1050results about "Claywares" 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 relates to the technical field of solid waste recycling, in particular to a low-temperature fast-fired ceramic aggregate prepared from electrolytic manganese residues and a method thereof.The method comprises the steps that S1, the electrolytic manganese residues and low-temperature flux are subjected to ball milling and sieved through a 200-325-mesh sieve, and a fine powder blank is obtained; s2, 70-100 parts of electrolytic manganese residues and 2-20 parts of low-temperature flux are evenly mixed, and then a mixture is obtained; s3, adding an external binder into the mixture, aging, adding into a sugarcoating machine, stirring, and spraying distilled water to obtain a spherical ceramic aggregate green body; and S4, drying the spherical ceramic aggregate green body in a drying oven, and quickly firing in a silicon carbide rod furnace to obtain the ceramic aggregate subjected to low-temperature quick firing. The electrolytic manganese residues are rapidly sintered at the low temperature of 1000 DEG C or below, sulfur curing can be achieved, meanwhile, under the action of quartz particles, generated CaSO4 has the high specific surface area, heavy metal elements can be effectively adsorbed and subjected to solid solution, and full utilization of the industrial solid waste electrolytic manganese residues is achieved.

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 discloses ceramsite lightweight aggregate structural concrete and a preparation method thereof, and belongs to the technical field of concrete. The ceramsite lightweight aggregate structural concrete is prepared from the following raw materials in parts by mass: 240 to 270 parts of cement, 25 to 35 parts of mineral powder, 80 to 95 parts of fly ash, 210 to 250 parts of coal gangue crushed materials, 725 to 805 parts of modified coal gangue ceramsite, 10 to 30 parts of waste rubber materials, 3.5 to 5 parts of water reducing agents and 165 to 180 parts of water. The modified coal gangue ceramsite is obtained by coating the surface of a coal gangue ceramsite matrix with an epoxy resin layer and then grafting a hydrophilic polymer, the porosity of the coal gangue ceramsite matrix is 40-60%, and the aperture ratio is 1.5-6%. The epoxy resin layer on the surface of the modified coal gangue ceramsite provides an anti-permeability barrier, the hydrophilic polymer on the surface adjusts the wettability of the ceramsite, the binding force with other components of the concrete is improved, and the concrete has excellent shrinkage and dry crack resistance.

The invention relates to the technical field of ceramic materials, and discloses antibacterial self-cleaning domestic ceramic and a preparation method thereof. The preparation method comprises the following steps: S1, mixing a ceramic green body raw material, an antibacterial precursor and an auxiliary agent, performing ball milling to obtain slurry, performing slip casting on the slurry to obtain a green body, and drying to obtain the green body; s2, carrying out gradient in-situ reaction sintering on the green body, and sintering at the temperature of 400-600 DEG C; then sintering at the temperature of 800 to 1000 DEG C; then sintering at the temperature of 1100 to 1250 DEG C; s3, after sintering, micron-sized pits are formed in the surface of the ceramic body through plasma etching; and S4, glazing: sintering at 700-900 DEG C to combine the glaze with the biscuit, thereby obtaining the antibacterial self-cleaning domestic ceramic. The preparation process is simple, long-acting synergism of antibacterial and self-cleaning performance is achieved, and firm combination of the functional layer and the ceramic matrix is achieved.

The invention provides a sound-insulation porous ceramic tile and a preparation method thereof, and belongs to the field of building materials. The sound-insulation porous ceramic tile is prepared from the following raw materials: 20 to 30 parts of kaolin, 18 to 22 parts of quartz sand, 12 to 18 parts of potassium feldspar, 3 to 7 parts of talcum powder, 3 to 7 parts of silicon carbide powder, 2 to 4 parts of ferrosilicon alloy powder, 0.5 to 1.5 parts of sodium bicarbonate, 3 to 5 parts of hollow glass beads, 1 to 3 parts of zirconium oxide microspheres, 1 to 3 parts of silicon dioxide aerogel particles, 3 to 5 parts of acrylate emulsion, 1 to 3 parts of butadiene styrene rubber emulsion, 0.5 to 1.5 parts of polyvinyl alcohol solution and 1 to 2 parts of polyurethane dispersion. The composite material comprises the following components in parts by weight: 30-60 parts of polypropylene, 0.3-0.7 part of a dispersing agent, 0.2-0.4 part of a defoaming agent, 0.8-1.6 parts of reinforced fibers and 9-13 parts of deionized water. The raw materials of the porous ceramic tile are reasonably designed, the sound insulation performance of the porous ceramic tile is improved, and full-band efficient sound insulation is achieved.

The invention provides a hot-state repairing material and a preparation method thereof, and belongs to the technical field of refractory materials. The hot-state repairing material provided by the invention is prepared from the following raw materials in percentage by mass: 87 to 98 percent of waste bricks, 0.5 to 4.5 percent of magnesium mineral micro powder, 0.5 to 5.0 percent of slag powder, 0.5 to 2.0 percent of dispersing agent, 0.2 to 1.5 percent of organic fiber and 0.1 to 0.5 percent of binding agent. According to the invention, waste bricks are used as aggregates, contain tiny pores, provide channels for reaction gas for heating the hot-state repairing material, and can be rapidly sintered with a furnace lining; the slag powder can be matched with the binder to improve the thermal adhesion rate of the thermal repairing material; the magnesium mineral micro powder can improve the reaction activity, and the dispersing agent assists the combination effect of the slag powder, so that the repairing material can be sintered through rapid reaction, and the compression strength and the erosion resistance are improved; and the organic fibers can form good filling among particles and fine powder, so that the compression strength and the erosion resistance are improved.

The invention provides a method for solidifying heavy metal ions in lithium slag, and belongs to the technical field of solidified lithium slag treatment. The method for solidifying the heavy metal ions in the lithium slag comprises the steps that lithium slag powder is taken as a base material, sodium fluoride, silicon carbide, sodium tetraborate and hydroxyapatite are added into the base material for dry mixing, and mixed powder is obtained; adding deionized water into the mixed powder to prepare a spherical green body; drying the spherical green body to obtain a dried green body; and sintering the dried green body, and cooling to room temperature to obtain the cured lithium slag ceramsite. According to the method, pollution-free treatment of the lithium slag is achieved, meanwhile, the treatment process is simplified, environmental damage is reduced, and resource utilization of the lithium slag is improved.

The invention belongs to the technical field of architectural ceramics, and particularly relates to a tempered high-strength impact-resistant ceramic sheet and a preparation method thereof. The toughened high-strength impact-resistant ceramic thin plate comprises a ceramic thin plate blank and a toughened coating which is arranged on the surface of the ceramic thin plate blank and is obtained by firing toughened coating slurry. A ceramic sheet reinforcing process is developed by referring to a stress structure of tempered glass, and the impact resistance and the bending strength of the material are remarkably improved by establishing the pressure stress layer on the bottom surface of the green body and cooperating with the pressure stress layer of the glaze layer, so that the application field of the ceramic sheet is widened.

The invention relates to a high-strength wear-resistant archaized brick and a preparation method thereof, and belongs to the technical field of archaized bricks, the high-strength wear-resistant archaized brick comprises the following raw materials: 25-30 parts of fly ash, 30-35 parts of superfine slag powder, 30-35 parts of clay, 8-10 parts of coke powder, 10-12 parts of diatomite, 12-15 parts of potassium feldspar, 10-15 parts of a modified binder and 8-12 parts of a reinforcing agent; according to the technical scheme, a polyhydroxy compound is combined with a silanization reinforcing filler, then combined with an anhydride compound and then combined with novolac epoxy resin, then an amine curing agent is added, and curing is conducted to obtain the modified binder; fly ash, superfine slag powder, clay and coke powder are subjected to ball milling, diatomite, potassium feldspar, a modified binder and a reinforcing agent are added, and the high-strength wear-resistant archaized brick is obtained through stirring, calcining and compression molding. The mechanical property, thermal stability and wear resistance of the archaized brick are improved on the whole, the densification degree of the archaized brick is enhanced, and the comprehensive performance is good.

The invention discloses a preparation method and application of a wind cap of a circulating fluidized bed gasifier, the wind cap is arranged at the bottom of a gasifier body, the wind cap mainly comprises a wind cap gas inlet, a wind cap gas outlet and a wind cap gas flow channel, and the wind cap gas flow channel is composed of a Tesla valve fluid channel. The air cap is prepared from modified fly ash through a combined method of freezing ball-milling nano modification, 3D printing coupling microwave-assisted sintering and salt bath chromizing strengthening. According to the method, a large amount of solid waste of fly ash can be consumed to realize carbon emission reduction, the efficiency of the circulating fluidized bed can be improved through structural optimization, meanwhile, the preparation cost of the hood can be reduced, and the method has relatively high application and popularization values.

This invention relates to a highly efficient functional ceramsite for purifying phosphorus-containing wastewater, its preparation method, and its application. Based on a complementary functional strategy, it uses natural clay rich in Al2O3 and SiO2 as a binder and calcium-rich industrial solid waste as the calcium-rich active component. Functional additives are also added to mitigate pH changes caused by calcium oxide reactions. The above raw materials are calcined at high temperature to obtain inexpensive, calcium-rich functional ceramsite with high mechanical strength, large adsorption capacity, and ecological safety. This effectively solves the common problems of increased water pH and poor phosphate adsorption capacity at neutral pH in calcium-based ceramsite, achieving highly efficient phosphorus purification in water. This invention uses inexpensive and readily available natural clay and calcium-rich industrial solid waste as raw materials, resulting in low cost, good effect, and effective application in the treatment of low-pollution water.

The invention discloses a preparation method of high-performance cordierite DPF honeycomb ceramic, and belongs to the technical field of honeycomb ceramic carrier preparation. The preparation method comprises the following steps: mixing raw materials; kneading mud; performing extrusion molding; drying and shaping; cutting and firing to obtain a cordierite honeycomb ceramic carrier; and performing boundary dimension processing, film covering, hole dotting, mud scraping and drying to obtain a finished product. According to the invention, aluminum hydroxide is adopted to replace or partially replace aluminum oxide in the formula of the cordierite porous ceramic structure while magnesium hydroxide is used, and the two substances can form a synergistic heat absorption mechanism by virtue of the difference of the aluminum hydroxide and magnesium hydroxide in thermal decomposition temperature, so that the heat absorption efficiency of the cordierite porous ceramic structure is greatly improved in the low-temperature coke discharge stage of a carrier mud blank. Aluminum hydroxide is subjected to a decomposition reaction before magnesium hydroxide, and then magnesium hydroxide is continuously decomposed at a higher temperature, so that the temperature range covered by the whole heat absorption process is greatly widened, the heating rate of the carrier mud blank is effectively slowed down, and thermal shock caused by sudden rising of local temperature is avoided.

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.

A non-Newtonian water-based composition for producing ceramic glazes for high-resolution digital application is described, which allows for texturing and decorating a ceramic substrate in a single deposition step. The invention is particularly useful in the field of production of tiles with an appearance similar to natural materials such as unpolished stone or wood.

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 daily high-strength environment-friendly ceramic and a preparation process thereof, and particularly relates to the field of ceramic materials, and the preparation process comprises the following steps: S1, preparation and molding of green body powder, S2, preparation of multifunctional glaze slip, and S3, glazing and sintering. By introducing the pre-compounded reinforced fiber, the SiO2-Al2O3 coating on the surface of the pre-compounded reinforced fiber and the ceramic matrix form strong interface bonding at high temperature, so that the comprehensive mechanical property of the green body is improved, the load is effectively transmitted and dispersed, and meanwhile, the fiber has remarkable toughening and impact resisting effects; due to the addition of the biomass derived porous carbon powder, the fracture toughness and thermal shock resistance of the material are further improved through the pore-forming and buffering effects of the biomass derived porous carbon powder; while high bending strength is maintained, impact toughness is improved in a breakthrough manner, and the composite material is more suitable for collision scenes in daily use.

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 relates to a digital spray microbead decorative ceramic tile and a preparation method thereof. The preparation method comprises the following steps: (1) preparing color blank powder from 95-99.9 wt% of basic blank square slurry and 0.1-5 wt% of ceramic pigment; the raw materials are subjected to ball milling and pulping and then sent to a spray drying tower, and green body powder of different colors is prepared and stored and aged for use; (2) the color powder is input into a material distribution mechanism to complete green body texture pattern arrangement, the green body powder is arranged into green body texture patterns through the material distribution mechanism, a pattern material cake is obtained, and the pattern material cake is fed into a pressing machine mold cavity to be pressed; (3) performing infrared drying on the green brick; applying engobe to the dried green bricks and drying the green bricks; (4) carrying out digital ink-jet pattern decoration on the green body; (5) spraying a primary binder to form a bonding layer; (6) spraying ceramic microbeads according to the designed texture through digital powder spraying equipment to form a microbead decorative layer with a concave-convex height difference on the surface; and (7) spraying a secondary fixing agent, namely spraying the fixing agent on the microbead decorative layer, curing and then firing.

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 relates to a method and equipment for preparing washing fly ash hollow microspheres based on electromagnetic kiln sintering. The method comprises the following steps: batching and grinding washing fly ash; placing the ground material in an aging tank, and adding an adhesive and a foaming agent to obtain slurry for molding and drying; putting the aged slurry into an atomizer at the top of a spray forming tower for spray drying to form a hollow microsphere blank; and sending the hollow microbead blank into an electromagnetic kiln for firing, and cooling to obtain the hollow microbead. The electromagnetic kiln is used for replacing a high-pollution traditional rotary kiln, and the problems of smoke and energy consumption are solved. The electromagnetic kiln directly heats the green body, the heat efficiency is higher than 80%, and the comprehensive energy consumption is reduced by 50% compared with that of a traditional rotary kiln; the material loss rate is less than 3%, the flue gas amount is reduced by 70%, and the flue gas treatment cost is greatly reduced; the green body is sintered from outside to inside through induction heating, the temperature uniformity is + / -5 DEG C, and the problem of microbead breakage caused by temperature fluctuation of a traditional rotary kiln is solved.

An artificial reef module for marine ecosystem restoration comprises a base having a lattice configuration and one or more poles projecting upwardly from the base and configured to support one or more artificial inhabitation units e.g., made by 3D printing, extrusion, pultrusion, or mold specific clay. The module can be configured with one or more of the artificial inhabitation units mounted on the poles, where each inhabitation unit may comprise a plurality of holes formed therein.

The invention discloses a multi-component magnesium refractory aggregate using copper slag flotation tailings as raw materials and a preparation method thereof, the multi-component magnesium refractory aggregate is obtained by using copper slag flotation tailings powder, light-burned MgO powder, magnesite powder and alpha-Al2O3 powder as raw materials through compression molding and calcination. The preparation method comprises the following steps: mixing the copper slag flotation tailing powder, the light-burned MgO powder, the magnesite powder and the alpha-Al2O3 powder in a mixer to obtain mixed powder; adding a binding agent solution into the mixed powder, and performing mechanical pressing to obtain a green body; and heating the formed green body to 950-1150 DEG C, preserving heat for 4-6 hours, finally heating to 1480-1580 DEG C, preserving heat for 4-6 hours, cooling, crushing, and screening to obtain the multi-component magnesium refractory aggregate. According to the method, the copper slag flotation tailing powder is used as the raw material, resource utilization of the copper slag flotation tailings is achieved, and the obtained multi-component magnesium refractory aggregate is suitable for a cement rotary kiln.

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 application belongs to the technical field of building ceramics, and particularly relates to a tempered high-strength impact-resistant ceramic sheet and a preparation method thereof. The tempered high-strength impact-resistant ceramic sheet comprises a ceramic sheet blank and a tempered coating layer obtained by firing a tempered coating slurry on the surface of the ceramic sheet blank. The ceramic sheet strengthening process is developed by referring to the stress structure of tempered glass. By establishing a compressive stress layer on the bottom surface of the blank, the compressive stress layer of the glaze layer is coordinated, the impact resistance and the bending strength of the material are significantly improved, and the application field of the ceramic sheet is widened.

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 invention provides a preparation method of solid waste ceramsite for sequestration of carbon dioxide, and relates to the technical field of carbon dioxide absorption and sequestration. The preparation method of the solid waste ceramsite for sequestration of carbon dioxide comprises the following steps: S1, raw material preparation; S2, granulation; S3, firing; S4, surface modification; the preparation method comprises the following steps: chemically modifying ceramsite by adopting amino silane, reacting at 60 DEG C for 4 hours, cleaning with deionized water, and drying at 80 DEG C; performance tests show that the modified solid waste ceramsite is beneficial to adsorption of carbon dioxide, and after the solid waste ceramsite is physically mixed with a certain proportion of zeolite, when the mass ratio of the ceramsite to the zeolite is 3: 1, the adsorption effect of the carbon dioxide can be further improved; when the addition amount is 3% of the mass of the raw materials, the carbon dioxide sealing performance of the ceramsite is remarkably improved.