247 results about "Potassium silicate" patented technology

The invention belongs to the technical field of nanocrystal nucleus early strength agents, and provides a damp and hot nanocrystal nucleus early strength agent, a tailing solidification filling material and a preparation method and application of the damp and hot nanocrystal nucleus early strength agent and the tailing solidification filling material. The invention discloses a molybdenum ore tailing slurry which is prepared from the following raw materials in parts by weight: 1 part of Portland cement, 4 to 6 parts of molybdenum ore tailings, 0.06 to 0.1 part of zeolite powder, 0.07 to 0.1 part of nanoscale attapulgite powder, 0.06 to 0.1 part of gamma-glycidyl ether oxypropyl trimethoxy silane, 0.03 to 0.1 part of potassium silicate, 0.04 to 0.1 part of sodium hydroxide, 0.06 to 0.1 part of calcium formate, 0.04 to 0.1 part of lithium metaaluminate and 1.25 to 1.75 parts of water. According to the technical scheme, the problem that a filling body prepared from an early strength agent in the prior art is low in early and later strength is solved, and meanwhile, the early strength agent is simple and convenient in preparation mode, low in cost and wide in application range.

The invention provides a fire-resistant inorganic fiber cotton board and a preparation method thereof, and belongs to the technical field of fire-resistant materials. The preparation method comprises the following steps: carrying out acid leaching treatment on sepiolite powder by using phosphoric acid, loading ammonium polyphosphate, drying and crushing to obtain a product A; enabling DOPO to react with gamma-aminopropyltriethoxysilane, and stirring and dissolving to obtain a product B; methyltrimethoxysilane and diethanol amine are subjected to hydrolytic polycondensation, dibutyltin dilaurate is added for continuous reaction, and a product C is obtained; combining raw materials including sodium silicate, potassium silicate, the product A, the product B, the product C and the like to prepare a curing liquid; melting and centrifuging the slag into cotton, and carrying out wet forming to obtain an inorganic fiber cotton plate rough blank; and the inorganic fiber cotton board rough blank is subjected to vacuum dehydration, then a curing liquid is sprayed, and the fireproof inorganic fiber cotton board is obtained after drying. The inorganic fiber cotton board is subjected to double-sided spraying by adopting the new curing liquid, so that the fireproof performance is high, and the mechanical property of the inorganic fiber cotton board can be enhanced.

The invention provides a recycled aggregate product, a preparation method thereof and recycled concrete, and belongs to the technical field of recycling of building materials. The preparation method of the recycled aggregate product comprises the following steps: S1, crushing waste concrete to obtain crushed concrete; then carrying out sorting treatment and magnetic separation treatment on the crushed concrete to obtain concrete subjected to impurity removal; the concrete subjected to impurity removal is screened, and initial recycled aggregate is obtained; s2, performing soaking treatment on the initial recycled aggregate by adopting strengthening liquid, and then performing dehydration treatment to obtain strengthened recycled aggregate; wherein the strengthening liquid is prepared from potassium silicate, vinyl acetate-ethylene copolymer emulsion, nanometer aluminum oxide, a dispersing agent and water; s3, calcining the reinforced recycled aggregate to obtain a recycled aggregate product. According to the preparation method, high-value utilization of the waste concrete can be achieved, and the obtained recycled aggregate product is excellent in performance.

The invention discloses a battery thermal runaway self-inhibition coating based on a heat absorption type reverse thermit reaction as well as a preparation method and application thereof. The battery thermal runaway self-inhibition coating comprises the following raw materials in percentage by weight: 40-60% of Fe2O3, 15-25% of Al powder, 20-35% of a heat absorption additive, 5-10% of a binder and 0-5% of a trigger regulator, the heat absorption additive is Bi2O3 or SrCO3; the binder is a potassium silicate aqueous solution or high-temperature-resistant polysiloxane resin; the trigger regulator is copper oxide or manganese dioxide. The coating is not a single functional material, but is a'reaction system ', an thermit reaction is converted into an endothermic reaction by introducing an endothermic additive, and a product of the coating can be fused and sintered in situ to generate a compact porous ceramic-metal composite heat insulation layer during the endothermic reaction, so that a battery cell can be isolated in space, and the performance of the battery cell is improved. And heat radiation can be effectively blocked due to low heat conductivity, so that double insurance of heat absorption and isolation is realized.

The invention relates to a building exterior wall coating and a preparation method thereof, and belongs to the technical field of building coatings. The coating is composed of a composite inorganic-organic hybrid film forming base material, a nano composite flame-retardant filler, a bio-based thickener, a photoresponsive hydrophobic aid, a low-foam wetting dispersant and deionized water. Wherein the composite base material forms an interpenetrating network structure through compounding of sodium potassium silicate and phosphate modified polyacrylate emulsion, and has inorganic phase hardness and organic phase flexibility; the nano flame-retardant filler adopts an Mg-Al layered dihydroxy oxide and cerium dioxide core-shell structure, and zinc borate is loaded to realize multi-stage flame retardance. The preparation method comprises ultrasonic-assisted emulsion polymerization, electrostatic self-assembly filler compounding and gradient curing processes, and during construction, a layered spraying and ultraviolet activation combined technology is adopted. The super-hydrophobic self-cleaning flame-retardant coating has excellent flame retardance, super-hydrophobic self-cleaning performance and long-acting weather resistance.

The invention relates to the field of composite materials, and discloses a ceramic fiber reinforced composite aerogel material and a preparation method thereof.The ceramic fiber reinforced composite aerogel material is prepared from ceramic fibers, fumed silica, an aerogel precursor, modified aerogel powder and other raw materials through a sol-gel combined special drying technology; the flame-retardant fireproof coating is formed by spraying and curing slurry prepared from potassium silicate, silicone acrylic emulsion, modified ammonium polyphosphate, pentaerythritol, aluminum hydroxide, expanded vermiculite and fumed silica, and modified aerogel powder is prepared by dipping a silicon dioxide precursor solution into reduced graphene oxide aerogel; the modified ammonium polyphosphate is prepared by synergistically assembling activated ammonium polyphosphate and chitosan, combining with mercaptopropyltrimethoxysilane and then grafting octavinyl-POSS (Polyhedral Oligomeric Silsesquioxane). The prepared ceramic fiber reinforced aerogel material has the characteristics of high temperature resistance, light weight and high strength; the flame-retardant fireproof coating improves the antifouling self-cleaning effect, the fire endurance and the heat insulation performance of the material.

The invention relates to the technical field of fertilizers, and discloses a molybdenum-boron synergistic control type macroelement water-soluble fertilizer, which is prepared from the following raw materials in parts by weight: nitrate nitrogen, ammonium nitrogen, ammonium polyphosphate, potassium oxide, chelated magnesium (MgO), trace elements, a stress-resistant enhancer, a synergistic control agent and a stabilizer, the trace elements are composed of ammonium molybdate, a boric acid-glycerol compound, chelated zinc, chelated manganese (Mn-EDTA) and a chelating agent. According to the molybdenum-boron synergistic control type macroelement water-soluble fertilizer and the preparation process thereof, the ammonium molybdate and the boric acid-glycerol compound are added into the fertilizer, so that the nutrient deficiency symptom can be effectively and synergistically prevented, the fungal disease resistance can be effectively improved by adding the salicylic acid and the nano silicon dioxide, and meanwhile, the effect of preventing and treating the macroelement is achieved. By adding the chlamydomonas rubra enzymolysis extract containing natural abscisic acid, potassium silicate and polyaspartic acid, the high temperature resistance, drought resistance and heavy metal pollution resistance of the fertilizer can be effectively improved, so that the effect of the whole water-soluble fertilizer is improved, and the application range of the water-soluble fertilizer can be widened.

The present invention belongs to the technical field of titanium metal processing waste acid treatment, and specifically relates to a method for regenerating titanium metal pickling waste liquid. The regeneration method comprises the following steps: adding a fluorosilicic acid solution to the titanium metal pickling waste liquid and mixing uniformly, then adding a potassium salt solution, stirring the reaction at room temperature, and centrifuging or filtering after the reaction is complete to separate the solid portion as a potassium fluorotitanate / potassium fluorosilicate complex; and the liquid portion as a regenerated titanium metal pickling liquid. The method of the present invention can significantly improve the titanium ion recovery rate without destroying the pickling liquid components. The titanium metal pickling waste liquid can be regenerated and reused, and has the advantages of good treatment effect and simple treatment process.

The application provides a quartz sand acid washing waste liquid resource treatment method, and belongs to the field of industrial waste water treatment, and comprises the following steps: adding magnetic composite seeds to the quartz sand acid washing waste liquid, and performing magnetic separation after stirring treatment; adding soluble potassium salt to the treated waste liquid to recover potassium fluosilicate; treating the filtrate through diffusion dialysis to obtain recovered acid and dialysis residual liquid; the diffusion dialysis treatment adopts an asymmetric membrane, the asymmetric membrane has a physical gradient of one side being a dense structure and the other side being a loose structure, and the dense structure side is in contact with the waste liquid; and adding calcium oxide or calcium hydroxide to the dialysis residual liquid for deep treatment and calcium recovery. The application provides a quartz sand acid washing waste liquid resource treatment method which is low in treatment cost, high in resource recovery rate and friendly to the environment, and realizes the differentiated resource recovery of the quartz sand acid washing waste liquid.

The invention relates to the technical field of high polymer materials, in particular to a high-strength wear-resistant composite resin material and a preparation method thereof. Comprising the following steps: preparing modified nano cellulose; preparing a polyaniline / potassium silicate nano material; preparing a nano hybrid; and preparing the high-strength wear-resistant composite resin material. Nano cellulose is modified by distearoyloxy isopropyl aluminate, polarity difference between alkyl long chains on the surface of the modified nano cellulose and epoxy resin is reduced, compatibility is improved, phase separation is reduced, meanwhile, residual polar groups of aluminate may further react with epoxy groups or hydroxyl groups of the epoxy resin to form chemical bonds, so that the epoxy resin can be cured, and the performance of the epoxy resin is improved. The interface bonding force is enhanced, so that the subsequent bonding force between the nanocellulose and the polyaniline / potassium silicate nano material is improved, the bonding performance of the nanocellulose and the polyaniline / potassium silicate nano material is improved, the rigidity and strength of the epoxy resin are improved after the epoxy resin is added, crack propagation is hindered, and the strength and wear resistance of the composite resin material are improved.

Cement-based retarding mortar test mold and preparation method thereof, relate to the technical field of retarding mortar test mold, and particularly relate to a cement-based retarding mortar test mold and a preparation method thereof.The cement-based retarding mortar test mold comprises a test mold main body, the test mold main body is a cement-based test mold, the compressive strength value is 155-170 MPa, and a test groove is arranged in the test mold main body; the inner surface of the test groove is sprayed with a composite aqueous solution of sodium silicate, magnesium fluorosilicate and potassium fluorosilicate for surface treatment, and the spraying ratio is that the mass ratio of sodium silicate, magnesium fluorosilicate, potassium fluorosilicate and deionized water is (2.9-3.1) :(1.9-2.1) :(0.9-1.1) :(3.9-4.1). The cement-based retarding mortar test mold has the positive effect that the test data in a laboratory can be matched with the field construction data, and production enterprises can adjust the mixing ratio in time according to the field construction to improve the engineering quality.

The present application relates to the technical field of anti-decarburization coating, and particularly relates to high-carbon steel anti-decarburization coating, a preparation method and application thereof. The coating comprises the following raw materials in parts by weight: 30-35 parts of SiO2, 4-6 parts of Al2O3, 0.5-1 part of talcum powder, 1-2 parts of gypsum powder, 1-5 parts of ZrO2, 1-3 parts of potassium feldspar powder, 1-3 parts of sodium feldspar powder, 5-10 parts of ZnO, 1-4 parts of Cr2O3, 5-8 parts of SiC, 5-9 parts of B2O3, 1-4 parts of graphite, and 30-40 parts of solvent; wherein, the Al / Si ratio is 1:6-8; the solvent is composed of 0.1-0.6% of methyl cellulose, 5-10% of sodium silicate / potassium silicate, 0.3-1% of polyethylene glycol, 0.01-0.03% of sodium hexadecyl sulfonate, and the rest of water. The coating has the advantages of rapid curing, low-temperature glazing, and simple phosphorus removal.

This invention relates to the field of heat-resistant coatings, and more particularly to a heat-resistant coating for application under heat, comprising the following components by weight: 50-70 parts potassium silicate aqueous solution, 10-25 parts zinc oxide, 5-15 parts lanthanum-cerium mixture, 0.1-1 part defoamer, 0.5-2.5 parts silane coupling agent, 0.1-1 part hydroxypropyl methylcellulose, 0.1-2 parts hydroxyethyl cellulose, 0.1-1 part wetting and dispersing agent, 2-10 parts water, and 1-5 parts silicon tripolyphosphate. This invention uses potassium silicate aqueous solution as the inorganic film-forming agent and silicon tripolyphosphate as the curing agent, enabling cross-linking and curing at high temperatures to form an inorganic heat-resistant coating. Zinc oxide reacts with the silanol groups in the potassium silicate aqueous solution to form a dense complex on the surface of steel components. Both silane coupling agents and defoamers are silane-based substances. They hydrolyze in potassium silicate aqueous solution to form free Si-OH, which can react with the active silanol groups in potassium silicate aqueous solution to increase coating density, and can also form chemical bonds with the steel substrate to improve coating adhesion.

The invention relates to an efficient and long-life inorganic dry powder coating with a self-humidifying function and a preparation method thereof, and belongs to the technical field of inorganic coatings. The inorganic dry powder coating comprises the following components in parts by weight: 30-40% of potassium silicate, 10% of expanded perlite, 10-25% of high-activity sepiolite nanofiber, 10% of calcined shell powder, 18-28% of quartz sand and 2-3% of an auxiliary agent. The preparation method comprises the following steps: firstly, treating a sepiolite raw material by virtue of a synergistic process of ultrasonic beam splitting and citric acid activation, so as to obtain high-activity sepiolite nanofibers which are fully dissociated, have nano hierarchical pore channels and are rich in hydrophilic groups; and compounding the high-activity sepiolite nanofiber with calcined shell powder, expanded perlite, quartz sand and potassium silicate to synergistically construct an inorganic coating system with optimized microstructure and efficient moisture absorption / liberation performance. The coating is simple in preparation process and environment-friendly, has excellent mechanical properties and self-humidity-regulating performance, still keeps an efficient humidity-regulating effect in a long-term service environment, and has outstanding long-acting stability.

The invention provides a ceramic-based friction material of an automobile brake friction lining and a preparation process of the ceramic-based friction material. The ceramic-based friction material is prepared from the following raw materials: 10 to 15 percent of boron nitride nanotube modified silicon carbide, 15 to 20 percent of titanium aluminum carbon, 5 to 8 percent of modified barium zirconate nanofiber, 12 to 15 percent of rare earth modified aluminum oxide, 8 to 10 percent of basalt fiber, 6 to 8 percent of molybdenum sulfide / graphene hybrid material, 5 to 7 percent of nano zirconite, 3 to 5 percent of titanium nitride powder, 4 to 6 percent of ferrophosphorus alloy powder, 3 to 5 percent of phenolic resin and 2 to 3 percent of potassium silicate solution. 1-2% of borosilicate glass powder and the balance of hierarchical porous carbon fibers. The obtained ceramic-based friction material of the automobile brake friction lining has the comprehensive advantages of high temperature resistance, friction resistance, bending resistance, high impact resistance, capability of reducing brake noise and the like.

The application discloses a kind of anti-reverse tolerance of poor root flower planting slow-release fertilizer and its preparation method, the slow-release fertilizer includes 30-45 parts of seaweed residue, humic acid 15-25 parts, diatomite 10-20 parts, oyster powder 5-15 parts, plant protein glue 3-8 parts, polyglutamic acid 1-3 parts, bacillus mucilaginosus powder 0.5-2 parts, brown algal oligosaccharide 0.1-0.5 parts, potassium silicate 2-5 parts, ammonium molybdate 0.05-0.15 parts, silicon phytic acid ester 0.5-2 parts, by introducing silicon phytic acid ester, fertilizer particles can be adjusted according to soil humidity release rate of nutrients, lock up nutrients in drought, accelerate release in wet; Absorption and fixation harmful metal ions in soil, reduce stress, and slowly hydrolyze in slow-release process, continuously provide beneficial substances, synergistically improve the fertilizer utilization rate of root flower in poor soil, resistance tolerance and sustained growth capacity.

The invention relates to a curing agent for high-flow-state solidified soil applied to underwater structure scour pit protection, the high-flow-state solidified soil and application of the high-flow-state solidified soil, and relates to the field of hydraulic engineering materials. The curing agent comprises a powder curing agent and a liquid curing agent, and the mass ratio of the powder curing agent to the liquid curing agent is (5-15): (0.1-0.6); the powder curing agent comprises sulphoaluminate cement, superfine slag powder, fly ash, gypsum powder, plant ash, silica powder, alkaline residues, hydroxypropyl methyl cellulose, polyvinyl alcohol, an exciting agent and a water reducing agent; the liquid curing agent comprises deionized water, sodium methyl silicate, potassium methyl silicate and polydimethylsiloxane. The raw materials of the high-flow-state solidified soil comprise slurry, fine sand and a curing agent. The application refers to the application in underwater structure scour pit protection. The construction method has the advantages in the aspects of underwater construction, scouring resistance, compact filling, bearing and the like, and the constructability, adaptability, durability and safety of the solidified soil in the aspect of underwater structure protection are improved.

The invention discloses an alkaline diatomite functional water-soluble fertilizer and a preparation method thereof, and belongs to the technical field of agricultural fertilizers. The preparation method comprises the following steps: pickling diatomite with hydrochloric acid to remove impurities, and carrying out alkaline hydrolysis activation with potassium hydroxide to obtain a high-activity potassium silicate solution; then, urea, monopotassium phosphate, potassium sulfate and other nutrient sources are added, a citric acid-borax buffer system is introduced to adjust the pH value, and finally the liquid water-soluble fertilizer is obtained. The effective silicon content in the fertilizer is greater than or equal to 100g / L, the total amount of the urea, the monopotassium phosphate and the potassium sulfate is greater than or equal to 140g / L, and the pH value (dilution at 1: 250) is 10.0-11.5. The problems that a traditional silicon fertilizer is poor in water solubility and prone to gelation are solved, and the product can be used for drip irrigation or foliage spraying and has the remarkable effects of improving acidified soil, promoting crop growth and increasing yield and quality.

This invention provides a scale inhibitor and its preparation method. The scale inhibitor is used for phosphogypsum leachate in a reverse osmosis membrane system. The scale inhibitor comprises the following raw materials in parts by weight: 10%-20% aluminum compound, 5%-10% organophosphonic acid, 2%-5% anionic surfactant, 4%-10% solvent, and the remainder is purified water. This addresses the problem of scaling in phosphogypsum leachate in reverse osmosis membrane systems by existing commercially available scale inhibitors, which suffer from poor targeting and scale inhibition effects. This invention introduces an aluminum compound, in which Al... 3+ It will react with silicon in a competitive manner with fluorine, from SiF6 2‑ Complex ions replace silicon to form acid-soluble AlF₂. x 3‑x Complexing ions cause SiF6 in the phosphogypsum leachate to form complex ions. 2‑ Reduce or inhibit SiF6 2‑ This reduces or inhibits the formation of potassium / sodium fluorosilicate scale.

The invention relates to the technical field of engineering construction materials, and particularly discloses a composite protective coating for engineering construction and a preparation method of the composite protective coating. The invention relates to a composite protective coating for engineering construction. The composite protective coating is prepared from the following raw materials in parts by weight: nano silica sol, potassium methyl silicate, cerium oxide nanoparticles, a polycarboxylate dispersant and an organic silicon defoaming agent, the preparation method comprises the following steps: S1, raw material pretreatment; S2, main raw material molecular-level composite reaction; S3, auxiliary raw material addition and system stabilization; and S4, construction and dual-curing molding. According to the technical scheme, nano silica sol and potassium methylsilicate are matched, and molecular-level Si-O-Si bonding is adopted to form a surface compact SiO2 layer and an internal organic hydrophobic elastic layer gradient cross-linked structure. The defects that an inorganic coating is prone to embrittlement, an organic coating is poor in weather resistance, or the performance of a physical mixing system cannot cooperate and cannot meet the requirements for hardness and flexibility at the same time are overcome.

The invention relates to a composite for surface protection. A surface protection composite, in particular a non-flammable, waterproof, harmless, biocidal surface protection composite for wood, or paper, or fabrics, or plastics, containing an aqueous silicate solution containing 93 to 98 wt% of an aqueous potassium silicate solution, 1 to 6 wt% of aluminum hydroxide, and 0.5 to 1.5 wt% of a stabilizer of the aqueous potassium silicate solution.

The present invention relates to the technical field of silicate cement clinker preparation, and specifically discloses a self-carbonizing enhanced high-potassium silicate cement clinker and its preparation method and application. The mineral composition of the cement clinker comprises, by mass percentage, C3S-M1 15.97-18.35%, C3S-M3 35.83-36.34%, C2S-α' L 18.99~20.57%, C2S-β 1.3~2%, C3A-c 0.09~0.72%, C3A-o 12.71~15.33%, C4AF 9.24~10.91%, secondary free CaO 1.28~1.48%. The present invention not only reduces the harm of crusting and ringing caused by alkali-sulfur cycle, but also utilizes C2S-α' L Due to the difference in hydration rates between C3A‑o and C3A‑o, the clinker system can release K continuously but not concentratedly after contact with water. + Ions ensure that the alkalinity will not decrease during the hydration process, provide a good alkaline environment for carbonization, and improve the mechanical strength.

The application discloses borosilicate 4.0 fireproof glass and a preparation method thereof, and belongs to the field of high-borosilicate fireproof glass. The borosilicate 4.0 fireproof glass comprises a first glass layer and a second glass layer; a modified silica composite fireproof liquid is filled between the first glass layer and the second glass layer; the first glass layer and the second glass layer are borosilicate 4.0 glass; and the modified silica composite fireproof liquid comprises the following components in parts by weight: modified silica 10-20 parts, silica 5-8 parts, modified zinc borate 5-10 parts, water glass 3-5 parts, potassium silicate 8-12 parts, modified zirconium phosphate 1-3 parts and other additives 1-2 parts. The borosilicate 4.0 fireproof glass has high fire resistance, good weather resistance and good material stability of the fireproof liquid.

The invention belongs to the field of waste liquid recycling, and discloses a method for preparing potassium fluosilicate by using mixed waste acid, which comprises the following steps: S1, silica fume acidification pretreatment: soaking silica fume in an acid solution for acidification, carrying out precipitation separation on the silica fume, drying, and grinding to obtain acidified silica fume; s2, mixing the raw materials: uniformly mixing the acidified silica fume and the silicon dioxide powder; s3, preparation of fluosilicic acid: adding a mixture of acidified silica fume and silicon dioxide powder into the mixed waste acid, and uniformly stirring by a mechanical stirrer; and S4, preparation of potassium fluosilicate: adding a potassium chloride saturated solution into the fluosilicic acid solution to generate potassium fluosilicate precipitate. The method has the advantages and effects of being high in fluorine ion utilization efficiency, low in production cost and high in finished product purity.

The present invention provides a fire-resistant material that does not crack or peel off the substrate even when rapidly cooled after being heated to a high temperature. [Solution] The solution consists of a mixture of a liquid heat-resistant binder containing at least sodium silicate, potassium silicate, Snowtex, wood clay, and Beston, and a refractory powder containing at least Beston, milk casein, and perlite. Because the expansion and contraction rates are small, cracks will not occur or peel off from the substrate even when heated to high temperatures and then rapidly cooled.

The invention relates to the technical field of coatings, in particular to an outdoor non-expansive fireproof coating for a steel structure and a preparation method thereof.The outdoor non-expansive fireproof coating for the steel structure is prepared from Portland cement, light heat insulation aggregate, gypsum, composite toughening slurry, flame-retardant filler, vinyl acetate-ethylene copolymer rubber powder and cellulose ether, the water reducer comprises a polycarboxylate superplasticizer, hydrophobic fumed silica, potassium methyl silicate, lithium carbonate and water. The composite toughening slurry is a water-based dispersion system containing an inorganic cross-linked network, a micron-nano reinforced phase and surface grafting modified fibers. According to the invention, the composite toughening slurry containing an inorganic cross-linked network, a micron-nano reinforced phase and surface grafting modified fibers is constructed and is introduced into a coating system as an integral functional component; the problem that a traditional non-expansive fireproof coating generates micro-cracks due to shrinkage stress concentration in the drying maintenance and temperature and humidity circulation process is effectively solved.

The application discloses an environment-friendly and water-resistant inorganic coating and a preparation method thereof, and belongs to the technical field of materials. The environment-friendly and water-resistant inorganic coating comprises the following components in parts by weight: 15-25 parts of silicate, 25-35 parts of silica sol, 25-35 parts of pigment and filler, 0.8-1.2 parts of thickening agent, 0.8-1.2 parts of defoaming agent, 0.8-1.2 parts of dispersing agent, 2-3 parts of water-resistant agent, 4-6 parts of modifier, 3-5 parts of organic emulsion and 35-50 parts of deionized water. The silicate is composed of potassium silicate without deionized water and deionized water; and the water-resistant agent is prepared from hexadecyl trimethoxysilane modified tetraethyl orthosilicate and isopropyl titanate. The application has wide raw material sources and simple process, and the prepared inorganic coating has good environment-friendly and water-resistant performances, and has remarkable economic and social benefits.

The application discloses a device for preparing potassium fluosilicate by using mixed acid and belongs to the technical field of potassium fluosilicate preparation, which comprises a fixing frame, the inner side of the fixing frame is provided with a reaction kettle shell, and the inside of the reaction kettle shell is provided with a stirring device; the top of the stirring device is fixedly connected with a gear one, the top sides of the reaction kettle shell are movably connected with a rotating shaft one, the top of the rotating shaft one is fixedly connected with a gear two, the bottom of the rotating shaft one is fixedly connected with a reciprocating screw rod, the outer side of the reciprocating screw rod is movably connected with a sliding plate, the inner side of the reaction kettle shell is fixedly connected with a sliding rod, the outer side of the sliding rod is movably connected with a sliding plate, the outer side surface of the sliding plate is provided with a groove, the inside of the groove is movably connected with a rotating shaft two, the outer side of the rotating shaft two is fixedly connected with a disturbance plate, and the bottom of the disturbance plate is fixedly connected with a flow guide fin. The application is used to solve the problem that the silicon powder is mixed with the mixed acid solution slowly in the early stage of reaction, thereby reducing the overall production efficiency.

This invention provides an aqueous inorganic coating agent that has high stain resistance and can form a film with suppressed interference fringes, and a coating method using this aqueous inorganic coating agent. [Solution] An aqueous inorganic coating agent comprising a potassium silicate compound, colloidal silica, a sodium phosphate compound, boric acid, and water, wherein the content of the potassium phosphate compound is less than 0.10% by mass of the solid content of the aqueous inorganic coating agent.

The application discloses a kind of special self-cleaning nano composite coating for photovoltaic glass and preparation method thereof, to provide a kind of special self-cleaning nano composite coating for photovoltaic glass, the coating has photocatalytic degradation, super-hydrophilic and long-acting weather resistance and the like functions, while ensuring high light transmittance and excellent adhesion, its technical scheme contains the following weight percentage components: lithium silicate 5.5~9%, potassium silicate 5~7%, silica sol 11~15%, nano TiO2 dispersion liquid 3.5~7.0%, nano cerium oxide 0.5~2%, sulfobetaine 0.3~0.9%, zirconium methacrylate 0.2~1.8%, pH regulator 1.0~4.5%, and the balance is mixed solvent;It belongs to the field of coating technology.