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646 results about "Ultrasonic atomization" patented technology

Fresh commodity after-ripening regulation and control planning method oriented to maturity grading

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.
Owner:杜娟

Method for preparing spherical metal fine powder from coarse / waste powder through ultrasonic atomization

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.
Owner:SHENYANG UNIVERSITY OF TECHNOLOGY

Fuel cell heat and humidity integrated management system and evaporation phase change cooling method thereof

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.
Owner:JIANGSU JI CHONG HYDROGEN ENERGY TECH CO LTD

Condensate water ultrasonic atomization cooling device

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.
Owner:陈平

Liquid phase sweating cooling thermal protection structure based on atomization jet flow

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.
Owner:CALCULATION AERODYNAMICS INST CHINA AERODYNAMICS RES & DEV CENT

Ultrasonic atomization pulse type cold air jet cooling and lubricating device and operation process thereof

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.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1

Microbiological deodorization method

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.
Owner:福建元景之态生物科技有限公司

Electron beam melting-ultrasonic atomization pulverizing system and method

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).
Owner:ZHENGZHOU UNIV

Method for preparing super capacitor carbon through ultrasonic atomization, super capacitor carbon and super capacitor electrode

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.
Owner:NINGBO LANNENG CARBON NEW MATERIAL TECHNOLOGY CO LTD

Atomization device

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.
Owner:NEVILLA (HONG KONG) LTD

Production process of ultra-pure thorium fluoride

PendingCN120383331ARadium compoundsCoatingsNitric acidNuclear reactor
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.
Owner:JIANGSU KANGZHONG NEW MATERIAL TECH CO LTD

Induction melting feeding ultrasonic atomization pulverizing system and pulverizing method

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).
Owner:SINO PLATINUM METALS CO LTD +2

Ultrasonic atomization milling device

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.
Owner:36TH RES INST OF CETC

Double-resonance ultrasonic atomizing nozzle, preparation method and tritium extraction system

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.
Owner:中子科学(重庆)研究院有限公司

UHPC material for bridge expansion joint and preparation method thereof

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.
Owner:INNER MONGOLIA HOHHOT NEW AIRPORT EXPRESSWAY MANAGEMENT CO LTD +2

Method for preparing nano cathode composite powder by spray drying

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.
Owner:MINXI VOCATIONAL & TECHN COLLEGE

Electromagnetically-driven high-flux internal ultrasonic atomization type aerosol printing nozzle

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.
Owner:BEIJING FORESTRY UNIVERSITY

Method and device for reducing coating defects of disc type ceramic membrane

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.
Owner:FEATURE-TEC (WUXI) FILTRATION TECH CO LTD

Surgical operating instrument disinfecting and killing equipment and use method thereof

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.
Owner:LUWAN BRANCH OF RUIJIN HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Ultrasonic atomization apparatus

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.
Owner:TMEIC CORP

Efficient surface treatment method for plastic gasket

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.
Owner:LONG PLASTIC ELECTRONICS (SHENZHEN) CO LTD

Condensate water removing device based on ultrasonic atomization technology

The invention belongs to the technical field of air conditioner condensate water treatment, and discloses a condensate water removal device based on an ultrasonic atomization technology. Condensate water of a mobile air conditioner is atomized through intermittent operation of three ultrasonic atomization pieces and is discharged through an exhaust pipe; the small air pump is used for blowing dirt on the surface of the atomization sheet during shutdown, and the service life of equipment is prolonged; and the ultraviolet lamp sterilizes the residual condensate water to prevent deterioration. The device realizes efficient evaporation, self-cleaning and sanitary treatment of condensate water, solves the problems of low evaporation efficiency, complex maintenance and bacterium breeding in the prior art, and is suitable for mobile air conditioners and similar condensate water treatment scenes.
Owner:NINGBO BAOGONG ELECTRICAL APPLIANCE CO LTD

Dust removal equipment for fused quartz production

The invention provides dust removal equipment for fused quartz production. The dust removal equipment comprises a pre-separation module, a wet dust removal module and a bag dust removal module. The pre-separation module is arranged at an outlet of the dust generation source and comprises a flow guide mechanism, and the flow guide mechanism is used for guiding the flowing direction of dust-containing airflow and preliminarily capturing dust; the wet dust removal module is arranged at the downstream of the pre-separation module, the wet dust removal module comprises a spraying mechanism, and the spraying mechanism sprays fog drops to the dust-containing airflow through a plurality of ultrasonic atomization nozzles; the cloth bag dust removal module is arranged at the downstream of the wet dust removal module and comprises a drying plate and a cloth bag dust collector. Through cooperative work of the pre-separation module, the wet dust removal module and the bag dust removal module, a three-stage cooperative dust removal system is jointly formed, so that the influence of dust generated in the fused quartz production process on the environment is reduced to the greatest extent, and the dust removal efficiency is improved.
Owner:JIANGSU SUDERUI QUARTZ MATERIAL TECH CO LTD

Double-precursor atomization system and method for preparing gallium indium oxide thin film

The invention provides a double-precursor atomization system and a method for preparing a gallium indium oxide thin film. The content of indium in the thin film can be accurately adjusted. The core of the method is that a double-precursor atomization system is built, three independent gas flow meters and two independent ultrasonic atomization chambers are introduced, control over carrier gas in the ultrasonic atomization chambers containing indium ions and gallium ions is achieved, and then the proportion of gallium and indium elements in the thin film is achieved. The method mainly comprises the following steps: firstly, preparing a 0.05 mol.L <-1 > precursor solution of gallium acetylacetonate and a 0.05 mol.L <-1 > precursor solution of indium acetylacetonate, respectively putting the precursor solutions into two independent ultrasonic atomization chambers, and starting thin film deposition after a program is set; nitrogen-oxygen mixed reaction gas is introduced, and the gas flow is cooperatively controlled by three independent flow meters: the flow meter 1 adjusts the flow of oxygen, nitrogen is divided into two paths through a T-shaped joint, and the flow meters 2 and 3 respectively control the flow of carrier gas entering a gallium / indium precursor atomization tank, so that the flexible adjustment of the gallium / indium proportion is realized. And a new technical path is provided for realizing low-cost regulation and control of the content of the alloy elements in the thin film.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Electroplating anti-corrosion process for high-sulfur-resistance tungsten alloy

ActiveCN120425430ANano al2o3Tungsten alloy
The invention relates to the technical field of electroplating, and particularly discloses a high-resistance sulfur-tungsten alloy electroplating corrosion prevention process which comprises the following steps: adding nano aluminum oxide into an ethanol solution, then adding a silane coupling agent, and performing ultrasonic treatment to obtain sol; and under the protection of inert gas, aerosol formed by ultrasonic atomization of the sol, methane and a nano-silica coated nickel-tungsten alloy coating are subjected to a carbon thermal reduction reaction to obtain a product, and the product is cooled to obtain the high-sulfur-resistance tungsten alloy electroplated coating. According to the method, after the nano silicon dioxide is synthesized on the surface of the nickel-tungsten alloy in situ, the nano aluminum oxide is introduced in the carbon thermal reduction process, and the interface bonding force of the silicon carbide and the nickel-tungsten alloy coating is improved.
Owner:胜利油田金岛实业有限责任公司

Ice water spraying device for relieving thirst feeling of mechanical ventilation patient

The invention belongs to the technical field of medical instruments, and discloses an ice water spraying device for relieving thirst feeling of a mechanical ventilation patient, the ice water spraying device comprises a water storage cavity, a water guide pipe and an ultrasonic atomization nozzle, the ultrasonic atomization nozzle comprises a water inlet and a spraying nozzle, the water inlet is communicated with the water guide pipe, and the ultrasonic atomization nozzle is further connected with a generator; one end of the flow guide pipe is communicated with the bottom of the water storage cavity, the other end of the flow guide pipe is communicated with the condensation cavity, and a condensation piece is arranged in the condensation cavity; the end, away from the water inlet, of the water guide pipe communicates with the condensation cavity and is provided with a one-way valve. The first driving piece is arranged in the water storage cavity, and the second driving piece is arranged in the condensation cavity. Through the arrangement of the condensation cavity, water can be condensed in a small-amount and quantitative mode, and the condensation cost is reduced.
Owner:AFFILIATED HOSPITAL OF ZUNYI UNIV

Sewage purification method

The invention relates to the technical field of sewage treatment, in particular to a sewage purification method which comprises the following steps: S1, introducing sewage into a filtering device, and efficiently removing formed solid impurities in the sewage by using the filtering device; s2, discharging the sewage from which the large solid impurities are removed into a water storage tank, and then carrying out ultrasonic atomization treatment on the sewage to remove water-insoluble impurities; s3, collecting and condensing atomized water mist, and then adding the atomized water mist into an adsorption tank; the filtering device comprises a treatment box and a fixing rod, a baffle is connected to the treatment box in a sliding mode, a plurality of filtering holes are formed in the treatment box and located in the right side of the baffle, the treatment box is in an inclined posture with the left higher than the right, a sliding block is connected to the fixing rod in a sliding mode, and the efficient filtering effect on large solid impurities can be achieved without a filter screen; the filtering effect is ensured for a long time, and the filtering efficiency of large solid impurities is improved.
Owner:隋成龙

Probiotic biofilm pulse ultrasonic atomization spraying equipment

The invention discloses a probiotic biofilm pulse ultrasonic atomization spraying device, and particularly relates to the technical field of jejunum nutrient canal processing.The device comprises a base, and a spraying sleeve shell and an electric frame are installed at the top of the base; an inner conversion frame is rotationally arranged in the spraying sleeve shell, a linear placement groove is formed in the outer side of the inner conversion frame, and multiple sets of vacuum fixing clamps are slidably connected to the inner walls of the two sides of the linear placement groove; a rotary drawing mechanism is arranged in the electrical frame and comprises a fixed feeding pipe, a drawing sleeve and an air supply shaft seat; the drawing sleeve penetrates through the middle of the air supply shaft seat and is in threaded connection with the air supply shaft seat, the air supply shaft seat is provided with a second cooling pipeline and an air outlet ring cavity from inside to outside, a first communicating hose is connected between the second cooling pipeline and the fixed feeding pipe, a vortex sheet is arranged in the air outlet ring cavity, and the air outlet ring cavity can be filled with inert gas; and piezoelectric ultrasonic atomization sheets are mounted in the end parts of the cooling pipeline II and the drawing sleeve. Environmental microbial pollution is effectively prevented, and the spraying effect of the probiotic biological membrane is guaranteed.
Owner:JIANGSU PROVINCE HOSPITAL (THE FIRST AFFILIATED HOSPITAL OF NANJING MEDICAL UNIVERSITY)

Catalytic ceramic membrane as well as preparation method and application thereof

The invention relates to the technical field of inorganic functional ceramic membranes, in particular to a catalytic ceramic membrane and a preparation method and application thereof. According to the preparation method, alpha-Fe2O3 is taken as a catalyst, under the synergistic effect of other raw materials, ball milling is carried out, and the catalytic ceramic membrane is prepared by means of an ultrasonic wave-atomization method. Wherein alpha-Fe2O3 is uniformly distributed in a ceramic membrane matrix in an atomic-scale dispersion state, the exposure proportion and the utilization rate of metal atoms are greatly improved by the high-dispersion form, and the degradation capability of the membrane on pollutants is remarkably enhanced under the cooperation of ozone, so that the anti-pollution performance of the membrane is greatly improved; and meanwhile, the problem of membrane pore blockage caused by agglomeration of traditional nanoparticles is avoided, and the high-purity water flux of the membrane is effectively guaranteed on the basis of accurately maintaining the pore diameter of the membrane. In addition, the preparation process is simple and convenient to operate, large-scale production is easy to realize, and the prepared catalytic ceramic membrane has remarkable advantages in the field of sewage treatment.
Owner:GUANGDONG GDH WATER

Technology for removing NOx and SOs in industrial flue gas through ultrasonic atomization wet method

The invention relates to the field of industrial waste gas treatment, and discloses a technology for removing NOx and SOs in industrial flue gas through an ultrasonic atomization wet method. The technology comprises the steps that S1, the industrial flue gas is cooled and dedusted; s2, performing oxidation washing on NO by using a first washing solution and a second washing solution respectively; s3, absorbing NOx and SOs generated by oxidation of the industrial flue gas by using an absorption liquid subjected to ultrasonic atomization; s4, carrying out demisting treatment on the industrial flue gas; a first washing solution in the step S2 is a 0.5-1.5 wt% potassium persulfate aqueous solution, and a second washing solution is composed of 1-2wt% of ferrous sulfate, 0.5-1wt% of EDTA and the balance of water; the absorption liquid in the step S3 is prepared from basic hydroxide, carbonate, an interface modifier and water. According to the ultrasonic atomization wet process, the solid precipitation amount of the absorption liquid is small, the NOx and SOabsorptivity is high, and equipment cannot be corroded after long-term use.
Owner:BEIJING XINLIN ENVIRONMENTAL TECH CO LTD