28 results about "Particle technology" patented technology

The invention discloses a sleep intervention robot based on five-dimensional space-time cooperation (time, space, physiology, environment and behavior) and multi-scene self-adaption. Through a four-dimensional core module (physical / chemical / biological / information) and a five-dimensional cooperation mechanism (Qtotal = summa t.x dt), and in combination with a 77GHz FMCW radar and an ultrasonic solid-state particle technology, full-scene efficient sub-health conditioning is realized. The core innovation is as follows: an efficient herbal absorption system improves the herbal absorption efficiency by 37.8%; accurate biological signal monitoring is achieved, and 95.8% sleep state recognition accuracy is achieved; the differential radar design is adopted, and the speed resolution reaches 0.1 m / s. Through fusion of traditional Chinese medicine herbs and physical modules, an intervention strategy is dynamically adjusted, and the sleep quality is remarkably improved (the PSQI score is reduced by 14.1 scores). The system is suitable for medical, household, aviation and other scenes.

The utility model relates to the technical field of plastic particles, in particular to an energy-saving extrusion temperature control unit for plastic particles. The discharging device comprises a discharging box, and the bottom of the discharging box is movably connected with a plurality of disassembling and assembling assemblies; the end, penetrating out of the discharging box, of the dismounting and mounting assembly is fixedly connected with a valve assembly, the end of the valve assembly is fixedly connected with constant-temperature pipes, the bottoms of the constant-temperature pipes are fixedly connected with grain plates, and the multiple constant-temperature pipes are in different temperature environments. A plurality of constant-temperature pipes with different temperatures are conveniently installed at the bottom of the discharging box through the dismounting and mounting assembly, materials are poured into the discharging box, the materials in the discharging box are conveyed into the valve assemblies while being stirred through rotation of the pushing assembly, the materials enter the constant-temperature pipes conveniently by adjusting the valve assemblies, and the materials are conveyed into the discharging box through the valve assemblies. Plastic particles at different temperatures can be conveniently granulated at the same time through a plurality of constant-temperature pipes at different temperatures, and materials in the constant-temperature pipes are extruded out of round holes of a granule plate through rotation of a conveying assembly.

The present invention provides a device and method for in-situ deposition preparation of a supported nano-oxygen carrier by flame synthesis. It includes a three-dimensional translation stage and a deposition device. By using the above-mentioned preparation device, the preparation of supported nano-materials can be realized. The system combines the flame synthesis of nano-particles technology with the chemical vapor deposition technology, and can directly prepare in-situ a composite material loaded with active components of the nano-oxygen carrier. It can achieve precise control of the particle size distribution, morphology size and crystal phase purity of the supported nano-oxygen carrier particles, greatly expand the structure and components of the supported nano-oxygen carrier particle materials, significantly increase the yield of the supported nano-oxygen carrier particle materials, and can achieve industrial scale-up of the preparation of the in-situ supported nano-oxygen carrier particle materials by flame synthesis.

The utility model relates to the technical field of plastic particles, and discloses a drying device for toy plastic particle processing, which comprises a drying box, the top of the drying box is fixedly connected with a connecting pipe, the left side of the connecting pipe is fixedly connected with a filter box, and the inside of the filter box is rotatably connected with a filter cartridge. A brush located on the lower side of the filter cylinder is fixedly connected to the interior of the filter box, a limiting ring is fixedly connected to the top of the drying box, a material receiving barrel is clamped to the inner wall of the limiting ring, and the same corrugated pipe is arranged on the outer side of the material receiving barrel and the outer side of the filter box; the top of the drying box is fixedly connected with a fixing part located on the left side of the filtering box. The drying device for toy plastic particle processing has the advantages that small plastic particles generated in air in the plastic particle drying process are filtered, and environment pollution and harm to human bodies are avoided.

The utility model relates to the technical field of plastic particles, in particular to intelligent temperature control plastic particle melt extrusion equipment. The device comprises a workbench, a cutting frame is fixedly connected to the top of the workbench, a first motor is arranged in an inner cavity of the cutting frame, a threaded rod is rotatably connected to the side, away from the cutting frame, of the first motor, a cutting blade is movably connected to the surface of the threaded rod, and a sliding block is fixedly connected to the bottom of the cutting blade; a sliding groove is formed in the top of the workbench, a storage box is movably connected to the side face of the workbench, and the sliding block is arranged in an inner cavity of the sliding groove and movably connected with the sliding groove. The first motor drives the cutting blade and the sliding block at the bottom of the cutting blade to move back and forth, extruded plastic particles are cut into the needed length, and therefore the problem that plastic particle production can be completed only through two devices is solved.

The utility model relates to a medical gas system calibration device which comprises a test module, a control module and a display module, and the control module is connected with the display module. The testing module comprises a testing pipe and a testing assembly, the testing pipe comprises a main pipe and a first branch pipe, the testing assembly comprises a flow meter, a particle counter and an oxygen measuring probe, one end of the main pipe is a positive pressure connecting end, the other end of the main pipe is a negative pressure connecting end, the flow meter is arranged in the main pipe, and a control valve is further arranged on the main pipe part between the flow meter and the positive pressure connecting end; one end of the first branch pipe is communicated with the side face of the positive pressure connecting end of the main pipe, the other end of the first branch pipe is a particle counter connector and is connected with a particle technical device, and a normally-closed first electromagnetic valve is arranged on the first branch pipe; the flow meter, the first electromagnetic valve and the oxygen measuring probe are all connected with the control module. The device is high in integration degree, calibration efficiency can be greatly improved, and field calibration of a centralized oxygen supply system, a centralized suction system and an air supply system in a medical gas system is achieved.

The utility model relates to the technical field of plastic particles, in particular to a plastic particle bale breaker which comprises a roller conveyor, and a grabbing mechanism is arranged at the tail end of the roller conveyor. The roller conveyor conveys packaging bags to the tail end, the grabbing mechanism grabs the packaging bags and transfers the packaging bags to the crushing mechanism, the unpacking efficiency is greatly improved, the manual operation intensity is reduced, in the crushing mechanism, the driving mechanism drives a fixed shaft tooth roller and a movable shaft tooth roller to rotate stably, the distance between the two tooth rollers can be changed by rotating a rotating ring adjusting screw rod, and the crushing efficiency is improved. The device is simple in structure and suitable for plastic particles with different caking sizes, small-particle caking or large-block hard caking can be effectively treated, when the plastic particles which are affected with damp, absorb moisture and agglomerate enter the crushing box, the plastic particles can be crushed according to the requirement of follow-up production for the granularity under the extrusion action of the fixed shaft tooth roller and the movable shaft tooth roller, and therefore it is guaranteed that the production process is conducted smoothly, and the production efficiency is improved. And uniform granularity of plastic particles is ensured, so that the product quality is improved, and the risk of production stagnation caused by particle caking is reduced.

The utility model discloses a high-energy particle injection device, which belongs to the technical field of high-energy particles, and comprises a base, the top of the base is fixedly connected with an injector body, the top of the base is fixedly connected with a protection mechanism, the surface of the protection mechanism is bolted with a fixing assembly, and the protection mechanism comprises a limiting seat, a protection plate and an insertion plate assembly. Firstly, the injector body and the protection mechanisms are fixed through the base, then protection on the injector body is achieved through mutual cooperation of the protection mechanisms, the situation that radioactive radiation and high-energy particle beams generated when the injector body works affect personnel safety and equipment is avoided, and then the fixing assembly is fixed through the protection mechanisms; the effect of improving the stability of the protection mechanism is achieved through the fixing assembly, the limiting base is fixed through the base, then the protection plate is fixed through the limiting base, the insertion plate assembly is fixed through mutual cooperation of the protection plate and the limiting base, and finally the effect of protecting radiation and particle beams is achieved through the insertion plate assembly.

This invention discloses a crushing device for recycling plastic particles from waste materials, relating to the field of plastic particle technology. It includes a crushing and recycling bin, a fixed motor fixedly connected to one side of the bin, and a connecting pipe fixedly connected to the other side. A feeding trough is fixedly connected to the top of the connecting pipe. An auxiliary feeding mechanism is installed inside the feeding trough. By using this mechanism, when a large number of plastic particles are fed into the feeding trough, an electric air pump is activated to blow air upwards rapidly. The electric air pump continuously blows air upwards through an annular jet vent at the top, creating an upward airflow at the center of the feeding trough. This allows the plastic particles, which accumulate in the feeding trough and fall through the gap between the electric air pump and the feeding trough, to be more evenly dispersed and fall. By continuously pushing the plastic particles, the problem of agglomeration, jamming, and clogging during the falling process is reduced.

The application discloses a mixing process prediction method based on particle contact number, and relates to the fields of powder engineering and particle technology. The method obtains a benchmark mixing equation by carrying out a particle mixing experiment by using a benchmark rotating drum reactor; the scale of the benchmark rotating drum reactor is smaller than a scale threshold; a numerical model of the benchmark rotating drum reactor under different scale amplification coefficients is established, and particle mixing process numerical simulation is carried out to obtain mixing equations of the rotating drum reactor under different scale amplification coefficients; the variation law of parameters in the mixing equations is confirmed by comparing the mixing equations; the mixing equation of a rotating drum reactor to be studied is determined according to the variation law; the scale of the rotating drum reactor to be studied is larger than the scale threshold; and the particle mixing process of the rotating drum reactor to be studied is obtained according to the mixing equation of the rotating drum reactor to be studied. The application can realize accurate simulation and prediction of the particle mixing process of the small-scale rotating drum reactor amplified to the large-scale rotating drum reactor.

The utility model provides a raw material mixing device for processing PPA resin particles, and belongs to the technical field of PPA resin particles, the raw material mixing device comprises a mixing barrel, a uniform mixing assembly and a quantitative blanking assembly, the quantitative blanking assembly comprises a connecting groove formed in the top of the mixing barrel, and the top of the connecting groove is hermetically communicated with a feeding box; the top of the feeding box is in sealed communication with a flow sensor, the top of the flow sensor is in sealed communication with an electric valve, the top of the electric valve is in sealed communication with a conveying box, the top of the conveying box is in sealed communication with a connector, two first hinge seats are arranged at the top of the inner wall of the mixing barrel, and fixing blocks are hinged to the ends of the two first hinge seats. A sealing plate is arranged at the ends of the two fixing blocks, a weighing device is arranged at the top of the sealing plate, a groove is formed in the bottom of the sealing plate, a sliding block is slidably connected into a sliding groove, a second hinge seat is arranged at the bottom of the sliding block, and an electric telescopic rod is hinged to the interior of the second hinge seat through a hinge.

The present invention relates to a glass particle manufacturing system, which relates to the technical field of glass particles and solves the problem of irregular particle surface quality. The system comprises a base and a crucible connected to the top of the base for making glass droplets. A cooling chamber filled with coolant is provided in the base, a cover is provided on the top of the cooling chamber, a drop hole communicating with the inner cavity of the cooling chamber is provided on the cover, two circles of vortex-shaped material guide tracks are provided on the top surface of the cover, one end of the material guide track is provided with a material receiving end which rotates inwardly to be close to the drop hole, and a push plate installed at the material receiving end is used to drop the cooled droplets along the track into a collector for collection. The collector in the present invention is a cooling chamber filled with a large amount of coolant. Finally, the droplets fall into the cooling chamber and are thoroughly immersed in cooling, thereby improving the surface quality of the particle products obtained.

The utility model belongs to the technical field of hemostatic particles, and particularly relates to a procoagulant hemostatic particle structure which comprises first powder, second powder and third powder, a first groove is formed in the outer side wall of the first powder, three supporting plates are assembled in the first powder, a connecting rod is connected among the three supporting plates, and the connecting rod is connected with the second powder. A second groove is formed in the outer side wall of the supporting plate, and a first protruding block is connected to the inner side wall of the second powder body. According to the utility model, the first convex block is embedded with the second groove, and the first convex block is matched with the first groove, so that the first convex block, the second groove and the first convex block cooperate with each other, and the stability of connection between the first powder and the second powder can be effectively enhanced. And then, the second convex block is embedded and clamped into the third groove, so that firm connection between the second powder and the third powder is ensured. When the hemostasis particle structure is in contact with the blood of a patient to play a hemostasis role, the situation of unstable connection among powder can be avoided to a great extent, and the reliability of the hemostasis process is ensured.

This invention belongs to the field of nuclear fuel technology, specifically relating to a method for processing a finned microchannel plate-shaped fuel element. The processed plate-shaped fuel element employs dispersed TRISO-coated fuel particle technology. By strategically depositing TRISO-coated fuel particles in a high-temperature resistant, thermally conductive dispersed heat transfer agent and welding airfoil fins onto the fuel plate, the power distribution of the plate-shaped fuel element is flattened, the overall heat exchange area is increased, and the structural strength and safety of the fuel element are enhanced.

The utility model relates to the technical field of plastic particles, and discloses a plastic particle drying device which comprises a drying chamber, a partition plate is fixedly connected to the middle of the interior of the drying chamber, an air heater is arranged at the bottom of the partition plate, a drying cylinder is arranged at the top of the partition plate, a motor is fixedly connected to the exterior of the drying chamber, and a rotating shaft is fixedly connected to the output end of the motor. One end of the rotating shaft rotationally penetrates through the side wall of the drying chamber and is fixedly connected with one end of the drying cylinder through a rotating assembly, two axial flow fans are arranged at the top of the drying chamber, and air outlet holes are formed in the top of the drying chamber; according to the plastic particle drying device, by arranging the drying cylinder, the threaded cover and the material containing mechanism, plastic particles can roll and be evenly heated in the drying process, water vapor generated in the drying process is discharged through an axial flow fan, the drying process is accelerated, the plastic particles in the drying cylinder can be completely scraped through a scraping plate, the plastic particles are scraped into a material containing frame, and the drying efficiency is improved. And the effects of efficient and uniform drying and convenient and complete discharging are achieved.

The utility model belongs to the technical field of sulfur granules, and particularly discloses a drying device for sulfur granulation, which comprises a drying box, an obliquely arranged material carrying plate is connected in the drying box, the material carrying plate is connected with a vibration motor, two ends of the material carrying plate extend out of the drying box, and a plurality of material guide raised lines are connected onto the material carrying plate. A hot air mechanism is fixedly connected below the material carrying plate in the drying box, a plurality of ventilation through holes are formed in the position, above the hot air mechanism, of the material carrying plate, and a dust collection mechanism is fixedly connected to the top of the drying box. According to the sulfur particle drying device, the material carrying plate provided with the vibration motor is obliquely arranged in the drying box, the ventilation through holes are formed in the material carrying plate, and the hot air mechanism is arranged below the ventilation through holes, so that sulfur particles on the material carrying plate are subjected to hot air drying; and the continuously vibrating material carrying plate shakes and disperses the sulfur particles on the material carrying plate, so that bridging crystallization among the sulfur particles is avoided, and the caking phenomenon of the sulfur particles during drying is prevented.

This invention relates to the field of particle separation technology in liquids and gases, and discloses a purification and energy-saving device for avoiding dust pollution at civil construction sites. The device includes: a water receiving box, fixedly installed at the bottom inside the construction site enclosure; the water receiving box integrates a spray direction adjustment component and an energy-saving purification component; the spray direction adjustment component includes an adjustment arm, an adjustment push rod, and a spray pipe; the adjustment arm consists of two hinged arm sections, and the two ends of the adjustment push rod are rotatably connected to the upper and lower ends of the adjustment arm; the spray pipe is fixedly connected to the top of the adjustment arm, and spray heads are arranged in an axial array on the spray pipe; this invention, through the spray direction adjustment component and combined with real-time dust concentration, wind speed, and wind direction data collected by construction site environmental monitoring equipment, intelligently controls the extension and retraction of the adjustment push rod, thereby adjusting the rotation angle of the adjustment arm so that the spray direction of the spray pipe forms a parabolic trajectory inclined from bottom to top.

The invention discloses a plastic particle screening and drying integrated device with good flame retardance, and relates to the technical field of plastic particles, the plastic particle screening and drying integrated device comprises a rack, the top end of the rack is fixedly connected with a fixing frame, the outer surface of the fixing frame is fixedly connected with a first supporting rod, and the top end of the first supporting rod is fixedly connected with a guide frame; the inner wall of the guide frame is fixedly connected with a connecting box, the upper surface of the connecting box is fixedly connected with a feeding and drying mechanism, the feeding and drying mechanism comprises a drying box, and the drying box is fixedly connected to the upper surface of the connecting box; a stirring mechanism is arranged on the inner wall of the fixing frame, the stirring mechanism comprises a forward and reverse rotation motor, the forward and reverse rotation motor is fixedly connected to the inner wall of the fixing frame, and the output end of the forward and reverse rotation motor is fixedly connected with a rotating rod; the left side of the upper surface of the guide frame is fixedly connected with a discharging pipe, and the effect of fully screening and drying the plastic particles is achieved.

The utility model relates to the technical field of plastic particles, and provides a raw material cutting device for plastic particle production, which comprises a bottom plate and a movable frame, the axis of the movable frame is rotatably connected with a rotating rod, the bottom end of the rotating rod is fixedly connected with an air cylinder, the lower surface of the air cylinder is fixedly connected with a mounting block, and an output shaft of the air cylinder is in transmission connection with a blade. The adjusting assembly is arranged to clean and scrape different blade oblique angles, the output shaft of the air cylinder drives the blade to slide in the inner cavity of the mounting block, the blade moves upwards or downwards and drives the cleaning blocks on the two sides to move outwards at the same time, the cleaning blocks drive second springs to be compressed through connecting rods, and therefore the blade can be cleaned and scraped. And meanwhile, a connecting rod compresses a first spring through a movable plate, the bevel angle of a cleaning block is tightly attached to the surface of the bevel angle of the blade under the dual resilience force of the first spring and a second spring, a tool bit and the surface of the blade are cleaned under pushing of an output shaft of an air cylinder, and the practicability of the device is improved.

The utility model relates to the technical field of plastic particles, in particular to a plastic particle drying device which comprises a box body, a drying mechanism is arranged on the side wall of the box body, an installation box is fixedly connected to the side, away from the drying mechanism, of the box body, a fixing block is fixedly installed in the installation box, and a driving mechanism is arranged in the fixing block. A U-shaped plate is fixedly mounted in the mounting box, rotating columns are rotationally mounted on the two sides of the U-shaped plate, connecting rods are fixedly mounted on the side walls of the rotating columns, and a material shoveling plate is fixedly connected to the other ends of the connecting rods. According to the plastic particle drying device, the shoveling plate, the sealing cloth, the connecting rod, the rotating column, the connecting rod, the driving mechanism and the drying mechanism are arranged, the shoveling plate is driven by the driving mechanism to rotate around the axis center of the rotating column, and then plastic particles in the box body are rolled and dried; the mode is better in drying effect and short in time consumption.

The invention relates to the technical field of liquid separation of particles in gas, and discloses a purification energy-saving device capable of avoiding civil construction site dust raising, the purification energy-saving device comprises a water receiving box, the water receiving box is fixedly installed at the bottom of the inner side of a construction site fence, and a spraying direction adjusting assembly and an energy-saving purification assembly are integrally arranged on the water receiving box; the spraying direction adjusting assembly comprises an adjusting arm, a position adjusting push rod and a spraying pipe, the adjusting arm is composed of two arm bodies which are hinged, and the two ends of the position adjusting push rod are rotationally connected with the ends of the upper arm body and the lower arm body of the adjusting arm respectively; the spraying pipe is fixedly connected to the top end of the adjusting arm, and spraying heads are arranged on the spraying pipe in an array mode in the axial direction. According to the invention, through the spraying direction adjusting assembly, in combination with dust concentration, wind speed and wind direction data collected by construction site environment monitoring equipment in real time, the expansion amount of the position adjusting push rod is intelligently controlled, so that the rotation angle of the adjusting arm is adjusted, and a parabolic trajectory inclined from bottom to top is formed in the spraying direction of the spraying pipe.

The utility model relates to the technical field of plastic particles, in particular to a sorting device for plastic particle production. The sorting device comprises a screening barrel, a screening net is movably arranged in an inner cavity of the screening barrel, a first motor is fixedly connected to the bottom of an inner cavity of the screening net, and an output shaft of the first motor is fixedly connected with the screening net. A connecting block is fixedly connected to the lower portion of the first motor, a driving rod is fixedly connected to the lower portion of the connecting block, a driving wheel is hinged to the lower portion of the driving rod, a second motor is fixedly connected to the upper portion of an inner cavity of the screening barrel, an eccentric disc is fixedly connected to an output shaft of the second motor, and the upper portion of the eccentric disc movably makes contact with the lower portion of the driving wheel. By utilizing the cooperative use of the structure, the plastic particle conveying device has the following advantages that plastic particles reserved on the surface of the screening net can be quickly conveyed to the outside of the device, so that manual cleaning is avoided, the operation efficiency is improved, and the problem that the surface of the screening net is blocked is also avoided.

The invention relates to the technical field of plastic particles, in particular to a crosslinked polyethylene online production monitoring method and system. Firstly, reaction data, production data and image data are obtained; then, identifying the image data by using a crosslinked polyethylene feature identification model, and calculating according to the reaction data, the production data and model output data to obtain a first crosslinking degree monitoring value and a second defect feature monitoring value; the first crosslinking degree monitoring value and the second defect characteristic monitoring value are used for evaluating the crosslinking degree and the defect degree, so that the accuracy and the reliability of online production monitoring of the crosslinked polyethylene are improved; then, comprehensively evaluating the first crosslinking degree monitoring value and the second defect characteristic monitoring value to obtain a production quality monitoring value; and finally, comparing the production quality monitoring value with a production quality monitoring threshold value, if the production quality monitoring value exceeds the threshold value, judging that the product is unqualified, otherwise, generating environment temperature monitoring information according to a data result of the temperature prediction model.

The utility model relates to the technical field of plastic particles, and discloses a separating and deslagging device for plastic particle processing, which comprises a box body, the top end of the box body is fixedly connected with two groups of fixed seats, the inner walls of the two groups of fixed seats are fixedly connected with fixed rods and rotatably connected with screw rods, the outer walls of the fixed rods are slidably connected with moving blocks, and the moving blocks are fixedly connected with the fixed rods. And one side of the outer wall of the moving block is in threaded connection with the screw rod. When plastic particles are discharged, a second motor is started to enable a screw rod to rotate on the inner wall of a fixed seat, so that a moving block is driven to move along a fixed rod and the outer wall of the screw rod, and a clamping block can be driven to move through movement of the moving block, so that a rotating shaft and an electromagnet are driven to move at the top end of a lower feeding port; and when the moving block moves, a moving plate can be driven to move on the inner wall of the sliding groove, a third motor can be driven to move through movement of the moving plate, and therefore the first gear and the second gear can be kept at the same position all the time.

The utility model relates to the technical field of thermoplastic resin particles, and discloses a recyclable thermoplastic resin particle cooling device which comprises a water tank, two supporting plates are fixedly connected to the inner wall of the water tank, a coarse filter screen is arranged at the tops of the two supporting plates, and inserting blocks are fixedly connected to the four corners of the bottom of the coarse filter screen. Two inserting grooves are formed in the tops of the two supporting plates, an angle plate is fixedly connected to the bottom of the inner wall of the water tank, an L-shaped plate is fixedly connected to the bottom of the outer wall of the water tank, a filtering box is fixedly connected to the bottom of the inner wall of the L-shaped plate, and a fine filtering net is slidably connected between the inner walls of the filtering box. Water in the water tank can be pumped away through the filter tank, the coarse filter screen and the fine filter screen by starting the water pump and opening the third electromagnetic valve, large particles are filtered through the coarse filter screen firstly, then the water is conveyed through the first connecting pipe, and the water is conveyed into the filter tank and filtered through the fine filter screen.

The invention relates to the technical field of plastic waste recycling and granulation, in particular to an XPE foam material regeneration granulator which comprises a feeding mechanism, an automatic flip heating tank is arranged on one side of the feeding mechanism, a stirring and extruding device is arranged at the bottom of the automatic flip heating tank, and a cold water tank is arranged on one side of the stirring and extruding device. An automatic pelletizing device is arranged on one side of the cold water tank; the problems that common XPE foam material regeneration granulation equipment is low in automation degree, uneven in heating and inaccurate in grain cutting are solved, an electromagnetic induction coil is controlled through an external computer, set current and voltage are given to the electromagnetic induction coil, an iron heating tank is heated through electromagnetic induction heating, and the purpose of improving the grain cutting efficiency is achieved. The first servo motor drives the cage-shaped cleaning frame to rotate so as to achieve the uniform heating effect, and meanwhile, the cage-shaped cleaning frame is attached to the inner surface of the heating tank, so that the materials can be prevented from being attached to the inner wall of the heating tank, and the materials can be continuously turned over in the heating process.

The invention relates to the technical field of image analysis, and discloses a method and system for selecting continuous irregular single particles of a cryoelectron microscope, and the method comprises the steps: obtaining a cryoelectron microscope picture, analyzing the cryoelectron microscope picture, and obtaining a preliminary marking track; performing interpolation correction on the preliminary mark track to obtain a corrected mark track; and generating a plurality of protein particle data according to the correction mark trajectory, and outputting the protein particle data. It can be seen that aiming at the defect that continuous irregular particles with low signal-to-noise ratios cannot be accurately selected in the existing cryoelectron microscope single-particle technology, the method comprises the following steps: preliminarily analyzing a cryoelectron microscope picture to obtain a small number of mark points as a preliminary track, and then performing interpolation correction on the preliminary mark track to obtain a small number of mark points; and finally, generating a protein particle data file, and quickly and accurately completing the selection of the protein particles.