936 results about "Aluminum silicate" patented technology

A fireproof magnesium oxide board is prepared by mixing the following raw materials, the raw material names and weight parts are as follows: 80-100 parts of magnesium oxide; 20-30 parts of anhydrous magnesium chloride; 10-20 parts of modified expanded vermiculite foaming agent; 20-30 parts of aluminum silicate fiber; 5-10 parts of sawdust; 10-15 parts of fly ash; 8-12 parts of glass magnesium board crushed powder; 1.5-5 parts of non-woven fabric; 10-20 parts of water; wherein the modified expanded vermiculite is prepared by the following steps: (1) Vermiculite is incompletely expanded and calcined; (2) acrylic acid monomer, sodium hydroxide, acrylamide monomer, initiator potassium persulfate, crosslinking aid pentaerythritol polyglycidyl ether, incompletely expanded vermiculite, and water are taken, stirred evenly and ultrasonically dispersed to obtain a first reaction solution, which is placed in a reactor for reaction to obtain a gel material; (3) the gel material is preliminarily crushed and dried, and then further crushed in a ball mill to obtain a fire-resistant expanded vermiculite with water absorption performance.

The invention discloses a heat-insulating ceramic fiber board and a preparation method thereof. The heat-insulating ceramic fiber board comprises the following raw materials in parts by mass: 96-114 parts of aluminum silicate fiber mixed cotton, 4-6 parts of zirconium oxide fiber, 9-12 parts of alkaline silica sol, 12-15 parts of a water-based resin dispersant, 8-10 parts of aluminum oxide fine powder and 5-8 parts of high-temperature ceramsite sand. Wherein the aluminum silicate fiber mixed cotton is a mixture composed of aluminum silicate fiber raw cotton, aluminum silicate fiber broken cotton and aluminum silicate short fibers. The heat insulation ceramic fiber board is high in strength, long in service life, low in heat conductivity coefficient and good in heat insulation performance.

The invention relates to a transparent lithium aluminum silicate glass ceramic, as well as the use of a transparent lithium aluminum silicate glass ceramic.

The invention discloses a silicon-carbon composite material which comprises porous carbon, silicon-containing particles are distributed on the surface of the porous carbon and in pore channels, the surfaces of the silicon-containing particles are coated with aluminum silicate layers, and the surface of the porous carbon is coated with a carbon layer. The invention also discloses a preparation method of the silicon-carbon composite material, which comprises the following steps: sequentially carrying out vapor deposition on the porous carbon by using silane, aluminum steam and vapor carbon to obtain the silicon-carbon composite material. The invention also discloses an application of the silicon-carbon composite material in a negative electrode material. When the silicon-carbon composite material is used in the lithium ion battery, the initial coulombic efficiency and the capacity retention rate of the lithium ion battery can be improved, and the expansion rate of a pole piece is reduced.

The invention discloses a carbon nanotube-aerogel-aluminum silicate super-hydrophobic anti-icing material and a preparation method thereof. The composite material comprises a photo-thermal carbon nanotube-aerogel super-hydrophobic composite solution and an aluminum silicate fiber substrate. The photo-thermal carbon nano tube-aerogel super-hydrophobic composite solution is a composite solution formed by mixing carbon nano tubes, aerogel particles, resin, a low-surface-energy modifier and a diluent, the material can improve the moisture-proof and heat-insulating capacity of aluminum silicate fibers used in an outdoor high-humidity environment, photo-thermal conversion loss is reduced due to the super-hydrophobicity of the surfaces of the aluminum silicate fibers, and the photo-thermal conversion efficiency is improved. Therefore, the photo-thermal deicing efficiency of the surface is improved.

The invention belongs to the technical field of glass manufacturing, and particularly relates to anti-falling and anti-scratching lithium aluminum silicate glass and a preparation method thereof.The anti-falling and anti-scratching lithium aluminum silicate glass is prepared from, by mass, 250.0%-65.0% of SiO2, 10.0%-20.0% of Al2O3, 2.0%-8.0% of Na2O, 1.0%-5.0% of K2O, 1.0%-5.0% of MgO, 1.0%-5.0% of ZrO2, 2.0%-8.0% of Li2O, 0.1%-2.0% of CaO, 1.0%-5.0% of Y2O3, 0.1%-5.0% of BaO and 0.05%-0.5% of additives; the additive is one or more of Fe2O3, Co2O3, CuO and Cr2O3; the mass ratio of BaO to Y2O3 is 1: (2-4). The problems of long founding time, low ion exchange process efficiency, low hardness, low bending strength and poor high-temperature stability of the existing lithium aluminosilicate glass preparation process are solved.

The invention provides a precise rolling process for a high-carbon cobalt-based wear-resistant stellite 6B alloy plate, and mainly relates to the field of plate rolling. The rolling process comprises the working procedures of stellite 6B alloy plate blank heating, aluminum silicate fiber cotton wrapping, hot rolling, machining, precise rolling, coping, inspection and the like. The stellite 6B alloy plate prepared by the method is excellent in wear resistance, meets the use requirements of high-performance plates on wear resistance, long service life and high strength, and has a good market application prospect.

The invention relates to the technical field of agricultural fertilizers, and particularly discloses a magnesium aluminum silicate mineral derived layered magnesium aluminum bimetallic oxide-silicon oxide composite material as well as a preparation method and application of the magnesium aluminum silicate mineral derived layered magnesium aluminum bimetallic oxide-silicon oxide composite material. Magnesium / aluminosilicate minerals are successfully converted into the layered magnesium-aluminum bimetal oxide-silicon oxide composite material with a high specific surface area and a developed pore structure, and the layered magnesium-aluminum bimetal oxide-silicon oxide composite material is combined with nutrients through a simple and convenient fertilizer preparation process to prepare the slow-release fertilizer. The slow-release fertilizer has the advantages of cheap and easily available raw materials, simple and efficient preparation process, stable slow-release performance, soil improvement effect and the like, and provides an efficient and environment-friendly new way for development of the slow-release fertilizer; the method has important significance for promoting sustainable agricultural development and realizing high-value utilization of silicate minerals in the agricultural field.

The invention provides a rare earth heat insulation coating and a preparation method thereof. The coating comprises the following components in parts by weight: 50-60 parts of acrylic resin, 10-15 parts of polyurethane modified epoxy resin, 5-8 parts of nano rare earth powder, 3-5 parts of filler, 0.5-1 part of a coalescing agent, 1-2 parts of a defoaming agent, 1-3 parts of a dispersing agent, 0.5-1 part of an ultraviolet light absorber and 1-2 parts of a silane coupling agent. Wherein the nano rare earth powder comprises lanthanum oxide powder, cerium chloride powder and yttrium hexaboride powder, and the filler comprises nano hollow microspheres, nano calcium carbonate and nano aluminum silicate. The rare earth heat insulation coating has excellent heat insulation effect and mechanical property, and can be applied to various scenes.

The invention discloses a porous ceramic filter for liquid magnesium alloy purification and a preparation method thereof, and the porous ceramic filter comprises the following raw materials in percentage by mass: 70-85wt% of ceramic particles, 8-15wt% of multi-element oxide system microcrystalline glass brazing filler metal and the balance of a binder, al2O3-B2O3-SiO2-MgO-CaO multi-element oxide system microcrystalline glass brazing filler metal is adopted, under the condition of air atmosphere high-temperature calcination, a compact reaction layer containing a low-melting-point glass phase, an aluminum oxide phase, a magnesium aluminate spinel phase, a calcium aluminosilicate phase, a borate phase and a silicate phase is generated on the surfaces of ceramic particles of a porous ceramic filter through a chemical reaction; the magnesium alloy filter has high strength and good high-temperature stability, and the problems that the filter loses efficacy and magnesium alloy melt is polluted due to the fact that the filter is eroded by magnesium alloy liquid are effectively solved.

The invention relates to the technical field of building materials, and discloses portland cement-based multi-component concrete and a preparation method thereof.The portland cement-based multi-component concrete is formed by mixing portland cement serving as a base material and fly ash, fiber materials and the like serving as auxiliary materials, and aluminum silicate fibers are modified by using a polymeric macromolecular modifier, so that the strength of the portland cement-based multi-component concrete is improved; the surface of the aluminum silicate fiber is coated with a large number of polymeric macromolecular modifier molecular chains, the whole prepared fiber material is of a micro-dendritic three-dimensional structure, when the fiber material is mixed with cement and other base materials, the micro-dendritic three-dimensional structure can extend to all areas of a cement matrix to form a mortise and tenon joint type structure, and the strength of the fiber material is improved. Therefore, the self-reinforcing effect is efficiently exerted, and the mechanical strength, the crack resistance and the like of the concrete are improved.

The invention discloses a preparation method of a multifunctional group synergistic modified aluminum silicate nanofiber membrane, which comprises the following steps: modifying aluminum silicate nanofiber by using an amino silane coupling agent to obtain aminated aluminum silicate nanofiber; grafting a polyamino compound to the surface of the aminated aluminum silicate nanofiber by utilizing the cross-linking effect of 1, 3-dichloropropanol through a substitution reaction of amino and chlorine, so as to obtain a multifunctional aluminum silicate nanofiber; 2-butenal is modified on the surface of the multi-functionalized aluminum silicate nanofiber by utilizing an ammonia-aldehyde condensation reaction, so that the multi-functionalized aluminum silicate nanofiber rich in double bonds is obtained; carrying out cross-linking polymerization by taking itaconic acid as a monomer and the multi-functional aluminum silicate nanofiber rich in double bonds as a cross-linking agent, then carrying out suction filtration to form a membrane, and drying to obtain the multi-functional synergistic modified aluminum silicate nanofiber membrane with the gram weight not exceeding 15g / m < 2 >. According to the invention, high-efficiency adsorption of heavy metals is realized, and the problem that aluminum silicate nanofibers are not easy to recover is solved.

The invention relates to the field of rubber sealing rings, and discloses a refrigerant-resistant HNBR sealing ring and a preparation method thereof. The refrigerant-resistant HNBR sealing ring is prepared from the following raw materials in parts by weight: 100-120 parts of HNBR, 45-55 parts of nano modified magnesium aluminum silicate, 40-50 parts of white carbon black, 10-20 parts of a plasticizer, 6-10 parts of a cross-linking agent, 5-8 parts of an active agent, 5-8 parts of a vulcanizing agent and 1-3 parts of an anti-aging agent, the preparation method comprises the following steps: mixing the raw materials, tabletting and cutting; and carrying out mold pressing vulcanization forming and punching. The preparation process is simple, and the prepared HNBR sealing ring is applied to a new energy automobile air conditioner, is suitable for a cold and heat cycle environment, has relatively good flexibility, and can keep relatively good aging resistance and sealing performance when being in contact with a refrigerant for a long time.

The invention relates to the technical field of ceramic materials, in particular to an anti-falling ceramic material, a preparation method and application of the anti-falling ceramic material in ceramic ornaments.The anti-falling ceramic material is prepared from, by weight, 25-30 parts of silicon carbide, 15-20 parts of kaolin, 8-12 parts of quartz, 5-8 parts of alumina silicate fiber doped zirconium oxide agent and 4-7 parts of boron nitride additive. According to the anti-falling ceramic material disclosed by the invention, the silicon carbide, the kaolin and the quartz are adopted, the zirconium oxide agent doped with the aluminum silicate fibers and the boron nitride additive are coordinated and optimized, the skid resistance, the strength and the toughness of the prepared ceramic material are coordinated, optimized and improved through coordination and enhancement of the raw materials, and meanwhile, the product is remarkable in solarization-resistant and water-resistant stability effects.

The present invention provides a high temperature resistant inorganic glue, a preparation method, an application and a method for limiting the drift of CVD seed crystals. The high temperature resistant inorganic glue comprises: 100 to 400 parts by weight of aluminum silicate; 50 to 200 parts by weight of aluminum phosphate; 50 to 400 parts by weight of copper oxide-copper-titanium-diamond composite material or copper oxide-titanium-diamond composite material; 50 to 200 parts by weight of phosphoric acid; and 100 to 400 parts by weight of a dispersant. The method for limiting the drift of CVD diamond seed crystals is to apply a high temperature resistant inorganic glue on the bottom of the CVD diamond seed crystal before the chemical vapor deposition growth of the CVD diamond seed crystal, press it flat on a molybdenum sheet and solidify it. The high temperature resistant inorganic glue of the present invention can withstand temperatures above 1200°C and is easy to glue and remove; the CVD diamond seed crystal is bonded to the molybdenum sheet by the high temperature resistant inorganic glue, and the seed crystal drift is limited during chemical vapor deposition growth.

The invention relates to a transparent lithium aluminum silicate glass ceramic, as well as the use of a transparent lithium aluminum silicate glass ceramic.

The invention provides a preparation method and application of red nano-selenium particles, and relates to the technical field of nano-medicines.The preparation method comprises the steps that sodium selenite is dissolved in ultrapure water, silicate microspheres containing copper, zinc and aluminum are added, the pH value is 4.8, 1.5 M of ascorbic acid solution is dropwise added while stirring, the temperature is increased till solid ascorbic acid is added, the pH value is adjusted through NaOH, and nano-selenium suspension liquid is obtained through stirring reaction; the preparation method comprises the following steps: mixing and stirring a nano-selenium suspension, a sodium alginate sulfydryl graphene oxide mixture and a chitosan oligosaccharide citric acid buffer solution, centrifugally washing, and freeze-drying to obtain red nano-selenium particles, and preparing the copper-zinc-containing aluminosilicate microspheres through mesoporous template calcination and copper-zinc co-doping. The red nano-selenium particles prepared by the method have a core-shell structure, uniform particle size, high oxidation resistance and remarkable interface bonding strength.

The utility model discloses a waste heat recovery device of a medium-frequency electric furnace, which relates to the field of medium-frequency electric furnaces and comprises a water tank, a water inlet pipe is welded on one side of the water tank, and the outer wall of the water inlet pipe is fixedly connected with a first plug sleeve. The cold and hot water pipes are arranged to connect the separation box, when the device is used, the internal structure of the separation box is arranged to facilitate rapid recovery of waste heat, increase of the heat conduction contact surface and improvement of the practicability of the device, the separation box is arranged to move the heat conduction copper frame, and when the device is used, the heat conduction copper frame is not prone to falling off. The arrangement of a separation box and a heat conduction copper frame facilitates fitting heat conduction of medium-frequency electric furnaces of different sizes, the usability of the device is improved, a waste heat recovery box is arranged to achieve a tight fitting effect on an aluminum silicate fiber sleeve, when the device is used, the arrangement of the waste heat recovery box and the aluminum silicate fiber sleeve facilitates reduction of waste heat loss, and the service life of the device is prolonged. And heat preservation is facilitated, and the usability of the device is improved.

The invention provides a light super-soft fire-resistant flame-retardant optical cable and a preparation method thereof. The light super-soft fire-resistant flame-retardant optical cable sequentially comprises a high-temperature-resistant optical fiber, a filling layer, a flame-retardant loose tube, a reinforcing layer, a heat insulation layer and a fire-resistant flame-retardant layer from inside to outside, the fireproof flame-retardant layer comprises the following preparation raw materials in percentage by mass: 55-65% of plasma activated mineral powder, 25-35% of a thermoplastic elastomer base material subjected to irradiation crosslinking treatment, 8-12% of a phosphorus-nitrogen intumescent flame retardant and 1.5-2.5% of a silane coupling agent; the nano mineral powder comprises a magnesium aluminum silicate compound, and the thermoplastic elastomer matrix comprises a blend of SEBS (Styrene-Ethylene-Butylene-Styrene) and TPU (Thermoplastic Polyurethane). The fire-resistant flame-retardant layer forms a ceramic protection layer at high temperature to perform fire-resistant flame-retardant protection and prevent heat transfer, and meanwhile, the heat insulation layer is matched to further prevent heat from being transferred to the cable core, so that the performance of the optical cable is ensured not to be influenced.

The invention relates to a porous beryllium oxide ceramic and a preparation method thereof, belongs to the technical field of porous ceramics, and aims to solve at least one of the problems that the porous beryllium oxide ceramic prepared by the existing method is low in porosity, low in strength, high in sintering process difficulty, easy to cause powder aggregation, poor in forming and the like. According to the invention, the nano beryllium oxide, the nano magnesium oxide, the nano aluminum silicate, the polyvinyl butyral, the sesbania powder and the absolute ethyl alcohol are combined according to a specific proportion, and the substances have a synergistic effect, so that the porosity, the strength and other properties of the porous beryllium oxide ceramic are improved. According to the invention, through elaborately designed component combination and a synergistic effect mechanism, comprehensive improvement of the performance of the porous beryllium oxide ceramic is realized, and a wider prospect is opened up for research, development and application of a ceramic material.

The invention discloses an ultralow-thermal-conductivity high-entropy rare earth disilicate ceramic material and a preparation method thereof, and belongs to the technical field of high-performance ceramics. Through a high-entropy engineering strategy, aiming at the problems of poor phase stability, high thermal conductivity and insufficient calcium-magnesium-aluminum silicate corrosion resistance of a traditional rare earth bisilicate material, a Ho-Yb-Lu-X multi-element rare earth composite system high-entropy effect regulation and control component strategy is innovatively adopted, and based on atomic radius difference, electronegativity matching and a mixed entropy effect, the high-entropy composite material is prepared. The high-entropy ceramic with the beta-type RE2Si2O7 phase structure is successfully prepared, generation of impure phases is effectively inhibited, and a compact material is obtained. The obtained material shows the ultralow thermal conductivity of 0.841 W / m.K at the temperature of 1400 DEG C, wherein the thermal conductivity is reduced by about 46% compared with that of traditional Yb2Si2O7. According to the preparation process, the sintering temperature is reduced by 50 DEG C through high-entropy component design, no complex post-treatment procedure is needed, the preparation process has the advantages of simplified process, high yield and the like, and an ideal candidate material is provided for a new generation of aero-engine thermal barrier coating.

The invention discloses a high-strength multifunctional glass panel and a processing technology thereof. The glass panel comprises a high aluminosilicate glass substrate, a surface composite functional layer and an embedded conductive-heat insulation composite layer. The content of Al2O3 in the substrate is 15-20wt%, and the thickness is 2-6mm; the surface composite functional layer is composed of a honeycomb microstructure layer and a SiO2-TiO2-ZnO ternary nano-composite coating film, the inner wall of the microstructure layer is covered with a hydrophobic coating, and the SiO2-TiO2-ZnO ternary nano-composite coating film has the anti-reflection function, the self-cleaning function and the antibacterial function; and the silver nanowire-aerogel composite layer is embedded in the embedded conductive-heat insulation composite layer, so that cooperation of transparent conductive and efficient heat insulation is realized. According to the processing technology, a microstructure and a functional coating film are synchronously formed through an ultraviolet nanoimprint technology, and the aerogel is combined to fill the conductive grid, so that the traditional multi-process flow is simplified. The bending strength of the glass panel is improved by 50% or above compared with that of traditional glass, and the glass panel has the characteristics of touch control, heat insulation, antibiosis and the like, is suitable for the fields of smart home, energy-saving buildings and the like, and has the advantages of low energy consumption and high cost performance.

The utility model discloses a furnace roller channel block structure for a heat treatment furnace, which comprises a furnace roller channel block body, and the furnace roller channel block body is sleeved at a conical transition part of a furnace roller, so that the furnace roller channel block body is in clearance fit with the furnace roller. The furnace roller channel block body comprises a first annular plate, a second annular plate, a third annular plate, a fourth annular plate, a fifth annular plate, a sixth annular plate, a seventh annular plate, an eighth annular plate, a ninth annular plate and a tenth annular plate. The furnace roller channel block body is formed by splicing ten layers of aluminum silicate fiber boards with the same thickness in sequence and is matched with the strip-shaped grooves and the preassembling pieces to be quickly preassembled, positioned and formed, so that the cylindrical channel and the conical channel are coaxial, the furnace roller channel block body is in clearance fit with a furnace roller, heat insulation and protection are conducted on the furnace roller, and the service life of the furnace roller is prolonged. The length of the cylindrical end on the outer side of the furnace roller channel block body is prolonged, the taper of the inner side of the conical channel is adjusted, the attaching degree of the furnace roller channel block body at the conical transition position of the furnace roller is improved, the sealing performance and the heat insulation effect of the furnace roller channel block are improved, and the performance requirement for long-time high-temperature operation of the furnace roller is met.

The invention discloses a springback inhibitor for sprayed concrete as well as a preparation method and application of the springback inhibitor. The rebound inhibitor is prepared from the following components in percentage by mass: 2-5% of magnesium aluminum silicate, 19.8-29.8% of silica fume, 1-4% of a macromolecular tackifier, 2-5% of aluminum sulfate slag powder, 38-51% of superfine stone powder, 9-16% of fly ash microspheres, 1-2% of a water reducing agent, 2-3% of redispersible milk powder, 2-5% of inorganic mineral fibers and 0.01-0.2% of modified plant fibers. The springback inhibitor disclosed by the invention has a remarkable effect on reducing the springback rate of the sprayed concrete, and can enhance the water dispersibility resistance of the sprayed concrete and improve the cohesiveness of the sprayed concrete. The preparation method disclosed by the invention is simple in industry and easy for large-scale production.

The invention relates to the technical field of microcapsules, provides a magnetic microcapsule capable of preventing particle sedimentation, a preparation method of the magnetic microcapsule and a magnetic film, and aims to solve the problems of low writing smoothness and poor trace durability due to particle sedimentation and aggregation in the prior art. The magnetic microcapsule comprises a wall material and a core material, the wall material is a mixture comprising an anionic polymer and a cationic polymer, and the core material is a mixture comprising magnetic particles, non-magnetic particles, an oily solvent and a suspension stabilizer; the suspension stabilizer comprises any one or more of phthalic ester, polyamide wax, polysiloxane, sorbitan oleate, sorbitan monostearate, silicon dioxide, magnesium aluminum silicate and magnesium lithium silicate; according to the invention, magnetic particles and non-magnetic particles can be prevented from settling and gathering, and writing fluency and trace durability are ensured.

The invention discloses a tundish cover castable, and relates to the technical field of tundish refractory materials. The tundish cover castable is prepared from the following raw material components in percentage by mass: 7.8 to 9.6 percent of alumina of 8 to 5mm, 2.6 to 4.3 percent of alumina of 5 to 3mm, 2.6 to 4.3 percent of alumina of 1 to 0mm, 17.4 to 20.8 percent of alumina of 200 meshes, 9.6 to 13 percent of mullite of 5 to 3mm, 22.6 to 26 percent of mullite of 3 to 1mm, 9.6 to 13 percent of mullite of 1 to 0mm, 7 to 8.7 percent of mullite of 200 meshes, 2.6 to 3.5 percent of composite binding agent, 0.8 to 1.7 percent of aluminum silicate, 0.05 to 0.07 percent of SiC nanowire, 0.2 to 0.3 percent of aluminum titanate and the balance of water. The invention discloses a tundish cover castable which comprises the following components in percentage by weight: 0.4-0.7% of alumina micro powder, 0.08-0.11% of sodium tripolyphosphate, 2.6-3.5% of silica fume, 0.87% of steel fiber and 1.3-1.7% of high-alumina cement. Compared with a traditional process, the tundish cover castable has the advantages that the overall performance of the tundish cover castable is remarkably improved, the breaking strength and compression strength of the castable are effectively enhanced, the service life is remarkably prolonged, and the production cost is reduced. And the production cost is greatly saved, and the economical efficiency and the operation rate of continuous casting operation are improved.

The invention discloses an environment-friendly light building material, and mainly relates to the technical field of Portland cement. Compared with the prior art, the environment-friendly light building material comprises Portland cement, perlite, fly ash, a fiber material, a foaming agent, polyvinyl alcohol, polyacrylamide and water, and the fiber material is one of sepiolite fibers, aluminum silicate fibers, wood fibers and modified wood fibers. By adding the fiber material, the phenomena of macropores, microcracks and the like caused by non-uniform drying shrinkage of the material are avoided, shrinkage difference caused by non-uniform water distribution is reduced, the internal humidity change of the material is alleviated, rapid volume shrinkage caused by rapid reduction of water is avoided, shrinkage deformation of the material is effectively inhibited, and the service life of the material is prolonged. Therefore, the dimensional stability of the material is improved.

The invention relates to the technical field of vapor deposition, and discloses a process optimization method and device for vapor deposition of aluminum silicate fibers. The method comprises the following steps: establishing a chemical reaction mass transfer model through component diffusion parameters of a reaction cavity to obtain a mass transfer prediction model; setting process parameters based on the mass transfer prediction model to obtain optimized mass transfer conditions; constructing a kinetic equation by using the mass transfer condition to obtain a kinetic prediction model; setting balance parameters according to the prediction model to obtain optimal reaction conditions; processing the surface of the substrate according to reaction conditions to obtain a directional growth interface; and designing a regulation and control system based on a growth interface to obtain the aluminum silicate fiber with a controllable structure. By optimizing vapor deposition process parameters and a process control method, uniformity control over an aluminum silicate fiber structure is achieved, an accurate mass transfer prediction model is established, a substrate surface treatment process is optimized, and real-time monitoring and regulation and control over the deposition process are achieved.

The invention discloses an advanced treatment agent for textile printing and dyeing wastewater and a treatment method. The advanced treatment agent comprises a component A and a component B, the component A comprises modified graphene oxide and an enzyme treatment agent; the component B comprises magnesium aluminum silicate, hydroxyapatite, hydroxypropyl methyl cellulose and chitosan, and the hydroxyapatite is coated with the magnesium aluminum silicate to form a core-shell structure. By adopting a modified graphene oxide immobilized enzyme structure, harmful components in water can be effectively adsorbed, so that the effect of greatly improving sewage purification is achieved, and meanwhile, the adsorption effect of the harmful components can be further improved by matching with aluminum-magnesium silicate coated hydroxyapatite, hydroxypropyl methyl cellulose and chitosan; meanwhile, bonding with the modified graphene oxide is beneficial to agglomeration and flocculation of substances, so that the flocculation capacity is improved, and floc separation is facilitated.

The invention discloses a high-performance cement-based micro-expansion filling grouting material and a preparation method thereof, and belongs to the technical field of inorganic cementing materials. The high-performance cement-based micro-expansion filling grouting material is prepared from Portland cement, fly ash, graded aggregate, aluminum silicate coated aluminum powder, calcium silicate coated magnesium oxide, tung oil coated iron powder, a calcium formate early strength agent, polycarboxylate superplasticizer powder and water. According to the obtained high-performance cement-based micro-expansion filling grouting material, the fluidity ranges from 432 mm to 441 mm, the 28-day compressive strength ranges from 63.5 MPa to 65.2 MPa, the 28-day breaking strength ranges from 14.3 MPa to 15.1 MPa, the 28-day shrinkage rate ranges from 0.01% to 0.04%, and the 10-time freezing and thawing expansion rate ranges from 0.03% to 0.06%.