CN112062546A - 6 mm porcelain thin rock plate and preparation method thereof - Google Patents
6 mm porcelain thin rock plate and preparation method thereof Download PDFInfo
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- 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
- C04B33/00—Clay-wares
- C04B33/36—Reinforced clay-wares
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- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/1305—Organic additives
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- 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
- C04B33/00—Clay-wares
- C04B33/24—Manufacture of porcelain or white ware
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3436—Alkaline earth metal silicates, e.g. barium silicate
- C04B2235/3445—Magnesium silicates, e.g. forsterite
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
- C04B2235/6583—Oxygen containing atmosphere, e.g. with changing oxygen pressures
Abstract
The invention discloses a 6 mm porcelain thin rock plate which is prepared from kaolin, zirconium-aluminum ball clay, potassium-sodium feldspar, albite, potassium sand, strong plastic soil, talc, paraffin, hydroxymethyl cellulose and sodium humate, wherein before preparation, the materials are sequentially subjected to fine grinding and harmful element detection to guarantee the subsequent rock plate firing quality, then high-frequency high-strength iron removal is performed through a high-frequency gauss full-automatic magnetic separator, high-pressure forming is performed in a 6 mm forming die by using a large-tonnage press, and finally high-temperature firing is performed; according to the invention, high-quality natural raw materials such as kaolin, zirconium-aluminum ball clay, potassium-sodium feldspar, potassium sand, strong plastic soil and talc are selected for fine grinding and deferrization, and the novel plastic agents such as paraffin, hydroxymethyl cellulose and sodium humate are introduced, so that the cohesiveness of the mixed material is not improved in the preparation process, the toughness of the rock plate can be improved after sintering, the bending resistance of the rock plate is improved, and the application range of the rock plate is expanded and applied to the field of the surface of the plate.
Description
Technical Field
The invention particularly relates to a 6 mm porcelain thin rock plate and a preparation method thereof.
Background
The modern building and decoration industry has more and more applications to the imitated natural stone bricks, the requirements on the imitated natural stone bricks are more and more wild, various types of imitated natural stone bricks are also greatly emerged, and the ceramic polished bricks on the market are produced by technological means such as 'dream distribution', 'multi-pipe distribution', 'micro powder multi-time distribution' and the like.
Therefore, the rock plate is used as a new decorative plate, and the application range and the surface treatment effect are not needed to achieve different use purposes. In order to meet the requirements of people for indoor and outdoor decoration by adopting granite, the building industry develops the products of porcelain thin rock plates, thereby providing more choices for many consumers who want to adopt ceramic tiles for decoration. The porcelain thin rock plate products are common in the market, but some problems exist in some existing porcelain thin rock plate products more or less, and further popularization and application of the porcelain thin rock plate products are prevented. For example, its thickness of current porcelain matter thin rock plate reaches 1.6cm, belongs to a thick ceramic tile, corresponds to and uses in the anchor clamps, and its thickness can occupy the structure of furniture, leads to the structure of furniture to use the ceramic tile to give first place to, and the increase cost also does not do benefit to furniture and decorates, and in addition, this kind of ceramic tile is because thick, and its impact resistance and toughness are poor, in case receive stronger impact force will appear ftractureing, smashing, and its quality can not reach the requirement.
Disclosure of Invention
In view of the above, the present invention aims to provide a 6 mm ceramic thin rock plate which can improve the cohesiveness of the mixed material during the preparation process, improve the toughness of the rock plate after sintering, improve the bending resistance of the rock plate, and expand the application range of the rock plate in the field of equipment plate surfaces, and a preparation method corresponding to the 6 mm ceramic thin rock plate.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a6 mm porcelain thin rock plate is prepared from the following raw materials in percentage by weight: 15% of kaolin, 20% of zirconium-aluminum ball clay, 20% of potash-sodium feldspar, 15% of sodium feldspar, 17% of potassium sand, 10% of superplastic soil, 2.5% of talc, 0.1% of paraffin, 0.1% of hydroxymethyl cellulose and 0.3% of sodium humate.
Further, after 15% of kaolin, 20% of zirconium-aluminum ball clay, 20% of potassium-sodium feldspar, 15% of sodium feldspar, 17% of potassium sand, 10% of strong plastic soil, 2.5% of talcum, 0.1% of paraffin, 0.1% of hydroxymethyl cellulose and 0.3% of sodium humate are mixed, the content of harmful elements such as iron, calcium and the like is less than 0.2%.
A preparation method of a 6 mm porcelain thin rock plate comprises the following steps:
step 1: the method comprises the following steps of sequentially detecting the purity, strength and harmful elements of raw materials of 15% of kaolin, 20% of zirconium-aluminum ball clay, 20% of potassium-sodium feldspar, 15% of sodium feldspar, 17% of potassium sand, 10% of superplastic soil, 2.5% of talcum, 0.1% of paraffin, 0.1% of hydroxymethyl cellulose and 0.3% of sodium humate according to production process requirements before entering a bin, entering the bin after the detection reaches the standard, completing homogenization and stacking, and fully and uniformly mixing the raw materials for later use;
step 2: selecting the mixed material subjected to detection and homogenization stacking in the step 1 for fine processing to enable the fineness of the mixed material to reach the nanometer level, removing 0.4-0.6% of coarse particles after 250-mesh standard screening to enable the particle size distribution of the slurry powder to be uniform, improving the sintering degree of the product in the later firing process and being beneficial to improving the toughness of the product;
and step 3: transferring the slurry powder finely processed in the step 2 to a high-frequency Gaussian full-automatic magnetic separation iron remover, and removing residual harmful fine iron in the slurry powder by using the high-frequency Gaussian full-automatic magnetic separation iron remover, so that the whiteness of the product can be improved, and the oxidation performance in the later firing process can be improved;
and 4, step 4: after removing harmful iron in the mixed powder in the step 3, transferring the mixed powder into a 6 mm forming die in a large-tonnage press for press forming, and highly aggregating and bonding the powder particles to obtain a high-density and high-strength 6 mm ceramic sheet blank for later use;
and 5: and (4) sending the 6 mm porcelain sheet blank subjected to compression molding in the step (4) into a full-automatic intelligent roller kiln for high-temperature firing, fully oxidizing and melting the blank at the high temperature of 1230-1250 ℃ by optimally controlling a firing curve and the high-fire heat preservation time to form a mullite crystal with high strength and high toughness to improve the skeleton of the blank, and naturally cooling to solidify the mullite crystal to obtain the 6 mm porcelain sheet with high density and excellent compression and bending resistance.
The technical effects of the invention are mainly reflected in the following aspects: the material is prepared from kaolin, zirconium-aluminum ball clay, potassium-sodium feldspar, potassium sand, strong plastic soil, talc, paraffin, hydroxymethyl cellulose and sodium humate, wherein before preparation, the material is required to be subjected to fine grinding and harmful element detection in sequence to guarantee the subsequent firing quality of rock plates, then high-frequency and high-strength iron removal is carried out through a high-frequency Gauss full-automatic magnetic separator, high-pressure forming is carried out in a forming die with the thickness of 6 mm by using a large-tonnage press, and finally high-temperature firing is carried out; according to the invention, high-quality natural raw materials such as kaolin, zirconium-aluminum ball clay, potassium-sodium feldspar, potassium sand, strong plastic soil and talc are selected for fine grinding and deferrization, and the novel plastic agents such as paraffin, hydroxymethyl cellulose and sodium humate are introduced, so that the cohesiveness of the mixed material is not improved in the preparation process, the toughness of the rock plate can be improved after sintering, the bending resistance of the rock plate is improved, and the application range of the rock plate is expanded and applied to the field of the surface of the plate.
Detailed Description
The embodiments of the present invention are described in further detail to make the technical solutions of the present invention easier to understand and master.
Examples
A6 mm porcelain thin rock plate is prepared from the following raw materials in percentage by weight: 15% of kaolin, 20% of zirconium-aluminum ball clay, 20% of potash-sodium feldspar, 15% of sodium feldspar, 17% of potassium sand, 10% of superplastic soil, 2.5% of talc, 0.1% of paraffin, 0.1% of hydroxymethyl cellulose and 0.3% of sodium humate.
Further, after 15% of kaolin, 20% of zirconium-aluminum ball clay, 20% of potassium-sodium feldspar, 15% of sodium feldspar, 17% of potassium sand, 10% of strong plastic soil, 2.5% of talcum, 0.1% of paraffin, 0.1% of hydroxymethyl cellulose and 0.3% of sodium humate are mixed, the content of harmful elements such as iron, calcium and the like is less than 0.2%.
A preparation method of a 6 mm porcelain thin rock plate comprises the following steps:
step 1: the method comprises the following steps of sequentially detecting the purity, strength and harmful elements of raw materials of 15% of kaolin, 20% of zirconium-aluminum ball clay, 20% of potassium-sodium feldspar, 15% of sodium feldspar, 17% of potassium sand, 10% of superplastic soil, 2.5% of talcum, 0.1% of paraffin, 0.1% of hydroxymethyl cellulose and 0.3% of sodium humate according to production process requirements before entering a bin, entering the bin after the detection reaches the standard, completing homogenization and stacking, and fully and uniformly mixing the raw materials for later use;
step 2: selecting the mixed material subjected to detection and homogenization stacking in the step 1 for fine processing to enable the fineness of the mixed material to reach the nanometer level, removing 0.4-0.6% of coarse particles after 250-mesh standard screening to enable the particle size distribution of the slurry powder to be uniform, improving the sintering degree of the product in the later firing process and being beneficial to improving the toughness of the product;
and step 3: transferring the slurry powder finely processed in the step 2 to a high-frequency Gaussian full-automatic magnetic separation iron remover, and removing residual harmful fine iron in the slurry powder by using the high-frequency Gaussian full-automatic magnetic separation iron remover, so that the whiteness of the product can be improved, and the oxidation performance in the later firing process can be improved;
and 4, step 4: after removing harmful iron in the mixed powder in the step 3, transferring the mixed powder into a 6 mm forming die in a large-tonnage press for press forming, and highly aggregating and bonding the powder particles to obtain a high-density and high-strength 6 mm ceramic sheet blank for later use;
and 5: and (4) sending the 6 mm porcelain sheet blank subjected to compression molding in the step (4) into a full-automatic intelligent roller kiln for high-temperature firing, fully oxidizing and melting the blank at the high temperature of 1230-1250 ℃ by optimally controlling a firing curve and the high-fire heat preservation time to form a mullite crystal with high strength and high toughness to improve the skeleton of the blank, and naturally cooling to solidify the mullite crystal to obtain the 6 mm porcelain sheet with high density and excellent compression and bending resistance.
In the invention, the corresponding paraffin, hydroxymethyl cellulose and sodium humate play specific roles in the invention:
sodium humate: commonly called as humic acid sodium, sodium salt of humic acid, the appearance of which is colloid or black powder; is generally prepared by the action of peat, lignite or some soil and caustic soda solution; the sodium humate is added into the mixture of kaolin, zirconium-aluminum ball clay, potassium-sodium feldspar, potassium sand, superplastic soil and talc which are homogenized and piled up, so that the plasticity, the fluidity and the suspension property of the mixture can be improved, and the drying strength of a 6 mm porcelain sheet can be increased; in addition, the sodium humate has obvious effects of strengthening and toughening for the 6 mm ceramic thin plate, improves the quality of the 6 mm ceramic thin plate and prolongs the service life of the 6 mm ceramic thin plate.
Hydroxymethyl cellulose: CMC is produced in alkali solution with alkali cellulose and monochloroacetic acid, and has white powder, high hydroscopicity, capacity of dissolving in organic solvent and capacity of raising the plasticity of mixed material.
Paraffin wax: the wax is a mixture of hydrocarbons with different melting points, is in a white solid state, has a melting point of about 50 ℃, has cold flow property, namely can flow under the condition of room temperature and pressure, but is thermoplastic at high temperature, and is a common plasticizer raw material for hot-press casting of industrial ceramics and special ceramics; in the invention, before the paraffin is used, the paraffin is heated to 60-80 ℃ by a heating furnace, then the paraffin is taken out and uniformly stirred and mixed with kaolin, zirconium-aluminum ball clay, potash feldspar, albite, potash sand, superplastic soil and talc, and the firing strength, toughness and acid and alkali resistance of the 6 mm ceramic sheet after forming can be enhanced by matching with hydroxymethyl cellulose and sodium humate.
Respectively detecting the compression resistance and bending resistance of the 6 mm ceramic sheets prepared in the embodiment, detecting the compression resistance and bending resistance of the products by adopting a professional ceramic product digital display type bending resistance detector, and controlling the breaking modulus of the products; then detecting the acid and alkali resistance, soaking the product for 24 hours by using dilute hydrochloric acid with the concentration of 3 percent, and judging the product to be resistant if the surface is slightly corroded or not corrodedAcid-base performance A grade; finally, detecting the impact resistance, preparing a detection sample into a standard sample with the length X width X thickness of 85X126m, and controlling the impact strength to be more than 1.6KJ/m3。
The technical effects of the invention are mainly reflected in the following aspects: the material is prepared from kaolin, zirconium-aluminum ball clay, potassium-sodium feldspar, potassium sand, strong plastic soil, talc, paraffin, hydroxymethyl cellulose and sodium humate, wherein before preparation, the material is required to be subjected to fine grinding and harmful element detection in sequence to guarantee the subsequent firing quality of rock plates, then high-frequency and high-strength iron removal is carried out through a high-frequency Gauss full-automatic magnetic separator, high-pressure forming is carried out in a forming die with the thickness of 6 mm by using a large-tonnage press, and finally high-temperature firing is carried out; according to the invention, high-quality natural raw materials such as kaolin, zirconium-aluminum ball clay, potassium-sodium feldspar, potassium sand, strong plastic soil and talc are selected for fine grinding and deferrization, and the novel plastic agents such as paraffin, hydroxymethyl cellulose and sodium humate are introduced, so that the cohesiveness of the mixed material is not improved in the preparation process, the toughness of the rock plate can be improved after sintering, the bending resistance of the rock plate is improved, and the application range of the rock plate is expanded and applied to the field of the surface of the plate.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (3)
1. A6 mm porcelain thin rock plate is characterized in that: the material is prepared from the following raw materials in percentage by weight: 15% of kaolin, 20% of zirconium-aluminum ball clay, 20% of potash-sodium feldspar, 15% of sodium feldspar, 17% of potassium sand, 10% of superplastic soil, 2.5% of talc, 0.1% of paraffin, 0.1% of hydroxymethyl cellulose and 0.3% of sodium humate.
2. A 6 mm porcelain thin rock panel as claimed in claim 1 wherein: 15% of kaolin, 20% of zirconium-aluminum ball clay, 20% of potash-sodium feldspar, 15% of sodium feldspar, 17% of potassium sand, 10% of superplastic soil, 2.5% of talcum, 0.1% of paraffin, 0.1% of hydroxymethyl cellulose and 0.3% of sodium humate are mixed, and the content of harmful elements such as iron, calcium and the like is less than 0.2%.
3. A method for preparing a 6 mm ceramic thin rock plate according to claim 1, comprising the steps of:
step 1: the method comprises the following steps of sequentially detecting the purity, strength and harmful elements of raw materials of 15% of kaolin, 20% of zirconium-aluminum ball clay, 20% of potassium-sodium feldspar, 15% of sodium feldspar, 17% of potassium sand, 10% of superplastic soil, 2.5% of talcum, 0.1% of paraffin, 0.1% of hydroxymethyl cellulose and 0.3% of sodium humate according to production process requirements before entering a bin, entering the bin after the detection reaches the standard, completing homogenization and stacking, and fully and uniformly mixing the raw materials for later use;
step 2: selecting the mixed material subjected to detection and homogenization stacking in the step 1 for fine processing to enable the fineness of the mixed material to reach the nanometer level, removing 0.4-0.6% of coarse particles after 250-mesh standard screening to enable the particle size distribution of the slurry powder to be uniform, improving the sintering degree of the product in the later firing process and being beneficial to improving the toughness of the product;
and step 3: transferring the slurry powder finely processed in the step 2 to a high-frequency Gaussian full-automatic magnetic separation iron remover, and removing residual harmful fine iron in the slurry powder by using the high-frequency Gaussian full-automatic magnetic separation iron remover, so that the whiteness of the product can be improved, and the oxidation performance in the later firing process can be improved;
and 4, step 4: after removing harmful iron in the mixed powder in the step 3, transferring the mixed powder into a 6 mm forming die in a large-tonnage press for press forming, and highly aggregating and bonding the powder particles to obtain a high-density and high-strength 6 mm ceramic sheet blank for later use;
and 5: and (4) sending the 6 mm porcelain sheet blank subjected to compression molding in the step (4) into a full-automatic intelligent roller kiln for high-temperature firing, fully oxidizing and melting the blank at the high temperature of 1230-1250 ℃ by optimally controlling a firing curve and the high-fire heat preservation time to form a mullite crystal with high strength and high toughness to improve the skeleton of the blank, and naturally cooling to solidify the mullite crystal to obtain the 6 mm porcelain sheet with high density and excellent compression and bending resistance.
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| CN115504764A (en) * | 2022-10-08 | 2022-12-23 | 湖南华联瓷业股份有限公司 | Ceramic slurry based on waste porcelain and preparation method and application thereof |
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| CN115073132A (en) * | 2022-07-19 | 2022-09-20 | 广东嘉联企业陶瓷有限公司 | Fine and smooth surface pure-color ultrathin rock plate |
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