CN110627532A - Large-size ceramic rock plate and production process thereof - Google Patents
Large-size ceramic rock plate and production process thereof Download PDFInfo
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- CN110627532A CN110627532A CN201911058826.2A CN201911058826A CN110627532A CN 110627532 A CN110627532 A CN 110627532A CN 201911058826 A CN201911058826 A CN 201911058826A CN 110627532 A CN110627532 A CN 110627532A
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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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- 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
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
- C03C8/20—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
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- 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
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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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
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- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
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- 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
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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Abstract
The invention discloses a large-size ceramic rock slab which comprises, by weight, 40% ~ 55% of medium temperature sand, 15% ~ 25% of low temperature sand, 16% ~ 25% of ball clay, 5% ~ 10% of burnt talc, 2% ~ 5% of calcined kaolin and 1% ~ 3% of zirconium silicate, and compared with the traditional building material, the large-size ceramic rock slab is a novel material and has vivid simulated 3D texture, fine texture, hard, flexible and wear-resistant characteristics.
Description
Technical Field
The invention belongs to the technical field of ceramic decorative materials, and particularly relates to a large-size ceramic rock plate.
Background
With the continuous development of scientific technology and the continuous improvement of the living standard of human beings, the architectural decoration develops towards a novel decorative material which is environment-friendly, multifunctional, high in strength, light in weight, finished, standardized in installation and intelligent in control.
The existing natural stone has the following defects: a. because marble generally contains impurities, and calcium carbonate is easily weathered and corroded by carbon dioxide, carbide and water vapor in the atmosphere, the surface loses luster quickly; generally only for interior trim. Having radioactivity: natural marble is generally radioactive and has a certain effect on the human body.
The existing artificial stone has the following defects: the artificial stone contains chemical synthetic substances, and is partially harmful to human bodies, small in hardness, easy to scratch, not high-temperature resistant and easy to color.
Disclosure of Invention
The invention provides a large-size ceramic rock plate which is a novel material compared with the traditional building material and has the characteristics of vivid simulated 3D texture, fine texture, hardness, flexibility and wear resistance. Due to the fact that the light-transmitting material has complicated and varied colors and light-transmitting materials, the light-transmitting material can be applied to various aspects from the traditional to advanced architectural styles and from home furnishing to overall design.
The technical scheme of the invention is realized as follows:
the large-size ceramic rock plate comprises the following raw materials in percentage by weight: 40-55% of medium-temperature sand, 15-25% of low-temperature sand, 16-25% of ball clay, 5-10% of calcined talc, 2-5% of calcined kaolin and 1-3% of zirconium silicate;
the glaze for the rock plate comprises a ground glaze and a full-polished glaze:
the ground glaze comprises the following effective components in percentage by weight: 22 to 26 percent of quartz sand, 8 to 11 percent of air knife soil, 5 to 8 percent of ball clay, 7 to 11 percent of calcined talc, 13 to 16 percent of albite, 10 to 14 percent of nepheline powder, 8 to 12 percent of zirconium silicate, 11 to 15 percent of calcined kaolin, 0.08 to 0.12 percent of methyl, 0.2 to 0.6 percent of sodium tripolyphosphate and 30 to 33 percent of water;
the full-polished glaze comprises the following effective components in percentage by weight: 18 to 22 percent of fusion cake, 8 to 12 percent of air knife soil, 14 to 18 percent of calcite, 19 to 23 percent of albite, 9 to 12 percent of calcined talc, 6 to 9 percent of zirconium silicate, 3 to 6 percent of zinc oxide, 9 to 12 percent of barium carbonate, 0.08 to 0.12 percent of methyl, 0.1 to 0.5 percent of sodium tripolyphosphate and 37 to 41 percent of water.
In the large-size ceramic rock plate, the ground coat comprises the following effective components in percentage by weight: 24.24% of quartz sand, 9.16% of air-knife soil, 6.68% of ball clay, 9.19% of calcined talc, 14.87% of albite, 12.46% of nepheline powder, 10.14% of zirconium silicate, 13.26% of calcined kaolin, 0.1% of methyl, 0.4% of sodium tripolyphosphate and 31.25% of water;
the full-polished glaze comprises the following effective components in percentage by weight: 20.00 percent of clinker, 10.54 percent of air knife soil, 16.98 percent of calcite, 20.19 percent of albite, 10.12 percent of burning talc, 7.16 percent of zirconium silicate, 4.68 percent of zinc oxide, 10.33 percent of barium carbonate, 0.10 percent of methyl, 0.30 percent of sodium tripolyphosphate and 39.00 percent of water.
In the large-size ceramic rock plate, all raw materials are subjected to fine processing, wherein the chemical raw material content of each part of the medium-temperature sand is as follows: al (Al)2O313% -16% of Fe2O3≤0.05％，K2O+Na2O is 7 to 9 percent, and I.L is less than or equal to 1 percent; the low-temperature sand comprises the following chemical raw materials in part: al (Al)2O313% -15% of Fe2O3≤0.05％，K2O≥2％，Na2O is 5 to 7 percent, and I.L is less than or equal to 1 percent; each part of ball soilThe content of the chemical raw materials of the differentiation: al (Al)2O3≥30％，Fe2O3Less than or equal to 0.8 percent, I.L less than or equal to 12 percent; the chemical materials for glaze are all selected from the calcined talc, the calcined kaolin and the zirconium silicate.
In the large-size ceramic rock plate, the ingredients are accurately prepared according to the formula, and the error of all raw materials is within 20 kg.
The production process of the large-size ceramic rock plate comprises the following steps: batching → ball milling → slurry discharging and placing in a pool → spray granulation → powder material warehousing → press molding → green brick is placed in a drying kiln → green brick water spray → bottom glaze spraying → ink jet printing → glaze spraying and throwing → green brick is placed in a glaze firing kiln → firing → polishing → grading and warehousing.
In the production process of the large-size ceramic rock plate, the ball mill selects medium-high alumina ball stones as ball milling media, and the ball milling fineness is less than 0.6.
In the production process of the large-size ceramic rock plate, the powder comprises the following chemical components in percentage by weight: al (Al)2O319 to 22 percent of Fe2O3Not more than 0.3 percent, MgO 1.0-1.5 percent, K22.5 to 3.5 percent of O and Na22.5 to 3.0 percent of O and 3 to 5 percent of I.L.
In the production process of the large-size ceramic rock plate, the glaze line adopts a large-size ink-jet printing machine to print a proper pattern effect, and the production flow of the glaze line is as follows: drying the green body → wiping the green body → spraying water → glazing → printing → applying protective glaze, wherein the glazing is ground glaze and the protective glaze is full-polished glaze.
In the production process of the large-size ceramic rock plate, the firing period of a kiln is two hours, the firing temperature is 1180 ℃, and the temperature of a kiln tail green brick is 45-60 ℃.
The ingredients of the raw materials for the rock slab used in the present scheme are shown in the following table:
| name of raw materials | SiO2 | Al2O3 | Fe2O3 | CaO | MgO | K2O | Na2O | I.L |
| Medium temperature sand | 77.10 | 13.20 | 0.03 | 0.35 | 0.07 | 2.52 | 4.84 | 0.97 |
| Low-temperature sand | 75.19 | 13.64 | 0.04 | 0.20 | 0.05 | 5.48 | 5.56 | 0.95 |
| Ball clay | 54.51 | 30.66 | 0.65 | 0.06 | 0.11 | 1.73 | 0.27 | 11.03 |
| Burned talcum | 60.00 | 0.52 | 0.12 | 3.58 | 33.22 | 0.18 | 0.32 | 1.29 |
| Calcined kaolin | 52.14 | 44.74 | 0.53 | 0.58 | 0.17 | 0.22 | 0.49 | 0.40 |
The large-size ceramic rock plate has the following beneficial effects:
1. safety and sanitation: can be directly contacted with food, is made of pure natural materials, can be recovered by 100 percent, is non-toxic and non-radiative, simultaneously comprehensively considers the requirements of human sustainable development, and is healthy and environment-friendly.
2. Fireproof and high temperature resistant: the rock plate with the A1 grade fireproof performance does not deform when directly contacting high-temperature objects, does not shrink, crack or change color when meeting open fire at 2000 ℃, and does not emit any gas or smell.
3. Stain resistance: the rock plate has low water absorption rate, and no space for breeding bacteria is provided while stains cannot permeate.
4. Scratch and wear resistance: the Mohs hardness exceeds 5 grades, and can resist scratching and attempted scratching.
5. Corrosion resistance: resistant to various chemicals including solutions, disinfectants, and the like.
6. Easy cleaning: the cleaning agent can be cleaned only by wiping with a wet towel, has no special maintenance requirement, and is simple and quick to clean.
7. All-round application: the application boundary is broken through, the border is crossed from the decorative material to the application material, the design, the processing and the application are more diversified and wide, and the high-standard application requirements are met.
8. Flexible customization: the texture of the rock plate is rich and various, and can be customized according to the needs of users.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.
The rock plate is used as a brand new material, is a brand new concept developed on the basis of the ceramic thin plate and the ceramic large plate, has large-specification commonality with the ceramic thin plate and the ceramic large plate, forms obvious difference on product expression, and is a result of a new method and a fine classification for ceramic large plate enterprises. The main characteristics of the rock plate are large, thick and consistent in texture, and compared with ceramic tiles, the rock plate is more fire-resistant, high-temperature resistant, stain-resistant, corrosion-resistant and zero-penetration. The rock plate is generated at high temperature, the Mohs hardness exceeds 5 grade, the scratch resistance and wear resistance are extremely excellent, and the value of the rock plate is rich and exquisite stone texture, so that the advantages of the rock plate which is applied to kitchenware and furniture across the boundary are outstanding, and the rock plate is durable for a long time. From the product characteristics, the rock plate is very competitive-artificial stone and quartz contain resin, marble and granite have radioactivity, the rock plate is not good for environmental protection and health, meanwhile, the texture of the rock plate is artificially created, and is rich and diverse, and the advantages determine that the rock plate can move farther and farther on a plate-like road and firmly occupy a place. The large-size ceramic rock slab comprises the following raw materials in percentage by weight: 40-55% of medium-temperature sand, 15-25% of low-temperature sand, 16-25% of ball clay, 5-10% of calcined talc, 2-5% of calcined kaolin and 1-3% of zirconium silicate.
The raw materials are accurately mixed according to the formula, the error of all the raw materials is within 20 kg, and all the raw materials are finely processed. Wherein, the content of each part of chemical raw materials of the medium temperature sand is as follows: al (Al)2O313% -16% of Fe2O3≤0.05％，K2O+Na2O is 7 to 9 percent, and I.L is less than or equal to 1 percent; the content of each part of chemical raw materials of the low-temperature sand is as follows: al (Al)2O313% -15% of Fe2O3≤0.05％，K2O≥2％，Na2O is 5 to 7 percent, and I.L is less than or equal to 1 percent; the contents of chemical raw materials of all parts of the ball soil are as follows: al (Al)2O3≥30％，Fe2O3Less than or equal to 0.8 percent, I.L less than or equal to 12 percent; the chemical materials for glaze are all selected from the calcined talc, the calcined kaolin and the zirconium silicate.
The glaze for the rock plate comprises a ground glaze and a full-polished glaze:
the ground glaze comprises the following effective components in percentage by weight: 22 to 26 percent of quartz sand, 8 to 11 percent of air knife soil, 5 to 8 percent of ball clay, 7 to 11 percent of calcined talc, 13 to 16 percent of albite, 10 to 14 percent of nepheline powder, 8 to 12 percent of zirconium silicate, 11 to 15 percent of calcined kaolin, 0.08 to 0.12 percent of methyl, 0.2 to 0.6 percent of sodium tripolyphosphate and 30 to 33 percent of water;
the full-polished glaze comprises the following effective components in percentage by weight: 18 to 22 percent of fusion cake, 8 to 12 percent of air knife soil, 14 to 18 percent of calcite, 19 to 23 percent of albite, 9 to 12 percent of calcined talc, 6 to 9 percent of zirconium silicate, 3 to 6 percent of zinc oxide, 9 to 12 percent of barium carbonate, 0.08 to 0.12 percent of methyl, 0.1 to 0.5 percent of sodium tripolyphosphate and 37 to 41 percent of water.
The production process of the large-size ceramic rock plate comprises the following steps: batching → ball milling → slurry discharging in a pool (iron removal) → spray granulation → powder warehousing → press molding → green brick drying kiln entering → green brick water spraying → ground glaze pouring → ink jet printing → glaze pouring → green brick glaze firing kiln → firing → polishing → graded warehousing.
Wherein, the ball mill selects medium-high alumina ball stone as ball milling medium, and the ball milling fineness is less than 0.6.
The powder comprises the following chemical components in percentage by weight: al (Al)2O319 to 22 percent of Fe2O3Not more than 0.3 percent, MgO 1.0-1.5 percent, K22.5 to 3.5 percent of O and Na22.5 to 3.0 percent of O and 3 to 5 percent of I.L.
In order to meet production requirements, a large-tonnage press is used for press forming in a press workshop, and the maximum pressure of the press is 16800 tons. Wherein the press grinding tool size is 870mm 2828mm, the green size: 875mm 2845mm 16.5 mm.
The glaze line adopts a large-specification ink-jet printing machine to print a proper pattern effect, and the production flow of the glaze line is as follows: drying the green body → wiping the green body → spraying water → glazing → printing → applying protective glaze, wherein the glazing is ground glaze and the protective glaze is full-polished glaze.
The firing period of the kiln is longer, and reaches two hours. The firing temperature is 1180 ℃, and the kiln tail green brick temperature is 45-60 ℃. The size of the glaze firing finished product is as follows: the short edge is 795-800 mm, the long edge is 2582-2589 mm, the thickness is 14.8-15.2 mm, the whiteness of the white blank is 60-65 degrees, the water absorption rate is 0.01-0.03, the breaking strength is 6200-6500N, and the modulus of rupture is 42-45 Mpa.
During production, aiming at the characteristic of high requirement of white rock board on whiteness, the iron oxide content is reduced according to the formula, and meanwhile, the needed raw materials are deeply processed by cooperating with related raw material production enterprises and improving equipment for removing iron and the like of the raw materials, so that the iron content of the feldspar type raw materials is further reduced to be below 0.03 from 0.2, and the iron content of the ball clay type raw materials is reduced to be below 0.6 from 1.0. In order to ensure that the powder has lower ignition loss and strength, the strength of the powder is improved by adding a small amount of reinforcing agent while reducing the dosage of ball clay. All raw materials used in the process of the pilot plant are subjected to fine processing, wherein the content of iron in the feldspar raw materials is below 0.03%, the content of iron in the ball clay is less than 0.6, and meanwhile, zirconium silicate is properly added to improve whiteness. Aiming at the characteristics of large and thick rock plates, the flatness and the stability of the production line are further improved by introducing a 1.68 ten thousand ton press. The proportion of various raw materials in the formula is determined by the attack of related departments and the existing conditions of companies, and products meeting the requirements are finally prepared through a plurality of pilot tests. The rock plate ash is improved on the basis of the formula of the rock plate white.
The first embodiment is as follows:
the preferable formula of the rock plate glaze is as follows:
1. the formula of the ground glaze is as follows:
| sample name | Weight (kilogram) | Percent (%) |
| Quartz sand | 969.6 | 24.24 |
| Air knife soil | 366.4 | 9.16 |
| Ball clay | 267.2 | 6.68 |
| Burned talcum | 367.6 | 9.19 |
| Albite | 594.8 | 14.87 |
| Nepheline powder | 498.4 | 12.46 |
| Zirconium silicate | 405.6 | 10.14 |
| Calcined kaolin | 530.4 | 13.26 |
| Methyl radical | 4.0 | 0.1 |
| Sodium tripolyphosphate | 16.0 | 0.4 |
| Water (W) | 1250.0 | 31.25 |
The total weight of various raw materials is 4000 kg, the weight of the added methyl is 4kg, which is 0.1 percent of the total weight of the raw materials; the weight of the added sodium tripolyphosphate is 16kg, which is 0.4 percent of the total mass of various raw materials; the weight of the added water was 1250kg, which is 31.25% of the total mass of the raw materials.
When the ground glaze is prepared, the above materials are required to be uniformly mixed according to the weight percentage, and are put into a ball mill for crushing, 4kg of methyl and 16kg of sodium tripolyphosphate are required to be added in the ball milling process to play roles of dispergation and thickening, 1250kg of water is required to be added in the ball milling process, and the ball milling efficiency is improved. And (3) finally preparing a ground glaze: the specific gravity is 1.85-1.91, the flow rate is 45-65 s, and the screen allowance is 0.3-0.5.
The production process parameters are as follows: the flow rate(s) of the upper line is 35-55, the flow rate(s) of the ball outlet is 45-85, the fineness is 0.1-0.4 (250 meshes), the ball outlet is sieved by a sieve of 160 meshes, and the ageing time is more than 24 hours.
2. Full-polishing glaze formula
| Sample name | Weight (kilogram) | Percent (%) |
| Fusion cake | 800.0 | 20.00 |
| Air knife soil | 421.6 | 10.54 |
| Calcite | 679.2 | 16.98 |
| Albite | 807.6 | 20.19 |
| Burned talcum | 404.8 | 10.12 |
| Zirconium silicate | 286.4 | 7.16 |
| Zinc oxide | 187.2 | 4.68 |
| Barium carbonate | 413.2 | 10.33 |
| Methyl radical | 4.0 | 0.10 |
| Sodium tripolyphosphate | 12.0 | 0.30 |
| Water (W) | 1560.0 | 39.00 |
The total weight of various raw materials is 4000 kg, the weight of the added methyl is 4kg, which is 0.1 percent of the total weight of the raw materials; the weight of the added sodium tripolyphosphate is 12kg, which is 0.3 percent of the total mass of various raw materials; the weight of the added water is 1560kg, which is 39.0 percent of the total mass of various raw materials.
When the full-polished glaze is prepared, the materials are required to be uniformly mixed according to the weight percentage, and are placed into a ball mill for crushing, 4kg of methyl and 12kg of sodium tripolyphosphate are required to be added in the ball milling process to play roles of degumming and thickening, 1560kg of water is required to be added in the ball milling process, and the ball milling efficiency is improved. And finally, preparing a full-polished glaze: the specific gravity is 1.80-1.83, the flow rate is 45-65 s, and the screen allowance is 0.3-0.5.
The production process parameters are as follows: the flow rate(s) of the upper line is 35-55, the flow rate(s) of the ball outlet is 45-85, the fineness is 0.1-0.4 (250 meshes), the ball outlet is sieved by a sieve of 160 meshes, and the ageing time is more than 24 hours.
3. Various raw material composition
The rock plate has excellent performance, so that the rock plate can be applied to full-house system decoration (furniture decoration such as space facade decoration, wardrobe veneer, cabinet veneer and the like, and door veneer); meanwhile, the method can also be applied to the whole-space wall-ground integrated scheme (ground decoration paving, wall decoration paving, background wall decoration and cylindrical surface decoration) and the special-shaped processing system scheme (furniture table panel, cabinet table panel, stair step plate, cylindrical surface decoration processing and cabinet table support panel). The fashionable appearance, neatness, elegance, antibacterial and bacteriostatic properties and zero-permeability easy-to-clean performance are perfectly shown in the applications. The large space is customized by self-contained installation, conforms to trend, brings strong visual effect to commercial space with high-end artistic texture, and highlights luxury taste. The rock plate can be widely applied due to the super-strong physical performance, and a new trend of the building material industry must be introduced in the future.
For example, the rock plate can be applied to household customized design and application, various furniture table panels, cabinet table panels, stair step plates, cylindrical surface decoration processing and cabinet table supporting panels besides traditional paving and pasting of the ground, the wall surface and an outer wall dry hanging; in addition, the product can be processed into various household articles: such as tea sets, pillar basins, tables and chairs, hand basins and the like.
Thus, the object of the present invention is accomplished.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the subject matter of the invention is to be construed in all aspects and equivalents thereof.
Claims (9)
1. A large-size ceramic rock plate, which is characterized in that,
the raw materials for the rock slab comprise, by weight, 40% ~ 55% of medium temperature sand, 15% ~ 25% of low temperature sand, 16% ~ 25% of ball clay, 5% ~ 10% of calcined talc, 2% ~ 5% of calcined kaolin and 1% ~ 3% of zirconium silicate;
the glaze for the rock plate comprises a ground glaze and a full-polished glaze:
the ground glaze comprises the following effective components, by weight, 22% of quartz sand ~ 26%, 8% of air-knife soil ~ 11%, 5% of ball clay ~ 8%, 7% of burnt talc ~ 11%, 13% of albite ~ 16%, 10% of nepheline powder ~ 14%, 8% of zirconium silicate ~ 12%, 11% of calcined kaolin ~ 15%, 0.08% of methyl ~ 0.12.12%, 0.2% of sodium tripolyphosphate ~ 0.6.6% and 30% of water ~ 33%;
the fully polished glaze comprises the following effective components, by weight, 18% of fusion cake ~ 22%, 8% of air-knife soil ~ 12%, 14% of calcite ~ 18%, 19% of albite ~ 23%, 9% of calcined talc ~ 12%, 6% of zirconium silicate ~ 9%, 3% of zinc oxide ~ 6%, 9% of barium carbonate ~ 12%, 0.08% of methyl ~ 0.12.12%, 0.1% of sodium tripolyphosphate ~ 0.5.5% and 37% of water ~ 41%.
2. The large format ceramic rock panel of claim 1, wherein the primer comprises the following active ingredients in weight percent: 24.24% of quartz sand, 9.16% of air-knife soil, 6.68% of ball clay, 9.19% of calcined talc, 14.87% of albite, 12.46% of nepheline powder, 10.14% of zirconium silicate, 13.26% of calcined kaolin, 0.1% of methyl, 0.4% of sodium tripolyphosphate and 31.25% of water;
the full-polished glaze comprises the following effective components in percentage by weight: 20.00 percent of clinker, 10.54 percent of air knife soil, 16.98 percent of calcite, 20.19 percent of albite, 10.12 percent of burning talc, 7.16 percent of zirconium silicate, 4.68 percent of zinc oxide, 10.33 percent of barium carbonate, 0.10 percent of methyl, 0.30 percent of sodium tripolyphosphate and 39.00 percent of water.
3. The large format ceramic slate of claim 1, wherein all raw materials are subjected to fine processing, wherein each part of the medium temperature sand has a chemical raw material content: al (Al)2O313% -16% of Fe2O3≤0.05%，K2O+Na2O is 7 percent ~ 9 percent, I.L is less than or equal to 1 percent, and the chemical raw material content of each part of the low-temperature sand is Al2O313% -15% of Fe2O3≤0.05%，K2O≥2%，Na2O is 5 percent ~ 7 percent, I.L is less than or equal to 1 percent, and the chemical raw material content of each part of the ball clay is Al2O3≥30%，Fe2O3Less than or equal to 0.8 percent, I.L less than or equal to 12 percent; the chemical materials for glaze are all selected from the calcined talc, the calcined kaolin and the zirconium silicate.
4. The large format ceramic rock panel of claim 1, wherein the formulation is precisely dosed with all raw material tolerances within 20 kilograms.
5. The process of producing large format ceramic rock panels of claim 1, comprising the steps of: batching → ball milling → slurry discharging and placing in a pool → spray granulation → powder material warehousing → press molding → green brick is placed in a drying kiln → green brick water spray → bottom glaze spraying → ink jet printing → glaze spraying and throwing → green brick is placed in a glaze firing kiln → firing → polishing → graded warehousing.
6. The production process of the large-size ceramic rock plate according to claim 5, wherein the ball mill uses medium-high alumina ball stones as ball milling media, and the ball milling fineness is less than 0.6.
7. The process of producing large format ceramic rock plates of claim 5, wherein the powder comprises the following chemical components in weight percent: al (Al)2O319% ~ 22%, Fe2O3Not more than 0.3 percent, 1.0 percent of MgO ~ 1.5.5 percent, K2O is 2.5% ~ 3.5.5%, Na2O is 2.5% ~ 3.0.0%, I.L is 3% ~ 5%.
8. The process for producing large-size ceramic rock boards according to claim 5, wherein the glaze line is printed with a suitable pattern effect by using a large-size ink-jet printing machine, and the production flow of the glaze line is as follows: drying the green body → wiping the green body → spraying water → glazing → printing → applying protective glaze, wherein the glazing is ground glaze and the protective glaze is full-polished glaze.
9. The process of claim 5, wherein the kiln has a firing cycle of two hours, a firing temperature of 1180 ℃ and a kiln tail green brick temperature of 45 ~ 60 ℃.
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| CN111039700A (en) * | 2020-01-02 | 2020-04-21 | 杭州诺贝尔陶瓷有限公司 | Ultra-large-specification thin porcelain plate with antibacterial function and preparation method thereof |
| CN111704450A (en) * | 2020-05-22 | 2020-09-25 | 福建德胜新建材有限公司 | Preparation method of ceramic rock plate and ceramic rock plate |
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| CN112028607B (en) * | 2020-09-11 | 2022-05-17 | 淄博峰霞陶瓷有限公司 | High-strength ceramic rock plate and preparation method thereof |
| CN111995438A (en) * | 2020-09-11 | 2020-11-27 | 淄博峰霞陶瓷有限公司 | Preparation method of high-strength antibacterial ceramic rock plate |
| CN112297191A (en) * | 2020-09-21 | 2021-02-02 | 佛山市恒虹陶瓷有限公司 | One-step forming method of hollow-out and special-shaped ceramic rock plate |
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