CN115215547B - Low-temperature kiln-transition glaze and processing technology thereof - Google Patents
Low-temperature kiln-transition glaze and processing technology thereof Download PDFInfo
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- CN115215547B CN115215547B CN202210816546.9A CN202210816546A CN115215547B CN 115215547 B CN115215547 B CN 115215547B CN 202210816546 A CN202210816546 A CN 202210816546A CN 115215547 B CN115215547 B CN 115215547B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C4/00—Compositions for glass with special properties
- C03C4/02—Compositions for glass with special properties for coloured glass
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
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Abstract
The invention relates to the technical field of ceramic glaze water, and in particular discloses a low-temperature transmutation glaze and a processing technology thereof, wherein the low-temperature transmutation glaze comprises the following components in parts by weight: 5-10 parts of frozen amphibole, 15-20 parts of albite, 20-30 parts of potassium feldspar, 8-12 parts of cobalt oxide, 10-15 parts of ferrous oxide, 10-15 parts of bentonite and 5-10 parts of calcium metasilicate. The low-temperature kiln transformation glaze disclosed by the invention is prepared from frozen blue amphibole, bentonite, calcium metasilicate, potassium feldspar and albite, takes ferric ions and ferrous ions in cobalt oxide and ferrous oxide as color development components, and can play a role in kiln transformation through low-temperature firing in different atmospheres in stages. The high-silicon low-aluminum and proper silicon-aluminum ratio in the frozen blue amphibole disclosed by the invention, while the magnesium oxide in the frozen blue amphibole is favorable for fluxing, opacifying and developing, contains a trace of titanium component and a higher calcium component, is favorable for phase separation in glaze and formation of anorthite crystal bundles and titanium crystal bundles, and has a unique sky blue kiln artistic effect.
Description
Technical Field
The invention belongs to the technical field of ceramic glaze water, and particularly relates to a low-temperature kiln transformation glaze and a processing technology thereof.
Background
When the kiln change glaze, namely the ware is fired in the kiln, the kiln contains various coloring elements, and the kiln has unexpected glaze color effect after being taken out of the kiln through oxidation or reduction. The traditional kiln transformation glaze is sintered at medium and high temperature, the sintering temperature is above 1200 ℃, the sintering time is above 12 hours, the sintering temperature is high, the time is long, the energy loss is high, and the cost is high and the environment is not protected.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide the low-temperature transmutation glaze and the processing technology thereof, and the single-layer glazing and the low-temperature firing can play a role in transmutation, so that the energy conservation and the environmental protection are realized.
In order to solve the technical problems, the invention adopts the following technical scheme:
the low-temperature kiln transformation glaze consists of the following components in parts by weight: 5-10 parts of frozen amphibole, 15-20 parts of albite, 20-30 parts of potassium feldspar, 8-12 parts of cobalt oxide, 10-15 parts of ferrous oxide, 10-15 parts of bentonite and 5-10 parts of calcium metasilicate.
The low-temperature kiln transformation glaze consists of the following components in parts by weight: 5 parts of frozen blue amphibole, 20 parts of albite, 30 parts of potassium feldspar, 10 parts of cobalt oxide, 15 parts of ferrous oxide, 10 parts of bentonite and 10 parts of calcium metasilicate.
Wherein: the chemical composition of the cryo-blue amphibole is as follows: 50 percent of～52％SiO 2 、7.3％～8.4％Al 2 O 3 、0.1％～0.2％TiO 2 、11.5％～12.5％MgO、7.5％～8.9％CaO、0.25％～0.3％K 2 O、3％～3.65％Na 2 O, 13-14.5% of iron oxide and other trace elements.
The invention also provides a processing technology of the low-temperature kiln transformation glaze, which comprises the following steps:
s1, preparing glaze: 5-10 parts of frozen blue amphibole, 15-20 parts of albite, 20-30 parts of potassium feldspar, 8-12 parts of cobalt oxide, 10-15 parts of ferrous oxide, 10-15 parts of bentonite and 5-10 parts of calcium metasilicate are uniformly mixed to prepare a mixture, and then water is added for ball grinding and sieving are carried out to prepare glaze slurry;
s2, glazing: applying a layer of glaze slurry prepared in the step S1 on the surface of the biscuit fired green body;
s3, sintering: and (3) sending the glazed green body obtained in the step (S2) into a tunnel kiln to be fired, wherein the highest firing temperature is 1080-1100 ℃, and taking out from the kiln to cool to obtain a finished product.
Preferably, the mesh number of the step S1 sieving is 250-300 mesh.
Preferably, the glaze slip of the step S1 has a specific gravity of 1.65g/cm 3 ～1.75g/cm 3 。
Preferably, the glazing method of the step S2 is dipping or spraying.
Preferably, the glazing thickness of the step S2 is 0.3 mm-0.5 mm.
Preferably, the firing in step S3 specifically includes: slowly heating to 750-800 ℃ under an oxidizing atmosphere, then heating to 980-1000 ℃ at the speed of 8-8.5 ℃/min, converting into reducing flame, slowly heating to strong reduction at the speed of 0.50-0.65 ℃/min, converting into weak reduction when heating to 1080-1100 ℃, preserving heat, firing for 40-60 min, and cooling.
Compared with the prior art, the invention has the following beneficial effects:
the low-temperature kiln transformation glaze disclosed by the invention is prepared from frozen blue amphibole, bentonite, calcium metasilicate, potassium feldspar and albite, takes ferric ions and ferrous ions in cobalt oxide and ferrous oxide as color development components, and can play a role in kiln transformation through low-temperature firing in different atmospheres in stages. The high-silicon low-aluminum and proper silicon-aluminum ratio in the frozen blue amphibole disclosed by the invention, while the magnesium oxide in the frozen blue amphibole is favorable for fluxing, opacifying and developing, contains a trace of titanium component and a higher calcium component, is favorable for phase separation in glaze and formation of anorthite crystal bundles and titanium crystal bundles, and has a unique sky blue kiln artistic effect.
Detailed Description
Example 1
The embodiment provides a low-temperature transmutation glaze which comprises the following components in parts by weight: 5 parts of frozen blue amphibole, 20 parts of albite, 30 parts of potassium feldspar, 10 parts of cobalt oxide, 15 parts of ferrous oxide, 10 parts of bentonite and 10 parts of calcium metasilicate.
Wherein: the chemical composition of the cryo-blue amphibole is as follows: 50.54% SiO 2 、7.3％Al 2 O 3 、0.1％TiO 2 、11.73％MgO、8.32％CaO、0.25％K 2 O、3％Na 2 O, 14.5% iron oxide and other trace elements.
The processing technology of the low-temperature kiln transformation glaze comprises the following steps:
s1, preparing glaze: mixing the frozen amphibole, albite, potassium feldspar, cobalt oxide, ferrous oxide, bentonite and calcium metasilicate to obtain a mixture, adding water, ball grinding, sieving with 250 mesh sieve to obtain glaze slurry with specific gravity of 1.65g/cm 3 。
S2, glazing: and (3) applying a layer of glaze slurry prepared in the step (S1) on the surface of the biscuit fired green body by adopting glaze dipping or glaze spraying, wherein the glazing thickness is 0.4mm.
S3, sintering: and (3) sending the glazed green body obtained in the step (S2) into a tunnel kiln to be fired, wherein the highest firing temperature is 1100 ℃, and taking out from the kiln to cool to obtain a finished product. The firing is specifically as follows: slowly heating to 800 ℃ under an oxidizing atmosphere, then heating to 1000 ℃ at the speed of 8 ℃/min, converting into reducing flame, slowly heating to strong reduction at the speed of 0.50 ℃/min, slowly burning, converting into weak reduction when heating to 1100 ℃, preserving heat, burning for 60min, and cooling.
Example 2
The embodiment provides a low-temperature transmutation glaze which comprises the following components in parts by weight: 8 parts of freeze-blue amphibole, 18 parts of albite, 25 parts of potassium feldspar, 12 parts of cobalt oxide, 12.5 parts of ferrous oxide, 15 parts of bentonite and 7.5 parts of calcium metasilicate.
Wherein: the chemical composition of the cryo-blue amphibole is as follows: 51.95% SiO 2 、7.52％Al 2 O 3 、0.18％TiO 2 、12.5％MgO、8.9％CaO、0.3％K 2 O、3.13％Na 2 O, 13.37% iron oxide and other trace elements.
The processing technology of the low-temperature kiln transformation glaze comprises the following steps:
s1, preparing glaze: mixing the frozen amphibole, albite, potassium feldspar, cobalt oxide, ferrous oxide, bentonite and calcium metasilicate to obtain a mixture, adding water, ball grinding, sieving with 250 mesh sieve to obtain glaze slurry with specific gravity of 1.75g/cm 3 。
S2, glazing: and (3) applying a layer of glaze slurry prepared in the step (S1) on the surface of the biscuit fired green body by adopting glaze dipping or glaze spraying, wherein the glazing thickness is 0.4mm.
S3, sintering: and (3) sending the glazed green body obtained in the step (S2) into a tunnel kiln to be fired, wherein the highest firing temperature is 1100 ℃, and taking out from the kiln to cool to obtain a finished product. The firing is specifically as follows: slowly heating to 750 ℃ under an oxidizing atmosphere, then heating to 1000 ℃ at the speed of 8.5 ℃/min, converting into reducing flame, slowly heating to strong reduction at the speed of 0.65 ℃/min, converting into weak reduction when heating to 1100 ℃, preserving heat, firing for 50min, and cooling.
Example 3
The embodiment provides a low-temperature transmutation glaze which comprises the following components in parts by weight: 10 parts of frozen blue amphibole, 15 parts of albite, 30 parts of potassium feldspar, 8 parts of cobalt oxide, 10 parts of ferrous oxide, 15 parts of bentonite and 5 parts of calcium metasilicate.
Wherein: the chemical composition of the cryo-blue amphibole is as follows: 51.24% SiO 2 、8.4％Al 2 O 3 、0.18％TiO 2 、11.5％MgO、7.5％CaO、0.25％K 2 O、3.65％Na 2 O, 13.84% iron oxide and other trace elements.
The processing technology of the low-temperature kiln transformation glaze comprises the following steps:
s1, preparing glaze: mixing the frozen amphibole, albite, potassium feldspar, cobalt oxide, ferrous oxide, bentonite and calcium metasilicate to obtain a mixture, adding water, ball grinding, sieving with 300 mesh sieve to obtain glaze slurry with specific gravity of 1.7g/cm 3 。
S2, glazing: and (3) applying a layer of glaze slurry prepared in the step (S1) on the surface of the biscuit fired green body by adopting glaze dipping or glaze spraying, wherein the glazing thickness is 0.3mm.
S3, sintering: and (3) sending the glazed green body obtained in the step (S2) into a tunnel kiln to be fired, wherein the highest firing temperature is 1080 ℃, and taking out from the kiln to cool to obtain a finished product. The firing is specifically as follows: slowly heating to 780 ℃ under an oxidizing atmosphere, then heating to 980 ℃ at the speed of 8.2 ℃/min, converting into reducing flame, slowly heating to strong reduction at the speed of 0.55 ℃/min, converting into weak reduction when heating to 1080 ℃, preserving heat, firing for 60min, and cooling.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (4)
1. A processing technology of low-temperature kiln transformation glaze is characterized in that: the method comprises the following steps:
s1, preparing glaze: the following components in parts by weight are uniformly mixed to prepare a mixture: 5-10 parts of frozen blue amphibole, 15-20 parts of albite, 20-30 parts of potassium feldspar, 8-12 parts of cobalt oxide, 10-15 parts of ferrous oxide, 10-15 parts of bentonite and 5-10 parts of calcium metasilicate; adding water, ball grinding, sieving to obtain glaze slurry with specific gravity of 1.65g/cm 3 ～1.75g/cm 3 ；
S2, glazing: applying a layer of glaze slurry prepared in the step S1 on the surface of the biscuit fired green body, wherein the glazing thickness is 0.3-0.5 mm;
s3, sintering: the green body glazed in the step S2 is sent into a tunnel kiln to be fired, the highest firing temperature is 1080-1100 ℃, and the finished product is obtained after the green body is taken out of the kiln and cooled;
the chemical composition of the cryo-blue amphibole is as follows: 50% -52% SiO 2 、7.3％～8.4％Al 2 O 3 、0.1％～0.2％TiO 2 、11.5％～12.5％MgO、7.5％～8.9％CaO、0.25％～0.3％K 2 O、3％～3.65％Na 2 O, 13-14.5% of iron oxide and other trace elements;
the firing in the step S3 specifically comprises the following steps: slowly heating to 750-800 ℃ under an oxidizing atmosphere, then heating to 980-1000 ℃ at the speed of 8-8.5 ℃/min, converting into reducing flame, slowly heating to strong reduction at the speed of 0.50-0.65 ℃/min, converting into weak reduction when heating to 1080-1100 ℃, preserving heat, firing for 40-60 min, and cooling.
2. The process for manufacturing the low-temperature transmutation glaze according to claim 1, wherein: the composite material consists of the following components in parts by weight: 5 parts of frozen blue amphibole, 20 parts of albite, 30 parts of potassium feldspar, 10 parts of cobalt oxide, 15 parts of ferrous oxide, 10 parts of bentonite and 10 parts of calcium metasilicate.
3. The process for manufacturing the low-temperature transmutation glaze according to claim 1, wherein: the mesh number of the screening in the step S1 is 250-300 meshes.
4. The process for manufacturing the low-temperature transmutation glaze according to claim 1, wherein: the glazing method in the step S2 is dipping or spraying.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052944A (en) * | 2018-09-14 | 2018-12-21 | 湖南高峰陶瓷制造有限公司 | Temmoku glaze and preparation method thereof |
| CN111233520A (en) * | 2020-04-14 | 2020-06-05 | 佛山市东鹏陶瓷有限公司 | Starry sky blue transmutation glaze, preparation method thereof and sanitary ceramic using glaze |
| CN112759361A (en) * | 2021-01-06 | 2021-05-07 | 福建省威尔陶瓷股份有限公司 | High-siliceous high-temperature reinforced daily porcelain and preparation method thereof |
| CN113896422A (en) * | 2021-11-18 | 2022-01-07 | 福建省德化县顺华达瓷业有限责任公司 | Furnace transmutation blue glaze, preparation method thereof and glaze firing method |
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- 2022-07-12 CN CN202210816546.9A patent/CN115215547B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052944A (en) * | 2018-09-14 | 2018-12-21 | 湖南高峰陶瓷制造有限公司 | Temmoku glaze and preparation method thereof |
| CN111233520A (en) * | 2020-04-14 | 2020-06-05 | 佛山市东鹏陶瓷有限公司 | Starry sky blue transmutation glaze, preparation method thereof and sanitary ceramic using glaze |
| CN112759361A (en) * | 2021-01-06 | 2021-05-07 | 福建省威尔陶瓷股份有限公司 | High-siliceous high-temperature reinforced daily porcelain and preparation method thereof |
| CN113896422A (en) * | 2021-11-18 | 2022-01-07 | 福建省德化县顺华达瓷业有限责任公司 | Furnace transmutation blue glaze, preparation method thereof and glaze firing method |
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