109results about "Ceramic materials production" 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 application provides a foamed ceramic production process and relates to the field of lightweight ceramic material production. The process uses silicon carbide as a foaming agent and comprises the following steps: first, detecting the surface flatness of the foamed ceramic product after being taken out of the kiln to determine the surface topography data of the foamed ceramic product after being taken out of the kiln; then, according to the surface topography data, supplementing the foamed ceramic raw material layer which is prepared by a molding process before being taken into the kiln to burn in the same batch, wherein the raw material used for the supplementing is the same as or basically the same as the surface layer raw material component of the foamed ceramic raw material layer, and the supplementing area is the concave area of the foamed ceramic product after being taken out of the kiln; after the supplementing, the topography of the raw material layer is maintained, and the raw material layer is taken into the kiln to be sintered. The process can improve the flatness of the foamed ceramic after being sintered, reduce the grinding amount of cutting / grinding / polishing, save resources and reduce production cost.

The application discloses a high-hardness high-strength low-temperature sintering composite ceramic material and a preparation method thereof, and comprises the following raw materials in parts by weight: active silicon-aluminum composite material 35-45 parts, modified manganese-silicon slag 20-25 parts, alpha-alumina micro powder 10-15 parts, sodium feldspar 12-18 parts, wollastonite 8-12 parts, low-temperature composite flux 10-15 parts and water 80-100 parts. The high-hardness high-strength low-temperature sintering composite ceramic material takes the active silicon-aluminum composite material as the raw material, introduces multiple solid waste derived components such as the modified manganese-silicon slag and the low-temperature composite flux in the formula, the components complement each other and have a synergistic effect in the sintering process, so that the ceramic material has high hardness and high bending strength, and the unification of solid waste reduction, resource utilization and ceramic performance improvement is realized.

This invention discloses a black-based blue-spotted glaze with an earthworm-like pattern and its preparation method. The glaze consists of a body, a black base glaze, and a blue-spotted glaze from the inside out. The raw materials for the black base glaze are: feldspar, calcite, calcium borate, dolomite, talc, barium carbonate, quartz, bentonite, zirconium silicate, rutile, cobalt oxide, manganese oxide, and iron oxide. The raw materials for the blue-spotted glaze are: feldspar, limestone, alumina, talc, barium sulfate, Datong clay, zinc oxide, quartz, and titanium dioxide. The preparation method includes: 1. Wet ball milling the black base glaze raw materials to obtain a black base glaze slurry; 2. Wet ball milling the blue-spotted glaze raw materials to obtain a blue-spotted glaze slurry; 3. Bisque firing the body; 4. Applying the black base glaze slurry to the body and drying it; 5. Applying the blue-spotted glaze slurry to the body and drying it; 6. Oxidation firing and reduction firing of the body, followed by natural cooling to obtain the black-based blue-spotted glaze. The raw material formula of this invention is reasonable and environmentally friendly, which can improve the mechanical properties of the glaze; the preparation method is simple and the yield is high.

This invention proposes a sludge brick based on sewage treatment plant sludge and its preparation method, belonging to the field of building materials technology. The sludge brick, by weight, comprises the following raw material components: 50-70 parts sewage sludge, 8-12 parts reinforcing agent, 8-10 parts ceramic fragments, 6-8 parts heavy metal ion scavenging agent, 3-4 parts deodorizing agent, and 9-12 parts water. This invention utilizes domestic sewage sludge to prepare sludge bricks, reducing sludge disposal problems, avoiding the impact of domestic sewage sludge on the environment and human health, and achieving resource recycling. Furthermore, the preparation process defined in this invention reduces the generation and emission of waste gas, ensures that wastewater meets discharge standards, reduces environmental impact, and the prepared sludge bricks possess excellent mechanical properties, expanding their application prospects in building materials.

The utility model provides a kind of sintered brick sludge crushing device, including processing box, and the bottom of processing box is fastened with support box body, and rotationally connected with the shaft in processing box, the bottom of shaft extends to support box body, and is connected with the drive mechanism in support box body;Fastened with connecting seat on the shaft in processing box, multiple support frames are fastened on the outer wall of connecting seat along circumference, and downwardly inclined U-shaped frame is connected with one side of support frame, and the lower end of U-shaped frame is rotatably connected with rolling wheel by connecting shaft, and the bottom of rolling wheel is gap matched with the bottom surface in processing box;Multiple connecting rods are fastened on the outer wall of connecting seat end along circumference, and downwardly extending cleaning side plate is fastened on the end of connecting rod, and cleaning side plate is gap matched with the inner wall of processing box, and connecting rod is directly below with the scraper that is obliquely connected with the outer wall of connecting seat.The utility model can realize the synchronous rotation of cleaning side plate and scraper, ensure that raw material is fully rolled, and improve the efficiency of raw material crushing.

The utility model provides a kind of blast furnace surrounding extension heating furnace energy -conserving element, belong to heating furnace energy -conserving reconstruction technical field, energy -conserving element includes main element, the cavity of the one end recess of main element is equipped with, rectangular slot is equipped with in the cavity and is in circular array, the other end of main element is equipped with mounting hole, the surface of main element is equipped with rough part covered with. The scheme provided in the application can increase the surface area in the hearth, thereby enhancing the heat exchange of the hearth, improving the heating speed of the hearth, reducing the fuel consumption of the heating furnace, and achieving energy saving and emission reduction.

The application discloses a preparation method of imitation volcanic stone foamed ceramic, which comprises the following steps: (1) preparing foamed ceramic powder: after a known foamed ceramic base material taking silicon carbide as a foaming agent is prepared into a base powder through ball milling and spray granulation, a pore-forming material is added and uniformly mixed, the mass ratio of the base powder to the pore-forming material is 70-85:15-30, and the particle size range of the pore-forming material is 6-30 meshes; (2) spreading the foamed ceramic powder according to a preset thickness in a refractory kiln, and scraping; (3) sending into a kiln for firing, the firing temperature is 1160-1170 DEG C, and the firing period is 8-13.5 h; (4) removing the refractory kiln after cooling out of the kiln, and thus imitation volcanic stone foamed ceramic is obtained. In step (1), the content of silicon carbide in the pore-forming material is greater than the content of silicon carbide in the foamed ceramic base material. The foamed ceramic after firing can form an imitation volcanic stone decorative effect with pores of different sizes.

The application provides a recycling method and device of industrial tailings, and relates to the technical field of industrial tailings recycling. The method comprises the following steps: electrolytic manganese slag is mixed with lime or alkali liquor and stirred, ammonia gas is recovered by negative pressure to obtain pretreated manganese slag and ammonia water; shale is crushed, pulverized and aged to obtain aged shale material; water-quenched slag is mixed with coal gangue to obtain mixed auxiliary material; the three are mixed and stirred to form molding raw material, and the molding raw material is molded, dried and sintered at 950 DEG C to obtain manganese slag sintered porous brick. The device comprises an ammonia gas negative pressure recovery system, a stirring unit, a crushing and pulverizing unit, an aging bin, a molding machine, a drying kiln and a sintering kiln. The application removes ammonia nitrogen, reduces pollution, absorbs various industrial tailings, produces ammonia water as by-product, and realizes the recycling of the porous brick.

The utility model relates to the technical field of ceramic production, concretely to a high -efficient forming device for daily ceramic production, including box, the top of box is provided with recovery subassembly, recovery subassembly includes slurry tank that stores slurry, communication pipe, pressure pump that provides pressure, injects the injection pipe of slurry, is used for slurry forming mould. The high -efficient forming device for daily ceramic production, through adding recovery subassembly, slurry is hit into the mould from the injection pipe with pressure pump pressurization, the mould has the opening both up and down, the conveyer belt transmits the mould to the inclined strip, the rotating shaft is driven by the rotating motor slowly rotates to drive the inclined strip and the mould slowly pour, the mould falls to the inclined plate, both sides opening are exposed, the slurry that has not solidified flows along with gravity and the mould also falls into the recovery tank and waits to be disassembled, need not manual pour and wait, the convenience and forming efficiency of convenient large -scale processing are improved, and the inclined groove and the inclined plate guide the excess slurry to fall into the recovery tank and save the cost and be conducive to environmental protection.

The application discloses a ceramic blank automatic glazing device and relates to the field of ceramic piece production; the device comprises a rotary glazing platform, a lifting structure and a rotating structure are arranged on the rotary glazing platform, a plurality of same work stations are arranged in the rotary circumference, and an angle deflection mechanism is arranged in each work station on the rotating structure; the rotary glazing platform is arranged, four same work stations are installed on the rotary glazing platform, the whole process of feeding, glazing, wiping and discharging is completed in the same device system by using the same action, continuous uninterrupted glazing operation can be carried out, fully automatic production and processing are realized, and the problem that an automatic production line is too long and occupies a site is avoided; the angle deflection mechanism is arranged and cooperated with the lifting structure and the rotating structure, so that the ceramic piece enters the glazing liquid in an inclined posture, splashing of the glazing liquid is avoided, the whole glazing process is stable and orderly, and while the outer wall is glazed, the inner wall is ensured to be free from pollution.

The application relates to an ultra-low thermal conductivity external wall external insulation foam ceramic and a preparation method thereof, and belongs to the technical field of thermal insulation materials. The preparation method of the ultra-low thermal conductivity external wall external insulation foam ceramic comprises the following steps: (1) mixing boron carbide, iron oxide, fluorite, albite and potassium feldspar to obtain a mixture; (2) ball milling the mixture into mixed powder I; (3) uniformly stirring the mixed powder I and aluminum nitride powder to prepare a foaming agent; (4) ball milling solid waste raw materials into solid waste powder; (5) mixing the foaming agent, the solid waste powder and water, and uniformly stirring to prepare mixed powder II; (6) pressing the mixed powder II into a green body; and (7) sintering the green body to obtain the foam ceramic. The prepared foam ceramic has the structural feature that small pores surround large pores, and can simultaneously meet the indexes of density, strength and thermal conductivity, and meets the requirements of the national standard of "external wall external insulation foam ceramic", and can be used for external wall external insulation.

The application provides a sintering device for preparing foamed material by using fly ash, which comprises a tunnel kiln, a first rack, two second racks, a track and a plurality of moving mechanisms. The tunnel kiln has a drying section, a temperature rising section, a temperature maintaining section and a cooling section, which are arranged in sequence along a first direction. The first rack is installed on the inner wall of the tunnel kiln. The two second racks are both installed on the inner wall of the tunnel kiln and located at the temperature maintaining section. The track is arranged in the tunnel kiln. The plurality of moving mechanisms are all installed on the track and can move along the track. The moving mechanism comprises a kiln car, a lifting support, a fixing support, a lifting mold, a rotating mold, a first gear and two second gears. The sintering device for preparing foamed material by using fly ash provided by the application is uniformly heated and has high forming quality.

This invention discloses a method and application for producing ceramics using low-temperature sintering of iron removal waste residue, belonging to the field of ceramic product manufacturing technology. The method includes the following steps: (1) Mixing: Iron removal waste residue from the ceramic production process is added to the ceramic raw materials as a sintering aid, mixed evenly, and performance additives and dispersants are added to obtain a mixture; wherein, the amount of iron removal waste residue added is 2-4 wt.% of the total mass of the ceramic raw materials; (2) Molding: The mixture obtained in step (1) is aged under vacuum for 18-24 hours, and then pressed into shape to obtain a ceramic green body for later use; (3) Sintering: The ceramic green body obtained in step (2) is sintered at a temperature of 1060-1100℃ to obtain ceramic products. The method of this invention can be applied in the production of building ceramics or industrial ceramics. This invention has the characteristics of achieving low-temperature sintering of ceramics, and the temperature reduction of 40-80℃ compared with the traditional sintering temperature, resulting in energy saving and consumption reduction.

This utility model relates to the field of ceramic technology and provides a ceramic kiln, including a kiln body. A support is provided on the side of the kiln body, and side plates are rotatably connected to both sides of the support. A spring is fixedly connected to the side plate near the support, and an inclined block is fixedly connected to the end of the spring away from the side plate. A sliding column is fixedly connected to one side of the inclined block, and a bonding plate is fixedly connected to the side of the sliding column away from the inclined block. This utility model ensures detection reliability through a combination of elastic bonding and mechanical transmission. The bonding plate is always in close contact with the outer wall of the kiln due to the spring elasticity, ensuring continuous monitoring. Furthermore, the displacement of the bonding plate is amplified by multi-stage mechanical transmission, converting expansion into a perceptible signal, improving detection sensitivity, and avoiding missed detections due to poor contact or slight displacement.

This invention discloses a method for controlling the oxygen partial pressure and performance of barium titanate ceramics during sintering using coconut shells, comprising the following steps: Step 1: Select coconut shells, clean them, remove the fibers, and dehydrate and dry them using a high-temperature forced-air drying oven; Step 2: Crush the dried coconut shells into small pieces, place them in a crucible, and carbonize them at high temperature in a muffle furnace; Step 3: Take out the high-temperature carbonized coconut shell char, grind it, and sieve it; Step 4: Weigh the coconut shell char and barium titanate powder at a mass ratio of 2~6:100, and then grind them to fully mix the coconut shell char and barium titanate powder; Step 5: Add a binder to the mixed powder, grind it thoroughly, and then press the powder into sheets to obtain a green body of fully mixed coconut shell char and barium titanate; Step 6: Place the pressed green body into a muffle furnace and sinter it at high temperature; Step 7: Obtain the coconut shell char mixed barium titanate ceramic.

This invention discloses a method for preparing ceramsite from municipal solid waste and industrial solid waste, and the ceramsite itself. The raw materials, by dry weight percentage, are: 30%–50% biogas residue, 10%–30% desulfurization ash, 15%–25% desilication sludge cake, and 15%–25% waste bleaching clay. This invention also provides a method for preparing ceramsite from municipal solid waste and industrial solid waste. By classifying municipal solid waste at the source, using biogas residue from fermentation as the main material, and co-processing desulfurization ash, desilication sludge cake, and waste bleaching clay, this method achieves multiple benefits, including waste-to-waste treatment, resource utilization, and safe disposal of hazardous waste, resulting in significant environmental, social, and economic benefits.

The application discloses a kind of ceramic mud raw materials is combined with and is smashed equipment, it is related to ceramic production technical field.The present application includes workbench, workbench is provided with smashing cylinder by fixed assembly, the rear end of workbench is provided with smashing assembly, the bottom of workbench is provided with preheating assembly.The present application is clamped to smashing cylinder by first lead screw in fixed assembly, and is connected between first ear seat and second ear seat by connecting rod, realizes to fix smashing cylinder, is scraped to ceramic mud raw materials adhered to smashing disc by L-shaped block and telescopic plate in smashing assembly, is recycled to heat in smashing cylinder and is dried to raw material by water storage shell and serpentine pipe in preheating assembly, solve the existing inconvenient to fix smashing cylinder, inconvenient to scrape adhered ceramic mud raw materials, and inconvenient to recycle and reuse heat generated in smashing process.

This invention belongs to the field of refractory material preparation technology, specifically relating to a refractory brick and its preparation method. The refractory brick of this invention uses calcined bauxite and fused white corundum as the main raw materials, providing a high-strength refractory skeleton to ensure the basic compressive strength of the refractory brick. The addition of kyanite and andalusite, through a kyanite-andalusite composite, achieves gradient control of the expansion rate; kyanite rapidly responds to mid-temperature shrinkage, while andalusite sustains high-temperature expansion, synergistically achieving volume stability. Secondary alumina ash, hematite tailings, and serpentine tailings are also added to the raw materials to promote the formation of magnesium iron spinel and mullite phases; lanthanum oxide, yttrium aluminum garnet, titanium silicon carbide, and yttrium titanate are added to further improve the strength and crack resistance of the refractory brick; calcium hexaaluminate micron powder, p-Al2O3 micron powder, and deionized water are used as composite binders. Thus, the synergistic effect between the raw materials ensures that the prepared refractory brick has excellent strength and crack resistance.

The application discloses a method for preparing high-performance ceramic matrix composites by rare earth and steel smelting solid waste, which comprises the following steps: (1) steel solid waste pretreatment; (2) raw material proportioning and mixing: proportioning raw materials according to mass fraction: 70% of pretreated solid waste powder, 5% of rare earth oxide, 15% of clay and 10% of flux; placing all the raw materials in a planetary mixer, adding a proper amount of deionized water, controlling the water content to be 15%, controlling the mixing speed to be 250-350 r / min, and mixing for 1-3 hours to obtain uniform ceramic slurry; (3) forming; and (4) rare earth sintering. The application aims to realize that the proportion of solid waste is greater than or equal to 70%, the high-temperature resistance of the ceramic material reaches 1600 DEG C, the acid and alkali corrosion resistance is 2 times higher than that of traditional ceramic, the raw material cost is reduced by 60%, and the collaborative development of solid waste resource utilization and high-end ceramic material industry is promoted.

The application discloses a glazed tile with colorful metal stereoscopic texture and a preparation process thereof, and relates to the technical field of ceramic tiles. The A dry particle slurry with high silicon content and containing part of heavy metal salt is sprayed to obtain an A dry particle slurry spraying area, and a stereoscopic effect is formed in the spraying area. In a slightly acidic condition, the phosphate in B ink reacts with C protective glaze to generate iron phosphate phase separation, different degrees of saturation of simulated silver metal luster are formed according to the content of the generated iron phosphate, and the heavy metal salt in the A dry particle slurry forms new colors under high-temperature oxidation conditions. Part of the color areas and the simulated silver metal color are combined to form the colorful metal luster.

The utility model discloses a kind of sludge preparation ceramsite with feed pretreatment device, it is related to sludge treatment technical field, it includes placing seat, and filter screen is arranged in placing seat, further includes: setting in the pressing plate of placing seat upper, and the upper of pressing plate is provided with extrusion mechanism, the extrusion mechanism includes and is connected with the lifting plate of pressing plate, and lifting plate upper is provided with lower transfer lever, moving block and upper transfer lever, the one end of upper transfer lever far from moving block is rotatably provided with connecting block, and connecting block is fixedly provided with fixed plate on, the fixed plate is provided with telescopic link, and the one end of telescopic link far from fixed plate is provided with support plate;Control component is arranged in the inner side of moving block, and control component is used to drive moving block linearly moves.The sludge preparation ceramsite with feed pretreatment device is convenient for squeezing to sludge, remove moisture in sludge, and work efficiency is high.

This invention belongs to the field of ceramic materials technology, and provides a high-strength self-cleaning waste-based clay, its preparation method, and its application. The high-strength self-cleaning waste-based clay of this invention is composed of the following components: brick and tile construction waste, concrete construction waste, kaolin, bauxite, ceramic factory waste mud, ceramic factory waste glaze, and a composite self-cleaning reinforcing agent; the composite self-cleaning reinforcing agent includes talc, bentonite, and wollastonite, with a mass ratio of talc, bentonite, and wollastonite of 3~4:2~3:3~4. This invention, through synergistic formulation, particle size control, segmented aging, and stepped firing, fundamentally solves the technical problems of traditional waste-based clay, such as low strength, easy cracking, poor appearance, lack of functionality, high energy consumption, and low yield. It has outstanding advantages of high strength, self-cleaning, low energy consumption, and high yield, and can meet the industrial production needs of daily-use ceramics, building ceramics, and art ceramics.

This invention discloses an ultra-wear-resistant polished glazed tile and its preparation method, comprising a body, a base glaze layer, and an inkjet layer, as well as a wear-resistant polished glaze layer and a diamond wax layer. The wear-resistant polished glaze layer raw materials include the following components: 39-41 parts potassium-sodium feldspar, 8-10 parts washed clay, 10-12 parts calcined kaolin, 5-7 parts wollastonite, 15-17 parts dolomite, 5-7 parts strontium sulfate, and 3-5 parts zinc oxide. The diamond wax layer raw materials include the following components: 10-15% nano-sized corundum powder, 1-3% nano-sized boron nitride, 8-10% nano-sized alkaline silica sol, 6-8% nano-sized platinum-based coupling agent, 0.5-1% organosilicon penetrant, and 63-74.5% deionized water. This invention significantly improves the hardness and wear resistance of ultra-wear-resistant glazed tiles by designing an ultra-wear-resistant glaze formula and a Da Mo Wang (a type of polishing wax) formula. This effectively protects the ultra-wear-resistant glazed tiles from being scratched or abraded, while also improving transparency and stain resistance. This allows the fired ultra-wear-resistant glazed tiles to achieve both good color and texture.

The application discloses grass-wood-ash black glaze and a preparation method thereof, and relates to the technical field of glaze preparation. The grass-wood-ash black glaze is prepared from the following raw materials in parts by weight: 50-60 parts of silicon dioxide, 9-12 parts of aluminum oxide, 7-10 parts of calcium oxide, 1-3 parts of magnesium oxide, 4-6 parts of diiron trioxide, 2-6 parts of potassium oxide, 3-8 parts of fluorcarbonate, 5-10 parts of lithium mica, 12-15 parts of quartz stone, 2-4 parts of potassium feldspar, 5-8 parts of plagioclase, 7-10 parts of calcite, 30-35 parts of dolomite, 20-25 parts of illite, 6-9 parts of illite-smectite mixed layer, 5-8 parts of chlorite, 3-5 parts of kaolinite and 10-20 parts of grass-wood-ash. The glaze surface of the grass-wood-ash black glaze has a unique artistic effect of blue-violet kiln-change flow lines on a dark green base, has the advantages of high color saturation, low sintering temperature, unique artistic effect and the like, and has good environmental protection and antibacterial properties.