949 results about "Ultrasonic atomization" patented technology

The invention discloses a fresh commodity after-ripening regulation and control planning method oriented to maturity grading, and relates to the technical field of food science and biologication.The method comprises the steps that physiological parameters of fresh commodities are collected in real time based on a multi-modal sensor, and the physiological parameters comprise the epidermis pigment content, the ethylene release rate, the fruit hardness and the respiration intensity; the collected physiological parameters are input into a multi-objective optimization model based on deep learning, the model fuses a metabolic kinetic equation and an LSTM time sequence prediction algorithm, and a regulation and control parameter combination adaptive to the current mature stage is output; according to the regulation and control parameter combination, the temperature, the relative humidity and the O2 / CO2 concentration gradient of the controlled atmosphere storage equipment are synchronously regulated through a distributed control system, and a plant hormone antagonist is injected through an ultrasonic atomization device; and constructing a supply chain collaborative network based on a block chain technology, binding a grading result with logistics path planning, and adjusting a temperature control strategy and a shelf life countdown parameter of the cold chain transport vehicle in real time through an edge computing node.

The invention discloses a continuous automatic micro-nano metal powder production device and method. The continuous automatic micro-nano metal powder production device comprises an ultrasonic atomization system, a high-temperature pyrolysis system, a product collection system and a tail gas treatment system which are sequentially connected. The product collection system comprises a physical separation device and an electrostatic-magnetic field synergistic adsorption device; the electrostatic-magnetic field synergistic adsorption device comprises an electrostatic collection device and a magnetic field adsorption device arranged on the outer side of the electrostatic collection device. The electrostatic collection device comprises a positive electrode electric field arrangement mechanism and a negative electrode electric field arrangement mechanism, and the positive electrode electric field arrangement mechanism is arranged in a cylindrical inner cavity of the negative electrode electric field arrangement mechanism; the positive electric field arrangement mechanism comprises a trunk and a plurality of positive electrode plates distributed in the axial direction of the trunk. Metal powder is collected in a physical separation, high-voltage static electricity and magnetic field cooperation mode, the problems that nanoscale and micron-sized fine powder is prone to leakage and difficult to collect are effectively solved, the powder collection rate is increased, and effective recycling of products is ensured.

The invention discloses a method for preparing spherical metal fine powder by using coarse / waste powder through ultrasonic atomization, which comprises the following steps of: (1) collecting coarse / waste powder raw materials for ultrasonic atomization powder preparation, (2) conveying the coarse / waste powder to an electric arc melting area through argon gas flow, and carrying out melting and ultrasonic atomization powder preparation processing; (3) in the powder preparation process, the powder is continuously collected by using argon circulating airflow, so that the continuity of the powder preparation process is ensured; and (4) finally screening the prepared powder in particle size ranges to obtain high-quality spherical fine powder in different particle size ranges. According to the method, the recycling and reusing problems of 3D printing splashing waste powder and coarse powder in the traditional gas atomization powder manufacturing process are solved, and the powder pollution risk is remarkably reduced; according to the ultrasonic atomization re-powdering technology, the high-quality spherical metal fine powder needed by additive manufacturing can be efficiently prepared, powder waste discharge and environmental burden are reduced, the obtained powder can be directly used as a high-quality raw material for additive manufacturing, and green and sustainable development of the metal additive manufacturing industry is promoted.

The invention discloses a fuel cell heat and humidity integrated management system and an evaporation phase change cooling method thereof, and belongs to the technical field of fuel cell heat management. The system comprises an air cooling and humidifying module, a heat dissipation, evaporation and phase change module and a water recovery and distribution module. The air cooling and humidifying module distributes compressed air to an ultrasonic atomizing nozzle to be mixed with atomized water, and cooling and humidifying of main path air are achieved. The heat dissipation evaporation phase change module sprays atomized water to the surfaces of ATS radiator fins, and heat dissipation is enhanced through evaporation phase change. And the water recovery and distribution module recovers moisture in wet air at an electric pile outlet through condensation and intelligently distributes the moisture to the two atomization systems. A traditional intercooler and a traditional membrane humidifier are omitted, the air flow resistance is reduced by 15-20%, the heat dissipation efficiency is improved by 10% or above, the weight of the system is reduced by 8%, closed-loop utilization of reaction water is achieved, and the system is particularly suitable for fuel cell systems of mobile carriers such as vehicles and unmanned aerial vehicles.

The utility model discloses a novel advanced oxidation device which comprises an outer shell, a gas-liquid mixing chamber, an ultrasonic atomization disc, a gas inlet hole, a water inlet hole, a connecting ozone generator, a UV reaction coil pipe and the like. Through ultrasonic wave catalysis and ultraviolet light catalysis, H2O is excited by O3 and a large amount of. OH with higher oxidability is generated, the mixing degree and turbulent fluctuation intensity of ozone and sewage are improved, the mass transfer coefficient is increased, the mass transfer rate of ozone is increased, and four-section oxidation reaction is carried out in one reactor, so that the ozone oxidation efficiency and effect are greatly improved; and a reinforced oxidation effect is generated on pollutants in the wastewater, so that the pollutants in the wastewater are degraded and removed.

The utility model discloses a condensate water ultrasonic atomization cooling device, which relates to the field of air conditioners and is characterized in that a radiator, a circulating pump and a water cooling head are connected through pipelines to form a cooling loop; a water supply port of the water collecting tank is in pipeline connection with the ultrasonic atomization head and the drainage electromagnetic valve; the internal temperature and humidity sensor, the external temperature and humidity sensor and the water level sensor are electrically connected with an input port of the main control board; the ultrasonic atomization driving plate, the cold air fan, the drainage electromagnetic valve, the circulating pump, the cooling fan and the semiconductor chilling plate are electrically connected with an output port of the main control panel; the ultrasonic atomization head is electrically connected with the ultrasonic atomization driving plate; the heat dissipation efficiency of the radiator is improved through condensate water ultrasonic atomization cooling, an external temperature and humidity sensor and a main control board are arranged to accurately control the spraying amount of an ultrasonic atomization head, the condensate water utilization rate is improved, a low-temperature protection mechanism is arranged, and the energy efficiency ratio is improved through control of a PID algorithm in the refrigeration process.

The invention discloses a liquid-phase sweating cooling thermal protection structure based on atomization jet flow, and relates to the field of heat reduction and resistance reduction of active flow control of aerospace high-speed aircrafts, the liquid-phase sweating cooling thermal protection structure comprises a coolant cabin, and cooling spray holes are formed in the cabin wall of the coolant cabin; an atomization vibrating body is fixedly connected to the position, located at the cooling spray hole, of the cabin wall of the cooling agent cabin, the atomization vibrating body can make contact with a cooling agent in the cooling agent cabin, and a driver used for enabling the atomization vibrating body to vibrate is further included. The liquid-phase sweating cooling device works on the basis of the ultrasonic atomization principle, through the effect of the piezoelectric ceramic atomization piece, the liquid coolant generates atomization jet flow and enters a boundary layer outside the aircraft, use of a liquid pumping driving device is avoided, and the light weight degree of the liquid-phase sweating cooling device is improved.

The invention relates to an ultrasonic atomization pulse type cold air jet cooling and lubricating device and an operation process thereof. The device comprises an air compressor, a cold air generator, a gas storage tank, a pulse control valve and an ultrasonic atomization nozzle module which are sequentially connected through a gas pipeline. The ultrasonic atomizing nozzle module comprises an ultrasonic transducer, a stepped amplitude-variable rod, a waterproof cover, a sealing cover and a focusing nozzle. In the working process, the stepped amplitude-variable rod amplifies the high-frequency mechanical vibration amplitude of the ultrasonic transducer, and cutting fluid is efficiently atomized into micron-sized liquid drops through the cavitation effect and the capillary wave effect; meanwhile, the cold air generator converts high-pressure air provided by the air compressor into low-temperature gas and temporarily stores the low-temperature gas in the gas storage tank, and the low-temperature gas is released in a pulse mode through the precise pulse control valve according to the set frequency and duty ratio. The pulse low-temperature gas enters the sealing cover to be fully mixed with the atomized liquid drops, uniform gas-liquid two-phase jet flow is formed, finally, the jet flow is accelerated by the focusing nozzle to form high-speed convergent jet flow, the high-speed convergent jet flow acts on a cutting area accurately, and pulse type efficient cooling and lubricating cutting machining is achieved.

The invention discloses a microbiological deodorization method, which belongs to the technical field of disinfection and deodorization, and comprises the following steps: S1, preparing a microbial preparation, S2, pre-stirring a strain combination; S3, preparing a deodorant from the prepared composite microbial preparation according to the mass; and S4, putting a prepared deodorant into an ultrasonic atomizer or a spray tower. According to the invention, the microbial preparation is creatively adopted to perform spray deodorization on the odor source, so that the deodorization efficiency is high, the effect is good, the treatment cost of the odor source and odor is effectively reduced, the overall operation difficulty is low, only the polluted area is atomized, the odor is effectively controlled before volatilization, the odor pollution spreading can be effectively controlled, and the influence on the operation environment is avoided; the microbial inoculum is non-toxic, can be naturally degraded, has no residue after deodorization, does not need additional neutralization and filtration, has higher environmental adaptability, and meets the deodorization requirements of small and medium-sized farms and small and medium-sized garbage collection stations.

The invention relates to an electron beam melting-ultrasonic atomization pulverizing system and method, belongs to the technical field of preparation of metal powder materials, and solves the problems that in an existing metal powder preparation technology, high-melting-point metal powder is difficult to prepare, and due to medium introduction, the powder purity is low, the cost is high, the sphericity degree of the powder is low, and the particle size is uncontrollable. The electron beam melting-ultrasonic atomization pulverizing system comprises an electron beam system, a vacuum system, a cooling system, an ultrasonic pulverizing system and a powder collecting system. By means of the system, powder preparation under the high-vacuum condition can be achieved, medium introduction is avoided, impurity removal is promoted, and low-oxygen ultra-pure powder can be obtained easily; the energy density of electron beams is high, and preparation of high-melting-point metal powder can be successfully achieved; by means of ultrasonic atomization, the metal powder is high in sphericity degree, controllable in particle size and few in defect, and the method is particularly suitable for preparing ultrapure powder of refractory metal (such as W, Mo and Ta) and active metal (such as Ti, Nb, Co and V).

The invention belongs to the field of electrochemical energy storage material and device manufacturing, and particularly relates to a method for preparing super-capacitor carbon through ultrasonic atomization, the super-capacitor carbon and a super-capacitor electrode. The method comprises the following steps: preparing a carbonized material, a bridging conductive agent and a composite binder into slurry, performing ultrasonic atomization to form spherical liquid drops, and performing drying, pre-activation and CO2 etching to prepare the supercapacitor carbon with an integrated three-dimensional network. Through a synergistic process of spherical template construction-networked reconstruction-etching modification, controllable transformation of a material structure is realized, and the tap density, a pore channel system and a conductive network of the electrode are optimized, so that the electrode with high specific capacity, excellent rate capability and cycling stability is obtained, and the process is environment-friendly and coherent and is suitable for large-scale production.

The invention relates to the field of lung-heat-clearing and joint-removing liquid for ultrasonic atomization, in particular to lung-heat-clearing and joint-removing liquid for ultrasonic atomization, which comprises the following medicinal materials: pinellia ternate, salvia chinensis, euphorbia helioscopia, ginger, cynanchum glaucescens, liquorice, scutellaria baicalensis, ginseng, cassia twig and the like. Compared with the prior art, the lung-clearing and joint-removing liquid disclosed by the invention has the advantages that the lung-clearing and joint-removing liquid adopts a traditional Chinese medicine combination, refers to classical traditional Chinese medicine works such as'internal meridian 'and'golden chamber' of Zhonggui and the like, and provides a reliable liquid medicine spray for ultrasonic atomization treatment of lung nodules, and the Chinese patent medicine combination is prepared by mutually blending and matching different medicinal diets, so that the lung-clearing and joint-removing liquid has a remarkable curative effect on removing the lung nodules. The traditional Chinese medicine composition is efficient and mild in medicine property, beneficial to human body physiological running and absorption, capable of achieving balance between keeping human body health and stability and effectively treating focus, and beneficial to body recovery of patients.

The invention provides an atomization device, and relates to the technical field of electronic atomization, and the atomization device comprises a first liquid storage assembly used for storing a first atomization matrix; the second liquid storage assembly is used for storing a second atomization substrate; the ultrasonic atomization assembly is in liquid path communication with the first liquid storage assembly, and the ultrasonic atomization assembly is used for conducting ultrasonic atomization on the first atomization matrix and generating first aerosol; the heating and atomizing assembly is in liquid path communication with the second liquid storage assembly, and the heating and atomizing assembly is used for heating and atomizing the second atomizing matrix and generating second aerosol. The atomization device can atomize the first atomization matrix and the second atomization matrix with different components, so that aerosol with different fragrance smells and different functions and effects is provided for a user, and the use experience of the user is improved.

The invention provides an ultra-pure thorium fluoride production process which comprises the following steps: preparing a nanoscale ThF4.xNH4F precursor through a gas-liquid-solid three-phase reaction, atomizing an ammonium fluoride solution into microdroplets by adopting ultrasonic atomization, and carrying out synergistic reaction with gaseous ammonium fluoride and a liquid-phase thorium nitrate solution; a microwave-plasma synergistic fluorination reaction is adopted, and the precursor is heated in a high-purity inert atmosphere to generate crude thorium fluoride; according to the ultra-pure thorium fluoride production process provided by the invention, the purity of thorium fluoride is remarkably improved through the technical means of preparation of a nanoscale precursor through a gas-liquid-solid three-phase reaction, microwave-plasma synergistic fluorination, multi-stage sublimation combined with graphene-based nano trapping membrane purification, intelligent process control, by-product closed-loop recovery and the like; the impurity content is low, and the requirements of nuclear reactor fuel substrates and high-end optical coatings on ultra-high purity are met. The method has the advantages of high yield, high process stability and small purity fluctuation among batches, and the production efficiency and the product consistency are obviously improved.

The invention provides nanocrystalline barium titanate dielectric ceramic, a preparation method thereof and a ceramic capacitor, and belongs to the technical field of ceramic materials. The preparation method of the nanocrystalline barium titanate dielectric ceramic comprises the following steps: adding barium titanate into a first solvent, and carrying out ultrasonic atomization to obtain barium titanate slurry; adding holmium nitrate, yttrium nitrate, dysprosium nitrate, calcium nitrate, magnesium nitrate, manganese acetate and zinc acetate into an inorganic solvent to obtain an inorganic doped solution, and adding tetraethoxysilane into a second solvent to obtain an organic doped solution; uniformly mixing the barium titanate slurry, the inorganic doping solution and the organic doping solution to obtain mixed slurry; adjusting the pH value of the mixed slurry to be alkaline, standing and precipitating, drying, sieving for the first time, and pre-sintering to obtain powder; sieving the powder for the second time, uniformly mixing the powder with a binder, sieving for the third time, granulating, and carrying out compression molding to obtain a green body; and degumming and sintering the green body to obtain the nanocrystalline barium titanate dielectric ceramic.

The invention discloses a zinc gallate film prepared by a two-step method, and a preparation method and application thereof, and belongs to the technical field of semiconductor materials. The invention provides a method for preparing a zinc gallate film through a two-step method. The method comprises the following steps that a C-face sapphire substrate is pretreated, surface impurities and water are removed, and a pretreated sapphire substrate is obtained; mixing the gallium acetylacetonate solution and the zinc acetylacetonate solution, adding hydrochloric acid, stirring until the mixture is completely dissolved, and standing to obtain supernatant liquid; under the normal pressure condition, inert gas is used as current-carrying gas, the supernatant liquid is subjected to ultrasonic atomization treatment and then conveyed to the surface of the pretreated sapphire substrate, a nucleating layer is formed through deposition at the temperature of 500-550 DEG C, then the temperature is increased to 600-650 DEG C, an epitaxial film is formed through deposition, and the single crystal spinel zinc gallate thin film is obtained. The zinc gallate thin film with higher quality is prepared through a two-step method.

The invention relates to a multifunctional magnesium alloy coating with high biocompatibility and a preparation method and application thereof. Comprising the following steps: (1) carrying out surface treatment on a magnesium alloy substrate; (2) micro-arc oxidation treatment; (3) after preparing a coating solution, carrying out double-sided ultrasonic atomization spraying; and (4) drying, soaking and cleaning. According to the preparation method, a micro-arc oxidation treatment technology and a double-sided ultrasonic atomization spraying technology are combined for the first time, pores and cracks of the MAO coating serve as binding sites, effective loads are provided for the silk fibroin / nano-hydroxyapatite particle coating, the MAO coating and the SF / nHAp coating are fully combined, and the composite coating is prepared. According to the coating, the MAO coating and the SF / nHAp coating are combined for the first time, the defect of rapid degradation when the magnesium alloy serves as an in-vivo implant is effectively overcome, the corrosion resistance of the magnesium alloy is remarkably improved, the release rate of hydrogen after implantation is reduced, and rising of the pH value around the implant is slowed down.

The invention provides an induction melting feeding ultrasonic atomization pulverizing system and method, and belongs to the technical field of metal powder material preparation. The induction melting system is used for melting metal raw materials, generated metal melt is sprayed out through a nozzle and drips on an ultrasonic vibration workbench, inert gas is ionized through a tungsten needle electrode tip in the plasma electric arc melting system, the dripped melt which is not atomized in time and cooled is assisted to continue to be heated, and the molten metal is melted. Under the action of ultrasonic atomization vibration, the melt liquid level is broken to generate a molten pool. And under the action of ultrasonic waves, molten liquid in the molten pool is broken to generate small fog drops, and the fog drops are rapidly cooled under the action of surface tension in the inert gas environment to form the metal spherical powder. Continuous operation of ultrasonic atomization powder preparation can be achieved, the conditions of hollow powder and satellite powder are reduced, and the prepared metal spherical powder has the advantages of being high in sphericity degree (larger than or equal to 0.95), high in compactness (larger than or equal to 99%) and narrow in particle size distribution (smaller than or equal to 60 micrometers).

The invention belongs to the technical field of automatic sorting, and particularly relates to building waste reclaimed material automatic sorting equipment and method.The equipment comprises a vibrating feeder, a plurality of funnel-shaped material distribution grooves are formed below an ultrasonic atomization spraying device side by side, a belt conveyor is used for conveying building waste crushed materials, and the vibrating feeder is used for feeding the building waste crushed materials; a fluorescence detection box is arranged above the belt conveyor, connecting columns in one-to-one correspondence with the funnel-shaped material distribution grooves are arranged in the fluorescence detection box, ultraviolet lamps are arranged on the connecting columns, and photosensitive sensors are arranged on the rear sides of the ultraviolet lamps. According to the invention, through cooperation of fluorescence recognition feedback and high-pressure gas, building waste crushed materials are automatically sorted, building waste materials of different substances with similar density, size, color, shape and the like can be finely sorted, and the device has the characteristics of sensitive reaction, accurate distinguishing, high precision and the like.

The invention discloses a salt spray test device, which comprises a salt spray test box and an atomization device, the salt spray test box comprises a box body and a sample support frame, the box body is provided with a salt spray jet orifice, the sample support frame is provided with a sample installation position for accommodating a sample, and the sample support frame is installed in the box body of the box body. The atomization device comprises a shell, an ultrasonic atomization piece and an ultrasonic atomizer, the ultrasonic atomization piece and the ultrasonic atomizer are both installed in the shell, the ultrasonic atomization piece is installed in the ultrasonic atomizer, and the shell is provided with an atomization channel communicating with the box body and an inner cavity of the shell. In the salt spray test device provided by the invention, the atomization device adopts the ultrasonic atomizer and the ultrasonic atomization sheet to generate ultrasonic waves to atomize the salt solution, so that compared with a compressed air atomization method required by a traditional atomization device, dangerous sources are reduced, and compressed air does not need to be preheated by a saturation tower. Therefore, the use safety of the salt spray test device provided by the invention is improved.

The invention relates to an ultrasonic atomization milling device, belongs to the technical field of ultrasonic milling, and solves the problems that in the prior art, cutting heat affects the performance of a tool and the utilization rate of cooling liquid is low. The front end of the cutter handle assembly is connected with a lock tooth milling cutter, the rear end of the cutter handle assembly is connected with a machine tool spindle, and an inner cavity used for containing an ultrasonic transducer assembly is formed in the cutter handle assembly; the power supply coil is used for supplying power to the ultrasonic transducer assembly; the ultrasonic transducer assembly can generate high-frequency vibration after being electrified; the liquid supply device is used for introducing cooling liquid into an internal flow channel of a transducer amplitude-change pole of the ultrasonic transducer assembly; the locking tooth milling cutter is used for milling the workpiece; an internal flow channel of the tooth-locking milling cutter is communicated with an internal flow channel of the transducer amplitude-change pole, and the cooling liquid can be atomized and sprayed out under the high-frequency vibration effect of the ultrasonic transducer assembly when flowing out of the internal flow channel of the tooth-locking milling cutter. According to the invention, cooling and lubrication of a cutting area are realized.

The invention relates to the technical field of tritium extraction and discloses a double-resonance ultrasonic atomizing nozzle, a preparation method and a tritium extraction system.The double-resonance ultrasonic atomizing nozzle comprises a nozzle body and a vibration assembly, the nozzle body is provided with a nozzle opening and a first space for containing liquid metal, and the nozzle opening is communicated with the first space; and the vibration assembly is arranged in the first space, the vibration assembly is provided with at least two vibration ends extending from the first space to the nozzle, each vibration end generates ultrasonic waves through vibration, and every two adjacent vibration ends are arranged in a spaced mode and resonate with each other so that the liquid metal can be atomized. The double-resonance ultrasonic atomizing nozzle solves the technical problem of further strengthening the atomizing effect of lead and lithium liquid drops. According to the double-resonance ultrasonic atomizing nozzle, the atomizing effect of liquid metal can be enhanced, atomized metal liquid drops are more uniform, the dispersion effect of the liquid metal is improved, and the size of the metal liquid drops can be reduced.

The application relates to a UHPC material for a bridge expansion joint and a preparation method thereof, and comprises the following steps: S2, nanometer carbon fibers are stirred with residual silica fume in a premixing bin at high speed for 2 minutes, so that the silica fume wraps the nanometer carbon fibers and prevents electrostatic agglomeration; after premixing, the mixed powder is sequentially sent into a vortex chamber and an ultrasonic atomization cavity through compressed airflow, and the fiber flows through a piezoelectric ceramic array high-frequency vibration to make the fiber bundle dissociate into a single state; S3, the atomized fiber aerosol passes through a porous diffuser and is sprayed into a planetary mixer through a second feeding port at a certain angle to participate in the mixing in step S1; and S4, steel fibers are sent into a vibrating screening box, and the adhered steel fiber groups are separated through high-frequency vibration, and the separated steel fibers enter the planetary mixer through a third feeding port to participate in the mixing in step S1. The steel fibers and the nanometer carbon fibers uniformly distributed in the UHPC material form a double anti-cracking mechanism, and the impact toughness of the UHPC material is improved.

The invention belongs to the technical field of material preparation and new energy, and particularly relates to a method for preparing nano cathode composite powder by spray drying, which comprises the following steps: (1) pretreating nano tungsten powder; (2) preparing mixed slurry; (3) ultrasonic atomization; (4) spray drying of atomized liquid drops; and (5) synchronously reducing and calcining to obtain the nano cathode composite powder prepared by spray drying. The prepared nano cathode composite powder has a uniformly dispersed multi-component structure and optimized phase composition, and the emission current density of a barium-tungsten cathode in practical application can be remarkably improved.

The utility model discloses an electromagnetically-driven high-flux internal ultrasonic atomization type aerosol printing spray head. The spray head comprises a spray head base body module, an ultrasonic atomization module, a multi-material mixing module and a shutter control module. Wherein the ultrasonic atomization module is installed in the spray head base body module, the multi-material mixing module is installed above the ultrasonic atomization module and connected with the spray head base body module, and the shutter control module is installed on the side face of the spray head base body module and is evenly distributed with the ultrasonic atomization module. According to the utility model, real-time proportioning of multiple materials can be realized, the flowability, the adhesion and the curing speed in the printing process can be better controlled, the printing quality is improved, the printing of complex structures and functionally graded materials is realized, and a better printing effect is achieved.

The novel atomization eyeshade comprises an eyeshade structure and main elastic bands, the eyeshade structure is worn on the face of a user and covers the peripheries of the eyes, the main elastic bands are installed on the two sides of the eyeshade structure, and an ultrasonic atomization assembly used for atomizing liquid medicine and conveying the liquid medicine into the eyeshade structure is connected to the eyeshade structure in an inserted mode. An electric power storage structure is installed on the eyeshade structure, the ultrasonic atomization assembly comprises a comprehensive frame body arranged in the middle of the top face of the eyeshade structure, a liquid storage frame used for storing liquid medicine is installed in the middle of the bottom wall of the comprehensive frame body, and an ultrasonic atomization piece is installed in the liquid storage frame; two flow guide plates used for guiding atomized liquid medicine to flow towards the outer side of the liquid storage frame are installed in the comprehensive frame body, and wind power structures used for increasing the flow speed of the atomized liquid medicine are installed on the two sides of the top wall of the comprehensive frame body. According to the utility model, the consumption of atomized drops can be effectively reduced, the efficiency of the atomized drops entering the eyeshade is accelerated, and the concentration of liquid medicine entering the eyeshade is ensured.

The invention provides a method and device for reducing coating defects of a disc-type ceramic membrane, and the method comprises the following steps: positively mounting a clamp on a spraying station, enabling the ceramic membrane to dynamically rotate, and cleaning and activating the front surface of the ceramic membrane by adopting a low-temperature plasma technology; carrying out negative pressure suction on the ceramic membrane while the ceramic membrane is dynamically rotated, and spraying a membrane preparation liquid on the front surface of the ceramic membrane by adopting ultrasonic atomization; and dynamically rotating the ceramic membrane, and performing negative pressure suction on the ceramic membrane, so that the circular arc part of the ceramic membrane is dynamically dip-coated in the membrane preparation liquid. According to the method, dynamic rotation of the ceramic membrane, negative pressure and ultrasonic spraying are cooperated, ultrasonic atomized liquid drops are sucked into a micropore structure or surface gaps when making contact with the surface of the ceramic membrane, pinholes or defects of the membrane layer are avoided, and the uniform, dense and defect-free membrane layer is formed; and non-contact with the ceramic membrane can be realized, and the coating defect caused by improper contact before the membrane layer is dried is effectively prevented.

The invention relates to sterilizing equipment for surgical instruments and a using method thereof, and belongs to the technical field of sterilizing of medical instruments, the sterilizing equipment comprises a closed sterilizing box body, an instrument fixing frame, a waste liquid collecting tray, a plasma generating module, a vacuum extraction system, an ultrasonic atomization device, a central controller, a vacuum pulse drying system, a stainless steel equipment box and a steam generator, the instrument fixing frame and the waste liquid collecting tray are both arranged in the closed sterilization box body, and the closed sterilization box body, the plasma generation module, the vacuum extraction system, the ultrasonic atomization device, the central controller and the vacuum pulse drying system are all installed in the stainless steel equipment box. According to the sterilizing and killing equipment for the surgical operating instruments, through the multi-stage pretreatment, self-adaptive sterilization mode selection, plasma enhanced permeation and vacuum pulse drying technologies, deep sterilization of the surfaces and pipe cavities of the instruments is achieved, and the problems of sterilization dead angles of the complex instruments, damage to heat-sensitive materials and wet packaging are solved.

In an ultrasonic atomization apparatus of the present invention, a separator cup and four ultrasonic vibrators are provided to satisfy a reflected wave avoidance condition that “four reflected waves are not received by any of the four ultrasonic vibrators”. Specifically, a set curvature of a bottom surface of the separator cup is set to be larger than a conventional set curvature. In addition, a distance from a center point of a bottom surface of the water tank of each of the four ultrasonic vibrators is set to be longer than a conventional distance.

The invention provides an efficient surface treatment method for plastic gaskets, which comprises the following steps: S1, pretreatment: putting a plurality of groups of plastic gaskets into a tool basket, and sequentially carrying out ultrasonic degreasing by an ultrasonic cleaning machine, deionized water spraying washing by a spraying cleaning machine and vacuum drying by a vacuum drying oven; s2, plasma activation is conducted, specifically, the gasket is placed on a rotary carrying table of rotary plasma treatment equipment along with the tool basket, a plasma treatment cavity is vacuumized to 5-15 Pa, then treatment gas is introduced, a plasma generator is started, and the rotary carrying table drives the gasket to rotate at a constant speed during treatment; s3, functional coating coating is conducted, specifically, the activated gaskets are taken out and arranged to an ultrasonic atomization and electrostatic spraying all-in-one machine, and modified coating is coated; and S4, composite curing: pre-curing the coated gasket through an infrared pre-curing oven, and then transferring the gasket into an ultraviolet pre-curing oven for ultraviolet curing to obtain a finished product. According to the method, the treatment efficiency and uniformity are improved, and the coating adhesive force and the gasket performance are enhanced.