259 results about "Ball clay" patented technology

The invention relates to a preparation method of a thin ceramic rock plate. A thin ceramic rock plate blank is composed of the following components in percentage by weight: 8-12% of ball clay; 17-20%of washed kaolin; 4-7% of high-whiteness kaolin; 18-20% of water-milled ultra-white potash stone powder; 38 to 40% of water milled albite; 4-5% of high-whiteness aluminum oxide powder; 0-2% of ultra-white zirconium silicate; 3.5%-7.5% of calcined talc; 1 to 1.5% of a dispergator; and 2-2.5% of a polymerization liquid. The preparation method of the thin ceramic rock plate comprises the following steps: preparing a green body, processing a blank, spray-drying to prepare powder, dry-pressing to form, brushing the green body to remove ash, printing ground coat on a roller, decorating patterns, decorating a pattern protective layer, firing, polishing and edging.

The invention relates to a fine-pottery sanitary ceramic body and a manufacturing method thereof and belongs to the technical field of ceramic products, which is used for reducing the deformation of a sanitary ceramic product and improving the quality of glaze. The fine-pottery sanitary ceramic body is characterized in that a body raw material comprises the following components in part by mass: 10 to 30 parts of ball clay, 30 to 60 parts of kaoline, 5 to 15 parts of porcelain clay, 5 to 15 parts of quartz and 5 to 15 parts of wollastonite, wherein the kaoline comprises 10 to 25 calcined kaoline. In the manufacturing method, the raw materials and the adding proportion of the fine-pottery body are preferably selected, the crystal phase content of mullite, quartz and the like is controlled, and the glass phase content and the high-temperature plastic deformation are reduced so as to fulfill the aim of reducing the deformation of fine-pottery sanitary ceramics; while reducing the hygroscopic expansion of the body, the manufacturing method improve thermal expansion coefficient of the body at the temperature of 200 DEG C to make the glaze bear high compressive stress, thereby improving the anti-cracking performance of products and ensuring enough long service life. Through the refinement of slurry granularity, the method remarkably reduces the occurrence of disadvantage of glaze pinholes, does not need to reduce the pinholes by using engobe, simplifies a production process, and improves the production efficiency and the qualification rate of the products.

The invention provides novel magnesian ceramic blank. The novel magnesian ceramic blank comprises, by weight percent, 60-70% of talcum, 20-25% of clay, 5-10% of feldspar, and 5-10% of alumina. The talcum is mixture of raw talcum and burnt talcum. The clay is mixture of kaolin, ball clay and bentonite. The invention further provides a preparation method of magnesian ceramic, and the magnesian ceramic prepared by the preparation method. The magnesian ceramic prepared by the magnesian ceramic blank, glaze and the preparation method is low in thermal expansion coefficient, and has improved thermal stability and formability. In addition, sintering range is wide, sintering temperature is low, and the risk of ceramic burst is lowered greatly.

The invention relates to a multiphase nitride combined silicon carbide ceramic foam filter and a preparation method thereof, and belongs to the technical field of refractory materials. The preparation method is realized in a way as follows: preparing slurry from silicon, silicon carbide, silicon dioxide, ball clay, admixtures and water; soaking the slurry by using soft polyurethane foam as the carrier to prepare a blank; and drying, and sintering at 1400-1500 DEG C in the nitrogen atmosphere to obtain the multiphase nitride combined silicon carbide ceramic foam filter. The ceramic foam filter of the invention has favorable high temperature stability in ferric and copper solutions, does not pollute alloys, has the open-cell rate of 80-90%, has favorable filtration and adsorption capacities on oxide inclusions and flux inclusions, and has the advantages of high filter capacity, favorable filtration and purifying effect, small hot melt and high thermal shock stability; the compression strength at normal temperature is not lower than 2.3 MPa; the ceramic foam filter can be cooled by water at 1100-20 DEG C for more than 23 times, and does not need preheating in use; and the highest service temperature is 1550 DEG C.

The invention relates to a thin porcelain brick and a production method thereof, wherein the production method comprises the following steps: 1. mixing blank raw materials comprising 4.5 to 5 percent of ball clay, 5 to 6 percent of black mud, 6 to 8 percent of Yichun kaolin, 6 to 10 percent of Beihai kaolin, 6 to 13 percent of Dehua pyrophyllite, 4 to 10 percent of Paishan pyrophyllite, 12 to 16 percent of sodium-potassium feldspar powder, 12 to 15 percent of weathered potassium feldspar, 8 to 15 percent of superfine pottery stone, 8 to 16 percent of sodium-potassium feldspar, 5.5 to 6 percent of Zhuji porcelain sand and 0.8 to 1.3 percent of lignin and lignin derivative; 2. adding water accounting for 50 to 60 percent of the weight of a powder material, 0 to 0.1 percent of polymethyl cellulose sodium (CMC) and 0.1 to 1 percent of sodium tripolyphosphate (STPP), putting into a ball mill, and controlling the ball milling fineness to have 0.5 to 1 percent of sieve residue through a 325-mesh sieve; 3. preparing the powder material containing 5 to 7 percent of water through iron removal, sieving and spray drying of the obtained mud; 4. ageing the powder material for 24 hours, then molding through pressing, and drying at the temperature of 150 to 200 DEG C to enable the water content of a blank to be below 0.3 percent; and 5. placing into a kiln for sintering, wherein the early period time of sintering is 6 to 15 minutes, the high temperature time is 15 to 30 minutes ,and the cooling time is 5 to 10 minutes. In the invention, the thin porcelain brick can be produced under the condition of traditional process equipment, and each item of performance index reaches or exceeds a porcelain brick standard GB/T4100-2006.

This invention relates to a ultrawhite polishing brick. According to weight shares the raw materials includes: calcined alumina 5 to 10 shares, burning talcum 10 to 40, ultrawhite ball clay 18 to 25, water washing kaolin 5 to 12, low temperature feldspar 13 to 25, middle and high temperature porcelain sand 10 to 18 shares. The process includes: ball milling, spraying and corning, shaping by quenching, adobe drying and kiln burning. This invention has high whiteness, good thermostability, and avoid zirconium silicate radioactive problem.

The invention discloses a pure white polished tile and a production method thereof. The chemical components of raw material components of the tile comprise, by mass, 65-74% of SiO2, 16-21% of Al2O3, 5-8% of alkali metal oxide and/or alkali earth oxide, 0.25% or less of Fe2O3 and 0.1% or less of TiO2, and has an ignition loss of 3-5%. In the invention, desiliconized aluminum powder is fully used to substitute previous zirconium silicate and other zirconium-containing materials, and the polished brick is directly whitened by the selected raw material without adding the zirconium-containing materials, so the whiteness of the polished tile is greatly improved through the desiliconized aluminum powder, whiteness technology requirements are met, and the radioactivity standard exceeding problem of present polished tiles is solved; and high-viscosity bentonite is introduced to substitute parts of ball clay/clay (called mud for short) to increase the whiteness, and the whiteness of the produced polished tile is 60-62 DEG and is suitable for market demands in the ceramic industry. The production method has the advantages of simplicity in operation, easily available raw materials, low cost, strong technology controllability, and realization of production of the 60 DEG pure white polished tile.

The invention relates to a blank body of fine porcelain ceramic, a preparation method and an application thereof. The raw materials of the blank body comprise the following components in the percentage by weight: 30-50% of calcined kaolin with high aluminum, low contraction and low thermal expansion, 10-20% of porcelain waste powder, 10-20% of quartz sand and 20-40% of ball clay. The invention also further discloses fine porcelain ceramic and a preparation method thereof. The fine porcelain ceramic can be used for casting a product with the size greater than 1,000 mm, and the product is flat, straight and regular and is not easy to deform.

The embodiment of the invention provides a method for preparing a travertine ceramic tile with three-dimensional holes formed in part of the travertine ceramic tile. The method includes the steps of preparing a hole forming material, preparing a surface material, preparing a backing material, preparing a glaze material, distributing the material, performing drying, applying the glaze and performing firing forming. The prepared hole forming material comprises, by mass, 5% to 10 % of ball clay, 10% to 20% of low-temperature frit powder, 10% to 20% of graphite powder, 10% to 15% of sodium carbonate, 20 percent to 30 percent of calcium carbonate powder and 5% to 10% of polishing waste residue. Powder material is formed through polishing, spraying and drying. When the surface material is prepared, the hole forming material is added into a conventional surface material according to the ratio of 15% to 25% as foaming material. According to the method for preparing the travertine ceramic tile with three-dimensional holes formed in part of the travertine ceramic tile, the prepared artificial travertine ceramic tile solves the problems that holes of an existing artificial holeless travertine ceramic tile are too flat, rigid and unnatural, and the abrasion resistance, the dryness and humidity, the coldness and heat of the whole surface of the ceramic tile are not uniform, and the service life of the holeless travertine ceramic tile is greatly prolonged; because the surface of the ceramic tile is provided with certain holes or gullies, the water absorbing and anti-skid performance can be achieved, the ceramic tile can have a very good anti-skid effect in the plum rain season, and the ceramic tile has very good application prospects in wide areas of the south.

The invention relates to a ceramic tile of artificially natural stone. The weight percentages of main materials are as follows: 10-15 percent of low-temperature porcelain stone powder, 10-20 percent of medium-temperature porcelain sand soil, 9-18 percent of high-temperature porcelain sand, 10-15 percent of washed black mud, 10-15 percent of sodium stone powder, 5-10 percent of high-alumina porcelain sand, 10-20 percent of sodium porcelain sand, 5-18 percent of ball clay, 0.5-1 percent of decondensation agent and 0.5-1.5 percent of pigment; the preparation method includes the following: proportioning, ball milling, slurry color washing, spraying and drying, material mixing of each pigment by proportion, one-time prilling, suppressing with a compressor, adobe drying, curlicue seeping, sintering and polishing; the preparation method also includes the following steps: (1) second enwrapped prilling is carried out with an enwrapping granulator after the one-time prilling; (2) second lamellar prilling is carried out with a lamellar granulator after the second enwrapped prilling. The ceramic tile of artificially natural stone adopts a secondary granulation process to cause density of green body to be improved by 60 percent; the ceramic tile of artificially natural stone is well antifouling and anti-aging and is easy to be cleaned and maintained, as well as corrosion resistant.

The invention provides a ball clay as raw materials of superwhite polished tile and method for preparation, wherein the ball clay is made from porcelain clay, secondary clay, water, thinning agent and flocculating agent. The preparation comprises which comprises the steps of grout melting, removing sand, sieving, flocculating and filter-pressing..

The invention discloses a subdued light glaze for a thin ceramic plate. The subdued light glaze comprises a surface glaze and a ground glaze, wherein the surface glaze comprises the following effective constitution components in percentage by weight: 18-22% of high-temperature matte frit, 8-12% of Qidao clay, 14-18% of calcite, 19-23% of albite, 9-12% of calcined talc, 5-9% of zirconium silicate,3-6% of zinc oxide and 9-12% of barium carbonate; and the ground glaze comprises the following effective constitution components in percentage by weight: 22-26% of quartz sand, 8-11% of Qidao clay, 5-8% of ball clay, 7-11% of calcined talc, 13-16% of albite, 10-14% of nepheline powder, 8-12% of zirconium silicate and 11-15% of calcined kaolin. The sintering temperature of the subdued light glaze for the thin ceramic plate is 1180-1200 DEG C, the sintering cycle is 60-65 minutes, and the heat preservation time is 15 minutes. The subdued light glaze has relatively gentle glossiness, the glossiness of the subdued light glaze is generally within 30-60 degrees, and the glossiness relatively well meets a comfortable human view range. Due to the subdued light glaze disclosed by the invention on the thin ceramic plate blank, the surface of the thin ceramic plate blank can be smooth and fine, very gentle and free of light pollution, and a very good decoration effect is achieved.

The invention belongs to the technical field of material preparation, and provides a hollow fiber ceramic membrane with high filtering flux and a preparation method thereof. The hollow fiber ceramic membrane comprises the following components in parts by weight: 40-80 parts of powdery aluminum hydrate, 10-20 parts of powdery soft refractory ball clay, 1-10 parts of powdery albite, 1-10 parts of powdery dolomite, 6-10 parts of powdery borosilicate glass powder, 1-7 parts of carboxymethyl cellulose and 1-3 parts of glycerin, and is prepared through burdening, ball milling, mud squeezing and dehydration, vacuum pressing, extrusion molding and sintering. Preferably, the outer diameter of the hollow fiber ceramic membrane with high filtering flux is 3-6 millimeters, the inner diameter is 1-2 millimeters, and the length is 100-1,000 millimeters; and the porosity factor is 50-56 percent, the pure water flux is 10,000-12,500 L/m<2>.h.Mpa, and the bending strength is 35-85 MPa, which are 3-5 times that of an ordinary hollow fiber ceramic membrane.

The invention discloses a composition for a high-strength and high-toughness rock plate blank and application of the composition. The composition comprises feldspar powder, high-alumina clay, calcined talc, pyrophyllite, potassium-sodium feldspar, high-sodium feldspar, ball clay, kaolin, diopside, high-alumina clay, ceramic waste and white carbon black. The white carbon black with the characteristics of serious surface coordination insufficiency, large specific surface area, surface oxygen deficiency and the like is used in the composition for the high-strength and high-toughness rock plate blank, so that the binding force between materials is improved, and the strength, toughness, ductility and tear resistance of the blank material are greatly improved. The rock plate blank body prepared by the method has relatively high breaking strength, relatively high toughness and relatively high stress resistance, and the situation of cutting cracks of the prepared rock plate is greatly reduced.

The invention relates to a preparation method of ball clay for high-grade sanitary appliance, which is characterized in that blackmud, plaster and kaolin are used as raw materials for preparing ball clay used by the high-grade sanitary appliance; the size comprises according to the percentage by volume: 10-60% of blackmud, 10-20% of plaster and 20-80% of kaolin; the preparation method overcomes the defect which is brought about by changeable raw material components caused by organic impurity and sand contents of low-grade ball clay; the formed ball clay has stable whiteness, intensity and stickiness and good slip-casting mobility, can be widely applied to high-grade ceramic industries and is the vanguard and demonstration in the process of national ceramic raw material standardizing, and has obvious economic benefic and social benefit.

The invention relates to a high efficiency ceramic blank casting slip. The ceramic blank casting slip comprises the following raw materials, by weight, 8-9 parts of Zhangcun soil, 6-7 parts of Zhangwu clay, 8-9 parts of Tangshan knag, 9-10 parts of Shanxi knag, 13-14 parts of Qinyang soil, 2-3.5 parts of Guangdong ball clay, 0.7-1.3 parts of Guangdong black mud, 1.4-1.7 parts of dolomite, 5-6 parts of Weichang clay, 9-10 parts of Fengrun sandstone, 14-15 parts of Luanxian feldspar, 3-4 parts of porcelain powder, 1-2.5 parts of Zhanjiang porcelain clay B, 7-8.5 parts of Xuanhua porcelain stone, 3-4 parts of northeast black mud, and 1.5-3 parts of Zhanjiang porcelain clay A, wherein dolomite in the raw materials is ground into a dolomite slurry, and the dolomite slurry and other raw materials, which are mixed, are ground in a ball mill according to a raw materials: balls: water ratio of 1:1.8:0.4. The raw materials of the casting slip are easy to obtain, a large ceramic product is subjected to slip casting twice each day, the slip suction speed is fast, the ceramic product production efficiency is improved, and the output is increased, so the ceramic blank casting slip is suitable for the large scale production.

The invention discloses a low-temperature preparation method for lightweight heat-insulation ceramics. Raw materials used in the preparation method comprise construction waste, ceramic polishing slag,fly ash, talc, feldspar, ball clay, diatomite and a foaming agent, wherein the amount of the solid waste is 60% or more. Pre-treated construction waste and other raw materials are subjected to ball milling mixing, and then subject to granulation, compaction molding, drying and low temperature sintering (700-1200 DEG C) to prepare the environmentally friendly lightweight heat-insulation ceramics.The method is simple in process, low in production cost and suitable for industrialized production. The prepared lightweight heat-insulation ceramics have the advantages of low density, controllable pore size, low heat conductivity, excellent mechanical properties and the like, and can be widely applied in heat preservation and heat insulation in the fields of architecture, chemical industry and the like. While achieving low temperature sintering, energy saving and emission reduction, the method can promote high-efficiency resource utilization of the solid waste, and is of great significance to the ecological environment.

The invention relates to a production method of a high-strength magnesium Longquan celadon billet, glaze and product and a preparation method of slurry in the production method. The high-strength billet for the high-strength magnesium Longquan celadon product is prepared from a component A and a component B. The component A is composed of the following ingredients in percentage by weight: 20-35% of cured talcum, 43-52% of quartz powder, 4-15% of ball clay, 5-18% of kaolin and 1-5% of zirconium silicate. The component B is composed of the following ingredients in percentage by weight: 35-55% of Baoxi porcelain clay, 13-27% of Huangshixuan and 25-45% of Badu porcelain clay. On the basis of ensuring the aesthetical effect on the traditional Longquan celadon, the strength of the Longquan celadon product is improved.

The invention discloses a stripping glaze, a stripping-glaze marble ceramic tile without glaze defects and a preparation process of the marble ceramic tile. The stripping glaze comprises the followingraw materials in percentage by mass: 18-22% of potassium feldspar, 4-6% of water washed ball clay, 25-30% of quartz, 25-30% of wollastonite, 5-8% of limestone, 5-8% of zinc oxide and 10-12% of corundum powder. According to the stripping glaze used for preparing the stripping-glaze marble tile provided by the invention, the high-temperature viscosity of the stripping glaze in a high-temperature molten state is improved, and therefore the stripping-glaze marble tile without the glaze defects and of which glaze stripping effects are more vivid and natural is obtained by adopting a glaze sprayingmode.

The invention discloses a tundish ultralow-silicon magnesium coating which comprises the following raw materials in parts by weight: 250-300 parts of 95 magnesite, 500-700 parts of 97 magnesite, 20-40 parts of clay, 10-30 parts of bentonite, 20-40 parts of alpha-Al2O3, 10-20 parts of paper fiber, 1-2 parts of lignin, 0-3 parts of sodium tripolyphosphate, 0.1-0.5 part of metallic aluminum, 0.01-0.15 part of sodium dodecyl sulfate and 0.5-2 parts of polyvinyl alcohol. The tundish ultralow-silicon magnesium coating disclosed by the invention can achieve good plasticity (spreading property) when a small quantity of gel materials are added by using the polyvinyl alcohol as a film-forming agent and can achieve good construction property by substituting superfine nanoscale high-viscosity ball clays for silicon micropowder, Guangxi mud and kaolin which are contained in the traditional coating and being matched with the film-forming agent PVA (Polyvinyl Alcohol). As for the same coating spreading property, the tundish ultralow-silicon magnesium coating disclosed by the invention only needs to add the superfine nanoscale high-viscosity ball clay (2%), and the traditional magnesium coating needs to add the silicon micropowder (4%-6%) and ordinary clay (1%-2%), so that the problem of carrying of free SiO2 contained in the silicon micropowder is solved.

Environment-friendly cordierite-mullite kiln furniture is prepared from the following raw materials in parts by weight: 25 to 35 parts of waste ceramics, 12 to 22 parts of cordierite-mullite clinker,30 to 45 parts of washing ball clay, 10 to 15 parts of andalusite, 8 to 13 parts of talcum powder, 5 to 15 parts of kyanite, 5 to 12 parts of industrial-alpha-alumina powder. According to the environment-friendly cordierite-mullite kiln furniture disclosed by the invention, a solid matter of a composite material of the environment-friendly cordierite-mullite kiln furniture is prepared by taking the waste ceramics, the cordierite-mullite clinker and the andalusite as aggregates and introducing the washing ball clay, the talcum powder, the kyanite and the industrial-alpha-alumina powder as matrix materials, so that the utilization rate of the waste ceramics is up to 25 to 35 percent, waste of resources is reduced, and the production cost of kiln furniture materials is also reduced; a prepared environment-friendly cordierite-mullite kiln furniture product has the advantages of low density, light weight, high bending strength under a normal temperature, high apparent porosity, good thermalshock stability and good energy-saving performance.

The invention discloses a broadband infrared ceramic material with an anti-aging function at normal temperature and a preparation method thereof. The preparation method is characterized by comprising the following steps of: crushing non-metallic minerals taking magnesium-rich silicate ore, spodumene and Guibao stone as main components, composite rare earth oxides taking praseodymium and neodymiumoxides as main components and reduced alloy iron powder; mixing the crushed powder with auxiliary materials for pulping; spraying and granulating; pressing; and sintering to obtain the broadband infrared ceramic material. The raw materials include the following components in percentage by weight: 8-60% of magnesium-rich silicate ore, 2-10% of spodumene, 5-15% of Guibao stone, 2-10% of reduced alloy iron powder and 2-8% of praseodymium and neodymium oxides; and the auxiliary materials include the following components in percentage by weight: 10-46% of ball clay and 1-8% of bonding agent. The broadband infrared ceramic material can continuously release infrared light beneficial to the human health at the normal temperature lower than 45 DEG C so as to generate a non-thermal biological resonance effect, thereby effectively improving the energy required by cell self-replication and an information transfer mechanism, enhancing activity functions such as organism metabolism and immunity andthe like, improving the disease resistance of human bodies, achieving the purposes of preventing and treating diseases and resisting ageing, and saving energy sources.