122 results about "Ore sorting" patented technology

According to the lead-zinc ore sorting method and the electronic equipment, in the preprocessing stage, an obtained raw ore high-energy diagram is registered with a low-energy diagram as the benchmark, physical response difference measurement is adopted, the low-energy diagram and the registered high-energy diagram are fused to obtain a fusion diagram, the fusion diagram is colored according to a color transition rule, a pseudo-color diagram is obtained, and a lead-zinc ore sorting result is obtained. And the pseudo-color image is used as input, and a target detection model based on deep learning is used for processing, so that accurate and efficient recognition of the lead-zinc ore in the raw ore is realized.

The invention discloses a parameter optimization method and system for an imaging structure of an XRT ore sorting machine. The parameter optimization method comprises the steps that structure parameter information of a target XRT ore sorting machine is obtained; constructing a simulation model of the target XRT ore sorting machine in simulation software; the influence of each element in the X-ray imaging structure on the signal-to-noise ratio of the image is researched, and a final influence factor is determined; and by taking the maximum signal-to-noise ratio and the minimum X-ray source power as optimization objectives and taking actual working conditions and process conditions as constraints, constructing a parameter optimization model of the imaging structure of the XRT ore sorting machine and solving the parameter optimization model to finish parameter optimization of the imaging structure of the target XRT ore sorting machine. According to the method, accurate modeling and simulation are conducted on the target XRT ore sorting machine, targeted parameter optimization model construction and solution are conducted after the influence factors of the parameters are determined, parameter optimization of the imaging structure of the target XRT ore sorting machine is achieved, and the scheme is relatively simple, higher in precision and better in effect.

The invention relates to the field of image processing, in particular to an ore sorting machine and an ore sorting method based on the ore sorting machine, and the method comprises the steps that images on the surface of a conveying belt are collected in real time, the collected images of two adjacent frames are spliced in the height direction, and a spliced image is obtained; during acquisition, the pose of the industrial camera is kept unchanged, and two adjacent frames of images respectively correspond to two adjacent and non-overlapping areas on the conveyor belt; inputting the spliced image into a trained improved YOLO model, thereby identifying category information, position information and contour mask information of each ore in the spliced image; extracting the contour of the ore according to the contour mask information of the ore; and air valves corresponding to all nozzles at the tail end of the conveying belt are controlled according to the recognized types, positions and contours of all the ores, so that blowing sorting of the ores is achieved. With the adoption of the method, the accuracy and the real-time performance of blowing separation of ores can be effectively improved.

The invention is suitable for the technical field of slurry making and ore separating devices, and provides a mining wet-type screening slurry making and ore separating device which comprises an ore feeding machine, a wet-type screening machine, a slurry making machine and an ore separating machine. The slurrying machine is composed of a slurrying frame, a slurry feeding cylinder, a slurrying cylinder, a slurry discharging cylinder, a connecting cylinder, a rotating mechanism, a screw rod, a control mechanism, a rotating cylinder, an arc-shaped guide vane, a homogenizing paddle, an adjusting mechanism and a control system, the arc-shaped guide vane is an inwards-concave arc-shaped vane, the concave surface of the arc-shaped guide vane faces the slurry feeding direction, and the homogenizing paddle is a rectangular paddle; the adjusting mechanism is matched with the rotating mechanism, the control mechanism and the screw rod to change the inclination angles of the arc-shaped guide vanes and the homogenizing paddles, the arc-shaped guide vanes and the homogenizing paddles realize accurate regulation and control on the ore pulp concentration in a manner of rotating and changing the inclination angles, and when the inclination angles are reduced, the retention time of the ore pulp is prolonged; and when the inclination angle is synchronously increased, the retention time of the ore pulp is shortened, and the mixing concentration of the ore pulp is reduced.

The invention relates to the technical field of ore separation, and discloses a multi-stage photoelectric-jigging-magnetic separation synergistic efficient ore separation process which comprises the following steps: A, material pretreatment and particle size regulation and control: raw ore raw materials are treated through crushing and screening equipment; the method comprises the following steps of: adding the raw materials into a magnetic separator to obtain a coarse-fraction product with the particle size range of 5-100mm and a fine-fraction product with the particle size range of 0.5-5mm, and cleaning and drying the products to remove surface dust and pollutants. Sequential and parallel recognition and sorting of multi-dimensional physical attributes such as color (photoelectricity), density (jigging) and magnetism (magnetic separation) of ore particles are achieved, the function limitation of a single sorting method is overcome through the multi-technology coupling mechanism, and a large amount of waste rock is efficiently thrown at the front end through photoelectric pre-sorting; the enriched valuable minerals can be intensively treated by subsequent gravity separation and magnetic separation equipment, and the unit operation efficiency is improved.

The invention discloses an ore sorting system and method for real-time positioning and classification recognition based on deep learning, and relates to the technical field of AI vision, and the system comprises the following modules: an ore image multi-source fusion module which is used for collecting and preprocessing multi-modal ore images and fusing the multi-modal ore images to form a multi-modal image set; and the end-to-end deep learning reasoning module is used for combining an improved pyramid network structure and a local attention mechanism, extracting and fusing multi-scale feature information, performing reasoning calculation to output a recognition result, and obtaining a position coordinate, a category result and a judgment confidence coefficient of the ore. According to the method, through multi-modal image fusion and end-to-end deep learning reasoning, the position, category and contour information of the ore can be accurately recognized, the problem that the recognition rate of complex ore features, especially hard-to-process ores such as pock ores and linear ores, of a traditional method is low is effectively solved, the sorting precision is remarkably improved, and the sorting efficiency is improved. And mistaken discarding of concentrates and mistaken selection of tailings are reduced.

The invention discloses a vanadium ore separation intelligent control system based on machine vision, relates to the technical field of ore separation intelligent control, and solves the problem of inaccurate separation caused by MFAC convergence, time delay coupling and a two-dimensional vision depth blind area of an existing ore separation system. Synchronizing multiple paths of process signals and images based on a hardware timestamp through an acquisition module; the fusion module constructs a multi-modal mine condition model and performs online filtering to extract a state vector and a trigger point; the observation module adopts online augmented Kalman decoupling ore grinding-rotational flow-grading coupling; the control module introduces sliding time domain optimization of network time delay compensation; the positioning module reconstructs a three-dimensional attitude through multi-view structured light phase decoding and baseline self-calibration; the execution module uses rolling time domain window trajectory scheduling; the calibration module adaptively updates parameters of each sub-module in real time; according to the method, the sorting control robustness and the injection positioning precision are remarkably improved, the wrong sorting rate and the maintenance cost are reduced, and the stable productivity under high flux is guaranteed.

The utility model discloses a high frequency vibrating screen device for zirconium titanium ore sorting relates to mineral processing field. A high frequency vibrating screen device for zirconium titanium ore sorting, including screening box, still include: a plurality of oblique settings screening board, from top to bottom equal interval staggered fixed connection in screening box, the both sides of screening box are opened in the symmetry and have the flow through cavity, the utility model discloses through the consistent screen hole design of multilayer screening board and high frequency vibration cooperation, has realized zirconium titanium ore material's efficient continuous screening, and small particle is fast and sieves when first contact screen surface, and large particle is repeatedly refined through multistage screening board, finally through first discharge port and second discharge port accurate separation, effectively improved the screening efficiency, and through continuously to the feed pipe conveying material, and the device can continuous operation, need not stop machine to take and put material, and the continuity of production is greatly improved, reduces manpower cost and equipment loss, especially suitable for the efficient production demand of large -scale zirconium titanium ore processing enterprise.

The utility model relates to the technical field of ore processing, and discloses an ore sorting machine for ore conveying, which comprises a rack, the inner top and the inner bottom of the rack are respectively and fixedly connected with a group of connecting rods, one end of each group of connecting rods is jointly and fixedly connected with a connecting ring, and one end of each pair of connecting rings is jointly and fixedly connected with a supporting tank. The device further comprises a sorting assembly arranged in the supporting tank, and a feeding and discharging assembly is arranged outside the supporting tank. The effect of improving the ore separation efficiency is achieved, due to the arrangement of the inclined separation tank, ore particles in the separation tank automatically roll towards the discharging plate under the action of gravity, and then the ore particles are separated from the discharging plate through mutual cooperation of the motor, the first bevel gear and the second bevel gear. And the first filter plate, the second filter plate and the third filter plate rotate in opposite directions relative to the material pushing plate, the relative movement rate of ore particles is increased, and the problem that it is difficult for the device to effectively improve the ore separation efficiency is solved.

The invention provides a gold ore continuous separation process, and relates to the technical field of ore separation, the gold ore continuous separation process comprises the following steps: S1, gold ore containing gangue is prepared into gold ore pulp, and the prepared gold ore pulp is discharged into a separation roller through a discharging pipeline and is close to the closed side; s2, the separation solution is fed into the separation roller through a liquid guide pipeline and close to the closed side, and the separation solution and the gold ore pulp directionally flow from the closed side in the separation roller to the open side in the separation roller; s3, controlling the separation roller to rotate directionally or swing back and forth while controlling continuous introduction of the gold ore pulp and the separation solution; and S4, the bottom of the turbulent flow device is controlled to spray out the sorting solution, turbulent flow on the bottom of the sorting area is achieved, gangue floating is accelerated, and the gangue is directionally discharged from the open side of the sorting roller along with the sorting solution. The gold ore continuous sorting efficiency and effect are greatly improved, and the gold ore sorting cost is reduced.

The invention discloses an ore sorting device for gold ore mining, and belongs to the technical field of ore sorting, the ore sorting device comprises a box body and a guide assembly mounted on the box body, a vibration motor is mounted on the box body, the output end of the vibration motor is connected with the guide assembly, a transparent screening box is mounted on the guide assembly, and a supporting assembly is mounted on the transparent screening box; a hydraulic telescopic rod is installed on the supporting assembly, a connecting block is installed at the output end of the hydraulic telescopic rod, a screening net is installed on the connecting block, a discharging plate is obliquely installed on the box body, and an ore discharging opening is formed in the box body. According to the ore screening device, the hydraulic telescopic rod is arranged, the hydraulic telescopic rod is started, the screening net can be driven to be pushed, then ore in the transparent screening box can be pushed out, slides onto the discharging plate through the screening net and is discharged out of the box body through the discharging plate, manual discharging of workers is not needed, and discharging is convenient.

The utility model relates to an ore sorting device for mining, which comprises a frame body, a screening cylinder is arranged at the top of the frame body, a transmission mechanism is arranged at the top of the frame body, a discharging mechanism is arranged at the top of the frame body, and the transmission mechanism comprises a connecting frame fixedly connected to one side of the screening cylinder. A motor is fixedly connected to one side of the connecting frame, a linkage assembly is fixedly connected to one end of the motor, a connecting rod is fixedly connected to one end of the linkage assembly, the size of the screening drum screen groove is sequentially increased from the inlet end to the outlet end, a feeding hopper is fixedly connected to the interior of the frame body, and a conveying auger is fixedly connected to one end of the linkage assembly. The outlet end of the feeding hopper is located in the screening barrel. According to the ore sorting device for mining, through the screening barrel and the transmission mechanism, automatic screening of ore can be achieved, the screening grooves of the screening barrel are sequentially enlarged from the inlet end to the outlet end, step-by-step separation of the ore is facilitated, and the screening efficiency and precision are improved.

This disclosure relates to the field of ore sorting, specifically to an image segmentation method, an image segmentation apparatus, an electronic device, and a storage medium. The image segmentation method includes: acquiring an image of the ore to be processed; adjusting the image brightness of the ore image to obtain an optimal image, wherein the color difference between the ore region and the background region in the optimal image is the maximum value of the background region under normal exposure; identifying the ore in the optimal image based on the ore color features determined from the optimal image to obtain an ore mask image; and obtaining a target mask image corresponding to the ore image based on the ore mask image. This method effectively enhances the anti-interference capability of image segmentation and improves the accuracy of image segmentation, thereby making the final target mask image more accurate and reliable.

The application discloses a mine ore sorting device for mine exploitation, and relates to the technical field of mine equipment, which comprises a bottom plate, a conveying belt, a connecting cylinder, a screening mechanism, a shaking mechanism and a dust removal mechanism. The screening mechanism is composed of multiple groups of screening cylinders, realizing multi-stage screening of ores; the shaking mechanism provides elastic support through springs, so that the screening cylinders shake during the screening process, preventing ores from blocking the screen holes; the dust removal mechanism is equipped with a pumping assembly, a filter plate, a cleaning mechanism and a knocking assembly, effectively removing dust generated during the screening process, automatically cleaning the filter plate, and further preventing blockage by knocking the screening cylinder through the knocking assembly. The application is equipped with a perfect dust removal mechanism, dust-containing air is pumped into the fixed cylinder through the pumping assembly, clean air is discharged after being filtered by the filter plate, dust pollution is effectively reduced, the working environment is improved, and the health of the operators is ensured.

The invention provides a microwave ore separation device and method capable of being adjusted and controlled in a self-adaptive mode, and belongs to the technical field of ore separation. The ore sorting device comprises a conveying assembly and a self-adaptive temperature adjusting microwave heating mechanism. The self-adaptive temperature-adjusting microwave heating mechanism comprises a microwave cavity and a microwave generating assembly, the microwave generating assembly is arranged on the conveying assembly and connected with the microwave cavity, and the microwave cavity is arranged on the conveying assembly so that a conveying belt of the conveying assembly can penetrate through the microwave cavity along a preset path. The microwave generation assembly is used for dynamically adjusting microwave power so as to conduct self-adaptive heating on ore particles with different particle sizes. Dynamic adjustment of microwave power is achieved through the microwave generation assembly according to different particle sizes of ore particles, so that the ore particles with different particle sizes are heated through the microwave cavity, the accurate basis is provided for the subsequent sorting procedure by adopting the fact that the heat absorption capacities of the ore and the waste rock are different, and then the sorting precision is improved.

The application provides a phosphate ore sorting method, an electronic device and a medium. In a preprocessing stage, a high-energy image obtained from raw ore is registered with a low-energy image as a reference, a difference image representing a gray difference is obtained from the registered high-energy image and the low-energy image, and the low-energy image, the registered high-energy image and the difference image are fused in three channels to obtain a pseudo-color image. In an intelligent identification stage, the pseudo-color image is taken as input, and a target detection model based on deep learning is used for processing, so that accurate and efficient identification of phosphate ore in the raw ore is realized.

The invention belongs to the technical field of ore sorting, and particularly relates to an intelligent ore sorting device based on AI image recognition, the intelligent ore sorting device comprises a rack and a screening device, the surface of the rack is fixedly connected with a conveying belt, the upper surface of the rack is fixedly connected with an X-ray machine, and the position, close to the position under the X-ray machine, of the surface of the rack is fixedly connected with a recognition computer; a pneumatic separator is fixedly connected to a side plate of the rack, the screening device is arranged on one side of the rack and comprises a main frame and an auxiliary frame, the main frame and the auxiliary frame are located on one side of the rack, a collecting device is arranged at the bottom end of the main frame and the bottom end of the auxiliary frame and comprises a collecting box, and the collecting box is located under the main frame and the auxiliary frame. A guide device is arranged on the upper surface of the collecting box and comprises a bent plate; by arranging the whole device, ore can be sorted, the influence on follow-up process operations such as crushing, ore grinding, flotation and smelting is reduced, the reduction of the processing efficiency can be reduced, and meanwhile, the soaring of energy consumption is avoided.

The invention relates to an ore grade real-time identification and separation system and method, and belongs to the technical field of ore processing, the ore grade real-time identification and separation system comprises an image acquisition module used for acquiring ore surface images in real time and transmitting the images to an image processing module; the image processing module is used for preprocessing the ore surface image and transmitting the preprocessed ore surface image to the image recognition module; the image recognition module is used for recognizing the preprocessed ore surface image based on an image recognition model and outputting the ore grade to the ore sorting module, and the image recognition model is obtained by training a residual network added with a space attention mechanism based on an ore surface image sample set with an ore grade label; and the ore sorting module is used for carrying out ore sorting by adopting a pneumatic sorting valve and a mechanical arm based on the ore grade. While the ore sorting efficiency and precision are guaranteed, the sorting cost is reduced.

The application discloses a kind of based on particle size analysis calculation ore intelligent sorting system processing capacity method. Through the statistics of the number of ore particles when the maximum processing capacity of intelligent sorting machine, the quantitative particle size-processing capacity relationship model is constructed, and the processing capacity when the same equipment processes different particle size ores is calculated. The application establishes the quantitative relationship model of ore particle size and intelligent sorting machine processing capacity, breaks through the limitation of traditional empirical formula sorting, realizes the accurate prediction and optimization of processing capacity. The method takes the number of particles as the core control parameter, converts the equipment processing capacity from the quality dimension to the quantity dimension, effectively eliminates the processing capacity fluctuation caused by the density difference of different particle size ores, and provides a scientific basis for the process parameter optimization of intelligent sorting machine.

The invention relates to the technical field of ore sorting, and discloses an ore sorting method, device and equipment based on multi-source data fusion, and the method comprises the steps: for each imaging source, employing a corresponding image engine to carry out the preprocessing of an imaging picture, and obtaining a stone information set; determining a main image engine and an auxiliary image engine; for a target stone of the main image engine, determining a matched stone based on the stone information sets of all the auxiliary image engines; transmitting the imaging picture of the matched stone and the stone information to a main image engine, and controlling the main image engine to carry out picture fusion and recognition to obtain a mine waste type; and a blowing control signal is generated based on the ore waste type for ore separation. Through a main-auxiliary engine cooperation mechanism, relevance among different imaging sources is reserved, information splitting and loss caused by independent processing are effectively avoided, the recognition accuracy is improved, and accurate ore sorting is achieved.

This invention relates to the field of mineral processing equipment technology, and discloses a flotation column for mineral processing. The flotation column includes a frame, a crossbeam fixedly mounted on the top of the frame, a fixed mounting base fixedly mounted in the middle of the crossbeam, and a flotation column fixedly mounted in the middle of the fixed mounting base. A rotating shaft is movably mounted inside the flotation column via a bearing mounting base. The bottom end of the rotating shaft extends to the inner bottom of the frame and is fixedly mounted with an impeller. An annular movable frame is movably mounted at the bottom end of the flotation column via a bearing mounting base. A perforated air inlet hood is fixedly mounted at the bottom end of the annular movable frame. A sleeve is also movably mounted inside the flotation column via a bearing mounting base. This invention improves the capture capacity and separation accuracy of fine-grained minerals, reduces impurities, ensures stable and controllable operation, low energy consumption, extends equipment life, and guarantees efficient and continuous mineral processing through uniform aeration, bubble refinement, composite flow field, and vibration synergistic design.

The utility model relates to the technical field of ore sorting, and discloses mining ore sorting equipment which comprises a sorting base, a first supporting frame is fixedly connected to the top of the sorting base, an adjusting groove is formed in the position, away from the first supporting frame, of the top of the sorting base, and a movable support is movably connected to the top of the sorting base through the adjusting groove. A movable shaft is movably connected to the front face of the movable support in a penetrating mode, a second supporting frame is movably connected to the inner side of the movable support through the movable shaft, vibration springs are fixedly connected to the tops of the first supporting frame and the second supporting frame, a connecting support is fixedly connected to the top ends of the vibration springs, and a sorting frame is installed on the inner side of the connecting support. According to the ore sorting device, the ore rolling speed can be controlled by adjusting the inclination angle, so that the sorting effect and the sorting efficiency are improved, the dust falling effect can be achieved, and the situation that the health of workers is harmed by generated dust is avoided.

The utility model relates to a multistage tungsten ore sorting device in the technical field of ore sorting equipment, which comprises a support, and a plurality of sorting boxes are sequentially arranged on the support. Screens are arranged in the sorting boxes respectively, filtering holes of the multiple screens are sequentially decreased, and a discharging opening of each sorting box communicates with a feeding opening of the adjacent sorting box. Wherein a magnetic separation assembly is arranged at the feeding port of one separation box and comprises a rotating shaft and a stepping motor, the two ends of the rotating shaft are rotationally connected with the inner walls of the separation boxes through bearings correspondingly, one end of the rotating shaft penetrates through the separation boxes and then is connected with the stepping motor, and a plurality of magnetic separation pieces are evenly fixed to the rotating shaft in the circumferential direction. The tungsten ore multi-stage separation device is reasonable in structure, easy to use, capable of conducting multi-stage separation on tungsten ore and removing magnetic impurities, capable of improving the separation effect, high in separation efficiency and good in separation effect.

The application discloses a flotation machine for automatic screening of ores, which comprises a flotation barrel for adding minerals and suspensions, a double-head hollow shaft motor provided with power at the bottom center of the flotation barrel, a hollow output shaft of the double-head hollow shaft motor is clamped and engaged in transmission with a power shaft rod, high-pressure gas is sent into the hollow output shaft of the double-head hollow shaft motor by external equipment, the top of the power shaft rod is provided with a bubble beating disc which can slide up and down, when the power shaft rod rotates, the bottom ring gap of the bubble beating disc floats up and down and engages with the inner ring boss of the flotation barrel, the gas passage in the driven shaft rod, the power shaft rod and the branch support is connected, the high-pressure gas is filled into the fluid in the flotation barrel through the driven shaft rod, when the driven shaft rod revolves around the power shaft rod, the driven shaft rod synchronously revolves, when the driven shaft rod revolves, the fluid in the flotation barrel is circulated and stirred in the vertical direction, the contact between the minerals and the suspensions is more sufficient, and the flotation efficiency of the suspensions is improved.

The application relates to an industrial-vision-based barite ore sorting and distributing device and a sorting machine, and belongs to the technical field of ore sorting. The device comprises a supporting frame and a conveying belt assembled in the supporting frame. A high-precision visual detector, a dynamic hot film mechanism and a high-speed visual sensor are sequentially arranged on one side of the supporting frame from bottom to top. The optimized design of the dynamic hot film mechanism realizes efficient water and dirt removal of wet and sticky ores. Two groups of ultrasonic transducers are arranged on the upper and lower sides of the hot air cavity, the vibration direction of the ultrasonic transducers is at a specific angle with the axis of the hot air flow, and the forced air flow formed by the built-in heating rod and the high-pressure vortex fan can make the ultrasonic vibration and the hot air flow act on the ore surface in cooperation, so that the surface moisture can be quickly evaporated through heating, and stubbornly adhered impurities can be peeled off with the help of ultrasonic vibration. Meanwhile, the dustproof net at the output end of the air outlet bin can prevent the backflow of impurities, guarantee the cleanliness of the ore surface after pretreatment, and provide a clear detection object for optical detection.

The invention relates to the technical field of image processing, and discloses an ore sorting image processing method, device and equipment, a medium and a product, the method comprises the steps that an X-ray image of to-be-sorted ore is acquired, and the to-be-sorted ore comprises a plurality of ore particles; determining a target pixel region of at least one target ore particle in the X-ray image, wherein the target ore particle is an ore particle with a particle size value greater than a preset particle size threshold value in the plurality of ore particles; and performing logarithmic transformation on the pixel value of each pixel point in the target pixel region to obtain a target image of the target ore particles. According to the method, target ore particles with the particle size exceeding a preset threshold value in a plurality of ore particles are focused in a targeted manner, the pixel difference of an ore spot area originally covered by an overall deep shadow can be effectively amplified by means of the characteristic of compressing the dynamic range of a bright part and expanding the dynamic range of a dark part of logarithmic transformation, so that the pixel difference can be clearly highlighted from the overall shadow; and the distinguishing degree of the concentrate area is greatly improved.

The invention discloses continuous solid-state microwave intelligent ore sorting equipment which comprises a conveying device, a feeding device, an associated regulation and control device, a material homogenizing device, a microwave radiation device, a recognition device and a sorting device. Wherein the conveying device is used for continuously conveying ores through a plurality of conveying channels; the feeding device and the conveying device are dynamically linked through the associated regulation and control device, so that continuous and uniform feeding is ensured; the material uniformizing device performs two-stage material distribution through the material spacing assembly and the material correcting assembly, so that the ores pass through the recognition area in a spaced arrangement manner; the microwave radiation device is used for selectively heating the ores in the channels with different particle sizes; the recognition device recognizes the grade through infrared thermal imaging and an intelligent algorithm. And the sorting device quickly sorts according to the recognition result. The full-process automation from feeding to sorting is realized, the problems of particle size interference, non-uniform material distribution, insufficient irradiation time and the like are effectively solved, the sorting precision, the processing efficiency and the stability are remarkably improved, and the subsequent mineral separation energy consumption is greatly reduced.

The invention relates to a coal gangue sorting method and system, electronic equipment and a storage medium, and relates to the field of ore sorting.The method comprises the steps that when it is detected that a gas row gun operates, video information of coal gangue is obtained, the motion trail of the coal gangue is determined based on the video information, and if the motion trail of the coal gangue is entering a coal conveying belt, the coal gangue enters the coal conveying belt; if yes, determining the coal gangue as target coal gangue, obtaining an x-ray image of the target coal gangue, determining a characteristic value of the target coal gangue based on the x-ray image of the target coal gangue and the video information, obtaining real-time video information of the main conveyor belt, and determining a target side from two sides of the conveying direction of the main conveyor belt based on the real-time video information, the blank area of the target side is larger than the blank area of the other side, controlling the grabbing device to grab the target coal gangue from the coal conveying belt based on the characteristic value, and controlling the grabbing device to convey the target coal gangue to the target side. The coal gangue in the separated coal can be reduced, so that the coal content is increased.

This invention belongs to the field of mineral processing, and particularly relates to a magnetic ore separation device based on a Hall sensor. A high-efficiency, low-energy-consumption, low-pollution, and high-accuracy magnetic ore separation device based on a Hall sensor includes a workbench; a conveying mechanism is installed on the top of the workbench, and the conveying mechanism has multiple conveying channels; an identification mechanism is installed inside the conveying mechanism and connected to the workbench, and the identification mechanism identifies the ore through the Hall effect; a material distribution mechanism is installed at one end of the workbench. This invention utilizes the fact that magnetite in the ore changes its magnetic induction intensity when passing through a constant magnetic field. This change is detected by the identification mechanism, and the control box automatically controls the material distribution mechanism to complete the pre-selection of magnetite by analyzing the information contained in the sensor signals within the identification mechanism in real time, achieving a high-efficiency, low-energy-consumption, low-pollution, and high-accuracy mineral processing effect.

The utility model relates to the technical field of sampling instruments, and provides a geological survey sampling instrument which comprises a sampling shovel and a shovel handle, a shovel material end of the sampling shovel and an end connected with the shovel handle are both open ends, and the shovel handle is fixed on the sampling shovel; mounting holes are formed in the top, close to the shovel handle, of the sampling shovel and the bottom of the inner wall, a filter screen is detachably connected into the two mounting holes, a steel bar frame located on the outer side of the filter screen is fixed into the sampling shovel, a stirring assembly close to the filter screen is rotationally connected to the steel bar frame, a cover is embedded in the open end of the sampling shovel, and the outer end of the stirring assembly is close to the cover; the ore sorting device has the advantages that the problem that during sorting, due to the fact that a sampling inlet is always in an open state, a worker can suck a large amount of dust, and large-particle ore is hit through rotation to be removed from a mineral sampling bottom shovel, so that ore sorting is strenuous is effectively solved.