CN112759259A - Grignard metal glaze with silver-white color effect and processing technology thereof - Google Patents
Grignard metal glaze with silver-white color effect and processing technology thereof Download PDFInfo
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- CN112759259A CN112759259A CN202110034903.1A CN202110034903A CN112759259A CN 112759259 A CN112759259 A CN 112759259A CN 202110034903 A CN202110034903 A CN 202110034903A CN 112759259 A CN112759259 A CN 112759259A
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- color effect
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 45
- 239000002184 metal Substances 0.000 title claims abstract description 45
- 230000000694 effects Effects 0.000 title claims abstract description 25
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 title claims abstract description 22
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 229910000398 iron phosphate Inorganic materials 0.000 claims abstract description 31
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 claims abstract description 31
- 238000010304 firing Methods 0.000 claims abstract description 28
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 239000000919 ceramic Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 17
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims abstract description 15
- 229910052808 lithium carbonate Inorganic materials 0.000 claims abstract description 15
- 239000011656 manganese carbonate Substances 0.000 claims abstract description 15
- 229940093474 manganese carbonate Drugs 0.000 claims abstract description 15
- 235000006748 manganese carbonate Nutrition 0.000 claims abstract description 15
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 claims abstract description 15
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 claims abstract description 15
- 238000004321 preservation Methods 0.000 claims abstract description 15
- 239000010453 quartz Substances 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 15
- 229910052656 albite Inorganic materials 0.000 claims abstract description 13
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims abstract description 13
- 239000011787 zinc oxide Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000005245 sintering Methods 0.000 claims abstract description 6
- 239000012459 cleaning agent Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000000498 ball milling Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 239000008394 flocculating agent Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 229910052573 porcelain Inorganic materials 0.000 claims description 5
- 238000010583 slow cooling Methods 0.000 claims description 5
- 229910052572 stoneware Inorganic materials 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 239000003086 colorant Substances 0.000 abstract description 3
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 239000002932 luster Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- LUUYCFFRDQLYMZ-UHFFFAOYSA-N [Ti].[Ni].[Mn].[Cu] Chemical compound [Ti].[Ni].[Mn].[Cu] LUUYCFFRDQLYMZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
-
- C—CHEMISTRY; METALLURGY
- 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
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- 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
-
- C—CHEMISTRY; METALLURGY
- 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
- C04B41/80—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
-
- 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
- C03C2209/00—Compositions specially applicable for the manufacture of vitreous glazes
- C03C2209/02—Compositions specially applicable for the manufacture of vitreous glazes to produce non-uniformly coloured glazes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a Grignard metal glaze with silver-white color effect, which comprises the following components in percentage by weight: the cleaning agent comprises the following components in percentage by mass: 1-6% of washing mud, 1-6% of lithiated quartz, 5-15% of lithium carbonate, 30-45% of albite, 15-25% of iron phosphate, 5-15% of aluminum phosphate, 0.5-3% of zinc oxide, 3-10% of color developing agent, 3-8% of rutile and 0.5-3% of manganese carbonate; the processing technology comprises the steps of firstly, selecting materials and burdening; step two, material treatment; step three, firing; step four, utilizing the residual glaze slip; the metal glaze has rich colors and strong metal texture; the technological process of the invention is basically the same as that of common ceramics, the technological parameters and the sintering control range are looser, and particularly the sintering curve of the product is the same as that of the common ceramics, so special crystallization and heat preservation are not needed, and enterprises can rapidly enter a stable production state.
Description
Technical Field
The invention relates to the technical field of Grignard metal glaze, in particular to Grignard metal glaze with silver-white color effect and a processing technology thereof.
Background
The application of the metallic luster glaze on the ceramic products has been for a long time, and as for the sintering method, the common metallic glaze adopted by the ceramic products, whether building ceramic tiles or daily ceramic products, is generally two major formula systems of iron phosphate or lead-based glaze composite manganese copper titanium nickel; due to the reasons of raw material formulation, firing process and the like, the application of the common metal glaze is not satisfactory in many aspects: or the glaze color is less and monotonous, and the natural change of the color and luster of the glaze surface is lacked, so that the decorative effect of the product is greatly reduced; or lead and cadmium exceed standards, so that the wide application of the glaze in the field of daily ceramics is limited. Aiming at the problems of the common metal glaze, the invention provides the Grignard metal glaze with silver-white color effect and the processing technology thereof in the present stage in order to enhance the decoration effect of the metal glaze, improve the physical and chemical properties of the metal glaze and expand the new daily-use furnishing ceramic products.
Disclosure of Invention
The invention aims to provide a Grignard metal glaze with silver-white color effect and a processing technology thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the Grignard metal glaze with silver-white color effect comprises the following components in percentage by weight: the cleaning agent comprises the following components in percentage by mass: 1-6% of washing mud, 1-6% of lithiated quartz, 5-15% of lithium carbonate, 30-45% of albite, 15-25% of iron phosphate, 5-15% of aluminum phosphate, 0.5-3% of zinc oxide, 3-10% of color developing agent, 3-8% of rutile and 0.5-3% of manganese carbonate.
A processing technology of Grignard metal glaze with silver-white color effect comprises the following steps of firstly, selecting materials and burdening; step two, material treatment; step three, firing; step four, utilizing the residual glaze slip;
in the first step, the components in percentage by mass are as follows: 1-6% of washing mud, 1-6% of lithiated quartz, 5-15% of lithium carbonate, 30-45% of albite, 15-25% of iron phosphate, 5-15% of aluminum phosphate, 0.5-3% of zinc oxide, 3-10% of color developing agent, 3-8% of rutile and 0.5-3% of manganese carbonate, and the washing mud, the lithiated quartz, the lithium carbonate, the color developing agent, the rutile and the manganese carbonate are selected and weighed according to the weight percentage sum of 1;
in the second step, the material treatment comprises the following steps:
1) mixing the raw materials according to the formula proportion of the step one to prepare glaze slip;
2) introducing the prepared glaze slurry into a ball mill for processing;
3) firstly, testing the pH value of the clear liquid of the glaze slip without a flocculating agent and a debonding agent by using a pH test paper, then adding a proper flocculating agent and a debonding agent according to the pH value of the glaze slip, and adjusting the performance of the glaze slip with a new formula;
in the third step, the firing comprises the following steps;
1) oxidizing and firing a common gas open flame roller kiln in a carignan ceramic production area by using a firing curve of common stoneware or porcelain products, wherein the environment temperature is 1175-1195 ℃, and the processing time is 5.0-5.5 h;
2) after high-fire heat preservation, carrying out quenching work to carry out secondary oxidation on the surface of the glaze layer;
in the fourth step, when the residual glaze is reused, all the residual glaze is subjected to ball milling, a small amount of proper dispergator is added, a proper amount of water is supplemented, the ball milling and mixing are carried out for about 30 minutes, and the milled glaze slurry is sieved by a 120-mesh sieve and then can be reused.
According to the technical scheme, the components are as follows by mass percent: 3% of washing mud, 3% of lithiated quartz, 9% of lithium carbonate, 38% of albite, 20% of iron phosphate, 10% of aluminum phosphate, 1% of zinc oxide, 8% of color developing agent, 6% of rutile and 2% of manganese carbonate.
According to the technical scheme, in the first step, because the thermal expansion coefficient of the metal glaze is generally larger than that of the common ceramic glaze, the blank with a slightly larger thermal expansion coefficient is selected to be matched with the metal glaze.
According to the technical scheme, in the step one, the bulk density of the -containing water-based iron phosphate is small, the performance of the glaze slip is greatly influenced, the sintering dehydration can be generally carried out by heat preservation at about 750 ℃ for about 15min, the loss on ignition is about 20%, and the calcined iron phosphate is preferably not agglomerated into hard blocks.
According to the technical scheme, in the second step 2), the concentration of the glaze slip is controlled to be more than 60 baume degrees.
According to the technical scheme, in the step four 2), after the high-fire heat preservation at the highest sintering temperature is finished, forced rapid cooling of about 20 ℃/min must be carried out immediately, slow cooling can be carried out when the temperature is reduced to be below 1150 ℃, and at the moment, the speed of cooling does not have any influence on the glaze color.
Compared with the prior art, the invention has the following beneficial effects: the invention is safe and reliable, and has very rich colors, strong metal texture, mottled rheological or marbled glitter effect, soft glaze luster and smooth and exquisite hand feeling; the production process flow of the Grignard metal glaze product is basically the same as that of a common ceramic product, the process parameters and the firing control range are relatively loose, particularly the firing curve of the product is the same as that of the common ceramic, the firing range is relatively wide, and special crystallization heat preservation is not needed, so that even if the product is put into operation as a new product, an enterprise can enter a stable production state within a relatively short time.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a processing technology of a Grignard metal glaze with silver-white color effect comprises the following steps:
example 1:
the Grignard metal glaze with silver-white color effect comprises the following components in percentage by weight: 3% of washing mud, 3% of lithiated quartz, 9% of lithium carbonate, 38% of albite, 20% of iron phosphate, 10% of aluminum phosphate, 1% of zinc oxide, 8% of color developing agent, 6% of rutile and 2% of manganese carbonate.
A processing technology of Grignard metal glaze with silver-white color effect comprises the following steps of firstly, selecting materials and burdening; step two, material treatment; step three, firing; step four, utilizing the residual glaze slip;
in the first step, the components in percentage by mass are as follows: selecting 3% of washing mud, 3% of lithiated quartz, 9% of lithium carbonate, 38% of albite, 20% of iron phosphate, 10% of aluminum phosphate, 1% of zinc oxide, 8% of color developing agent, 6% of rutile and 2% of manganese carbonate, and weighing according to the sum of the weight percentages of 1; because the thermal expansion coefficient of the metal glaze is usually larger than that of the common ceramic glaze, a blank with a slightly larger thermal expansion coefficient is selected to be matched with the metal glaze; the bulk density of the water-based iron phosphate containing the nodules is small, the water-based iron phosphate has great influence on the performance of glaze slip, the water-based iron phosphate can be generally subjected to heat preservation at about 750 ℃ for about 15min, calcination dehydration is carried out, the loss on ignition is about 20%, and the calcined iron phosphate is preferably not agglomerated into hard blocks;
in the second step, the material treatment comprises the following steps:
1) mixing the raw materials according to the formula proportion of the step one to prepare glaze slip;
2) selecting glaze slip with concentration controlled above 60 baume degree, introducing into ball mill, and processing;
3) firstly, testing the pH value of the clear liquid of the glaze slip without a flocculating agent and a debonding agent by using a pH test paper, then adding a proper flocculating agent and a debonding agent according to the pH value of the glaze slip, and adjusting the performance of the glaze slip with a new formula;
in the third step, the firing comprises the following steps;
1) oxidizing and firing a common gas open flame roller kiln in a carignan ceramic production area by using a firing curve of common stoneware or porcelain products, wherein the environment temperature is 1175-1195 ℃, and the processing time is 5.0-5.5 h;
2) after high-fire heat preservation, forced rapid cooling of about 20 ℃/min is carried out immediately, slow cooling can be carried out when the temperature is reduced to below 1150 ℃, the speed of cooling speed does not influence the glaze color, and the surface of a glaze layer is subjected to secondary oxidation;
in the fourth step, when the residual glaze is reused, all the residual glaze is subjected to ball milling, a small amount of proper dispergator is added, a proper amount of water is supplemented, the ball milling and mixing are carried out for about 30 minutes, and the milled glaze slurry is sieved by a 120-mesh sieve and then can be reused.
Example 2:
the Grignard metal glaze with silver-white color effect comprises the following components in percentage by weight: 3% of washing mud, 3% of lithiated quartz, 9% of lithium carbonate, 33% of albite, 25% of iron phosphate, 10% of aluminum phosphate, 1% of zinc oxide, 8% of color developing agent, 6% of rutile and 2% of manganese carbonate.
A processing technology of Grignard metal glaze with silver-white color effect comprises the following steps of firstly, selecting materials and burdening; step two, material treatment; step three, firing; step four, utilizing the residual glaze slip;
in the first step, the components in percentage by mass are as follows: selecting 3% of washing mud, 3% of lithiated quartz, 9% of lithium carbonate, 33% of albite, 25% of iron phosphate, 10% of aluminum phosphate, 1% of zinc oxide, 8% of color developing agent, 6% of rutile and 2% of manganese carbonate, and weighing according to the sum of the weight percentages of 1; because the thermal expansion coefficient of the metal glaze is usually larger than that of the common ceramic glaze, a blank with a slightly larger thermal expansion coefficient is selected to be matched with the metal glaze; the bulk density of the water-based iron phosphate containing the nodules is small, the water-based iron phosphate has great influence on the performance of glaze slip, the water-based iron phosphate can be generally subjected to heat preservation at about 750 ℃ for about 15min, calcination dehydration is carried out, the loss on ignition is about 20%, and the calcined iron phosphate is preferably not agglomerated into hard blocks;
in the second step, the material treatment comprises the following steps:
1) mixing the raw materials according to the formula proportion of the step one to prepare glaze slip;
2) selecting glaze slip with concentration controlled above 60 baume degree, introducing into ball mill, and processing;
3) firstly, testing the pH value of the clear liquid of the glaze slip without a flocculating agent and a debonding agent by using a pH test paper, then adding a proper flocculating agent and a debonding agent according to the pH value of the glaze slip, and adjusting the performance of the glaze slip with a new formula;
in the third step, the firing comprises the following steps;
1) oxidizing and firing a common gas open flame roller kiln in a carignan ceramic production area by using a firing curve of common stoneware or porcelain products, wherein the environment temperature is 1175-1195 ℃, and the processing time is 5.0-5.5 h;
2) after high-fire heat preservation, forced rapid cooling of about 20 ℃/min is carried out immediately, slow cooling can be carried out when the temperature is reduced to below 1150 ℃, the speed of cooling speed does not influence the glaze color, and the surface of a glaze layer is subjected to secondary oxidation;
in the fourth step, when the residual glaze is reused, all the residual glaze is subjected to ball milling, a small amount of proper dispergator is added, a proper amount of water is supplemented, the ball milling and mixing are carried out for about 30 minutes, and the milled glaze slurry is sieved by a 120-mesh sieve and then can be reused.
Example 3:
the Grignard metal glaze with silver-white color effect comprises the following components in percentage by weight: 3% of washing mud, 3% of lithiated quartz, 9% of lithium carbonate, 43% of albite, 15% of iron phosphate, 10% of aluminum phosphate, 1% of zinc oxide, 8% of color developing agent, 6% of rutile and 2% of manganese carbonate.
A processing technology of Grignard metal glaze with silver-white color effect comprises the following steps of firstly, selecting materials and burdening; step two, material treatment; step three, firing; step four, utilizing the residual glaze slip;
in the first step, the components in percentage by mass are as follows: selecting 3% of washing mud, 3% of lithiated quartz, 9% of lithium carbonate, 43% of albite, 15% of iron phosphate, 10% of aluminum phosphate, 1% of zinc oxide, 8% of color developing agent, 6% of rutile and 2% of manganese carbonate, and weighing according to the sum of the weight percentages of 1; because the thermal expansion coefficient of the metal glaze is usually larger than that of the common ceramic glaze, a blank with a slightly larger thermal expansion coefficient is selected to be matched with the metal glaze; the bulk density of the water-based iron phosphate containing the nodules is small, the water-based iron phosphate has great influence on the performance of glaze slip, the water-based iron phosphate can be generally subjected to heat preservation at about 750 ℃ for about 15min, calcination dehydration is carried out, the loss on ignition is about 20%, and the calcined iron phosphate is preferably not agglomerated into hard blocks;
in the second step, the material treatment comprises the following steps:
1) mixing the raw materials according to the formula proportion of the step one to prepare glaze slip;
2) selecting glaze slip with concentration controlled above 60 baume degree, introducing into ball mill, and processing;
3) firstly, testing the pH value of the clear liquid of the glaze slip without a flocculating agent and a debonding agent by using a pH test paper, then adding a proper flocculating agent and a debonding agent according to the pH value of the glaze slip, and adjusting the performance of the glaze slip with a new formula;
in the third step, the firing comprises the following steps;
1) oxidizing and firing a common gas open flame roller kiln in a carignan ceramic production area by using a firing curve of common stoneware or porcelain products, wherein the environment temperature is 1175-1195 ℃, and the processing time is 5.0-5.5 h;
2) after high-fire heat preservation, forced rapid cooling of about 20 ℃/min is carried out immediately, slow cooling can be carried out when the temperature is reduced to below 1150 ℃, the speed of cooling speed does not influence the glaze color, and the surface of a glaze layer is subjected to secondary oxidation;
in the fourth step, when the residual glaze is reused, all the residual glaze is subjected to ball milling, a small amount of proper dispergator is added, a proper amount of water is supplemented, the ball milling and mixing are carried out for about 30 minutes, and the milled glaze slurry is sieved by a 120-mesh sieve and then can be reused.
The properties of the examples are compared in the following table:
based on the above, compared with the common metal glaze, the metal glaze is safe and reliable, and has the advantages of very rich colors, strong metal texture, mottled rheology or glittering like a gold sand, soft glaze luster, smooth and fine hand feeling; the production process flow of the Grignard metal glaze product is basically the same as that of a common ceramic product, the process parameters and the firing control range are relatively loose, particularly the firing curve of the product is the same as that of the common ceramic, the firing range is relatively wide, and special crystallization heat preservation is not needed, so that even if the product is put into operation as a new product, an enterprise can enter a stable production state within a relatively short time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The Grignard metal glaze with silver-white color effect is characterized in that: the formula comprises the following components: the cleaning agent comprises the following components in percentage by mass: 1-6% of washing mud, 1-6% of lithiated quartz, 5-15% of lithium carbonate, 30-45% of albite, 15-25% of iron phosphate, 5-15% of aluminum phosphate, 0.5-3% of zinc oxide, 3-10% of color developing agent, 3-8% of rutile and 0.5-3% of manganese carbonate.
2. A processing technology of Grignard metal glaze with silver-white color effect comprises the following steps of firstly, selecting materials and burdening; step two, material treatment; step three, firing; step four, utilizing the residual glaze slip; the method is characterized in that:
in the first step, the components in percentage by mass are as follows: 1-6% of washing mud, 1-6% of lithiated quartz, 5-15% of lithium carbonate, 30-45% of albite, 15-25% of iron phosphate, 5-15% of aluminum phosphate, 0.5-3% of zinc oxide, 3-10% of color developing agent, 3-8% of rutile and 0.5-3% of manganese carbonate, and the washing mud, the lithiated quartz, the lithium carbonate, the color developing agent, the rutile and the manganese carbonate are selected and weighed according to the weight percentage sum of 1;
in the second step, the material treatment comprises the following steps:
1) mixing the raw materials according to the formula proportion of the step one to prepare glaze slip;
2) introducing the prepared glaze slurry into a ball mill for processing;
3) firstly, testing the pH value of the clear liquid of the glaze slip without a flocculating agent and a debonding agent by using a pH test paper, then adding a proper flocculating agent and a debonding agent according to the pH value of the glaze slip, and adjusting the performance of the glaze slip with a new formula;
in the third step, the firing comprises the following steps;
1) oxidizing and firing a common gas open flame roller kiln in a carignan ceramic production area by using a firing curve of common stoneware or porcelain products, wherein the environment temperature is 1175-1195 ℃, and the processing time is 5.0-5.5 h;
2) after high-fire heat preservation, carrying out quenching work to carry out secondary oxidation on the surface of the glaze layer;
in the fourth step, when the residual glaze is reused, all the residual glaze is subjected to ball milling, a small amount of proper dispergator is added, a proper amount of water is supplemented, the ball milling and mixing are carried out for about 30 minutes, and the milled glaze slurry is sieved by a 120-mesh sieve and then can be reused.
3. The grignard metal glaze with silver white color effect according to claim 1, wherein: the components are as follows by mass percent: 3% of washing mud, 3% of lithiated quartz, 9% of lithium carbonate, 38% of albite, 20% of iron phosphate, 10% of aluminum phosphate, 1% of zinc oxide, 8% of color developing agent, 6% of rutile and 2% of manganese carbonate.
4. The processing technology of the Grignard metal glaze with silver white color effect according to the claim 2, characterized in that: in the first step, because the thermal expansion coefficient of the metal glaze is generally larger than that of the common ceramic glaze, the blank with a slightly larger thermal expansion coefficient is selected to be matched with the metal glaze.
5. The processing technology of the Grignard metal glaze with silver white color effect according to the claim 2, characterized in that: in the first step, the bulk density of the -containing hydrous iron phosphate is small, which has great influence on the performance of the glaze slip, and the calcined iron phosphate can be dehydrated by heat preservation at about 750 ℃ for about 15min, wherein the loss on ignition is about 20%, and the calcined iron phosphate is preferably not agglomerated into hard blocks.
6. The processing technology of the Grignard metal glaze with silver white color effect according to the claim 2, characterized in that: in the second step 2), the concentration of the glaze slip is controlled to be more than 60 baume degrees.
7. The processing technology of the Grignard metal glaze with silver white color effect according to the claim 2, characterized in that: in the step four 2), after the high-fire heat preservation at the highest sintering temperature is finished, forced rapid cooling of about 20 ℃/min must be carried out immediately, slow cooling can be carried out when the temperature is reduced to below 1150 ℃, and the speed of the cooling speed does not have any influence on the glaze color.
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