65results about How to "Lower firing temperature" patented technology

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 belongs to the technical field of architectural ceramics, and particularly discloses radiation refrigeration glaze, a preparation method thereof and a lightweight ceramic tile. The radiation refrigeration glaze comprises a basic glaze and radiation refrigeration powder, the radiation refrigeration powder comprises nano-porous alumina and metallic oxide doped magnesium aluminate spinel, and the metallic oxide is selected from at least one of iron sesquioxide, manganese dioxide, cobalt sesquioxide and copper oxide. According to the invention, nano-porous alumina and metallic oxide doped magnesium aluminate spinel are compounded as radiation refrigeration powder, and the radiation refrigeration powder is added into the cover glaze of the light ceramic tile, so that not only are good glaze quality and tile shape obtained, but also the sunlight reflectivity ratio of the glaze is improved, thereby achieving a good radiation refrigeration effect, and improving the service life of the light ceramic tile. The sunlight reflectivity reaches up to 88-94%, the glaze quality and the brick shape are good, and the surface flatness is + / -0.3 mm.

The invention belongs to the field of materials, and relates to a silica brick and a preparation method thereof. According to the invention, calcium nitrate tetrahydrate and ferrous nitrate are taken as mineralizing agents, CaO and FeO which are high in activity and are uniformly distributed are provided for the silica brick in the sintering process, and the problems that the mineralizing agents are difficult to uniformly disperse and Fe < 2 + > is easy to oxidize when lime milk and iron scale are taken as the mineralizing agents in the existing silica brick preparation technology, so that the utilization efficiency of the mineralizing agents is low are solved. According to the invention, mineralizer reduction and firing temperature reduction are realized by improving the use efficiency of the mineralizer, and the amorphous phase content in the finished product of the silica brick is obviously reduced on the premise of not reducing the content of phosphorus quartz. The preparation method is simple, the raw materials are rich, the cost performance is excellent, the sintering process is easy to control, the preparation method is suitable for industrial production of large silica bricks, and the finished product bricks are excellent in performance and high in percent of pass.

The invention belongs to the technical field of water ecological filtering materials, and particularly relates to a bioactive porous ceramic material and a production method thereof. The bioactive porous ceramic material is prepared from the following components in parts by weight: 8 to 20 parts of aluminate cement binding material, 1.0 to 2.0 parts of bamboo fiber, 1 to 7 parts of aluminum dihydrogen phosphate, 1 to 2 parts of rubber powder, 0.1 to 0.5 part of starch ether, 0.1 to 0.5 part of nano titanium oxide, 60 to 80 parts of pearl sand, 5 to 10 parts of zeolite powder, 7 to 20 parts of expanded perlite micro powder and 18 to 22 parts of water. The production process comprises the steps of master batch preparation, batch production, molding, drying and firing, detection, packaging, warehousing and the like, the process is simple, the firing temperature is low, the period is short, and the production cost is low. The product soluble water is alkalescent, and under the irradiation of sunlight, lamplight or ultraviolet rays, the dissolved oxygen concentration of water can be improved, a healthy living environment is provided for nitrifying bacteria, and the nitrifying efficiency of the nitrifying bacteria is improved.

The invention provides a ceramic green body prepared from high-content tailings, a high-strength ceramic tile and a preparation method. The ceramic green body is prepared from the following raw materials in parts by weight: 20 to 30 parts of red mud, 0 to 8 parts of bentonite, 65 to 70 parts of vanadium-titanium slag, 0 to 10 parts of ball clay and 0.3 to 0.5 part of green body dispergator. According to the invention, two low-quality raw materials of red mud and vanadium-titanium slag are doped in a large amount and are reasonably proportioned to replace a traditional high-aluminum enhanced green body formula system, so that the firing temperature of a ceramic product is greatly reduced, the firing period is shortened, the huge harm of stacking of red mud and vanadium-titanium slag to natural ecology and environment is solved, and the production cost is reduced. And meanwhile, the red mud and the vanadium-titanium slag are utilized more reasonably.

The present application provides a foamed ceramic prepared by rare earth blast furnace slag and coal gangue and a preparation method thereof. The method of the present application includes ball milling raw materials including rare earth blast furnace slag, coal gangue, crushed silica, low melting point solid waste raw materials, and talcum powder until they pass through a 200-mesh sieve; adding water to the sieved raw materials and foaming agent for wet grinding to obtain a slurry; drying the slurry and grinding it to obtain a powder; spreading the powder in a mold and pressing it into a shape to obtain a molded blank; heating the molded blank to obtain a foamed ceramic. The preparation method of the present application adopts a direct sintering method to prepare foamed ceramics, which not only opens up a new way to mass-produce and high-value utilization of solid wastes such as rare earth blast furnace slag and coal gangue, but also solves the environmental pollution problem caused by solid wastes, and the prepared foamed ceramics have excellent performance.

The invention relates to a titanium-based enamel coating resistant to cold and hot impact and suitable for low-temperature firing and a preparation method thereof.The titanium-based enamel coating comprises enamel frits and grinding additives, and the grinding additives comprise titanium powder, aluminum silicate fibers, sodium nitrite, clay and water; the preparation method comprises the following steps: firstly preparing the enamel frit, then mixing the enamel frit with a grinding additive to obtain enamel glaze slip, then pretreating the titanium substrate to remove surface dirt, then carrying out wet spraying on the enamel glaze slip on the surface of the pretreated titanium substrate, and finally, sequentially drying and sintering the titanium substrate sprayed with the enamel glaze slip to obtain the titanium-based composite material. The titanium-based enamel coating is prepared. The titanium-based enamel coating resistant to cold and hot impact and suitable for low-temperature firing can bear 700 DEG C water cooling circulation for 22-26 times without ceramic cracking or falling off, and has excellent cold and hot impact resistance; during preparation, the preparation process is simple, and the firing temperature is 835-845 DEG C and is reduced by more than 60 DEG C compared with the prior art.

The invention discloses a super-sulfate-activated low-carbon cementing material based on alkali-containing solid waste as a raw material and a preparation method thereof. The cementing material comprises the following raw material components in percentage by mass: 30-50% of a red mud precursor cementing material, 34-54% of a solid waste material, 0.5-2% of an alkali activator and 10-20% of a sulfate activator. The application range of a sulfate excited low-carbon cementing material system is expanded, efficient utilization of the red mud can be achieved, alkaline solid waste such as the red mud becomes necessary components, and the problem of shortage of high-quality auxiliary cementing materials and the environmental problem caused by stacking of the red mud can be solved at the same time; the thermally activated red mud in the formula not only provides high-activity aluminum-silicon potential for performance development of the cementing material, but also provides proper alkalinity to make up for strength reduction caused by insufficient alkali in the later stage of the system, and promotes improvement of mechanical strength of the cementing material and densification of a matrix.

The invention provides diatomite ceramic with crack resistance and high density and a preparation method thereof. The diatomite ceramic comprises a blank body and a glaze layer, the blank body comprises the following raw materials: diatomite, modified diatomite, kaolin, quartz, feldspar, a fluxing agent, a first binder and a reinforcing agent; the glaze layer is prepared from the following raw materials: modified diatomite, mica powder, talcum powder, feldspar, zinc oxide, a second binder, a stabilizer, a dispersing agent and a wear-resistant additive. The firing time of the green body is 10-12 hours, the green body is fired and molded in a stepped and segmented mode, after glazing, the green body is fired for 5-7 hours, the green body is subjected to glaze firing in a stepped and segmented mode, and the anti-cracking and high-density diatomite ceramic is obtained. According to the invention, the diatomite is used as a main raw material of the green body, the modified diatomite and the compounded additive are utilized to reduce deformation and cracking of the green body in the firing process, increase the strength of the green body and improve the firing rate, and the components of the glaze layer are improved to make the green body and the glaze layer have good compactness, crack resistance and deformation resistance.

The invention belongs to the technical field of alumina ceramic preparation, and particularly relates to microcrystalline wear-resistant alumina ceramic and a preparation method thereof. The microcrystal wear-resistant aluminum oxide ceramic is prepared from the following raw materials: fused corundum powder, gibbsite, diopside, calcium fluosilicate, neodymium oxide, nickel aluminate, strontium oxide and sodium tripolyphosphate. According to the microcrystal wear-resistant aluminum oxide ceramic disclosed by the invention, the fused corundum powder and the gibbsite are used as main raw materials, so that the mechanical property of the prepared aluminum oxide ceramic is fundamentally ensured; diopside and calcium fluosilicate are used as fluxing agents, so that the firing temperature of the aluminum oxide ceramic is reduced, and the compactness is improved; neodymium trioxide, nickel aluminate and strontium oxide are used as wear-resistant assistants, and the wear resistance of the aluminum oxide ceramic is improved by improving the microstructure of the aluminum oxide ceramic, avoiding stress concentration at a grain boundary and generating a second reinforcement phase under the synergistic effect of the three assistants. Therefore, it is ensured that the prepared aluminum oxide ceramic has excellent wear resistance.

The invention belongs to the technical field of high-temperature structural ceramics, and particularly relates to a multiphase ceramic side sealing plate for twin-roll thin-strip continuous casting and a preparation method of the multiphase ceramic side sealing plate. The invention discloses a multiphase ceramic side sealing plate for twin-roll thin-strip continuous casting. The multiphase ceramic side sealing plate is characterized by being prepared from the following raw materials in percentage by weight: 50-60% of boron nitride, 30-35% of aluminum oxide, 3-5% of calcium carbonate and 5-10% of boron carbide, wherein boron nitride has two sizes, the large particle size d50 is greater than 10 [mu] m, the addition amount is 40-50%, the small particle size BN scale d50 is greater than 1 [mu] m, and the addition amount is 10-15%; the aluminum oxide is nano aluminum oxide, and d50 is less than 1 [mu] m; the d50 of the nano calcium carbonate is less than 1 [mu] m, and the boron carbide is 1000 meshes. The side sealing plate has the advantages of being low in firing temperature, excellent in high-temperature mechanical property and good in oxidation resistance, particularly can solve the problem that the side sealing plate is poor in initial blank shell oxidation wear resistance, and meanwhile meets the service requirements of thin-strip continuous casting on molten steel erosion resistance, molten steel thermal shock resistance, self-lubrication and the like of the side sealing plate.

The invention discloses a volume-stable high-magnesium Portland cement clinker, a preparation method and high-magnesium Portland cement. The clinker is prepared from the following mineral components in percentage by weight: 45 to 60 percent of C3S, 15 to 25 percent of C2S, 5 to 10 percent of C3A, 10 to 15 percent of C4AF, 2 to 8 percent of Ca3Mg (SiO4) 2 and 0.1 to 1 percent of 3MgO. V2O5. By introducing the vanadium-containing waste catalyst, the sintering temperature of the clinker can be obviously reduced, a 3MgO. V2O5 compound is formed, free magnesium oxide is converted into a combined stable calcium-magnesium compound, the volume-stable high-magnesium Portland cement clinker is obtained, and the autoclaving expansion rate of the cement is less than 0.01% when the content of magnesium oxide in the clinker reaches 4.5-10%.

The invention discloses iron yellow glaze fired by reducing flame and a preparation method of the iron yellow glaze, and belongs to the technical field of domestic ceramics. The iron yellow glaze fired by reducing flame comprises the following raw materials in parts by weight: 38-42 parts of feldspar, 8-12 parts of quartz, 8-12 parts of talc, 8-12 parts of dolomite, 12-15 parts of bone carbon, 10-15 parts of iron oxide red, 8-12 parts of Jiepai mud, 3-8 parts of Longyan soil and 4-8 parts of titanium dioxide. The preparation method comprises the following steps: weighing raw materials, adding water, stirring, carrying out ball milling, glazing, firing and the like. The prepared yellow glaze is good in water resistance, high in Vickers hardness, good in wear resistance, good in thermal shock resistance, glossy in glaze surface and fine and smooth in hand feeling.

The utility model discloses a high-aluminum ballstone production system, and relates to the technical field of grinding media. Specifically, the production system comprises: a powder supply unit for supplying powder for a ballstone green body; the forming unit is used for pressing and forming the powder to obtain a rough blank; the isostatic pressing unit is used for carrying out isostatic pressing treatment on the rough blank to obtain a finished blank; and the firing unit is used for firing the fine blank. According to the utility model, the density, the density uniformity and the sphericity of a finished blank are effectively improved based on a two-time molding process of compression molding-isostatic pressing densification treatment, so that the subsequent required firing temperature is reduced, and the energy consumption is reduced. Meanwhile, the abrasion of the finished high-aluminum ballstone is lower, and the breakage rate is lower.

This application relates to the field of building materials and discloses a low-carbon silicate cement clinker and its preparation method. The low-carbon silicate cement clinker, by weight, comprises the following components: copper smelting sludge, limestone, sandstone, coal gangue, iron tailings, and a carbonaceous reducing agent. On one hand, the firing temperature of this invention is 50-100°C lower than the conventional silicate cement clinker firing temperature of 1450°C, reducing coal consumption without affecting the quality of the silicate cement clinker. On the other hand, the cement clinker prepared by this invention can consume a large amount of copper smelting sludge. Through high-temperature firing, it can effectively solidify the heavy metal elements in the copper smelting sludge, and utilize the non-carbonate calcareous materials in the copper smelting sludge to replace part of the limestone, significantly reducing carbon dioxide emissions. Simultaneously, it can achieve resource utilization of various industrial waste residues, which has significant economic, low-carbon, and environmental benefits.

This invention discloses a low-temperature rapid-fired high-density building ceramic brick and its preparation method, belonging to the technical field of building ceramic materials. The ceramic brick uses potassium-sodium feldspar, kaolin, clay, quartz sand, calcined talc, wollastonite, waste ceramic powder, a low-temperature eutectic densifying component, sodium carboxymethyl cellulose, sodium polycarboxylate dispersant, and water as raw materials. The low-temperature eutectic densifying component has a borosilicate glassy phase coating layer, lithium aluminum silicon crystal nuclei, and a calcium-magnesium flux phase. The brick is prepared by ball milling, spray granulation, aging, pressing, drying, and rapid firing. This invention can promote liquid phase wetting, interstitial filling, and glassy phase bridging under low-temperature rapid firing, improving density, mechanical properties, and the utilization rate of waste ceramic powder.

The present application relates to the technical field of refractory materials, and particularly relates to a preparation method of zircon mullite bricks with ultra-low apparent porosity prepared by using microporous zircon mullite composite materials at low temperature, which comprises the following steps: mixing a mixed slurry of microporous zircon mullite composite materials with particle sizes of 3mm≤d1<5mm, 1mm≤d1<3mm and 0.074mm≤d1<1mm, zirconium silicon ash, active ρ-Al2O3 and dextrin solution, and a mixture of microporous zircon mullite composite materials with particle sizes of 0mm<d1<0.074mm, calcined a-Al2O3 powder, metallic silicon and Suzhou soil, then pressing, low-temperature sintering, obtaining zircon mullite bricks, and soaking the zircon mullite bricks in high-permeability silicon sol and drying to obtain zircon mullite bricks with ultra-low apparent porosity. The zircon mullite bricks with ultra-low apparent porosity prepared by the method have improved compression strength and erosion resistance on the basis of maintaining low thermal conductivity, and realize direct application of microporous system raw materials to high-temperature working surfaces.

The present invention provides a ceramic product and a preparation method thereof. The ceramic product, in parts by weight, comprises the following raw materials: 50-70 parts of modified clay, 5-15 parts of wollastonite, 8-12 parts of talc, 10-20 parts of kaolin, 5-15 parts of diopside, 12-22 parts of high-alumina sand, and 3-8 parts of bentonite. The ceramic product prepared by the present invention has low production cost, and the prepared ceramic product has good plasticity, excellent mechanical properties, is not easy to crack, and has good stability.

The invention relates to the technical field of refractory brick manufacturing, and discloses a high-purity corundum refractory brick and a manufacturing process thereof. The refractory brick is prepared by mixing the following components: tabular corundum aggregate, boric oxide, aluminum hydroxide, a whisker growth promoter and alumina sol according to a ratio of (5-15): (1-5): (0.5-2): 1: (2-6). The manufacturing process comprises the following steps: S1, preparing aluminum sol; s2, providing tabular corundum aggregate; s3, adding boric oxide, aluminum hydroxide and a whisker growth promoter into the aluminum sol to obtain a mixture; s4, adding tabular corundum aggregate into the mixture to obtain a brick material; s5, feeding the brick material into a mold, pressing and baking, and demolding to obtain a green brick; s6, sintering the green brick to obtain the refractory brick. The firing temperature of the high-purity corundum refractory brick can be reduced, and the purity and high-temperature use performance of the refractory brick can be improved.

The invention discloses a low-expansion ceramic product prepared from glass ceramic leftover materials and a preparation method of the low-expansion ceramic product. A green body of the low-expansion ceramic product is prepared from the following raw materials in percentage by weight: 40 to 50 percent of glass ceramic leftover materials, 35 to 42 percent of watery kaolin, 8 to 12 percent of talc, 5 to 10 percent of sintered Datong soil, 1 to 5 percent of tantalum oxide and 1 to 5 percent of niobium oxide. The preparation method comprises the following steps: weighing green body raw materials of a low-expansion ceramic product according to a formula, and carrying out ball milling, sieving, iron removal, filter pressing dehydration, pugging, molding, glazing and sintering to obtain the low-expansion ceramic product. The product can be used for making ceramic products such as direct firing and cooking utensils matched with electric appliances, not only has the decorativeness of domestic ceramics, so that the appearance is more attractive, but also has the functions of low expansion and heat resistance, can be used on an induction cooker after being metalized, and is safe, stable, healthy and sanitary; the preparation method disclosed by the invention is simple in process, low in cost and convenient to use, thereby having a wide market prospect.

The invention belongs to the technical field of pressure-sensitive aluminum paste, and particularly relates to pressure-sensitive aluminum paste and a preparation method thereof. The aluminum alloy material comprises the following components in parts by weight: 60-85 parts of aluminum powder and aluminum-zinc alloy powder, in the aluminum powder and the aluminum-zinc alloy powder, zinc accounts for 10-20 parts, and in the aluminum-zinc alloy powder, the mass fraction of aluminum is 60-80%; 2-9 parts of nickel powder; the particle size of the nickel powder is 0.4-0.8 [mu] m; 4-8 parts of an organic carrier; 2-4 parts of glass powder; and 1-3 parts of an additive. The pressure-sensitive aluminum paste prepared by the invention has the characteristics of low cost, strong adhesive force, high sintering efficiency and the like by controlling the addition amount of the nickel powder and the additive with specific composition.

The invention relates to the technical field of ceramic metallization, in particular to a preparation process of a metallized ceramic substrate, which comprises the following steps: firstly preparing a ceramic substrate containing transition metal oxide, then preparing metallized slurry containing ethylene-vinyl alcohol copolymer modified phenolic resin, and finally printing or coating the metallized slurry on the surface of the ceramic substrate, thereby obtaining the metallized ceramic substrate. The tensile strength of the metalized layer of the metalized ceramic substrate prepared by the method disclosed by the invention reaches more than 40MPa, and the metalized ceramic substrate has a wide application prospect in the fields of LED (Light Emitting Diode) heat dissipation substrates, ceramic packaging, electronic circuit substrates, semiconductor packaging and the like.

The invention relates to the technical field of honeycomb ceramics, in particular to a honeycomb ceramic carrier for a ship and a preparation method. The raw materials comprise a first inorganic powder material, a second inorganic powder material, an organic powder material, a lubricant and water, the first inorganic powder material comprises cordierite powder, the second inorganic powder material comprises iron oxide, and the organic powder material comprises a graphene precursor, shell powder and cellulose; the porosity of the cordierite powder is 54-57%, the median pore diameter is 17-20 microns, and the particle size D50 is 40-50 microns. The cordierite serving as a raw material can be used as a eutectic component to reduce the temperature for synthesizing the honeycomb ceramic carrier, and the cordierite serving as a seed crystal can promote the other components to synthesize the cordierite, promote crystallization and growth of crystals and increase the strength of the carrier for the high-porosity ship; the composite material has the advantages of thin wall, high porosity, high strength and low cost.

The invention discloses a colored glaze material for handicrafts and a preparation method and application thereof, and belongs to the technical field of colored glaze manufacturing. The raw materials comprise the following components in parts by weight: 100 parts of quartz, 35-40 parts of sodium hydroxide, 11-18 parts of borax, 2.5-4 parts of fluorite, 3-5.5 parts of calcined kaolin, 0.8-2 parts of aluminum oxide, 2.1-3 parts of spodumene, 2.5-3.5 parts of sodium nitrate, 1.5-2 parts of sodium silicate, 2-3 parts of cryolite and 0.8-1.5 parts of a clarifying agent. The preparation method comprises the following steps: respectively crushing and sieving the raw materials except the borax, ball-milling and drying, sieving and magnetically separating to remove iron; 2) mixing the raw materials except the borax in parts by weight, adding the borax and the sodium hydroxide to obtain a mixed material, and 3) adding the mixed material in three times at 1395-1405 DEG C, and carrying out heat preservation melting to obtain the molten colored glaze material. The colored glaze material is high in transparency and good in strength, is suitable for exquisite and thin parts in a manufacturing process, is not easy to crack, and can effectively improve the finished product rate of colored glaze crafts.

The invention relates to a ternary low-calcium mineral-based high-activity auxiliary cementing material and a preparation method thereof, and belongs to the technical field of building materials, the material is a # imgabs0 # ternary low-calcium mineral-based high-activity auxiliary cementing material, and is prepared by uniformly mixing calcium, siliceous and sulfur raw materials in proportion, and then sequentially carrying out high-temperature calcination, cooling, grinding and semi-dry carbonation. The 7-day activity index is greater than 80%, and the 28-day activity index is greater than 95%. All devices used in the preparation method are conventional equipment in the prior art, and the process is simple and convenient; the used raw materials are relatively common, so that the method is suitable for industrial production and has important significance on low carbon and energy conservation of the cement; the SCM prepared through carbonation not only reduces early hydration heat release of cement, but also contains a small amount of # imgabs 1 # to improve the early strength of the cement, and C2S hydration improves the middle and later strength of the cement; amorphous silica gel generated by carbonation can react with a cement hydration product Ca (OH) 2 to generate C-S-H, high-activity calcium carbonate and calcium sulfate are beneficial to formation and stabilization of ettringite, and the strength of cement is improved.

The invention belongs to the technical field of electric porcelain glazes, and specifically relates to a glaze for electric porcelain repair and a preparation method thereof. The electric porcelain repair glaze comprises the following raw materials in parts by weight: 25-28 parts of potassium feldspar, 5-10 parts of modified sepiolite, 8-15 parts of spodumene, 8-10 parts of calcite, 3-5 parts of calcined talc, 10-13 parts of quartz, 1.5-3 parts of aluminum powder, 4-6 parts of zirconium silicate, 6-8 parts of longyan soil, 1-3 parts of nano lanthanum zirconate, and 0.5-1.6 parts of carboxymethyl cellulose; the modified sepiolite of the invention can reduce the drying and firing shrinkage of the glaze, reduce bending deformation, and is not easy to form defects such as pinholes. It is used in combination with nano lanthanum zirconate, spodumene, calcined talc and other components to reduce the firing temperature. When used for defect repair, the glaze surface is flat and has good weather resistance and mechanical strength. In addition, the electric porcelain repair glaze of the invention can reduce the firing temperature under the premise of ensuring the quality of the glaze surface, saving energy and cost.

The invention relates to a preparation method of a non-slip anti-fouling ceramic tile, which comprises the following steps: mixing non-slip particles and transparent glaze slip to prepare non-slip glaze, and then applying the non-slip glaze on the surface of a ceramic tile green body, and is characterized in that the ball milling fineness of the transparent glaze slip is 0.3-0.5% by weight of 325-mesh screen residue, and the ball milling fineness of the transparent glaze slip is 0.3-0.5% by weight of 325-mesh screen residue; the anti-slip particles comprise the following components in percentage by weight: less than 0.5% of a material on a 80-mesh screen, 30-35% of a material on a 100-mesh screen, 75-80% of a material on a 120-mesh screen and 95-98% of a material on a 250-mesh screen. The ceramic tile prepared by the invention has very excellent anti-skid performance, provides more powerful safety guarantee for users, and also has the advantages of very excellent anti-fouling performance and the like.

This invention relates to an ultra-low temperature ceramic binder, which is mainly composed of the following raw materials in the indicated mass percentages: Bi₂O₃: 40-80%, B₂O₃: 5-15%, ZnO: 10-35%, SiO₂: 0-5%, Li₂O: 0.5-3%, TiO₂: 0-5%, CaF₂: 2-10%, Y₂O₃: 0-5%. This binder can be fired at a minimum temperature of 400°C and softened at a minimum temperature of 320°C. It enables the ceramic binder to achieve bonding and consolidation before the polymeric pore-forming agent and temporary polymeric binder burn off, maintaining the integrity of the pore structure while achieving a high porosity. Furthermore, using this ceramic binder and a preferred polymeric pore-forming material, it is possible to construct spherical pores with interconnected microscopic gaps, and the pore size can be controlled during preparation.

The present invention belongs to the technical field of surface decoration of building ceramics, and specifically relates to a method for preparing highly acid-resistant willemite crystalline glaze building ceramics by using local phase separation. The method comprises the following steps: applying a base glaze on the surface of a ceramic tile blank; inkjet printing a glue pattern on the surface of the tile blank after applying the base glaze; applying seeding agent particles on the surface of the tile blank after the glue pattern is inkjet printed, and removing excess seeding agent particles that are not bonded after the glue is cured; drying, firing, and polishing the tile blank after applying the crystalline base glaze to obtain the highly acid-resistant willemite crystalline glaze building ceramics. The present invention optimizes the formula composition of willemite crystalline glaze and seeding agent, and uses seeding agent particles to regulate the local phase structure of the amorphous phase on the surface of the willemite crystalline phase, thereby improving the chemical stability of willemite crystals, and then greatly improving the acid resistance of willemite crystalline glaze building ceramics.

The invention provides a cementing material for comprehensive utilization of solid waste and a preparation method thereof, and relates to the technical field of cementing materials, the cementing material comprises a cementing main body material and an alkali-activated catalyst, and the weight of the alkali-activated catalyst accounts for 5-9% of the weight of the cementing main body material; wherein the gelling main body material is prepared from the following raw materials in parts by weight: 0.05 to 0.15 part of cement clinker powder, 0.05 to 0.15 part of desulfurized gypsum, 0.1 to 1 part of water granulated slag / mineral powder, 0.1 to 0.15 part of ferrosilicon ash and 0.008 to 0.016 part of a reinforcing auxiliary agent. The preparation method comprises the processes of ingredient mixing, dispersion mixing, mechanical forming, mechanical compaction, maintenance, finished product obtaining and the like. The alkali-activated catalyst is added into the solid waste to enhance the breaking strength, compressive strength and the like of the cement mortar sample strip, and the raw materials are wide in distribution, easy to obtain and low in cost; the firing temperature in the preparation process is low, and energy is saved; the prepared product is high in strength and small in specific surface area.