735results about How to "High refractoriness" patented technology

The invention relates to an auxiliary material for casting a mould, in particular to a casting mould water-based coating formulation for a sand mould or an expendable pattern casting (EPC), and a process for preparing the same. The casting mould water-based coating formulation consists of refractory powder, a suspending agent, a bonding agent, a surfactant, a defoaming agent, a corrosion remover and water. The process comprises the following steps: adding the suspending agent to the water directly, and mixing and dispersing the mixture in a high speed dispersion machine; adding auxiliary agents including the defoaming agent, the surfactant, the corrosion remover, and the like to the water, and mixing the auxiliary agents; adding the refractory powder to the mixture to be mixed; and adding the bonding agent to the mixture to be mixed, and then adding water to adjust the coating until the coating has the thickness in a using state to obtain the finished product. The coating prepared by the process has the effects that the coating ensures that a high-density low-viscosity coating has excellent suspension property and storage stability, a coating layer is not easy to crack after drying, the coating is advantageous to improve the capacity of the coating to resist high temperature metal corrosion, and the like.

The invention relates to the melting coating of alcohol-base or water-base anti-penetrating sands, which uses the fireproofing bone materials, the floating agent, the felting agent, the reinforcing agent and the carrier as the preparing coating. The weight shares of the said coating are: 100,3-8,3-7,0.2-1.0 and 30-40. The invention uses chrome iron minerals as the main materials and is prior to any kinds of the traditional coating.

The invention relates to a production method of once-fired super-spar ceramic tile and the ceramic tile. The production method of the once-fired super-spar ceramic tile comprises the following steps: preparing green body powder; pressing a tile body; cleaning the green body; pouring ground glaze; printing; pouring overglaze; firing a glaze body at a high temperature; polishing; performing surface treatment; performing edge polishing; and packaging to obtain a finished product, wherein the overglaze comprises the following components in parts by weight: 5 to 13 parts of quartz powder, 3 to 20 parts of potassium feldspar, 20 to 28 parts of soda feldspar, 12 to 18 parts of dolomite, 3 to 6 parts of fired talc, 3 to 8 parts of kaolin, 14 to 22 parts of calcined kaolin, 3 to 8 parts of zinc oxide, 7 to 14 parts of barium carbonate and 3 to 6 parts of grammite. According to the invention, the problems that microlite has low wear resistance and is difficult to process in the prior art are solved, and the defect of water ripples caused by the situations that fully-polished glaze absorbs dirt, bottom is easy to expose and the tile surface is uneven is also solved. The super-spar product produced with the method has the advantages that the microlite is transparent, bright and smooth like a mirror and does not absorb dirt completely; and the fully-polished glaze is light, thin and wear-resistant.

The invention relates to an amorphous refractory; especially to an erosion resistance concast intermedium finish-go-home work sark. It uses magnetite as main raw material and the light-burned magnesium oxide, boric acid, silicon powder and aluminum powder as accelerator and the resin, starch gum and so on as insurance contract. It adds one or some kinds of chrome green, compound chrome-magnesite brick, magnesite-chrome brick. The raw material is that (wt%): the magnesite 5-1mm is 10-35%, 1-0.2mm is 10-35%, <=0.074mm is 20-40%, <=0.088mm admixture is 5-20%, <=0.088mm accelerator is 1-5%, starch gum is 5-12%. Each raw material has a certain quality technology index.

The invention discloses a glaze material for Jun red glaze and a process for preparing Jun porcelain from the glaze material. The glaze material consists of the raw materials of melilite, quartzite, calcite, white feldspar, copper ore, ZnO, SnO, GuO, talc, BaO, zirconium silicate and spodumene. The preparation process comprises the following steps: firstly, smashing roughcast raw materials and conducting moulding to fire a plain roughcast, then immersing the plain roughcast into slurry of the glaze material of the Jun red glaze for glazing, and when the slurry adhered on the surface of the plain roughcast is dried, putting the plain roughcast in a kiln for firing, so as to obtain the Jun red glaze Jun porcelain. According to the glaze material for the Jun red glaze and the process for preparing the Jun porcelain by utilizing the glaze material, spodumene and zirconium silicate are added in the glaze material for the Jun red glaze, so that the fired Jun red glaze Jun porcelain is bright in color, mild and smooth in glaze surface, and uniform in cracking, and breaks through the condition that the general Jun red glaze Jun porcelain is dim in color and nonuniform in cracking; the Jun porcelain is taken as the specialty of China, and represents the advanced level of the manufacture process of China, and the social value of the Jun porcelain is improved.

The invention belongs to the technical field of refractory materials, in particular to an aluminum chrome refractory material, which takes white fused corundum as a body and is formed by adding scraps (the scraps are collected and crushed into the synthetic size) generated in the cold processing process of a dense chromic oxide product, Alpha-Al2O3 powder or chrome oxide green or white fused corundum powder and sintering at a high temperature in combination with an inorganic binding agent or an organic binding agent. A product obtained in the invention can be widely applied to a coal water slurry gasification furnace back lining, a hard carbon black reaction furnace inner lining, a residual oil gasification furnace inner lining in the petrochemical industry, a glass wool molten pool inner lining and the like, fully and effectively makes use of the scraps generated in the cold processing process of the dense chromic oxide product and has the characteristics of low impurity content, high refractoriness, excellent physical performance, good thermal shock resistance and strong erosion resistance.

The invention relates to a Ru-kiln celadon ware and a preparation process thereof. According to the invention, kaolin, flint clay and feldspar are adopted as blank raw materials; the blank raw materials are crushed and are subjected to wet grinding with water; quartz, feldspar, calcite, hematite, ophiolite, bone ashes, and wind cave earth calcined under 900-950 DEG C are adopted as glaze raw materials; the glaze raw materials are crushed and are subjected to wet grinding with water, until a slurry water content is regulated to 80%; a prepared blank is subjected to biscuit firing and is fetched; an obtained glaze is applied on the blank; the blank with the glaze is immediately placed in a kiln and is subjected to stepped heating and firing; after firing, heating is stopped, and the obtained ware is fetched. According to the prepared Ru-kiln ware, cracked-glaze effects with different degrees can be realized. The ware is gentle, delicate, elegant, and natural. The ware is superior among Ru-kiln wares.

A lining material of tundish for conticasting contains magnesium sand (80-95 wt.%), alumina (1-10 wt.%), soft clay (1-5 wt.%) and thermoplastic organic compound (2-15 wt.%). Its advantages are high strnegth, anticorrosion power, and high conticasting productivity.

The invention discloses a paper pouring gate pipe for casting. The paper pouring gate pipe for casting is prepared from organic fibers, inorganic fibers, sintered refractory, a binder, a waterproof and dampproof agent, an enhancer, a filter aid and a fluxing agent. The invention further discloses a manufacturing method of the paper pouring gate pipe for casting. According to the paper pouring gate pipe for casting and the manufacturing method of the paper pouring gate pipe for casting, compared with a refractory ceramic pouring gate pipe component adopted all the time, the paper pouring gate pipe for casting manufactured based on the paper pulp molding technology has the beneficial effects that the weight is low, operation is easy, little waste is generated after a casting is cast, treatment is easy, labor and time are saved, energy saving and environment friendliness are achieved, the environment is not polluted, and environment friendliness is achieved.

The invention discloses a high-temperature wear-resisting coating for casting and a preparation method thereof. The coating comprises the following components: a fireproof material, a carrier, a bonding agent, a suspension agent and an auxiliary agent. The invention further designs the preparation method of the high-temperature wear-resisting coating for casting. The preparation method comprises the following steps: putting the suspension agent and the carrier into a dispersion machine and uniformly agitating; then adding the fireproof material and continually agitating; and slowly adding the bonding agent and the auxiliary agent in sequence under an agitating state; and agitating uniformly to obtain the high-temperature wear-resisting coating for casting. The high-temperature wear-resisting coating for casting is low in price, and is clean and is free from pollution; the preparation method is simple and the coating is high temperature resistant and wear resistant and is not easy to release; and a die for casting can be protected and the quality of a casting piece can be improved.

The invention discloses a composite bonded silicious hot repair material, which belongs to the technical field of refractory materials. The repair material comprises the following compositions in percentage by weight: 45 to 55 percent of silicious clinker aggregate, 8 to 12 percent of silicious clinker powder, 20 to 30 percent of natural silica powder, 8 to 12 percent of complex binder, 3 to 5 percent of plasticizer, and 1 to 1.5 percent of dispersant. The silicious clinker aggregate and the silicious clinker powder are waste main crown silica bricks (SiO2 is more than or equal to 95 percent) and fused quartz tubes or fused quartz wedges (SiO2 is more than or equal to 98 percent), SiO2 is more than or equal to 96 percent in natural silica, the complex binder is formed by compounding an SiO2 ceramic bond and a phosphorous acid (phosphate) chemical bond, the plasticizer is white clay or bentonite, and the dispersant is silica fume. The repair material is processed according to the particle size. The invention can satisfy various conditions proposed by hot repair of a kiln to the repair material, can also realize the aims of saving energy sources and increasing the service life of the kiln, and can also be used for filling or building positions which are not suitable for silica brick masonry during the cold repair at the same time.

The invention relates to a reproducible high-aluminum fireproof raw material utilizing ferrotitanium slag as a main material and a preparation method thereof. The technical scheme is as follows: grinding ferrotitanium slag globules until the granularity is less than or equal to 100 mu m, putting the ferrotitanium slag powder into a muffle furnace, and incinerating at a temperature of 700-750 DEG C for 3-5 hours; adding 1-3mol / L hydrochloric acid solution into the incinerated ferrotitanium slag powder, wherein the mass ratio of the incinerated ferrotitanium slag powder to the hydrochloric acid solution is 1:(2-3); stirring, washing with water and performing suction filtration, thereby obtaining precursor ferrotitanium slag powder; then adding water which accounts for 10-15wt% of the precursor ferrotitanium slag powder into the precursor ferrotitanium slag powder, performing wet grinding until the granularity is less than or equal to 60 mu m, performing vacuum mud extrusion molding, and ageing the mixture for 36-48 hours; and putting the mixture into a resistance furnace, heating to 1500-1550 DEG C, performing heat preservation for 1-3 hours, and crushing, thereby obtaining the reproducible high-aluminum fireproof raw material utilizing the ferrotitanium slag as the main material. The preparation method has the characteristics of simple process, low production cost and no special requirements on equipment; and the prepared reproducible high-aluminum fireproof raw material is high in fire resistance and favorable in sintering performance.

The invention discloses baking-free cylindrical attapulgite fire-retarding ceramsite. The key point of the technical scheme is that the baking-free cylindrical attapulgite fire-retarding ceramsite consists of high-viscosity attapulgite clay powder, attapulgite clay tailing powder, granulated blast-furnace slag powder, iron tailing powder, coal gangue powder, bauxite tailing powder, kieselguhr tailing powder and aluminate cement. The baking-free cylindrical attapulgite fire-retarding ceramsite is produced by the following steps of mixing the ingredients, granulating, maintaining, sieving and packaging. The baking-free cylindrical attapulgite fire-retarding ceramsite has a rough and hard surface, and is high in compression strength, low in heat conductivity, high in refractoriness and corrosion resistance and good in heat-preserving and sound-insulating effect; and a large amount of fine pores are formed in the ceramsite,. The baking-free cylindrical attapulgite fire-retarding ceramsiteis produced by utilizing multiple tailings comprehensively, so that the utilization rate of resources is improved, waste materials are changed into wealth, and environment is protected. Besides, the baking-free cylindrical attapulgite fire-retarding ceramsite is suitable for producing fire-retarding ceramsite concrete and heat-preserving and sound-insulating materials.

The invention provides environment-friendly stemming for a blast furnace. The stemming is prepared from aggregate, silicon carbide, titanium dioxide, white mud, coke dust, micropowder and a binding agent. The method for preparing the stemming comprises the following steps: proportioning aggregate, silicon carbide, titanium dioxide, white mud, coke dust and micropowder according to the mass percentage; performing dry mixing and grinding, adding the binding agent, and performing wet mixing and grinding to obtain the environment-friendly stemming for a blast furnace. The stemming has the advantages of small shrinkage rate, excellent thermal shock resistance, excellent washing resistance and excellent erosion resistance, and once tapping time reaches 100-180 minutes; in-situ generated TiC has an effect of protecting the furnace, and the service life of the furnace can be prolonged; T60 carbon-containing resin and phenolic resin are used as the binding agent to reduce generation of cancerogenic smoke and improve the operation environment.

The invention relates to a honeycomb heat accumulator made of silicon carbide-corundum composite materials, which comprises the following main raw materials: 20-30wt% of silicon carbide powder, 4-8wt% of zirconia corundum powder, 20-30wt% of corundum powder, 15-20wt% of porzite powder, 15-30wt% of composition of kyanite, andalusite and sillimanite, 4-8wt% of kaolin and 2-5wt% of cellulose powder. The preparation method of the honeycomb heat accumulator comprises the following steps: adding the main raw materials into a ball mill for ball milling; adding stearic acid of which the weight is not greater than 1% of the total weight of the main raw materials for ball milling, and then, sieving to obtain a mixture; respectively adding tung oil of which the weight is not greater than 1% of the weight of the mixture and glycerol of which the weight is not greater than 1% of the weight of the mixture for mixing, aging and vacuum pugmill to form pug segments; carrying out extrusion forming in a mold, and drying; and insulating at the temperature of 1400-1450 DEG C for 4-8 hours, and then, calcining. The honeycomb heat accumulator of the invention has the characteristics of high fire resistance, good thermal shock resistance, strong corrosion resistance, large heat exchange area, small gas flow resistance, high heat accumulating efficiency, small floor space and long service life which can be more than two years, and is widely used for heat accumulating type heating furnaces of black and non-ferrous smelting, thermal power generation, petrochemical industry, ceramics, glass, machining, civil cookers and the like.

The invention discloses a high-temperature wear-resistance brick, which is prepared from a raw material comprising the following chemical components in form of oxide in part by weight: 70 to 75 parts of Al2O3, 17 to 22 parts of SiO2, 5 to 7 parts of ZrO2 and Hf2O, 0.9 and 1.2 parts of Na2O, and 0 to 5 parts of Fe2O3, TiO2, CaO and MgO. The crystalline phase of the product consists of 38 to 45 percent of corundum, 38 to 45 percent of mullite, 5 to 7 percent of monoclinic zirconia and the balance of a glass phase. The refractoriness of the high-temperature wear-resistance brick prepared by the invention is above 1,750 DEG C, the pressure strength of the high-temperature wear-resistance brick is over 250MPa, and the high-temperature wear-resistance brick can be well used on a part where a wear-resistance and high-temperature-resistance material is required, and particularly the high-temperature wear-resistance brick can be used for building liner of a rotary calcining furnace to greatly improve the service life and economic benefit of the rotary calcining furnace. The invention also discloses a casting method of the high-temperature wear-resistance brick.

The invention relates to a technology for preparation of refractory material, and especially to a composite refractory of non-oxidized substance used in a hot-metal launder of consecutive pre-processing. The composite refractory of non-oxidized substance used in a hot-metal launder is characterized in that it contains (wt %) 50-70 % of corundum material, 15-30 % of silicon carbide, 3-10 % of silicon nitride, 3-10 % of silicon nitride tiny powder, 1-5 % of charcoal material, 1-3 % of silicon anti-oxidization agent, 6-15 % of additional silicasol astringent, and a few additives containing anti-knock agent and dispersing agent with 0.15-1.5 % by wt. The refractory material of the said invention can resist the erosion of the hot-metal and the molten ash and is of strong erosion ability, uniform and high-integrity structure, high intensity at a medium-high-temperature, strong stability of resistance to heat shocks and of volume of material, and strong resistance to oxidation, so it adapts to the process requirement of the desired hot-metal launder of consecutive pre-processing.

The invention provides a water-based self-drying / quick-drying sand type casting coating and a preparation method thereof, wherein the water-based self-drying / quick-drying sand type casting coating is high in drying speed, little in pollution / pollution-free, safe to use, low in manufacture cost and high in sintering and stripping rate. The preparation method takes natural fireproof materials which are not calcined or electrically molten, such as zircon powder, chromite powder or zirconic composite silicate mineral powder, as basic materials, adopts a normal-temperature cured-type modified macromoleclar polymer as a main normal-temperature self-drying / low-temperature quick-drying binder, takes a quick-drying type silicate binder as a main high-temperature binder, adopts an efficient composite suspension dispersant high in fire-resistant degree and low in hot shrinkage rate and is added with proper amounts of efficient water reducing agents and defoaming agents to prepare a steel-iron casting water-based self-drying / quick-drying coating which is high in content of solid (nonvolatile matter) and low in permeability. The water-based self-drying / quick-drying sand type casting coating is excellent in thixotropy, brushing property and quick-drying function, thereby achieving the aim of saving energy, improving the environment and improving the quality of castings. The water-based self-drying / quick-drying sand type casting coating is applicable to the field of casting coatings.

The invention provides a ladle permanent lining pouring material capable of rapid roasting. The pouring material mainly comprises 45-75 parts of high bauxite, 10-20 parts of high-alumina hollow spheres, 3-5 parts of cyanite powder, 3-5 parts of alumina micro powder, 5-7 parts of silica micro powder, 3-5 parts of pure calcium aluminate cement, 0.5-1.5 parts of basic aluminium lactate powder, 0.02-0.06 part of metal aluminium powder, 0.1-0.3 part of organic fibres, and 0.1-0.3 part of water reducer. The pouring material capable of rapid roasting, provided by the invention, has the characteristics of being high in strength and refractoriness, good in thermal shock resistance, low in volume density and thermal conductivity, and considerable long in service life.

The invention relates to the technical field of 3D printing sand mold casting and in particular to a water based flow coating for a 3D printing sand mold and a preparation method of the water based flow coating. The water based flow coating is prepared from zircon powder, white corundum, high-aluminum fine powder, ferrochrome mineral powder, pyrophyllite powder, sillimanite powder, cyanite powder, andalusite powder, spodumene powder, sodium bentonite, sea-foam stone powder, polyvinyl alcohol, polyvinyl acetate emulsion, phosphate, silica sol, sulfonated dioctyl succinate sodium salt, preservative, a defoaming agent, fluorite, iron oxide red and water. The water based flow coating for the 3D printing sand mold has the advantages of excellent mobility, appropriate permeability, good leveling property, high-efficiency suspension stability, appropriate coating thickness, super strong anti-burn-on property, environment protection, no pollution and high efficiency.

The invention discloses magnesium-aluminum spinel casting sand prepared by sintering bauxite raw material and industrial magnesium oxide and a preparation process of the magnesium-aluminum spinel casting sand. The magnesium-aluminum spinel casting sand comprises the following main raw materials: 72.9% of bauxite raw material, 98% of magnesium oxide and the like. The preparation process comprises the following steps: weighing bauxite and industrial magnesium oxide powder according to a stoichiometric ratio, adding an appropriate amount of binders, mixing the materials, performing wet grinding, drying, pelletizing in a pelletizing machine, finally putting into a silicon molybdenum rod box type furnace for sintering and performing heat preservation at 1,550 DEG C for 5 h, cooling with the furnace, and then screening to obtain the magnesium-aluminum spinel casting sand. The novel spherical sand prepared by the preparation process disclosed by the invention has the characteristics of high temperature resistance, high strength, low thermal expansion rate, good anti-sticking sand performance, good recycling performance, low production cost and environmental friendliness; in the application aspect, the magnesium-aluminum spinel casting sand is suitable for molding methods of water glass, resin, bentonite and the like, and is suitable for precision casting, expendable pattern casting, V process casting and polishing treatment of nonferrous metals.

The invention discloses raw materials for preparing an anti-corrosion mullite brick, comprising calcium hexaluminate, andalusite, sillimanite, alumina, cordierite, pyrophyllite, kaolin, refractory oxide, foaming agent and binding agent. The preparation method includes the following steps: the sillimanite, alumina, cordierite, pyrophyllite, kaolin, refractory oxide and binding agent are added into a grinding machine to be ground after material preparation, so as to obtain base material; the calcium hexaluminate and andalusite are added into a kollermill to be mixed and milled for 5-10 minutes, water is added until the surface is wetted, so as to obtain particle aggregate, and the base material is added into the kollermill to be mixed, milled and stirred with the particle aggregate, so as to obtain mixture; and water is injected into the mixture and stirring is carried out to form muddy mixture and green brick is obtained, and the green brick is placed into a kiln to be sintered into the anti-corrosion mullite brick finished product. The mullite brick prepared by the raw materials and preparation method has the advantages of low thermal conductivity, good thermal insulation property and strong corrosion resistance.

The invention discloses a process for a large high-alloy steel resin bonded sand mould composite coating. The large high-alloy steel resin bonded sand mould composite coating comprises three layers of coatings, wherein the primer is an alcohol based coating, the second layer is a composite aggregate waterborne coating, and the outermost layer is a waterborne coating. When in use, the three layers of coatings are coated under the control of a certain Baume degree. In the composite coating, the primer has strong adhesion to a sand mould and ensures shielding performance of the coating; the second layer is the composite aggregate waterborne coating, which not only increases the sintering property of the coating, but also reduces the production cost; the top coating is a zircon powder waterborne coating, which ensures sufficient refractoriness in contract with molten steel, achieves better levelling property and higher surface fineness than an alcohol based coating, effectively improves the surface quality of a casting and achieves high comprehensive property than a single coating. By the process of the composite coating, excellent comprehensive property is achieved, the thickness of the coating is reduced by 20%, and the size accuracy of the casting is improved greatly.

The invention discloses a high-melting metal liquid die forging coating, a preparation method and a using method thereof, which can effectively solve the problem of short service life of a high-melting metal liquid die forging die. A bottom layer and a surface layer are consists of 100 portions of 200-500 mesh matrix, 100-300 portions of carrier, 2-25 portions of a cementing agent, 0.1-25 portions of suspending agent and 0.01-0.05 portion of foam suppressor. The matrix of the surface layer coating is forsterite or chromite, while the matrix of the bottom layer coating is processed diatomite. The suspending agent is the mixture of sodium bentonite and CMC sodium salt. The cementing agent of the surface layer coating is the mixture of aluminum phosphate and sodium hexametaphosphate, while the cementing agent of the bottom layer coating is the mixture of soluble glass and sodium hexametaphosphate. The components are evenly blended according to the proportion and stand for 3-8 hours to be ready for use. When in use, the bottom layer coating is coated on the surface of a metal die which is preheated to the temperature of 150-300 DEG C; after drying, the surface layer coating is coated on the bottom layer coating, and then liquid die forging is carried out after drying.

The invention discloses a low-thermal-conductivity mullite tin bath combined top cover brick prepared from the following raw materials by the mass percentage: 40.5%-65% of a mullite aggregate, 8%-15% of calcium aluminate cement, 4%-10% of a silica micropowder, 10%-18% of an alumina micropowder, 5%-13% of a mullite fine powder, 2%-3% of a mineralizing agent, and 0.1%-0.5% of a water reducing agent. The low-thermal-conductivity mullite tin bath combined top covering brick has the advantages of small thermal conductivity coefficient, small proportion, light weight, high strength, good thermal shock resistance, high refractoriness (greater than 1700 DEG C) and the like; the tin bath combined top cover brick is used in a top cover of a tin bath, greatly reduces the kiln body weight, and reduces the kiln body heat capacity while saving cost; the tin bath combined top cover brick has good thermal shock resistance, and has the service life of a kiln improved greatly; and the tin bath combined top cover brick has the advantages of small thermal conductivity coefficient, good thermal insulation effect and little heat loss, significantly improves the thermal utilization efficiency, saves energy, greatly reduces the energy consumption, and is suitable for popularization and application.

The invention relates to a method for preparing lightweight high-strength foam glass, which comprises the following steps of: firstly, cleaning cullet, drying the cleaned cullet, and performing ball milling to form powder; secondly, mixing the cullet powder, SiC, borax, NaNO3 and high-strength high-temperature resistance fibers to obtain a batch mixture; thirdly, adding the batch mixture into a heat resistant steel die, and performing compaction and die filling; and finally, transferring the die into a foaming furnace, and sintering in phases of preheating, foaming, foam stabilization, rapid cooling and annealing to obtain the foam glass. The method is favorable for utilizing waste and protecting environment, and the prepared foam glass has the advantages of low density, high strength, low conductivity factors, simple preparation process and simple and convenient construction and operation. Therefore, the method can protect environment effectively and turn waste into wealth, and the high-strength foam glass block can absorb explosion energy, and reduce the physical and property damage caused by collapse of wall construction materials due to terrorist attacks or natural disasters.

The invention relates to a production method of paint and in particular relates to a production method of an alcohol-based flow coating paint for cast iron. The production method of the alcohol-based flow coating paint for the cast iron comprises the following steps: adding a dissolved rosin liquid and a pretreated bentonite liquid into a dispersing kettle, then sequentially adding ethanol, a combustion-supporting agent, isopropyl alcohol and a thickening agent in residual content, carrying out electric stirring, sequentially adding polyvinyl butyral, a silicate composite suspending agent, a defoaming agent and a surface active agent into the dispersing kettle, regulating the stirring rate to be 500r / min after charging is finished, sequentially adding flake graphite and mullite into the dispersing kettle, regulating the stirring rate after charging is finished, dispersing, sequentially adding quartz powder and white corundum into the dispersing kettle, regulating the stirring rate to be 1200r / min after charging is finished, dispersing for 20 minutes, and discharging. The production method of the alcohol-based flow coating paint for the cast iron is unique, and the produced alcohol-based flow coating paint for the cast iron has the advantages of superior liquidity, good levelling property, high suspension stability, heat shock crack resistance, high temperature stability, sand burning resistance and low gas-forming property.

The invention discloses a refractory ceramic tile and a preparation method thereof. The refractory ceramic tile is prepared from the following raw materials in parts by weight: 50-60 parts of cobblestone, 10-20 parts of cullet, 15-25 parts of apatite, 20-30 parts of bauxite, 10-15 parts of datolite, 16-22 parts of perlite, 9-16 parts of serpentine, 3-6 parts of floating bead, 12-18 parts of dickite, 5-10 parts of asbestos powder, 4-8 parts of mica powder, 10-15 parts of nanometer aluminum hydroxide, 4-6 parts of nanometer zirconia and 15-20 parts of modified clay. The ceramic tile has excellent high temperature resistance, has the refractoriness of over 1200 DEG C, is high in strength, low in shrinkage rate and wide in market prospect, has acid and alkali corrosion resistance and ageing resistance and can be applied to special occasions at relatively high temperature.

The invention discloses a lightweight refractory for a glass smelting kiln. The lightweight refractory is prepared from the following raw materials in percentage by weight: 40-60% of micropored lightweight mullite aggregates, 5-15% of high-temperature cement, 5-10% of silica powder, 6-18% of high-alumina powder, 4-12% of clay powder, 2-8% of expansion agents and 0.1-0.3% of water reducing agent. The lightweight refractory has the advantages of small proportion, light weight, high strength, good thermal shock resistance, high refractoriness (higher than 1650 DEG C), low thermal conductivity and the like. Being used for the glass smelting kiln instead of the common large clay brick materials, the lightweight refractory can greatly reduce the weight of the kiln by 30-60% and reduce the heat capacity and has good thermal shock resistance, thus greatly improving the service life of the kiln; meanwhile, the lightweight refractory has low coefficient of heat conductivity, good heat insulation effect and little heat loss, saves the cost, obviously improves the heat utilization efficiency and saves the energy.

The invention discloses spherical attapulgite fly ash ceramsites. The key point of the technical scheme of the invention is that: the spherical attapulgite fly ash ceramsites consist of high-viscosity attapulgite clay powder, attapulgite clay tailing powder, fly ash, kaolin tailing powder, quartz sand tailing powder and wood dust powder. The spherical attapulgite fly ash ceramsites are prepared by mixing, pelletizing, baking, cooling, screening and packaging ingredients of the spherical attapulgite fly ash ceramsites. The spherical attapulgite fly ash ceramsites are spherical, are rough and firm on the surfaces, are provided with a large quantity of fine air holes, and are building ceramsites with light weight, high strength, low heat conduction coefficient, high refractability, high chemical stability, durability and high heat preserving and sound insulating performance. The spherical attapulgite fly ash ceramsites are produced by comprehensively utilizing fly ash and tailings. Resource utilization ratio is increased, waste is turned into valuable, and the environment is protected. The spherical attapulgite fly ash ceramsites are suitable for producing ceramsite concrete and heatpreserving and sound insulating materials.