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31 results about "Ceramic industry" patented technology

A ceramic waste gas desulfurization and dust removal device

The present invention belongs to the technical field of ceramic waste gas treatment, and in particular, relates to a ceramic waste gas desulfurization and dust removal device, including a desulfurization tower, a wet electrostatic precipitator mechanism and a PLC controller. The desulfurization tower and the wet electrostatic precipitator mechanism are connected through a flue gas conveying channel, and the lower end of the desulfurization tower is fixedly connected to an inlet flue. The present invention adopts a one-stop purification equipment, which occupies a small area and can achieve a good treatment effect on multiple pollution factors such as particulate matter, sulfur dioxide, nitrogen oxides, etc. in the flue gas at one time. The desulfurization process technology is mature, and the desulfurization efficiency is greater than 99%, which can meet the flue gas treatment needs of various capacities. The wet electrostatic precipitator has high efficiency, and uses water spraying to clean the dust on the electrode surface. There is no secondary dust generation, which can ensure that the dust emission concentration at the outlet of the dust collector is ≤5mg / Nm 3 It can better adapt to the current environmental protection management status of the building ceramics industry, has good market promotion value, and has significant environmental and resource benefits.
Owner:QINGYUAN SHUNCHANG CERAMICS CO LTD

Ceramic industry carbon footprint accounting method and system based on PINN and multi-level process path modeling, medium and processor

The invention provides a ceramic industry carbon footprint accounting method and system based on PINN and multi-level process path modeling, a medium and a processor, and the method comprises the steps: S1, constructing a level process path network based on a process node and a carbon factor interface according to a ceramic processing process; s2, analyzing the hierarchical process path network, and determining an application hierarchy of a PINN model; s3, constructing a PINN model corresponding to the application hierarchy and training the PINN model; s4, fusing the trained PINN model and the hierarchical path network, and performing carbon emission prediction; and S5, real-time on-line monitoring of actual carbon emission data is carried out, and comparison evaluation is carried out on the actual carbon emission data and a prediction result so as to correct the prediction precision of the PINN model. The method can comprehensively consider the thermodynamic mechanism and the data-driven prediction capability, has the advantages of physical consistency, strong generalization capability, online deployment and the like, and effectively solves the problems of strong static property, poor physical consistency, weak regional adaptability and the like of the existing accounting model.
Owner:STATE GRID JIANGXI ELECTRIC POWER CO LTD ECONOMIC & TECH RES INST +1

Reinforcing device and method for kiln industry accumulation layer foundation

The invention provides a device and a method for reinforcing a kiln industry accumulation layer foundation, and belongs to the technical field of foundation reinforcement. The reinforcing device comprises a suction assembly and a jet flow assembly, and the reinforcing method comprises the steps that the suction assembly and the jet flow assembly are arranged on the two sides of the masonry wall correspondingly, and a closed suction channel is formed in a kiln stacking layer through a pump suction pipe in the suction assembly and a jet flow pipe in the jet flow assembly; and after air in the gaps is pumped away through the suction assembly, liquid soil is poured into the kiln industry accumulation layer through the jet flow assembly, the gaps in the foundation to be reinforced are filled with the liquid soil under the traction of negative pressure, and the kiln industry abandoned soil foundation reinforced by the liquid soil is formed. According to the reinforcing device and method for the kiln industry accumulation layer foundation, directional pouring of liquid soil can be achieved, the original state of the foundation soil cannot be damaged, reverse removal under necessary conditions can be achieved, the filled foundation structure can be recovered, the historical styles and features can be reserved, and the purpose of lossless reinforcing is achieved.
Owner:NO 2 CONSTR GRP CO LTD OF SHANGHAI CONSTR GRP

Low-expansion ceramic cookware blank with low water absorption rate and high thermal shock resistance and preparation method of cookware product of low-expansion ceramic cookware blank

The invention discloses a low-expansion ceramic cookware blank with low water absorption and high thermal shock resistance and a preparation method of a cookware product. The blank is prepared from the following raw materials: 25 to 45 weight percent of fused quartz, 5 to 10 weight percent of potassium feldspar powder, 15 to 25 weight percent of washing mud, 10 to 20 weight percent of knar clay, 8 to 12 weight percent of chlorite, 3 to 7 weight percent of ball clay, 5 to 10 weight percent of microcrystalline glass leftover material and 5 to 10 weight percent of activated aluminum oxide. The ceramic blank is sintered at the temperature of 1240-1260 DEG C. The water absorption rate of the obtained cookware product is 4.5-5.8%, the expansion coefficient alpha (800-20 DEG C) is less than or equal to 1.6 * 10 <-6 > / DEG C, and the thermal shock resistance is that the cookware product does not crack after being cooled by water for five times at the temperature of 460-20 DEG C. Through formula design, the technical problem that in the prior art, a fused quartz formula system is large in water absorption is solved, the prepared ceramic pot product is low in water absorption, thermal shock resistance and other properties are remarkably improved, the use requirements of low-expansion ceramic products such as a heat-resistant pot can be well met, and the requirements for matched use of electric appliances, high-temperature resistance and the like can be met. And the technical progress and application development of the low-expansion ceramic industry can be promoted.
Owner:JINGDEZHEN CERAMIC UNIV

Industrial preparation method of nano yttrium oxide for electronic ceramics

The invention discloses an industrial preparation method of nano yttrium oxide for electronic ceramics, belonging to the field of rare earth hydrometallurgy technology. The invention first dissolves yttrium oxide in nitric acid to remove anionic impurities in yttrium oxide, then removes impurities through (NH4)2S solution to obtain a high-purity yttrium nitrate solution, then precipitates yttrium carbonate crystals through ammonia water and ammonium bicarbonate solution, and finally calcines and decomposes to obtain nano yttrium oxide for electronic ceramics. The yttrium oxide obtained by the invention is nano-sized, has a high specific surface area, and is easy to disperse. It is suitable for the electronic ceramic industry, especially for industrial production, and has broad application prospects.
Owner:BAOTOU RESEARCH INSTITUTE OF RARE EARTHS +1

Fluorine-free and acid-free method for recovering high-grade quartz from sulfide tailings

The invention discloses a fluoride-free and acid-free method for recycling high-grade quartz from sulfide tailings, and belongs to the technical field of comprehensive utilization of mineral resources. According to the method, through the technical route of directional grading pretreatment and fluoride-free and acid-free collaborative reverse flotation separation, the separation problem of quartz and gangue minerals in the sulfide tailings is effectively solved, the quartz concentrate with the SiO2 grade larger than or equal to 90% is obtained, the cost of a beneficiation reagent per unit quartz concentrate is smaller than 50 yuan / ton, and the standard requirements of the glass and ceramic industry are met. The method not only improves the quartz recovery rate, but also effectively avoids fluoride and acid wastewater pollution in the traditional process, has good environmental protection property and economical efficiency, is suitable for large-scale industrial production, and provides a new technical solution for resource utilization of the sulfide tailings.
Owner:KUNMING METALLURGY INST +1

Tableware with antique white effect

The utility model relates to the technical field of ceramic industry, and discloses antique white effect tableware which comprises a bowl, a partition plate and a sucker component, the bowl comprises a bowl body, a base is fixedly arranged at the lower end of the bowl body, a through hole is formed in the lower portion of one side of the base, a threaded column is fixedly arranged in the middle of the inner bottom surface of the bowl body, and the partition plate is arranged on the threaded column. The partition plate comprises a plate body, a threaded sleeve is fixedly arranged at the lower end of the plate body, a plurality of leakage holes are formed in the front end of the plate body, the suction cup assembly comprises a suction cup body and an insertion pipe, a suction cup cover is fixedly arranged at the lower end of the suction cup body, an annular groove is formed in the upper end of the suction cup body, and a groove is formed in one side of the suction cup body. And a spring is fixedly arranged on the inner wall of one side of the groove. According to the tableware, seasoning in soup can be filtered through the partition plate, the tableware is convenient and flexible to use, the tableware can be stably sucked on a table top, and the soup in the tableware does not need to be vigorously prevented from being spilled out when the tableware is taken up.
Owner:JEWELMOON CERAMICS CO LTD

Non-afterburning type natural gas distributed energy waste heat utilization control system

The utility model relates to the technical field of waste heat utilization in the ceramic industry, and discloses a non-afterburning type natural gas distributed energy waste heat utilization control system which comprises a main flue, a natural gas generator set, a hot blast stove, a spray tower, a main control device, a data acquisition assembly and a control assembly. The hot-blast stove is communicated with the spray tower, and a connection port is formed in a communication path; the flue gas exhaust end of the natural gas generator set is connected to the connection port through the main flue; a bypass chimney is arranged on the main flue close to the natural gas generator set; a branch pipeline communicated with the atmosphere is arranged on the main flue close to the connection port; the control assembly is connected with the main flue, the bypass chimney and the branch pipeline; the data acquisition assembly is mounted at the flue gas exhaust end and the connection port of the natural gas generator set and in the spray tower; the main control device is in communication connection with all units; a non-afterburning mode is adopted, smoke waste heat of a natural gas generator set is mixed with hot air of a hot air furnace to be supplied to a spray tower, existing resources of enterprises are utilized to the maximum extent, and an economical and feasible energy-saving and carbon-reducing transformation mode is achieved.
Owner:CCTEG CHONGQING ENG CO LTD +1

Building ceramic tile water absorption tester

The utility model discloses a water absorption tester for building ceramic tiles, which is characterized in that a stacked bearing foot stool and an insertion hole fixing structure enable equipment to be more convenient to store and transport, a plurality of units can be stacked and stored, the space is effectively saved, and the water absorption tester is particularly suitable for batch detection scenes. In the aspect of operation, the upper-layer water storage tank is open, accurate water injection is facilitated, reliable reference water volume is formed, the water level naturally drops, the water absorption dynamic state of the ceramic tile can be visually presented, and manual intervention or external device intervention is not needed. After water absorption is completed, a valve at the bottom of the water collecting hopper is opened, residual water is discharged into the lower-layer water storage tank through the funnel-shaped water collecting hopper, a vertical stacking drainage path simplifies operation, and personal errors are reduced. The water level can be directly observed and recorded through a transparent window and a graduated scale of the lower-layer water storage tank, and mechanical visual metering is visual and reliable. The whole equipment replaces part of electronic components through mechanical modular design, hardware configuration is simplified, the manufacturing cost is reduced, meanwhile, the durability is enhanced through a welding and fixing connection mode, the maintenance requirement is reduced, and an efficient, economical and high-adaptability detection tool is provided for the architectural ceramic industry.
Owner:GUANGDONG TONGHUI INSPECTION CENT CO LTD

Sealing dustproof transmission device

The utility model discloses a sealing dustproof transmission device, which belongs to the technical field of roll shaft conveying and comprises an oil groove, angle steel, a base and a surface cover, the oil groove, the angle steel, the base and the surface cover are sequentially connected to form a sealing cavity, and transmission teeth are arranged in the sealing cavity; a sealing rubber strip is arranged on the side, close to the angle steel, of the oil groove, extends in the length direction of the oil groove and abuts against the angle steel. The sealing dustproof transmission device solves the problem that when existing roller shaft conveying is applied to the ceramic industry, a gear bearing can be affected by dust.
Owner:FOSHAN BANGSHENGWEI PRECISION MFG TECH CO LTD

A method for producing porcelain clay from waste porcelain powder

The application discloses a production method of porcelain mud made of waste porcelain powder, and belongs to the technical field of ceramic materials. The method comprises the following steps: step 1, adding waste porcelain powder, sodium feldspar, potassium feldspar, ball clay, high-white primary ore, modified kaolin and calcined talc into a ball mill according to weight parts, adding water, ball-milling and mixing for 24-36 hours to obtain mud; and step 2, screening the mud obtained in step 1 to remove iron, pressure filtering, and refining the mud to obtain porcelain mud. The modified kaolin in the application has high dispersing performance and is not prone to agglomeration, and the mixing effect is excellent. The porcelain mud made of waste porcelain powder in the application has high plasticity and is not prone to cracking, dry shrinkage and other phenomena in the use process; the application not only effectively utilizes the waste porcelain powder generated by the ceramic industry, but also widens the production method of porcelain mud, and has great significance for the ceramic industry.
Owner:HUNAN NEW CENTURY CERAMICS

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

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

A deagglomerant for improving the thixotropy of a mud and a method of making the same

ActiveCN116003142BPolymer sciencePhosphate
The application relates to the technical field of ceramic industry, and provides a debonding agent capable of improving the thixotropy of mud and a preparation method thereof. The debonding agent comprises the following raw materials in parts by weight: 5-12 parts of enzymatic hydrolysis lignin, 3-10 parts of amino acid, 3-10 parts of glyoxal, 6-15 parts of methylene phosphonate, 6-15 parts of polyoxyethylene ether, 5-10 parts of polyethylene glycol diacrylate, 5-10 parts of acrylic monomer, 1.5-5 parts of cyclotriphosphazene crosslinking agent, 1-5 parts of silicate and 0.5-3 parts of tannic acid; the amino acid modified lignin is obtained through crosslinking reaction of enzymatic hydrolysis lignin, amino acid and glyoxal; the enzymatic hydrolysis lignin, amino acid, glyoxal, polyethylene glycol diacrylate, acrylic monomer and cyclotriphosphazene crosslinking agent are polymerized to form a crosslinking network, and the tannic acid is doped in the crosslinking network structure. The debonding agent provided by the application is compounded by using a polymer crosslinking structure and various functional raw materials, has good fluidity and thixotropy, and has very excellent debonding effect.
Owner:FOSHAN SHANYOUHAI TECH CO LTD

Calcium-rich and aluminum-rich frit for Ru porcelain glaze as well as preparation method and application of calcium-rich and aluminum-rich frit

The invention belongs to the technical field of ceramic materials and production processes, and particularly relates to a calcium-rich and aluminum-rich frit for Ru porcelain glaze and a preparation method and application thereof.The frit is designed based on the composition near the eutectic point of 1265 DEG C in a CaO-Al2O3-SiO2 ternary phase diagram, calcium-rich and aluminum-rich components in raw Ru porcelain glaze can be flexibly introduced into the frit, and the calcium-rich and aluminum-rich frit is prepared. The problems of narrow sintering temperature and color fluctuation of the raw Ru porcelain glaze are solved. The frit is prepared from potassium feldspar, wollastonite, calcite, alumina micro powder, quartz and sodium fluoride, and the chemical composition of the frit is as follows: 41.70 wt.% of SiO2, 19.96 wt.% of Al2O3, 35.37 wt.% of CaO, 1.60 wt.% of K2O and 1.37 wt.% of Na2O. The preparation process comprises the following steps: mixing dry materials for 3-5 times, sieving with a 200-mesh sieve each time, putting into a corundum crucible, firing at 1280 DEG C for 5 hours, keeping the temperature for 30 minutes, opening a kiln door, and pouring the molten melt into water at 25 DEG C to obtain the frit. The energy required for melting the frit added into the glaze is much smaller than the energy required for breaking the bond energy of crystals by the raw material, so that a liquid phase can be formed in a short time to melt quartz, clay and other substances, the chemical reaction of the glaze layer is gently carried out, the color generation of Ru porcelain can be effectively stabilized, and the firing range can be widened; the method has a wide application prospect in the Ru porcelain industry and the ceramic industry.
Owner:PINGDINGSHAN UNIVERSITY

Preparation method of super-smooth white glaze for daily use porcelain

The application discloses a preparation method of super-smooth daily-use porcelain white glaze, which completely replaces traditional quartz as a main silicon source with an industrial by-product lithium residue, introduces bismuth oxide (Bi2O3) as an efficient fluxing agent, and supplements tin oxide (SnO2) and antimony oxide (Sb2O3) as functional additives to form a K-Na-Ca-Mg-Sb-Bi multi-element eutectic system; and introduces potassium nitrate (KNO3) as an oxidation stabilizer to inhibit the precipitation of bismuth-based microcrystals and eliminate the yellowing phenomenon of the glaze surface caused by the change of the valence of bismuth elements, so that high-quality glaze surfaces with super-smooth surfaces and high whiteness are successfully obtained while the firing temperature is significantly reduced. The application significantly reduces the dependence on traditional non-renewable mineral resources such as high-grade quartz and feldspar, saves the raw material cost, meets the needs of green environmental protection and circular economy development, and provides a new path for the sustainable development of the ceramic industry.
Owner:JINGDEZHEN ZHIYINLAN CERAMICS CO LTD +1

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

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

Dust removal and denitration multifunctional filter material with flower-shaped catalytic interface, preparation method and application

The application belongs to the technical field of functional composite filter material, and particularly relates to a dust removal and denitration multifunctional filter material with flower-shaped catalytic interface, a preparation method and application. The preparation raw material of the dust removal and denitration multifunctional filter material comprises an active stock solution and a filter material substrate. The active stock solution comprises, in percentage by mass, 10-45% of active component precursor and 5-15% of morphology aid. The active component precursor comprises titanium salt, chromium salt, manganese salt and lanthanum salt, and the molar ratio of Ti / Cr / Mn / La elements in the active component precursor is 1:(0.5-0.8):(0.3-0.9):(0.1-0.4). The morphology aid comprises bismuth salt, nitrogen salt, cerium salt and molybdenum salt, and the molar ratio of Bi / N / Ce / Mo elements in the morphology aid is 1:(0.1-0.7):(0.3-0.8):(0.1-0.5). The dust removal and denitration multifunctional filter material is composed of the filter material substrate and the flower-shaped catalytic interface wrapped on the surface of the filter material substrate. The application has important significance for the popularization and application of the synergistic dust removal and denitration technology in the ceramic industry and the like.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Ceramic microstructure digital identity authentication system and method

The present invention discloses a digital identity authentication system and method for ceramic microstructures. The ceramic microstructure images are collected through a high-resolution microscope, the feature information is extracted using advanced image processing technology, a digital signature is generated through an encryption algorithm, and the distributed ledger, non-tamperability and encryption technology characteristics of the blockchain are utilized to store the digital signature and related ceramic information on the chain, thereby realizing multi-node joint maintenance and verification. The authentication system and authentication method can ensure the authenticity, integrity and traceability of ceramic microstructure data, effectively solve the problems of authenticity identification and traceability in the ceramic market, provide strong technical support for quality control, cultural relics identification and market regulation in the ceramic industry, and have significant innovation, practicality and reliability.
Owner:NINGBO DAHONGYING UNIV

A ceramic body reinforcing agent and a method for preparing the same

The application relates to the technical field of ceramic industry, and provides a ceramic body reinforcing agent and a preparation method thereof.The ceramic body reinforcing agent comprises the following raw materials in parts by weight: 10-22 parts of a polydopamine modified bentonite-polyphosphate calcium composite material, 6-15 parts of a lignin modified inorganic particle, 5-12 parts of sepiolite powder, 3-10 parts of an inorganic binder, and 0.1-2 parts of a sodium lithium magnesium silicate salt; the polydopamine modified bentonite-polyphosphate calcium composite material is generated by the reaction of bentonite, nanometer silicon dioxide, a hydrocarbyl sulfonate, dopamine hydrochloride, aluminum chloride and polyphosphate calcium; and the lignin modified inorganic particle is generated by the reaction of an inorganic particle and alkali lignin.The ceramic body reinforcing agent has the advantages of small use amount and great enhancement of the structure strength of the body, and can greatly improve the strength of the ceramic body without affecting the fluidity of the slurry.
Owner:FOSHAN SHANYOUHAI TECH CO LTD

Treatment method of BaSO4 by-product in tetragonal-phase BaTiO3 prepared based on industrial titanium dioxide

The invention belongs to the technical field of electronic materials, and discloses a treatment method of a BaSO4 by-product in tetragonal-phase BaTiO3 prepared based on industrial titanium dioxide. The method comprises the following steps: putting an initial product into a sodium carbonate solution, stirring, carrying out suction filtration after the reaction is ended, and washing to obtain a tetragonal-phase BaTiO3 product containing a BaCO3 byproduct; and treating the by-product in an acetic acid solution, carrying out suction filtration, washing with water, and drying at 60-80 DEG C to obtain pure-phase tetragonal-phase BaTiO3. According to the invention, industrial titanium dioxide is used as a raw material to prepare tetragonal-phase barium titanate with more excellent electrical properties, efficient impurity removal for targeted removal of barium sulfate is realized, the method is a critical path for realizing low-cost and large-scale production of high-performance barium titanate powder, the cost of high-end electronic ceramic powder is greatly reduced, and the method has remarkable economic benefits and is suitable for industrial production. The application of the barium titanate-based electronic element in the wider fields of MLCC, high-power PTC and the like is promoted, and the method has important significance on efficient utilization of resources and green and sustainable development of the electronic ceramic industry.
Owner:BAOJI UNIV OF ARTS & SCI

Iron removal and coarse crushing device for ceramic raw materials

The utility model discloses a ceramic raw material deironing and coarse crushing device which comprises a crushing cabin, a crushing assembly, a magnetic separation assembly, a feeding hopper, a separation hopper and an output assembly. The crushing assembly is arranged in the crushing cabin, comprises a main shaft rod, a driving motor, a crushing rotating wheel and a fixed ring wheel, and is used for carrying out coarse crushing treatment on the raw materials. The magnetic separation assembly comprises a flow guide box and a magnetic rod, the flow guide box is movably arranged in the separation hopper and is driven by a linear vibrator to achieve high-frequency vibration, and the magnetic rod is used for adsorbing iron impurities in the ceramic raw materials. The main shaft rod is connected with the crushing rotating wheel and sleeved with the fixed ring wheel to form a crushing cavity. The flow guide box drives materials to pass through the magnetic separation area in the vibration process to achieve iron removal. The device realizes continuous crushing and synchronous iron removal of ceramic raw materials, is compact in structure and high in impurity removal efficiency, and is suitable for raw material pretreatment in the ceramic industry.
Owner:CHAOZHOU DAMU CERAMICS CO LTD

Preparation method of imitated chemical tempered ceramic product and ceramic product thereof

The invention discloses a preparation method of an imitated chemical tempered ceramic product and the ceramic product thereof, an expansion irreversible material is added on the surface layer of a ceramic green body, so that surface compressive stress is formed by expansion of a surface layer material and no or little expansion of the green body in a cooling process, and the surface compressive stress is similar to that of chemically tempered glass; the shrinkage of the ceramic body is partially or completely counteracted by simulating the pinning effect, so that the breaking strength of the ceramic is remarkably improved, the applicability is high, and the thermal shock damage in the molten salt treatment process in the prior art is also avoided. The preparation and application production are simple and easy to control, the cost is low, the preparation of the thin-body ceramic is facilitated, the usage amount of raw materials for producing the green body can be reduced, high-quality ceramic raw material resources are saved, the production cost is reduced, energy conservation and emission reduction are facilitated, and the method has a good application prospect for sustainable development of the ceramic industry. And the method plays an important role in accelerating ecological civilization construction and realizing green development, and has very high practical value and application prospect.
Owner:JINGDEZHEN CERAMIC UNIV

Method for treating raffinate in copper hydrometallurgy process

The invention discloses a method for treating raffinate in a copper hydrometallurgy process. According to the method, iron in the raffinate can be effectively recovered, and the generation amount of waste residues is greatly reduced. The treatment process comprises the following steps: reacting sodium phosphate with ferric iron to obtain an iron phosphate solid; carrying out solid-liquid separation and washing to obtain an iron phosphate byproduct; calcium hydroxide, sodium hydroxide, calcium oxide or sodium carbonate and the like are added into an aqueous solution to adjust the pH value to 6-9, so that residual ions such as iron, copper, zinc, aluminum and phosphate radicals (in a neutral or weakly alkaline environment, the phosphate radicals, the iron, the aluminum and the like are easier to form insoluble substances) form precipitates and are separated. The water quality after solid-liquid separation reaches the standard and is discharged, or is used for preparing a sodium phosphate solution. Iron phosphate is an important raw material for preparing lithium iron phosphate in a lithium battery, can also be used as a coloring agent, a metal surface treating agent and the like in glass and ceramic industries, and is wide in application.
Owner:SHENZHEN YUEPENG ENVIRONMENTAL PROTECTION TECH +1

Preparation method of ultra-smooth domestic porcelain white glaze

The invention discloses a preparation method of ultra-smooth domestic porcelain white glaze, which comprises the following steps: completely replacing traditional quartz with industrial by-product lithium slag as a main silicon source, introducing bismuth oxide (Bi2O3) as an efficient fluxing agent, and supplementing tin oxide (SnO2) and antimony oxide (Sb2O3) as functional additives to form a K-Na-Ca-Mg-Sb-Bi multi-element eutectic system; and potassium nitrate (KNO3) is introduced as an oxidation stabilizer to inhibit the precipitation of bismuth-based microcrystals and eliminate the yellowing phenomenon of the glaze surface caused by the valence change of the bismuth element, so that the firing temperature is obviously reduced, and meanwhile, the high-quality glaze surface with an ultra-smooth surface and high whiteness is successfully obtained. According to the invention, the dependence on non-renewable mineral resources such as traditional high-grade quartz and feldspar is obviously reduced, the cost of raw materials is saved, the requirements of green environmental protection and circular economy development are met, and a new path is provided for sustainable development of the ceramic industry.
Owner:JINGDEZHEN ZHIYINLAN CERAMICS CO LTD +1

Ceramic tea cup glaze and preparation method thereof

The invention discloses a ceramic tea cup glaze and a manufacturing method thereof, the glaze breaks through tradition, adopts 100% raw ore materials, contains kaolin iron oxide, loess, quartz (SiO2 with specific gravity of 2.22-2.65), feldspar (containing various oxide components) and calcite, does not contain any chemical material, is environment-friendly and harmless, has unique color change, accords with modern aesthetic and green development concepts, and has a good market prospect. The method is an innovative inheritance for ancient non-abandoned processes. The preparation method comprises the following steps: preparing the raw materials in proportion, putting the raw materials into a ball mill, and adding tap water to grind for 18-36 hours; filtering the slurry by using a 80-120-mesh screen, sealing, and aging for seven days in an environment of about 30 DEG C; the aged glaze is applied to the tea cup blank subjected to bottom temperature biscuit firing (800-1000 DEG C) twice, and finally the tea cup blank is put into a kiln to be fired at the high temperature of 1260-1310 DEG C, slowly cooled to 60-30 DEG C and taken out of the kiln. Brand new visual experience is brought to the ceramic tea cup, and ceramic industry innovation and non-abandoned culture inheritance are promoted.
Owner:王新亮

Pressure gauge plunger for platforms for extrusion-based 3D printing of semisolid masses

The pressure gauge plunger for 3D printing platforms is applicable in various 3D printing fields (bioprinting of tissues; and the food, pharmaceutical, and ceramic industries). Its usefulness is rooted in its ability to continuously control the pressure applied during the entire printing process, thanks to the plunger mechanism. It thereby allows improved quality and detection of errors in situ, allowing corrective actions to be applied during the process. The pressure value that the printing platform component exercises on the plunger (and, thus, on the mass to be extruded) is obtained through use of a stress gauge, This continuous control allows profiling of the printed semi-solid mass, permitting the most appropriate printing parameters to be set in situ, further allowing the process to become completely automated.
Owner:UNIV DE LA LAGUNA

High physical property ceramic body and manufacturing method thereof

PendingJP2025011006ACeramic industryBrittleness
To provide a high physical property ceramic which remarkably improves defects such as weakness of low-cost ceramics.SOLUTION: A high physical property ceramic body comprises a sintered body obtained by heating a ceramic industry raw material uniformly including an iron component of 10 wt.% or over at a temperature for sintering, followed by cooling.
Owner:永见 利夫

All-solid-waste-based ceramic rock plate based on low-value solid waste raw materials and preparation method of all-solid-waste-based ceramic rock plate

The invention discloses an all-solid-waste-based ceramic rock plate based on low-value solid waste raw materials and a preparation method of the all-solid-waste-based ceramic rock plate. The ceramic rock plate is prepared from the following raw materials in percentage by mass: 40-80% of a first component, 20-30% of a second component and 0-30% of a third component, wherein the first component is prepared from the following raw materials in percentage by mass: 40-80% of the first component, 20-30% of the second component and 0-30% of the third component; the first component is engineering residue soil, the second component is polishing mud, and the third component is ion adsorption type rare earth tailings, the mineral and chemical components of the engineering residue soil, the polishing mud and the ion adsorption type rare earth tailings are reasonably utilized by adopting a full solid waste base form, the ceramic rock plate is prepared, the sintering temperature is reduced, and the service life of the ceramic rock plate is prolonged. The invention solves the dependence of the traditional ceramic industry on natural minerals, solves the technical problems of high cost and high energy consumption of the ceramic rock plate, and not only realizes the reasonable utilization of waste resources, but also realizes the technical purposes of energy conservation and low carbon.
Owner:GUANGDONG UNIV OF TECH +1

Ceramic substrate surface treatment spraying machine

The invention provides a ceramic base material surface treatment spraying machine which comprises a rack, a conveying device, an adjustable spraying device, a feeding control device and a dustproof device. The conveying device comprises a plurality of driving rollers which are horizontally arranged at intervals; the adjustable spraying device comprises a plurality of nozzle mounting plates, and a plurality of nozzles with upward nozzles are fixedly mounted on the nozzle mounting plates; the feeding control device comprises a high-pressure feeding pipe, a control valve and a flow valve; the spray head is sequentially connected with the control valve, the flow valve and the high-pressure feeding pipe; the dustproof device comprises a dustproof upper cabinet and a dustproof lower cabinet. According to the spraying machine, washing sand tail mud can be used as a raw material to conduct spraying treatment on the surface of a ceramic base material, collaborative development of the washing sand industry and the ceramic industry is promoted, a circular economy mode of'resource-production-waste-recycling 'is constructed, the resource utilization efficiency is improved, and the production cost is reduced. And a new resource supply way is created for related industries, so that the method has remarkable environmental benefits, economic benefits and social benefits and is wide in application prospect.
Owner:FUJIAN DUOWEI INTELLIGENT INNOVATION TECHNOLOGY CO LTD