513 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 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 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 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 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 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 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 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 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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses a cutting fluid helpful for improving anti-rust performance and a production process thereof, and belongs to the technical field of track shoe rust prevention, the cutting fluid comprises the following raw materials by weight: 15-24% of glycerin, 35-41% of vegetable fat, 6-11% of sulfonated betaine, 5-7% of a PEO-PPO-PEO triblock copolymer, 12-14% of carboxymethyl modified polyvinyl alcohol fiber, and the balance of water. Through the mode, in the preparation process of the carboxymethyl modified polyvinyl alcohol fiber, an ultrasonic atomization mode and a microwave treatment mode are adopted for preparing the carboxymethyl modified polyvinyl alcohol fiber, and the carboxymethyl modified polyvinyl alcohol fiber has influence effects on the aspects of improving the anti-rust performance of the cutting fluid, reducing the friction coefficient, reducing the wear scar diameter, improving the extreme pressure performance and the like. Meanwhile, sulfonated oil and machine oil are not used, so that the product is good in biodegradability, and harm to the environment can be reduced.

The invention discloses an electronic mosquito swatter capable of trapping mosquitoes through audio frequency. The electric net frame is arranged at the end of the handle, an electric net is installed in the electric net frame, an air spraying hole facing the electric net is formed in the electric net frame, and a carbon dioxide gas storage bottle connected with the air spraying hole is installed in the handle and used for extinguishing fire and trapping mosquitoes at the position of the electric net. An ultraviolet lamp is mounted at the bottom of the inner wall of the power grid frame; the electric net frame is rotated to be horizontal to serve as a supporting base, liquid mixed with aromatherapy is placed in the liquid storage bottle, the ultrasonic atomization piece atomizes the liquid, the atomized liquid is discharged through the mist outlet holes, the indoor aromatherapy and humidification functions are achieved, the indoor air quality is improved, and the air humidity is increased. Aromatherapy water mist matched with the ultrasonic atomization sheet and the ultraviolet lamp form a special smoke effect, and when used at night, the water mist is sprayed out from the two sides of the ultraviolet lamp and is matched with lamplight to generate a unique special water mist effect, so that the ornamental value of the product is increased.

The application discloses a mine dry-type filtering and dust-removing system suitable for high-humidity and high-dust environment, which comprises an air inlet unit, a primary dust-removing unit, an airflow diffusion unit, a secondary dust-removing unit, a filter cartridge ash cleaning unit, an ash collecting unit, an air outlet unit and a centralized control unit. The primary dust-removing unit comprises an ultrasonic atomization elimination device, a hydrophobic filter plate assembly, a filter plate ash cleaning device, an ultrasonic dust agglomeration device and a gravity ash discharging plate. The secondary dust-removing unit comprises double-layer self-adaptive filter cartridges, and the double-layer self-adaptive filter cartridges comprise a sealing installation base, an outer layer hydrophobic large-aperture filter cartridge, an inner layer small-aperture filter cartridge, a magnetorheological control mechanism, a sealing installation top plate and a shape memory alloy mesh framework. The mine dry-type filtering and dust-removing system suitable for high-humidity and high-dust environment can solve the problems of easy condensation and blockage of filter material and micro-dust leakage under high-humidity environment through the cooperative operation of the primary dust-removing unit and the secondary dust-removing unit under the condition of multi-field coupling, and is especially suitable for dust-removing operation in high-humidity and high-dust environment.

This invention discloses a process for preparing ultrafine glass powder using a spray pyrolysis method in the field of glass encapsulation materials. The process first prepares a homogeneous solution A using boric acid, aluminum nitrate nonahydrate, alkaline earth metal nitrates, lithium acetate, sodium acetate, and potassium acetate. Tetraethyl orthosilicate is dissolved in anhydrous ethanol to obtain solution B. A rare earth transition metal composite oxide nanoclusters encapsulated with a silica shell hybrid inorganic modifier is dispersed in anhydrous ethanol to obtain suspension C. Solution B and suspension C are mixed, and deionized water and hydrochloric acid are added to adjust the pH. After pre-hydrolysis and cooling, triethyl borate is added dropwise for co-condensation, and then mixed with solution A. After adjusting the pH and aging, the mixture is ultrasonically atomized and spray pyrolyzed to obtain ultrafine glass powder. The glass powder obtained by this invention has small particle size, high sphericity, and can be continuously produced.

The application discloses a novel advanced oxidation device which comprises an outer shell, a gas-liquid mixing chamber, an ultrasonic atomization disc, an air inlet hole, a water inlet hole, an ozone generator, a UV reaction disc tube and the like. Through ultrasonic catalysis and ultraviolet light catalysis, O3 is excited to generate a large amount of higher oxidizing ·OH, the mixing degree and turbulence intensity of ozone and sewage are improved, the mass transfer coefficient is increased, the mass transfer rate of ozone is improved, four-stage oxidation reactions are carried out in one reactor, and thus the ozone oxidation efficiency and effect are greatly improved, the pollutants in the wastewater are subjected to intensified oxidation, and thus the pollutants in the wastewater are degraded and removed.

A misting device for aeroponically cultivating plants in a growing chamber provided with fluid in a water reservoir, comprising: an ultrasonic atomization transducer (UAT) configured to generate a misting spray in the presence of fluid; and a wicking means configured to transport fluid from the water reservoir by capillary action to the ultrasonic atomization transducer, when the lower end of the wicking means is disposed in contact with the water reservoir. Also disclosed is a growing system for aeroponically cultivating plants comprising: a growing chamber for containing the plants, and provided with a water reservoir containing fluid; and misting devices. The misting devices are oriented such that the respective misting sprays interact with each other to create an ultra-fine mist inside the growing chamber. In some aspects, the water reservoir may further comprise nanobubbles to maintain elevated dissolved oxygen levels and improve root-zone oxygenation.

The utility model discloses a piston type refrigeration compressor with overheating protection, including compressor main part and casing, both sides of casing are equipped with through -hole, and casing is through the through -hole and is equipped with in the outside of compressor main part, and the one end vertical of casing is equipped with the air outlet pipe, and the other end is equipped with the air inlet pipe, and the one end of air inlet pipe is installed with the liquid storage shell away from casing, and the center of liquid storage shell bottom surface is equipped with the air inlet hole, and the pipeline is installed in the air inlet hole, and the inside installation of pipeline has the heat dissipation fan, and the liquid storage groove is formed between pipeline and liquid storage shell, and a plurality of ultrasonic atomizing pieces are installed in the liquid storage groove. The utility model discloses simple structure, and the wind of heat dissipation fan produces can be discharged from the air outlet pipe to the outer wall of casing and compressor main part upwards, and along with the improvement of heat, the water mist of ultrasonic atomizing piece can be blown into the casing, and until along the air outlet pipe and is discharged, through the contact of water mist and compressor main part and with the contact of casing inside air, can quickly absorb its heat, to increase the cooling efficiency.

The utility model relates to the technical field of medical cleaning and disinfection devices, in particular to a medical cleaning and disinfection robot which comprises a robot body, a control screen, an operation handle, an ultrasonic atomization disinfection assembly, an infrared radar, a chassis, side brushes, universal wheels, a rolling brush cover, a rolling brush, rolling wheels, a cloth dragging mechanism and the like. The disinfection robot and the floor sweeping robot are integrated, disinfectant can be evenly sprayed to all corners through the ultrasonic atomization disinfection assembly, so that the comprehensive disinfection effect is achieved, the disinfection efficiency is improved, and the disinfection effect is improved through the ultraviolet disinfection lamps with the two sides capable of being freely adjusted to be 90 degrees and the two arms in an unfolded state. According to the invention, the function of ultraviolet disinfection on the ground is realized, so that the air and the ground are comprehensively and efficiently disinfected, and when the ground is disinfected, the ground can be cleaned by adopting a combined cleaning mode of the side brush, the rolling brush and the mop, so that the sanitary environment of a hospital is improved, and the cleaning and disinfection work of the hospital is more convenient, comprehensive and efficient.

The utility model discloses full-automatic ultrasonic micro-mist deodorization equipment, and belongs to the technical field of deodorization devices. A full-automatic ultrasonic micro-mist deodorization device comprises a shell and further comprises a partition plate fixedly connected in the shell, the partition plate divides the shell into an upper cavity and a lower cavity, the upper cavity is a control chamber, and the lower cavity is an ultrasonic atomization chamber; according to the utility model, the proportioning pump is started through the PLC, so that liquid medicine in the medicine box and clear water in the water tank are mixed in the liquid storage box according to a certain proportion, then the ultrasonic generating device is started, and the mixed liquid is thrown away from the water surface through the ultrasonic integrated atomizer and is atomized into tiny water mist particles of 1-10 microns; and then the mist is output to the ambient air outside the cabinet from the mist discharging pipe, and the tiny water mist particles are combined with odor particles in the external space and react to decompose odor molecules, so that the peculiar smell in the space can be efficiently eliminated.

The application discloses a preparation method of a high-water-flux organic / inorganic composite membrane with hierarchical pore structures, and comprises the following steps: preparing a carboxyl siloxane polymer solid; preparing a primary low-surface-energy silicone sol; preparing a secondary low-surface-energy silicone sol; sequentially depositing the primary low-surface-energy silicone sol and the secondary low-surface-energy silicone sol onto an anodic aluminum oxide support by using ultrasonic atomization and a pore structure grading method; and performing high-temperature post-processing to obtain the high-water-flux organic / inorganic composite membrane with hierarchical pore structures. The composite membrane has the advantages of solvent resistance, high-temperature resistance, ultra-thin thickness, uniform membrane thickness, good membrane surface anti-pollution performance and separation performance, and can be industrialized and applied to a high-temperature wastewater treatment process.

The present application relates to the field of functional tea preparation technology, in particular to a health-preserving black tea rich in dendrobium polysaccharide and a preparation method thereof, comprising the following steps: pre-treating tea fresh leaves by spreading in the dark, subjecting fresh dendrobium strips to successively ultra-low temperature wall breaking, ultrasonic-assisted enzymatic hydrolysis and ultrafiltration purification to obtain a high-activity dendrobium polysaccharide enrichment liquid; subjecting the tea fresh leaves to primary withering by hot air, secondary withering under low oxygen after vacuum pulse spraying of the polysaccharide liquid; pulse gradient rolling of the tea leaves under a low-temperature environment, ultrasonic atomization supplementary spraying of the polysaccharide liquid in the heavy rolling stage; inoculation of the rolled and twisted leaves with a compound microbial inoculum, and fermentation under segmented temperature and oxygen control; and gradient drying by infrared, hot air and microwave. The present application solves the problems of polysaccharide loss and flavor fragmentation of existing dendrobium black tea, can efficiently enrich and stably retain dendrobium polysaccharide, realize deep and uniform loading of the polysaccharide, greatly improve the health-preserving value of the product, optimize the sensory quality of the black tea, coordinate the aroma and taste, and has strong controllability, is suitable for large-scale production, and takes into account the efficacy and drinking taste.