87 results about "China clay" patented technology

The invention belongs to the field of flotation, and particularly relates to a lithium-containing china clay ore flotation method which comprises the following steps: carrying out flotation on to-be-separated minerals of lithium-containing china clay ore in a flotation reagent containing a collecting agent to obtain lithium china clay ore concentrate; the collecting agent is characterized in that the collecting agent is a compound shown in the formula 1 # imgabs0 #; and / or a product obtained by carrying out an addition reaction on a formula 2 (R-NH2) and a formula 3 # imgabs1 # in advance and then carrying out a saponification reaction with an alkali. According to the collecting agent for the lithium china clay ore, the component shown in the formula 1 is innovatively adopted as the collecting agent for the lithium china clay ore, in this way, on the basis of intermolecular coupling of beta-NH-and-COOM, the collecting agent can accidentally adapt to the surface characteristics of target minerals of the lithium china clay ore, high-selectivity collecting can be achieved, and effective collecting under the low-temperature and mild conditions can be achieved.

The invention relates to the technical field of ceramics, in particular to celadon glaze water, ceramics and a preparation method thereof, and the preparation method comprises the following steps: preparing the celadon glaze water: preparing 10-15 parts of cooked talc, 5-8 parts of an additive modifier, 4-7 parts of ball clay, 4-7 parts of modified dolomite, 2-4 parts of Longquan porcelain clay, 2-4 parts of zinc oxide and 2-4 parts of tin oxide; the ceramic of the celadon glaze water is prepared by the following steps: blending potassium feldspar, quartz, kaolin and bentonite, and carrying out wet ball milling to obtain a ball-milled material; the preparation method comprises the following steps: by taking calcined talc, ball clay, Longquan porcelain clay, zinc oxide and tin oxide as matrix materials, adding a modifier and modified dolomite as functional aids, and blending and coordinating the matrix materials and the functional aids, obtaining the celadon glaze water with excellent surface wear resistance and impact strength.

The invention discloses a method and a system for recovering rare earth elements from china clay ore resources, the recovery process comprises the following steps: stirring petuntse into slurry through a stirring barrel, and then carrying out filter pressing on the petuntse through a first filter press, ammonium sulfate, washing water and compressed air are sequentially pumped into the petuntse at high pressure, so that tail liquid and petuntse waste materials can be blown out in a high-pressure state, then the tail liquid and the petuntse waste materials sequentially pass through a clarification tank, an impurity removal tank and a sedimentation tank and are subjected to solid-liquid layering, obtained solid parts are subjected to filter pressing through a second filter press, and rare earth products are obtained. The method is efficient and rapid, operation is simplified and programmed, the overall production cost is reduced, and the overall technological method is reliable and practical.

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 invention relates to the technical field of domestic ceramics, in particular to a high-temperature-resistant domestic ceramic product and a preparation method thereof, and the high-temperature-resistant domestic ceramic product is prepared from the following raw materials in parts by weight: 35-40 parts of potassium feldspar, 15-20 parts of albite, 8-12 parts of porcelain clay, 6-9 parts of boron-doped silicon nitride additive, 4-7 parts of calcined talc, 4-6 parts of modified functional agent and 4-7 parts of nano zinc oxide. According to the domestic ceramic product disclosed by the invention, the potassium feldspar is matched with the albite, the porcelain clay, the calcined talc and the nano-zinc oxide, meanwhile, the boron-doped silicon nitride additive and the modifying functional agent are added, and the high-temperature deformation resistance, the antibacterial property and the skid resistance of the prepared domestic ceramic product are harmoniously improved through blending, matching and joint synergism of the raw materials; meanwhile, the washing stability effect of the product is remarkable.

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 provides a preparation method of a purple sand and blue and white porcelain combined ceramic product, and solves the problems that the traditional purple sand product is difficult to combine with blue and white porcelain to prepare the ceramic product, the purple sand is easy to melt, and the blue and white porcelain is difficult to appear, the technical scheme is as follows: the raw material formula comprises a purple sand blank, porcelain clay, a blue and white porcelain blank and transparent glaze, the purple sand blanks comprise the following components in percentage by weight: 8% of a first purple sand blank, 52% of a second purple sand blank, 4% of a third purple sand blank and 36% of a fourth purple sand blank; the porcelain clay is prepared from the following components in percentage by weight: 4.8% of SiO2, 39.46% of Al2O3, 0.88% of Fe2O3, 0.04% of CaO, 0.14% of MgO, 0.19% of K2O, 0.23% of Na2O and 14.26% of LI2O; the forming step comprises the following steps: taking the blank, performing aging and pugging on the purple sand blank, performing manual or mold forming, preparing porcelain clay into white porcelain clay, spraying or brushing the white porcelain clay to a specified position of a base shape of a purple sand product with the thickness of 0.5 mm, drying in the shade, performing first firing, spraying or brushing the porcelain clay, performing third firing and the like. Through formula optimization and process innovation, the combination of the practicability of the purple sand and the decoration of the blue and white porcelain is realized.

The invention discloses a manufacturing method of a high-strength disc-shaped porcelain insulator, and relates to the technical field of porcelain insulator manufacturing, and the manufacturing method comprises the following operation steps: S1, layering: putting a porcelain clay block into a crushing device, and crushing and sieving step by step from top to bottom; s2, turning, namely inclining and inverting the crushing device to drive the china clay blocks to turn and prevent the china clay blocks from flowing back; the crushing device comprises an outer box, the top end of the outer box is provided with an inner cylinder used for containing porcelain clay blocks, the interior of the inner cylinder is fixedly connected with a plurality of sub-plates, and the interior of the inner cylinder is divided into a plurality of grinding cavities by the sub-plates; and S3, discharging, and crushing the porcelain clay blocks into powder. According to the manufacturing method of the high-strength disc-shaped porcelain insulator, a mode of crushing the porcelain clay blocks step by step is adopted, and when the crushing device drives the porcelain clay blocks to turn over, reverse sieving is avoided by preventing the porcelain clay blocks from flowing back, so that the manufacturing efficiency of the high-strength disc-shaped porcelain insulator is improved.

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 invention relates to a process method for extracting high-white feldspar from lithium-containing china clay ore. The process method comprises the following steps: S1, grinding the lithium-containing china clay ore, grading, checking and screening by using a high-frequency screen, combining undersize materials with overflow of a hydrocyclone, feeding into a weak magnetic separator for deironing, and continuously feeding oversize materials into a ball mill for grinding; s2, performing first-stage high-gradient strong magnetic separation on the material obtained after iron removal by the weak magnetic machine in the step S1; s3, controlling the non-magnetic substances obtained in the step S2 to enter second-stage high-gradient strong magnetic separation; s4, the non-magnetic substances obtained in the step S3 enter a hydrocyclone for desliming and then enter a flotation link; s5, roughing operation is carried out; s6, roughing tailings obtained after roughing operation in the step S5 are continuously fed into scavenging operation; and S7, the first scavenging tailings obtained in the step S6 are continuously fed into the second scavenging operation, and the obtained second scavenging tailings are the high-white feldspar. According to the method, high-white feldspar with high white and low iron is obtained, and the recovery rate of lepidolite is increased.

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 low-loss porcelain clay grinding and dynamic screening equipment comprises an equipment body, a grinding assembly and a screening assembly, a grinding cone is driven to rotate through a motor, meanwhile, transmission is conducted to a transmission gear ring through a transmission gear to drive a separation sleeve to rotate, porcelain clay penetrates through a feeding hole and is intermittently fed to the top of a feeding plate, and the screening assembly is driven to rotate; one part of porcelain clay under the action of centrifugal force and gravity penetrates through a screening net to enter the bottom of an inner cavity of a screening cavity, one part of the porcelain clay is screened layer by layer through a feeding plate to enter an area A to be ground, the screened porcelain clay is slowly conveyed to the area to be ground through the rotating feeding plate, and meanwhile airflow is blown into a grinding cavity through a screening assembly and guided through a grinding groove; fine powder in the area A and the screening net is taken out of the screening net, screening of particles after grinding is promoted, meanwhile, china clay caking is reduced, and screening hole blocking is avoided.

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 discloses a preparation method of light composite porcelain clay, and relates to the field of ceramics. When the light composite porcelain clay is prepared, dopamine is polymerized on the surfaces of silicon carbide whiskers to obtain modified silicon carbide whiskers; the preparation method comprises the following steps: reacting 3-glycidyl propyl (dimethoxy) methylsilane, methyltriethoxysilane, dimethyl diethoxysilane and methyldiethoxysilane, and then grafting 2-propylene-1-boric acid to obtain modified silicon resin; the preparation method comprises the following steps: uniformly mixing montmorillonite, polyethylene glycol, styrene, 4-vinyl aniline and divinyl benzene to obtain modified montmorillonite; and uniformly mixing the modified montmorillonite, the modified silicon resin and the composite ceramic powder, and carrying out gradient heating sintering to obtain the lightweight composite porcelain clay. The light composite porcelain clay prepared by the invention has excellent plasticity, heat retaining property and crack resistance.

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 provides a paper product and a top coating thereof. The top coating comprises china clay, styrene-acrylic latex, modified polyvinyl alcohol and a water-resistant agent, wherein the glass transition temperature of the styrene-acrylic latex is-5 to 3 DEG C. The topcoat paint of the release paper provided by the embodiment of the invention can be applied to a release paper coating, the coating weight and uniformity of silicone oil on the surface of the release paper can be optimized, and the problems that a glue layer bursts after the release paper is stored for a long time or under the condition of high temperature, the coating and the silicone oil are peeled off, the peeling is poor and the like are solved.