63results about How to "Prevent sedimentation and agglomeration" patented technology

The invention discloses an ultraviolet curing stain-resistant and wear-resistant negative ion wood lacquer and a preparation method thereof. The ultraviolet curing stain-resistant and wear-resistant negative ion wood lacquer comprises bisphenol A epoxy acrylate, aliphatic urethane acrylate, TEPA (pentaerythritol triacrylate), TPGDA (Tripropylene Glycol Diacrylate), inorganic natural powder, a wetting agent and auxiliary agents, and is prepared through a grinding and mixing process. The wood lacquer has three-in-one superior performance of a novel instant curing filming coating, an environment-friendly, high-efficiency and energy-saving novel ultraviolet coating and a coating film, has a superior stain-resistant clean function and releases negative ions to purify air; the film comprises a three-dimensional netlike structure and has a superior wear-resistant scratch-resistant function; the problems of high probability of scratch, poor stain resistance and influence on the health of people due to included harmful substances existing in the conventional coating film are effectively solved.

The invention discloses an industrial reaction kettle suitable for feed liquid of chemical industry and medicine. The industrial reaction kettle comprises a reaction kettle body, wherein the reaction kettle body comprises a variable frequency motor, a feeding hole, a speed reducer, a stirring shaft and a base; the variable frequency motor and the feeding hole are respectively arranged and formed above the reaction kettle body; the stirring shaft extends into an inner cavity of the reaction kettle body; an output part of the variable frequency motor is connected with an input end of the speed reducer, and an output end of the speed reducer is connected with the stirring shaft; the end of the stirring shaft is provided with a connecting piece and a fan-shaped stirring wheel; a spiral mixing wheel is arranged at the periphery of the stirring shaft; the stirring shaft is also provided with a connecting rod; two stirring pieces are symmetrically arranged on the connecting rod at left and right; the outer wall of the cavity of the reaction kettle body is provided with an air pump and a liquid collection box; the air pump is connected with a baffle plate by a guide pipe, and the baffle plate is arranged on the inner wall of the cavity of the reaction kettle body; the bottom of the cavity of the reaction kettle body is also provided with a discharge hole. The industrial reaction kettle has the advantages of reasonable structural design, good using effect, full stirring, etc.

The invention discloses conductive paste, a preparation method and application thereof and a battery, relates to the technical field of batteries, and aims to improve the comprehensive performance ofcharging and discharging of the battery. The conductive paste comprises modified graphene, carbon nanotubes, conductive carbon black, a dispersing agent and a solvent, wherein the modified graphene has oxygen-containing functional groups and defects. The preparation method of the conductive paste comprises the following steps: pretreating a graphite material to obtain modified graphene with oxygen-containing functional groups and defects; and uniformly mixing the modified graphene, carbon nanotubes, conductive carbon black, the dispersing agent and the solvent to obtain the conductive paste. The invention is used for the battery.

The invention discloses a drying device for chemical raw materials and medicine. The drying device comprises a body which comprises a variable frequency motor, a feeding hole and a discharge hole. The base is arranged under the body; the variable frequency motor is arranged between the body and the base; the output part of the variable frequency motor is connected with a mixing shaft; the mixing shaft extends into the body; transverse mixing wheels are symmetrically arranged on the mixing shaft; the mixing shaft and the transverse stirring wheels are all of hollow structures; electric heating tubes are arranged inside the transverse stirring wheels and the mixing shaft; a screw scraper plate is further arranged on the mixing shaft; the feeding hole is formed in the top end of the body; a hot-air blower is connected with an air pipe arranged in the body by use of a guide pipe; a plurality of air holes are formed in the surface of the air pipe; a dry layer is arranged under the air pipe; an insulating layer is arranged on the inner wall of the body; an air pump is arranged on the outer surface of the body; the discharge hole is formed in the bottom of the body; a supporting bar is arranged between the body and the base. The drying device for chemical raw materials and medicine has the advantages of reasonable structural design, good drying effect, long service life and the like.

The invention provides a waterborne polyurethane resin emulsion which contains a hydroxyl-modified binary vinyl chloride-vinyl acetate copolymer resin, a polymer dihydric alcohol, diisocyanate, a hydrophilic chain extender, an organic fluororesin, a catalyst, a neutralizer, a chain terminating agent and an initiator. The invention also provides a preparation method of the above waterborne polyurethane resin emulsion, a two-component waterborne silver powder coating composition prepared by the same and a preparation method thereof. The two-component waterborne silver powder coating composition provided by the invention has the advantages of good silver powder arrangement, good chemical corrosion resistance and good hardness.

The invention relates to three-dimensional parking equipment with vehicle protection and fire prevention functions. The three-dimensional parking equipment comprises a supporting column, a lifting plate and a fixing block. The supporting column is internally provided with a lifting mechanism, a first groove, a second groove and a fire-extinguishing mechanism. The lifting mechanism comprises a first motor, a screw rod and a nut. A protection mechanism comprises a lifting block, two limiting units and two moving units. The limiting units comprise limiting grooves, limiting blocks, second motors,driving wheels and fixing ropes. The fire-extinguishing mechanism comprises a storage box, an air inlet unit and two spraying pipes. The air inlet unit comprises a third motor, a rotating disc, a swinging rod, a moving rod, a compression pipe, a push plate and a valve. According to the three-dimensional parking equipment with the vehicle protection and fire prevention functions, through the protection mechanism, a vehicle can be prevented from being directly irradiated by sunlight, and the situation that paint of the vehicle is damaged by intense ultraviolet light in the sunlight is prevented; and not only that, through the fire-extinguishing mechanism, a fire is extinguished in time through the three-dimensional parking equipment, and thus the situation that the fire spreads to other vehicles is prevented.

The invention discloses water-based paint for multifunctional fiber textile. The water-based paint is prepared from the following raw material components in parts by mass: 10 to 25 parts of water-based organic silicon resin, 1 to 30 parts of a polytetrafluoroethylene solution, 1 to 5 parts of organic silicone powder, 1 to 15 parts of a pigment, 1 to 5 parts of nano barium sulfate, 0.05 to 0.5 partof nano zinc oxide, 0.1 to 1 part of silica sol, 5 to 10 parts of a flame retardant, 2 to 15 parts of fluorescent powder and the like. Furthermore, the invention further provides a simple and feasible preparation method of the water-based paint for the multifunctional fiber textile. By adopting the formula and the method, disclosed by the invention, the prepared paint has adhesive force, flexibility, weather resistance and flame-retarding performance and has a suitable paint film thickness; meanwhile, the water-based paint also has the characteristics of no fluffiness, no fading and smooth hand feeling, and a plurality of effects of heat prevention, flame retarding, corrosion resistance, fluorescence warning, easiness for cleaning, bacterium inhibition and sterilization, environment protection and the like, so that the water-based paint has very strong market competitiveness.

The invention discloses a photo-thermal heat preservation type composite leather finishing agent based on a Pickering emulsion polymerization method, a preparation method and application thereof, andbelongs to the technical field of leather finishing agent preparation. According to the preparation method, the amphipathy is regulated and controlled through polydopamine modified Ti3C2; ultrasonic emulsification is carried out on the obtained amphiphilic polydopamine modified Ti3C2 nanosheet, a co-emulsifier, a vinyl monomer and water to obtain a pre-emulsion, and polymerization of the pre-emulsion is initiated by using a Pickering emulsion polymerization method to obtain the photo-thermal heat preservation type composite leather finishing agent. The photo-thermal heat preservation type composite leather finishing agent prepared by the method contains amphiphilic polydopamine modified Ti3C2 nanosheet with a synergistic photo-thermal conversion effect, the problem of sedimentation and agglomeration when Ti3C2 is introduced by a blending method is avoided, then the obtained photo-thermal heat preservation type composite leather finishing agent is applied to a leather finishing process,and a leather product capable of rapidly and spontaneously heating under natural illumination can be obtained, so that the total heat dissipation amount of a human body is reduced by reducing the temperature difference between the human body and the leather product, and the heat retention property of the leather product is improved.

The invention discloses a new material for electric heating parquet with a built-in heating layer. The new material contains melamine modified urea-formaldehyde resin adhesive bonded with carbon fiber paper. A preparing method for the melamine modified urea-formaldehyde resin adhesive includes the following steps that 1, polyamide is prepared, wherein an appropriate amount of water is added into 30-40 parts of diethylenetriamine, the mixture is stirred, 40-50 parts of hexanedioic acid are added in the stirring process, after stirring is conducted for 30 min, temperature is uniformly raised to 150 DEG C-170 DEG C within 1-5 h, kept for 15 min and then lowered to 80 DEG C-120 DEG C, an appropriate amount of water is added for cooling, and the mixture is heated to 80 DEG C-120 DEG C again and uniformly stirred to obtain polyamide; 2, the pH value of 40-60 parts of a formaldehyde solution is adjusted to 9.5, then 15-30 parts of urea are added, the mixed solution is heated to 85 DEG C-95 DEG C to react for 40-60 min, the pH value is adjusted to 5, after the sufficient reaction, 10-20 parts of polyamide and 20-30 parts of melamine are added, 5-10 parts of epoxy chloropropane are added dropwise, and all the substances react while stirred so that melamine modified urea-formaldehyde resin adhesive can be obtained after the reaction is finished.

The invention discloses a multifunctional coating used for wooden ware. The coating comprises the following raw materials in parts by weight: 15-35 parts of modified organic silicone glass resin, 25-50 parts of a water-based hydroxyl acrylic emulsion, 5-20 parts of a curing agent, 2-5 parts of a cosolvent, 1-5 parts of organic silicone powder, 1-5 parts of nano aluminum oxide, 0.5-2 parts of nanozirconium oxide, 0.1-3 parts of nano negative ion powder, 1-8 parts of a flame retardant, 0.05-0.5 part of nano zinc oxide, 0.1-1 part of a silica sol, 0-5 parts of a pigment, 0.1-0.2 part of a pH regulator, 0.1-0.2 part of a defoaming agent, 2-5 parts of a film forming auxiliary agent, 0.3-0.5 part of a dispersant, 0.3-0.5 part of a substrate wetting agent, 5-10 parts of deionized water, and 0.5-1.0 part of a thickening agent. The invention also discloses a preparation method of the coating. The coating provided by the invention has the effects of being beautiful, fireproof, bacteriostatic and self-cleaning and purifying air.

The invention discloses a chain-type circular fresh sheet jelly machine which comprises elements such as a conveying chain, a chain accessory plate, a first motor, a first electromagnetic clutch brake, a first speed reducer, a second motor, a second electromagnetic clutch brake, a disk-rotating bearing seat, a second speed reducer, a conveying chain wheel bearing seat, a disk-rotating drive connecting rod and the like, wherein, the conveying chain is equipped with the chain accessory plate; a sheet jelly forming disk retainer and a rotating shaft mounting plate are arranged on the chain accessory plate; the first motor drives the first electromagnetic clutch brake and then drives the first speed reducer; the disk-rotating bearing seat drives the disk-rotating drive connecting rod, then the disk-rotating drive connecting rod drives a disk-rotating gear rack to drive a disk-rotating gear to rotate, and a disk-rotating shaft tightly sucks the sheet jelly forming disk through a strong magnet; and the second motor drives the second electromagnetic clutch brake and then drives the second speed reducer, and the conveying chain wheel bearing seat drives the conveying chain wheel so as to drive the conveying chain to perform integral clearance movement. The chain-type circular fresh sheet jelly machine has high automation degree and strong expandability.

The invention discloses a water-based metallic flexible coating for plastics. The coating comprises an aqueous elastic fluorocarbon emulsion, an aqueous hydroxy acrylic emulsion, polymethylsilsesquioxane, nano-zirconia, nano-alumina, pearl powder, a flame retardant, nanometer zinc oxide, an adhesion promoter, a pH adjuster, an antifoaming agent, a film forming additive, a dispersant, a substrate wetting agent, a thickener, a curing agent, a cosolvent, temperature-sensitive color changing powder and deionization water. The water-based metallic flexible coating for plastics realizes processing spraying of the outer shell of a plastic product to achieve the purposes of beautifying the appearance of the plastics and attracting consumers, and makes the sprayed plastics be health and safe and have the advantages of no harmful substance volatilization and good fireproof, antibacterial and wear-resistant properties.

The invention discloses remixed nanometer zinc sulfide tin molybdate conversion liquid for magnesium alloy surface treatment. The conversion liquid selects tin acid salt and sodium molybdate as a main film forming agent, and uses sodium pyrophosphate, sodium fluoride, tannic acid and the like as assistants; nanometer zinc sulfide is added as a corrosion resistant assistance; and terminal carboxyl hyperbranched polyether water solution is used as a medium to obtain an uniform-dispersed nanometer zinc sulfide sol system for effectively preventing agglomeration and precipitation of nanometer materials in the system to achieve efficient modifying effect; the prepared conversion liquid has such advantages as fast film forming speed and high environmental protecting performance; and a conversion film formed on the surface of a magnesium alloy has such advantages as good corrosion resistance and surface compatibility, meanwhile, is unique in photoelectric performance, and further improves the use performance of the magnesium alloy.

The invention discloses a technology for preparing an electric-heat solid-wood composite floor with a built-in heating layer and a product thereof. The technology sequentially includes the following steps that a, a composite base material is coated with melamine-modified urea-formaldehyde resin adhesive, standing is carried out for 5 min, then carbon fiber paper is pasted to the surface of the composite base material, and copper electrodes composed of copper sheets and copper nails are installed; b, the carbon fiber paper is coated with melamine-modified urea-formaldehyde resin adhesive, and after standing is carried out for 10 min, the carbon fiber paper is covered with a surface decoration veneer; c, cold pressing is carried out for 10 min at the pressure of 0.6 MPa, and hot pressing is carried out for 8 min at the pressure of 1.2 MPa after cold pressing; d, standing is carried out for 5-7 days, forming and grooving are carried out to prepare a blank plate, the ends and the side faces of the blank plate are coated with waterproof agents, the surface of the blank plate is coated with paint for decoration, and the finished product is obtained.

The invention discloses a polyurethane foam insulation material, which is composed of the following ingredients (by weight): 80-100 parts of a polyurethane prepolymer, 100-120 parts of isocyanate, 15-20 parts of spirulina small molecule peptide, 5-10 parts of a microencapsulated phase change material, 15-30 parts of deionized water, 5-8 parts of stearic acid modified perlite, and 3-5 parts of epoxidized methyl acetoricinoleate. The polyurethane foam insulation material has good mechanical properties and heatproof heat-retaining property, water resistance and yellowing resistance, and overcomesthe insufficiencies of all-water foaming rigid polyurethane foam plastic, such as crispy foams and large heat conductivity coefficient.

The invention discloses a dazzling anti-blue-ray water-based paint for a tempered glass screen protector and a preparing method thereof, and relates to the field of water-based paints. The dazzling anti-blue-ray water-based paint is prepared from, by weight, 15-30 parts of nanometer glass resin, 10-30 parts of aqueous hydroxy-acrylic emulsion, 5-20 parts of amino resin, 1-5 parts of organic silicone powder, 1-5 parts of nano barium sulfate, 0.1-3 parts of dazzling pigment, 0.05-0.5 part of blue-ray absorber, 0.1-1 part of ludox, 0.1-0.2 part of pH regulator, 0.1-0.2 part of defoamer, 2-5 partsof coalescing agent, 0.3-0.5 part of dispersant, 0.3-0.5 part of base material wetting agent, 5-10 parts of deionized water and 0.5-1 part of thickener. Through the improvement of the wetting and leveling performance of a system, the dazzling anti-blue-ray water-based paint meets the using requirements of application to a glass material; by adding the blue-ray absorbing substance, blue-ray emitting from a screen is effectively reduced, and accordingly the damage to human eyes is reduced; meanwhile, a coating has good hardness and dazzling colors.

The invention discloses a waterborne self-polishing antifouling paint for fishing and a preparation method thereof. The preparation method comprises the following steps: treating garlic, potatoes, asbestos powder and mica powder to obtain capsaicin-modified inorganic powder; then polymerizing the capsaicin-modified inorganic powder with synthesized zinc acrylate and acrylic acid to obtain an antifouling paint; after a coating is formed, hydrolyzing zinc polyacrylate on a polymer molecule main chain on the coating surface to release zinc acrylate. Meanwhile, the hydrolyzed polymer molecular main chain also contains a capsaicin functional group with antifouling activity, and the hydrolyzed polymer molecules keep the performance of inhibiting attachment of marine organisms, so that the paintcan effectively prevent the attachment of the marine organisms to the surfaces of fishing nets, ships and vessels, coastal facilities and the like and has good antifouling performance.

The present application discloses a haematococcus pluvialis culture system utilizing power plant flue gas. The system comprises the following parts: a horizontal tubular photobioreactor; a circulatingbuffer tank; a conveying device; an aerator, which is disposed on one end of the horizontal tubular photobioreactor; a power plant flue gas pipeline, which is connected to the aerator through a pipeline; and a first gas mass flowmeter, which is disposed on the pipeline connecting the power plant flue gas pipeline to the aerator, and is used for regulating an input flow of the power plant flue gas. By setting the aerator, the system can realize continuous dispersion aeration, not only ensures sufficient carbon source for the haematococcus pluvialis, but also reduces the demand for high concentration CO2 of the haematococcus pluvialis to 15% or below. Therefore, while using the power source flue gas to provide a carbon source, the system reduces flue gas CO2 emission, and achieves the effect of energy saving and emission reduction. By real-time monitoring and timely gas flow regulation, the system can ensure the stability of the acid-base environment of the haematococcus pluvialis culture, promote the growth of the haematococcus pluvialis and increase the astaxanthin content.

The invention provides a super-smooth plane polishing method based on magnetorheological foam. Magnetorheological foam is used as polishing medium, and placed on a polishing disk, so that a flexible magnetic brush is formed under the effect of an applied magnetic field; workpiece and the magnetorheological foam are driven to move relatively by a polishing head and the polishing disk separately so that the workpiece is polished; a magnetorheological polishing solution and a foam matrix are coupled with each other under the effect of the magnetic field during polishing, and jointly used for supplying the required conditions for polishing, and a magnetic flux linkage is made up of ferromagnetic particles in the magnetorheological polishing solution under the effect of the magnetic field, and embedded into a micropore of the foam matrix; the effective shear stress of the flexible magnetic brush and the material removal rate are improved; due to the existence of the foam matrix, not only the variables for optimizing the polishing property are increased, but also the "accommodating-sinking" effect of traditional magnetorheological polishing is also reserved. According to the super-smooth plane polishing method provided by the invention, the magnetorheological polishing solution is saved, and the cost is reduced; and at the same time the polishing efficiency is improved, and the problems of high consumption of the magnetorheological polishing solution and low material removal rate in the traditional magnetorheological polishing are solved.

The invention discloses silicon modified graphene water-based paint which is prepared from the following components in parts by mass: 25 to 60 parts of water-based resin, 0.3 to 1.5 parts of neutralizer, 3 to 12 parts of curing agent, 1 to 20 parts of silicon modified graphene slurry, 0.1 to 2 parts of catalyst and 20 to 35 parts of water. Meanwhile, the invention also discloses a preparation method of the silicon modified graphene water-based paint. The silicon modified graphene water-based paint has excellent corrosion resistance, graffiti penetration resistance and graffiti durability resistance, is not limited by types of film-forming resins, and is low in cost and wide in application range.

The invention provides a high-efficiency environment-friendly antibacterial mildew-proof paint containing a nano film-forming agent and a preparation method thereof. The paint is prepared from the following raw materials: heavy calcium powder, ash calcium powder, white Portland cement, hollow microspheres, nano silicon dioxide, rutile titanium dioxide, dicalcium silicate, sepiolite powder, sodiumoxalate, talcum powder, tourmaline powder, attapulgite clay, sodium bentonite, polyvinyl alcohol powder, redispersible latex powder, lithium sulfate, calcium lignosulphonate, hydroxypropyl methyl cellulose, wood fibers and an organic silicon polyether composite defoaming agent. The prepared interior and exterior wall dry powder paint is suitable for interior and exterior walls, is non-toxic and environment-friendly, does not pollute the environment, does not influence body health, has excellent antibacterial and anti-mildew construction performance and other properties, is long in service life, is a dry powder coating, is simple in production process, and has the advantages of being convenient to transport, long in storage period and the like.

The invention discloses a multifunctional paint for lamp tubes. The paint comprises following raw materials in parts by weight: 15 to 30 parts of nano glass resin, 10 to 30 parts of aqueous hydroxyl acrylic acid emulsion, 5 to 10 parts of amino resin, 1 to 5 parts of organic silicone powder, 1 to 5 parts of nano barium sulfate, 0.1 to 3 parts of light diffusion powder, 0.05 to 0.5 part of blue light absorbent, 0.05 to 0.5 part of natural camphor, 0.1 to 1 part of silicon whisker, 0.1 to 0.2 part of pH adjuster, 0.1 to 0.2 part of antifoaming agent, 2 to 5 parts of film forming agent, 0.3 to 0.5 part of dispersant, 0.3 to 0.5 part of base material wetting agent, 5 to 10 parts of deionized water, and 0.5 to 1.0 part of thickening agent. The invention also discloses a preparation method of the paint. The paint is aqueous, is applied to glass, is explosion-proof, is resistant to blue light, and can repel insects. By improving the wetting and leveling performance, the paint can be applied to glass, and the coating has good hardness.

The invention relates to the technical field of wall painting, and discloses a coating painting device being high in painting efficiency and capable of achieving automatic feeding. The coating painting device comprises a U-shaped bracket, wherein movable rods are movably mounted at the left end and the right end of the U-shaped bracket; rollers are movably mounted in the U-shaped bracket; the rollers are movably mounted in the U-shaped bracket through a rotary shaft; first bevel gears are fixedly mounted at the left end and the right end of the rotary shaft; second bevel gears are meshed withthe lower sides of the first bevel gears; and the second bevel gears are fixedly mounted at the upper ends of telescopic connecting rods. Through pressing by a user, a spring mechanism is compressed under the action of pressure, so that the two painting rollers are both in contact with a wall and are matched with each other, so that wall painting can be carried out more smoothly. The second painting roller can make up defects generated in the painting process of the first painting roller in time, so that the effect of greatly improving the coating efficiency is achieved.

The invention discloses an environment-friendly waste asphalt mixture regenerant with a solubilizing effect and a preparation method of the environment-friendly waste asphalt mixture regenerant. The environment-friendly waste asphalt mixture regenerant is prepared from the following components in percentage by mass: 11%-17% of waste rubber powder, 60%-70% of oil, 4%-8% of a solubilizer, 3%-5% of polyisobutylene maleic acid amide, 2.3%-3.1% of a hindered amine light stabilizer and 6%-9.5% of isobutyltriethoxysilane. The regenerant has excellent permeability, can fully adjust the composition andstructure of activated and aged asphalt, can greatly improve the low-temperature performance of the waste asphalt mixture and ensure good pavement performance, and the preparation method is simple.

The invention provides a two-component marking cart with stirring and mixing functions, the two-component marking cart comprises a marking part and a feeding part, the feeding part is used for feeding paint to the marking part, and the marking part is used for coating marking; the feeding part comprises a movable base, the marking part is fixed to one side of the movable base, a first material box, a second material box, a material mixing box, a first pump body and a second pump body are installed on the movable base, the first pump body pumps materials in the first material box into the material mixing box, and the second pump body pumps materials in the second material box into the material mixing box; a partition plate is fixedly arranged in the material mixing box and divides the material mixing box into a first cavity and a second cavity, the first cavity is located above the second cavity, the first cavity is used for stirring and mixing materials, the second cavity is used for stirring and temporarily storing the mixed materials, and the second cavity communicates with the marking part through a second material conveying pipe; the two-component marking cart is novel in structure, marking paint can be effectively stirred, mixed and temporarily stored, and the construction efficiency can be improved.

The invention discloses silver nanowire-silver complex composite conductive ink which comprises silver nanowire ink and silver complex ink, wherein the silver nanowire ink accounts for 80-95 wt%, and the silver complex ink accounts for 5-20 wt%; the silver nanowire ink comprises a silver nanowire and a dispersing agent, the silver nanowire accounts for 0.5-5 wt%, and the dispersing agent accounts for 95-99.5 wt%; and the silver complex ink comprises a silver complex and a stabilizer, the silver complex accounts for 5-10 wt%, and the stabilizer accounts for 90-95wt%. According to the silver nanowire-silver complex composite conductive ink disclosed by the invention, the preservation period of the composite conductive ink can be prolonged, industrialized production is easily realized, the conductivity and uniformity of the formed film are improved, the speed of separating out the silver nanowire in the silver nanowire ink can be effectively reduced, and the silver nanowire is prevented from being agglomerated and settled; and meanwhile, the resistance uniformity of the silver nanowire after film formation can be increased.

The invention discloses an efficient gluing device for a brake pad. The efficient gluing device comprises a box body, and four supporting legs are fixed to the bottom of the box body through bolts. Acontrol box is fixed to the outer wall of one side of the box body through bolts, and a shell is fixed to the outer wall of the other side of the box body through bolts; a conveying mechanism is arranged at the top of the box body; a glue storage box is fixed to the inner wall of the top of the box body through bolts; a stirring mechanism is arranged in the glue storage box; two protective coversare fixed to the outer wall of the top of the box body through bolts; and a dust removal mechanism, a gluing mechanism and a drying mechanism are respectively arranged in the two protective covers. According to the efficient gluing device for the brake pad provided by the invention, by starting a motor II, an output end of the motor II drives a belt wheel II to rotate, the belt wheel II drives a belt wheel I to rotate through a belt I, and therefore stirring rods on two rotating shafts are driven to rotate, protective glue in the glue storage box is evenly stirred and blended, and the protective glue is prevented from being precipitated and caked, and the phenomenon of non-uniform gluing or blockage of a gluing opening is avoided.

The invention discloses a single-component scale type epoxy zinc-rich anti-corrosive primer and a preparation method thereof, belongs to the field of industrial anti-corrosive coatings, and solves the problems of poor paint film flexibility, serious zinc powder precipitation and poor salt spray resistance of existing anti-corrosive coatings. The anti-corrosive primer comprises linseed oil modified epoxy resin, a dispersing agent, bentonite, fumed silica, flaky zinc powder, glass flakes, nano nickel-titanium alloy, superfine ferrophosphorus powder, a drier cobalt iso-octoate, an adhesion promoter, xylene and butyl acetate. The preparation method comprises the following steps: sequentially adding the linseed oil modified epoxy resin, the dispersing agent, the bentonite, the fumed silica, the flaky zinc powder, the glass flake, the nano nickel-titanium alloy and the superfine ferrophosphorus powder, and performing uniform stirring; increasing the rotating speed for high-speed dispersion; adding the drier cobalt iso-octoate, the adhesion promoter, the xylene and the butyl acetate while stirring; and performing filtering and packaging. The anti-corrosive primer is excellent in performance and convenient to prepare.

The invention belongs to the technical field of phase change materials. The invention provides a nano-metal composite phase change material and a preparation method thereof. The preparation method comprises the steps of S1, in a weak acid environment, mixing expanded graphite and nano-metal, conducting ball milling and annealing treatment in sequence, and acquiring a heat conduction enhanced material, S2, pre-dispersing a carbon material to obtain a shaped material, and S3, dispersing the heat conduction enhanced material and the shaped material in liquid paraffin, performing heating reaction, performing high-temperature curing, and performing cooling to obtain the nano-metal composite phase change material. The nano-metal is uniformly adsorbed in a heat-conducting network of the expanded graphite, so that the problem of sedimentation and agglomeration of the nano-metal can be prevented, and the latent heat value of the composite phase change material is greatly improved; the carbon material is adopted as a shaped material to be mixed with the heat conduction enhanced material, a closed three-dimensional network structure can be formed and firmly covers the composite phase change material, crack diffusion and fracture in the composite phase change material are effectively avoided, and the leakage problem is prevented.

The invention discloses a drying device for chemical raw materials and medicine. The drying device comprises a body which comprises a variable frequency motor, a feeding hole and a discharge hole. The base is arranged under the body; the variable frequency motor is arranged between the body and the base; the output part of the variable frequency motor is connected with a mixing shaft; the mixing shaft extends into the body; transverse mixing wheels are symmetrically arranged on the mixing shaft; the mixing shaft and the transverse stirring wheels are all of hollow structures; electric heating tubes are arranged inside the transverse stirring wheels and the mixing shaft; a screw scraper plate is further arranged on the mixing shaft; the feeding hole is formed in the top end of the body; a hot-air blower is connected with an air pipe arranged in the body by use of a guide pipe; a plurality of air holes are formed in the surface of the air pipe; a dry layer is arranged under the air pipe; an insulating layer is arranged on the inner wall of the body; an air pump is arranged on the outer surface of the body; the discharge hole is formed in the bottom of the body; a supporting bar is arranged between the body and the base. The drying device for chemical raw materials and medicine has the advantages of reasonable structural design, good drying effect, long service life and the like.