CN114262208A - Large-particle dry particle superposed matte glaze ceramic plate and preparation method thereof - Google Patents
Large-particle dry particle superposed matte glaze ceramic plate and preparation method thereof Download PDFInfo
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- 239000002245 particle Substances 0.000 title claims abstract description 117
- 239000000919 ceramic Substances 0.000 title claims abstract description 109
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 46
- 239000000843 powder Substances 0.000 claims abstract description 37
- 239000002994 raw material Substances 0.000 claims abstract description 29
- 239000004576 sand Substances 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 238000010304 firing Methods 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 17
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 13
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000004806 packaging method and process Methods 0.000 claims abstract description 13
- 239000002689 soil Substances 0.000 claims abstract description 13
- 239000000454 talc Substances 0.000 claims abstract description 13
- 229910052623 talc Inorganic materials 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 238000000227 grinding Methods 0.000 claims description 14
- 238000005498 polishing Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 12
- 239000003086 colorant Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000001694 spray drying Methods 0.000 claims description 6
- 238000000498 ball milling Methods 0.000 claims description 4
- 238000007688 edging Methods 0.000 claims description 4
- 240000004282 Grewia occidentalis Species 0.000 claims description 2
- 230000000181 anti-adherent effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 9
- 238000012805 post-processing Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005507 spraying Methods 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The invention discloses a large-particle dry particle superposed matte glaze ceramic plate which comprises the following components: the preparation method of the ceramic plate comprises the following production steps of medium-temperature sand, kaolin, black talc, low-temperature white sand, mud powder, high-strength soil, large-particle wear-resistant ceramic particles, matt glaze and ground glaze, wherein the large-particle dry-particle superposed matt glaze ceramic plate comprises the following steps: preparing raw materials, processing the raw materials, manufacturing blanks, drying the blanks, glazing, applying an anti-sticking agent, firing the blanks, post-processing ceramic plates, detecting the ceramic plates and packaging. The large-particle dry particle superposed matt glaze ceramic plate and the preparation method thereof are provided with the addition of large-particle materials, and the raw materials of the ceramic plate are improved according to the formula, so that the connection strength of the ceramic plate inside the ceramic plate is increased through large-particle wear-resistant ceramic particles, the overall strength of the finished ceramic plate is improved, the pressure bearing capacity of the finished ceramic plate is improved, the application range of the matt glaze ceramic plate is enlarged, and the service life of the matt glaze ceramic plate is prolonged.
Description
Technical Field
The invention relates to the technical field of ceramic plates, in particular to a large-particle dry particle superposed matt glaze ceramic plate and a preparation method thereof.
Background
The ceramic plate has extremely strong weather resistance, and no matter sunlight, rain or moisture has any influence on the surface and the base material. The ultraviolet irradiation resistance and the color stability completely reach the international gray level of 4-5. Also, large or rapid temperature changes do not affect the properties and appearance of the material. The reasonable combination of bending strength and elasticity enables the ceramic plate to have high impact strength. The compact material surface makes dust less likely to adhere and makes cleaning easier. The ceramic plate has excellent fire resistance, does not melt, drip or explode, and is stable for a long time. The process for decorating the dry-grain matte glaze on the surface of the ceramic tile has the advantages of precise light sensation control, 4-8 degrees of glossiness and soft and comfortable vision. The product has the advantages of lines, concave-convex three-dimensional layers, fine and natural texture, high spatial sense and pure texture. Wear-resisting and stain-resisting. The main technological means of decorating the dry grain matte glaze at present is directly spread on the surface of the ceramic tile in the way of pouring and spraying, but the adoption of the ways is poor in glazing suspension performance, so that dry grains are easy to settle, even if the dry grains are continuously stirred in the use process, the dry grain glaze is poor in stability in the pouring, spraying or flat plate printing technological process, namely, the quantity difference of the dry grains of each tile and even different parts of the same tile is large, and the cost is increased greatly.
Therefore, we propose a large-particle dry particle-superposed matte-glaze ceramic plate and a preparation method thereof so as to solve the problems proposed in the above.
Disclosure of Invention
The invention aims to provide a large-particle dry particle superposed matt glaze ceramic plate and a preparation method thereof, and aims to solve the problems that in the existing matt glaze ceramic plate manufacturing process in the market in the background art, the dry particle glaze has poor stability in the process of spraying, spraying or flat plate printing, namely the number of dry particles in different parts of each tile and even the same tile is large, and the cost is increased.
In order to achieve the purpose, the invention provides the following technical scheme: a large-particle dry particle superposed matte glaze ceramic plate comprises the following components in parts by weight: 15-20 parts of medium temperature sand, 12-16 parts of kaolin, 8-14 parts of black talc, 16-20 parts of low temperature white sand, 5-10 parts of mud powder, 8-14 parts of high strength soil, 6-9 parts of large particle wear-resistant ceramic particles, 0.5-1.6 parts of dry particle matte glaze and 0.4-1 part of ground glaze.
A preparation method of a large-particle dry particle superposed matte glaze ceramic plate comprises the following production steps:
(1) preparation of raw materials: preparing the following components in parts by weight: 15-20 parts of medium temperature sand, 12-16 parts of kaolin, 8-14 parts of black talc, 16-20 parts of low temperature white sand, 5-10 parts of mud powder and 8-14 parts of high strength soil, and uniformly mixing by using a stirrer for 20-35min to prepare a mixture;
(2) treatment of raw materials: conveying the mixture obtained in the step (1) into a ball mill through a conveying belt, grinding and crushing by using the ball mill, flushing water into the ball mill to enable the water to carry out mixture powder outflow, carrying out iron removal and sieving treatment processes, conveying the treated slurry into a spray drying tower to be dried to prepare raw material powder, and uniformly mixing the mixture powder with large-particle wear-resistant ceramic particles to prepare a large-particle mixture;
(3) manufacturing a blank: adding the large-particle mixture obtained in the step (2) into a large-tonnage press by using a conveyer belt, shaping and pressing, extruding and shaping into a square shape, and manufacturing into a blank;
(4) drying the blank: conveying the blanks in the step (3) into a drying kiln in a roller type conveying mode for mobile high-temperature drying to remove most of moisture in the blanks;
(5) glazing treatment: placing the blank dried in the step (4) on a horizontal conveyor belt for glaze pouring, applying primary ground coat, processing textures and colors on the ground coat, and then applying primary overglaze;
(6) applying an anti-sticking agent for treatment: continuously performing coating processing on the blank treated in the step (5) on a roller type conveyor belt, and applying an anti-adhesive coating on the bottom of the blank;
(7) and (3) firing of the blank: conveying the blank treated in the step (6) into a main kiln for high-temperature sintering, and cooling to room temperature through high air to prepare a ceramic plate;
(8) post-treatment of the ceramic plates: performing edge grinding and polishing treatment on the ceramic plate in the step (7);
(9) detection and packaging of ceramic plates: and (4) manually detecting the ceramic plates processed in the step (8), removing unqualified ceramic plates, and then packaging by using corrugated boards.
Preferably, the ball milling time of the ball mill in the step (2) is 13-15h, the fineness of the ball-milled particles is 0.7-0.9, the diameter of the raw material powder is 0.5-2mm, and the water content is 5-8%.
Preferably, the size of the blank in the step (3) is between 900x900mm and 1200x2400 mm.
Preferably, the drying kiln in the step (4) adopts a double-layer high-speed rail drying kiln, the drying temperature is 800-900 ℃, the drying time is 30-50min, and the moisture content of the dried blank is less than 5%.
Preferably, the texture and design processing in the step (5) is performed by using a 3D printer.
Preferably, the anti-sticking agent in the step (6) is an alumina coating.
Preferably, the main kiln in the step (7) is a roller kiln, the roller kiln has a length of 360m, a firing temperature of 1200 ℃ and 1400 ℃, and the firing time is 70-90 min.
Preferably, the edging treatment in the step (8) is performed by four-corner edging, and the polishing treatment is performed by polishing and finish grinding in a polishing line.
Compared with the prior art, the invention has the beneficial effects that: the large-particle dry particle superposed matt glaze ceramic plate and the preparation method thereof,
(1) the addition of large-particle materials is arranged, the large-particle wear-resistant ceramic particles are added before compression molding, the formula of the raw materials of the ceramic plate is improved, the connection strength of the ceramic plate inside the ceramic plate is increased through the large-particle wear-resistant ceramic particles, fine particles inside the ceramic plate are combined with the large particles in a superposition mode, the connection strength between the fine particles and the large particles is increased, the overall strength of a finished ceramic plate is improved, the pressure-bearing capacity of the finished ceramic plate is improved, the application range and the service life of the matt glazed ceramic plate are increased, dry matt glaze with different refractories is added, after high-temperature firing, the texture of the matt glazed ceramic plate is rich, texture lines, concave-convex three-dimensional layers, fine and natural texture, high-grade spatial sense and texture are achieved, and meanwhile, the wear-resistant, antifouling and anti-slip effects of the product are improved;
(2) be provided with the fine processing of raw and other materials, it is smashed to the fine processing of raw and other materials through the ball mill, be convenient for make various different raw and other materials carry out abundant mixture, the distribution that makes various raw and other materials on the ceramic plate is more even, make the intensity everywhere on ceramic plate surface the same basically, the homogeneity of ceramic plate structure has been increased, and through deironing and screening treatment process, reduce the influence of iron and coarse impurity, prevent that the blank from taking place partial caking phenomenon at the in-process of sintering, the yield that the ceramic plate was fired has been improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Example one
A large-particle dry particle superposed matte glaze ceramic plate comprises the following components in parts by weight: 20 parts of medium temperature sand, 16 parts of kaolin, 14 parts of black talc, 20 parts of low temperature white sand, 10 parts of mud powder, 14 parts of high strength soil, 9 parts of large-particle wear-resistant ceramic particles, 1.6 parts of dry-particle matte glaze and 1 part of ground glaze.
A preparation method of a large-particle dry particle superposed matte glaze ceramic plate comprises the following production steps:
(1) preparation of raw materials: preparing the following components in parts by weight: 20 parts of medium temperature sand, 16 parts of kaolin, 14 parts of black talc, 20 parts of low temperature white sand, 10 parts of mud powder and 14 parts of high strength soil, and uniformly mixing by using a mixer for 35min to prepare a mixture;
(2) treatment of raw materials: conveying the mixture obtained in the step (1) into a ball mill through a conveyer belt, grinding and crushing by using the ball mill for 15 hours until the fineness of the ball-milled particles is 0.9, flushing the ball mill to enable water to flow out with the mixture powder, performing iron removal and sieving treatment processes, conveying the treated slurry into a spray drying tower for drying to obtain raw material powder, wherein the diameter of the raw material powder is 2mm, the moisture content is 8%, and uniformly mixing the mixture powder with large-particle wear-resistant ceramic particles to obtain a large-particle mixture;
(3) manufacturing a blank: adding the large-particle mixture obtained in the step (2) into a large-tonnage press by using a conveyer belt, shaping and pressing, extruding and shaping the mixture into a square shape, and manufacturing a blank, wherein the size of the blank is 1200x2400 mm;
(4) drying the blank: conveying the blanks in the step (3) into a drying kiln in a roller type conveying mode for movable high-temperature drying, wherein the drying kiln adopts a double-layer high-speed rail drying kiln, the drying temperature is 900 ℃, the drying time is 50min, most of water in the blanks is removed, and the water content of the dried blanks is lower than 5%;
(5) glazing treatment: placing the blank dried in the step (4) on a horizontal conveyor belt for glaze pouring, applying primary ground coat, processing textures and colors on the ground coat, and then applying primary overglaze;
(6) applying an anti-sticking agent for treatment: continuously carrying out coating processing on the blank treated in the step (5) on a roller type conveyor belt, and applying an alumina anti-sticking agent coating on the bottom of the blank;
(7) and (3) firing of the blank: conveying the blank treated in the step (6) into a main kiln for high-temperature sintering, wherein the main kiln is a roller kiln, the length of the roller kiln is 360m, the firing temperature is 1400 ℃, the firing time is 90min, and then cooling to room temperature through high air to prepare a ceramic plate;
(8) post-treatment of the ceramic plates: performing edge grinding and polishing treatment on the ceramic plate in the step (7);
(9) detection and packaging of ceramic plates: and (4) manually detecting the ceramic plates processed in the step (8), removing unqualified ceramic plates, and then packaging by using corrugated boards.
Example two
A large-particle dry particle superposed matte glaze ceramic plate comprises the following components in parts by weight: 15 parts of medium temperature sand, 12 parts of kaolin, 8 parts of black talc, 16 parts of low temperature white sand, 5 parts of mud powder, 8 parts of high strength soil, 6 parts of large-particle wear-resistant ceramic particles, 0.5 part of dry-particle matte glaze and 0.4 part of ground coat.
A preparation method of a large-particle dry particle superposed matte glaze ceramic plate comprises the following production steps:
(1) preparation of raw materials: preparing the following components in parts by weight: 15 parts of medium temperature sand, 12 parts of kaolin, 8 parts of black talc, 16 parts of low temperature white sand, 5 parts of mud powder and 8 parts of high strength soil, and uniformly mixing by using a mixer for 20-min to prepare a mixture;
(2) treatment of raw materials: conveying the mixture obtained in the step (1) into a ball mill through a conveyer belt, grinding and crushing by using the ball mill, wherein the ball milling time is 13 hours, the fineness of the ball-milled particles is 0.7, flushing the ball mill to enable water to flow out with the mixture powder, performing iron removal and sieving treatment processes, conveying the treated slurry into a spray drying tower for drying to obtain raw material powder, wherein the diameter of the raw material powder is 0.5mm, the water content is 5%, and then uniformly mixing the mixture powder with large-particle wear-resistant ceramic particles to obtain a large-particle mixture;
(3) manufacturing a blank: adding the large-particle mixture obtained in the step (2) into a large-tonnage press by using a conveyer belt, shaping and pressing, extruding and shaping the mixture into a square shape, and manufacturing a blank, wherein the size of the blank is 900x900 mm;
(4) drying the blank: conveying the blanks in the step (3) into a drying kiln in a roller type conveying mode for movable high-temperature drying, wherein the drying kiln adopts a double-layer high-speed rail drying kiln, the drying temperature is 800 ℃, the drying time is 30min, most of water in the blanks is removed, and the water content of the dried blanks is lower than 5%;
(5) glazing treatment: placing the blank dried in the step (4) on a horizontal conveyor belt for glaze pouring, applying primary ground coat, processing textures and colors on the ground coat, and then applying primary overglaze;
(6) applying an anti-sticking agent for treatment: continuously carrying out coating processing on the blank treated in the step (5) on a roller type conveyor belt, and applying an alumina anti-sticking agent coating on the bottom of the blank;
(7) and (3) firing of the blank: conveying the blank treated in the step (6) into a main kiln for high-temperature sintering, wherein the main kiln is a roller kiln, the length of the roller kiln is 360m, the firing temperature is 1200 ℃, the firing time is 70min, and then cooling to room temperature through high air to prepare a ceramic plate;
(8) post-treatment of the ceramic plates: performing edge grinding and polishing treatment on the ceramic plate in the step (7);
(9) detection and packaging of ceramic plates: and (4) manually detecting the ceramic plates processed in the step (8), removing unqualified ceramic plates, and then packaging by using corrugated boards.
EXAMPLE III
A large-particle dry particle superposed matte glaze ceramic plate comprises the following components in parts by weight: 18 parts of medium temperature sand, 14 parts of kaolin, 10 parts of black talc, 18 parts of low temperature white sand, 8 parts of mud powder, 10 parts of high strength soil, 8 parts of large-particle wear-resistant ceramic particles, 1 part of dry-particle matte glaze and 0.7 part of ground coat.
A preparation method of a large-particle dry particle superposed matte glaze ceramic plate comprises the following production steps:
(1) preparation of raw materials: preparing the following components in parts by weight: mixing 18 parts of medium temperature sand, 14 parts of kaolin, 10 parts of black talc, 18 parts of low temperature white sand, 8 parts of mud powder and 10 parts of high strength soil uniformly by using a mixer for 30min to prepare a mixture;
(2) treatment of raw materials: conveying the mixture obtained in the step (1) into a ball mill through a conveyer belt, grinding and crushing by using the ball mill for 14 hours until the fineness of the ball-milled particles is 0.8, flushing the ball mill to enable water to flow out with the mixture powder, performing iron removal and sieving treatment processes, conveying the treated slurry into a spray drying tower for drying to obtain raw material powder, wherein the diameter of the raw material powder is 1.5mm, the water content is 7%, and uniformly mixing the raw material powder with large-particle wear-resistant ceramic particles to obtain a large-particle mixture;
(3) manufacturing a blank: adding the large-particle mixture obtained in the step (2) into a large-tonnage press by using a conveyer belt, shaping and pressing, extruding and shaping the mixture into a square shape, and manufacturing a blank, wherein the size of the blank is 1000x1200 mm;
(4) drying the blank: conveying the blanks in the step (3) into a drying kiln in a roller type conveying mode for movable high-temperature drying, wherein the drying kiln adopts a double-layer high-speed rail drying kiln, the drying temperature is 850 ℃, the drying time is 40min, most of water in the blanks is removed, and the water content of the dried blanks is lower than 5%;
(5) glazing treatment: placing the blank dried in the step (4) on a horizontal conveyor belt for glaze pouring, applying primary ground coat, processing textures and colors on the ground coat, and then applying primary overglaze;
(6) applying an anti-sticking agent for treatment: continuously carrying out coating processing on the blank treated in the step (5) on a roller type conveyor belt, and applying an alumina anti-sticking agent coating on the bottom of the blank;
(7) and (3) firing of the blank: conveying the blank treated in the step (6) into a main kiln for high-temperature sintering, wherein the main kiln is a roller kiln, the length of the roller kiln is 360m, the firing temperature is 1300 ℃, the firing time is 80min, and then cooling to room temperature through high air to prepare a ceramic plate;
(8) post-treatment of the ceramic plates: performing edge grinding and polishing treatment on the ceramic plate in the step (7);
(9) detection and packaging of ceramic plates: and (4) manually detecting the ceramic plates processed in the step (8), removing unqualified ceramic plates, and then packaging by using corrugated boards.
Example four
A large-particle dry particle superposed matte glaze ceramic plate comprises the following components in parts by weight: 16 parts of medium temperature sand, 15 parts of kaolin, 13 parts of black talc, 18 parts of low temperature white sand, 9 parts of mud powder, 11 parts of high strength soil, 7 parts of large-particle wear-resistant ceramic particles, 1.2 parts of dry-particle matte glaze and 0.6 part of ground coat.
A preparation method of a large-particle dry particle superposed matte glaze ceramic plate comprises the following production steps:
(1) preparation of raw materials: preparing the following components in parts by weight: mixing 16 parts of medium temperature sand, 15 parts of kaolin, 13 parts of black talc, 18 parts of low temperature white sand, 9 parts of mud powder and 11 parts of high strength soil uniformly by using a mixer for 32min to prepare a mixture;
(2) treatment of raw materials: conveying the mixture obtained in the step (1) into a ball mill through a conveyer belt, grinding and crushing by using the ball mill, wherein the ball milling time is 13 hours, the fineness of the ball-milled particles is 0.7, flushing the ball mill to enable water to flow out with the mixture powder, performing iron removal and sieving treatment processes, conveying the treated slurry into a spray drying tower for drying to obtain raw material powder, wherein the diameter of the raw material powder is 1.6mm, the water content is 8%, and then uniformly mixing the mixture powder with large-particle wear-resistant ceramic particles to obtain a large-particle mixture;
(3) manufacturing a blank: adding the large-particle mixture obtained in the step (2) into a large-tonnage press by using a conveyer belt, shaping and pressing, extruding and shaping the mixture into a square shape, and manufacturing a blank, wherein the size of the blank is 1200x1200 mm;
(4) drying the blank: conveying the blanks in the step (3) into a drying kiln in a roller type conveying mode for movable high-temperature drying, wherein the drying kiln adopts a double-layer high-speed rail drying kiln, the drying temperature is 840 ℃, the drying time is 36min, most of water in the blanks is removed, and the water content of the dried blanks is lower than 5%;
(5) glazing treatment: placing the blank dried in the step (4) on a horizontal conveyor belt for glaze pouring, applying primary ground coat, processing textures and colors on the ground coat, and then applying primary overglaze;
(6) applying an anti-sticking agent for treatment: continuously carrying out coating processing on the blank treated in the step (5) on a roller type conveyor belt, and applying an alumina anti-sticking agent coating on the bottom of the blank;
(7) and (3) firing of the blank: conveying the blank treated in the step (6) into a main kiln for high-temperature sintering, wherein the main kiln is a roller kiln, the length of the roller kiln is 360m, the firing temperature is 1250 ℃, the firing time is 70min, and then cooling to room temperature through high air to prepare a ceramic plate;
(8) post-treatment of the ceramic plates: performing edge grinding and polishing treatment on the ceramic plate in the step (7);
(9) detection and packaging of ceramic plates: and (4) manually detecting the ceramic plates processed in the step (8), removing unqualified ceramic plates, and then packaging by using corrugated boards.
And those not described in detail in this specification are well within the skill of those in the art.
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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The large-particle dry particle superposed matte glaze ceramic plate is characterized by comprising the following components in parts by weight: 15-20 parts of medium temperature sand, 12-16 parts of kaolin, 8-14 parts of black talc, 16-20 parts of low temperature white sand, 5-10 parts of mud powder, 8-14 parts of high strength soil, 6-9 parts of large particle wear-resistant ceramic particles, 0.5-1.6 parts of dry particle matte glaze and 0.4-1 part of ground glaze.
2. The method for preparing the large-particle dry particle superposed matt glazed ceramic plate as claimed in claim 1, which comprises the following production steps:
(1) preparation of raw materials: preparing the following components in parts by weight: 15-20 parts of medium temperature sand, 12-16 parts of kaolin, 8-14 parts of black talc, 16-20 parts of low temperature white sand, 5-10 parts of mud powder and 8-14 parts of high strength soil, and uniformly mixing by using a stirrer for 20-35min to prepare a mixture;
(2) treatment of raw materials: conveying the mixture obtained in the step (1) into a ball mill through a conveying belt, grinding and crushing by using the ball mill, flushing water into the ball mill to enable the water to carry out mixture powder outflow, carrying out iron removal and sieving treatment processes, conveying the treated slurry into a spray drying tower to be dried to prepare raw material powder, and uniformly mixing the mixture powder with large-particle wear-resistant ceramic particles to prepare a large-particle mixture;
(3) manufacturing a blank: adding the large-particle mixture obtained in the step (2) into a large-tonnage press by using a conveyer belt, shaping and pressing, extruding and shaping into a square shape, and manufacturing into a blank;
(4) drying the blank: conveying the blanks in the step (3) into a drying kiln in a roller type conveying mode for mobile high-temperature drying to remove most of moisture in the blanks;
(5) glazing treatment: placing the blank dried in the step (4) on a horizontal conveyor belt for glaze pouring, applying primary ground coat, processing textures and colors on the ground coat, and then applying primary overglaze;
(6) applying an anti-sticking agent for treatment: continuously performing coating processing on the blank treated in the step (5) on a roller type conveyor belt, and applying an anti-adhesive coating on the bottom of the blank;
(7) and (3) firing of the blank: conveying the blank treated in the step (6) into a main kiln for high-temperature sintering, and cooling to room temperature through high air to prepare a ceramic plate;
(8) post-treatment of the ceramic plates: performing edge grinding and polishing treatment on the ceramic plate in the step (7);
(9) detection and packaging of ceramic plates: and (4) manually detecting the ceramic plates processed in the step (8), removing unqualified ceramic plates, and then packaging by using corrugated boards.
3. The method for preparing a large-particle dry particle superposed matte-glaze ceramic plate according to claim 2, wherein the method comprises the following steps: the ball milling time of the ball mill in the step (2) is 13-15h, the fineness of the ball-milled particles is 0.7-0.9, the diameter of the raw material powder is 0.5-2mm, and the water content is 5-8%.
4. The method for preparing a large-particle dry particle superposed matte-glaze ceramic plate according to claim 2, wherein the method comprises the following steps: the size of the blank in the step (3) is 900x900mm-1200x2400 mm.
5. The method for preparing a large-particle dry particle superposed matte-glaze ceramic plate according to claim 2, wherein the method comprises the following steps: and (4) adopting a double-layer high-speed rail drying kiln in the step (4), wherein the drying temperature is 800-900 ℃, the drying time is 30-50min, and the moisture content of the dried blank is less than 5%.
6. The method for preparing a large-particle dry particle superposed matte-glaze ceramic plate according to claim 2, wherein the method comprises the following steps: and (5) processing the textures and colors by adopting a 3D printer.
7. The method for preparing a large-particle dry particle superposed matte-glaze ceramic plate according to claim 2, wherein the method comprises the following steps: and (4) the anti-sticking agent in the step (6) is an alumina coating.
8. The method for preparing a large-particle dry particle superposed matte-glaze ceramic plate according to claim 2, wherein the method comprises the following steps: the main kiln in the step (7) is a roller kiln, the roller kiln has the length of 360m, the firing temperature of 1200 ℃ and 1400 ℃, and the firing time is 70-90 min.
9. The method for preparing a large-particle dry particle superposed matte-glaze ceramic plate according to claim 2, wherein the method comprises the following steps: and (4) edging in the step (8) is carried out in a four-corner edging mode, and polishing is carried out in a polishing and finish grinding mode by adopting a polishing and glaze-polishing line.
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