72 results about "Particle generation" patented technology

According to the mixed phase ice crystal particle ground generation and icing experiment device and method, a water spray head generates a water drop particle swarm, an ice crystal particle generation device generates an ice crystal particle swarm, the water drop particle swarm and the ice crystal particle swarm are mixed in a controllable proportion to form an ice-water mixed phase, and then a mixed phase icing experiment can be achieved. The experimental device comprises an air duct system, a water drop atomization generation system, an ice crystal particle generation system, an impact surface system and a measurement system, the air duct system comprises an axial flow fan, an air duct and an experiment cavity; the impact surface system comprises an impact surface assembly, the water drop atomization generation system and the ice crystal particle generation system are used for providing water drops and ice crystals respectively, the axial flow fan provides high-speed airflow, the water drops and the ice crystals are conveyed through the air duct to impact the impact surface assembly at a high speed, and an impact icing experiment of a mixed phase is achieved; the measuring system is used for measuring the air speed, temperature and humidity in the air duct and measuring the thickness and temperature of an ice layer of the impact surface assembly.

The wastewater treatment system comprises a water inlet unit, a reactor, a separation unit and a circulation unit which are sequentially connected to form a closed-loop system, the water inlet unit is further connected with a chemical dosing unit, the water inlet unit is used for conveying wastewater to the reactor, and the chemical dosing unit is used for adding alkali into the wastewater to adjust the pH value and providing required magnesium ions; a fluidization reaction zone and a separation zone are arranged in the reactor, and the fluidization reaction zone promotes generation and growth of struvite particles through particle collision and aggregation; the separation zone enables generated particles to partially fall back to the fluidization reaction zone for continuous reaction through preliminary solid-liquid separation; the separation unit is used for receiving the wastewater in the separation area, further removing residual particles, and enabling the small particles to flow back to the reactor through the circulation unit for recycling. By optimizing the particle generation, separation and backflow processes in wastewater treatment, the formation of target large particles is promoted, the resource recycling is facilitated, meanwhile, the consumption of chemical agents is reduced, and the cost is reduced.

The invention provides a fluid-solid-heat dynamic simulation method for impeller blade particle impact based on multi-physics field coupling, the physics field in the method comprises a fluid field, a heat transfer field and a structure field, coupling simulation is carried out through data exchange among different software, and the process of particle impact on an impeller blade is calculated and analyzed. The method mainly comprises the following steps: importing an impeller model grid file into FLUENT software, setting a turbulence model and the like, setting parameters such as the density and the viscosity parameter of air fluid along with the temperature change, the rotating speed of a fluid domain and the like, and setting the flow speed and the temperature parameter of an air inlet; in EDEM software, parameters such as the material, the number and the particle generation of particles are set; a UDF script is read in the FLUENT software, a coupling switch of the EDEM software is turned on, and bidirectional coupling simulation of data exchange is carried out; and importing the obtained temperature change range into an elastic-plastic thermal coupling material model of LS-DYNA software, and carrying out explicit dynamic simulation by taking the obtained particle movement speed as the initial speed of the particles impacting the impeller.

The invention discloses a wear resistance detection method and equipment for a gantry machine tool spindle system, and relates to the technical field of machine tool spindle state detection.The method comprises the steps that when a spindle runs, torque and rotating speed signals are collected firstly, and friction power input energy is calculated; synchronously collecting a main shaft and lubricating oil feature set to establish heat loss energy, and calculating acoustic emission energy by using an acoustic emission array; executing oil detection to establish abrasive particle generation potential, and calculating equivalent wear energy to obtain a first path wear detection result; activating the ultrasonic sensor to obtain a second path of wear detection result; and outputting a wear resistance detection result after interactive authentication. The gantry machine tool spindle system wear resistance detection method solves the technical problems that the gantry machine tool spindle system wear resistance detection means is single, the wear state cannot be reflected in real time, only the local physical quantity can be captured, detection data are one-sided, and accuracy and reliability are insufficient, and achieves multi-dimensional real-time comprehensive detection of the gantry machine tool spindle system wear resistance. And the comprehensiveness, the accuracy and the reliability of the detection data are improved.

To provide a magnetic material target which includes, as a main component, Co which is restrained well in generation of particles in producing a sputter membrane, and includes an oxide, and provide a magnetic material target assembly.SOLUTION: A magnetic material target includes any one or more of Pt, Cr, Ru, B, and Ti, and an oxide. The balance includes Co and selectively includes impurities. The sum of concentrations of Co, Pt, Cr, Ru, and Ti is 50 at% or more. The concentration of B is 9 at% or more. The concentration of O is 13.5 at% or more. The oxide includes an oxide of B. A number average area of the oxide is 0.40 μm2 or less.SELECTED DRAWING: Figure 1

The invention provides controllable nitrogen-hydrogen nuclear fusion equipment. The controllable nitrogen-hydrogen nuclear fusion equipment comprises a hydrogen nuclear particle generation device, a nitrogen nuclear generation device, a convolution migration particle accelerator and a focusing reaction field, the hydrogen nuclear particle generation device is provided with a hydrogen nuclear particle outlet, and the hydrogen nuclear particle outlet conveys hydrogen nuclear particles into the rotary migration particle accelerator; the rotary migration particle accelerator comprises a straight line section and an arc section, the hydrogen nuclear particles sequentially penetrate through the straight line section and the arc section to increase the speed, and the hydrogen nuclear particles with the increased speed are conveyed to the focusing reaction field; the nitrogen nuclear particle outlet conveys low-speed nitrogen nuclear particles into the focusing reaction field; the hydrogen nuclear particle beam with the increased speed and the low-speed nitrogen nuclear particle beam are converged towards the center of the focusing reaction field to generate nuclear reaction. According to the cyclotron migration particle accelerator, through the synergistic effect of the linear section and the arc section, hydrogen nucleus particles are accelerated through an electric field, meanwhile, the particles are deflected in the arc section, and repeated acceleration is achieved.

The application discloses a wear resistance detection method and equipment for a gantry machine tool spindle system, and relates to the technical field of machine tool spindle state detection. The method comprises the following steps: when the spindle is running, first, torque and rotating speed signals are collected to calculate friction power input energy; the spindle and lubricating oil characteristic sets are synchronously collected to establish heat dissipation energy, and acoustic emission energy is calculated by using an acoustic emission array; oil detection is performed to establish abrasive particle generation potential, equivalent grinding energy is calculated to obtain a first wear detection result; an ultrasonic sensor is activated to obtain a second wear detection result; and after interactive authentication, a wear resistance detection result is output. The application solves the technical problem that the wear resistance detection means of the gantry machine tool spindle system is single, the wear state cannot be reflected in real time, only partial physical quantities can be captured, and the detection data is one-sided, the accuracy and reliability are insufficient, achieves multi-dimensional real-time comprehensive detection of the wear resistance of the gantry machine tool spindle system, and improves the technical effect of comprehensiveness, accuracy and reliability of the detection data.

The invention discloses an outdoor double-smog chamber system, which comprises two smog chambers with the same structure, namely a reference chamber and a variable chamber, the smog chamber comprises an inner chamber body, a reaction chamber is arranged in the inner chamber body, the outer layer of the reaction chamber is coated with an inert material film, a sample gas collecting and diffusing channel is arranged on the inner chamber body, and the sample gas collecting and diffusing channel is communicated with the reaction chamber; the double-smoke-chamber system further comprises a characteristic substance injection system, a variable injection system and a detection system, the output end of the characteristic substance injection system is communicated with the sample gas collection and diffusion channels on the reference chamber and the variable chamber respectively, and the variable injection system is communicated with the sample gas collection and diffusion channels on the variable chamber; and the detection system is respectively communicated with the reaction chambers on the reference box and the variable box. The invention also discloses a method for simulating the generation of the new particles in the ambient atmosphere. According to the invention, the double smoke chambers can simultaneously capture ambient atmosphere, and sensitive parameters influencing the new atmospheric particle generation process are discriminated and quantified through real-time reference contrast.

The utility model relates to an air purifying, disinfecting and cleaning system for an operating room, which comprises functional modules such as a first box body, a first purifying assembly, a second purifying assembly, a fan, a coil pipe assembly, a first active composite particle generating device and the like. And then the air subjected to primary treatment is subjected to secondary filtration, so that various pollutants such as particulate matters and harmful gases can be efficiently removed. And meanwhile, through precise temperature and humidity adjustment of the coil pipe assembly, it is ensured that outlet air meets the comfort requirement of the operating room. In addition, the first active composite particle generation device can release disinfection factors with strong oxidizing property, and air about to enter the pipeline is continuously sterilized. Meanwhile, intelligent technologies such as power-off emergency power supply and fault monitoring are integrated through the control unit, the anti-interference performance and reliability are greatly improved, and the energy utilization efficiency and economical efficiency are also remarkably improved.

A multi-modal combustion interruption system comprises a detection subsystem configured to identify combustion events, an electromagnetic emission subsystem having pulsed energy source and directional emission structure, a control processor implementing adaptive modulation based on measured combustion response, and a safety enforcement subsystem configured to control emission activation based on presence detection. The system may be configured in various modes from baseline electromagnetic emission through enhanced configurations incorporating optional ionization enhancement, particle generation, and acoustic energy subsystems. Adaptive modulation enables parameter selection based on measured combustion response rather than predetermined values. The modular architecture enables configuration selection based on deployment type and application requirements. Fixed installations may utilize grid power for industrial facility protection. Mobile platforms may employ onboard power for emergency response or wildfire intervention. Configuration selection may consider environmental compatibility including omission of particle generation for water-sensitive equipment environments or incorporation of multiple enhancement subsystems for demanding applications.

The invention relates to the technical field of wafer storage and transportation, and particularly discloses a wafer storage and transportation box which comprises a first cover body and a second cover body. The first cover body and the second cover body are buckled to form an accommodating cavity for storing a wafer; the first cover body is provided with a plurality of limiting structural members which are arranged at intervals in the circumferential direction of the wafer. The limiting structural member is connected with the first cover body through a rotating assembly, and the rotating axis of the rotating assembly is parallel to the plane where the wafer is located; the second cover body is provided with a guide groove, the limiting structural part is provided with an insertion guide part on one side of the rotating axis, and the insertion guide part extends towards the direction of the guide groove. According to the wafer storage and transportation device, safe and reliable storage and transportation of wafers can be achieved, the wafers are prevented from moving and colliding in the transportation process, damage to the wafers and the risk of generating particles are reduced, and the safety of wafer storage and transportation is effectively improved.

The invention belongs to the technical field of cutting simulation, and particularly relates to a modeling and simulation method for a multi-scale particle reinforced composite material. Comprising the steps that a workpiece, a cutter and enhanced particle parameters are input, and the enhanced particle parameters comprise a plurality of scale intervals and particle proportions of all the intervals; the workpiece is divided into a particle area and a non-particle area, and the size and position of the particle area are controlled through cutting area factors; and sequentially generating reinforced particles meeting a mutual noninterference condition and an internal condition in the particle area according to a descending order of the scale intervals, building a cutting simulation model after the particles are generated, and implementing differentiated grid division on the particle area and the non-particle area. Through multi-scale interval division and space partitioning strategies, the problem of insufficient accuracy caused by single particle scale in an existing modeling method is solved, and the simulation efficiency is remarkably improved while the model accuracy is ensured.

A traceable calibration device of particle number (PN) analyzers for vehicle emission includes a particle generation system, used for generating different types of aerosol samples; a solenoid valve system, used for controlling various aerosol samples to quantitatively enter the particle growth system; a particle growth system, used for performing charge classification to obtain doubly-charged-particle aerosol samples, triply-charged-particle aerosol samples and monodisperse aerosol samples, and obtaining grown particle samples by controlling the growth speed of the monodisperse aerosol samples through temperature adjustment; and a particle measurement system, used for measuring electrical current and PN concentration of the grown particle samples. In the present disclosure, the problem of low calibration accuracy of a PN analyzer for vehicle emission in the related art is solved.

Provided is a method of producing a target material with reduced particle generation during sputtering, which is a method of producing a sputtering target material whose material is an alloy M, including a sintering step of sintering a mixed powder obtained by mixing a first powder and a second powder. A material of the first powder is an alloy M1 in which the proportion of a B content is from 40 at. % to 60 at. %. A material of the second powder is an alloy M2 in which the proportion of a B content is from 20 at. % to 35 at. %. The proportion of a B content in the mixed powder is from 33 at. % to 50 at. %. A metallographic structure including a (CoFe)2B phase and a (CoFe)B phase is formed in the sintering step. A boundary length per unit area Y (1 / μm), which is obtained by measuring a boundary length between the (CoFe)2B phase and the (CoFe)B phase using a scanning electron microscope, and a proportion X (at. %) of a B content of the alloy M satisfy the expressionY<−0.0015×(X−42.5)2+0.15.

The application discloses a popcorn raw material screening workshop air filtering system and device, and relates to the technical field of industrial dust removal. The system comprises a micro-mechanical property acquisition module, a flow field fluctuation monitoring module, an environment sensing and adhesion coupling module, a multi-physical field coupling calculation module and a self-adaptive dust cleaning execution module. The anti-breaking strength of raw materials is acquired to construct a crushing particle generation potential factor, and the transient concentration impact load is extracted in combination with the dust concentration time series. Meanwhile, the environmental humidity is introduced to establish a dust capillary adhesion index, so that the dynamic calculation of the dust net deposition mass change rate on the surface of the filter bag is realized. On this basis, the difference relationship between the real-time deposition state and the reference working condition is constructed, and the pulse dust cleaning trigger pressure difference threshold is dynamically adjusted, so that the self-adaptive control of the dust removal system is realized. The application can effectively improve the dust treatment efficiency, reduce the energy consumption, prolong the service life of the filter bag, and is suitable for popcorn raw material screening and other industrial scenes with obvious dust concentration fluctuation.

This invention provides a dustproof mobile workbench, comprising a first mobile component, a second mobile component, a mobile platform, and a transmission component. The second mobile component is sealed and mounted on the first mobile component and reciprocates along the extension direction of the first mobile component. The mobile platform is sealed and mounted on the second mobile component and reciprocates along the extension direction of the second mobile component. The transmission component is connected to one end of the second mobile component and drives the mobile platform to move along the extension direction of the second mobile component. By setting the transmission component to mount the driving component outside the clean environment and using a sealed connection, the particle generation caused by friction is effectively reduced, the maintenance effect of the clean environment is improved, the risk of contamination is reduced, and the transmission efficiency and dustproof performance are improved.

Provided are a method for estimating a flow rate distribution of an injected material, a method for estimating a temperature distribution of an object, a method for designing a spray nozzle, and a method for creating a learned model, which are capable of accurately estimating a flow rate distribution of an injected material injected from a spray nozzle on an injection surface while using a particle method having a track record as a numerical simulation method even for a gas-liquid multiphase fluid.SOLUTION: An inflow particle arrangement interval d ' obtained from a filling rate α of the liquid phase and an initial inter-particle distance d is defined as a particle interval in the particle inflow region, a function of a probability that particles are generated in the particle inflow region is defined as a particle generation rate function P, and coordinates of the injected material in the particle inflow region are represented by the inflow particle arrangement interval d ' and the particle generation rate function P, the particle generation rate function P is calculated in advance by using a flow rate distribution on a test ejection surface measured in advance by using a test spray nozzle having the same shape as the spray nozzle.SELECTED DRAWING: Figure 1

This invention discloses a method and system for point cloud representation that integrates sphere-based and curve-guided methods. The method includes: acquiring raw point cloud data; dividing the raw point cloud data into spheres and sampling boundary points for each generated sphere to obtain sphere boundary sampling points; performing multiple downsampling operations on the sphere boundary sampling points; performing point cloud weaving on the compressed point cloud data at each scale; extracting local point cloud features and curve features from the compressed point cloud data and weaving lines at each scale; and then fusing the local and curve features at each scale to obtain point-line fused features at different scales, forming multi-scale point cloud features. This invention's method can achieve lightweight, high-precision, and high-efficiency 3D point cloud representation while maintaining the integrity of the point cloud's geometric structure.

This application discloses a periscope motor, a camera module, and an electronic device. By providing a first groove and a roller fixed to the first groove on the side surface of the base, and a second groove corresponding to the first groove on the side surface of the mounting base, the roller on the side surface restricts the vertical movement of the mounting base. This reduces the probability of the mounting base impacting adjacent structures upwards or downwards, thereby reducing the risk of particle generation and the probability of dents forming on the base. Furthermore, it reduces the probability of shadows, black spots, or poor focus during imaging.

The present invention provides a method for simulating changes in particle number concentration and particle size spectrum distribution during new particle generation, including calculating relevant characteristic parameters during a new particle generation event; calculating the impact of atmospheric transport on the new particle number concentration during a new particle generation event; determining upper and lower boundaries of the simulation based on actual measurements of the particle number concentration and particle size spectrum distribution; and simulating changes in the particle number concentration and particle size spectrum distribution during a new particle generation event using aerosol dynamics. The present invention improves existing dynamic equations for calculating new particle generation events, considers the impact of atmospheric transport on changes in particle number concentration, and improves the accuracy of simulating changes in particulate matter during new particle generation events. The present invention can quantitatively evaluate the impact of various parameters on the particle number concentration during a new particle generation event, which helps to evaluate the impact of new particle generation events on atmospheric particulate matter. It can also evaluate the causes of atmospheric pollution and provide an analytical method for global climate change analysis.

The application discloses an intelligent control method for a zinc-containing ash tail gas purification system, and relates to the technical field of tail gas purification systems.The method comprises the following steps: firstly, continuously monitoring the condensation process of high-temperature zinc-containing steam in a cooler through a monitoring device, and collecting the zinc steam condensation conditions and particle generation data of the tail gas under different temperature and pressure conditions in real time.The application realizes precise control of the zinc-containing ash tail gas purification system by combining intelligent monitoring, signal analysis, machine learning identification and dynamic regulation.Through real-time monitoring and data preprocessing to extract key features, intelligent identification of particle concentration is realized based on feature vectors and machine learning, the speed of the centrifugal separator is adjusted adaptively, and pulse back-blowing dust removal is linked to ensure efficient separation and system stability.Compared with the traditional fixed speed mode, the application improves the tail gas purification efficiency, reduces the maintenance cost, prolongs the service life of the equipment, and enhances the automatic operation capability, so that the system can maintain the best working state when the load fluctuates.

Disclosed herein are a chamber lid, a processing chamber having the chamber lid, and a method for reducing a particle generation. The chamber lid includes a body including a plasma-facing side; and a protective surface disposed on the plasma- facing side and including a conductive layer. The conductive layer has a thickness of no greater than about 1 um.The protective surface further includes a chemically resistant layer disposed on the conductive layer and having a thickness of no greater than about 5 um. The reactive ion etching chamber includes a plurality of side walls coupled with the chamber lid, and a conductive liner connected to the ground. The conductive layer of the chamber lid is coupled with the conductive liner. The method includes discharging electrons accumulated on the chamber lid via the conductive layer and the conductive liner.

The present application belongs to the technical field of photoetching machine, disclose a kind of rotating device of objective lens diaphragm, comprising: vane support seat;Rotary table, rotatably disposed on the vane support seat;And limiting mechanism, with the vane support seat is connected and along vertical direction elastic point pressure rotary table.Laundry table movement on the surface of vane support seat, limiting mechanism is connected with vane support seat also can along vertical direction elastic point pressure rotary table, on the one hand, limiting mechanism can elastically move, further can resist the vibration and impact of rotary table along vertical direction;On the other hand, point contact between limiting mechanism and rotary table, compared with linear contact and surface contact significantly reduce the contact area, further reduce friction also can reduce particle generation, delay the time of particle contaminant inside objective lens, improve the reliability of the rotating device of objective lens diaphragm.

The invention belongs to the technical field of additive manufacturing, and provides an intelligent wind field wind speed control method and device for additive manufacturing, and the intelligent wind field wind speed control method for additive manufacturing comprises the following steps: S1, data collection; s2, data processing; s3, making a control decision; s4, adjusting is executed; s5, closed-loop feedback is carried out; according to the method, a wind field is accurately adjusted in real time, and the workpiece defect rate is remarkably reduced: through dual-data acquisition of a 3D visual detection camera and a pipeline type wind speed sensor, an adjusting instruction can be generated at the moment when high-risk splashing particles are generated in combination with an SLM exclusive fusion model with response delay smaller than 1 ms; the frequency converter and the air volume control valve driven by the PLC are matched, so that the air speed can be adjusted within 100ms, and the risk of keyhole collapse is effectively eliminated; wind field adjustment is intelligent, and the labor cost is greatly reduced; zoned wind control and energy conservation are realized, and the service life of the field lens is prolonged.

It controls relatively large flow rates while maintaining high control accuracy in the low flow rate range, ensuring stable control accuracy from small to large flow rates. It prevents adverse effects from particle generation, ensuring high reliability and long lifespan. [Solution] The device includes a ring-shaped leaf spring member 5 whose inner circumference 5c is relatively displaceable in the axial direction Fs. The outer circumference 5f of the leaf spring member 5 is fixed to the housing 2h by arranging the leaf spring member 5 coaxially with respect to the solenoid part 2, and the inner circumference 5c of the leaf spring member 5 is fixed to the movable part 3.

Provided are a mask system for inhibiting aerosol escape based on negative electric particles and a use method therefor. The mask system comprises a mask and a negative electric particle generation apparatus. The mask comprises a mouth mask body, which comprises a mouth negative electric particle interface. The mouth negative electric particle interface is connected to the negative electric particle generation apparatus. The negative electric particle generation apparatus comprises a circuit board and a negative electric particle releasing plate. The negative electric particle releasing plate forms a plurality of discharge bodies, and the circuit board is connected to the negative electric particle releasing plate, such that the discharge bodies generate negative electric particles. Negative electric particles generated by the negative electric particle generation apparatus can be introduced into the mouth mask body via the mouth negative electric particle interface to promote the settlement of aerosol in the mask.

The invention discloses a method and device for controlling a particle laying path and a related product. And generating particles on the paving line according to the particle parameters. The presence time of the particle is counted from the time at which the particle is generated, and the display radius of the particle, which becomes smaller as the presence time increases, is calculated in real time on the basis of the particle parameter and the presence time. When the display radius is smaller than the preset value, the particles are controlled to be dissipated from the paving line, and the problems that the calculation amount is too large and a central processing unit operates for a long time with high load due to unlimited increase of the particle number are solved. According to the particle dissipation mechanism, the calculation amount can be reduced, the stability of the central processing unit is improved, and the stability of the reality head-up display system is enhanced. Therefore, guidance can be provided for the driver continuously and reliably, traffic dangers caused by wrong guidance are avoided, and the driving safety is effectively improved.

The invention relates to the technical field of precision mechanical transmission, in particular to a ball screw for assisting a transmission device to operate efficiently, which comprises a screw body, a nut assembly, a static base and a fluid regeneration module, cooling liquid is directly and accurately sprayed to a core heat source of a ball-raceway contact area, impact type efficient heat exchange is achieved, and the service life of the ball screw is prolonged. The temperature rise of the screw rod can be effectively controlled, so that the positioning error caused by thermal elongation is obviously reduced, an active cleaning system is constructed, a circularly flowing working fluid continuously scours a roller path and the surface of a ball, generated abrasive particles and invaded pollutants are taken away, and the service life of the roller path and the ball is prolonged. And efficient removal is carried out through a magnetic separator and a precision filter in the fluid regeneration module, so that the vicious circle of abrasive particle generation-abrasion aggravation is fundamentally broken through, traditional regular maintenance and passive bearing are converted into online cleaning and active prevention, the service life of the ball screw is greatly prolonged, and the precision retentivity of the ball screw is greatly improved.

A high-quality decontamination fluid is supplied to the area to be decontaminated at a sufficient flow rate. [Solution] A decontamination fluid supply device that supplies decontamination fluid to a space to be decontaminated includes a particle generation unit that atomizes the decontamination liquid to produce fine particles for decontamination. The particle generation unit is located at the bottom of the case and has a plurality of spray nozzles that atomize the decontamination liquid using pressurized gas to produce fine particles of the decontamination liquid. The case is provided with a plurality of pressurized gas supply ports for supplying pressurized gas to each of the plurality of spray nozzles. Each spray nozzle includes a pressurized gas discharge path having a pressurized gas discharge port for discharging pressurized gas, and a liquid discharge path having a liquid discharge port for discharging the decontamination liquid stored at the bottom of the case. The negative pressure created by discharging pressurized gas from the pressurized gas discharge port draws the stored decontamination liquid through the liquid discharge path to the liquid discharge port, where it is atomized when it merges with the pressurized gas discharged from the pressurized gas discharge port.

The application belongs to the technical field of ice particle jet, and particularly relates to a device and a jet method for preparing straight-rotation mixed ice particle jet by using high-pressure superheated liquid flash evaporation, which comprises a high-pressure superheated liquid supply system and a water supply system, the high-pressure superheated liquid supply system and the water supply system are respectively connected with a straight-rotation mixed ice particle generation jet, the straight-rotation mixed ice particle generation jet system is connected with a recovery system, the recovery system is connected with the high-pressure superheated liquid supply system through a pipeline, the straight-rotation mixed ice particle generation jet system comprises a double-layer sleeve, the inner layer of the double-layer sleeve is connected with the water supply system, the outer layer is connected with the high-pressure superheated liquid supply system, an impeller is arranged at the outlet of the double-layer sleeve, a convergent atomizing nozzle is arranged at the outlet of the impeller, a protective shell is arranged outside the convergent atomizing nozzle, the convergent atomizing nozzle and the impeller center line are coincided with the inner layer, and the superheated liquid flash evaporation in the application has high refrigeration power and high speed, and can complete ice particle preparation in a short time.