132 results about "Graphene coating" patented technology

The invention relates to the technical field of composite metal materials, in particular to a silver-coated graphene copper composite material and a preparation method thereof, and aims at solving the problems that traditional silver-coated copper powder is high in silver consumption, copper is oxidized due to the fact that a silver layer is prone to being damaged, and conductivity is insufficient. The method comprises the steps that a graphene coating layer is formed on a copper powder substrate in situ through chemical vapor deposition, and graphene copper powder is obtained; performing etching treatment on the graphene copper powder to controllably expose part of the copper substrate so as to form anchoring points for silver ion deposition; carrying out reduction treatment on the etched graphene copper powder so as to ensure that an anchoring site has chemical activity; in a reductive liquid phase environment, enabling a chemical silver plating solution to react with the graphene copper powder subjected to reduction treatment, and guiding silver ion deposition by utilizing an anchoring point, so as to form a silver coating layer on the surface of the graphene coating layer; and separating and drying the reacted system to obtain the silver-coated graphene copper composite material. The material is better in oxidation resistance and conductivity, and the process is free of waste liquid.

The utility model discloses a diving fabric implanted with patterns. The diving fabric comprises a foamed chloroprene rubber sponge sheet, a graphene coating, a patch, a floral pattern layer and a titanium coating. The foamed chloroprene rubber sponge sheet subjected to compression treatment is used as a base material, the compressed sponge sheet is higher in apparent density, the internal hash molecular structure of the sponge sheet is tighter, the surface of the sponge sheet is smoother, printing materials such as printing ink can better permeate into the surface layer of the sponge sheet, and patterns and the sponge sheet are fused together; a layer of textile fabric does not need to be added between the floral patterns and the sponge sheet, the floral patterns can be better presented while environmental protection is achieved, and the service life of the floral patterns is prolonged. In addition, the titanium coating enables the floral patterns to be better in oxidation resistance and friction resistance, the floral patterns printed on the sponge sheet can be better protected, the corrosion resistance and abrasion resistance of the floral patterns in a seawater environment are improved, the service life of the floral patterns is prolonged, and the attractiveness of the floral patterns is improved.

The application discloses a graphene-diamond composite coating and a preparation method and application thereof, and belongs to the technical field of materials. The graphene-diamond composite coating comprises a diamond coating and a graphene coating; graphene sp2 bond structure is covalently combined with diamond sp3 bond structure; and the graphene coating has a graphene structure with non-parallel growth mainly in a vertical direction. The graphene-diamond composite coating has small lattice mismatch between the diamond and the graphene, avoids volume expansion caused in a friction heat process, and has the advantages that the diamond coating can provide a support layer for the graphene, forms super-strong C-C covalent bonds at an interface, and significantly improves the adhesion strength of the graphene; the graphene can avoid brittle fracture of the diamond, and significantly improves the lubricating performance of the surface of the diamond coating. The composite coating has better wear resistance, a low friction coefficient and excellent oxidation resistance, and can remain stable under high-temperature and high-load working conditions, so that the service life and processing efficiency of wear-resistant parts are improved.

The invention discloses an anticorrosive graphene coating and a preparation method thereof, and belongs to the technical field of coating preparation, and the coating comprises the following components in parts by weight: 80-95 parts of water-borne epoxy resin, 8.5-9.5 parts of graphene anticorrosive filler, 0.5-1 part of a flatting agent, 0.5-1 part of a defoaming agent, 7-9 parts of a curing agent and 0.2-0.3 part of a dispersing agent. The addition of the phytic acid solution and the pretreatment of the Na-montmorillonite can synergistically enhance the impact resistance and corrosion resistance of the coating prepared by the invention.

The utility model discloses a building water supply and drainage pipeline anti-blocking device which comprises a water supply and drainage pipe, internal threads are arranged on the inner wall of the water supply and drainage pipe, the inner wall of the water supply and drainage pipe is in threaded connection with a filter cartridge, and the inner wall of the filter cartridge is connected with a coarse filter screen. Through the arrangement of a coarse filter screen, a fine filter screen, a graphene coating, an internal thread and a filter cartridge, coarse and fine impurities entering the water supply and drainage pipe can be filtered through the coarse filter screen and the fine filter screen, a large number of impurities effectively enter the water supply and drainage pipe, and the water supply and drainage pipe is prevented from being blocked; through arrangement of an annular water pipe, a backwashing spray head, a high-pressure water supply pipe, a control water valve and a pressure regulating valve, the control water valve can be opened to realize water supply of the annular water pipe, and water is sprayed out through the backwashing spray head, so that backwashing of the filter cartridge can be realized, impurities adhered to the filter cartridge are effectively removed, and water impurities are effectively filtered; the blockage phenomenon in the water supply and drainage pipe is effectively avoided.

The utility model relates to lead -acid battery technical field, concretely is a kind of lead -acid battery current collector structure, including frame, recess is opened in the frame, the recess is equipped with porous carbon framework, the porous carbon framework is equipped on battery current collector main body, the battery current collector main body is attached with a layer of carbon cloth, the battery current collector main body is by surface body, aperture plate and grid three parts are composed, the grid is attached with one side graphene coating layer. The recess in the lead -acid battery current collector frame of the device is equipped with one side porous carbon framework, can increase the utilization of active material, improve the charge transfer efficiency of battery, the surface body of battery current collector main body is equipped with graphene coating layer, can significantly reduce the corrosion of surface body, improve the conductivity and current density of battery, the lead -acid battery current collector surface layer is equipped with a layer of carbon cloth, wherein carbon cloth and lead -acid battery current collector cooperate and have the charge-discharge performance and cycle life of the improvement of lead -acid battery.

The application discloses a capacitor degradation state control method, device, medium and product, and the method is: obtaining the running state data, the first response signal and the first transient voltage recovery sequence of a graphene coating capacitor, and analyzing to obtain the electrical impedance spectrum characteristics and the transient recovery characteristics; matching the analysis results in the preset degradation characteristic library to obtain a degradation matching set; if the set meets the preset degradation condition, compensating the first response signal and the first transient voltage recovery sequence by using the obtained external environment data, and determining the degradation state data based on the second response signal and the second transient voltage recovery sequence obtained after compensation; and determining the target running control parameter of the graphene coating capacitor based on the degradation state data to control its safe operation in the degradation state. The application can accurately identify the degradation defects of the graphene coating capacitor and control its degradation state accordingly, so that the risk of capacitor out-of-control caused by the degradation defects can be overcome.

A battery pack and a cover for a battery pack are provided. A battery pack according to the present invention can include a battery pack case in which an accommodation space portion is divided in which a plurality of battery modules are accommodated, the battery pack case having an open side, and a cover installed to cover the side of the battery pack case and having a graphene coating formed thereon.

The utility model discloses an efficient and even heating oven, which relates to the technical field of ovens, and comprises an oven body, an electric heating plate used for contact type heating is mounted at the inner bottom of the oven body, an upper heating assembly used for radiation and heat convection heating is mounted at the inner top of the oven body, an oven tray is placed in the oven body, and a lower heating assembly used for radiation and heat convection heating is mounted at the inner top of the oven body. An opening of the baking tray faces upwards, the bottom of the baking tray makes contact with the electric heating tray, the upper heating assembly comprises an assembling frame, a plurality of strip-shaped open holes are formed in the lower surface of the assembling frame, an electric heating radiation pipe is installed in the assembling frame, a cover plate is installed above the assembling frame, and a second temperature sensor is installed on the outer wall of the cover plate. The problems that when an existing oven is used, although the temperature rising efficiency is improved through a graphene coating, heat needs to be blown to food through a fan after temperature rising, in the process, heating is conducted completely depending on gas convection generated by the fan, and the efficiency is low are solved.

The application relates to the technical field of liquid cooling plates, and particularly discloses a graphene-coated liquid cooling plate, which comprises an upper substrate, a lower substrate and a graphene coating, the upper substrate is provided with a groove, a flow channel for circulating cooling liquid is formed between the upper substrate and the lower substrate through the groove, the flow channel is connected with an inlet and an outlet respectively, the graphene coating is arranged on one side of the lower substrate away from the upper substrate, the graphene coating is provided with concave unit microstructures arranged in an array, the upper substrate and the lower substrate are connected through rolling, and the flow channel is prepared through blow molding. The graphene-coated liquid cooling plate utilizes the excellent heat conductivity of the graphene coating to conduct heat to the cooling liquid in the flow channel of the liquid cooling plate, the concave unit microstructures on the surface of the graphene coating can increase the heat exchange area to sufficiently dissipate and transfer heat, the heat exchange efficiency is improved, and the heat dissipation effect of the liquid cooling plate is improved. The rolling connection-blow molding is adopted to improve the sealing reliability and overall formability of the liquid cooling plate.

The utility model belongs to the technical field of automobile brake systems, and particularly relates to a light-weight automobile brake disc. The outer side of the disc body is provided with an arc-shaped groove and embedded radiating fins, and the groove is filled with a heat-conducting silica gel layer; a mounting hole is formed in the center of the disc body, honeycomb lightening holes are formed around the disc body, and a tungsten carbide coating is sprayed on the inner wall; a first reinforcing rib and a second reinforcing rib are arranged on the two sides of the disc body and are welded and fixed through a connecting plate. The disc body is made of an aluminum alloy base material, the surface of the disc body is subjected to anodic oxidation and graphene coating treatment, and the disc body has both light weight and corrosion resistance. By optimizing the structural design, the weight is remarkably reduced while the strength is guaranteed, the heat dissipation performance is improved, and the automobile brake pad is suitable for a high-performance vehicle brake system and meets the requirements of modern automobiles for light weight and efficient heat dissipation.

The utility model relates to the technical field of cables, and discloses a graphene efficient heat dissipation cable which comprises a cable body, a conductor is arranged in the cable body, an insulating layer is arranged on the outer side of the conductor, a shielding layer is arranged on the outer side of the insulating layer, a heat dissipation layer is arranged on the outer side of the shielding layer, and an outer sheath is arranged on the outer side of the heat dissipation layer. The surface of the conductor is coated with a first graphene coating; and graphene microchips are uniformly dispersed in the insulating layer material. The cable has the following advantages and effects: through arrangement of the insulating layer, the heat dissipation layer and the outer sheath, heat generated in the cable can be rapidly conducted to the outer sheath through excellent heat conductivity of graphene, and then the heat is efficiently dissipated to the surrounding environment through the heat dissipation fins on the surface of the outer sheath; the purposes of effectively reducing the operating temperature of the cable, reducing insulation aging and electrical fault risks caused by overheating, greatly prolonging the service life of the cable and greatly improving the operating stability of the cable can be achieved.

The utility model relates to a waterproof and breathable masking paper composite adhesive tape which comprises a reel and an adhesive tape body, the adhesive tape body is of a four-layer structural design and comprises an anti-sticking layer, a base material layer, a waterproof and breathable layer and an adhesive layer which are sequentially connected from the outer layer to the inner layer, the manufacturing process of the adhesive tape is simplified, and the production efficiency is improved; the anti-sticking layer comprises polytetrafluoroethylene and a titanium dioxide / graphene coating and is used for improving the anti-sticking effect and the ultraviolet-proof performance of the adhesive tape; the waterproof breathable layer comprises expanded polytetrafluoroethylene and nanofibers and is used for improving the waterproof and breathable performance of the adhesive tape and ensuring that the stable effect can be kept in various environments; the adhesive layer comprises polyurethane, a water-based acrylic pressure-sensitive adhesive and an organic silicon modifier, and nano silicon dioxide is uniformly distributed in the water-based acrylic pressure-sensitive adhesive; the adhesive force of the adhesive tape can be improved, cohesive strength is enhanced, weather resistance is improved, aging is delayed, degumming and wiredrawing phenomena are reduced, adhesive residues are reduced, and use experience is improved.

Disclosed are a high-performance natural graphite negative electrode material, a preparation method therefor, and a use thereof. In the negative electrode material of the present invention, a uniform and thin amorphous carbon layer coated on surfaces of each curled flake graphite layer inside the natural graphite in a core can prevent organic molecules in an electrolyte from penetrating into spherical graphite during charging and discharging to generate a new SEI film, thereby preventing delamination of the curled graphite layers inside the spherical graphite; sulfonated graphene in the inner shell has good flexibility, which can alleviate the volume expansion of natural graphite during charging and discharging, improving the cycling performance of natural graphite up to 1500 cycles. An outermost amorphous carbon layer can reduce the specific surface area of the inner sulfonated graphene, preventing reduction of first-cycle efficiency of a lithium-ion battery caused by the graphene coating. In the natural graphite negative electrode material of the present invention, the amorphous carbon layer is uniform and thin, and does not reduce the tapped density and gravimetric capacity of the anode material.

The application provides a preparation method of graphene oxide modified thermoplastic resin master batch, comprising the following steps: preparing a graphene oxide solution; coating the graphene oxide solution on a thermoplastic resin sheet to form a graphene oxide coating layer, and drying to obtain a graphene oxide / thermoplastic resin sheet; stacking a plurality of graphene oxide / thermoplastic resin sheets, and sequentially performing hot pressing, crushing and blending extrusion to obtain the graphene oxide modified thermoplastic resin master batch. The preparation method provided by the application can make the graphene oxide fully dispersed in the thermoplastic resin by coating the graphene oxide solution on the surface of the thermoplastic resin sheet and combining with the hot pressing, crushing and blending extrusion treatment, effectively improves the compatibility of the graphene oxide and the thermoplastic resin, and has the characteristics of simple operation process, low manufacturing cost, short processing period, less pollution and the like, and has good practical application value.

The invention relates to the technical field of lithium batteries, in particular to a bipolar current collector, a preparation method thereof and a lithium metal battery. The bipolar current collector comprises a metal foil, an alpha zirconium phosphate doped polyaniline coating and a graphene coating; the metal foil comprises an anode metal foil layer and a cathode metal foil layer; the positive electrode metal foil layer is stainless steel foil, and the surface of the positive electrode metal foil layer is coated with the graphene coating; the negative electrode metal foil layer is a copper layer, and the surface of the negative electrode metal foil layer is coated with the alpha zirconium phosphate doped polyaniline coating; the preparation method of the bipolar current collector comprises the following steps: performing magnetron sputtering on the surface of stainless steel foil to form a copper layer; metal foil is obtained; coating the surface of the copper layer with an alpha zirconium phosphate doped polyaniline solution, drying and curing to form an alpha zirconium phosphate doped polyaniline coating; then, the surface of the stainless steel foil is coated with graphene slurry, post-treatment is conducted, and a graphene coating is formed; and obtaining the bipolar current collector. And preparing the lithium metal battery by using the bipolar current collector.

This invention relates to the field of functional coatings technology, specifically disclosing a porous graphene coating, its preparation method, and its applications. The porous graphene coating is formed by applying a functional coating to the surface of a substrate and then curing it under laser irradiation. The functional coating includes a base coating and functional materials added to the base coating, including graphene, laser absorbers, and fillers. Addressing the core problem of existing graphene-containing coatings where graphene easily aggregates and is easily encapsulated by the coating matrix, resulting in low VOCs adsorption efficiency and difficulty in forming a stable porous structure, thus limiting adsorption capacity, this invention provides a porous graphene coating. By introducing laser absorbers into the coating formulation, the laser absorption capacity of the coating is enhanced. Combined with laser irradiation to achieve surface vaporization of the coating, the graphene is exposed and forms a porous structure, thereby significantly improving the coating's VOCs adsorption performance.

The invention provides a high-adhesiveness graphene coating as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The graphene coating is prepared from 100 parts of modified resin, 5 to 10 parts of graphene microcapsules, 20 to 30 parts of a solvent, 0.5 to 1 part of an auxiliary agent, 45 to 55 parts of a curing agent and 0.5 to 1 part of an adhesion promoter; wherein the graphene microcapsule is of a three-layer structure, an inner shell layer wraps the surface of graphene, an outer shell layer wraps the surface of the inner shell layer through polymerization reaction, a cavity exists between the inner shell layer and the outer shell layer, and the cavity is filled with an interface anchoring agent; the inner shell layer is an amphiphilic hyperbranched polymer, and the outer shell layer is a polyurea polymer; and the interface anchoring agent is gamma-aminopropyl triethoxy silane. According to the preparation method, graphene coating components and graphene are modified, so that stable combination of graphene and a resin matrix is realized, and the adhesion performance of graphene is greatly ensured.

The invention relates to the field of composite materials, in particular to a copper graphene composite material and a preparation method thereof. The invention provides a preparation method of a copper-graphene composite material. The preparation method comprises the following steps that S1, a copper pipe is expanded, extruded and deformed into a taper pipe; s2, graphene slurry is applied to the inner surface and the outer surface of the taper pipe, drying is conducted, and the taper pipe with a graphene coating is obtained; s3, a plurality of taper pipes with the graphene coatings obtained in the step S2 are taken and stacked in a sleeved mode, then rotary friction is conducted, and all the taper pipes are welded; and S4, the taper pipe welded in the step S3 is extruded into a block material, then stirring and rotary extrusion are conducted, and the copper graphene composite material is obtained. The method provided by the invention can simultaneously realize the effects of high content and high dispersibility of graphene.

The invention belongs to the technical field of concrete reinforcing and repairing, and particularly relates to a concrete interface repairing material and a construction method and application thereof. The concrete interface repairing material comprises an interface processing layer, a first stress buffer layer, a graphene fiber grid layer, a second stress buffer layer and a concrete repairing layer, the component of the interface treatment layer comprises graphene; the first stress buffer layer and / or the second stress buffer layer comprises the following components: epoxy resin, a curing agent, a flexibilizer and graphene nanosheets; the graphene fiber grid layer comprises a fiber grid and a graphene coating deposited on the surface of the fiber grid. The concrete interface repairing material disclosed by the invention is beneficial to solving or improving at least one of the problems of poor interface bonding effect, stress concentration and poor long-term durability in the concrete reinforcing process in the prior art.

The utility model belongs to the heating and cooling technical field, concretely, it is a kind of high -efficient heat storage device with graphene coating, the heat storage device whole is cuboid or square structure, and the upper and lower rectangle of cuboid or square is used as frame, and multiple current collecting pipes are vertically arranged between the frame, and the heat storage unit is connected between every two opposite current collecting pipes, the heat storage unit is the fin made of metal material, and the fin is hollow to store phase change material, and the two ends of heat storage unit are connected with current collecting pipe, and the heat storage unit is hollow and connected to hollow current collecting pipe, so that a space for phase change material flow is formed, and at the same time, the input pipe and output pipe of phase change material are arranged, which is convenient for phase change material and external circulation, so as to store and release heat.

The utility model relates to the technical field of scroll compressors, in particular to a scroll compression structure for a scroll compressor and the scroll compressor, the scroll compression structure for the scroll compressor comprises a movable scroll plate, the movable scroll plate is made of aluminum alloy, and the surface of the movable scroll plate is coated with a nano graphene coating; and the static scroll plate is meshed with the movable scroll plate. According to the scroll compression structure for the scroll compressor and the scroll compressor, the problem that an existing scroll compression structure for the scroll compressor is seriously abraded can be solved.

An information handling system, including a cover including a first section and a second section; a first battery cell in superimposition with the second section of the cover; a second battery cell in superimposition with the second section of the cover, the second battery cell spaced-apart from the first battery cell to define a channel therebetween; a graphene coating in superimposition with the second section of the cover; and a first portion of a graphite sheet that is i) in superimposition with a first region of the second section of the cover, ii) in superimposition with the channel defined between the first battery and the second battery, and iii) in superimposition with a first portion of the graphene coating.

The invention relates to the technical field of batteries, in particular to a graphite negative electrode material and a preparation method thereof, a negative electrode plate and a lithium ion battery. The graphite negative electrode material comprises secondary particle artificial graphite, a graphene layer arranged on the surface of the secondary particle artificial graphite and an asphalt layer arranged on the surface of the graphene layer. Graphene and asphalt double-layer coating is carried out on the artificial graphite through a material fusion and double-layer coating technology, the modified artificial graphite material with the graphene coating layer and the asphalt coating layer on the surface is prepared, the ultrahigh specific capacity (larger than or equal to 365mAh / g) exceeding the upper limit of the current artificial graphite capacity is achieved, the first efficiency is larger than or equal to 93%, and the specific capacity is larger than or equal to 365mAh / g. Meanwhile, the quick charging and low-temperature performance is excellent, and the problem that the high capacity and the performance of the artificial graphite are difficult to combine at the same time is solved.

The invention discloses a forming method of a graphene reinforced copper alloy composite material, in the scheme, multi-layer coated composite copper powder is adopted, the outer layer of the multi-layer coated composite copper powder is a graphene coating layer, the middle layer of the multi-layer coated composite copper powder is a colloid layer, the inner layer of the multi-layer coated composite copper powder is a silver layer, the core of the multi-layer coated composite copper powder is copper powder, and the multi-layer coated composite copper powder is sintered, extruded, specifically annealed and the like to obtain the composite material. The recrystallization degree of the alloy is improved through high-temperature stepped annealing, grains are refined, meanwhile, dispersion distribution of aluminum oxide can be stabilized, and the composite material has excellent performance in strength, hardness and electric conductivity.

The invention belongs to the technical field of batteries, and particularly relates to a preparation method of a size gradient graphene coating current collector. The preparation method comprises the following steps: providing raw materials including graphite and a block copolymer intercalator containing dynamic disulfide bonds according to a feeding ratio of 1: 20 to 1: 1; putting the provided raw materials into a mixed solvent of water and ethanol to obtain a mixed solution; mechanically shearing and stripping the mixed solution in stages, and regulating and controlling the shearing time and the shearing rate, so as to respectively generate graphene with the specification of 4-8 microns and graphene with the specification of 1-3 microns from the mixed solution; sequentially coating graphene with the specification of 4-8 microns and graphene with the specification of 1-3 microns on the base material so as to sequentially generate a matrix layer and a surface layer on the surface of the base material; the base material coated with the graphene is post-processed to generate the coating current collector, the coating sheet resistance of the coating current collector is 0.75-0.80 omega / square, and the peel strength is larger than or equal to 1.2 N / mm. According to the invention, the rate capability of the battery can be obviously improved, the interface bonding force is multiplied, and the self-repairing function is stronger.

The utility model discloses a novel far infrared floor warmer which comprises an installation support, an installation outer frame is connected to the top of the installation support, an installation bottom plate is connected to the bottom of the installation support, an installation groove is formed in the inner surface of the installation outer frame in a concave mode, and a heat insulation plate and a mica sheet are installed in the installation groove respectively. The mica sheet is arranged below the heat insulation plate, a glass installation groove is formed in the edge of the bottom of the installation groove in a concave mode, a heating glass plate is embedded in the glass installation groove, a graphene coating is arranged on the inner surface of the heating glass plate, and the heating glass plate, the mica sheet and the heat insulation plate are sequentially arranged from bottom to top. Heat energy of the heating glass plate can be utilized to the maximum extent, meanwhile, external safety and service life of the device are ensured, a user can clearly observe the running state of the device through light emitted by the prompting lamp panel, and interaction experience is improved.

The utility model discloses a cold chain transport vehicle, which belongs to the field of logistics transportation and comprises a vehicle and a cargo compartment, stand columns are fixedly connected to two sides of the cargo compartment, a plurality of storage components are mounted between the stand columns on two sides along the height direction of the stand columns, and an anti-sticking film is stored on any storage component and can be pulled out when being stressed. Wherein the anti-adhesion film is made of a material with lower surface energy, such as a polytetrafluoroethylene (PTFE) film, or a film coated with a hydrophobic material, such as a graphene coating, and by utilizing the film, when goods in a carton are put into the compartment, the anti-adhesion film is pulled out to cover the carton, and then the goods are stacked upwards, so that the anti-adhesion film is formed. At the moment, anti-adhesion films exist between the cartons stacked up and down, by means of the low adhesive force of ice on the anti-adhesion films, it is avoided that the cartons stacked up and down adhere to one another due to freezing, separation is difficult, or the cartons are damaged during separation, and the quality in the modern logistics transportation process is improved.

The application discloses a kind of based on graphene coating infrared synergistic efficient composite drying method of fruit freeze-drying, the method includes the following steps: S1.fruit is in the pulsed electric field of pulse voltage 35 kV / cm below and is pretreated, and the fruit after pulsed electric field pretreatment is obtained;S2.pretreated fruit is in the electrostatic field of field intensity 30 kV / cm below and is pre-frozen, and the fruit after pre-freezing is obtained;S3.pre-frozen fruit is placed on graphene coating hot plate, and is dried under vacuum condition, and the freeze-dried fruit is obtained;The heating rate of graphene coating hot plate is 2~5℃ / min, heating temperature is 30~50℃, and drying time is 8~12 h.The fresh fruit is sequentially treated by pulsed electric field, electrostatic field assisted directional freezing treatment and graphene coating infrared heating drying process synergy, so that freeze-dried fruit nutrient retention rate is high, rehydration is good, and freeze-drying cycle is shortened by 25~45%, energy consumption is reduced by 25~40%, suitable for efficient high-quality energy-saving drying processing of fresh fruit.

The invention discloses a physical therapy hair drier with a herbal solid medicine volatilization function, and belongs to the technical field of medical care, the physical therapy hair drier comprises a hair drier, the air outlet end of the hair drier is fixedly connected with a magnetic suction nozzle, the end part of the magnetic suction nozzle is movably connected with an air nozzle, the magnetic suction nozzle is sleeved on the outer wall of the air nozzle, and the air nozzle is movably connected with the air nozzle. And one side of the outer wall of the tuyere is fixedly connected with a magnetic ring. According to the device, the herbal solid bin is arranged, silver nanoparticles, a zinc compound and natural minerals in the herbal solid bin are volatilized under the action of hot air and are blown out from an air nozzle outlet after being mixed with the hot air, hot air containing herbal medicine volatile components is formed, meanwhile, the graphene coating generates far infrared radiation under the action of the hot air, and therefore the herbal medicine volatile components can be effectively removed. Through the synergistic effect of elements in the herbal solid bin, the hair drier can release hot air containing herbal medicine volatile components, the functions of assisting physical therapy and promoting health are achieved, the physical therapy effect is enhanced, and the hair drier has the healthy physical therapy function.