2508results about "Claywares" patented technology

The invention discloses a method of preparing aluminum oxide-silicon carbide compound porous ceramic by aluminum-silicon industrial waste residues. The primary raw materials comprise industrial waste residues, carbon powder, a pore forming substance and an adhesive. The aluminum oxide-silicon carbide compound porous ceramic is prepared by the following steps of mixing, drying, forming and sintering to obtain a final product. Treatment and high additional value utilization of the industrial waste residues are achieved. The prepared porous ceramic is remarkable in performance, and can be applied to the fields of filtration, sound isolation, heat isolation, fire fighting and the like. The method is simple in process flow and convenient for industrialized promotion; and the cost is good to control and the method has extreme economical value.

The invention discloses a carbon composite ceramic linear resistor and a preparation method thereof, and belongs to the technical field of power electronic components. The invention provides a preparation method of a carbon composite ceramic linear resistor, which comprises the following steps: uniformly mixing bentonite, silicon carbide and nano carbon black to obtain powder, uniformly mixing the powder and ethanol, drying, adding a binder solution, and carrying out green body forming to obtain a green body; carrying out heat preservation on the green body at 1150-1300 DEG C in a nitrogen-containing gas atmosphere to obtain a sample; and polishing the sample, and spraying aluminum to obtain the carbon composite ceramic linear resistor. According to the method for preparing the carbon composite ceramic linear resistor, the resistivity of the material can be reduced, and the thermal shock resistance of the ceramic resistor can be improved.

The invention provides antibacterial ceramic and a preparation method thereof. The antibacterial ceramic comprises a blank body and a glaze layer, the blank body is prepared from the following raw materials: kaolin, diatomite, montmorillonite, soapstone, bamboo charcoal powder, a first antibacterial agent, a fluxing agent, a pore forming agent, an adhesive and a reinforcing agent; the glaze layer comprises the following raw materials: kaolin, diatomite, dolomite, tourmaline, sodium oxide, a second antibacterial agent, a binder, a stabilizer and a dispersant. The method comprises the following steps: firing a molded green body by adopting stepped segmented heating, and carrying out glaze firing by adopting stepped segmented heating after glazing, thereby obtaining the antibacterial ceramic. According to the antibacterial ceramic disclosed by the invention, the antibacterial agent is added into the green body and the glaze layer, so that the influence on the antibacterial property of the green body in the firing process of the green body is avoided, the antibacterial durability is further improved, the antibacterial effect is enhanced, and the antibacterial rate on pathogenic bacteria such as escherichia coli and staphylococcus aureus reaches 99.99%.

The invention relates to the technical field of ceramics, in particular to anti-fouling ceramic glaze water, anti-fouling ceramic and a preparation method of the anti-fouling ceramic glaze water, and the anti-fouling ceramic glaze water comprises the following raw materials in parts by weight: 10-15 parts of quartz, 5-10 parts of calcite, 5-8 parts of a silicon nitride-doped adhesion increasing agent, 4-7 parts of zinc oxide, 4-7 parts of spodumene and 4-7 parts of a modification regulator. According to the anti-fouling ceramic, the calcined talc, the potassium feldspar, the kaolin, the mullite and the water are subjected to blending and ball milling treatment, wet ball milling improvement is performed, the raw materials are blended and coordinated, a ceramic body is prepared through shaping treatment, meanwhile, anti-fouling ceramic glaze water is adopted for glazing, the silicon nitride-doped connecting agent and the modification regulator are added, and the silicon nitride-doped connecting agent and the modification regulator are matched and have a synergistic effect, so that the anti-fouling ceramic is prepared. The mechanical strength, the pollution resistance and the wear resistance of the obtained product are improved in a balanced manner, and meanwhile, the freezing resistance and the corrosion-resistant stability effect of the product are remarkable.

The invention relates to the technical field of inorganic nonmetal ceramic materials, in particular to a ceramic tile and a preparation method thereof. The ceramic tile comprises the following raw materials: 40-50 parts of waste residues, 1-5 parts of barium carbonate, 5-8 parts of feldspar powder, 0.5-3 parts of zinc oxide, 2-7 parts of pigment, 15-20 parts of modified kaolin and 1-5 parts of water. The preparation process of the modified kaolin comprises the following steps: (1) adding kaolin into deionized water, then adding octadecyl bis (hydroxyethyl) methyl ammonium chloride, stirring, filtering and drying to obtain pretreated kaolin; and (2) adding the kaolin pretreated in the step (1) into deionized water, then adding cellulose and manganous nitrate, carrying out heating reaction, and then filtering, washing and drying to obtain the modified kaolin. Cellulose is carbonized on the surface of kaolin through a hydrothermal carbonization reaction, the heat conduction efficiency of the ceramic tile is reduced, the hybridization degree of the surface structure of kaolin is further improved by adding manganous nitrate, and the strength of the ceramic tile is improved.

The invention relates to the field of building materials, and discloses a multifunctional foamed ceramic sound insulation and heat preservation material for buildings. Comprising the following raw materials in parts by weight: 42 to 48 parts of pottery clay tailings, 14 to 16 parts of fly ash, 10.5 to 12 parts of crushed stone materials, 2.8 to 3.2 parts of a silicon carbide foaming agent, 0.7 to 0.8 part of a borax fluxing agent, 7 to 8 parts of paraffin / silicon dioxide phase change microcapsules, 0.5 to 1.0 part of graphene, 2.0 to 2.5 parts of nano iron powder, 0.05 to 0.5 part of nano silver, 1.0 to 1.5 parts of photocatalytic titanium dioxide and 0.3 to 0.4 part of a fluorosilane coupling agent. A stable matrix structure is constructed through the argil tailings, the fly ash and the crushed stone materials, the silicon carbide foaming agent and the borax fluxing agent reduce the heat conductivity coefficient, the sound insulation performance is improved, the material is endowed with the antibacterial ability through nano-silver and photocatalytic titanium dioxide, indoor sanitation is guaranteed, and a super-hydrophobic layer is constructed through the fluorosilane coupling agent.

The present invention relates to a method for mechano-chemical activation in a mill, wherein the method has at least two operating states, wherein in a first operating state a first energy input per mass of ground material takes place, wherein in a second operating state a second energy input per mass of ground material takes place, wherein the first energy input is higher than the second energy input, wherein the first operating state is selected when electrical energy is cheaper or more available than in the long-term average, wherein the second operating state is selected when electrical energy is more expensive or less available than in the long-term average.

The invention provides a low-temperature fast-fired ceramic green body, a high-strength ceramic tile and a preparation method of the high-strength ceramic tile. The ceramic green body is prepared from the following raw materials in parts by weight: 8-15 parts of ball clay, 1-8 parts of bentonite, 1-8 parts of black talc, 60-70 parts of vanadium-titanium slag, 8-15 parts of kaolin and 0.3-0.5 part of a green body dispergator. According to the invention, a large amount of vanadium-titanium slag is introduced into a ceramic blank formula, so that barren raw materials in the blank can be completely replaced, exhaustion of mineral resources is slowed down, the utilization rate of the vanadium-titanium slag is greatly improved, resource waste is avoided, and a low-aluminum blank formula system enhanced by metal oxide is formed; the sintering temperature of the green body can be greatly reduced, the water absorption rate of the product is reduced, the sintering period is shortened, and a low-temperature fast-firing ceramic production process is realized.

A manufacturing method for a special ceramic cup for producing low-hertz water by soaking, comprising: manufacturing a single composite cup body (100) of a ceramic cup and manufacturing a double composite cup core (200) of the ceramic cup. The special ceramic cup is composed of the single composite cup body (100) and the double composite cup core (200). The single composite cup body (100) uses a composite layer, a single composite cup body outer layer (110) is made of purple clay, and a single composite cup body inner layer (120) is made of kaolinite; and the double composite cup core (200) uses loess stone powder and muyu stone powder as a double composite cup core outer layer (210), and uses diatom minerals and a maifan stone porous material as a double composite cup core inner layer (220). The manufactured special ceramic cup can produce small molecule water by means of the composite superposition effect, can provide a new option for people to select low-hertz water and trace element health-care products for daily supplementation, and has important application value.

The invention relates to the technical field of solid waste recycling, in particular to a method for preparing ceramsite through multi-element solid waste co-treatment. The method comprises the following steps: S1, uniformly stirring and mixing waterworks sludge, washing-free waste incineration fly ash, polluted soil and iron tailing slag powder in proportion to obtain a stirred mixture; s2, directly putting the stirred mixture which is uniformly mixed and is in a wet state into a ceramsite drying and granulating kiln, and granulating in the kiln to obtain raw material balls; s3, the raw material balls enter a pyrolysis section in the kiln to be subjected to low-temperature pyrolysis treatment; s4, the pyrolyzed raw material balls enter a calcining kiln to be subjected to high-temperature sintering treatment; and S5, passing the obtained sample through a cooling kiln, and taking out the cooled sample to obtain the multi-element solid waste ceramsite. According to the method, pure solid waste is adopted for preparing the ceramsite, and the links of raw material drying and granulation in traditional ceramsite manufacturing are omitted. The sludge of the waterworks, the waste incineration fly ash, the polluted soil and the iron tailing slag are utilized in a high-valued manner, the energy consumption is low, and less secondary environmental pollutants are generated.

The invention discloses a high-temperature-resistant ceramic formula and a preparation process thereof, the high-temperature-resistant ceramic formula comprises the following raw materials: a ceramic blank, glaze, a composite heat-conducting material and reinforced fibers, and the composite heat-conducting material and the reinforced fibers are mixed in the ceramic blank and the glaze; the specific formula comprises the following raw materials: a composite heat-conducting material, reinforced fibers and a ceramic body in a mass ratio of (2-3): (6-8): 100, and a mass ratio of the composite heat-conducting material to the reinforced fibers to glaze is (3-4): (7-9): 100; the reinforced fibers are added into the ceramic blank and the glaze to achieve the effects of increasing the ceramic strength and reducing cracks, meanwhile, the composite heat conduction material is added to form a net structure with the reinforced fibers, the heat conduction performance of the ceramic material is greatly improved through the heat conduction performance of the graphite powder, loads are effectively dispersed, and crack propagation is prevented; the material sintering can be promoted, so that the ceramic has better wear resistance and high temperature resistance.

The invention belongs to the technical field of building materials, and particularly relates to a preparation method of a high-strength sintered tile. The preparation method of the high-strength sintered tile comprises the following steps: (1) crushing green body raw materials, sieving, adding water, carrying out ball milling, and carrying out spray drying to obtain powder; (2) performing compression molding on the powder obtained in the step (1) to obtain a green body; drying the green body to obtain a tile blank; (3) coating the tile blank obtained in the step (2) with glaze, and drying to obtain a glazed tile blank; and sintering the glazed tile blank, and then cooling to room temperature to obtain the ceramic tile. The high-strength sintered tile obtained by the preparation method is high in bending strength, high in thermal stability, low in water absorption and good in freezing resistance, and has a wide application prospect.

The present invention relates to a device for the mechano-chemical activation of a moist starting material, the device comprising a drying device 10 and a mill 20, the drying device 10 and the mill 20 being connected for transferring the material dried in the drying device 10, the mill 20 and the drying device 10 being connected for transferring the waste heat of the mill 20 to the drying device 10.

The invention provides a sintered hollow batten for buildings and a preparation method, and belongs to the technical field of novel wall materials, the sintered hollow batten for buildings comprises the following raw materials: high-calcium fly ash, construction waste recycled aggregate, clay, sulphoaluminate cement, a foaming agent, reinforced fibers and an additive; wherein the particle size of the construction waste recycled aggregate is 0.5-5mm, and the construction waste recycled aggregate is subjected to plasma activation treatment; a nano TiO2 photocatalytic coating is loaded on the surface of the construction waste recycled aggregate; the reinforced fibers are composite fibers of basalt fibers and polypropylene fibers, and the mass ratio of the basalt fibers to the polypropylene fibers is (1: 1)-(1: 2). According to the sintered hollow batten for the building, the building waste recycled aggregate subjected to plasma activation treatment is adopted, and the nano titanium dioxide photocatalytic coating is loaded, so that the bonding strength of the aggregate is greatly improved, and the hollow batten is endowed with the function of degrading pollutants such as formaldehyde.

The invention relates to the technical field of ceramics, in particular to a high-strength and high-whiteness transparent glaze, a ceramic and a preparation method thereof, and the high-strength and high-whiteness transparent glaze is prepared from the following raw materials in parts by weight: 25-30 parts of potassium feldspar, 10-15 parts of an additive doped with a quartz modifier, 10-15 parts of dolomite, 10-15 parts of Dehua kaolin and 5-9 parts of a reinforcing agent adjusted by modified chitosan liquid. According to the glaze disclosed by the invention, the potassium feldspar is matched with the dolomite and the Dehua kaolin, and the adding agent doped with the quartz modifier and the reinforcing agent adjusted by the modified chitosan liquid are coordinated, coordinated and synergistic, so that the transparency, the whiteness, the strength and the anti-fouling performance of the obtained glaze product are improved in a coordinated manner, and the ageing-resistant and solvent-resistant stability effects of the product are remarkable.

Preparation methods for multi-sheet porous ceramic matrices (10, 20, 30, 40) and an atomization core thereof. The preparation method for the multi-sheet porous ceramic matrices (10, 20, 30, 40) comprises: (1) the preparation of ceramic powders, involving: weighing a plurality of groups of components in parts by weight, comprising 25-55 parts of an aggregate, 5-40 parts of a pore former, 5-19 parts of a sintering aid, and 5-35 parts of a powder dispersing agent; (2) the preparation of casting ceramic slurries, involving: weighing a plurality of groups of components in parts by weight, comprising 40-65 parts of each group of ceramic powder, 30-50 parts of a solvent, 0.1-3 parts of a slurry dispersing agent, 1-8 parts of a plasticizer, and 1-10 parts of a binder; (3) the preparation of ceramic green bodies, involving: respectively making the plurality of groups of casting ceramic slurries into a plurality of groups of sheet-like ceramic green bodies by means of a casting process; and (4) the preparation of multi-sheet porous ceramic matrices (10, 20, 30, 40), involving: vertically stacking a plurality of ceramic green bodies of different groups and / or the same group in sequence and then laminating same into an integral body, then feeding same into a furnace for de-binding and sintering, and finally cutting same into required shapes to obtain the multi-sheet porous ceramic matrices (10, 20, 30, 40).

The invention discloses a wear-resistant and mildew-proof ceramic tile which comprises a green body and a glaze layer attached to the green body, and the wear-resistant and mildew-proof ceramic tile is obtained by coating the surface of the green body with a modified interface agent and then glazing, wherein the glaze layer is prepared from the following raw materials in parts by weight: 40 to 50 parts of silicon dioxide, 30 to 35 parts of aluminum oxide, 15 to 20 parts of modified titanium dioxide, 6 to 10 parts of barium carbonate, 6 to 10 parts of mullite, 5 to 8 parts of silver-loaded zirconium phosphate, 4 to 8 parts of potassium carbonate, 4 to 8 parts of sodium carbonate, 3 to 7 parts of limestone, 3 to 5 parts of sodium borate, 2 to 4 parts of zinc oxide and 0.5 to 1 part of sodium tripolyphosphate. According to the ceramic tile, the modified interface agent with specific composition is introduced between the ceramic tile green body and the glaze layer, modified titanium dioxide and inorganic components (such as aluminum phosphate, aluminum acetylacetonate and tetrapropyl zirconate) in the interface agent form oxides in the sintering process, and the interface bonding strength is remarkably enhanced through physical occlusion; and the long-term wear resistance and mildew resistance of the ceramic tile glaze layer are improved.

The invention provides a lightweight compression-resistant heat-insulating noise-reducing material and a preparation method and application thereof, the lightweight compression-resistant heat-insulating noise-reducing material is prepared from the following components in percentage by mass: 50-80% of coal-based solid waste, 0-20% of industrial solid waste, 20-40% of an auxiliary material and 0-10% of an additive, and the lightweight compression-resistant heat-insulating noise-reducing material is prepared by batching, ball milling, green body forming and high-temperature sintering. In the preparation process of the lightweight compression-resistant heat-insulating noise-reducing material, the coal-based solid waste utilization rate is high, the material density is low, the heat conductivity coefficient is low, the pore structure is uniform and closed, the compression resistance is excellent, and the lightweight compression-resistant heat-insulating noise-reducing material can be used as a novel heat-insulating and noise-reducing material.

The invention relates to the technical field of porcelain, in particular to porous antioxidant composite porcelain and a preparation method thereof, and the preparation method comprises the following steps: weighing the following raw materials in parts by weight: 35-40 parts of clay, 10-15 parts of aluminum oxide, 6-10 parts of an aluminum nitride-doped modified homogenizing agent, 5-9 parts of kaolin and 5-8 parts of a sodium silicate blender. According to the porous anti-oxidation composite porcelain, clay is adopted as a matrix, aluminum oxide and kaolin are added to be matched with an aluminum nitride modified homogenizing agent and a sodium silicate blender, the raw materials are blended and synergized, compression molding is performed, and finally homogenizing sintering is performed, so that the porous anti-oxidation composite porcelain is obtained. The porous performance, the high-temperature oxidation resistance and the mechanical bending strength performance of the obtained composite porcelain are harmoniously improved, and meanwhile, the stability effect of the product is remarkable under different degrees of corrosion conditions.

The invention relates to the technical field, in particular to an ultralight foamed ceramic hollow sphere prepared from iron lepidolite tailings and a preparation method and application of the ultralight foamed ceramic hollow sphere. The foamed ceramic hollow sphere is prepared from the following raw materials: iron lepidolite tailings, silicon carbide, bentonite, sodium carbonate and potassium carbonate; in percentage by mass, the content of the iron lepidolite tailings is 90 to 96.4 percent; the content of the silicon carbide is 0.1-1%; the iron lepidolite tailings are prepared from the following components in percentage by mass: 77 to 80 percent of SiO2, 10 to 13 percent of Al2O3, 1.3 to 1.6 percent of Fe2O3 and 0.1 to 0.17 percent of Li2O. The ultralight foamed ceramic hollow sphere is prepared by using the iron lepidolite tailings, the silicon carbide, the bentonite, the sodium carbonate and the potassium carbonate as raw materials, can meet various market requirements of heat preservation, heat insulation, sound insulation, noise reduction and the like, and brings remarkable economic benefits and social benefits.

The invention belongs to the technical field of resource recycling, and discloses lead-zinc tailing ceramsite and a preparation method thereof. The lead-zinc tailing ceramsite is mainly prepared from the following raw materials in parts by mass: 100 parts of lead-zinc tailings; 20 to 30 parts of limestone tailings; 6-8 parts of active mullite nano powder; 1-3 parts of glass micro powder; and 8-12 parts of dry sludge powder. The invention also provides a preparation method of the lead-zinc tailing ceramsite. The lead-zinc tailings are used as main raw materials to prepare the lead-zinc tailings ceramsite, through compounding of the lead-zinc tailings and the limestone tailings, the synergistic effect of the lead-zinc tailings and the limestone tailings is achieved, resource utilization of the lead-zinc tailings and the limestone tailings is achieved, and good economic benefits and social benefits are achieved. The density grade of the ceramsite prepared by the invention is 600-900, the cylinder compressive strength is 6.8-9.8 MPa, the water absorption rate is 9.4-11.4%, and the ceramsite has relatively good strength and relatively low water absorption rate.

The invention relates to the technical field of cement-based building materials, in particular to low-shrinkage ultra-high-performance concrete and a preparation method thereof.The concrete production cost is reduced by replacing cement with a large amount of admixture, ardealite-based coarse aggregate and solid waste lightweight aggregate are prepared from industrial solid waste to serve as aggregate, and the concrete strength is improved; the internal curing effect is achieved, and the shrinkage of the ultra-high performance concrete is reduced together with a self-made expanding agent.

This application relates to the technical field of firing ceramsite, and specifically discloses a coal gangue-based water-retaining ceramsite, its preparation method and application. The preparation method of the coal gangue-based ceramsite disclosed in this application is as follows: Drying: The green balls of ceramsite are fed into the drying section, and the hot air from the decarbonization section is cooled and then sent to the drying section to dry the green balls; The green balls of ceramsite are prepared by uniformly mixing coal gangue raw materials and modified silica sol and then calcined. Pyrolysis: The hot air generated from the decarbonization section is heated to 350-400 °C and then introduced into the pyrolysis section to pyrolyze the green balls. Decarbonization: The hot air from the pyrolysis section and the cooling section heats and supports combustion of the material layer in the decarbonization section to complete the decarbonization of the ceramsite. Cooling: The decarbonized ceramsite is cooled by blowing air. Using the technical solution of this application, the processing scale of coal gangue ceramsite can be increased, the energy utilization of coal gangue itself can be maximized, the production cost can be effectively reduced, and the ceramsite can meet the requirements of decarbonization, water retention and strength.

The invention relates to the technical field of solid waste recycling, in particular to a low-temperature fast-fired ceramic aggregate prepared from electrolytic manganese residues and a method thereof.The method comprises the steps that S1, the electrolytic manganese residues and low-temperature flux are subjected to ball milling and sieved through a 200-325-mesh sieve, and a fine powder blank is obtained; s2, 70-100 parts of electrolytic manganese residues and 2-20 parts of low-temperature flux are evenly mixed, and then a mixture is obtained; s3, adding an external binder into the mixture, aging, adding into a sugarcoating machine, stirring, and spraying distilled water to obtain a spherical ceramic aggregate green body; and S4, drying the spherical ceramic aggregate green body in a drying oven, and quickly firing in a silicon carbide rod furnace to obtain the ceramic aggregate subjected to low-temperature quick firing. The electrolytic manganese residues are rapidly sintered at the low temperature of 1000 DEG C or below, sulfur curing can be achieved, meanwhile, under the action of quartz particles, generated CaSO4 has the high specific surface area, heavy metal elements can be effectively adsorbed and subjected to solid solution, and full utilization of the industrial solid waste electrolytic manganese residues is achieved.

The present invention provides a method for manufacturing a non-fired brick whereby reductions in corrosion resistance and creep resistance due to the generation of low melting point substances can be suppressed, and sufficient strength can be exhibited. In the present invention, water is added to and mixed with a refractory raw material formulation containing 0.2-15 mass% of magnesia having a particle diameter of less than 75 μm and 0.3-10 mass% of silica having a particle diameter of less than 44 μm, with the remainder being mainly one or more of an alumina raw material, an alumina silica raw material, a silica raw material, and a spinel raw material, and the total content ratio of alkali metal phosphates and alkali metal silicates being less than 1 mass% (including 0). Thereafter, the mixture is press molded and then left standing at room temperature or heat treated at a temperature of 1000°C or less.

The invention discloses a method for preparing a porous ceramic filter ball from electrolytic manganese residues, and relates to the technical field of environmental protection and ceramic materials, and the method comprises the following steps: (1) raw material treatment: crushing the electrolytic manganese residues into particles of 2-3 cm, drying by using a dryer, and after drying, carrying out ball milling and sieving on the electrolytic manganese residues by using a planetary ball mill to obtain a raw material; (2) weighing and proportioning raw materials: weighing and proportioning the raw materials in percentage by weight: 50-80% of electrolytic manganese residues, 20-50% of calcined kaolin, 0-10% of an additional cosolvent and 0-10% of a pore-forming agent; (3) mixing the raw materials; and (4) granulating and aging the mixture. According to the method for preparing the porous ceramic filter balls from the electrolytic manganese residues, a brand new path is developed for comprehensive utilization of the electrolytic manganese residues, the path enables the utilization rate of the electrolytic manganese residues to be greatly increased, the path becomes an extremely effective path for consuming the electrolytic manganese residues, the electrolytic manganese residues can be fully utilized due to the characteristic of high utilization rate, and efficient cyclic utilization of resources is achieved.

The invention relates to the field of architectural ceramics, and discloses a sapphire effect dry particle, a ceramic tile with a sapphire imitation effect and a preparation method of the ceramic tile. The sapphire effect dry granules comprise blue dry granules and transparent dry granules, wherein the blue dry granules are prepared from the following raw materials: 1.5 to 3.5 parts of superfine tin dioxide, 15 to 19.5 parts of cobalt oxide, 4.5 to 7.5 parts of titanium oxide, 8 to 14 parts of zinc oxide, 32 to 43 parts of calcined aluminum oxide, 8 to 13 parts of quartz, 10 to 16 parts of potassium feldspar and 2.5 to 4.5 parts of boric acid; the transparent dry particles comprise the following raw materials in parts by weight: 8-15 parts of zinc oxide, 5-10 parts of aluminum oxide, 24-28 parts of quartz, 1-2.5 parts of nano silicon nitride and 7-11 parts of cryolite. By mixing the two dry granules, the frit dry granules which have a three-dimensional effect and an ice crack texture and imitate the texture of sapphire crystals can be prepared. The ceramic tile with the sapphire-like effect can be prepared by adopting the dry particles with the sapphire effect.

The invention relates to the technical field of ceramic materials, in particular to high-corrosion-resistance environment-friendly ceramic and a preparation method of the high-corrosion-resistance environment-friendly ceramic. 20 to 22 percent of Al2O3; 4 to 6 percent of Fe2O3; 2.0 to 3.5 percent of CaO; 0.5 to 1.0 percent of MgO; 0.8% to 1.2% of K2O and Na2O; sO3: less than or equal to 0.03%; pb + Cd + Cr < 6 + >: < = 2 ppm; the balance is impurities. According to the scheme, the craft ceramic can be prepared from the tailings, meanwhile, residues such as the heavy metal content are strictly controlled, components are controlled to be stable, and therefore unification of high corrosion resistance and environmental friendliness is achieved.

The invention relates to the field of investment casting of nickel-based single-crystal high-temperature alloy blades, in particular to a method for preparing an yttrium oxide coating through ultrasonic impregnation of a modified ceramic core. And the silane coupling agent is utilized to modify the surface of the silicon-based ceramic core, so that the adhesive force of the coating is improved, and the risk of coating stripping is reduced. In the preparation process of the coating, the permeability of the liquid coating can be improved by utilizing ultrasonic impregnation, a coating solution is promoted to permeate into tiny pores of the silicon-based ceramic core, and the adhesive force of the coating is further enhanced, so that a uniform and firm protective coating is formed on the surface of the silicon-based ceramic core. The scheme is green and environment-friendly, is simple and easy to operate, is suitable for various different types of coatings including materials such as metals, oxides and polymers, and has wide applicability.

The invention relates to the field of ceramic production equipment, in particular to a ceramic preparation process for dechlorinating and activating water, which is characterized in that kaolin, quartz sand, feldspar and activated carbon powder are ground through a grinding device, the grinding device comprises a grinding bin, an inner separator is further mounted in a bin body of the grinding bin, and the inner separator is connected with the grinding bin; the inner separator guides grinding balls installed in the bin body to roll, the improved device treats the grinding balls through the inner separator and separates the grinding balls through the third baffle, the large-diameter grinding balls and the small-diameter grinding balls are made to move through the surface of the third baffle and the surface of the guide groove respectively, and under high-speed movement, the grinding balls are separated through the third baffle and the guide groove. And a track formed by a steering plate of a third baffle and a second guide plate enables the grinding balls to rapidly fall down, then the grinding balls can be crushed in a high-speed state, and in the high-speed rotating process, a second separation groove in the surface of the steering plate enables the small-diameter grinding balls to enter.