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15 results about "China stone" patented technology

China stone is a medium grained, feldspar-rich partially kaolinised granite characterized by the absence of iron-bearing minerals. It is mainly used for making porcelain, hence the name, and coatings for paper.

Double-layer fancy glaze with chapped ground texture and preparation method of double-layer fancy glaze

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.
Owner:JINGDEZHEN CERAMIC UNIV

Xinjiang porcelain glaze and porcelain preparation method

PendingCN121270097ACeramic materials productionGlaze defectsChina stone
The invention discloses a Xinjiang porcelain glaze and a porcelain preparation method, and relates to the technical field of ceramic materials, the porcelain glaze takes 70%-80% of Xinjiang local Sanjianlake porcelain stone as a main body, and calcite (9%-15%) and white feldspar (6%-8%) are cooperatively blended. The preparation method comprises the steps of basic glaze preparation, glaze slip ball milling, glazing and five-stage firing. The firing system comprises the following steps in sequence: oxidizing and dehumidifying at 0-500 DEG C, oxidizing and decomposing at 500-1000 DEG C, reducing and coloring at 1000-1300 DEG C, preserving heat at 1300 DEG C and cooling along with a kiln. Through unique raw material ratio and accurate firing control, iron and titanium elements in Xinjiang minerals are successfully utilized, the porcelain with bright and smooth glaze and Xinjiang characteristics is stably fired, the problem of glaze defects caused by the fact that a traditional process is not matched with Xinjiang raw materials is solved, the yield is high, and the production cost is low. And a reliable technical path is provided for realizing high-valued industrial development of Xinjiang ceramic resources.
Owner:XINJIANG XINCI RUIYUN HONGYI CERAMICS CO LTD

Net hanging device for improving adhesive force of chinastone coating wall surface

The utility model discloses a net hanging device for improving the adhesive force of a chinastone coating wall surface, which comprises a plurality of net hanging grids, every four net hanging grids form a square net hanging unit, an adhesion reinforcing bulge is arranged in the middle of each net hanging unit, the net hanging device is formed by a plurality of net hanging units, bolt holes are arranged at four corners of the net hanging device, and the net hanging device is connected with the square net hanging unit. The net hanging device is fixedly connected with a building wall through the bolt holes, and the net hanging device and the chinastone coating are bonded into a whole through the net hanging grid and the attachment reinforcing protrusions to form a complete decoration face. When the hanging net device is used, the hanging net units are combined into the hanging net device according to requirements, the hanging net device is fixedly connected with a building wall through the bolt holes, then the hanging net device and the chinastone coating are bonded into a whole through the hanging net grids and the attachment reinforcing protrusions to form a complete decoration face, and finally polishing and brushing of an antioxidant are conducted according to requirements. According to the utility model, the adhesive force between the chinastone coating and the base layer is increased.
Owner:DECORATION ENG CO LTD GUIZHOU CONSTR ENG GRP

Ceramic slurry preparation method

PendingCN120965271AClaywaresKaolin clayChina stone
The invention relates to a preparation method of ceramic slurry, which is characterized in that the ceramic slurry comprises the following raw materials: 12-14 parts of silica sand powder; 7-9 parts of chinastone powder; 4-7 parts of kaolin powder; 30 to 34 parts of plastic clay powder; 31 to 35 parts of calcined coal gangue powder; 0.12 to 0.25 part of sodium tripolyphosphate; 0.2 to 0.5 part of sodium silicate; 14 to 18 parts of feldspar powder; 4-5 parts of zirconium dioxide; 18 to 32 parts of water; the silica sand powder, the chinastone powder, the kaolin, the plastic clay powder, the calcined coal gangue powder, the zirconium dioxide and the water are mixed with the mixed powder obtained in the first step according to the weight. According to the invention, the homogeneity of the green body material can be improved, so that the firing quality of the green body is improved.
Owner:GUANGDONG JINQIANGYI CERAMICS IND CO LTD

Method for making porcelain-based cabinets for household applications

PCT designated stageWO2026133344A1Kitchen cabinetsCarbon footprintDeforestation
The present invention provides a method for constructing kitchen cabinets using exclusively porcelain stone, eliminating the need for wood or any wooden components. This innovative approach offers significant health, environmental, and structural advantages. The porcelain material is 100% termite-proof, formaldehyde-free, and resistant to bacteria and fungi, ensuring a healthier and safer living environment. Environmentally, it eliminates deforestation and reduces the carbon footprint by avoiding harmful mining practices. Structurally, porcelain provides superior strength, fire resistance, and long-lasting durability, with a lifespan exceeding 25 years. This invention offers a sustainable, hygienic, and durable alternative to traditional kitchen materials, promoting a safer and more reliable solution for modern kitchen designs.
Owner:JAIN MEGHA

Enameling process and hemodialysis water thermal disinfection device using same

The invention provides an enamel process and a hemodialysis water heat disinfection device applying the enamel process. The enamel process comprises the following steps: step S101, cleaning the inner wall of a disinfection pipe; s102, the inner wall of the disinfection pipe is coated with primer; s103, the inner wall of the metal pipe is coated with a ceramic coating, wherein the ceramic coating comprises glass powder, quartz, chinastone and pigment; s104, a finished product is obtained through sintering and wound with a coil, a controller introduces alternating current to the coil, a magnetic field is generated at the position of the coil, water is introduced into the disinfection pipe, the magnetic conductive object is placed in the disinfection pipe to cut alternating magnetic lines of force, and therefore alternating current (namely eddy current) is generated in the object, atoms in the object move irregularly at a high speed through the eddy current, and the magnetic conductive object is formed. And the atoms collide and rub with each other to generate heat energy, so that the effect of heating objects is achieved. According to the heating mode, electric energy is converted into magnetic energy, and a heated steel body induces the magnetic energy to generate heat. And heat disinfection can be effectively carried out on water in the disinfection pipe.
Owner:SHENZHEN PUDACUO MEDICAL TECH CO LTD

Novel thermal shock resistant ceramic and preparation method thereof

The invention discloses a novel thermal shock resistant ceramic and a preparation method thereof, the thermal shock resistant ceramic comprises the following main components: mixed water, a mud blank, glaze slip, a binder, a catalyst and a modifier, the mud blank is composed of bauxite, silicon nitride, silicon carbide, kaolin, chinastone, quartz sand and feldspar, the glaze slip is composed of silicon oxide, aluminum oxide, calcium oxide, potassium oxide and sodium oxide, the binder is composed of cellulose, resin and epoxy resin, and the catalyst is composed of aluminum oxide, zirconium oxide and silicon dioxide. The silicon nitride and the silicon carbide are added into the anti-hair loss lotion, so that the thermal shock resistance of the thermal shock resistance ceramic can be greatly improved, the internal material performance of the ceramic material can be improved, the bonding of the ceramic material is promoted, and meanwhile, the overall strength of the ceramic material can be effectively improved due to high bonding strength of the cellulose, the resin and the epoxy resin; and a scientific beneficial substance ratio is formed, so that the coating is more suitable for being used in a high-temperature environment.
Owner:YIXING YIAN CERAMICS CO LTD

Green body for eliminating sintering blisters from high-pressure formed ceramic, and preparation method therefor

PCT designated stageWO2025260929A1Ceramic materials productionClaywaresCeramic sinteringSlip (ceramics)
The present application relates to the technical field of the production of sanitary ceramics, and in particular relates to a green body for eliminating sintering blisters from a high-pressure formed ceramic, and a preparation method therefor. On the basis of the mass percentage of raw materials, the green body comprises: 20%-25% of kaolin, 1%-3% of quartz, 5%-8% of ball clay, 17%-27% of high-alumina porcelain stone, 3%-8% of waste porcelain, 3%-10% of low-glaze recycled mud, 0%-5% of raw porcelain clay, 10%-15% of water-washed porcelain clay, 10%-21% of spodumene tailings and / or microcline, and 2%-5% of wollastonite. The green body is obtained by means of high-pressure slip casting, drying and sintering. In the present application, the formation and blocking mechanisms of sintering blisters are precisely determined, thereby effectively controlling the defect of sintering blisters in high-pressure formed sanitary ceramic products. In addition, a large number of industrial solid waste raw materials such as waste porcelain, waste mud and spodumene tailings are used in the formula of the green body of the present application, which helps to reduce the accumulation of industrial solid waste, reduce environmental pressure and promote the sustainable development of the sanitary ceramics industry.
Owner:HUIDA SANITARY WARE

Net hanging device for improving adhesive force of chinastone coating wall surface and construction method

The invention discloses a net hanging device for improving the adhesive force of a chinastone coating wall and a construction method.The device comprises a plurality of net hanging grids, every four net hanging grids form a square net hanging unit, an adhesion reinforcing protrusion is arranged in the middle of each net hanging unit, and the net hanging device is composed of the multiple net hanging units; bolt holes are formed in the four corners of the net hanging device, the net hanging device is fixedly connected with a building wall through the bolt holes, and the net hanging device and the chinastone coating are bonded into a whole through the net hanging grid and the attachment reinforcing protrusions to form a complete decoration face. The construction method comprises the steps that the multiple net hanging units are combined into the net hanging device according to requirements, the net hanging device is fixedly connected with a building wall through the bolt holes, then the net hanging device and the chinastone coating are bonded into a whole through the net hanging grids and the attachment reinforcing protrusions to form a complete decoration face, and finally polishing and anti-oxidant brushing are conducted according to requirements. The adhesive force of the chinastone coating and a base layer is increased.
Owner:DECORATION ENG CO LTD GUIZHOU CONSTR ENG GRP

High-wear-resistance automobile ceramic air valve material and preparation method thereof

The invention discloses a high-wear-resistance automobile ceramic air valve material and a preparation method thereof, the high-wear-resistance automobile ceramic air valve material comprises the following main components: a mud blank, glaze slip, a binder, a catalyst and a modifier, the mud blank is composed of kaolin, clay, limestone and feldspar, and the glaze slip is composed of chinastone, quartz and talc. By adding silicon nitride and silicon carbide into the high-wear-resistance ceramic air valve material for the automobile, the structural strength of the high-wear-resistance air valve can be greatly improved, the surface material performance of a ceramic material can be improved, bonding of the ceramic material is promoted, and the influence of external friction loss on the ceramic material is reduced; meanwhile, the material performance matching range of the carbon fibers, the nanofibers, the resin fibers, the glass fibers, the epoxy resin, the polyurethane resin and the acrylic resin is wide, the overall strength of the ceramic material can be effectively improved, the use requirements of different environments are met, the application range of the ceramic air valve is greatly widened, and the ceramic air valve is more suitable for being used in the automobile driving environment.
Owner:YIXING GUANGMING SPECIAL PORCELAIN PARTS CO LTD

A green body for eliminating high pressure forming ceramic sintering bulge and preparation method thereof

The present invention relates to the technical field of sanitary ceramic production, and in particular to a green body and a preparation method thereof for eliminating sintering bulges of high-pressure formed ceramics. According to the percentage by mass of raw materials, the green body includes: 17%-25% kaolin, 0%-5% quartz, 5%-10% ball clay, 17%-27% high-aluminum porcelain stone, 0%-15% waste porcelain, 0%-15% low-glaze recycled mud, 0%-10% raw ore porcelain clay, 5%-20% washed porcelain clay, 10%-21% spodumene tailings and / or microcline, and 0%-7% wollastonite. The present invention accurately defines the formation and blocking mechanism of sintering bulges, and effectively controls the sintering bulge defects of high-pressure formed sanitary ceramic products; in addition, a large amount of industrial solid waste raw materials such as waste porcelain, waste mud, and spodumene tailings are also used in the green body formula of the present invention, which helps to reduce the accumulation of industrial solid waste, reduce environmental pressure, and promote the sustainable development of the sanitary ceramic industry.
Owner:HUIDA SANITARY WARE

Preparation process of double-layer heat-insulating ceramic cup based on 3D printing

ActiveCN116968143B3d printInsulation layer
This invention provides a manufacturing process for a double-layered insulated ceramic cup based on 3D printing. The manufacturing process includes the following steps: grinding, drying, and mixing titanium dioxide and potassium carbonate; preparing a modifier through high-temperature reaction; adding the modifier to modify porcelain stone, kaolin, and clay; adding yttrium oxide and calcium oxide and ball milling and mixing; modeling and 3D printing a double-layered ceramic green body; and sintering the double-layered ceramic green body. This invention uses kaolin, clay, porcelain stone, and porcelain clay as raw materials, and utilizes a 3D clay printer to print the inner and outer layers of the ceramic cup, with the middle layer being a vacuum insulation layer. This effectively prevents heat transfer, achieving heat insulation and anti-scalding effects, thereby improving the practicality of the ceramic cup. Furthermore, the 3D printing process for producing double-layered ceramic cups is simple and reduces the complexity of the molding process.
Owner:YIXING SHUTAO TECH CO LTD

Anti-slip glaze, glazed ceramic product and preparation method thereof

The present invention relates to the technical field of ceramic products, and specifically to an anti-slip glaze, a glazed ceramic product and a preparation method thereof, comprising the following raw materials by weight: 25-35 parts of potassium feldspar, 25-30 parts of sodium feldspar, 10-15 parts of lanthanum-doped air knife soil modifier, 5-8 parts of nano zinc oxide, 4-7 parts of calcite, and 4-6 parts of zirconium silicate synergist. The ceramic product of the present invention is obtained by pressing and molding a green body through wet ball milling of bentonite, talcum powder, porcelain stone and boron nitride, and the raw materials in the green body are mutually blended and coordinated, and then the anti-slip glaze is applied and the ceramic product obtained by sintering has excellent antibacterial performance, and the anti-slip, antibacterial and wear resistance of the product are coordinated and balanced, and the product has remarkable water resistance and scrub resistance stability.
Owner:FUJIAN DEHUA TANGSHUO CERAMICS CO LTD

High-strength domestic ceramic based on composite raw materials and low-temperature preparation process thereof

InactiveCN120794597ACeramic materials productionChina stoneGreen body
The invention relates to a high-strength domestic ceramic based on a composite raw material and a low-temperature preparation process thereof, and belongs to the field of domestic ceramics. Aiming at the problems of insufficient strength, high cost, complex process and the like of the traditional domestic ceramic, the domestic ceramic is prepared by adopting composite raw materials such as Hunan feldspar, Longyan chinastone and the like, controlling the content of specific components and carrying out processes such as two-time wet ball milling, dehydration pugging, green body glazing and low-temperature firing. The ceramic has the advantages of high strength, stable thermal performance, simplified preparation process and low energy consumption, can reduce the damage in the production and use process, reduces the cost, is suitable for various daily use scenes, and improves the market competitiveness of the product.
Owner:JINGDEZHEN MINGHAN CERAMICS CO LTD

Vibrating screen for crushing and screening chinastone

The utility model provides a vibrating screen for crushing and screening chinastone, relates to the technical field of chinastone processing, and solves the problems that the screening effect and the screening efficiency are low due to the fact that only manual simple size comparison is adopted for screening after chinastone crushing in the prior art. The screening device comprises a screening box, and a first screening plate and a second screening plate are arranged in the screening box. The vibrating assembly is used for driving the first screening plate and the second screening plate to vibrate, the auxiliary mechanism is arranged at the top of the screening box and used for assisting screening, the dust suction assembly is arranged on the left side of the screening box and used for sucking redundant dispersed dust in the screening box, and a dust collecting box is arranged below the dust suction assembly; and a third outlet is formed in the bottom of the screening box. The chinastone screening device has the advantages that crushed chinastone can be screened and selected, screening is more thorough, and the screening effect and efficiency are higher; and dust generated during screening can be sucked, and the influence of dust flying on screening is avoided.
Owner:LONGYAN KAOLIN CLAY