298 results about "Ceramic glaze" patented technology

The invention discloses an enamel ceramic glaze tile with a metal spot bionic effect and a preparation method thereof, and relates to the technical field of ceramics. The enamel porcelain glaze tile comprises a bottom blank, a metal ground glaze layer and a semi-opaque cover glaze layer, the metal ground glaze layer is prepared from a first ground glaze formula or a second ground glaze formula, and the first ground glaze formula comprises, by mass, potassium feldspar, quartz, calcite, kaolin, talc, zinc oxide, ferric oxide and manganese dioxide; the formula of the second ground glaze comprises the following components in percentage by mass: potassium feldspar, quartz, calcite, kaolin, talc, zinc oxide, ferric oxide and chromic oxide; the semi-opaque surface glaze layer is prepared from the following raw materials in percentage by mass: albite, calcite, talc, burnt soil, zircon powder, oriental zirconium, calcined zinc oxide, black clay powder and calcined aluminum oxide. Through a double-layer glaze structure and a black mud powder glaze breaking mechanism, the stereoscopic visual effect that metal spots are randomly generated on an opacifying substrate is achieved, and meanwhile the Moh's hardness of the ceramic tile is improved.

The invention relates to the technical field of industrial vision, in particular to a ceramic glazed tile internal defect detection method based on image recognition, which comprises the following steps: acquiring multi-modal data including an X-ray tomography sequence, a surface heat map, a visible light image and production process parameters; constructing a three-dimensional digital twin based on X-ray data, fusing surface image information, and utilizing a three-dimensional segmentation network to accurately identify three-dimensional geometric features of internal and underglaze defects; carrying out physical causal reasoning on the geometrical characteristics of the defects through the constructed defect-cause knowledge graph reasoning model, and intelligently matching and identifying the physical causes of the defects; targeted correlation analysis and traceability are performed in combination with physical causes and production process parameters, production links causing defects are accurately positioned, and a control instruction for optimizing production is generated. According to the method, closed-loop defect detection of'diagnosis-traceability-control 'is realized, the defect problem can be accurately positioned, and automatic decision support is provided for optimizing production and improving product quality.

The invention discloses double-layer fancy glaze with chapped ground texture and a preparation method of the double-layer fancy glaze, and relates to the technical field of ceramic glaze. The double-layer fancy glaze is composed of a ground glaze layer and a cover glaze layer. The ground glaze raw materials comprise potassium feldspar, kaolin, calcite, quartz, dolomite, zinc oxide and pigment; the cover glaze raw materials comprise potassium feldspar, waste porcelain powder, blank powder, chinastone, limestone, sepiolite, quartz, zirconium silicate with the particle size D50 being less than or equal to 1.0 mu m and pigment. The preparation method comprises the following steps: respectively carrying out ball milling to prepare ground glaze slip (32-40 baume degrees) and cover glaze slip (51-53 baume degrees); spraying ground glaze on the green body, drying, and then soaking with cover glaze; and finally, sintering at the temperature of 1250-1270 DEG C in a reducing atmosphere. Through the synergistic effect of the sepiolite and other components, the cover glaze has high surface tension, forms a microcrack network during drying, generates controllable glaze shrinkage during firing, forms a three-dimensional chap texture with crack width of 1-5mm and strong curled and raised crack edges, and meanwhile, the ground glaze completely covers a green body, so that the product practicability is ensured.

The invention relates to the technical field of glazes, and discloses a high-performance ceramic glaze for bacteriostatic domestic porcelain and a preparation method thereof. The high-performance ceramic glaze of the antibacterial domestic porcelain is prepared from the following raw materials in parts by weight: 5 to 15 parts of albite, 20 to 30 parts of potassium feldspar, 10 to 30 parts of kaolin, 13 to 26 parts of quartz, 0.3 to 7 parts of talc, 5 to 10 parts of limestone, 2 to 5 parts of ludwigite, 0.5 to 1 part of rare earth, 2 to 5 parts of honeysuckle-loaded CuS, 1 to 3 parts of modified polysiloxane, 0.1 to 0.5 part of sodium tripolyphosphate and 0.1 to 0.3 part of carboxymethyl cellulose. The high-performance ceramic glaze for the antibacterial domestic porcelain prepared by the invention has relatively good long-acting antibacterial performance and high strength.

The invention discloses a preparation method and application of a ceramic glaze layer protecting and repairing material, and belongs to the technical field of cultural relic protection. The preparation method comprises preparation of a core-shell self-repairing nanocapsule, and the preparation of the core-shell self-repairing nanocapsule comprises the following steps: reacting a calcium chloride solution with a sodium hydroxide solution, then adding sodium polyacrylate and nano ZnO, and carrying out dispersion, centrifugation, washing and other operations to prepare the nano Ca (OH) 2-ZnO composite material. The nano Ca (OH) 2-ZnO composite material of the core-shell self-repairing nanocapsule can be rapidly released through the 3.5 nm aperture of the mesoporous SiO2 shell, glaze layer cracks are physically filled and react with CO2 in air to generate CaCO3 crystals, crack plugging is achieved, meanwhile, dynamic disulfide bonds of a PU layer are broken and recombined under stress stimulation, a crack interface is repaired through chemical bonding, and the performance of the core-shell self-repairing nanocapsule is improved. The 24-hour crack repair rate is greater than or equal to 96%, and the limitation of'one-time repair 'of a traditional material is solved.

The invention provides an antibacterial ceramic glaze sintering process optimization and intelligent temperature control method and system. According to the method, the molecular vibration characteristics of the antibacterial agent at different temperatures are dynamically obtained, and a thermal decomposition dynamic fingerprint database is constructed according to the attenuation law of the molecular vibration characteristics; meanwhile, a three-dimensional temperature field of the glaze layer is reconstructed based on a coupling relation between sound wave propagation parameters and glaze thermal expansion. And carrying out transfer learning on the fingerprint database and historical process data, predicting a glaze thermal stability attenuation parameter, and calculating a temperature gradient and molecular chain fracture compensation coefficient. And fusing the temperature field and the attenuation parameter, and dynamically regulating and controlling the sintering temperature curve and preserving heat by combining the compensation coefficient. The adjusted parameters generate closed-loop feedback by verifying the matching degree of the glaze microstructure and the antibacterial indexes, the compensation coefficient is corrected, and it is ensured that the antibacterial performance of the glaze is stabilized within the process allowance. The temperature control precision and the antibacterial performance stability of antibacterial ceramic glaze sintering are improved.

The invention relates to the technical field of functional ceramic materials, and discloses complex-phase gradient isomeric zinc spinel-based composite activated zinc oxide, a preparation method thereof and a ceramic glaze, and the preparation method comprises the following steps: mixing zinc oxide, aluminum oxide, silicon oxide, magnesium oxide and rare earth oxide in proportion to obtain a mixture, adding the mixture and an alkoxy compound into a solvent, and dispersing to form nano precursor slurry; carrying out reduction-oxidation calcination treatment on the obtained nano precursor slurry to obtain a calcined product; and carrying out hydration treatment on the obtained calcined product to obtain the complex-phase gradient isomeric zinc spinel-based composite activated zinc oxide. By implementing the preparation method, the obtained complex-phase gradient isomeric zinc spinel-based composite activated zinc oxide contains a zinc oxide phase and a spinel phase, is low in high-temperature lattice distortion rate and has super wear resistance, and a rare earth element R is introduced, so that the catalytic activity of the zinc oxide is improved, the degradation rate of the zinc oxide to formaldehyde and toluene is increased, and the antibacterial property of the zinc oxide is also improved.

The invention relates to the technical field of ceramic glaze water, in particular to ceramic glaze water capable of continuously releasing negative ions based on a rare earth material and a preparation method of the ceramic glaze water. Comprising a negative ion material, sodium polystyrenesulfonate, an immobilized bacterium preparation, carbon nanotube modified graphene oxide, turbo stone, modified sepiolite, nano-zinc oxide, sodium hexametasilicate, polyethylene glycol, a composite antioxidant, a coalescing agent, a slow-release carrier and deionized water. The negative ion material is formed by mixing low-radioactivity commercial rare earth powder, tourmaline and opal according to the mass ratio of (3-4): (4-5): 1. According to the invention, the preparation cost of the glaze water is reduced and the production efficiency is improved by optimizing the composition and compounding mode of the negative ion material, enhancing the stability of the bacterial preparation and simplifying the preparation process, meanwhile, the negative ion release durability, the ceramic surface adhesive force and the antibacterial property are remarkably enhanced, and the requirements of industrial production and practical application are met.

The invention discloses antibacterial ceramic glaze and a preparation method thereof, relates to the technical field of ceramic glaze, and solves the problems that part of ceramic glaze is poor in antibacterial effect, the mechanical strength of the glaze surface is relatively low, and the production process is relatively tedious. The invention discloses antibacterial ceramic glaze and a preparation method thereof. The antibacterial ceramic glaze comprises the following components in parts by weight: 25-45 parts of potassium feldspar, 5-10 parts of nano yttrium-doped zirconium oxide, 3-10 parts of a lanthanide silver composite antibacterial agent, 7-25 parts of a fluxing agent, 1-7 parts of a wear-resistant reinforcing agent, 2-6 parts of an adhesive and 20-50 parts of deionized water. According to the invention, the nano yttrium-doped zirconium oxide and the lanthanide silver composite antibacterial agent are added into the glaze for cooperation, so that rare earth metals yttrium, lanthanum and silver in the glaze have a synergistic effect, the produced glaze can form a stable antibacterial phase at a high temperature, and meanwhile, the mechanical strength of the glaze surface is remarkably improved by the nano zirconium oxide.

The invention discloses a high-temperature-resistant inorganic antibacterial ceramic glaze and a preparation process, and relates to the technical field of ceramic glaze preparation, the glaze is composed of a basic glaze and a zinc oxide-doped cerium dioxide inorganic antibacterial agent, and the basic glaze comprises feldspar, quartz, kaolin, calcite and talc. The preparation process comprises the following steps: mixing the raw materials, carrying out wet ball milling, adding the antibacterial agent and the dispergator, stirring at a high speed, sieving to remove iron, aging, glazing and sintering at a high temperature. In the process, an iron removal integrated unit integrating a two-stage vibration screening function and an automatic iron scraping function is adopted, and efficient and continuous iron removal operation is achieved. The obtained glaze can resist high-temperature sintering of 1150-1200 DEG C, the glaze surface is smooth and uniform, the glaze surface has lasting and efficient broad-spectrum antibacterial performance, glaze surface defects caused by iron impurities are effectively avoided, and the product yield and quality stability are improved.

The invention discloses a preparation method of ultra-smooth low-expansion ceramic glaze for in-situ generation of cordierite, bismuth oxide and antimony oxide are introduced into a high-potassium low-sodium system to form a K-Mg-Sb-Bi multi-element eutectic system, so that the low thermal expansion property and the smooth property of the glaze are realized; in-situ precipitation of cordierite microcrystals in a glaze glass phase is more successfully guided, so that a ceramic glaze surface with excellent comprehensive performance is obtained.

The invention discloses an automatic ceramic glazing control system and method fusing machine vision and track planning, and relates to the technical field of ceramic production automation, and the method comprises the steps: obtaining basic information and glazing demand information of to-be-glazed ceramic; according to the automatic ceramic glazing control system and method fusing machine vision and trajectory planning, three-dimensional data are obtained by shooting ceramic images from multiple angles and scanning, the three-dimensional features of surface profiles, textures and tiny defects can be accurately captured, even pits and protrusions can be recognized, and when a glazing path is planned, the glazing quality is greatly improved. The angle of the nozzle can be adjusted in real time according to the surface morphology of the ceramic to ensure that glaze is sprayed perpendicular to an arc-shaped surface and a special-shaped surface, and meanwhile, the moving speed of the nozzle and the glaze output quantity are matched to avoid material consumption deviation per unit area; the glazing thickness uniformity and the coverage area precision are improved through mutual cooperation, the problems that coating of special-shaped ceramics is missed, and the thickness fluctuation of curved-surface products is large are solved, and the percent of pass of complex ceramic products is remarkably improved.

The present invention discloses a high-quality ceramic glaze for sanitary ceramics and a preparation method thereof. The ceramic glaze comprises, by weight, 15-23% potassium feldspar, 4-10% sodium feldspar, 28-34% quartz, 1-4% aluminum oxide, 8-14% calcite, 4-8% dolomite, 4-8% burned kaolin, 6-8% wollastonite, 2-3% zinc oxide, 7-10% zirconium silicate, and 2-3% boron frit. While the present invention reduces the use of zirconium silicate in the formula, by precisely adjusting the silicon-aluminum ratio and introducing quartz particles of a specific composition, the glaze surface hardness is comparable to that of conventional formulas. Even while reducing the use of potentially radioactive ingredients, the product still provides good scratch resistance and a long service life, thereby maintaining normal use and aesthetics. By reducing the amount of zirconium silicate used, the glaze formula reduces production costs by approximately 20%, achieving energy conservation and consumption reduction.

The invention discloses antibacterial ceramic glaze as well as a preparation method and application thereof, belongs to the technical field of ceramic glaze processing, and aims to solve the technical problem that the antibacterial property of ceramic glaze needs to be further improved in the prior art. The high-temperature-resistant glaze specifically comprises the following components in parts by weight: 40-60 parts of modified kaolin, 10-20 parts of modified calcite, 40-60 parts of feldspar powder, 5-10 parts of zinc oxide, 8-10 parts of borax, 20-30 parts of alumina and 20-30 parts of perlite. Silver ions and copper ions are used as antibacterial agents, complementation of the two antibacterial agents is achieved, the limitation of a single antibacterial agent is broken through when the two antibacterial agents are used in cooperation, common microorganisms such as bacteria, fungi and molds can be covered after cooperation, and the effects of rapid sterilization and long-acting bacteriostasis are achieved.

The invention relates to the technical field of ceramic glaze production, in particular to interlayer chemical coupling long-acting noctilucent ceramic glaze as well as a preparation method and application thereof. The glaze is of a multi-layer composite structure and sequentially comprises a bottom-layer combined glaze layer, a core noctilucent functional glaze layer and a photochromic protective cover glaze layer from inside to outside. The core layer adopts a glaze system containing niobium pentoxide to realize chemical coupling with the bottom layer, and adopts a core-shell structure long afterglow luminescent material to realize white light adjustability; and the protective cover glaze layer adopts a WO3 / TiO2 / CeO2 composite system. The glaze is prepared through a two-step method of high-temperature primary firing and low-temperature secondary firing, and the obtained glaze is high in interlayer bonding strength, high in weather resistance, long in luminous life, capable of adapting to ambient light and suitable for safety sign products in extreme environments.

The invention discloses a ceramic glaze as well as a preparation method and application thereof, and belongs to the technical field of ceramics. The ceramic glaze provided by the invention comprises a basic glaze and a photocatalyst, the photocatalyst comprises graphene as well as modified titanium dioxide and modified zinc oxide which are loaded on the surface of the graphene; the modified titanium dioxide is Fe and S co-doped titanium dioxide, and the modified zinc oxide is Cu-doped zinc oxide; the particle size of the modified titanium dioxide and / or modified zinc oxide is 10-30nm; the mass ratio of the photocatalyst to solids in the basic glaze is (0.5-3): 100. According to the ceramic glaze provided by the invention, the cleaning difficulty of a glaze surface can be effectively reduced, and the antibacterial property of the glaze surface is improved. The invention also provides a preparation method and application of the ceramic glaze.

The invention discloses a duplicated natural stone ceramic glaze, and belongs to the technical field of ceramic glaze, the duplicated natural stone ceramic glaze comprises the following components: 60-70 parts of duplicated natural stone dry particles, and 30-40 parts of glaze ground glaze, the duplicated natural stone glaze provided by the invention can restore the texture of stone in a ratio of 1: 1, so that a ceramic tile also has the texture, gloss and touch of stone, and the texture of the ceramic tile is improved. The ceramic tile perfectly inherits the advantages of stone, meanwhile, the defects that the stone is low in strength, high in price, provided with radiation, limited in use place and the like are perfectly overcome, 12 high-precision nozzles are used for precise glazing in the glazing process, and Gaussian dry particles and muscle pattern engraving ink are added, so that the ceramic tile can be thick, thin, deep and shallow, symbiotic in muscle pattern and free of orange peel on the glaze surface; and meanwhile, the water absorption rate and the strength are far higher than those of the natural stone, and the ceramic tile is free of radiation, does not release harmful gas and is not limited by use sites.

This utility model relates to a ceramic glazing spray gun, comprising a spray gun, a solvent tank, and a glaze tank. The glaze inlet end of the spray gun is connected to a three-way switching valve, and the solvent tank, glaze tank, and spray gun are connected via the three-way switching valve. After the spray gun finishes working, the three-way switching valve instantly switches to the solvent tank, and the solvent in the solvent tank flows into the spray gun, replacing the glaze and filling the fluid channel of the spray gun. Then, the solvent is sprayed out in a mist to flush the inside of the spray gun until clear solvent flows out, thus ensuring that the fine orifices of the nozzle are not blocked.

The invention discloses sanitary ceramic repairing glaze and a ceramic glaze surface defect repairing process. The repairing glaze comprises ground glaze and self-cleaning snowflake cover glaze, the ground glaze is prepared from 18 to 23 parts of frit, 3 to 8 parts of calcined kaolin, 25 to 30 parts of quartz, 23 to 28 parts of albite, 2 to 5 parts of wollastonite, 9 to 14 parts of calcite, 0.8 to 1.2 parts of calcined zinc oxide, 8 to 12 parts of zirconium silicate, 1 to 3 parts of barium carbonate and 0.8 to 1.2 parts of aluminum oxide; the self-cleaning snowflake cover glaze is prepared from 28 to 33 parts of frit, 12 to 16 parts of calcined kaolin, 2 to 6 parts of calcined zinc oxide, 7 to 12 parts of calcite, 3 to 8 parts of wollastonite, 16 to 22 parts of albite, 0.5 to 1.5 parts of calcined talc, 15 to 20 parts of quartz, 1 to 4 parts of barium carbonate and 0.5 to 13 parts of aluminum oxide. According to the formula of the ground glaze and the self-cleaning snowflake cover glaze, the initial melting temperature of the glaze is reduced by adding a fluxing agent and reducing high-temperature raw materials, the high-temperature chemical reaction time is shortened, and the formula can adapt to a fast firing curve of a refiring kiln.

The invention is suitable for the technical field of ceramic glaze spraying processing, and provides a uniform glaze spraying device for domestic ceramics. Comprising a base; the lifting component is mounted on the base; the spraying part is installed on the base and comprises a spray head and a glaze supply part, the glaze supply part is provided for the spray head, and the spray head is installed at the output end of the lifting part; the storage and loading mechanism is mounted on the base and comprises a matching disc rotationally arranged on the supporting shaft in a sleeving manner and a storage and loading table arranged in the center of the matching disc; a self-adjusting structure for automatically adjusting the rotating angle of the storing and carrying table according to the weight of the ceramic is arranged between the matching disc and the storing and carrying table; and the transmission part is arranged between the output end of the lifting part and the storing and loading mechanism and used for driving the ceramics on the storing and loading mechanism to rotate by a preset angle when the lifting part is close to the low position. By arranging the transmission part, the device is simpler and more compact in structure, the situation that multiple driving mechanisms need to be arranged in the prior art is avoided, and more energy is saved.

The application provides an antibacterial ceramic tile preparation method and antibacterial ceramic tile, and the method comprises the following steps: preparing ceramic powder, wherein the ceramic powder comprises the following components: high-sodium feldspar 9-16%, calcined talc 3-8%, corundum powder 5-12%, silicon powder 2-6%, boron oxide 2-6%, calcined clay 0-4%, and ceramic glaze powder 30-80%; applying a specific underglaze to form an underglaze base layer, wherein the specific underglaze is obtained by adding the ceramic powder into the underglaze; forming a pattern decoration layer on the surface of the underglaze base layer, applying dry particles to form a dry particle layer, drying the dry particle layer, applying a specific hot melt plastic sealing glaze, putting into a kiln to be fired, and obtaining the antibacterial ceramic tile, wherein the specific hot melt plastic sealing glaze is obtained by adding the ceramic powder into the hot melt plastic sealing glaze. According to the application, the ceramic powder capable of generating far infrared waves is added into the underglaze and the specific hot melt plastic sealing glaze, so that the stability and durability of the product performance are not affected even if the face glaze is abraded, and the stable and efficient antibacterial performance can be maintained.

The present application relates to the technical field of ceramics, and particularly relates to a sanitary ceramic glaze, a preparation method and application thereof. The sanitary ceramic glaze is made of the following chemical components with mass percentage: SiO2 58.6-63.6%, Al2O3 6-11%, CaO 10-15%, MgO 1-5%, Fe2O3 0.05-2%, TiO2 0.02-1.2%, K2O 11-16%, Na2O 0.9-5%, and the sum of the mass percentages of the chemical components is 100%. The sanitary ceramic glaze provided by the present application has high hardness, excellent easy-to-clean and antibacterial properties, an antibacterial rate of more than 99% and significantly improved durability, meets the market demand of high-end sanitary wares, and overcomes the defects of the existing sanitary ceramic glaze technology, such as insufficient surface smoothness, non-durable antibacterial performance, and mutual restriction of easy-to-clean and antibacterial properties.

The invention relates to the technical field of ceramic tiles, and particularly discloses ceramic glaze, a high-light high-transparency stably-fired ceramic tile and a preparation method thereof.The ceramic glaze is prepared from, by mass, 55%-60% of high-silicon high-zinc barium-containing frit, 30%-35% of boron-containing multi-element frit and 8%-12% of Suzhou clay; the high-silicon high-zinc barium-containing frit is prepared from the following chemical components in percentage by mass: 65 to 70 percent of SiO2, 12 to 16 percent of CaO, 4.83 to 5.83 percent of ZnO and the like. The boron-containing multi-element frit is prepared from the following chemical components in percentage by mass: 63 to 65 percent of SiO2, 15 to 20 percent of CaO, 5 to 8 percent of Al2O3, 2 to 5 percent of MgO, 0.2 to 1 percent of P2O5 and the like. The ceramic glaze provided by the invention combines three core technologies of double-frit synergistic-phase stable formula architecture, boron-zinc-barium synergistic glass phase structure innovation and high-temperature viscosity regulation and control, systematically solves the stubborn problems that the highlight glaze erodes ink, is easy to produce pinholes and holes, is sensitive to firing and the like, and realizes the core targets of highlight, high transparency and stable firing.

The invention discloses emerald green ceramic art glaze, and belongs to the technical field of ceramic glaze. The glaze is composed of quartz, feldspar, calcite, kaolin, zinc oxide, copper oxide, barium carbonate, bone ash, tin oxide and cobalt oxide according to a specific weight percentage, and the glaze is homogenized for one month; the glazing thickness is 0.8-1.2 mm, and drying until the water content is less than or equal to 1%; the sintering adopts three-stage atmosphere control of oxidation, strong reduction and neutral, the sintering is performed at 1280-1300 DEG C, the strong reduction atmosphere is kept for 30 minutes, and the neutral atmosphere is kept for 20 minutes. The glaze disclosed by the invention is emerald green, has jade-like mild glass luster, is novel and unique in color and luster, stable and controllable in process, short in firing period and suitable for industrial production, and can be widely applied to decoration of products such as art ceramics and domestic ceramics.

The invention belongs to the field of ceramic glaze, and particularly relates to a wear-resistant glazed brick with good color development and strong transparency and a preparation process thereof. The crystal nucleus induction layer is originally created to guide the crystal growth of the gradient wear-resistant glaze layer, so that the glaze layer has metalloid stress dispersion capacity, and the wear resistance is fundamentally improved. Besides, the gradient wear-resistant glaze layer adopts a layered design of high-transmittance glaze at the lower layer and nano-reinforced glaze at the upper layer, so that a refractive index gradient interface is formed while high hardness is provided, and the light scattering bottleneck of a homogeneous glaze layer is broken through. Through the collaborative structural design of the crystal nucleus induction layer and the gradient wear-resistant glaze layer for the first time, unification of wear resistance and optical performance is achieved, and the long-standing problems that light transmittance is reduced and color development is distorted due to high-hardness materials in the industry are solved.

The utility model discloses a domestic ceramic glazing device, and relates to the technical field of ceramic processing, the domestic ceramic glazing device comprises a glazing box body, four corners of the bottom end of the glazing box body are fixedly connected with support legs; a fixed seat is fixedly connected to the bottom end of the inner side of the glazing box body, a rotating plate is arranged at the top end of the fixed seat, placement seats are arranged at four corners of the rotating plate, and a partition plate is arranged on one side of each placement seat; a wind collecting plate and a glaze collecting plate are respectively arranged at two ends of the inner wall of the glazing box body. According to the utility model, the rotatable rotating plate is arranged on the inner side of the glazing box body, the top end of the glazing box body is provided with a plurality of placing seats for placing ceramics, and meanwhile, the partition plates are arranged, so that blocking can be effectively carried out during glaze spraying, and glaze is prevented from being splashed onto other ceramics during glaze spraying, so that the glaze spraying effect is effectively improved; and the drying assembly is arranged on the other side of the glaze spraying side, so that the glaze can be effectively and quickly dried to solidify the glaze surface while the glaze spraying work is carried out, and the glazing efficiency is effectively improved.

The present invention provides a secondary sintered microcrystalline ceramic glaze, a preparation method thereof, and a microcrystalline ceramic glaze brick. The method comprises: mixing ingredients according to a predetermined raw material formula and then ball milling to obtain a glaze powder; calcining the glaze powder to obtain a sintered material; mixing ingredients according to a predetermined microcrystalline ceramic glaze formula and grinding them into a glaze slurry, wherein the microcrystalline ceramic glaze formula includes the sintered material; applying the glaze slurry to a brick blank and then secondary calcining to obtain a microcrystalline ceramic glaze. The microcrystals in the microcrystalline ceramic glaze prepared by the present invention are formed during the first sintering and do not completely melt during the second sintering, eliminating the need for a melting followed by crystallization process. Therefore, the microcrystalline glaze is minimally affected by the kiln temperature, has a wide firing range, and is beneficial to production stability.

The application belongs to the technical field of building ceramics, and particularly discloses a heat-absorbing ceramic glaze, a preparation method thereof and a heat-absorbing ceramic tile. The raw material components of the heat-absorbing ceramic glaze include a base glaze and a heat-absorbing agent, wherein the heat-absorbing agent includes indium tin oxide and / or antimony tin oxide, and the base glaze contains Li2O and / or Na2O in the chemical composition. The heat-absorbing ceramic glaze fully plays the absorption effect of ITO and / or ATO on near-infrared light, and through the introduction of Li + and / or Na + with a small ionic radius into the base glaze, the replacement of Sn 4+ in the ITO and / or ATO particles by Si 4+ is accelerated, so that the carriers of ITO and / or ATO mainly exhibit the absorption of near-infrared light after high-temperature firing, so as to realize the heat-absorbing effect of the glaze. The heat-absorbing ceramic glaze greatly expands the application range of the heat-absorbing ceramic tile, and the heat-absorbing effect is more significant than that of only relying on the deep color of the tile body.

The application relates to the technical field of ceramic glazes, and particularly discloses a high-stain-resistant ceramic glaze as well as a preparation method and application thereof. The high-stain-resistant ceramic glaze comprises the following raw materials in parts by weight: 30-40 parts of potassium feldspar, 15-25 parts of quartz, 5-15 parts of talc, 7-13 parts of calcium carbonate, 12-18 parts of kaolin, 6-8 parts of a stain-resistant agent, 0.4-0.7 parts of a fluorosilane-based functional material and 0.3-0.5 parts of sodium hexametaphosphate. The stain-resistant agent is expanded kaolin loaded with nano-zinc oxide or expanded kaolin loaded with nano-zinc oxide-rare earth oxide. The application fills glaze layer pores with expanded kaolin loaded with nano-zinc oxide to block the penetration of dirt, and the nano-zinc oxide cooperates with the fluorosilane-based functional material to form a low-surface-energy hydrophobic coating on the glaze surface to reduce dirt adhesion. The kaolin guarantees the uniform dispersion of functional components, and the potassium feldspar and quartz basic components are combined to construct a dense and stable glaze layer, so that the high-stain-resistant performance of the glaze is finally achieved.

The utility model relates to the technical field of ceramic glazing, and provides a ceramic glazing device for official kilns, which is characterized in that an inner rotating seat is arranged on the inner side of a glazing barrel, and when a greenware is glazed at the bottom of a lower glazing barrel and ascends to the position of a side drying element of the glazing barrel through a clamping lifting mechanism, the glazed greenware can be dried. The cylinder can be started to enable the telescopic end of the cylinder to drive the bottom drying element to extend outwards to the side bottom of the greenware through the yoke plate, and meanwhile, the motor is started to drive the inner rotating seat to horizontally rotate on the inner side of the glazing barrel under the cooperation of the fluted disc and the tooth groove group; at the moment, the side drying elements and the extending bottom drying elements can rotate in the glazing barrel along with the inner rotating base and conduct uniform hot drying treatment on the side faces and the side bottom faces of the greenware, and compared with a comparison file, the problem that the drying efficiency is low due to the fact that the hot drying areas on the outer side of the greenware are not uniform can be effectively solved through the design.