276 results about "Particle material" patented technology

The invention relates to the field of cold spraying, in particular to a cold spraying particle critical speed prediction method, electronic equipment and a medium. The cold spraying particle critical speed prediction method comprises the steps of inputting cold spraying particle sample data into a gradient lifting regression tree model and a correlation analysis model to obtain target features; the cold spraying particle sample data comprises cold spraying particle material parameters and critical speed; the target features are cold spraying particle material parameters input into the prediction model; inputting the target characteristics of the cold spraying particles to be measured into a critical speed prediction model to obtain the critical speed of the cold spraying particles; the critical speed prediction model is a neural network model optimized by adopting target features in cold spraying particle sample data, a genetic algorithm and a Levenberg-Marquardt back propagation algorithm. According to the method, the cold spraying ion critical speed prediction efficiency and reliability can be improved.

The invention provides a mixing device and a mixing method for neodymium-iron-boron magnet production, and belongs to the technical field of mixing devices.The mixing device comprises a mixing tank body, a detachable top cover is arranged at the top of the mixing tank body, a screening assembly and an airflow crushing assembly are arranged at the top of the top cover, the screening assembly comprises a screening box, and the screening box is arranged at the top of the top cover; the airflow crushing assembly comprises an airflow crushing bin, one side of the screening box is connected with the airflow crushing bin, a stirring cavity is formed in the mixing tank body, a stirring assembly is arranged in the stirring cavity, the stirring assembly comprises a separation cover and two sets of spiral material turning blades, and the separation cover divides the stirring cavity into an inner mixing cavity, a material turning cavity and a top mixing cavity. A plurality of groups of communicating grooves for communicating the inner mixing cavity with the material turning cavity are formed in the bottom end of the separation cover; the two groups of spiral material turning blades are positioned in the material turning cavity; through the arrangement of the airflow crushing assembly, large-particle materials can be crushed into fine particles; and through the arrangement of the stirring assembly, the materials can circulate in different chambers, and uniform mixing of the materials is ensured.

The invention relates to the technical field of material transportation, in particular to a conveying pressure control method and device of a powder and particle pneumatic conveying system. The method comprises the steps that the material humidity, the conveying pressure and the air speed of a frequency conversion fan are obtained; determining a humidity adjusting coefficient; in the pressurization stage, a suppression coefficient is determined according to the current wind speed and the target wind speed; according to the humidity adjustment coefficient and the inhibition coefficient, inhibiting the proportionality item to obtain a target proportionality coefficient; enhancing the differential term in combination with the humidity adjustment coefficient and the pressure deviation to obtain a target differential coefficient; in the pressure reduction stage, the standard humidity is compared with the air speed and the conveying pressure under the material humidity at the current sampling moment and the humidity adjusting coefficient, the integral item is adjusted, and a target integral coefficient is obtained; and adjusting the conveying pressure based on the adjusted PID coefficient. The problem of asymmetry of bidirectional adjustment of pressurization and depressurization can be solved, the adjustment logic is optimized, and the conveying efficiency and stability of pneumatic conveying of powder and particle materials are improved.

The utility model discloses an automatic material arranging and transferring device, which relates to the technical field of material conveying equipment, and comprises a rack, a feeding mechanism, a material arranging mechanism, a transferring mechanism and a conveying mechanism, the feeding mechanism comprises a temporary storage bin, a discharge port is arranged on one side of the temporary storage bin, a material blocking mechanism is arranged at the discharge port, the material arranging mechanism comprises a material arranging disc, and the transferring mechanism comprises a material conveying disc. A plurality of containing grooves are distributed in a bottom plate in an array mode, one side of a material arranging disc is open, a material returning bin is arranged below the material arranging disc, and a swing mechanism is arranged at the bottom of the material arranging disc. The transferring mechanism comprises a linear moving module arranged above the feeding station of the material arranging mechanism and the feeding station of the conveying mechanism in a striding mode, a lifting air cylinder connected with the linear moving module through a connecting beam and a suction cup assembly connected with the output end of the lifting air cylinder through a connecting frame, and the conveying mechanism comprises a conveying chain with a carrier and a driving device. Material bearing grooves are formed in the carrier in an array mode. By means of the design of composite swing material arranging, accurate transferring and positioning and the like, the material arranging accuracy and the conveying stability of particle materials are improved.

The invention provides a construction method and device of a broken particle discrete element numerical model and application of the construction method and device. The method comprises the following steps: constructing N isometric particle contour models based on N real particles; based on the target grading curve and the total number of the particles, constructing a spherical particle set model; replacing each spherical particle model in the spherical particle set model with a breakable model composed of a plurality of polyhedrons one by one; and after all the spherical particle models are replaced by fragmentable models, generating a fragmentable particle material numerical model instruction file, and directly inputting the instruction file into PFC3D in a reading manner to generate a fragmentable particle discrete element numerical model. The breakable particle discrete element numerical model obtained through the construction method has the shape of real particles and is composed of coplanar Voronoi polyhedrons, the size of the model conforms to grading characteristics, and analysis of particle breaking characteristics and the microscomic influence of particle breaking on material macromechanical characteristics is facilitated.

The invention discloses a degradable material granulator operation state monitoring method, system and equipment. The method comprises the following steps: acquiring a plurality of monitoring images and a plurality of CT scanning images of a target material strip in a unit monitoring period; respectively acquiring a surface defect trend value and a porosity trend value of the target material strip; obtaining an abnormal operation trend value of the granulator; inputting the surface defect trend value, the porosity trend value and the operation abnormity trend value into a preset risk assessment model to obtain a risk assessment value; judging whether the risk assessment value is greater than a preset risk threshold value or not, if so, sending first alarm information, and if not, obtaining the current weight of a particle material discharged from a pelletizing mechanism of the pelletizer; and judging whether the current weight is within a preset weight threshold interval, and if not, sending second alarm information, and the method and the device have the advantage of improving the accuracy of monitoring the abnormity in the granulation process.

The invention relates to the field of debris flow disaster prevention and control, in particular to a method for predicting the flow of large-particle blocking and collapsing debris flow at the sudden shrinkage position of a channel, which comprises the following steps: determining the stress state information of large-particle materials according to the movement process of the large-particle materials in the channel along with debris flow; according to the stress state information and the stress balance condition, a flow prediction model of the large-particle blocking and collapsing debris flow at the channel sudden shrinkage position is constructed; building an experimental device, and placing a simulated large-particle material in the experimental device; obtaining debris flow characteristic parameters and large particle material motion characteristic parameters through an experimental device; and measuring the real channel to obtain a large particle material form parameter and a channel form parameter, so as to obtain the flow of the large particle blocking and collapsing debris flow at the channel sudden shrinkage part of the real channel. The experiment device is built to simulate the debris flow process for multiple times to obtain corresponding parameters, the debris flow is calculated in combination with the debris flow prediction model, and the debris flow prediction reliability is improved.

The invention discloses an intelligent sorting and crushing integrated device based on a modified plastic particle production line, and relates to the technical field of modified plastic processing, the intelligent sorting and crushing integrated device specifically comprises a screening cylinder, an obliquely arranged screening plate is mounted in the screening cylinder, a circulating assembly is mounted on the peripheral side face of the screening cylinder, and a stirring assembly is mounted in the screening cylinder; a crushing assembly is mounted above the screening cylinder, the circulating assembly comprises a collecting box, a circulating pipe communicated with the interior of the collecting box is fixedly arranged at the top of the collecting box, the stirring assembly comprises a stirring rod rotationally matched with the screening plate, and the crushing assembly comprises a crushing box; automatic material returning and reprocessing of unqualified particles are achieved through the closed circulating pipe, manual intervention or additional conveying equipment is not needed, the circulating pipe depends on the synergistic effect of gravity and system negative pressure, large-particle materials in the collecting box are lifted to the top of the screening barrel to be screened again, no additional power consumption exists in the whole process, the comprehensive cost is reduced, and the working efficiency is improved.

The invention relates to the technical field of material production instruments, in particular to a material conveying device with a detection function and a detection method thereof.The material conveying device comprises a material conveying line, an online sampling mechanism, a metering hopper, a screening mechanism, a detection module and a sample conveying mechanism; part of materials sampled on the material conveying line serve as inspection samples, the inspection samples pass through the screening mechanism, samples needing to be detected are screened to the metering hopper, the metering hopper discharges the samples to the sample conveying mechanism, sample data are detected through the detection module, the weight of the metering hopper is measured, and individual volume particle data of the samples are detected through the detection module. And the mass of the particle material is fed back according to the specific value of the individual volume number data distribution sample data. According to the invention, the material can be automatically sampled, separated, filtered and detected, so that the quality index of the proportion of particles with unqualified volumes in the material can be quickly and accurately obtained, and the quality of the particle material can be conveniently monitored and controlled.

The utility model relates to an automatic weighing machine, which solves the problem of low efficiency during weighing of precious metals in the prior art. Comprising a shell, an electronic scale, a first feeding mechanism, a first feeding slide way, a second feeding mechanism, a second feeding slide way, a third feeding mechanism, a third feeding slide way and a cutter mechanism, and a storage barrel is arranged on a scale pan of the electronic scale. The automatic weighing machine is provided with the three feeding mechanisms, the first feeding mechanism can supply large-particle materials, the second feeding mechanism can supply small-particle materials, the rotating disc on the third feeding mechanism is wound with linear materials, the linear materials are conveyed through the feeding roller set, the cutter mechanism cuts off the linear materials, and the automatic weighing machine is convenient to use. In the weighing process, the large-particle materials and the small-particle materials are subjected to weight balancing to be close to the preset weight, then the linear materials are discharged and subjected to weight balancing compensation, the final weight balancing requirement is met, and therefore automatic weighing is achieved, weighing is accurate, and efficiency is high.

According to the granular material crushing resistance testing system and method based on dynamic water pressure loading, the high-precision dynamic water pressure loading system, the transparent closed testing cavity and the multi-modal data acquisition and analysis system are integrated, so that dynamic mechanical property testing of a granular material in a simulated actual hydraulic environment is realized; the dynamic water pressure loading system is used for generating continuous and adjustable water flow pressure and vividly simulating dynamic hydraulic impact and alternating stress in an actual working condition; the transparent test cavity is combined with a high-speed camera shooting technology to capture the particle deformation and crushing process in real time, a high-sensitivity pressure sensor monitors critical crushing pressure synchronously, and dual-mode data association analysis realizes visualization of the particle crushing process and collaborative accurate judgment of a crushing critical point for the first time; the device supports dual modes of stepped pressurization and constant-pressure loading, can output a single-particle crushing resistance value, can also count the batch particle breakage rate, breaks through the limitation of a traditional static test, and remarkably improves the goodness of fit between a test result and an actual working condition.

The utility model relates to the technical field of packaging equipment, and discloses quantitative particle packaging equipment which comprises a fixing seat, the upper surface of the fixing seat is fixedly connected with a supporting frame, the supporting frame is in an L shape, the supporting frame is fixedly connected with a storage hopper, and the lower surface of the storage hopper is fixedly connected with a fixing barrel communicated with the interior of the storage hopper. A quantifying mechanism and an adjusting mechanism are arranged on the fixing barrel, the quantifying mechanism comprises a mounting box, a fixing plate, a motor, a stirring rod, a fixing rod, a rotating plate, a supporting plate and a communicating groove, and according to the quantitative particle packaging equipment, under the action of releasing elastic force of a spring, the supporting rod is synchronously driven to upwards move into a proper adjusting groove, and then the adjusting plate is fixed again; by adjusting the covering range of the adjusting plate to the communicating groove, the gram weight of the particle material during filling each time can be adjusted, adjustment is convenient, and the flexibility and practicability of the quantitative particle packaging equipment are improved.

The invention relates to the technical field of reducing pipes, in particular to a solid-liquid separation reducing pipe which comprises a lower pipe body and an upper pipe body, and the top end of the lower pipe body is communicated with the bottom end of the upper pipe body; the connecting pipe is arranged at the top end of the upper pipe body in a communicating mode, the bottom end of the hollow shaft is rotatably installed on the inner side wall of the lower pipe body, the upper portion of the hollow shaft extends into the upper pipe body, the spiral blade is installed on the outer side wall of the hollow shaft, and the spiral blade is installed on the outer side wall of the hollow shaft; the intercepting boxes are all arranged on the outer side wall of the hollow shaft in a communicating mode, the discharging opening is formed in the lower portion of the hollow shaft in a communicating mode, the feeding pipe is arranged on the outer side wall of the lower pipe body in a communicating mode, and the collecting device is arranged on the lower portion in the lower pipe body and used for collecting separated solid particles of different sizes. The centrifugal separation effect of particle materials with different sizes is improved, the cleaning and maintenance complexity of workers is reduced, the working efficiency is improved, and the use convenience is improved.

The invention relates to the technical field of dryers, in particular to a particle material rotary dryer which comprises a support, a main barrel and a screening barrel. The main barrel is obliquely arranged on the support and can rotate around the axis of the main barrel, a lifting section is arranged in the main barrel and comprises a plurality of lifting plates, the lifting plates are evenly distributed on the inner circumferential wall face of the main barrel, and each lifting plate is of an L-shaped structure. The screening barrel is located in the main barrel body and coaxial with the main barrel body, screening holes are formed in the screening barrel, and the hole diameters of the screening holes are gradually increased in the rotating direction of the main barrel body. According to the rotary dryer for the particle materials, the screening barrel is arranged in the main barrel, material grading and peak shifting falling are achieved, the larger the particle size of the materials is, the longer the rotating distance is, the higher the lifting height is, the later the falling time is, and the longer the contact time with hot air is, and the material falling uniformity and the material drying quality stability are improved.

Novel high-carbon ferro-chrome vibration screening equipment belongs to the related technical field of mineral aggregate screening equipment and comprises a material flow dividing device, a flow dividing valve is arranged in the material flow dividing device, the material flow dividing device comprises a first flow dividing path and a second flow dividing path, and the flow dividing valve can be remotely controlled; the second flow dividing path is connected with the vibration screening device, the vibration screening device is used for receiving materials needing to be subjected to vibration screening and conducting vibration screening on the materials, and large-particle materials screened out by the vibration screening device are directly output to participate in production. And small-particle materials and / or powdery materials screened out by the vibrating screening device are / is conveyed to downstream equipment. The material distributing device is arranged, materials are distributed and then subjected to vibration screening treatment through the vibration screening device, and different screened materials are subjected to different follow-up treatment according to requirements, so that the utilization rate of high-carbon ferrochrome is increased, waste of small-particle powder in the high-carbon ferrochrome is avoided, and the production and operation cost is reduced.

The invention provides a granule screening device and a granule screening method. The granule screening device comprises a screening barrel and a supporting frame. Wherein the screening barrel comprises an inlet ring, an outlet ring and a plurality of parallel connecting rods for connecting the inlet ring and the outlet ring. A crushing bin with an upper opening is fixedly arranged on the supporting frame, the crushing bin comprises a first end and a second end which are far away from each other in the first direction, and the first end of the crushing bin is higher than the second end; at least two inlet rollers capable of rotating freely are arranged on the inner side of the first end of the material crushing bin, at least two outlet rollers capable of rotating freely are arranged on the inner side of the second end of the material crushing bin, and the inlet ring and the outlet ring are arranged on the inlet rollers and the outlet rollers in a lap joint mode respectively. According to the technical scheme, the material screening barrel is arranged in an inclined mode and can rotate, so that continuous and automatic particle material screening operation is achieved, the screening efficiency and effect are improved, and meanwhile the pollution risk is reduced.

The utility model relates to the technical field of automatic online detection, and discloses a particle material granularity detection device which comprises a box body, a beating assembly is arranged in the box body, the left side of the beating assembly is fixedly connected with a first gear, the interior of the box body is fixedly connected with a placing plate, the left side of the box body is rotationally connected with a sieve plate, and the sieve plate is fixedly connected with a second gear. Mounting grooves are formed in the front side and the rear side of the box body, first connecting plates are fixedly connected to the front side and the rear side of the sieve plate, two sliding rods are slidably connected to the tops of the first connecting plates, springs are arranged on the outer portions of the two sliding rods in a sleeving mode, and first rubber blocks are fixedly connected to the bottoms of the two sliding rods; second connecting plates are fixedly connected to the front side and the rear side of the box body correspondingly, and a discharging assembly is arranged on the front side of the box body. According to the utility model, particulate matters can be sieved by matching the special-shaped block with the sieve plate, and then the influence on the box body during vibration can be reduced by matching the rubber block I with the rubber block II, so that the noise is reduced.

The utility model relates to the technical field of a high-accuracy grain counting structure for a packaging machine, in particular to a high-accuracy grain counting structure for a packaging machine, which comprises a shell and straight plates, the bottoms of the left side and the right side of the shell are respectively and fixedly connected with the inner sides of the two straight plates, and the inner wall of the shell is connected with a feeding structure. The top of the shell is connected with an opening and closing structure, a motor in the feeding structure is powered on to work, an output shaft of the motor drives a round rod to rotate, the rotating round rod drives a cylinder to rotate, particle materials in a groove in the outer wall of the rotating cylinder rotate along with the round rod, and when the cylinder rotates to the lower portion, the particle materials in the groove fall downwards and enter a packaging machine to be packaged. At the moment, the grooves in other positions of the outer wall of the cylinder rotate to the upper portion, the particle materials in the shell enter the grooves to be collected, blocking of the high-accuracy particle counting structure for the packaging machine is avoided, and normal discharging of the high-accuracy particle counting structure for the packaging machine is ensured.

The utility model discloses a grading wheel for crushing large-particle materials, which relates to the technical field of grinding and comprises an upper disc body. A plurality of top grooves are formed in the circumference of the bottom of the upper disc body in an array mode, rotating blades are clamped in the top grooves in a matched mode, and a lower disc body is clamped on the circumferential side faces of the rotating blades below the upper disc body in a matched mode. An arc-shaped plate is matched with an arc-shaped clamping groove in a clamped mode, a plurality of top grooves formed in the bottom of an upper disc body are respectively connected with the tops of a plurality of rotating blades in a clamped mode, a threaded rod is matched with a first limiting hole in an inserted mode, the threaded rod is matched with a second limiting hole in an inserted mode, and a threaded block is matched with a thread of the threaded rod in a rotating mode. Second limiting holes formed in the lower disc body are matched with a plurality of rotating blades in an inserted mode, so that the upper disc body, the lower disc body, the two arc-shaped plates and the rotating blades are assembled, assembly of the grading wheel is achieved, the grading wheel does not need to be directly replaced with a new grading wheel, replacement or maintenance of the abraded rotating blades can be efficiently achieved, and the material cost is reduced.

The utility model relates to the technical field of robots, in particular to a sorting device, a mechanical arm and a humanoid robot, the sorting device is arranged on the mechanical arm, and the sorting device comprises a shell provided with a sorting cavity; the separation net is arranged in the sorting cavity, and the separation net divides the sorting cavity into a collection cavity and an air suction cavity; the sorting pipe is connected to the shell and communicates with the collecting cavity; the sorting cabin is arranged on the shell and communicates with the collecting cavity; the fan is arranged on the shell and located in the air suction cavity, and the fan is used for sucking air from one side of the separation net so that a sorting air channel can be formed between the sorting pipe and the collecting cavity. When particle materials are sorted, the tail end of the sorting pipe is aligned with the particle materials, the particle materials can be quickly sucked into the collecting cavity, a specified air channel is formed through the fan, the structure is simple, and therefore the manufacturing and maintaining cost is reduced. Sorting is achieved through airflow, the complexity of the robot during operation is reduced, the operation difficulty is lowered, and therefore the sorting efficiency is improved.

The invention relates to the field of powder mineral separation and powder and particle material separation and classification, in particular to a device and method for separating powder materials through kinetic energy. According to the first method, high-speed fluid is generated through high-pressure gas jet, and powder materials are sorted; and the second method is that shock waves generated by gas fuel explosion are utilized to form high-speed fluid, and powder materials are sorted. The various forms have the common characteristics that the separation effect is better, various principles can be fully utilized for separation, the method is suitable for separation of various different powder minerals and separation and grading of powder and particle materials, and the defects that an existing flotation method is high in separation cost, large in pollution and high in separation efficiency are overcome. The defects that a gravity separation method is low in separation efficiency and different materials with the specific gravity difference smaller than a critical point cannot be separated are overcome, and particularly the limitation that ultra-micro powder particles cannot be effectively separated and separated and particle size grading cannot be conducted on powder particle materials is overcome.

The utility model provides a beater for artificial graphite micro powder, which structurally comprises a mounting shell, a depolymerization cavity is fixedly arranged in the middle of the mounting shell, and a depolymerization disc is movably connected to the bottom of the mounting shell; a plurality of supporting rods are movably connected to the top of the mounting disc, and slapping teeth are movably connected to the tops of the supporting rods; an electric push rod is fixedly arranged in the middle of the support, guide sleeves and slapping teeth are fixedly arranged at the left end and the right end of the support, when large-particle materials appear on the depolymerization cavity, the large-particle materials make contact with the slapping teeth to achieve slapping crushing treatment, and the crushed materials are depolymerized by a depolymerization disc in the depolymerization cavity; the depolymerization treatment efficiency of large-particle materials is improved, and when conventional micro-powder materials are subjected to depolymerization treatment, the slapping teeth can be lowered and stored in the adjusting holes of the depolymerization disc.

The invention belongs to the technical field of mineral processing, and aims to solve the problems of universality of an underflow clamping phenomenon, low separation precision and high separation energy consumption of an existing classification cyclone. The invention provides three-product micro-fine particle rotational flow-reverse flow grading equipment which comprises an ore pulp distributor, an overflow collecting box, a reverse flow grading box and a plurality of grading hydrocyclones. The ore pulp distributor is used for uniformly distributing ore pulp to each grading cyclone; fine materials enter an overflow collecting box through an overflow pipe of the grading cyclone; a countercurrent grading area, a coarse-grain material collecting area and a middle-grain material collecting area are arranged in the countercurrent grading box, and the countercurrent grading area is used for separating coarse-grain materials and middle-grain materials through an arc-shaped rising structure and rising water flow. Secondary classification of the bottom flow of the cyclone can be achieved, the content of the thin bottom flow is effectively controlled, the design of the water seal of the bottom flow pipe is adopted, no air column exists in the cyclone process, the classification effect and stability are guaranteed, and meanwhile energy consumption can be effectively reduced.

The utility model belongs to the technical field of fluid pipe fittings, and particularly relates to a pneumatic conveying short-radius elbow structure, which is formed by sequentially connecting a first pipe joint, an elbow joint and a second pipe joint, and is characterized in that the first pipe joint and the second pipe joint are both variable-diameter pipe bodies with large ends and small ends, and small-diameter pipe orifices are connected with the elbow joint; a lining is arranged in the bent joint and is of a smooth pipe body structure, the inner diameter of the lining is continuously variable in cross section, the two ends of the lining are reduced towards the middle section along the axis, the diameter r of the middle portion is the smallest, and the eccentric distance a which is 5-10 mm and deviates towards the small-diameter direction is formed between the lining and the axis of an inlet. The bent joint is connected with the first pipe joint and the second pipe joint through flanges or welding. Compared with the prior art, the ceramic elbow has the advantages that the lining layer of the elbow joint is formed by sintering ceramic materials, the ceramic materials have the advantages of being high in hardness, good in abrasion resistance, high in chemical stability and the like, scouring and impacting of fluid and particle materials can be effectively resisted, the service life of the elbow is prolonged, and the problem of local excessive abrasion is solved.

The utility model discloses a tank body for a powder and particle material transport vehicle, which comprises a transport tank body, one side of the top of the transport tank body is communicated with a feed inlet used for feeding, the bottom of the transport tank body is communicated with a discharge pipe used for discharging, a discharge mechanism is arranged in the transport tank body, and the discharge mechanism is connected with the transport tank body. The discharging device is used for discharging powder in the conveying tank body; by means of the arrangement of the discharging mechanism, when powder and particle materials in the conveying tank body are discharged, a motor works to drive a vertical rod to rotate, a first driving bevel gear on the surface of the vertical rod is synchronously driven to rotate, and then the first driving bevel gear is connected with a first driven bevel gear in a meshed mode; and the two first transverse rods and the crushing blades on the surfaces of the first transverse rods are synchronously driven to rotate, so that caked powder and particle materials in the conveying tank body are crushed, and the situation that the discharging pipe is blocked due to more caked powder and particle materials, and discharging of the powder and particle materials is affected is avoided.

The invention discloses a device and a method for detecting the crushing degree of dry grain particles based on an acoustic emission sensor. The device is composed of an acoustic emission sensor probe, a waveguide rod, a signal conditioning module, a data acquisition module, a signal analysis module, a display module and a single-particle friction collision experiment table. Wherein the front end of the waveguide rod is in contact with particles, and the acoustic emission sensor is mounted on the section of the rear end of the waveguide rod and used for detecting acoustic signals transmitted from the waveguide rod; the signal conditioning module amplifies a signal output by the acoustic emission sensor through a pre-amplifier, and then the acoustic emission signal is acquired through a data acquisition module formed by an acoustic emission signal analyzer; the signal analysis module processes the collected signals by adopting a blind source separation algorithm and a deep learning method to obtain the damage degree of the particles and transmits the damage degree to the display module for display; influence factors and types of particle crushing are explored on a single-particle friction collision experiment table by adjusting particle sizes, particle materials, flat plate inclination angles, flat plate friction coefficients, collision speeds, collision positions and the like. The invention provides a novel grain nondestructive testing technology based on an acoustic emission sensor and a deep learning method.

The bulk particle material containing device comprises a containing bin, and a bottom plate is installed at the bottom of the containing bin; the bottom plate comprises a sliding way arranged on the bottom face of the inner side of the containing bin and a first supporting bottom plate movably installed on the sliding way, a second supporting bottom plate is arranged on the sliding way, the first end of the second supporting bottom plate is hinged to the end of the first supporting bottom plate, and the second end of the second supporting bottom plate can vertically move and protrude upwards. And then one end of the first supporting bottom plate is driven to horizontally move along the sliding way, and a discharging space is formed. The double-side unloading device is provided with the rectangular containing cavity, the transportation volume is large, manufacturing and mounting are convenient, the double-side unloading device can be conveniently modified to be used for transporting other objects, double-side simultaneous unloading can be achieved, the unloading efficiency is high, no material residues exist after unloading, the structure is simple and compact, and the application prospect is wide.

The utility model discloses a filtering device for production of a diluting tank, and relates to the field of diluting tanks. The filtering device for production of the diluting tank comprises a filtering cover and a rotating piece rotationally arranged at the top of the filtering cover, the filtering cover comprises a bowl-shaped container and a net-shaped protrusion arranged at the position of the bowl-shaped container, and the rotating piece comprises an arc-shaped scraping strip attached to the surface of the net-shaped protrusion and hollow stirring blades fixedly arranged at the outer end of the arc-shaped scraping strip. And grinding plates are fixedly arranged at the bottoms of the plurality of hollow stirring blades. According to the filtering device for production of the diluting tank, in the process that a rotary connecting piece rotates to stir and accelerate dissolution, a rotating piece at the bottom is driven to rotate, hollowed-out stirring blades stir particle materials deposited at the bottom, meanwhile, a grinding plate makes contact with an annular net plate to grind particles and accelerate dissolution, and arc-shaped scraping strips move on the surfaces of net-shaped protrusions, so that the particles are completely dissolved. And particles on the surfaces of the particles are scraped off, so that insoluble impurities in the particle materials are prevented from blocking the net-shaped bulges during discharging.