53 results about "China clay" patented technology

The invention provides a comprehensive utilization method of lithium-containing granite resources, which comprises the following steps: grinding lithium-containing granite raw ore to below 0.6 mm to obtain coarsely ground ore which accounts for 20-35% of the coarsely ground ore with the particle size of 0.6-0.3 mm; carrying out low-intensity magnetic separation and high-background field intensity magnetic separation on the roughly ground minerals to obtain a magnetic substance 1 and a non-magnetic substance 1; the magnetic substance 1 is subjected to regrinding, desliming and flotation to obtain lithium concentrate, and the groove bottom ore pulp 1 is subjected to high background field intensity magnetic separation to obtain porcelain clay; and the non-magnetic substance 1 is subjected to reselection, scrubbing, screening, flotation and the like to obtain tin concentrate, a feldspar product and low-iron quartz sand, and the low-iron quartz sand is subjected to acid pickling to obtain a high-quality quartz sand product. According to the method, the recovery rate of Li2O is increased, besides lithium concentrate, various products meeting market requirements such as feldspar concentrate, low-iron photovoltaic quartz sand, ceramic raw materials and tin-grade concentrate can be obtained, the discharge amount of tailings is low, and the method has the advantages of being high in comprehensive utilization rate of resources and low in processing cost.

1. The name of the design product: whiteness tester. 2. The use of the design product: for measuring the whiteness of paper and paperboard, pulp and chemical pulp, cotton and chemical fiber, textiles, plastics, ceramics, porcelain, starch, salt, white cement, porcelain clay, talc, calcium carbonate, nano calcium carbonate and other objects. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view.

The environment-friendly heat-resistant ceramic clay production equipment comprises a driving base, a charging barrel, a granulation assembly, a rolling assembly and a material mixing guide piece, a speed reduction unit and a main shaft rod are arranged in the driving base, and the main shaft rod is driven by a motor to rotate at low speed and large torque. The granulating assemblies are sequentially arranged above the charging barrel in a sleeving mode, each granulating assembly is composed of a detachable sleeve shell and a granule pore plate, and the pore diameters of the granule pore plates of different layers are gradually decreased step by step; the rolling assembly is composed of a truss rod and rolling blocks at the two ends, a material guiding inclined face, a rolling inclined face and a material discharging face are sequentially formed at the bottoms of the rolling blocks, and guiding, rolling and smooth discharging of materials are achieved. According to the equipment, continuous crushing and particle size control of heat-resistant waste are achieved through a multi-stage rolling and graded diameter control structure, the granulation module can be rapidly replaced according to needs, the equipment has the advantages of being uniform in crushing, adjustable in particle size, automatic in discharging and sufficient in mixing, and the production efficiency and particle consistency of environment-friendly ceramic clay are remarkably improved.

The invention relates to the technical field of a coating process in pulping and papermaking, in particular to a preparation process of a matte white cardboard, which comprises the following steps: grinding and screening raw ore to obtain calcium carbonate with ultrafine particle size distribution, the viscosity of which is 100-150cps, the particle size of which is less than or equal to 2 mu m distribution of 97-99% and the particle size of which is less than or equal to 1 mu m distribution of 79-80%; mixing 100 parts of calcium carbonate with superfine particle size distribution, 0.2 part of a dispersing agent, 0-0.4 part of sodium carboxymethyl cellulose, 10.5-11 parts of styrene-butadiene latex, 0.2 part of a defoaming agent, 0.2 part of a lubricating agent, 0.3 part of a water-resistant agent, 0.15 part of polyvinyl alcohol and 0.1-0.4 part of a rheological agent to prepare a top coating; conveying the prepared topcoat paint to a paper machine, and coating the paper; and drying and coiling the coated paper. By optimizing and improving the particle size distribution of ground calcium carbonate, the consumption of the china clay is reduced, the coating index, the on-machine operation condition and the physical property and printing effect of paper are improved, the matte effect is realized, meanwhile, the dependence on imported china clay is reduced, and the production cost is reduced.

The invention discloses a method for preparing environment-friendly domestic porcelain from waste domestic porcelain, and relates to the technical field of domestic porcelain, and the environment-friendly domestic porcelain is prepared from the following components in parts by weight: 20-25 parts of recycled porcelain powder, 28-38 parts of kaolin, 12-17 parts of porcelain clay, 10-15 parts of quartz, 18-23 parts of albite and 0.2-0.5 part of maltodextrin. The preparation method comprises the following steps: preparing the waste domestic porcelain into recycled porcelain powder; mixing and ball-milling the recycled porcelain powder, kaolin, porcelain clay, quartz, albite and maltodextrin in parts by mass to obtain slurry; squeezing, sinking and pugging the mud to obtain strip mud; molding and glazing the strip clay; and sintering the glazed green body to obtain the environment-friendly domestic porcelain. According to the invention, the resource consumption and environmental pollution can be obviously reduced, the plasticity and molding stability of the pug can be improved, the uniform formation of a glass phase and a mullite crystal phase can be promoted through a specific component ratio and multi-stage sintering, and the qualified rate of finished products is high.

Electric heating device (10), with: a body (20); and a heating head (30) connected to the body (20) and comprising an electric heating wire (31) and a heat storage element (32), wherein the electric heating wire (31) has a first section (311) and a second section (312) with a proximal end connected to the first section (311), wherein the first section (311) is made of pure nickel and the second section (312) is made of ferrochrome, and wherein the heat storage element (32) is mounted around a radial outer circumference of the second section (312), and wherein the heat storage element (32) is made of china clay.

The utility model discloses a china clay iron content detection device which comprises an X-ray fluorescence spectrophotometer body, a partition plate is arranged at the top of the X-ray fluorescence spectrophotometer body, an operation interface is arranged in front of the X-ray fluorescence spectrophotometer body, a sample testing cavity and a detection probe used for containing the X-ray fluorescence spectrophotometer body (1) are arranged on the partition plate, a bottom support is arranged above the sample testing cavity, and the bottom support is connected with the X-ray fluorescence spectrophotometer body (1). A sample cup is arranged above the bottom support, the sample cup is cylindrical, the bottom of the sample cup is open, the sample cup is used for placing a porcelain clay sample, and the bottom support is used for bearing the sample cup and the cut-off film; a baffle and a winding roller are arranged on the partition and located on the two sides of the sample cup respectively, a film outlet is formed in the baffle, a film box is placed on one side of the baffle, a film is pulled out from the outlet and extends to the gap between the bottom support and the sample cup to be placed on the winding roller, and the winding roller winds the film. The utility model belongs to the technical field of china clay iron content detection, and particularly relates to a china clay iron content detection device.

The utility model relates to the technical field of ceramic pressing, and discloses a ceramic pot pressing device which comprises a workbench and a movable plate arranged above the workbench, the upper end of the workbench is fixedly connected with a lower die holder, a U-shaped block is fixedly installed on the outer wall of the lower die holder, the inner wall of the U-shaped block is rotationally connected with a winding wheel, the lower end of the movable plate is fixedly connected with an L-shaped block, and the lower end of the L-shaped block is fixedly connected with the lower die holder. A guide wire hole is formed in the inner wall of the lower die base, a stainless steel wire is fixedly installed at the lower end of the L-shaped block and penetrates through the guide wire to be fixedly connected with the winding wheel, a stepping motor is installed on the outer wall of the U-shaped block, an output shaft of the stepping motor is fixedly connected with the winding wheel, and an inner container is placed in the inner wall of the lower die base and driven by a driving mechanism to rotate. And in the porcelain clay blank pressing process, the stainless steel wires can achieve the trimming effect on the porcelain clay, and the stainless steel wires are thin, small in contact surface and not prone to adhering to the porcelain clay, so that the trimming quality of the blank body is improved, and the blank pressing quality of the blank body is improved.

The present invention discloses a fully automatic elution and sorting method and system for porcelain clay, relating to the technical field of porcelain clay elution and sorting. Specifically, the method comprises the following steps: the porcelain clay raw material is screened by a sieve-belt integrated machine to generate a first oversize material and a first undersize material; the first oversize material is crushed and then screened again by the sieve-belt integrated machine; the first undersize material is washed by a sand washer to generate a second undersize material; the second undersize material passes through a cyclone group to generate a second overflow; the second overflow is subjected to an iron removal treatment and then injected into a slurry tank; the slurry in the slurry tank is subjected to filter pressing and dehydration operations to produce product A. The present invention screens and elutes natural porcelain clay ore to obtain porcelain clay with stable and reliable performance, thereby improving the quality of electrical porcelain products and resolving the problem that natural porcelain clay ore, due to its unstable ore source and large fluctuations in physical and chemical properties, is not conducive to the production of electrical porcelain products.

The invention relates to the technical field of molding of clay or other ceramic components, in particular to a colored glaze decoration process and equipment for a ceramic exquisite vase, and the process comprises the following steps: obtaining porcelain clay, glaze and blue-and-white pigment, and preparing the porcelain clay into a vase blank; drawing an exquisite hole pattern layout on the vase blank by using the blue-and-white pigment, and hollowing and carving exquisite holes to obtain an exquisite blank; uniformly applying a layer of glaze on the exquisite blank, and covering the blank with the glaze; drawing a firing curve, constructing a vase model to simulate firing, and determining firing conditions; according to the method, the glaze-coated blank is fired on the basis of firing conditions, pretreatment and quality detection are carried out, and the finished product ceramic exquisite vase color is obtained, according to the method, the optimal firing temperature and time are simulated and tested on the basis of historical firing and fired finished product parameters, the phenomenon of excessive melting or insufficient melting of glaze is avoided, and meanwhile, the quality of the glaze is improved. Defective products with internal cracks, notches and other defects are removed through flaw detection, the appearance is manually detected, and the color and quality of the ceramic exquisite vase are improved.

The utility model relates to a washing circulating device, belongs to the technical field of porcelain clay processing, and particularly relates to a porcelain clay washing recycling device which comprises a support, the upper end of the support is connected with a vibration washing device, the vibration washing device is provided with a screening and washing box, the upper end of the screening and washing box is provided with a water spraying pipe, and the water spraying pipe is connected with the vibration washing device. Vibration motors are arranged on the two sides of the screening and washing box, a belt type water washing device is arranged at the front end of the screening and washing box, the upper end of the support is connected with the belt type water washing device, the belt type water washing device is provided with a belt with water leakage holes, water spraying pipes are arranged on the two sides of the belt, and a sewage collecting box is arranged below the belt. The internal porcelain clay is flushed by arranging the water spraying pipe, the porcelain clay on the belt is flushed by means of the water spraying pipe by arranging the belt type water washing device, and the flushed water is drained into the corridor sewage collecting box by means of the water leaking holes in the belt, so that the problems of porcelain clay waste and manpower consumption in the prior art are solved.

The utility model relates to the technical field of porcelain clay production, and discloses a porcelain clay stock bin feeding safety protection frame which comprises a stock bin cover plate and a feeding hopper, the lower end of the feeding hopper is communicated with a feeding pipe, a cover plate is installed at the top of the feeding hopper, a packaging bag guide hole is formed in the middle of the cover plate, and an elastic dustproof hopper is installed on the lower side of the packaging bag guide hole. A cutting knife is installed on the upper portion of the inner side of the feeding hopper, a driving assembly is connected between one sides of the two opposite side walls of the feeding hopper, a rotating shaft is installed on one side of the top of the cover plate, multiple beating soft plates are installed on the outer side of the rotating shaft, and a linkage assembly is connected between the rotating shaft and the driving assembly. Compared with the prior art, the feeding device has the advantages that the porcelain clay packaging bag penetrates through the packaging bag guide hole to feed materials into the feeding hopper, and the elastic dustproof hopper is arranged on the outer side of the porcelain clay packaging bag in a sleeving mode, so that dust is prevented from flying outwards in the feeding process; the driving assembly drives the rotating shaft to rotate through the linkage assembly, the rotating shaft drives the multiple beating soft plates to rotate, and caked porcelain clay in the porcelain clay packaging bag is scattered through the beating soft plates.

The invention discloses a high-chemical-stability cloud transmutation glaze and a preparation method thereof, and relates to the technical field of ceramic glazes, and the high-chemical-stability cloud transmutation glaze is prepared from the following components: high-boron frit, low-expansion frit, potassium feldspar, quartz, calcite, calcined talc, calcined zinc oxide, china clay A, china clay B, titanium dioxide, a ceramic colorant and vanadium pentoxide. Wherein the china clay A is selected from kaolin containing 0.05-0.4 wt% of rare earth oxide, and the china clay B is selected from large-particle suspended kaolin with 325-mesh screen residue less than or equal to 0.1% and ignition loss of 5-8%. The high-chemical-stability cloud transmutation glaze provided by the invention has a natural and elegant cloud transmutation artistic effect which is far better than that of the traditional double-layer or multi-layer transmutation glaze; the chemical stability is obviously improved, and the chemical stability can pass the most rigorous 200-turn dishwasher cycle test in European ICTS.

The invention relates to the technical field of lithium-containing china clay ore flotation, and provides a lithium-containing china clay ore flotation collecting agent which comprises polyether amine, cotton oil fatty acid, sodium hydroxide, glycerol and petroleum sodium sulfonate. The invention further provides a method for preparing the flotation collecting agent, and the method comprises the steps that cotton oil fatty acid, sodium hydroxide and water are mixed for saponification reaction, and saponified fatty acid is obtained; glycerol and petroleum sodium sulfonate are uniformly mixed, and a modifier is obtained; and uniformly mixing the polyether amine, the saponified fatty acid and the modifier. The invention further provides application of the flotation collecting agent or the method in flotation of the lithium-containing porcelain clay ore. The flotation collecting agent provided by the invention is suitable for low-grade lithium-containing china clay ore, and at least can achieve the effect of selectively collecting lepidolite under a neutral condition without adding any other agents, so that the grade and the recovery rate of lithium in the obtained lepidolite concentrate are ensured.

The utility model relates to the technical field of porcelain clay processing, and discloses a filter press for porcelain clay processing, which comprises a supporting plate, a motor is arranged on the supporting plate, the motor is connected with a screw rod, a pressing plate is sleeved on the screw rod, a plurality of filter plates are sleeved between the pressing plate and the screw rod, and filter cloth is arranged on the filter plates. A through groove is formed in the filter plate, a water outlet communicated with the through groove is formed in the lower end of the filter plate, a drainage pipe is connected to the lower end of the filter plate, annular grooves are formed in the left side wall and the right side wall, located outside the through groove, of the filter plate respectively, concave positions matched with the annular grooves are formed in the filter cloth, the concave positions of the filter cloth are located in the annular grooves, and limiting frames are inserted in the concave positions in a matched mode; a detachable vibration mechanism is arranged on the right side of the supporting plate, the vibration mechanism comprises a connecting plate, a spring is arranged at the lower end of the connecting plate, a telescopic rod is connected to the outside of the spring in a sleeving mode, and a vibration motor is connected to the side wall of the connecting plate. Compared with the prior art, the filter has the advantages that materials are convenient to take, and the filter cloth is convenient to replace.

The invention discloses short fiber reinforced clay and a preparation method thereof, and relates to the technical field of clay, the short fiber reinforced clay comprises a clay formula and a preparation process, the clay formula comprises 40 parts of white china clay, 30 parts of porcellanite, 10 parts of white carbon black, 10 parts of lithopone, 5 parts of rubber powder, 5 parts of purified water, 8 parts of artificial fiber, 10 parts of quartz, 3 parts of baby oil, 2 parts of a humectant and 1 part of an anti-aging agent; a plastifying process is added in the processing process, materials are cut and carved repeatedly, so that the materials have good plasticity and are soft and easy to make, the process has good binding power, and meanwhile, the materials are not sticky to hands during kneading and molding, are naturally air-dried, are hard and can be carefully carved; short fibers in the clay are combed and a directional arrangement technology is applied, so that the plasticity of the clay is further improved, and the clay is soft, comfortable and more suitable for molding when a product is kneaded and molded.

The utility model provides a novel porcelain clay filters vibrating screen, including screen main part, the support mechanism of supporting screen main part, and the drive mechanism of driving screen main part, still include the fine aggregate collection car of the fine material discharge gate below is received, and the positioning mechanism of positioning fine aggregate collection car, in actual processing, fine aggregate collection car moves to the fine material discharge gate below receiving the fine material of screening from the guide rail below screen main part in the direction of movement, first limiting part is stopped in the front of fine aggregate collection car and is limited, avoids fine aggregate collection car to continue advancing, second limiting part is stopped in the back of fine aggregate collection car and is limited, avoids fine aggregate collection car to appear the situation of retreating, first limiting part and second limiting part ensure that fine aggregate collection car is in the accurate position below fine material discharge gate and carries out accurate stable aggregate action, and fine material also can not scatter, ensure that the processing site is neat, therefore, the utility model has the advantages such as ensuring aggregate efficiency and accurate stability.

The invention relates to the technical field of preparation of ceramic microporous filter cartridges, in particular to a preparation method of a quincunx tubular light porcelain microporous filter cartridge, which comprises the following steps: preparing mixed powder from light porcelain clay, dolomitic sand, glass sand, bamboo powder and clay; a plastic adhesive is prepared from liquid aluminum dihydrogen phosphate, silica sol, sesbania gum powder, hydroxypropyl methyl cellulose, a binding agent and purified water; the mixed powder and a plastic adhesive are mixed into green body pug; carrying out circular mulling and aging treatment on the green body pug; extruding, cutting and shaping to obtain a single-tube green body; sintering a single-tube green body, cooling and then cutting at fixed length; spraying a functional coating on the outer surface of the single pipe, sintering and curing; arranging and assembling a plurality of single tubes into a filter cartridge with a quincunx tube array structure; a filter cartridge end cover is sealed by glue filling; and detecting the filtering performance of the filter cartridge. The method has the remarkable effects that the filtering area is maximized, and the efficiency is improved; light weight, high strength and convenient installation and maintenance; the service life is long; the energy-saving and emission-reducing effects are good; the adhesion resistance is high; the assembly is flexible, and the sealing performance is good.

The present application provides a matte coated paper and a preparation method thereof, the preparation method comprising: base paper making; slurry comprising pulp, filler and chemical additives; applying a pre-coating layer, the coating of the pre-coating layer comprising ground heavy calcium carbonate and a pre-coating adhesive; applying a topcoating layer, the coating of the topcoating layer comprising a pigment and a topcoating adhesive, wherein the weight ratio of each component in the pigment is as follows: heavy calcium carbonate: light calcium carbonate: china clay = (80-100): (0-20): (0-20). The present application embodiment provides a preparation method, and the matte coated paper obtained has the following main advantages: 1) improving the thickness and stiffness of the paper, so that the matte coated paper has a significant lightweight characteristic, and the bulk is significantly higher than that of conventional coated paper, close to micro-coated paper / lightly coated paper; 2) improving the printing effect of the paper, which is different from micro-coated paper and lightly coated paper. Under the condition that the paper has lightweight characteristics, the printing effect of the paper is improved, and the printing effect of the conventional copper is better.

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.

The invention belongs to the technical field of preparation of ceramic frits, and particularly relates to a high-whiteness ceramic frit and a preparation method thereof. The high-whiteness ceramic frit is prepared from the following raw materials: quartz, calcined aluminum oxide, lithium china clay ore, magnesium slag, cordierite powder, lanthanum silicate, strontium tetraborate, sodium fluosilicate, nano sodium zirconium phosphate, nano yttrium aluminate and nano samarium oxide. In the high-whiteness ceramic frit provided by the invention, quartz and calcined alumina form a continuous aluminosilicate glass phase three-dimensional network structure; the lithium china clay ore, the magnesium slag, the strontium tetraborate and the sodium fluosilicate have a synergistic effect and are filled in pores of a three-dimensional network structure to promote densification of ceramic frits, so that whiteness scattering and mechanical property degradation caused by the pores are avoided; the mechanical property of the ceramic frit is ensured by introducing cordierite powder and lanthanum silicate; nano sodium zirconium phosphate, nano yttrium aluminate and nano samarium oxide are added as functional fillers, so that the whiteness of the ceramic frit is further improved.

According to the novel ceramic clay wastewater circulating device, in the actual working process, the water pump conveys wastewater in the wastewater pool to the water inlet through the water inlet pipeline, the wastewater enters the space between the spiral extrusion barrel and the spiral shell, and the wastewater is filtered by the filtering holes of the spiral shell and then enters the water outlet; clear water enters the water passing gap and flows out from the water outlet to the water storage tank to be stored for recycling, filtered porcelain clay particles are left outside the spiral shell to form porcelain clay, the porcelain clay is spirally conveyed by the spiral shell, specifically, the motor drives the rotating shaft to drive the spiral shell to rotate, wastewater is stirred by utilizing the three-dimensional spiral shape of the spiral shell, and the waste water is recycled. According to the utility model, waste water is fully and efficiently contacted with the large spiral surface area of the spiral shell, meanwhile, hole blockage can be avoided relative to high-speed washing of water flow, full and efficient filtration is ensured, and the rotating speed and the rotating direction of the spiral shell can be adjusted to adapt to the waste water concentration, the filtration requirement and the like. Therefore, the water-saving circulating system has the advantages of high-efficiency circulation, water conservation and the like.

The invention discloses a preparation method of a high-solid-content paper coating, the coating and in-machine coated paper.The preparation method of the high-solid-content paper coating comprises the following operation steps that S1, pigment slurry containing china clay and heavy calcium carbonate is prepared; s2, an adhesive is added into the pigment slurry, the adhesive is styrene-butadiene latex, coating starch is not added, and a mixture is prepared; and S3, adding a modified acrylate copolymer into the mixture prepared in the step S2 under a stirring condition, and fully mixing to obtain the high-solid-content paper coating. According to the method provided by the invention, a special modified acrylate copolymer is introduced, so that high solid content, low viscosity and high water-retaining property of the coating are realized on the premise that coating starch is not used, and finally, the purpose of improving the coating weight and printing performance of in-machine coated paper is achieved.

The utility model provides an efficient china clay stirring device which comprises a tank body, a tank cover is fixedly connected to the top of the tank body, a collecting piece is fixedly connected to the middle of the outer surface of the tank body, and a drainage valve is arranged on the collecting piece. And after drainage is completed, the stirring rod can be started again, so that the separation disc rotates, then the crushing needle and the push broach scrape and shovel the inner bottom wall of the tank body, the situation that a large amount of petuntse adheres to the inner bottom wall of the tank body is avoided, meanwhile, when the stirring rod is taken out, the caked petuntse is crushed through the top of the conical piece, and the petuntse is separated from the bottom wall of the tank body. The problems that when existing porcelain clay is used, water needs to be added for mixing, then water is discharged through precipitation, a clay blank can be formed, but after the porcelain clay and the precipitation are caked, a large amount of porcelain clay is extremely prone to adhering to the inner wall and the bottom of the precipitation tank, and cleaning is not easy are solved.

The utility model relates to the field of porcelain clay processing, and discloses a vibration filter for porcelain clay processing, which comprises a box body, the upper end of the box body is an open end, the upper end in the box body is fixedly connected with a material screening tray, the bottom surface of the material screening tray is fixedly connected with a connecting rod, and the lower end of the connecting rod is fixedly connected with a supporting plate slidably connected in the box body. A screening barrel is fixedly connected to the screening tray, a screening net plate is fixedly connected to the bottom face of the screening barrel, a collecting box is slidably inserted into the position, below the screening tray, in the box body, an L-shaped frame is fixedly connected to the box body, a rotating shaft located at the axis of the screening barrel is rotationally connected to the L-shaped frame, and a via hole matched with the rotating shaft is formed in the axis of the screening net plate. The outer wall of the rotating shaft is slidably sleeved with a connecting sleeve, and the outer wall of the connecting sleeve is fixedly connected with at least one scraping plate which is arranged in an annular array and matched with the screening net plate. Compared with the prior art, the material screening device has the advantages that the material screening net plate can be cleaned in the filtering process, and the material screening net plate is prevented from being blocked.

The invention discloses a method for preparing a low-carbon environment-friendly cementing material from china clay tailings, and relates to the technical field of cementing materials, and the method comprises the following steps: step 1, pounding: pounding the original china clay tailings, fully stirring, adding polyethylene glycol and sodium metaphosphate with the concentration of 0.2%, and mixing; 2, screening is conducted, specifically, the sample obtained after pulp smashing in the step 1 is screened, and ore with the particle size larger than 0.063 mm and a sample A with the particle size smaller than 0.063 mm are obtained; and step 3, taking 40-50% of the sample A, doping 40-50% of cement clinker and 5-8% of superfine gasified ash, and mixing to prepare the cementing material. The porcelain clay tailings are used for replacing 50% of cement, so that the production cost of the cement is reduced, the carbon dioxide emission of the cement is reduced, and the performance is not reduced.

The invention discloses corrosion-resistant porcelain clay with aromatherapy smell and a preparation process thereof, and belongs to the technical field of ceramics. The aromatherapy odor corrosion-resistant porcelain clay comprises aromatherapy liquid and a porcelain clay material, and the porcelain clay material comprises the following components in parts by mass: 75-80 parts of kaolin, 15-20 parts of quartz, 8-11 parts of silicon nitride, 9-11 parts of boron nitride, 6-8 parts of yttrium oxide, 8-12 parts of calcined talc, 10-12 parts of aluminum oxide, 8-13 parts of potassium feldspar, 8-10 parts of a dispersing agent, 6-8 parts of a sintering agent and 5-7 parts of a curing agent. The ceramic product prepared by the invention has excellent corrosion resistance and aroma flavor.

The application discloses a coating liquid composition, characterized in that the coating liquid composition comprises, in parts by weight, 15-30 parts of porcelain clay, 40-50 parts of heavy calcium carbonate, 30-35 parts of light calcium carbonate, 10-25 parts of coating latex, 3-10 parts of coating starch, 10-30 parts of waterproof and oil-proof paint, and 0.5-8 parts of micro-assistants; the waterproof and oil-proof paint comprises an acrylate emulsion and a mineral, wherein, in parts by weight, the acrylate emulsion is 100 parts of absolute dry, and the mineral is 0-50 parts; the application can improve the waterproof and oil-proof performance of the waterproof and oil-proof coated card paper, has good heat sealing performance, and can realize recycling of the waterproof and oil-proof coated card paper, and is good for the environment and has no pollution.

The invention belongs to the technical field of coated ivory boards, and particularly relates to a high-strength coated ivory board and a production process thereof, the high-strength coated ivory board comprises a base material, and a bottom coating, a first surface coating and a second surface coating which are sequentially arranged on the base material; wherein the bottom coating comprises calcium carbonate, nano silicon dioxide, pre-coating latex, waterborne epoxy emulsion and biological latex; the first surface coating comprises calcium carbonate, porcelain clay, pre-coating latex, biological latex, nano cellulose and microcrystalline cellulose. In the bottom coating, calcium carbonate serves as basic filler to construct a coating framework, and gaps are filled with nano silicon dioxide to improve compactness; nanocellulose and microcrystalline cellulose are introduced into the first surface coating, a three-dimensional reinforced network is formed by means of fiber interweaving, and a compound optimized structure of calcium carbonate and porcelain clay is matched; the surface performance of the second surface coating is improved through the combination of calcium carbonate, china clay and surface coating latex, and the three coatings enable the white cardboard to have high strength and good comprehensive performance.

The invention relates to the technical field of ceramic tiles, and mainly relates to a heat preservation travertine ceramic tile and a preparation method thereof.The heat preservation travertine ceramic tile comprises a ceramic tile body and a nano coating, and the ceramic tile body comprises potassium albite, medium-temperature potassium sand, bentonite, brushstone, talcum powder, kaolin, raw slime, china clay, bauxite and aluminum oxide modified microcapsules; the preparation method of the aluminum oxide modified microcapsule comprises the following steps: heating paraffin to a molten state to obtain molten paraffin; the preparation method comprises the following steps: mixing a PVA aqueous solution with molten paraffin, and stirring at 7500-8500r / min to form a paraffin emulsion; dispersing nano aluminum oxide into the melamine-formaldehyde resin solution to obtain a suspension solution; mixing the suspension solution with a paraffin emulsion to obtain a mixed solution; adjusting the pH value of the mixed solution, and stirring and reacting at 60-70 DEG C for 2-3 hours to form a microcapsule wall; and cooling, separating, washing and drying to obtain the aluminum oxide modified microcapsule.