932results about "Ceramic materials production" patented technology

The invention discloses a method of preparing aluminum oxide-silicon carbide compound porous ceramic by aluminum-silicon industrial waste residues. The primary raw materials comprise industrial waste residues, carbon powder, a pore forming substance and an adhesive. The aluminum oxide-silicon carbide compound porous ceramic is prepared by the following steps of mixing, drying, forming and sintering to obtain a final product. Treatment and high additional value utilization of the industrial waste residues are achieved. The prepared porous ceramic is remarkable in performance, and can be applied to the fields of filtration, sound isolation, heat isolation, fire fighting and the like. The method is simple in process flow and convenient for industrialized promotion; and the cost is good to control and the method has extreme economical value.

The invention discloses double-layer fancy glaze with chapped ground texture and a preparation method of the double-layer fancy glaze, and relates to the technical field of ceramic glaze. The double-layer fancy glaze is composed of a ground glaze layer and a cover glaze layer. The ground glaze raw materials comprise potassium feldspar, kaolin, calcite, quartz, dolomite, zinc oxide and pigment; the cover glaze raw materials comprise potassium feldspar, waste porcelain powder, blank powder, chinastone, limestone, sepiolite, quartz, zirconium silicate with the particle size D50 being less than or equal to 1.0 mu m and pigment. The preparation method comprises the following steps: respectively carrying out ball milling to prepare ground glaze slip (32-40 baume degrees) and cover glaze slip (51-53 baume degrees); spraying ground glaze on the green body, drying, and then soaking with cover glaze; and finally, sintering at the temperature of 1250-1270 DEG C in a reducing atmosphere. Through the synergistic effect of the sepiolite and other components, the cover glaze has high surface tension, forms a microcrack network during drying, generates controllable glaze shrinkage during firing, forms a three-dimensional chap texture with crack width of 1-5mm and strong curled and raised crack edges, and meanwhile, the ground glaze completely covers a green body, so that the product practicability is ensured.

The invention discloses environment-friendly ceramic and a preparation method thereof, and belongs to the technical field of ceramic. The environment-friendly ceramic comprises the following raw materials in parts by weight: 30-50 parts of red mud, 20-40 parts of fly ash, 10-25 parts of purple clay, 5-15 parts of quartz, 3-8 parts of a composite binder, 3-8 parts of a composite fluxing agent and 40-50 parts of deionized water. The environment-friendly ceramic prepared by the method disclosed by the invention has excellent breaking strength and apparent porosity.

The invention relates to the technical field of architectural ceramics, in particular to a gangue-doped ceramic tile and a preparation method thereof.The gangue-doped ceramic tile comprises a green body layer, a ground coat layer, a decorative layer and a glazed layer which are sequentially arranged from bottom to top; the green body layer is prepared from the following raw materials in percentage by mass: 6 to 12 percent of bentonite, 1 to 5 percent of Qingshan soil, 3 to 6 percent of polishing mud, 6 to 12 percent of waste brick powder, 4 to 8 percent of green gangue, 5 to 15 percent of chinastone, 20 to 30 percent of feldspar, 1 to 3 percent of recycled blank material, 2 to 5 percent of snail mountain soil, 8 to 15 percent of sandstone, 3 to 6 percent of washed white mud, 5 to 15 percent of coal gangue and 2 to 5 percent of grey gangue; the chemical components of the polishing mud, the waste brick powder, the recycled blank material and the coal gangue respectively comprise SiO2, Al2O3, Fe2O3, TiO2, CaO, MgO, K2O and Na2O. According to the gangue-doped ceramic tile and the preparation method thereof, the raw materials of the green body layer are improved, so that the firing temperature is reduced, the firing period is shortened, low-temperature fast firing is realized, and meanwhile, the production cost is low, the antifouling property is excellent, and the strength is high.

The invention discloses ceramic cup firing forming equipment, and relates to the technical field of firing forming equipment, the ceramic cup firing forming equipment comprises a kiln and a base, the base penetrates through the kiln, a rotatable ceramic roller bar is installed on the base, a supporting frame is placed at the top end of the ceramic roller bar, the ceramic roller bar is used for driving the supporting frame to be conveyed from a kiln head to a kiln tail, and the ceramic roller bar is used for driving the supporting frame to rotate. The supporting frame is composed of a bottom plate and a supporting plate and comprises a connecting mechanism and a limiting mechanism. By arranging a connecting mechanism and a limiting mechanism, a cup body is placed at the top end of a grid plate, a supporting plate is assembled above a bottom plate, at the moment, a transverse rod moves, a sliding rod slides in an inclined groove to drive a vertical rod to move upwards, the vertical rod drives a limiting frame to move, and the limiting frame moves to drive a limiting groove to move to the outer side of the bottom of the cup body; and the limiting groove is used for limiting the cup body, so that the ceramic cup can be conveniently limited in the firing process, and the cup body is prevented from shifting in the firing process.

The invention relates to the technical field of soft light bricks, in particular to an environment-friendly wear-resistant soft light brick and a preparation method thereof, and the environment-friendly wear-resistant soft light brick comprises the following components in parts by mass: 20-40 parts of quartz, 30-60 parts of waste slag micro powder, 10-25 parts of feldspar, 10-20 parts of kaolin, 5-15 parts of clay, 5-15 parts of talc, 5-15 parts of lamellar alumina, 1-5 parts of a sintering aid and 0.5-3 parts of a binder. According to the environment-friendly and wear-resistant soft light brick and the preparation method thereof, the waste slag micro powder and the lamellar alumina are combined with other components, a traditional single aggregate reinforcing mechanism is broken through, a two-time sintering process is used during preparation, a glaze surface and a green body are combined more firmly, the surface texture is more uniform, and the soft light effect controllability is high.

The present application relates to the technical field of ceramics, and particularly relates to a ceramic handicraft, which comprises a porcelain blank and a blank glaze applied to the surface of the porcelain blank, wherein the porcelain blank is composed of the following raw materials in parts by weight: fly ash 40-50 parts, potassium feldspar 10-20 parts, sodium feldspar 5-10 parts, black clay 8-10 parts, soda 20-25 parts, talc 1-3 parts, and waste porcelain powder 3-5 parts; and the blank glaze is composed of the following raw materials in parts by weight: quartz 40-60 parts, high-quality kaolin 10-15 parts, wollastonite 18-20 parts, waste porcelain powder 10-15 parts, potassium feldspar 6-10 parts, sodium feldspar 3-5 parts, calcined talc 3-5 parts, and zirconium-iron red agent 1-2 parts; the content of SiO2 and Al2O3 in the fly ash is more than 80 wt%, and the fly ash contains a small amount of Fe2O3, MgO and CaO; the present application solves the problem that the weight of the porcelain blank of the existing ceramic handicraft is heavy, and the industrial waste raw materials cannot be introduced in large quantities to manufacture the porcelain blank, and the resource utilization rate is poor; compared with the prior art, the glaze surface gloss of the present application is moderate, and the ceramic handicraft is beneficial to decoration and placement under a light source.

The invention discloses a preparation method of a foamed thermal-insulation ceramic decorative plate in the technical field of building decorative materials. The method comprises the following steps: carrying out ball milling, spray drying, granulating and ageing on raw materials such as ceramic waste and kaolin; mixing and dispersing the aerogel-hydrogel gradient core-shell structure composite modified material and ceramic particles, and sieving to obtain composite powder; compounding sodium bicarbonate and azodicarbonamide with a foaming agent, mixing the foaming agent with the composite powder, and adding a surfactant and a dispersing agent to adjust the viscosity so as to prepare expandable ceramic slurry; the slurry is injected into a mold and coated with low-temperature glaze, and stepped heating sintering is conducted through a tunnel kiln and comprises the steps of preheating glue discharging, primary foaming, secondary sintering, gradient cooling and the like. The thermal insulation performance, the mechanical strength, the weather resistance and the decoration performance are synergistically improved, and the product is low in heat conductivity coefficient, high in compressive strength, excellent in ultraviolet aging resistance, firm in decoration layer combination and suitable for building outer walls and other scenes.

The invention discloses a preparation method of a three-dimensional split-phase fancy glaze for coal gangue ceramic body decoration, the three-dimensional split-phase fancy glaze comprises a ground glaze and a cover glaze, the cover glaze comprises the following raw materials by weight: 15-20% of quartz, 10-15% of calcite, 5-10% of kaolin, 5-10% of zinc oxide, 10-15% of calcium phosphate, 25-30% of potassium feldspar, 2-5% of calcium borate, 5-10% of tin dioxide, 3-5% of spodumene, and 2-5% of a coloring oxide; the ground glaze is prepared from the following raw materials in percentage by weight: 15-20% of quartz, 10-15% of wollastonite, 5-10% of kaolin, 10-15% of zinc oxide, 15-20% of calcium phosphate, 15-20% of spodumene, 5-10% of titanium dioxide, 5-10% of calcium borate, 2-5% of coal gangue and 2-5% of coloring oxide, and the product is obtained through raw material preparation, glazing and sintering. The prepared three-dimensional split-phase fancy glaze is simple in process, high in adaptability, unique in effect and wide in market prospect.

The invention discloses a high-temperature-resistant inorganic antibacterial ceramic glaze and a preparation process, and relates to the technical field of ceramic glaze preparation, the glaze is composed of a basic glaze and a zinc oxide-doped cerium dioxide inorganic antibacterial agent, and the basic glaze comprises feldspar, quartz, kaolin, calcite and talc. The preparation process comprises the following steps: mixing the raw materials, carrying out wet ball milling, adding the antibacterial agent and the dispergator, stirring at a high speed, sieving to remove iron, aging, glazing and sintering at a high temperature. In the process, an iron removal integrated unit integrating a two-stage vibration screening function and an automatic iron scraping function is adopted, and efficient and continuous iron removal operation is achieved. The obtained glaze can resist high-temperature sintering of 1150-1200 DEG C, the glaze surface is smooth and uniform, the glaze surface has lasting and efficient broad-spectrum antibacterial performance, glaze surface defects caused by iron impurities are effectively avoided, and the product yield and quality stability are improved.

The invention belongs to the technical field of special ceramic preparation, and particularly relates to high-strength special ceramic and a preparation method thereof. The high-strength special ceramic is prepared from the following raw materials: alumina powder, quartz powder, serpentine, phosphorus slag, eucryptite, barium borate, nano yttrium trifluoride, nano hafnium boride, nano strontium zirconate, nano lanthanum titanate and polyborosilazane. According to the high-strength special ceramic disclosed by the invention, the aluminum oxide powder, the quartz powder, the serpentine and the phosphorus slag are taken as matrix raw materials, eucryptite, barium borate and yttrium trifluoride are taken as fluxing agents, and nano hafnium boride, nano strontium zirconate, nano lanthanum titanate and polyborosilazane are taken as fillers, so that the prepared special ceramic has excellent bending strength and fracture toughness.

The invention relates to a 200-grade sludge fly ash ceramsite composition based on solid waste and a manufacturing method thereof. The 200-grade sludge fly ash ceramsite composition comprises the following components in percentage by weight: 38-50% of shale, 30-40% of sludge and 20-25% of fly ash, wherein the shale is muddy shale which contains more than 40% of the total weight of clay mineral components and is mainly composed of red shale, black shale and green shale and auxiliary materials of kaolin and bentonite; the 200-grade sludge fly ash ceramsite is prepared from solid waste, solid waste resources are fully utilized, the process is simple, and the cost input is low.

The invention provides a ceramsite proppant as well as a preparation method and application thereof. The method comprises the following steps: grinding a coal gangue raw material, pre-sintering, cooling and then grinding again; grinding the tungsten tailing sand, the low-grade bauxite, the carbide slag and the clay; grinding after mixing the raw materials; the raw materials comprise 45-60 parts of low-grade bauxite, 20-35 parts of pre-sintered coal gangue, 15-20 parts of tungsten tailing sand, 1-5 parts of carbide slag and 7-14 parts of clay; the total amount of the low-grade bauxite, the pre-sintered coal gangue and the tungsten tailing sand is 100 parts; granulating and drying; carrying out first sintering at 800-950 DEG C; second sintering is conducted at the temperature of 1050-1200 DEG C; and naturally cooling to obtain the ceramsite proppant. The technical problem to be solved is how to realize high-valued utilization of mine solid waste and low-grade bauxite, reduce dependence on high-quality bauxite and production cost, reduce sintering energy consumption and carbon emission, reduce product body density and improve key performance such as strength and sphericity of the proppant by optimizing raw material combination and a preparation process. And the requirements of oil and gas field fracturing operation are met.

The invention provides a ceramic green body based on lithium slag and wollastonite, a ceramic tile and a preparation method, and the ceramic green body comprises the following raw materials by weight: 25-35% of clay, 15-25% of lithium slag, 10-20% of wollastonite tailings, 15-25% of potassium-sodium feldspar, 15-25% of quartz, 0-3% of calcium phosphate, and 0.5-0.8% of a dispergator. The lithium slag and the wollastonite tailings are doped into the formula of the ceramic body, a low-aluminum high-calcium billet system is established by combining the clay, the potassium-sodium feldspar, the quartz and the auxiliary raw materials, and the characteristics of the lithium slag and the wollastonite are utilized, and the formula of the ceramic body is adjusted and optimized, so that the low-aluminum high-calcium ceramic body is obtained. The low-aluminum high-calcium green body formula which is low in firing temperature, wide in firing range and easy to control kiln firing can be obtained, energy consumption is remarkably reduced, the utilization rate of the lithium slag and the wollastonite tailings is increased, the production cost of ceramic tiles is reduced, and meanwhile the strength of ceramic products is improved.

The invention discloses a method for preparing foamed ceramic through low-temperature sintering and a product prepared through the method, and the foamed ceramic with pyroxene minerals as a main crystal phase is prepared through low-temperature sintering through silicon carbide-desulfurization slag composite foaming, szaibelyite fluxing and crystal phase regulation and control. Therefore, the composite closed pore system foaming ceramic material with high mechanical property and closed pore property is obtained. Low-cost minerals and solid wastes are adopted as main raw materials, so that the production cost of the foamed ceramic is effectively reduced, and a solid foundation is laid for large-scale industrial application of the foamed ceramic; meanwhile, efficient resource utilization of solid waste is achieved, remarkable economic and environmental benefits are achieved, and the method plays an important role in promoting industrial circular economy development and ecological environment treatment.

The invention provides a ceramic green body highly doped with lithium slag, a ceramic tile and a preparation method of the ceramic green body, and the ceramic green body is prepared from the following raw materials in parts by weight: 5-15 parts of Xiaoshi mud, 5-15 parts of Ningxi mud, 3-8 parts of bentonite, 15-30 parts of potassium sand, 8-15 parts of water frosted sand, 3-8 parts of black talc, 3-10 parts of magnesia soil, 2-10 parts of waste glass and 15-60 parts of lithium slag. According to the embodiment of the invention, the problem of product defects caused by high-temperature decomposition of sulfate is solved by measures of adjusting the firing temperature of a ceramic formula and the like, and a proper amount of low-temperature waste glass is introduced into the green body while a large amount of lithium slag is utilized, so that an effect of further reducing the firing temperature of the green body is achieved; therefore, product defects caused by large gas displacement due to high-temperature decomposition of sulfate in the lithium slag are inhibited, and the ceramic body highly doped with the lithium slag is prepared.

The utility model discloses a roller kiln transmission cooling system and a roller kiln device.The roller kiln transmission cooling system comprises a kiln body, a transmission platform composed of a plurality of ceramic roller bars, perforated bricks and a heat insulation sealing plate, the kiln body comprises kiln walls on the left side and the right side, and the transmission platform is erected on the kiln walls on the left side and the right side; the perforated brick is arranged in the middle of the kiln wall and used for erecting the ceramic roller, the heat insulation sealing plate is arranged on the outer side of the perforated brick, the ceramic roller penetrates through the heat insulation sealing plate and is rotatably arranged on the heat insulation sealing plate, and the heat insulation sealing plate is used for forming a heat insulation layer on the periphery of the perforated brick. The heat insulation sealing plate is arranged on the outer side of the perforated brick, so that a heat insulation layer is formed on the periphery of the perforated brick, the temperature of the outer side of the kiln at the perforated brick is prevented from being high, the distance from the driven end support and the driving end support to the kiln wall can be reduced, the supporting span of the ceramic roller is reduced, and high-temperature load-bearing deformation of the ceramic roller can be improved; and the firing quality of building ceramic products is improved.

The invention provides a method for preparing a ceramic material from lithium slag obtained by extracting lithium through a spodumene acid method, and relates to the technical field of energy conservation and environmental protection. The method for preparing the ceramic material by extracting the lithium slag through the spodumene acid method comprises the following steps: S1, component analysis: carrying out comprehensive component analysis on the lithium slag; s2, magnetic separation iron removal: enabling the lithium slag to pass through a magnetic field by using a magnetic separator, so that magnetic iron impurities in the lithium slag are adsorbed and separated; s3, particle size adjustment is conducted, and mechanical equipment is adopted for conducting particle size grading and grinding treatment on the lithium slag; step S4, mixing and ball-milling: according to a preset formula proportion, adding the lithium slag, kaolin, feldspar, quartz and an additive into a ball mill in proportion, adding a proper amount of water, and carrying out ball-milling and mixing for 2-4 hours, so that the raw materials are fully and uniformly mixed to obtain uniform ceramic blank slurry; finally, the problems that the lithium slag is difficult to treat, the requirement for ceramic materials is large, the preparation cost is high and the performance needs to be improved are solved, and energy-saving and environment-friendly treatment and resource recycling of lithium slag resources are achieved.

The invention provides a lithium slag flotation desulfurization method, a ceramic tile doped with lithium slag and a preparation method of the ceramic tile, and the method comprises the following steps: controlling the particle size of the lithium slag to be treated within a preset particle size range, adding water into the lithium slag, and blending into ore pulp with preset solid content; sodium dodecyl sulfate and xanthate serve as collecting agents to be added into the ore pulp, sodium silicate serves as an inhibitor to be added into the ore pulp, and sodium carbonate is adopted to adjust the pH of the ore pulp to be within the preset pH range; and stirring the ore pulp of which the pH is adjusted to obtain desulfurized lithium slag concentrate, and dehydrating and drying the desulfurized lithium slag concentrate to obtain flotation lithium slag. Through complementation of chemical adsorption and physical adsorption, charge regulation and control and reinforcement of the hydrophobic layer, efficient selective separation of sulfide is realized, the addition proportion of a dispergator when the lithium slag is applied to wet ball milling of the ceramic billet is greatly reduced, the slurry performance of the lithium slag billet is remarkably improved, the cost is low, and the desulfurization effect is good.

The application belongs to the field of oil and natural gas exploitation, and particularly relates to a low-density ceramic proppant and a preparation method thereof. The preparation method comprises the following steps: S1, high-temperature calcination of oil sludge dry residue for standby; S2, mixing of the high-temperature calcined oil sludge dry residue and titanium-containing blast furnace slag to obtain a mixture; S3, crushing and granulation of the mixture obtained in step S2, and then sintering in a rotary kiln, and then quenching in a cooling device to obtain the low-density ceramic proppant. The preparation method of the low-density ceramic proppant uses oil sludge dry residue and titanium-containing blast furnace slag as raw materials to prepare the low-density ceramic proppant without adding other materials, so that waste is reused, and the demand for bauxite resources for preparing the low-density ceramic proppant is reduced. In addition, the titanium-containing blast furnace slag is used to provide titanium as a condensation core for the formation of microcrystals, so that the crystallization time is shortened, and the sintering time required is greatly reduced, and the sintering cost is reduced.

The domestic ceramic machining forming device comprises a supporting base, a first linear module is installed at the top of the supporting base, and a rolling head used for being matched with a mold and a scraper used for scraping pug on the edge of the mold are installed on a movable sliding table of the first linear module; the mold cylinder is rotationally arranged in the middle of the supporting base, and a top plate is arranged in the mold cylinder in a lifting mode and used for ejecting a mold out; the special pug recycling assembly is arranged, pug splashed on the outer side of the conveyor under the centrifugal effect of the mold barrel is vertically and downwards brought into the conveying pipe by the conveying belt of the conveyor and then conveyed into the collecting box through the conveying pipe, effective recycling of the pug is achieved, and waste is reduced; the second linear module drives the material receiving groove to move back and forth in a reciprocating mode under the matching effect of the travel switch, then the material pushing plate is driven to move back and forth in the collecting box, pug falling into the collecting box is pushed to one end to be arranged, and the pug is prevented from being stacked at the fixed position.

The present invention relates to the technical field of ceramics. Disclosed are a ceramic tile having a velvety texture and a replicated natural stone effect and a preparation method therefor. The ceramic tile comprises a green body layer, a surface glaze layer, a pattern texture layer, a digital deep-engraving ink layer, and a dry grain glaze layer which are sequentially arranged from bottom to top. The digital deep-engraving ink layer is composed of a digital matte deep-engraving ink. The dry grain glaze layer is composed of a dry grain glaze. A surface tension difference is formed between the digital matte deep-engraving ink and the dry grain glaze. By means of the improvement of the digital matte deep-engraving ink, the digital matte deep-engraving ink can bind with the dry grain glaze and achieve a matte three-dimensional non-collapse effect on the glaze surface. By means of the improvement of the dry grain glaze, the dry grain glaze exhibits better physical properties. By means of the improvement of a suspending agent, the suspending agent can achieve relatively strong binding affinity with dry grains, thereby imparting stronger polarity to the dry grain glaze, and when the dry grain glaze binds with the digital matte deep-engraving ink having high hydrophobicity, sufficient repulsive forces can be formed, resulting in the formation of a more refined and three-dimensional relief effect.

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

The present application relates to the field of ceramic filler production, especially to a forming device for corrugated ceramic filler production. The existing forming device is inconvenient to uniformly sprinkle porcelain powder on the upper and lower surfaces of the mud piece, the mud piece is prone to reduce the available area after forming due to uncorrected posture, and the excess mud on both sides of the mud piece is prone to pull and deform the formed mud piece after extrusion. A forming device for corrugated ceramic filler production, comprising a feeding rack and the like; a square opening is formed in the feeding rack, two support frames are fixedly connected to one side of the feeding rack, a corrugated roller one and a corrugated roller two are rotatably connected between the two support frames, and a transmission gear is fixedly connected to the corrugated roller one and the corrugated roller two. When the mud piece is conveyed through the powder spraying frame and the brush roller, the rotation of the brush roller will carry the porcelain powder in the bottom frame and brush it on the bottom surface of the mud piece, and the porcelain powder shaken off by the powder spraying frame will be sprinkled on the upper surface of the mud piece, so that the porcelain powder sprinkled on the surface of the mud piece is more uniform and comprehensive.

The automatic clay processing line for porcelain production comprises a clay mixing shell, a roller conveyor is arranged on the right side of the clay mixing shell, and the automatic clay processing line further comprises a clay mixing mechanism and a segmenting mechanism; the mud mixing mechanism comprises an annular shell, a separation assembly, a mud mixing head, a cylinder, a power assembly, a self-folding assembly and a mud discharging power assembly, the annular shell is installed in the mud mixing shell, the mud mixing head is installed in the annular shell through the separation assembly, the cylinder is arranged on the upper side of the mud mixing head, and the power assembly is arranged between the annular shell and the cylinder; according to the automatic clay processing line for porcelain production, through the transmission element, clay on the edge portion in the clay mixing process can be automatically moved to the clay mixing center portion, the clay mixing effect of the device is improved, the clay mixing discharging component of the device does not have position dead angles, the clay sticking phenomenon at the clay mixing portion is avoided, and the production efficiency is improved. And the device can adjust the cutting length of the clay according to use requirements, and is convenient to use.

The application relates to the field of crushing facilities, in particular to a raw material crushing device for ceramic production, which comprises a base, a support extending from one side of the upper end of the base, two support shafts rotatably arranged at the upper end of the support, a cylinder base fixedly arranged between the two ends of the two support shafts, a first cylinder shaft rotatably arranged at one side of the upper end of the cylinder base, a second cylinder shaft rotatably arranged at the other side of the upper end of the cylinder base, a roller coaxially fixedly arranged between the first cylinder shaft and the second cylinder shaft, a mesh cylinder coaxially fixedly arranged at one side of the inside of the roller, a conical hopper fixedly communicated with the end of the mesh cylinder, the end of the conical hopper being fixed to the inner wall of the roller, a plurality of blocking plates linearly arranged at the opening of the conical hopper, a ball hitting piece penetratingly arranged on the outer surface of the roller, and a frame shaft connected to one side of the cylinder base. The application improves the crushing effect and increases the impact intensity of the grinding ball on the raw material when falling.

The invention provides steel fiber toughened foamed ceramic and a preparation method thereof. The preparation method comprises the following steps: carrying out surface pretreatment on steel fibers by adopting a silane hydrolysis solution, adding the pretreated steel fibers into a polyacrylamide-based aqueous solution for soaking and stirring, and separating and drying to obtain steel fibers with sacrificial coatings; the preparation method comprises the following steps: by taking argil, tailings or industrial solid wastes as main raw materials, adding a foaming agent and a reduction stabilizing aid into the raw materials, carrying out ball milling to obtain slurry, and then carrying out spray drying granulation to obtain foamed ceramic powder; and mixing and stirring the steel fiber with the sacrificial coating and the foamed ceramic powder, pouring the mixture into a mold for sintering, and cooling to obtain the steel fiber toughened foamed ceramic. The foaming ceramic has the performance of being cracked but not broken on the premise of ensuring the integrated characteristic of multiple functions of structure, heat preservation, sound absorption and decoration.

This invention discloses a three-dimensional relief ceramic tile and its preparation method. The three-dimensional relief ceramic tile comprises, from bottom to top, a base layer, a base glaze layer, a three-dimensional layer, a glaze layer, and a polishing layer. The base layer is located at the bottom of the ceramic tile and has a thickness of 8-10 mm. The base glaze layer is formed after applying a base glaze to the base layer and has a thickness of 0.5-1 mm. The three-dimensional layer is a pattern layer formed by inkjet printing on the base glaze layer and has a thickness of 1.5-2.5 mm. The glaze layer is formed after applying a surface glaze to the three-dimensional layer and has a thickness of 0.4-0.8 mm. The polishing layer is formed after polishing the glaze layer. This invention, through the combination of an ultra-white base glaze, a multi-layer inkjet-printed three-dimensional layer, and a surface glaze layer using multi-layer overlapping glazes, enables the three-dimensional relief ceramic tile to clearly reflect the texture and feel of the original stone, resulting in better visual impact and artistic expression, enhancing the three-dimensional effect and artistic appreciation of the ceramic tile, and meeting the market demand for high-end decorative ceramic tiles.

The invention discloses a high-strength ceramic and a blank mud preparation method thereof, and belongs to the technical field of domestic ceramics. The invention provides blank mud for preparing high-strength ceramic. The blank mud is prepared from the following raw materials in parts by weight: 28-34 parts of quartz sand, 26-32 parts of kaolin, 12-18 parts of ceramic kiln slag, 5-8 parts of red clay, 3-6 parts of lepidolite, 2-3.2 parts of copper-based alloy powder and 1-1.5 parts of aluminum borate fiber. Meanwhile, the invention also provides a matched glaze material which comprises the following components in parts by weight: 16-24 parts of ceramic kiln slag, 8-15 parts of potassium feldspar, 4-8 parts of leucite, 5-7 parts of zirconite, 3-6 parts of calcite and 0.2-0.8 part of aluminum titanate. The ceramic waste is effectively utilized to replace part of ore raw materials, the prepared ceramic has excellent strength, hardness and thermal shock resistance, the process cost is reduced, and meanwhile the application requirements of most daily use scenes can be met.

The utility model discloses a mixing device for sludge ceramsite production, and belongs to the technical field of sludge ceramsite production. The device mainly comprises a base; the spiral mixer is mounted at the upper end of the base; the discharging pipe is in pipeline connection with the upper end of the spiral mixer, and the upper end of the discharging pipe is in pipeline connection with a second hopper; the second weighing mechanism is arranged at the upper end of the second hopper; the fixing frame is mounted at the upper end of one side, far away from the discharging pipe, of the spiral mixer; and the spiral conveyor is installed at the upper end of the fixing frame, the discharging end of the spiral conveyor is connected to the discharging pipe through a pipeline, and the upper end of one side of the spiral conveyor is connected with a first hopper through a pipeline. According to the mixing device for sludge ceramsite production, when sludge is mixed, the matching degree of raw materials is guaranteed, the situation that the local concentration of finished sludge ceramsite is too high or too low is prevented, and the sintering performance and the performance of the finished product are guaranteed.