337 results about "Ultrasonic atomization" patented technology

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 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 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 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 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 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 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.

The invention discloses a laser decoherence and holographic display speckle noise suppression system and method based on controllable fog scattering. The system comprises a laser light source module, an optical shaping module, a fog scattering module and a holographic display module which are arranged in sequence. The fog scattering module generates a scattering medium layer composed of micron-sized fog drops in an ultrasonic atomization or airflow disturbance mode, so that the space and time coherence of the collimated laser is reduced under the action of multiple times of scattering, and therefore speckle noise in holographic display imaging is effectively restrained. By adjusting the particle size distribution, the concentration and the disturbance frequency of the fog drops, continuous controllability of the decoherence intensity can be achieved, and the imaging brightness and the imaging definition are both considered. The system is simple in structure and high in compatibility, and can be directly embedded into an existing computer-generated holographic display system without an additional optical modulation device; and meanwhile, the method has the advantages of low cost, high real-time performance, suitability for a multiband laser system and the like, and is suitable for the optical fields of holographic display, laser projection, interference measurement and the like.

The utility model discloses a fresh cut dendrobium nobile flower pretreatment chamber capable of accurately controlling the environment, and belongs to the technical field of flower cultivation. Comprising partition partitions which divide a treatment chamber into a plurality of independent pretreatment areas; each pretreatment area is provided with an independent temperature control assembly; the temperature control assembly is used for regulating and controlling the temperature environment in the pretreatment area; each pretreatment area is provided with an independent ultrasonic atomization assembly; the ultrasonic atomization assembly is used for regulating and controlling the humidity environment in the pretreatment area; each pretreatment area is provided with an independently controllable illumination adjusting assembly; the illumination adjusting assembly is used for adjusting and controlling the illumination environment in the pretreatment area. Each area is subjected to independent environment control, targeted environment parameters are accurately allocated, the fresh cut dendrobium nobile flowers in the current state are made to adapt to the current environment parameters, the later-period bottle inserting life of the fresh cut dendrobium nobile flowers is prolonged, and the flower condition is improved.

The invention belongs to the technical field of medical apparatus and instrument control, particularly relates to an atomization control system for respiratory nursing, and aims to solve the problems of low medicine deposition efficiency, serious waste and incapability of precise medicine administration caused by the lack of the capability of sensing and responding to the real-time respiratory state of a patient in a traditional atomization device. The system comprises a breathing state real-time monitoring module, an aerosol generation and regulation module, an intelligent control center, a man-machine interaction interface and a cloud data collaboration platform. Breathing parameters are collected through a high-sensitivity sensor, the particle size and the output opportunity of fog drops are dynamically adjusted in combination with a dual-mode ultrasonic atomization technology, and accurate inspiration phase dosing is achieved; a self-adaptive learning engine is arranged in the intelligent control center, the breathing cycle can be predicted, atomization can be started in advance, and the response speed is increased; local closed-loop control and remote personalized management are supported, and the medicine utilization rate and treatment compliance are remarkably improved.

The invention belongs to the technical field of waste asphalt mixture regeneration, and discloses an asphalt reclaimed material oilstone separation fine aggregate grading activation plant mixing hot regeneration process based on ultrasonic vibration. Comprising the following steps: (1) ultrasonic vibration oil-stone separation: crushing and screening the waste asphalt mixture, and breaking and separating an aged asphalt film through the synergistic effect of ultrasonic vibration and hot air; (2) grading and activating the fine aggregate: grading the separated fine aggregate by a multi-stage rotary separation bin according to the particle size, and dynamically grinding by combining preheating at 40 DEG C with a silicon carbide grinding rod; (3) blending a composite regenerant and an optimized material, namely uniformly adding the composite regenerant containing petroleum asphalt, waste engine oil, nano silicon dioxide and a hindered amine light stabilizer through ultrasonic atomization; the mixing temperature is 140 to 170 DEG C, and 0.1 to 0.3 percent of rock asphalt modifier is added. According to the invention, the energy consumption is reduced by more than 30%, the dynamic stability of the regenerated mixture is greater than 6000 times / mm, the freeze-thaw splitting strength ratio is greater than or equal to 85%, and the method has high efficiency, economical efficiency and environmental protection property, and is suitable for large-scale regeneration of waste asphalt.

The invention discloses a preparation method of a medical radiopharmaceutical aseptic packaging material, which comprises the following steps: firstly, blending graphene enhanced PET (Polyethylene Terephthalate) and radiation crosslinked polyethylene through a melt extrusion process to form a three-layer composite structure with antibacterial property, mechanical support property and high barrier property; secondly, forming by adopting a laser heat sealing technology, embedding a photochromic microbial indicator, and simultaneously integrating a PTFE (Polytetrafluoroethylene) membrane filter layer and an iodine adsorption pad; then, electron beam irradiation is used for body sterilization, and ultrasonic atomization peracetic acid is used for disinfection; finally, a PVDF-HFP / zinc oxide composite nanofiber membrane is prepared through an electrostatic spinning technology, a PLA buffer layer is sleeved, a temperature-sensitive radiation protection material is pre-buried, and seamless sealing is completed; experimental results show that the novel packaging material not only has excellent antibacterial performance, mechanical strength and chemical stability, but also can effectively improve the shielding efficiency on beta / gamma rays, and ensures the safety and stability of radiopharmaceuticals in the storage and transportation processes.

The invention belongs to the technical field of engineering simulation, and discloses a soft stratum simulation atomization grouting device and method. The device comprises a double-pressure supply device, a slurry storage barrel, an atomizer comprising an atomizing bin and an ultrasonic atomizing sheet, a nozzle, a pressure monitor, a test piece box and a slurry recycling barrel, and all the parts are connected with valves through pipelines to form a complete grouting system. According to the method, slurry is atomized, pressure is regulated and controlled in combination with a double-pressure-supply device, pressure changes are captured in real time in cooperation with a pressure monitor, and slurry diffusion leading edge information is dynamically mastered. According to the method, the technical problems that in the prior art, the adaptability of grout and an unconsolidated stratum is poor, the grouting pressure control precision is low, and effective real-time monitoring is lacked are effectively solved, the permeability and diffusion uniformity of the grout in the stratum are greatly improved, stratum disturbance or structural damage caused by out-of-control grouting is avoided, and the grouting quality is improved. Accurate parameter support is provided for site construction through an indoor simulation experiment, the trial and error cost is remarkably reduced, and the reliability and engineering practicability of grouting reinforcement of the soft stratum are improved.

The utility model relates to the technical field of ultrasonic atomization, in particular to an atomization water spraying leakage-proof system of a cleaning machine. According to the technical scheme, the atomization water spraying leakage-proof system of the cleaning machine comprises an atomization water spraying mechanism and a leakage-proof mechanism; the atomizing water spraying mechanism comprises a main water tank, a first atomizing sheet water tank, a water pump and a second atomizing sheet water tank which are communicated in sequence; the leakage-proof mechanism is arranged on the atomization water spraying mechanism in a communicating mode and used for reducing water pressure borne by the first atomization piece water tank and the second atomization piece water tank and preventing the atomization pieces from leaking water. The utility model provides an atomization water spraying leakage-proof system of a cleaning machine. The atomization water spraying leakage-proof system solves the technical problem that due to the fact that the height difference between a main water tank and an atomization piece water tank is too large, an atomization piece leaks water.

The present application relates to the technical field of pharmaceutical analysis, and specifically discloses a method for detecting the purity of doxycycline for injection. The present application mainly solves the problems caused by ion pair reagent and high-salt buffer in the existing chromatographic method, such as serious pollution of the system pipeline and the chromatographic column, difficulty in connecting with mass spectrometry for impurity structure identification, and insufficient separation degree of key polar impurities such as 4-epi doxycycline. The present application purifies the sample by physical dilution and filtration, and prepares uniform aerosol by ultrasonic atomization. The ion mobility spectrometry technology is adopted to realize the efficient separation of gas-phase ions under a weak electric field according to the difference in ion collision cross section (CCS) value, and the epimer which is difficult to distinguish by traditional methods can be excellently separated. The multi-modal sensor is used to synchronously collect ultraviolet, fluorescent and terahertz multi-dimensional optical signals. Finally, based on the intrinsic physical parameter database, the intelligent analysis is carried out by using the machine learning algorithm, and the qualitative and quantitative results are automatically output.

The invention discloses a method and device for generating charged microparticles through ultrasonic atomization water filtration, and the method comprises the steps: atomizing a liquid medium in a first liquid storage cavity through ultrasonic oscillation, and generating primary atomized gas containing the charged microparticles; the airflow power is provided, and the primary atomized gas is guided to the second liquid storage cavity through the conveying channel; the primary atomized gas enters and penetrates through a liquid medium layer stored in a second liquid storage cavity, large-particle liquid drops in the primary atomized gas are filtered out through the liquid medium layer, and purified gas with tiny charged particles escapes from the liquid level; and finally, discharging the purified gas escaping from the liquid level. According to the device, ultrasonic atomization and water filtration are combined, large-particle water mist is intercepted through the liquid medium layer, only nanoscale charged microparticles are output, high-concentration negative oxygen ions are generated, meanwhile, strong oxidizing by-products such as ozone and nitric oxide which are inevitably generated by adopting a high-voltage discharge structure are avoided, and the device has the advantages that the device is simple in structure and convenient to operate. And the potential safety hazard that high-voltage static breaks through air is eliminated.

The utility model discloses an ultrasonic atomization assembly, which relates to the technical field of atomization equipment, and comprises a box body, a liquid cavity is arranged in the box body, a pipeline communicated with the liquid cavity is arranged on one side of the box body, and an atomization sheet is arranged at the end part of the pipeline; a core material is arranged in the pipeline in a penetrating mode and extends to the atomization piece from the liquid cavity. When the atomization device is used, the atomization sheet is arranged near the position of a glass slide in equipment, liquid in the solution cavity is transmitted to the atomization sheet through the core material, and liquid water molecule structures transmitted by the core material are scattered through high-frequency resonance of the atomization sheet to generate naturally flowing water mist, so that the space where the glass slide is located is kept wet, and the influence on an experiment result due to water loss of a sample is avoided.

The utility model 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.