196 results about "Particle material" patented technology

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 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 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 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 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 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.

The utility model discloses a coating material circulating crushing mechanism, which belongs to the technical field of coating material processing and comprises a shell, an outer cylinder is rotatably mounted in the shell, first filter ports are uniformly formed in the outer side of the outer cylinder, push plates are annularly and uniformly distributed in the outer cylinder, and an inner cylinder is rotatably mounted in the outer cylinder; one end of the inner cylinder penetrates through and extends to the outer side of the shell, and the other end of the inner cylinder is fixedly connected with the shell. Through cooperative use of the shell, the outer cylinder, the first filtering opening, the outer gear ring, the first motor, the rotating shaft, the first gear, the inner cylinder, the feeding hopper, the feeding opening, the discharging opening, the push plate, the second motor and the crushing roller, the coating material cyclic crushing work can be completed without auxiliary feeding of workers, the workload of the workers is reduced, and the working efficiency is improved. And large-particle materials can be conveniently and uniformly collected to complete circulating crushing, so that the centralized crushing efficiency of the materials is improved, material leakage is reduced, the crushing effect is improved, and use by people is facilitated.

The application relates to a numerical prediction method for the flow dynamics characteristics of coarse particle solid-liquid two-phase flow in a vertical lifting pipeline, and belongs to the technical field of numerical prediction of flow dynamics characteristics. In order to solve the problem that the influence of particle movement on the surrounding fluid is not considered in the current theoretical calculation and numerical simulation of the solid-liquid two-phase flow in the pipeline, the application firstly models and divides the grid of the fluid domain; a particle model is established based on a particle material simulation software, and the particles are controlled in a discrete manner; then, a coupling interface is established based on a computational fluid dynamics software through a coupling interface control equation; the computational fluid dynamics software calculates and monitors the state of the fluid, which is transported to the particle material simulation software as the external environment of the particles; the interference caused by the movement of the particles is also transmitted to the computational fluid dynamics software through the coupling interface; and the numerical prediction of the flow dynamics characteristics of the coarse particle solid-liquid two-phase flow is realized based on the initialized coupling interface, the pipeline model and the particle model.

The invention relates to the technical field of stirrers, in particular to a bidirectional convection type particle material stirrer with a dead angle prevention structure, which comprises a mixing conical barrel, a barrel cover is fixedly connected to the top of the mixing conical barrel, a mounting shell is arranged in the mixing conical barrel, and the top end of the mounting shell is rotatably connected to the axis of the barrel cover; rotating shafts are rotationally connected to the two ends of the bottom of the mounting shell, spiral stirring blades are fixedly connected to the surfaces of the rotating shafts, and the two spiral stirring blades are oppositely arranged in the mixing conical barrel; after the particle materials are lifted upwards through the spiral stirring blades, a recess generated by material missing is generated in the center of the mixing conical barrel, and the two strands of upwards-lifted particle materials converge towards the central recess of the materials under the action of gravity, so that the particle materials form all-directional convective circulation of'two-way rising-diffusion-falling 'in the mixing conical barrel; therefore, efficient mixing of the particle materials is realized.

The utility model innovatively provides the particle material feeding pipe capable of preventing material blockage and the particle material feeder. The particle material feeding pipe is provided with a through hole, and is characterized in that the through hole is a spiral through hole. The particle material feeder comprises a hopper and a feeding device, the feeding device comprises a machine base and a feeding pipe, and the particle material feeder is characterized in that a through hole of the feeding pipe is a spiral through hole. According to the particle material feeder, the through hole of the feeding pipe is designed into the spiral through hole, so that the feeding pipe can be effectively prevented from being blocked.

The invention belongs to the technical field of precision machining, and relates to a hemispherical harmonic oscillator porous flow channel device for improving abrasive particle material flow field intensity, which comprises a profiling flow channel module, and the profiling flow channel module is composed of a Gyandroid minimal curved surface porous structure profiling flow channel main body and a flow channel nozzle base, the specific structure is as follows: a Gyandroid minimum curved surface porous structure is a profiling runner main body structure, the porous structure is formed by stacking and connecting Gyandroid minimum curved surface cell elements with uniform density layer by layer, and the porosity of the porous structure can be selected as 30%, 50% and 70% respectively; a flow channel base is machined, the exterior of the flow channel base is of a columnar structure, a conical through hole is formed in the columnar structure, the inner wall of the conical through hole is of a threaded structure, and a profiling module is fixed to the base; geometric parameters of a polishing channel are precisely adjusted, an internal fluid path is improved, stress on the surface of a workpiece is more uniform, and then the polishing efficiency of a polishing material on the surface layer of the workpiece is enhanced.

The invention relates to the field of logistics packaging equipment, and discloses a particle material logistics transportation automatic packaging device which comprises a quantitative pushing mechanism located on an overhead rack, matched with an output through hole structure of a feeding hopper and an abutting rack and used for pushing out particle materials conveyed by a feeding compaction mechanism. The synchronous driving mechanism is located on the top rack, is matched with a clamping groove structure of the first side push rod, the abutting rack and the guide curved bar to generate particle material pushing force for reciprocating driving, and is matched with the feeding hopper, the partition plate and the first extension rod to synchronously form an opening and closing area and a sealing area for particle material component output. A fan-shaped side pressing frame is driven by a synchronous driving mechanism to periodically rotate, lateral pressure is applied to particle materials in a feeding hopper, it is ensured that the materials are tightly stacked, metering errors caused by loosening are avoided, an L-shaped closed push plate is precisely and quantitatively linked with a beam frame to drive the L-shaped closed push plate to reciprocate, the material pushing stroke each time is fixed, and the material pushing efficiency is improved. And the volume of materials pushed out each time is consistent.

The invention discloses a particle material distribution device and a distribution method thereof.The device comprises a particle material sucking and distributing system, the particle material sucking and distributing system comprises a rotating shaft, a sucking assembly and a separation disc, the rotating shaft and the gravity direction form a preset angle, the sucking assembly and the separation disc are coaxially arranged and synchronously rotate, and the sucking assembly comprises a sucking barrel with a material passing hole formed in the center; at least two suction holes are formed in the suction cylinder, the separation disc is arranged below the material passing hole, when the suction holes are located in the first interval, the first negative pressure pipe can be opened, and the suction holes suck single particle materials; and when the suction hole sucking the particle materials is in the second interval, the first negative pressure pipe is closed, the sucked particle materials fall into the separation disc through the material passing hole, the negative pressure opening and closing system is used for opening or closing the first negative pressure pipe, and the particle material emptying system is used for emptying the particle materials in the suction barrel. In this way, efficient and continuous distribution of the single particle materials is achieved, and the efficiency, accuracy and convenience of distribution of the single particle materials are remarkably improved.

The utility model discloses a simple self-discharging hopper, and relates to the technical field of self-discharging hoppers. Comprising a self-discharging hopper mechanism, the self-discharging hopper mechanism comprises a storage hopper, a driving wheel is installed at the bottom of the storage hopper, a discharging assembly is fixedly installed on the inner side of the storage hopper, supporting assemblies are installed on the two sides of the bottom end of the storage hopper, and a material vibrating assembly is fixedly installed on the surface of one side of the storage hopper; a covering and blocking assembly is fixedly installed on one side of the top of the storage hopper, and a handle is fixedly connected to one end of the storage hopper. By means of the mode, particle materials can be stored and transferred, the particle materials can be stored and transferred to the corresponding positions to be discharged conveniently, the discharging convenience of the particle materials is improved, meanwhile, discharging control can be conducted on the particle materials, supporting vibration operation can be conducted on the hopper conveniently, and self-discharging treatment can be conducted on the particle materials in the hopper conveniently. And the particle material discharging operation effect is improved, and the practicability of the device is improved.

The utility model provides a particle material conveying mechanism. The particle material conveying mechanism comprises a stock bin, a conveying belt assembly and a recycling piece. The conveyor belt assembly comprises a driving unit, a driving wheel, a driven wheel and a conveyor belt; the driving unit is connected with the driving wheel and is used for driving the driving wheel to rotate; the driven wheel and the driving wheel are spaced from each other; the conveying belt surrounds the position between the driving wheel and the driven wheel, is located below a discharging port of the stock bin and is used for receiving particle materials sent out from the discharging port of the stock bin. A recovery cavity with an open top is formed in the recovery part, the recovery cavity is used for recovering redundant particle materials falling from the conveying belt, the recovery cavity is located below a discharging port of the stock bin, and the conveying belt penetrates through the upper portion of the recovery cavity. Compared with the prior art, the particle material conveying mechanism can be installed and used in a narrow area, and redundant particle materials can be recycled.

The application discloses a fine particle material dry separation device and a dry separation system. The fine particle material dry separation device comprises a rack, a separation bin, a separation bed, a driving device, a dust removal system and an air supply system. The separation bed comprises an upper bed body and a lower bed body located below the upper bed body. The upper bed body is provided with a first upper bed body end corresponding to the position of a feeding port and a second upper bed body end located opposite to the first upper bed body end. The position of a first discharge port corresponds to the second upper bed body end. The upper bed body is provided with a sieve hole. The aperture of the sieve hole increases in the direction extending from the first upper bed body end to the second upper bed body end. The lower bed body is provided with a first lower bed body end corresponding to the position of the first upper bed body end and a second lower bed body end located opposite to the first lower bed body end. The position of a third discharge port corresponds to the first lower bed body end. The position of a second discharge port corresponds to the second lower bed body end. The lower bed body is provided with an air inlet hole.