445 results about "Dip-coating" patented technology

Methods and analyte sensors including at least a first working electrode having a first active area thereon, and performing a dip coating operation to deposit a bilayer membrane upon the first working electrode and the first active area. The bilayer may include an inner layer having a first membrane polymer and an outer layer having a second membrane polymer, the first membrane polymer and the second membrane polymer differing from one another. The dip coating operation may comprise one or more first dips in a first membrane formulation to form the inner layer of the bilayer membrane and one or more second dips in a second membrane formulation to form the outer layer of the bilayer membrane upon the inner layer.

Methods and analyte sensors including at least a first working electrode having a first active area thereon, and performing a dip coating operation to deposit a bilayer membrane upon the first working electrode and the first active area. The bilayer may include an inner layer having a first membrane polymer and an outer layer having a second membrane polymer, the first membrane polymer and the second membrane polymer differing from one another. The dip coating operation may comprise one or more first dips in a first membrane formulation to form the inner layer of the bilayer membrane and one or more second dips in a second membrane formulation to form the outer layer of the bilayer membrane upon the inner layer.

Methods and analyte sensors including at least a first working electrode having a first active area thereon, and performing a dip coating operation to deposit a bilayer membrane upon the first working electrode and the first active area. The bilayer may include an inner layer having a first membrane polymer and an outer layer having a second membrane polymer, the first membrane polymer and the second membrane polymer differing from one another. The dip coating operation may comprise one or more first dips in a first membrane formulation to form the inner layer of the bilayer membrane and one or more second dips in a second membrane formulation to form the outer layer of the bilayer membrane upon the inner layer.

Methods and analyte sensors including at least a first working electrode having a first active area thereon, and performing a dip coating operation to deposit a bilayer membrane upon the first working electrode and the first active area. The bilayer may include an inner layer having a first membrane polymer and an outer layer having a second membrane polymer, the first membrane polymer and the second membrane polymer differing from one another. The dip coating operation may comprise one or more first dips in a first membrane formulation to form the inner layer of the bilayer membrane and one or more second dips in a second membrane formulation to form the outer layer of the bilayer membrane upon the inner layer.

A dual-modal information storage and anti-counterfeiting material, and its preparation method are provided. The dual-modal information storage and anti-counterfeiting material uses cadmium sulfide quantum dots (CdS QDs) as information storage material, and uses the controllable photocorrosion of CdS QDs to achieve dual-modal optical information storage and anti-counterfeiting applications. Firstly, the type of ligands and modification degree of CdS QDs are precisely controlled during the aqueous phase synthesise process, so as to effectively control the photocorrosion phenomenon under UV light irradiation. Subsequently, the CdS QDs are loaded in the hydrogel network, and they are also loaded on the substrates such as cloth and paper by spray coating, dip coating or 3D printing, and the information is stored by digital light patterning. Different from the photochromic function of traditional anti-counterfeiting material, the CdS QDs shows dual-modal patterning characteristics in a wide wavelength range.

The invention provides a preparation method of a nano super-hydrophobic material. The preparation method comprises the following steps: firstly, selecting nano silicon dioxide particles with the particle size of 20-50 nanometers, and matching the nano silicon dioxide particles with heptadecafluorodecyl trimethoxysilane and other raw materials; the nano silicon dioxide particles are subjected to surface modification for 3-5 hours at 40-60 DEG C by controlling the volume ratio of absolute ethyl alcohol to deionized water to be (3-5): 1 and the mass ratio of the long-chain alkyl silane coupling agent to the nano silicon dioxide particles to be (0.5-1.5): 1. Adding 0.1-0.5% hydrochloric acid or sulfuric acid for catalysis, and stirring at room temperature for 2-4 hours to form a sol-gel system; ultrasonically cleaning the substrate, activating with a sodium hydroxide solution, coating by a spraying, dip-coating or spin-coating method, and drying and curing at 60-80 DEG C for 2-3 hours to obtain a finished product. The water contact angle of the prepared material is not lower than 150 degrees, the rolling angle is not higher than 5 degrees, the performance is stable in the environment with the temperature ranging from-20 DEG C to 80 DEG C and the humidity ranging from 20% to 90%, and the water contact angle is still not lower than 140 degrees after more than 500 times of abrasive paper friction tests.

The invention relates to a preparation method of a molecular sieve type SCR (Selective Catalytic Reduction) catalytic membrane, which comprises the following steps: taking an alpha-Al2O3 ceramic membrane tube as a carrier, carrying out alkali washing and acid washing on the ceramic membrane tube, and then drying to remove impurities in the ceramic membrane tube. Meanwhile, preparing a membrane preparation solution, firstly mixing a molecular sieve with a metal compound with an SCR effect, adding deionized water to prepare a mixed solution with the catalytic metal content of 0.1-0.3 mol / L, adjusting the pH value, heating and ultrasonically carrying out an ion exchange reaction, and adding a binder to prepare the membrane preparation solution; and loading the molecular sieve catalyst to the inner side of the alpha-Al2O3 ceramic membrane tube in a dip coating manner. And drying and roasting the membrane tube, and carrying out surface hydrophobic modification on the outer side of the ceramic membrane tube to obtain the molecular sieve SCR catalytic membrane. The efficient molecular sieve SCR catalytic membrane is obtained through one-time roasting, waste gas water and dust removal and SCR catalysis can be achieved at the same time, the conversion rate of NOx in the low-temperature environment is high, and the whole process is safe and environmentally friendly.

A reaction mixture for producing a film-forming polycarbosilazane polymer comprises a first compound containing at least two unsaturated groups and a second compound containing at least two —SiH2— hydrosilyl functional groups, wherein the reaction mixture is capable of forming the film-forming polycarbosilazane polymer utilizing hydrosilylation of the first compound by the second compound. Also disclosed are methods of forming a silicon and carbon containing film on a substrate comprising the steps of producing a film-forming polycarbosilazane polymer by a polymerization of a reaction mixture of a first compound containing at least two unsaturated groups and a second compound containing at least two hydrosilyl functional groups, forming a solution containing the film-forming polycarbosilazane polymer, and contacting the solution with the substrate via a spin-on coating, spray coating, dip coating, or slit coating technique to form the silicon and carbon containing film on the substrate.

The invention discloses a graphene microchip dip-coating device for a PCB (Printed Circuit Board) substrate, and relates to the technical field of circuit board processing. Comprising a gantry moving frame, a plurality of treatment grooves and a mounting rod, and a plurality of clamping units distributed at equal intervals are arranged on the mounting rod; the clamping unit comprises a U-shaped frame which is erected on the mounting rod, the U-shaped frame is provided with a fixed clamping frame, the fixed clamping frame is fixedly connected with a positioning block and hinged to a movable clamping frame, and a supporting piece is fixedly connected to the side, close to the positioning block, of the movable clamping frame. The movable clamping frame is supported and limited through the supporting piece, when the base plate is clamped, the base plate only needs to be moved, the supporting piece is pushed through the base plate, the supporting piece relieves limiting of the movable clamping frame through the supporting piece, and then the base plate can be clamped and fixed, so that the step that all clamps are fastened one by one is omitted, and the clamping efficiency is improved. The probability that the substrate deflects during the clamp fastening process is reduced, the operation steps are simplified, and then the dip-coating and electroplating efficiency is improved.

The utility model relates to coating equipment, and discloses hydrophilic coating coating equipment for medical catheters, which comprises a dip-coating module, a lifting module and a curing module, the dip-coating module comprises a moving frame and a horizontal driving device, a solution tube is mounted on the moving frame, the horizontal driving device is in driving connection with the moving frame, and the lifting module is connected with the curing module. The lifting module comprises a lifting driving device, a rotating assembly and a mounting frame, the mounting frame is used for mounting a medical catheter and connected with the lifting driving device, the rotating assembly is used for driving the medical catheter to rotate, the mounting frame is located above the dip-coating module, the curing module comprises an ultraviolet lamp set, and the ultraviolet lamp set is located on the side face of the lifting module. According to the utility model, the hydrophilic coating can be efficiently and uniformly formed on the medical catheter.

The invention relates to a hot dip coating apparatus for coating a metal strip. The invention also relates to a device for wiping excess coating metal from a coated metal strip in a hot dip coating apparatus, and a method for wiping excess coating metal from a coated metal strip in a hot dip coating apparatus.

The utility model discloses a dip-coating tank and an electric hot melting non-self-adhesive asphalt waterproof coiled material production device. The dip-coating tank comprises a dip-coating tank body, and a first partition plate assembly and a second partition plate assembly are arranged in a tank cavity of the dip-coating tank body. The first partition plate assembly and the second partition plate assembly divide the groove cavity into electric hot melting asphalt coating material dip-coating grooves located on the two sides and a common asphalt coating material dip-coating groove located in the middle in the width direction, and gaps for coiled materials to pass through are formed in the first partition plate assembly and the second partition plate assembly correspondingly. The structure is improved to adapt to the production and processing of the novel electric hot melting non-self-adhesive asphalt waterproof coiled material.

The utility model relates to the technical field of battery manufacturing, and provides a spraying device and a battery production line. The spraying device comprises a bottom die, the top surface of the bottom die is provided with a limiting groove, the limiting groove comprises an arc-shaped concave surface and a vertical surface connected with the arc-shaped concave surface, the arc-shaped concave surface is configured to be matched with the shape of the peripheral surface of a cylindrical battery monomer, and the vertical surface is provided with a spraying channel; the first end face is arranged corresponding to a cylindrical battery monomer and provided with a welding seam; the dip-coating piece is arranged on the vertical face, a spraying hole is formed in the dip-coating piece, the spraying hole communicates with the spraying channel, and the dip-coating piece is configured to be attached to the welding seam; and the clamping mechanism is used for clamping the cylindrical battery monomer, and the clamping mechanism is used for driving the cylindrical battery monomer to rotate around the axial direction of the cylindrical battery monomer. According to the technical scheme, the efficiency of spraying the anticorrosive paint on the welding seam of the cylindrical battery monomer can be improved.

The invention discloses an ultraviolet-cured glass fabric impregnated reinforced material as well as a preparation method and application thereof. The ultraviolet-cured glass fabric impregnated reinforced material comprises the following components in parts by weight: 50-70 parts of main body UV resin; 10 to 15 parts of tripropylene glycol diacrylate; 10 to 15 parts of N-acryloyl morpholine; 15 to 20 parts of cyclotrimethylolpropane methylal acrylate; and 5-10 parts of a photoinitiator. The prepared ultraviolet-cured glass fabric impregnated reinforced material has good cold and hot temperature difference resistance, high temperature resistance and weather resistance, also has good scratch resistance, can be used for processing glass fabric in a manner of photocuring after dip coating, and has the advantages of simple processing technology, high efficiency, low energy consumption and no pollution to the environment.

The invention discloses a preparation method of a super-hydrophobic nano coating, and relates to the technical field of nano coatings, and the preparation method specifically comprises the following preparation steps: step 1, under the temperature condition of 20-50 DEG C, ultrasonically dispersing 1.5-3 parts of modified nano silicon dioxide in 60-80 parts of deionized water, adding 1-4 parts of modified graphene oxide, stirring at the rotating speed of 800-1000 r / min for 15-30 min, and then adding 1-3 parts of a dispersing agent, and stirring at the rotating speed of 800-1000 r / min for 20-30 min; adding 0.8-1.5 parts of a tin dioxide core / shell structure, and continuously stirring for 24-72 hours to obtain a super-hydrophobic nano coating solution; and 2, coating the surface of the cleaned substrate with the super-hydrophobic nano coating solution by adopting a spraying, brush coating, dip coating or spin coating method, and naturally airing to obtain the super-hydrophobic nano coating. According to the invention, hydrophobic groups are introduced to the surface of nano silicon dioxide, long-chain organic groups are connected to the surface of silicon dioxide, and the organic groups can reduce the surface energy of the coating and increase the contact angle of water drops on the surface of the coating, so that the hydrophobicity of the coating is improved.

The invention relates to a hot dipping solution for a bridge cable steel wire. The hot dipping solution comprises the following chemical components in percentage by weight: 5-20% of Al, 0.05-1.0% of RE, 0.05-3.0% of Si, 0.05-3.0% of Cr, 0.05-3.0% of Ni, and the balance of Fe. The preparation method comprises the following steps: preheating zinc ingots and aluminum blocks; preheating the smelting furnace; the zinc ingot is put in and heated to be melted; aluminum blocks are added in three batches; adding RE and silicon; naturally cooling the hot-dip plating solution for later use; the application method comprises the following steps: pretreating the bridge cable steel wire; plating assisting treatment; performing hot dipping; performing treatment; and coating oil for protection. According to the hot dipping temperature and the hot dipping time suitable for the steel wires with different diameters, the performance of the series of steel wires with the diameter of 5 mm is optimal after the steel wires are subjected to hot dipping treatment at 440-450 DEG C for 30-60 s, the tensile strength reaches 2148 Mpa, the ductility reaches 4.95%, and the number of torsion turns reaches 15; a series of steel wires with the diameter of 7 mm have the best performance after being subjected to hot dipping treatment at 450-460 DEG C for 30-60 s, the tensile strength reaches 2160 Mpa, the ductility reaches 5.53%, and the number of torsion turns reaches 14 times.

The invention discloses a tough underwater superoleophobic gel composite coating and a preparation method thereof.The preparation method specifically comprises the following steps that 1, a base material is soaked in a mixed solution of tannic acid and 3-aminopropyltriethoxysilane, after a period of time, the base material is taken out and soaked in a ferric chloride solution, and a nano-particle modified filter screen is obtained after drying; (2) loading the gel precursor solution on a nanoparticle modified filter screen through a dip-coating method, and preparing a gel composite filter screen under ultraviolet initiation; and (3) soaking the gel composite filter screen in a sodium citrate aqueous solution, and taking out the gel composite filter screen to obtain the tough underwater super-oleophobic gel composite coating modified fishing net. According to the method, the tough underwater super-oleophobic gel composite coating modified fishing net is prepared by adopting an impregnation method and ultraviolet initiation, the preparation process is simple, and the prepared gel composite coating has excellent oil stain resistance, mechanical stability and chemical stability and can be applied to crude oil adhesion prevention and oil-water separation of industrial oily wastewater.

The invention discloses dip-coating equipment and a dip-coating method for processing impregnated decorative paper, which are used for realizing uniformity control in the impregnation process of the decorative paper and solving the problem of excessive or insufficient local glue amount in the existing impregnation mode. On one hand, the dip-coating equipment for processing the impregnated decorative paper comprises a glue tank, a paper feeding roller, an impregnating mechanism, a smearing mechanism and a glue scraping mechanism are sequentially arranged on the glue tank from one side to the other side of the glue tank, and the paper feeding roller is arranged above one side of the glue tank and can rotate in the circumferential direction of the paper feeding roller; the dipping mechanism comprises a dipping roller, and the dipping roller is arranged in the glue tank; the coating mechanism is arranged above the glue tank, the coating mechanism comprises two groups of brush rollers, the two groups of brush rollers are symmetrically arranged up and down, and the two groups of brush rollers are driven by a third power device to rotate in the circumferential direction of the brush rollers; the whole glue scraping mechanism is arranged above the glue tank, the glue scraping mechanism comprises two groups of scraping plates, and the two groups of scraping plates are symmetrically arranged up and down.

The utility model discloses a dipping device for Dacromet coating, comprising a frame, a dipping tank, a lifting device and a driving device, wherein the dipping tank is installed on the frame, and the dipping tank is provided with a dipping chamber for storing Dacromet coating liquid; the lifting device comprises a lifting member, a hanging assembly and a placing net basket, the lifting member is slidably mounted on the frame, the hanging assembly is installed on the lifting member, the lifting device is suitable for being driven to slide up and down, the hanging assembly is suitable for hanging the placing net basket, and the placing net basket is suitable for placing workpieces to be dipped; the driving device is connected to the lifting device, and the driving device is suitable for driving the lifting member to slide up and down on the frame so that the placing net basket on the hanging assembly is immersed in the Dacromet coating liquid in the dipping chamber during the sliding process.

A method of producing a hot dip-coated high-strength steel strip with plasticity brought about by microstructural transformation starting from producing a hot-rolled steel strip, etching and optionally cold rolling the hot-rolled steel strip to give a cold-rolled steel strip, subsequently continuously annealing in a continuous process of hot dip coating the cold- or hot-rolled steel strip, subsequently cooling the cold- or hot-rolled steel strip to an intermediate temperature, subsequently further cooling the cold- or hot-rolled steel strip from the intermediate temperature to a cooling stop temperature within a temperature range and at an average cooling rate, and then keeping the temperature within a temperature range, then hot dip coating the cold- or hot-rolled steel strip, and cooling the hot dip coated cold- or hot-rolled steel strip at an average cooling rate to ambient temperature. The corresponding hot dip-coated high-strength steel strip thus has plasticity brought about by microstructural transformation.

The present invention provides a super-hydrophobic polyurethane foam and a preparation method thereof, and relates to the technical field of oil-water separation materials. The preparation method includes preparing polyurethane foam by reacting a polyester polyol mixed solution with isocyanate; Nano-scale silicon dioxide and nano-crystalline cellulose are mixed evenly to form a solid mixture, and the solid mixture is dispersed using an ethanol solution to dissolve and disperse to prepare a dip-coating solution; Polyurethane foam is placed in a dip-coating solution and subjected to at least one dip-coating and drying process, to prepare a super-hydrophobic polyurethane foam, and the dip-coating and drying process includes sequentially being subjected to ultrasonic treatment and drying process; Wherein, the mass ratio of polyester polyol to isocyanate in polyurethane foam is 2: 1 2: any value in 1.5, and the mass ratio of nano-scale silicon dioxide to nano-crystalline cellulose in the dip-coating solution is 5: 1 10: any value in 1. The super-hydrophobic polyurethane foam prepared by the preparation method of super-hydrophobic polyurethane foam in the present invention has excellent lipophilic and hydrophobic properties, and can be used in oil-water separation related fields.

The invention belongs to the technical field of hot dip coating, and relates to an alloyed powder spraying system and a zinc-aluminum-magnesium coating process based on the alloyed powder spraying system.The alloyed powder spraying system comprises the following steps that 1, alloyed powder is dried for standby application, when the alloyed powder is prepared, high-magnesium-content zinc-aluminum-magnesium alloy is molten in a zinc-aluminum-magnesium pot to form hot dip molten liquid, and the hot dip molten liquid is cooled to the room temperature; the hot-dip coating is waited for use during hot-dip coating; 2, the strip steel is fed into a zinc-aluminum-magnesium pot to be subjected to hot dipping, so that a high-magnesium-content zinc-aluminum-magnesium coating is formed on the surface of the strip steel, and air knife treatment is conducted; and 3, the standby alloy powder in the step 1 is adopted as a cooling agent, alloy powder spraying is conducted on the surfaces of the two sides of the strip steel subjected to hot dipping at the same time through an alloy powder spraying system, a high-magnesium-content zinc-aluminum-magnesium coating is cooled and serves as a nucleation for solidification of a zinc-aluminum-magnesium coating alloy, and the high-magnesium-content zinc-aluminum-magnesium coating alloy is obtained. And cooling control over the solidification process of the high-magnesium-content zinc-aluminum-magnesium coating is achieved by adjusting parameters of the alloy powder.

The invention discloses a preparation method of a packaged electric heating phase change fiber with an axial orientation conductive network, which comprises the following steps: dissolving carbon black in water, dispersing, and adding methyl cellulose to prepare a carbon black / methyl cellulose spinning solution; extruding into a cold source through a spinning needle on an injection pump, enabling the spinning solution to enter the cold source to be gradually frozen, and collecting frozen fibers to prepare carbon black / methyl cellulose aerogel fibers with conductive network structures in different orientations; immersing the carbon black / methyl cellulose aerogel fiber into a molten phase change material, and cooling after vacuum impregnation to obtain an electric heating phase change fiber; and coating the electrothermal phase change fiber with a polymer solution through a dip-coating method, and volatilizing the solvent to prepare and complete shell packaging, thereby obtaining the packaged electrothermal phase change fiber. The packaged electrothermal phase change fiber prepared by the method has high conductivity, high energy storage density, high electrothermal conversion efficiency, excellent flexibility and stability, and excellent thermal management capability.

The invention relates to a daytime passive radiation refrigeration coating material and a preparation method and application thereof.The preparation method comprises the steps that perovskite oxide Sr (Zr < 1-y > Xy) Oz ceramic, polyvinylidene fluoride and an N-methyl pyrrolidone solution are blended, and organic-inorganic mixed slurry is obtained; coating the slurry on the surface of a substrate through a blade coating method, a pulling method or a cold spraying process; and airing or drying to obtain the product. The coating material disclosed by the invention has excellent sunlight high reflectivity and mid-infrared high emissivity, so that the coating can effectively dissipate heat to outer space in a daytime high-temperature environment, and a passive cooling effect is realized. Under the conditions that the sunlight intensity is 772 W / m < 2 > and the environment relative humidity is 19%, the refrigeration performance of 6.8 DEG C can be achieved. Meanwhile, the slurry formula and the preparation process of the coating are simple and easy to implement, raw materials are easy to obtain, the cost is low, the coating is suitable for various coating processes, and stable coatings can be formed on the surfaces of matrixes in different shapes.

The invention discloses forming equipment and method for a three-layer continuous composite pipe, and relates to the technical field of composite pipe machining, the forming equipment comprises an extruder, a traction machine, a winding machine and a coating machine, the extruder extrudes and forms an inner layer, the inner layer is dragged by the traction machine to the winding machine to be wound and formed into a middle layer, and then the inner layer is dragged by the traction machine to the coating machine to be coated and formed into an outer layer. The three-layer continuous composite pipe is sequentially formed in a layered mode through three forming methods, an automatic production line can be achieved through traction of an auxiliary device traction machine, the working efficiency is improved, and most labor cost is saved; the outer layer adopts dip-coating and roll-coating processes, so that the coating area is large, the efficiency is high, and compared with extrusion molding, the process is more convenient and quicker.

The invention discloses a modified MXene conductive polymer bacterial cellulose composite fiber electrode and a preparation method and application thereof, and belongs to the field of composite conductive super-strong fiber preparation. The preparation method comprises the following steps: mixing K-MXene and a conductive polymer to obtain composite conductive ink; then, the strip-shaped BC hydrogel is crosslinked with composite conductive ink through a hydrogen bond, and K-MXene / PEDOT: PSS-coated BC conductive hydrogel is obtained; secondly, the conductive hydrogel is subjected to a wet state-drafting technology and a wet state-twisting technology, and K-MXene / PEDOT: PSS-BC conductive composite large fibers are obtained; finally, the p-K-MXene / PEDOT: PSS (at) BC composite conductive large fiber electrode is obtained through dip coating of PDMS dispersion liquid and solvent replacement, and the p-K-MXene / PEDOT: PSS (at) BC composite conductive large fiber electrode is obtained. The prepared fiber electrode and commercial yarn can be woven into an intelligent fabric which is used for a self-powered sensor and reliable detection of human body signals.

The invention relates to a zinc-aluminum-magnesium alloy coated steel plate / strip for photovoltaic structure manufacturing and a production method, and belongs to the field of metal material processing and manufacturing. The base material is composed of 0.15%-0.20% of C, 0.20%-0.3% of Si, 0.5%-0.8% of Mn, less than or equal to 0.025% of P, less than or equal to 0.015% of S, 0.03%-0.07% of Als, 0.010%-0.020% of N, 0.020%-0.040% of Ti, 0.010%-0.030% of V and the balance Fe and inevitable impurities; ti + V = (0.2-0.45) x (C + N). The method comprises the steps of hot rolling, acid pickling, cold rolling, annealing, hot dipping, air knife purging and finishing. The technology improves the stability, obdurability and surface quality of the plate. The problems that a zinc-aluminum-magnesium steel plate alloy prepared in the prior art is single in strengthening, high in cost, wide in strength range, low in ductility and large in performance fluctuation are solved.

The invention relates to a preparation method of water-based silicon dioxide core-shell structure coating liquid photovoltaic glass, and belongs to the technical field of photovoltaic glass, the preparation method comprises the following steps: S1, preparing raw materials of silicon dioxide, organosilane, fluoride and a water-based solvent; s2, preparing a coating solution, namely preparing a water-based silicon dioxide core-shell structure coating solution by a sol-gel method, adding silicon dioxide nanoparticles into deionized water, and dispersing to obtain silicon dioxide sol; adding a proper amount of organosilane and fluoride into the silicon dioxide sol, and uniformly mixing to form a core-shell structure; adjusting the pH value of the solution according to formula requirements; continuously stirring for a certain time to form a stable water-based dispersion liquid; s3, coating and drying are performed according to the surface morphology of the photovoltaic glass by selecting a dip-coating method, spray coating or spin coating; and drying treatment: putting the coated photovoltaic glass substrate into a drying oven, carrying out primary drying, and then carrying out medium-temperature annealing treatment.

The application discloses a kind of textile dip coating integrated equipment, the present application relates to textile processing equipment technical field, including: equipment is provided with micro-liquid film part and wedge extrusion part along the direction of textile conveying, micro-liquid film part and wedge extrusion part below are provided with floater control part, floater control part is provided with the liquid return shell of upper end opening, the liquid return shell is formed by communicating with channel guide section and box recovery section, the bottom of channel guide section is inclined to box recovery section, vertically arranged liquid baffle is fixed in box recovery section, and liquid baffle separates box recovery section into reflux cavity and drainage cavity, the equipment is provided with floater control part and floater part, so that float ball can be lifted with the change of liquid level in liquid return shell, and the flow area between second liquid inlet pipe and infusion tube is adjusted by lever arm, rotating rod and connecting rod drive valve needle to move, so that, equipment can automatically adjust the coating liquid supply amount entering micro-liquid film part according to the liquid level in liquid return shell.

A bearing system is configured for use between a roller journal and a support frame in a molten metal hot dip coating line for steel strip. The system includes a sleeve configured to attach to a journal and a bearing assembly comprising a bushing rotatably supporting the sleeve. The sleeve is made from solid cemented carbide. An elastically compressible layer joins the sleeve to the journal, wherein the sleeve and the journal are mechanically coupled to rotate together.