising speed of 2 ℃ per hour during the heating and sintering.
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| CN202010428352.2A CN111548011B (en) | 2020-05-20 | 2020-05-20 | Purple-color green-point kiln-changing porcelain and preparation process thereof |
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| CN202010428352.2A CN111548011B (en) | 2020-05-20 | 2020-05-20 | Purple-color green-point kiln-changing porcelain and preparation process thereof |
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