114 results about "Particle coating" patented technology

An in-line coating machine adapted to coat food products with a particulate coating material has a food products conveyor assembly, a coating device arranged between the inlet and the outlet of the machine, and an excess coating material separation station configured to cause excess coating material to be separated from coated food products in order to recover excess coating material for re-use. An excess coating material recovery conveyor has a bed support and a recovery conveyor run above the bed support. A particulate coating material elevator device receives a portion of the excess coating material from the recovery conveyor and supplies the excess coating material to the coating device for re-use. An elevator device fill assembly along the recovery conveyor is configured to fill the elevator device with recovered excess coating material. Herein a coating material supply unit comprises slide plates which are mounted at an inclination.

The invention provides an in-situ tissue engineering valve stent material as well as a preparation method and application thereof, and belongs to the technical field of medical materials. According to the invention, the surface of the acellular matrix is loaded with the super-particle coating formed by self-assembly of the polyphenol-mediated polypeptide aggregate and the Prussian blue nano-enzyme, so that the stent material is endowed with double ROS regulation and endothelial cell adhesion promoting functions, excessive deposition of collagenous fibers can be prevented, and fibrosis of valve tissues is avoided; the synergistic effect of the components of the super-particle coating promotes the endothelialization process of the stent and the remodeling of a functional extracellular matrix, so that the accelerated formation of the functional endodermis is finally realized, and a powerful guarantee is provided for the success of clinical transformation of an in-situ heart valve tissue engineering technology.

The invention belongs to the technical field of coating granulation, and particularly relates to a vertical efficient coating granulation reaction kettle. Comprising a support, the support is fixedly connected with a reaction kettle, a stirring module is arranged in the reaction kettle, a material mixing barrel is fixedly connected in the reaction kettle, a discharging shell is arranged in the material mixing barrel, the material mixing barrel is rotationally connected with a material dispersing barrel, through holes are evenly distributed in the material dispersing barrel, and the discharging shell is arranged in the discharging shell. The top of the bulk material barrel is rotatably connected with a butt joint sleeve, the reaction kettle is fixedly connected with a first feeding pipe and a second feeding pipe, and the reaction kettle is fixedly connected and communicated with an air outlet pipe. Powder is diffused by means of gas, the diffused powder adheres to particles in a falling state, a layer of powder adheres to the outer portions of the particles in advance, the particles are isolated from one another in advance, the probability that the particles adhere to one another and agglomerate in the subsequent stirring process is reduced, and the uniformity degree of particle coating is improved.

This invention relates to the field of battery technology, and more particularly to a method for improving the air stability of sulfide solid electrolytes. The method includes the following steps: mixing the sulfide solid electrolyte with a solvent to form a slurry one; mixing a thiol with a solvent to form a slurry two; simultaneously spraying slurry one and slurry two into the center of a mixing device equipped with a drying device, and drying them under the drying device, thereby improving the air stability of the sulfide solid electrolyte. This invention, by spraying the sulfide solid electrolyte and thiol, causes them to collide under a certain airflow, thereby allowing the thiol's mercapto groups to coordinate with metal cations or exposed sulfur vacancies on the surface of the sulfide solid electrolyte, forming stable thiols or complexes, thus achieving the effect of particle coating or partial coating of the sulfide solid electrolyte.

The invention discloses a preparation method and application of an anti-fouling coating system capable of preventing biological adhesion, the anti-fouling coating system capable of preventing biological adhesion comprises a primer and a topcoat, and the primer comprises a first component and a second component. According to the preparation method and application of the anti-fouling coating system capable of preventing biological adhesion, the anti-traditional thinking is used for developing an anti-fouling coating, the surface coating is used for developing a nano composite particle coating, a high-surface-energy nano material is firstly used as a basis, a dark catalytic electrolysis technology is matched for preparation, the characteristic of high surface energy of the nano material is adopted, and the anti-fouling coating system capable of preventing biological adhesion is prepared. Energy is absorbed, stored, converted and released through the composite nano-material, the nano-material breaks walls of marine microorganisms and a generated electric field effectively prevents generation of a biological membrane, then growth of marine bacteria, shells and benthic diatom is effectively inhibited, meanwhile, two-dimensional nano-graphene is adopted to replace traditional graphene oxide for modification, the overall engineering is simple, and the cost is low. More atoms are distributed on the surface, and the coating surface has higher energy.

The solvated metal particle-coating system includes a metal additive and a polar outer-sphere electron transferring solvent. The metal additive is solvated in the polar outer-sphere electron transferring solvent. The polar outer-sphere electron transferring solvent may include liquid ammonia, methylamine, and / or hexamethylphosphoramide. The metal additive may include an alkali metal and / or an alkaline earth metal. The solvated metal additive within the polar outer-sphere electron transferring solvent may be used to coat a metal particle and / or a metalloid particle as a layer. As the polar outer-sphere electron transferring solvent evaporates, the solvated metal additive is coupled to the metal particle and / or the metalloid particle.

The application discloses a double-cone rotary fluidized bed ALD fluidized reactor and a powder particle coating method thereof. The reactor comprises a fluidized chamber, a deposition tank, a rotating mechanism, gas guide pipes and a vacuum pump. The upper and lower ends of the fluidized chamber are closed. The outer side of the fluidized chamber is symmetrically connected with two gas guide pipes. One of the two gas guide pipes is connected with a fluidizing gas supply system and is used for conveying fluidizing gas containing precursor reaction gas into the fluidized chamber. The other gas guide pipe is sequentially connected with a tail gas detection system and the vacuum pump. The two gas guide pipes are controlled by the rotating mechanism and are used for periodically overturning the reactor according to a overturning period. After each overturning of the reactor, the powder with a large particle diameter is more quickly settled into the deposition tank than the powder with a small particle diameter. The powder particles settled into the deposition tank stop or sharply reduce the opportunity of atomic layer deposition reaction, and the powder particles not settled into the deposition tank are suspended in the fluidizing gas and continue to react with the precursor reaction gas to form a single-layer coating.

This invention discloses a waste conveying device for optical lens processing, relating to the field of cargo conveying technology. It includes a support frame, on which a driven roller and a driving roller are mounted. Side plates are fixedly mounted on both sides of the support frame, and a first baffle and a second baffle are fitted between the two side plates. A dust removal component is also fitted between the two side plates. The dust removal component includes two rotating seats, which are respectively embedded in the two side plates. A hollow rotating roller is rotatably mounted inside each rotating seat. A conveyor belt is sleeved on the driven roller, driving roller, and hollow rotating roller. The conveyor belt has a three-layer structure: an inner belt, a middle belt, and an outer belt. The outer belt is made of high-density polyurethane and has a nano-silicon carbide particle coating on its surface. The conveyor belt of this invention adopts a composite layered structure design, significantly improving overall performance and service life, ensuring stable operation of the conveying system, and extending the maintenance cycle of key components.

The invention relates to the technical field of aqueous zinc ion batteries, in particular to an aqueous zinc ion battery zinc negative electrode and a preparation method and application thereof, and the preparation method comprises the following steps: preparing coating slurry comprising InMOF nanoparticles, a solvent and an adhesive; heating the zinc negative pole piece to 140-160 DEG C; spraying the coating slurry to the surface of a zinc negative electrode plate, then drying, and pyrolyzing the coating slurry to obtain the zinc negative electrode with the MOF coating; the InMOF nano-particle coating is introduced into the zinc negative electrode, and a three-dimensional porous network structure formed by InMOF nano-particles can be used as a rigid zinc ion transmission channel, so that dendritic crystal growth is inhibited, the service life of the battery is prolonged, and the electrochemical performance is improved.

The invention relates to the field of corrosion-resistant fasteners, in particular to a corrosion-resistant fastener and a preparation method thereof. The anti-corrosion fastener comprises a fastener body and an anti-corrosion layer, wherein the surface of the fastener body is sequentially coated with the anti-corrosion layer from inside to outside, and the anti-corrosion layer is a zinc-nickel alloy doped nanometer silicon carbide particle coating layer. The anti-corrosion layer is formed by doping zinc-nickel alloy with nano silicon carbide particles. As the zinc-nickel alloy is used as an electrochemical active material, through a cathode protection mechanism of a sacrificial anode, an oxidation reaction is carried out prior to a matrix metal, so that matrix corrosion is inhibited. Nano silicon carbide particles are introduced, the grain boundary defect of an alloy layer is filled through the physical dispersion strengthening effect, the porosity of the coating is reduced, and a compact physical barrier is formed to block corrosion medium permeation. Active protection of cathode protection and passive protection of physical barrier are combined to a single anticorrosive coating, and the function limitation of a traditional single coating is broken through.

The invention relates to a preparation method of a bamboo secondary particle coating and hard carbon sealing pore structure. According to the method, bamboo powder is used as a raw material, and the functional carbon material with a closed pore structure and a surface coating layer is prepared through the steps of staged carbonization, mechanical grinding, composite coating, aftertreatment and the like. Firstly, bamboo powder is subjected to low-temperature carbonization and high-temperature carbonization treatment, the heating and cooling rate is controlled under the nitrogen atmosphere, and carbonized bamboo powder is obtained; then mixing and grinding the mixture with a solid electrolyte and PVDF, and performing low-temperature carbonization again to form secondary particles; then, gelatin and calcium gluconate monohydrate are used as coating agents and stirred together in a sodium dodecyl benzene sulfonate solution, and surface coating is achieved; finally, freeze-drying, carbonizing at low temperature, pickling with hydrochloric acid, washing with water to be neutral, and drying to obtain a final product. The method is controllable in process and good in repeatability, and has good mechanical strength, chemical stability and function adjustability.

The solvated metal particle-coating system includes a metal additive and a polar outer-sphere electron transferring solvent. The metal additive is solvated in the polar outer-sphere electron transferring solvent. The polar outer-sphere electron transferring solvent may include liquid ammonia, methylamine, and / or hexamethylphosphoramide. The metal additive may include an alkali metal and / or an alkaline earth metal. The solvated metal additive within the polar outer-sphere electron transferring solvent may be used to coat a metal particle and / or a metalloid particle as a layer. As the polar outer-sphere electron transferring solvent evaporates, the solvated metal additive is coupled to the metal particle and / or the metalloid particle.

The invention provides a dialysis catheter based on a swirl flow technology, and relates to the field of dialysis catheters.The dialysis catheter comprises a connecting mechanism, the connecting mechanism comprises a connecting block, a vein connecting pipe and an artery connecting pipe, and a catheter mechanism is arranged at the bottom of the connecting mechanism; the catheter mechanism comprises a venous catheter, a venous side hole, an arterial catheter, an arterial side hole and a spiral flow induction unit, the inner wall and the outer wall of the catheter mechanism are each provided with a nano-coating mechanism, and each nano-coating mechanism comprises a copper nano-particle coating and a black phosphorus nano-coating. By arranging the spiral flow inducer, blood pressure is rotated, the wall surface shear stress of the inner wall of an artery cavity is improved, the risk of thrombus generation is reduced, wall suction is effectively prevented by arranging the vein side hole and the artery side hole, and the thrombus generation risk is reduced. Through cooperation of the copper nanoparticle coating, the black phosphorus nano coating and the graphene oxide coating, the coating has multiple antibacterial mechanisms such as contact sterilization, ion interference, oxidative stress induction and the like.

The present application discloses a battery cell, a battery device, and an electrical device. The battery cell includes a positive electrode sheet, a negative electrode sheet, and a separator. The positive electrode sheet includes a positive electrode collector, the positive electrode active material layer includes a lithium-containing phosphate, the positive electrode collector includes a coating portion and a pole ear portion, and along the height direction of the battery cell, the pole ear portion extends from the coating portion, and the size of the positive electrode active material layer accounts for 83%-88% of the size of the shell; the negative electrode sheet includes a negative electrode collector and a negative electrode active material layer arranged on at least one side of the negative electrode collector, along the height direction of the battery cell, the size of the negative electrode active material layer is larger than the size of the positive electrode active material layer, the difference between the size of the negative electrode active material layer and the size of the positive electrode active material layer is OH1, and satisfies 1.5mm≤OH1≤3.3mm; the separator includes a base film and a coating provided on at least one side of the base film, the coating includes a binder and fluorine-containing organic particles, and the total thickness of the coating is 3μm-7μm.

Disclosed are a composite positive electrode active material for a lithium secondary battery including a lithium cobalt-based oxide; a method for manufacturing the same; and a lithium secondary battery including a positive electrode including the composite positive electrode active material, wherein in the composite positive electrode active material for a lithium secondary battery, a particle coating portion is arranged in the form of an island on one surface of a lithium cobalt-based oxide, the particle coating portion includes a first coating layer including a lithium titanium-based oxide, and a surface coating portion is arranged in an inner region of another surface of the lithium cobalt-based oxide.

The present invention relates to the technical field of batteries, and particularly relates to a method for improving the air stability of a sulfide solid electrolyte. The method comprises the following steps: mixing a sulfide solid electrolyte with a solvent to form a slurry I; mixing mercaptan with a solvent to form a slurry II; and simultaneously spraying the slurry I and the slurry II to the center of a material mixing device that is provided with an air drying device, and drying same under the air drying device, so as to complete the improvement of the air stability of the sulfide solid electrolyte. By spraying the sulfide solid electrolyte and the mercaptan, the two collide with each other at a certain airflow rate; therefore, sulfydryl of the mercaptan is coordinated with metal cations or exposed sulfur vacancies on the surface of the sulfide solid electrolyte to form a stable thiolate or complex, thereby achieving a particle coating or semi-coating effect on the sulfide solid electrolyte.

The utility model belongs to the technical field of battery diaphragm coatings, and particularly relates to a multifunctional lithium ion diaphragm coating. Comprising a base film and a layer of nanocellulose microcrystal coating which directly covers the base film and is tightly combined with the base film, a mixed coating formed by mixing hollow spherical binding material particles and nano ceramics is directly coated on the nano cellulose microcrystal coating; or, the surface of the nano cellulose microcrystal coating is sequentially coated with a nano ceramic layer and a hollow spherical binding material particle coating from bottom to top. According to the diaphragm coating provided by the utility model, through a special multi-layer composite structure design, the thermal stability, the mechanical strength and the electrochemical performance of the lithium ion battery are greatly improved while good physical and chemical properties are maintained, so that the diaphragm coating is suitable for wider application scenes and harsh operation conditions.

Provided is a method of additively manufacturing an object having a particle surface coating thereon, using an intermediate object produced in an additive manufacturing process by light polymerization of a dual cure resin, the intermediate object having residual dual cure resin from which it was produced remaining on a surface portion thereof in unpolymerized form; forming a solid particle coating adhered to the resin coating film; and then further curing the intermediate object.

The application belongs to the field of food heating, and discloses a method for improving the uniformity of dielectric heating based on a wave-absorbing particle coating, which can uniformly heat a predetermined food stack without directly contacting the surface of the food stack, by setting the density distribution of electromagnetic wave-absorbing particle clusters corresponding to the cold and hot zone distribution of the predetermined food stack, thereby avoiding the negative impact on the original quality of the food stack and reducing the willingness of consumers to purchase. First, the accumulation shape of the predetermined food stack is obtained through simulation, and a corresponding cold and hot zone distribution model is obtained. Then, a hollow heat-conducting element is set to be inserted into the predetermined food stack, the hollow heat-conducting element contains electromagnetic wave-absorbing particle clusters, and the distribution density of the electromagnetic wave-absorbing particle clusters in the hollow heat-conducting element is set based on the cold and hot zone distribution model of the predetermined food stack, thereby realizing the uniform heating of the predetermined food stack. The application also discloses a dielectric heating uniform heating device based on a wave-absorbing particle coating, which can better implement the above method.

Methods of making stable, dry coated fruit powders are provided. The methods include providing a fruit powder; selecting a hydrophobic stearate guest particle from the group consisting of ammonium stearate, zinc stearate, calcium stearate, sodium stearate, potassium stearate, magnesium stearate, glyceryl stearate, propylene glycol monostearate, sorbitan stearate, triglyceryl monostearate, hexaglyceryl distearate, and decaglyceryl monostearate; and dry coating the fruit powder with the hydrophobic stearate guest particles using high shear. The hydrophobic stearate guest particles are dry coated with respect to the fruit powder at levels between about 1 and 10 wt % in order to form a continuous layer.

The utility model discloses an auxiliary feeder for high-hardness powder coating, which particularly relates to the technical field of feeders and comprises a feeder shell, a plurality of supporting legs are fixedly arranged outside the feeder shell, a conveying frame is arranged at the top of the feeder shell in a penetrating manner, a material uniformizing frame is arranged at the top of the conveying frame in a penetrating manner, and a material uniformizing mechanism is arranged in the material uniformizing frame. The material uniformizing mechanism comprises a first motor fixedly installed on one side of the material uniformizing frame, a rotating shaft is fixedly arranged at the output end of the first motor, a plurality of smashing blades are fixedly arranged outside the rotating shaft, and L-shaped stirring rods are arranged on the two sides of each smashing blade. The coating pretreatment quality is improved, screened large-particle coating can be conveyed back to the material uniformizing frame through the stirring digging spoon to be retreated, recycling is achieved, waste is reduced, the overall structural design is reasonable, all components work cooperatively, and the efficiency and quality of the coating feeding process are improved.

To provide a particle coating film thickness recording unit capable of recording variance in film thickness of a coating deposited on a surface of a particle, a particle coating device, and a particle coating film thickness management method capable of controlling the variance in film thickness of the coating based upon a film thickness of the coating recorded by a particle coating film thickness measurement unit.SOLUTION: The present invention relates to a particle coating film thickness recording unit which is arranged in a film deposition chamber for depositing a coating on a particle by an atomic layer deposition method and used to record a film thickness of the coating, and the particle coating film thickness recording unit comprises: a container which has a first recessed storage part where a porous structure is stored; a deep layer film thickness recording part which is arranged more on a bottom surface side of the first storage part than the porous structure, and serves to deposit the coating with a raw material gas and an oxidizer penetrating the porous structure by the atomic layer deposition method; and a surface layer film thickness recording part which is arranged outside the first storage part, and serves to deposit the coating.SELECTED DRAWING: Figure 3

The invention discloses a particle coating elastic modulus rapid calibration method based on a fractal continuum theory, and the method comprises the steps: firstly constructing free accumulation particle coatings with different heights, and recording the height, particle size, residual dimension in the height direction and section fractal dimension perpendicular to the height direction of the particle coatings; constructing a relative coating height parameter, and establishing a correlation between the relative coating height and the remainder dimension as well as the section fractal dimension; discrete element simulation of the uniaxial compression process is carried out on each structural coating, and the compression amount and the compression force change of the coating in the compression process are recorded; constructing a relational expression of the compression amount and the compression force of the particle coating, wherein the relational expression relates to a remainder dimension, a section fractal dimension and a harmonic index to be fitted; fitting a harmonic index p based on the simulation data; based on the relational expression and the harmonic index, the coating compression amount and the compression force reconstruction value are recorded, and based on the constitutive relation of the uniaxial compression process of the continuum, inversion calibration is carried out on the coating elasticity modulus, and rapid calibration of the elasticity modulus of the whole coating growth process can be achieved.

A particle composition for back coating the surface of a quantum dot film, the particle composition comprising a thermosetting resin, organic or inorganic particles, and a curing agent. Quantum dot films with the particle coating composition can effectively improve color shift at large viewing angles and exhibit better brightness in displays.

The utility model discloses a device for coating petroleum coke particles with ceramsite powder for a carburant, and relates to the technical field of petroleum coke particle coating, the device comprises a base and a machine body, the top end of the base is fixedly connected with the machine body, the top end of the machine body is provided with a coating groove, the top end of the machine body is provided with a support, the top end of the support is provided with a driving motor, and the driving motor is connected with the coating groove. And a stirring rod is mounted at the bottom end of the driving motor. By the adoption of the structure, during discharging, the sealing plate is drawn towards the outside of the strip-shaped opening through the inserting groove and the inserting plate, the discharging opening is exposed, coated petroleum coke particles can fall into the material receiving box through the discharging opening, the filter plate can receive the coated petroleum coke particles, and therefore the coated petroleum coke particles can be conveniently discharged. And redundant ceramsite powder can be uniformly collected at the bottom end of the inner side of the material receiving box through the filter plate, so that the redundant ceramsite powder can be recycled in the later period while convenient and rapid discharging is achieved, and the coating cost of the petroleum coke particles can be effectively reduced.

The present disclosure relates to a coating method for providing an object of an electrically conductive material with a metal and / or a metal oxide coating, using a plurality of electrically conductive particles and at least one electric pulse, to electrically conductive particles for use in said coating method and a method for preparing the same, to a coated object obtainable by said coating method, and to a coated object having homogeneous morphology.

The utility model relates to humic acid particle coating technical field provides humic acid particle surface coating equipment, including support, the inside through -penetration of support has jar body, the top of jar body is fixed with apron, one side fixed with feed hopper at the top of jar body, one side of support is provided with spraying structure. The utility model discloses is provided with filtering structure, can be positioned to dehumidification net and activated carbon filter screen under the action of limiting plate and limiting groove, and the dehumidification net and activated carbon filter screen are convenient to dismantle, can remove the water vapor in waste gas under the action of dehumidification net, avoid activated carbon filter screen to be ineffective because of damp, can utilize activated carbon porous structure adsorption organic steam and peculiar smell molecule under the action of activated carbon filter screen, make the gas after purification discharge through gas outlet, has realized the function that the device is convenient to purify, thereby improved the applicability of this humic acid particle surface coating equipment when using.

The utility model discloses a high-transmittance gain type diffusion film which comprises a base material layer, a diffusion layer is arranged on the upper surface of the base material layer, the diffusion layer is of a structure which is composed of a plurality of diffusion particles with different particle sizes and has height difference, a prism layer is arranged on the lower surface of the base material layer, and the prism layer is composed of a plurality of prism structures with the same or different shapes. Wherein the base material layer is a PET or PC light-transmitting layer, and the thickness h of the base material layer is 10-100 [mu] m or 100-250 [mu] m; the coating is an AR coating; the diffusion layer is formed through diffusion particle coating or UV transfer printing or hot pressing, and the height difference L of diffusion particles is larger than or equal to 4 micrometers. The distance P between the top ends of every two adjacent prism structures is 4-200 microns, the height of each prism structure is H + delta H, and H is 2-100 microns, 0 lt; [delta] Hlt; h / 2. According to the structural design, the diffusion brightness gain of the diffusion film is larger than or equal to 4%, the gain is large, and the diffusion film has high penetrability.

The application provides a numerical simulation method for spraying and depositing cermet composite coating with Al2O3 ceramic as a reinforced phase, and belongs to the technical field of computer-aided design of coating spraying and deposition. In order to solve the problem that the existing numerical simulation method cannot effectively simulate the characteristics of Al2O3 brittle particles added in metal particles and cannot accurately characterize the performance of Al-Al2O3 mixed particle coating, the method comprises the following steps: step one, constructing a three-dimensional model of metal particles and a substrate; step two, setting model parameters and boundary conditions through a Johnson-Cook constitutive model, and carrying out mesh division on the particles and the substrate, setting the impact time and the initial speed, and solving; step three, setting the physical parameters of alumina through a Johnson Holmquist 2 constitutive model, setting the initial speed and temperature; step four, solving through a solver; and step five, guiding practical operation according to the output results. The application adopts the mode of coupling Johnson-Holmquist and Johnson-Cook to simulate the Al-Al2O3 composite spraying behavior, which is more suitable for the actual deposition situation.

The application discloses a powder coating hopper anti-blocking device and relates to the technical field of anti-blocking devices.The device comprises a screening structure, which comprises a screening assembly and a guide assembly; the guide assembly and the screening assembly are driven to displace synchronously to screen the powder coating; the guide assembly and the screening assembly are driven to displace synchronously to screen the powder coating through the synergistic effect of a reflecting plate, a blocking plate and a triangular guide plate and in combination with the collocation of a spiral structure; the effective separation of fine-particle coating and large-particle coating is realized; the reflecting plate is obliquely installed, the kinetic energy advantage of the large-particle coating is utilized, the large-particle coating is guided into a powder storage area, the passing of the fine-particle coating is effectively blocked by the blocking plate, the triangular guide plate is designed to be inclined, the large-particle coating can smoothly slide to a coarse material outlet, the accuracy and reliability of the screening result are ensured, the screening assembly is arranged below the emptying hopper, the flying of the fine-particle coating can be avoided, and the adverse phenomenon of dust diffusion is avoided.