61results about How to "Solve layering" patented technology

The invention discloses a mixing device for bulk blending fertilizer production, which comprises a base, a mixing box, a plurality of feeding pipes and corresponding storage tanks, different types of fertilizers are accurately introduced into the mixing box in proportion through a quantitative feeding system, and an elliptical plate assembly in the mixing box drives a pull rod and a material receiving frame to horizontally reciprocate; different kinds of fertilizers are preliminarily mixed in the feeding frame, meanwhile, uniform dispersion of the fertilizers in the mixing box is ensured through a multi-layer dispersion mechanism composed of conical blocks and spiral blades, the layering problem caused by accumulation in a traditional device is effectively solved, and therefore the overall mixing effect is improved; the device is simple in structure, convenient to operate and convenient to clean and maintain, the multiple stirring and dispersing structures of the device are suitable for the production requirements of various blended fertilizers, particularly, the obvious effect is shown under the precise fertilization requirement, and the crop growth quality and the production efficiency can be improved.

The invention discloses a photovoltaic module and a preparation method thereof, and relates to the technical field of solar cell manufacturing, and the method specifically comprises a laminated part, a frame arranged on one side of the laminated part, a first packaging adhesive film and a second packaging adhesive film. Wherein a first extension section is arranged on one side of the cover plate of the laminated piece, and the extension section is close to the frame; the first packaging adhesive film is arranged below the first extension section and extends to a lower edge area of the back plate included by the laminated piece; one or more drainage holes are formed in the side face of the frame. And filling a second packaging adhesive film between the closed area and the laminated piece aiming at the closed area without the drain hole in the frame. According to the embodiment, accumulated water can be drained, and meanwhile, the side, close to the frame, of the back plate is effectively protected, so that water vapor cannot permeate into the laminated structure of the back plate in the drainage process, and the layering problem of the photovoltaic module is avoided.

The utility model provides A-grade polyurethane fireproof thermal insulation material production equipment which comprises a component A feeding tank, a component B feeding tank, a solid flame retardant feeding tank, a solid-liquid mixing tank and a material distribution forming device, and the component A feeding tank and the component B feeding tank are connected with a liquid feeding port of the solid-liquid mixing tank through a liquid feeding device. The solid flame retardant feeding tank is connected with a solid feeding port of the solid-liquid mixing tank through the solid feeding device, a discharging port of the solid-liquid mixing tank is connected with the material distributing and forming device through a discharging pipe, a push type stirrer is installed in the solid-liquid mixing tank, the solid feeding device comprises a bridging crusher and a spiral feeder, and the spiral feeder is connected with the discharging port of the solid-liquid mixing tank. And two ends of the bridging crusher are respectively connected with a discharge port of the solid flame retardant feeding tank and a feed port of the spiral feeder. According to the utility model, the layering phenomenon and the bridging phenomenon of solid materials are solved, mixing, conveying and material distribution of liquid and solid are carried out at the same time, and continuous production of the materials is realized.

The invention provides a rice yeast mixing and stirring device for rice vinegar processing and production, and relates to the technical field of rice vinegar processing. The rice yeast mixing and stirring device for rice vinegar processing and production comprises a stirring box, the middle position of the bottom of the stirring box is fixedly connected with a driving motor, and an output shaft of the driving motor is fixedly connected with a rotating shaft; a protective shell is fixedly connected to the top of the stirring box, a rotating cavity is formed in the protective shell, an upper sliding groove is formed in the top of the rotating cavity, and a lower sliding groove is formed in the bottom of the rotating cavity. By arranging a driving disc, a rotating cavity, an upper sliding groove, a lower sliding groove, a plurality of material storage barrels, a rotating groove and a discharging hole, when a driving motor controls a rotating shaft to drive a stirring rod to rotate, the multiple material storage barrels can be driven to rotate at the same time, raw materials in the multiple material storage barrels are discharged at the same time, the multiple raw materials are covered in a crossed mode, and the layering problem is effectively solved; the mixing and stirring time is greatly shortened, and the mixing and stirring efficiency is favorably improved.

The invention relates to an integrated bionic double-layer anti-bending artificial blood vessel and a preparation method thereof.The artificial blood vessel is of a hollow tubular fabric structure and is composed of an inner layer and an outer layer, and the inner surface of the inner layer is a smooth curved surface formed by interweaving multifilaments; the outer layer is of a fluffy, porous and circumferentially oriented arrangement structure formed by hooking, stretching and deforming monofilaments in the multifilaments on the outer surface of the inner layer, and the inner layer and the outer layer are of a tightly connected integrated structure; during preparation, multifilaments are adopted to form the tubular skeleton of the artificial blood vessel through a weaving, knitting or weaving method, napping, snagging or pile cutting is firstly carried out after treatment, then a carding process is carried out, and finally post-treatment shaping is carried out, so that a product is obtained. The preparation method is simple, and the double-layer artificial blood vessel is integrally formed and has good bending resistance; the inner layer and the outer layer of the artificial blood vessel are of an integrated structure, multi-layer structure regeneration of the blood vessel is promoted through the design of the double-layer structure artificial blood vessel, the problem of joint surface layering does not exist during degradation, and a stable structure for cell adhesion growth in the blood vessel regeneration process is provided.

The invention belongs to the field of integrated circuit plastic package, and particularly relates to a method for inhibiting internal layering of a plastic package circuit. The invention aims to solve the problem of internal layering of the plastic package circuit. According to the method for inhibiting layering in the plastic package circuit, a coupling agent, poly-p-xylylene and a coupling agent are respectively deposited in the circuit by adopting a vacuum gas phase deposition process, and nano fluorine is deposited on a plastic package outer layer. According to the invention, the waterproof and moistureproof capability of the device can be effectively enhanced, layering is inhibited, the plastic package material is not corroded after the device passes through HAST, high-pressure cooking and salt mist examination, and the appearance is kept clean and tidy.

The invention discloses a casting device and a casting method for preventing the stratification phenomenon of concrete specimen casting. The casting device comprises a bracket, a sample chamber is installed inside the bracket, a vibration motor and a rotating motor are installed on the bracket, the sample chamber is connected to the power output shaft of the vibration motor through a first connecting rod, and the sample chamber is installed on the power output shaft of the rotating motor through a second connecting rod; the sample chamber comprises a sample box and a top cover, an air cavity is opened in the top cover, a plurality of air holes connected to the air cavity are opened at the lower end of the top cover, a plurality of first telescopic devices and a second telescopic device are installed on two opposite side walls in the sample box, and the telescopic ends of the telescopic devices are fixedly connected to the first movable plate and the second movable plate respectively. By changing the casting device and casting process of conventional concrete specimens, the casted concrete specimens well overcome the problem of coarse and fine aggregates and cement stratification, and more truly reflect the real engineering characteristics of concrete.

The invention relates to the field of stirring and mixing, and discloses an efficient vertical stirring and mixing container which comprises a mixing box, a scraping mechanism is mounted in the mixing box and used for scraping and mixing residual materials on the inner wall of the mixing box, and a swinging mechanism is mounted on one side of the outer wall of the mixing box and used for integrally swinging and mixing the mixing box. Through the design of the scraping mechanism, the utilization rate of materials and the mixing integrity are improved, the servo motor drives the threaded rod to rotate to drive the scraping ring to move up and down, and the materials attached to the inner wall of the mixing box can be effectively scraped down to participate in mixing again. The material loss is reduced, the yield is improved, the uniformity of mixed material components is ensured, and for industries such as pharmacy and chemical engineering which have high requirements on the material proportion precision, the stability and the consistency of product quality can be ensured, the defective rate is reduced, and the production benefit is improved.

The invention provides a preparation method of a sodium hyaluronate composite solution for injection, and the sodium hyaluronate composite solution for injection is prepared from the following raw materials in parts by weight: 10 to 20 parts of sodium hyaluronate, 3 to 5 parts of polylactic acid microspheres, 0.2 to 2.0 parts of amino acid, 0.3 to 1.5 parts of sodium chloride, 0.01 to 0.06 part of sodium dihydrogen phosphate, 0.01 to 0.25 part of disodium hydrogen phosphate and 80 to 90 parts of water for injection. According to the preparation method, stirring and vacuumizing are conducted twice, bubbles are eliminated, a condensation baffle is additionally arranged at the top of a filling tank, transverse and longitudinal stirring is conducted, materials are conveyed through a polymer pipeline for filling, bubbles generated in filling are avoided, PLGA, PLGA-PEG and PLLG-PEG polylactic acid microspheres with the molecular weight being 1-30 thousand are increased, and the use effectiveness and durability of the product are improved. The operation method that sodium hyaluronate and microspheres are soaked, then a sodium hydroxide solution is added, stirring is conducted, and 1, 4-butanediol diglycidyl ether is added is adopted, so that the problem of storage layering of the polylactic acid microspheres is solved. The sodium hyaluronate composite solution prepared by the method disclosed by the invention is free of bubbles, and the product is safe to use.

The invention relates to a preparation method of multi-layer framework high-entropy ceramic nano aerogel, and belongs to the technical field of aerogel materials. The method comprises the following steps: adding metal oxide nanoparticles and inorganic acid into deionized water, and uniformly stirring and mixing at room temperature to obtain an acidic dispersion liquid; the method comprises the following steps: carrying out high-temperature and high-pressure hydrothermal reaction on an acidic dispersion liquid to prepare nanocrystal wet gel, pressing the nanocrystal wet gel into a wet gel thin layer with a certain thickness, flatly laying a fiber-reinforced grid fabric on the wet gel thin layer, repeating the step for several times to obtain multi-layer composite wet gel, and carrying out pressure maintaining on the multi-layer composite wet gel to obtain water-based multi-layer framework wet gel; and placing the water-based multi-layer framework wet gel in a low-surface-tension mixed solvent for solvent exchange to obtain low-surface-energy solvent-based multi-layer framework wet gel, and performing drying, high-temperature heat treatment and quenching on the low-surface-energy solvent-based multi-layer framework wet gel. The nano-skeleton of the high-entropy ceramic nanocrystal aerogel is thick and strong, and the problems of collapse, volume shrinkage and heat insulation failure of the nano-skeleton of the aerogel can be effectively avoided.

The utility model belongs to the technical field of coating production, and particularly relates to a dispersion machine for epoxy resin paint production, which comprises a base and a mounting frame, a hydraulic cylinder is mounted on the base, a cross beam is arranged at the output end of the hydraulic cylinder, one end of the cross beam is rotatably connected with a stirring shaft, and a dispersion disc is arranged at the bottom of the stirring shaft; the mounting frame is arranged at the end, located at the stirring shaft, of the cross beam, a flow field mechanism is arranged on the mounting frame, the flow field mechanism comprises two arc-shaped adjusting blocks which are oppositely arranged, the adjusting blocks are in sliding connection with the mounting frame, the stirring shaft is located between the two adjusting blocks, and the two adjusting blocks are close to each other and away from each other through an adjusting part. At least two baffles are rotationally connected to the lower portion of each adjusting block, and the baffles are locked through locking pieces.

The invention discloses an automatic smearing device and an automatic smearing method for an underground gas storage sealant, belongs to the technical field of underground gas storage, and can solve the problems of poor quality, low efficiency and high cost of manual blade coating. The device comprises a moving mechanism which is internally provided with a cavity for accommodating sealant and can move along the center line of the gas storage; one end of the rotary conveying mechanism is communicated with the cavity; the glue discharging mechanism communicates with the end, away from the cavity, of the rotary conveying mechanism and is used for driving the glue discharging mechanism to rotate and conveying the sealant to the glue discharging mechanism; the glue discharging mechanism is used for smearing the inner wall of the lining with the sealant; the glue discharging mechanism comprises a first-order glue discharging head and a second-order glue discharging head, the first-order glue discharging head and the second-order glue discharging head are constructed at intervals in a warehouse jumping mode, convex slopes are formed on the two sides of a first-order glue layer smeared by the first-order glue discharging head, concave slopes are formed on the two sides of a second-order glue layer smeared by the second-order glue discharging head, and the convex slopes and the concave slopes adjacent to each other form slope pressing seams. The device is used for automatically smearing the sealant in the gas storage.

This utility model relates to the field of paint production, specifically to a paint supply system conveying device, including a transmission frame, a friction rod externally mounted on the transmission frame, rollers internally mounted on the transmission frame, a movable plate on top of the rollers, a paint tank on top of the movable plate, and a movable cover plate on top of the paint tank. A large gear is internally mounted on the movable cover plate, a rotating disk is topped on the large gear, the rotating disk contacts the friction rod, and a small gear is internally mounted on the movable cover plate. This utility model, by setting up a transmission frame and utilizing the cooperation of a gearbox and transmission box, achieves precise control of the roller rotation, thereby ensuring the smooth movement of the movable plate and effectively guaranteeing the stability of the paint tank during conveying. This design, through the cooperation of the movable plate, the movable groove, and the contact block, enhances the stable control of the paint tank's position.

The present invention provides a rice koji mixing and stirring device for rice vinegar processing and production, and relates to the technical field of rice vinegar processing. The rice koji mixing and stirring device for rice vinegar processing and production comprises a stirring box, a driving motor is fixedly connected to the middle position of the bottom of the stirring box, and a rotating shaft is fixedly connected to the output shaft of the driving motor; a protective shell is fixedly connected to the top of the stirring box, a rotating chamber is arranged inside the protective shell, an upper slide groove is arranged on the top of the rotating chamber, and a lower slide groove is arranged on the bottom of the rotating chamber. By arranging a driving disk, a rotating chamber, an upper slide groove, a lower slide groove, a plurality of storage barrels, a rotating groove and a feeding hole, when the driving motor controls the rotating shaft to drive the stirring rod to rotate, it will also drive a plurality of storage barrels to rotate, so that the raw materials inside the plurality of storage barrels are discharged at the same time, and a plurality of raw materials are cross-covered, which effectively solves the stratification problem, greatly shortens the mixing and stirring time, and is conducive to improving the mixing and stirring efficiency.

The utility model relates to the technical field of non-woven fabrics, in particular to a water-absorbing non-woven fabric composite wiping towel. Comprising a water-absorbing layer, and disinfection layers are arranged on the upper and lower surfaces of the water-absorbing layer; a first wet-process non-woven fabric layer is arranged on the upper surface of the disinfection layer above the water absorption layer, and a second wet-process non-woven fabric layer is arranged on the lower surface of the disinfection layer below the water absorption layer; non-woven fabric sealing edges are arranged on the periphery of the water absorption layer and seal the periphery of the first wet-process non-woven fabric layer, the periphery of the second wet-process non-woven fabric layer, the periphery of the disinfection layer and the periphery of the water absorption layer; fixing lines are arranged on the first wet-process non-woven fabric layer and penetrate through the first wet-process non-woven fabric layer, the second wet-process non-woven fabric layer, the disinfection layer and the water absorption layer at the same time to fix the first wet-process non-woven fabric layer, the second wet-process non The problems that in the prior art, a water-absorbing non-woven fabric composite wiping towel cannot wipe different materials, local gully parts cannot be wiped, and layering is caused in the using process are effectively solved.

This invention provides a stuffed cheese and its preparation method, relating to the field of dairy product technology. The stuffed cheese of this invention includes an outer crust and a filling within the crust. The filling comprises a continuous phase and porous cheese particles suspended in the continuous phase; the density of the porous cheese particles is 0.95-0.98 g / cm³. 3 The pore size is 10~30μm; the continuous phase is a thixotropic gel-like continuous phase, using light cream as a medium, and containing hydrophilic colloids and whey protein, with a viscosity of 3000~4000cP at 4℃ and 20rpm. This invention's filling cheese fundamentally solves the problems of filling layering and texture collapse, maintains the moisture and chewiness of the particles, significantly improves the sensory quality of the product, and enhances the uniformity of the filling cheese's appearance and its stability during its shelf life.

The utility model provides a kind of printing composite coating equipment.A kind of printing composite coating equipment includes: rack, coating component, power take-off component, substrate and printing component, the coating component is set to rack top, for storing coating and carrying out coating, the power take-off component is set to roll group, the substrate is located inside rack, the printing component is installed between rack, for printing after the substrate of coating, further include: moving block, stirring column, guide rod, screw rod, straight toothed rod and gear, the moving block is threadedly connected on screw rod, the screw rod one end is fixedly connected with power take-off component.The utility model provides a kind of printing composite coating equipment, so that the coating of any position in storehouse can be mixed and stirred, effectively solve the stratification problem that long strip storehouse content is likely to appear, and single driving source is used to control the rotation and horizontal movement of stirring column simultaneously, directly reduce equipment manufacturing cost.

The invention discloses an optical glass cleaning agent and a preparation method thereof, and belongs to the technical field of optical glass cleaning. The cleaning agent is especially suitable for cleaning greasy dirt, dust and organic residues on the surface of a high-precision optical element (such as a lens, a prism and an optical filter), corrosion to a glass substrate in the cleaning process can be avoided, and residues are reduced. The glass cleaning agent is prepared from the following components in parts by mass: 70 parts of deionized water, 5 parts of modified silicon dioxide, 3 parts of maleic anhydride grafted modified polyvinyl alcohol, 4 parts of maleic anhydride grafted modified polyoxyethylene sorbitan monooleate, 2 parts of citric acid, 1 part of sodium dodecyl benzene sulfonate and 3 parts of ethylene glycol butyl ether.

The utility model relates to the technical field of drain pipes, in particular to a double-layer steel hollow hole net steel belt winding drain pipe, which comprises an outer layer, an inner layer and an inner layer, the inner layer is of a spiral winding structure with a rectangular section, wraps the inner side of the outer layer and comprises a rectangular main body, and a cavity is formed in the middle; the upper extending part and the lower extending part extend outwards from the upper end face and the lower end face of the rectangular body respectively, and a limiting protrusion is arranged below the upper extending part; the steel belt framework is arranged between the outer layer and the inner layer; and the punching steel belt is embedded in the lower end of the inner layer. The clamping groove structure of the steel belt framework is used in cooperation with the limiting protrusions of the inner layer, so that when external loads are borne, the steel belt framework automatically moves upwards, the steel belt framework and the limiting protrusions form a self-locking structure, relative displacement of the steel belt framework and the pipe body is effectively prevented, and the service life of the pipe body is prolonged. The problem of layering caused by infirm combination of the steel belt and the pipe body in the prior art is solved, and the overall bearing capacity and deformation resistance of the drainage pipe are improved.

The invention provides a resonator and a preparation method thereof, a filter and electronic equipment, and relates to the technical field of semiconductors. The bottom electrode layer located between the two adjacent cavities is provided with a groove penetrating through the bottom electrode layer, and the groove is exposed out of the surface of the piezoelectric layer. And the cut-off boundary layer between two adjacent cavities can be in contact with the bottom electrode layer and can also be in contact with the piezoelectric layer through the grooves. The material of the piezoelectric layer and the material of the cut-off boundary layer are both non-metallic materials, so that the adhesive force between the cut-off boundary layer and the piezoelectric layer is obviously greater than the adhesive force between the cut-off boundary layer and the bottom electrode layer. The cut-off boundary layer is in contact with the piezoelectric layer based on the groove in the bottom electrode layer, namely, the cut-off boundary layer and the bottom electrode layer are tightly pressed together by the contact part of the cut-off boundary layer and the piezoelectric layer, so that the problem that the bottom electrode layer and the cut-off boundary layer are layered after the cavity release process is solved; and the structural stability and the performance of the resonator are improved.

The present invention relates to a polyvinylidene fluoride hollow fiber membrane with an easy-to-clean pore structure, which includes an outer membrane structure and an inner membrane structure, both of which are prepared by a thermo-induced phase spinning process, and are synchronously extruded by two twin-screw extruders and respectively formed by two layers of dies, wherein the pore structures of the outer membrane structure and the inner membrane structure have different pore diameters, and the pore diameter of the pore structure of the inner membrane structure is larger than that of the pore structure of the outer membrane structure. The present invention also provides a method for preparing a polyvinylidene fluoride hollow fiber membrane with an easy-to-clean pore structure. The present invention uses the same thermo-induced phase membrane making process to ensure the effective combination of the inner membrane raw material and the outer membrane raw material from the source, avoid the membrane stratification problem, and the pore diameter is adjustable; and the present invention changes the structural morphology of the hollow fiber membrane with a single pore structure in the past, and effectively avoids the problem of the membrane product being difficult to clean after being blocked during operation by forming two layers of pore structures with uniform size and filter pore diameters that increase from small to large from the outside to the inside.

This invention provides a high-efficiency mixing device for collagen dressings. The device includes a mixing tank equipped with a material-turning and stirring mechanism and a cleaning mechanism. The material-turning and stirring mechanism comprises an inner cylinder, a stirring shaft, a reducer, a drive motor, spiral blades, a mounting ring, and four stirring components. The inner cylinder is disposed inside the mixing tank. The stirring shaft is rotatably mounted inside the mixing tank. The reducer is fixedly mounted on the top of the mixing tank, with the top end of the stirring shaft connected to the reducer. The drive motor is fixedly mounted on the top of the reducer, and its output shaft is connected to the reducer. This invention provides a high-efficiency mixing device for collagen dressings. The spiral blades rotate, pushing the material spirally upward within the inner cylinder. Combined with the inclined stirring blades, this achieves multi-directional shear mixing and thorough cleaning of the entire tank without dead angles.

The utility model discloses a lead frame structure capable of increasing combinability, and relates to the field of semiconductor packaging, a plurality of groups of mutually connected lead frame units are arranged in a frame border, each lead frame unit comprises a plurality of basic units which have the same structure and are arranged in an array mode, and the lead frame units in adjacent columns are connected through longitudinal connecting ribs. The basic units in the adjacent rows are connected through transverse connecting ribs; and extrusion steps are arranged on the basic units. A plurality of groups of lead frame structures are cascaded, an extrusion step is designed on a basic unit in each lead frame structure, and due to the existence of the extrusion depth of the step, the binding force between the whole lead frame structure and a plastic package material can be remarkably improved. Besides, elliptical through holes are formed in the cascaded longitudinal connecting ribs, and dovetail grooves and other structures are arranged on the base islands, so that the binding force of the plastic package material can be further improved, and the problem of layering between the frame and the plastic package material is solved.

The application provides a packaging substrate and a packaging structure. The packaging substrate of the embodiment of the application comprises a solder resist layer, a copper layer and a substrate which are sequentially stacked, the solder resist layer comprises a first solder resist part on the copper layer and a second solder resist part on the substrate; the packaging structure further has a first channel and a second channel, the first channel penetrates the copper layer along the thickness direction of the substrate, and part of the first solder resist part is filled into the first channel; the second channel penetrates the second solder resist part along the thickness direction of the substrate. Therefore, the packaging substrate of the embodiment of the application has the characteristic that the solder resist layer, the copper layer and the substrate and the plastic package in the subsequent plastic package process are not prone to delamination.

The invention discloses a photochromic agent, a photochromic anti-counterfeiting silicone adhesive as well as a preparation method and application of the photochromic anti-counterfeiting silicone adhesive, and belongs to the technical field of high polymer materials. The molecular structure of the photochromic agent contains (CH2) n-SiR ''3, the photochromic agent has good compatibility and stability in a silicone adhesive, layering and influence on discoloration caused by poor compatibility of the photochromic agent and a system are solved, meanwhile, negative influence on the transparency and mechanical property of the sealant is avoided, and the photochromic agent has good application prospects. The photochromic agent is high in color changing speed, the color changes within 3 seconds after ultraviolet treatment, and the color becomes darker and darker along with the prolonging of irradiation time and is finally stable; according to the photochromic agent, after ultraviolet irradiation is finished, the color can disappear slowly, color disappearance can be accelerated when a fluorescent lamp is used for coloring, and the photochromic agent has excellent reversibility (that is, the color is changed when ultraviolet irradiation is carried out, an ultraviolet light source is moved away or white light irradiation is carried out, and the color is gradually recovered to a colorless and transparent state).

The invention discloses an in-line ignition control circuit box sealing structure. The circuit box sealing structure comprises a box body (10), a box cover (20), a sunk screw (30), a sealing cover (40) and high-temperature-resistant epoxy glue. A plurality of mounting threaded holes (11) are formed in the box body (10) at certain intervals in the circumferential direction, and a circle of sealing boss structure (12) is arranged on the end face where the mounting threaded holes (11) are located; the box cover (20) is provided with a mounting through hole (21) and a sealing groove structure (22) which correspond to the box body (10); and the sealing cover (40) covers the butt joint parts of the countersunk head screw (30), the box cover (20) and the box body (10). According to the circuit box sealing structure, reliable sealing of the circuit box is achieved, the layering problem of the insulating glue layer is avoided, it is ensured that the circuit box normally works under the high-altitude low-air-pressure condition, the structural strength of the circuit box is improved, and the circuit box sealing structure is easy to assemble, low in cost and convenient to inspect.

This utility model relates to an extrusion molding device for moisture-proof and antibacterial PVC decorative panels, aiming to solve the technical problem that current extruders struggle to achieve uniform dispersion of nano-level moisture-proof and antibacterial materials in a PVC matrix, affecting material performance and failing to meet the processing requirements of special functional materials. The device includes: an extrusion mechanism with a hot melt box installed at one end and a molding mechanism connected to the other end via an extrusion pipe; and a dispersion mechanism located at the top of the hot melt box for uniform mixing of the moisture-proof and antibacterial materials with the PVC matrix. This utility model simultaneously injects the PVC matrix and moisture-proof and antibacterial nanomaterials into the mixing box through different flow channels, avoiding the material stratification problem caused by traditional single-inlet systems. It ensures initial mixing uniformity from the feeding source and uses a drive motor to drive a high-speed rotating drive disc to disperse and mix the simultaneously added materials, forming a nano-level monodisperse state in the PVC melt, thus improving the quality of the extrusion molding of moisture-proof and antibacterial PVC decorative panels.

This invention relates to the field of electrical insulation materials and special polymer coatings, specifically to a rare earth-modified wear-resistant enameled wire insulation coating and its preparation method; it comprises an insulating resin base, a rare earth-organic hybrid modifier, and an organic solvent; the coating uses a complex sol formed by the coordination of polysiloxane containing multidentate chelate ligands and reactive end groups with rare earth ions as the modifier; its core is to utilize the multidentate chelate ligands to covalently connect the polysiloxane skeleton and to firmly bind rare earth ions through coordination bonds, thereby constructing a stable and uniform molecular-level dispersed network structure; this invention abandons the traditional inorganic particle physical blending method, effectively suppressing the kinetic mismatch and gravity sedimentation defects caused by high-density rare earth phases, so that the liquid coating maintains excellent compatibility and uniformity during long-term storage.

The invention provides AGR pipe extrusion production equipment, and mainly relates to the technical field of pipe production. The AGR pipe extrusion production equipment comprises a raw material mixing device and an extrusion molding device, the raw material mixing device is arranged on the extrusion molding device, the raw material mixing device comprises a mixing tank, a stirring device is arranged in the mixing tank, and a discharge port is formed in the bottom of the mixing tank; the extrusion molding device comprises a supporting table, an extrusion driving device is fixedly installed on the supporting table, an extrusion barrel is fixedly installed on the supporting table, double screws are rotationally installed in the extrusion barrel, the extrusion driving device drives the double screws to rotate, and the discharging opening is connected with the upper portion of the extrusion barrel. And the end part of the extrusion cylinder is connected with an extrusion driving device. The AGR pipe extrusion production equipment can solve the problem of unstable product quality caused by the conditions of non-uniform raw material mixing, insufficient extrusion plasticization and the like of the existing AGR pipe extrusion production equipment.

The utility model discloses a water paint concentration adjusting device which comprises a box body, a cover plate is arranged at the top of the box body, a motor is fixedly connected to the center of the top of the cover plate, a rotating rod is fixedly connected to one end of the motor, and a rotating sleeve is rotationally connected to one end of the rotating rod. Connecting blocks are symmetrically and fixedly connected to the inner wall of the rotating sleeve, supporting rods are fixedly connected to the bottoms of the connecting blocks, balls are slidably connected to one ends of the supporting rods in a penetrating mode, protruding blocks are slidably connected to the side walls of the balls in an attached mode, and rotating rods are fixedly connected to one sides of the protruding blocks. And one end of the rotating rod is sleeved at one end of the rotating rod in a penetrating manner. Through the arrangement of the convex blocks, the mixing quality of water-based paint can be guaranteed, the repeated processing steps are reduced, the production and processing efficiency is improved, the production and processing cost is reduced, and different from common friction cleaning, the residual of the water-based paint on the inner wall of the box body can be reduced.