143results about How to "Improve sorting effect" patented technology

The invention discloses a circulating sorting assembly and a turning type intelligent sorting system. The circulating sorting assembly comprises a temporary storage bin, at least two circulating bins, a plurality of storage bins, first sorting equipment, a first conveying pipeline, a first conveying channel, a reversing assembly and a first warehousing channel. The output end of the temporary storage bin communicates with the first conveying channel, the output end of the first conveying channel is connected to the input end of the first sorting device, the output end of the first sorting device communicates with the first conveying pipeline and the first warehousing channel, the output end of the first conveying pipeline communicates with the circulation bin, and the reversing assembly is arranged in the first conveying pipeline. By arranging the temporary storage bin, the circulating bin, the storage bin, the corresponding sorting equipment, the corresponding conveying channel, the corresponding reversing assembly and the like, the plastic bottles can be cyclically sorted for multiple times, the plastic bottles of different types (for example, the plastic bottles are distinguished according to materials, colors and the like) are sorted out and stored separately, the multi-stage classification problem is effectively solved, and the sorting accuracy and comprehensiveness are improved.

The invention relates to a coarse particle fluidized bed column separation kinetic analysis device and method, belongs to the technical field of mineral processing and resource recovery, and solves the problem that fluidized bed column separation kinetic analysis is difficult to systematically develop. The device comprises a fluidized bed column, a filling medium, a slurry supply unit, a water supply unit and a gas supply unit, the fluidized bed column comprises a barrel body, the filling medium is arranged in the barrel body, the volume of the filling medium is reduced from bottom to top in a layered mode, the slurry supply unit comprises a slurry mixing barrel and a first conveying pipeline, and the first conveying pipeline is communicated with the slurry mixing barrel and the top of the barrel body; and the water supply unit is communicated with the air supply unit and then communicated with the lower part of the barrel body. According to the invention, the multi-element and multi-scale filling medium is adopted to disperse fluid and assist fluidization, and is limited between the two screens, so that the use amount of clear water and materials is reduced, a fluidized bed column separation dynamic test is optimized from the aspect of structure, the follow-up wastewater treatment amount of coarse grain mineral fluidized bed column separation of an actual separation plant is reduced, and the production cost is reduced. And the production cost of a selection plant is saved.

The invention discloses separation equipment for steel balls with different diameters and a sorting method.The separation equipment comprises a rack, a mounting base, a supporting frame, a bottom plate, a compression spring and a vibration motor, a screening mechanism is arranged in the mounting base and comprises an adjusting mechanism, a mounting mechanism and a driving mechanism, and the adjusting mechanism comprises a transmission roller, a guide groove, a guide rail, a guide block and a sliding block; the transmission roller is movably connected to the inner surface of the mounting base, the guide grooves are threaded and are distributed in a mirror image mode with the transmission roller as the center point, the guide rails are symmetrically arranged on the top surface of the mounting base, the guide blocks are in sliding fit with the guide rails, and the sliding blocks are in sliding connection with the guide grooves. According to the separation equipment and the separation method for the steel balls with the different diameters, due to high-precision transmission of the transmission chain wheels and the transmission chains and precise matching of the transmission rollers and the sliding blocks, the adjustment precision of the distance between the screening rods is guaranteed, the preset separation requirement can be met, and the high-precision separation requirement is met.

The invention belongs to the technical field of aluminum ash recycling treatment, and relates to an aluminum particle recycling device and method.The aluminum particle recycling device comprises a machine frame, a treatment bin, a ball mill, a dust remover, a dust removal mechanism, a secondary grinding mechanism and a feeding mechanism, and the dust remover, the treatment bin and the ball mill are sequentially installed on the machine frame from left to right; the discharging end of the ball mill is communicated with the top of the treatment bin, a dust removal mechanism is arranged on the dust remover, and a secondary grinding mechanism and a feeding mechanism used for conveying materials are arranged in the treatment bin. When the aluminum ash is treated, the aluminum ash can be ground through the ball mill and then subjected to secondary grinding through the grinding block, and dust collection and separation treatment can be performed after each time of grinding, so that two times of grinding and separation treatment are realized, and the recovery purity of the obtained aluminum particles is higher.

The invention discloses a PET bottle flake classifying and screening system, and relates to the technical field of PET bottle flake recycling, the PET bottle flake classifying and screening system comprises a first conveying belt and a mounting roller, a material distributing roller is rotatably arranged in a connecting cylinder, an adjusting mechanism is arranged in an outer box, and first electromagnetic plates are symmetrically arranged on the inner side of the first conveying belt; an electromagnetic roller is arranged in the driving roller at one end of the first conveying belt, an eddy current magnetic roller is arranged in the driving roller at one end of the second conveying belt, a mounting roller is fixedly arranged in the fixing cylinder, second electromagnetic plates are fixedly arranged in a plurality of mounting grooves in the mounting roller, and a sorting mechanism is arranged on the mounting roller. According to the PET bottle chip sorting device, the first electromagnetic plate, the electromagnetic roller and the eddy current magnetic roller are arranged, so that different PET bottle chips are conveniently sorted, meanwhile, the sorting mechanism is arranged, so that the PET bottle chips with iron metal are conveniently subjected to secondary sorting, and an electric push rod and an infrared detector are arranged, so that the sorting efficiency is improved. The discharging amount of the discharging end of the connecting cylinder can be adjusted by adjusting the position of the adjusting plate.

The invention discloses a beneficiation method of refractory iron ore with symbiotic hematite, limonite and siderite, which comprises the following steps of: crushing weakly magnetic refractory iron ore to below 100mm in a closed circuit, then sequentially carrying out three times of dry screening to obtain four particle fractions of 0-6mm, 6-15mm, 15-40mm and 40-100mm, pre-selecting the particle fractions of 6-15mm by adopting a dry high-intensity magnetic separator, pre-selecting the particle fractions of 15-40mm by adopting a chunk jigger, pre-selecting the particle fractions of 40-100mm by adopting a photoelectric intelligent separator, and pre-selecting the particle fractions of 40-100mm by adopting a high-intensity magnetic separator; photoelectric intelligent pre-selected concentrate is crushed to 0-40 mm through a fine crushing closed circuit, then jigging pre-selected concentrate is combined, then the photoelectric intelligent pre-selected concentrate is crushed to 0-6 mm through an ultra-fine crushing closed circuit, an ultra-fine crushing product is combined with the 0-6 mm fraction, then wet type strong magnetic pre-selection is conducted through a coarse grain wet type strong magnetic separator, the pre-selected concentrate is subjected to ore grinding-fine grain wet type strong magnetic one-coarse one-scavenging one-coarse one-scavenging one-fine one-scavenging reverse flotation, and the final concentrate is obtained. And final concentrate is obtained. The invention has the advantages of large raw ore selection granularity, large tailing discarding amount, low energy consumption, good separation effect and the like.

The utility model provides a material winnowing device. The material winnowing device comprises a box body, an air suction pipe, a suction fan and a discharging pipeline, a feeding port is formed in the top of the box body, the right side of the box body extends out of the box body to form an air suction pipe opening with the caliber gradually reduced from left to right, the air suction pipe is communicated with the air suction pipe opening, the bottom wall of the box body is obliquely arranged downwards from the right side of the box body to the left side wall of the box body, and the tail end of the bottom wall is connected with a right pipe wall arranged downwards. A guide plate which is obliquely arranged towards the lower right side is formed on the lower section of the left side wall, and a left pipe wall which is arranged downwards is connected to the guide plate; the top end of the right pipe wall is higher than the top end of the left pipe wall, and the right pipe wall and the left pipe wall define a discharging pipeline. According to the material winnowing device, by arranging the suction fan, airflow enters the box body through the discharging guide pipe to conduct winnowing on the materials, light materials are discharged through the suction pipe, and therefore the sorting effect and the sorting efficiency are improved, and the efficient production requirement can be met.

The utility model discloses a fish fry catching and screening device, relates to the technical field of fish fry catching, solves the problems that an existing device is poor in catching effect and inconvenient to sort, and adopts the following scheme that a rotating shaft is assembled on the top face of a supporting column. The electric telescopic rod can drive the fishing net to move forwards so as to adjust the distance from the fishing net to the shoreside, and the rotating shaft can drive the fishing net to rotate, so that the water entering place of the fishing net can be adjusted in a large range, and the fishing effect is improved; the fishing net is driven by the rotating shaft to rotate to the position above the screening box, then the position of the fishing net is adjusted through the electric telescopic rod, and therefore fish fries on the fishing net can be poured into the screening box conveniently, screening can be conducted on the shore, and the fish fry sorting efficiency and effect can be improved through the screening drawer.

The invention relates to a recommendation method and device based on a sorting target, computer equipment and a storage medium, and the method comprises the steps: obtaining a training sample; the training sample comprises historical interaction data of a plurality of sample users and corresponding articles; based on the AUC indexes in the recommendation scene, constructing an optimization target of the initial recommendation model; based on the optimization target, the training sample and a preset loss function, training the initial recommendation model to obtain an article recommendation model; and according to the user characterization and the article characterization output by the article recommendation model, predicting the interest score of the user and the recommended article, so as to obtain a recommendation sorting result of the recommended article according to the interest score. Through the method and the device, the optimization target of the initial recommendation model can be constructed based on the AUC index in the recommendation scene, so that the optimization target and the sorting target in the recommendation scene are more uniform and adaptive, and the sorting effect of the recommendation model is improved.

The utility model discloses a rice seed sorting system, and relates to the technical field of rice seed processing. The rice seed sorting system comprises a base, a shaking assembly and an adjusting assembly, a U-shaped frame is fixedly installed at the top of the base, a movable box is arranged on one side of the U-shaped frame, a sorting frame is arranged at the top of the base, the shaking assembly is arranged on the U-shaped frame, the adjusting assembly is arranged on the movable box, and the adjusting assembly comprises a threaded column, a movable plate and a limiting block. A movable plate is arranged on the threaded column, a limiting block is fixedly installed on one side of the movable plate, and the other side of the limiting block and the outer wall of one side of the sorting frame are fixedly installed. By arranging the adjusting assembly and adjusting the inclination angle of the sorting frame, the movement track and speed of the seeds on the sorting frame can be changed, so that the standing time and position of the seeds on the sorting frame are changed, the seeds and impurities can be effectively separated, the sorting accuracy can be improved, and the conditions of wrong sorting and missing sorting are reduced; the sorting efficiency is improved.

The invention relates to the technical field of sorting devices, and discloses a food processing sorting device which comprises a base, a sorting assembly is arranged above the base, a feeding assembly is fixedly installed at the top end of the sorting assembly, a supporting frame is arranged at the bottom end of the sorting assembly, a vibration assembly is arranged in an inner cavity of the base, and the sorting assembly comprises a sorting barrel. Soybeans can be subjected to secondary sorting through the sorting assembly, screening is more thorough, the screened soybeans can be sorted into corresponding collection vessels, dust attached to the outer surfaces of the soybeans can be removed during sorting, the cleaning workload during later processing is reduced, and the cleaning efficiency is improved. Materials can be scattered on the sorting assembly in a scattered mode through the feeding assembly to be sorted, the scattering assembly can be adjusted according to the sizes of the materials, the phenomenon of material blocking is avoided, the vibration amplitude can be adjusted through the vibration assembly, meanwhile, the materials are rapidly scattered through multi-direction shaking, and the sorting effect is improved.

The invention provides an adjustable spiral chute lattice bar based on the flow velocity of ore pulp and a design method of the adjustable spiral chute lattice bar, and relates to the technical field of spiral chute structures.The design method comprises the steps that S1, the height of the adjustable lattice bar is selected; s2, determining radiuses of a starting point and an end point of each lattice bar; s3, selecting the width of lattice bars; s4, selecting an interval angle between adjacent lattice bars, and determining the total number of the lattice bars; s5, optimal deflection angles of lattice bars under different working conditions are selected, and the stiffness coefficient of springs in the adjustable structure is determined; s6, the length and height of lattice bar limiting transverse columns are selected, and the positions of the limiting transverse columns are determined; and S7, checking the deflection angle of the designed adjustable lattice bars and the sorting performance of the spiral chute, if the performance meets the standard, ending the design, and otherwise, repeating the steps S1-S6. The adjustable lattice bars can adapt to the change of the flow velocity of the ore pulp, so that the separation effect of the spiral chute is improved, and the spiral chute can keep efficient and stable performance at different flow velocities of the ore pulp.

The invention relates to the technical field of powder concentrators, and discloses a powder concentrator with a scattering structure, the powder concentrator comprises a blanking shell, an air supply shell and an air outlet shell, one side of the blanking shell is connected with the air supply shell through a bolt, and the other side of the blanking shell is connected with the air outlet shell through a bolt; the interior of the discharging shell is rotationally connected with a scattering assembly and an air guide assembly, and an execution assembly is installed on the back face of the discharging shell. By arranging the execution assembly, the angle positions of the scattering grating plate and the air guide grating plate can be adjusted, optimization is conducted according to materials with different characteristics, for example, for hard materials, the angle of the scattering grating plate can be increased so as to increase the collision strength, and the scattering effect is improved; for materials with large viscosity, the angle can be adjusted so that the materials can stay on the scattering grating plate for a longer time so that the materials can be scattered better, the purpose of adjusting the particle size of selected powder can be achieved by finely adjusting the angle, and the adaptability of equipment to different materials is improved.

The invention relates to the technical field of signal processing, data characterization and classification, and discloses a radar signal spectral clustering sorting method based on SOM anchor point extraction and graph fusion, which comprises the following steps of: configuring a radar signal sorting cluster number and radar pulse parameters, obtaining a normalized radar pulse data set, and storing the normalized radar pulse data set; taking each normalized radar pulse in the radar pulse data set as a node, and constructing a KNN graph of the radar pulses; extracting anchor points of the normalized radar pulse data set based on SOM, calculating the similarity between the extracted SOM anchor points and all nodes to obtain a similarity matrix, and constructing an anchor map adjacent matrix based on the similarity matrix, namely a self-adaptive anchor map; performing weighted fusion on the KNN graph and the self-adaptive anchor graph to obtain a fusion graph; and performing spectral clustering sorting based on the radar signal sorting cluster number and the fusion image to obtain a sorting result. According to the method, the limitation that only distance information and density information can be utilized in a classic radar sorting clustering algorithm is broken through, and the sorting performance under the condition of complex radar pulse distribution 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 discloses a spherical powder sorting device, which comprises a supporting component, a powder sorting component and a powder sorting component, the supporting component comprises a supporting machine frame, a stand column and a supporting bottom frame, the stand column is fixed at the bottom of the supporting machine frame, and the supporting bottom frame is welded at the bottom of the stand column; and the swinging part comprises a sorting frame, a rotating wheel, a rotating disc, a crank connecting rod, a vertical rod, an arc-shaped handle and a supporting ring, the rotating wheel is located at one end of the top of the supporting machine frame, the rotating disc is driven to be arranged in the middle of one side of the outer surface of the rotating wheel, the supporting rod rotates to one side of the rotating disc, and the arc-shaped handle is fixed to the outer side of the supporting rod. When an existing sorting device is actually used, after spherical powder enters the sorting device, a small amount of spherical powder still remains at all corners of the device even though the spherical powder passes through a normal sorting process, the residual powder is difficult to participate in effective sorting work again, the sorting precision is reduced, and the sorting efficiency is improved. The quality and the performance of a final product are further influenced.

The present application belongs to the field of non-ferrous metal dressing process, and relates to a grinding-flotation short process separation method for processing fine molybdenite. The process uses a high-pressure roller mill and a tower mill crushing and grinding process to replace the fine crushing and two-stage continuous ball milling operation in the traditional crushing and grinding process, and uses a flotation column to replace a flotation machine for flotation operation, thereby simplifying the production process flow of molybdenite. The present application has the advantages that the high-pressure roller mill and the tower mill change the crushing and grinding mode of the ore, significantly reduce the crushing and grinding energy consumption, and more effectively protect the flaky structure of molybdenite. The particle size distribution of the grinding product is reasonable, and the amount of fine and micro-fine particles (-20 μm) is reduced, thereby creating good conditions for the flotation operation. The flotation column is used for flotation, compared with the flotation machine, the recycling of middling slurry is reduced, the fine molybdenite that has been dissociated is fully recovered, and the recovery rate of molybdenite is improved. In addition, the flotation column flotation is beneficial to obtaining high-grade concentrate product, and improves the separation index and economic benefits of molybdenite.

The utility model relates to mineral sorting equipment technical field, concretely relates to a kind of equipment for realizing mineral sorting using the change of magnetic flux density, including sorting shell, still including left magnetic pole, right magnetic pole and frame body, the shape and size of left magnetic pole and right magnetic pole are identical, left magnetic pole and right magnetic pole are respectively symmetrically arranged in the two sides of sorting shell and the polarity of opposite two poles is opposite, along the width direction of the sorting shell, the spacing between left magnetic pole and right magnetic pole gradually decreases;The upper end of the sorting shell is equipped with feeding port, lower end is equipped with at least two discharge ports distributed along the width direction of sorting shell, and the sorting shell, left magnetic pole and right magnetic pole are all fixedly connected with frame body.The utility model makes the magnetic flux density in sorting area gradually change, so that magnetic mineral and non-magnetic mineral will gradually separate when falling, so that magnetic mineral and non-magnetic mineral can be sorted and discharged from different discharge ports.

The invention relates to the field of material sorting, in particular to an equipment control method, material sorting equipment and a computer readable storage medium. The equipment control method comprises the steps that in the material sorting process, the original grade of each material in to-be-sorted materials is detected, and the material detection grade of the to-be-sorted materials and the sorting detection grade corresponding to the sorting result are determined; respectively determining the actual material grade of the to-be-sorted material and the actual sorting grade of the sorting result; based on a first comparison result between the material detection grade and the actual material grade and / or a second comparison result between the sorting detection grade and the actual sorting grade, the material sorting condition is determined; and if the material sorting condition is abnormal, an abnormal mechanism in the material sorting equipment is determined and adjusted online, so that the material sorting condition is recovered to be normal. The situation that the material sorting equipment is shut down for maintenance can be reduced, and the material sorting effect is improved.

The utility model provides an industrial hazardous solid waste sorting device which is characterized in that a screening assembly is arranged at the top of a bottom plate, and magnetic attraction assemblies are arranged at the top of the bottom plate and located on the front side and the rear side of the screening assembly; the screening assembly comprises a fixing base arranged at the top of the bottom plate, and a first rotating rod is transversely and rotatably arranged on the inner side of the fixing base. According to the industrial dangerous solid waste sorting device, a first rotating rod rotates to drive a connecting block to rotate, then a pulling plate on the inner side of the connecting block is driven to rotate around the rotating axis of the connecting block, a containing block is pulled by the pulling plate, a screening frame is driven to move downwards, the pulling plate continues to rotate along the axis of the connecting block, and then a spring deforms; when the placing block is upward, the spring pushes the screening frame to be upward, solid waste in the screening frame is vibrated and turned over, metal is separated through cooperation with the electromagnet which reciprocates back and forth, the structure is simple and practical, the sorting effect is effectively improved, and the manual participation labor amount is reduced.

The utility model provides a kind of polysilicon crushing screening system, the purpose is to solve the technical problems of the particle size deviation of the silicon material after screening during the production of existing polysilicon.The system includes crushing mechanism, screening mechanism, back mechanism, sorting mechanism and broken material collecting device, the feeding end of screening mechanism is communicated with the discharge end of crushing mechanism, the feeding end of back mechanism is communicated with the large material outlet of screening mechanism, the discharge end is communicated with the feeding end of crushing mechanism, the import of sorting mechanism is communicated with the to-be-sorted material outlet of screening mechanism, and the broken material collecting device is communicated with the broken material outlet of screening mechanism.The utility model first carries out primary screening through screening mechanism, controls the silicon material in key interval, then further classifies by feeding it into the additionally added sorting mechanism, and the sorting mechanism classifies again according to the particle size of silicon material, so as to reduce the appearance quality deviation of each bag product, and change the polysilicon packaging into more fine control.

The present application relates to the field of computers, and in particular to the field of artificial intelligence, and provides a method, apparatus, device and storage medium for video retrieval to solve the problems of low quantization efficiency and low accuracy. The method includes: extracting features of the image features of the video to be retrieved to obtain a first quantized feature, and then based on the first quantized feature, obtaining a second candidate video with a high category similarity to the video to be retrieved, and finally using the second candidate video with a high content similarity to the video to be retrieved as the target video. The quantization control parameters are adjusted according to the texture feature loss value corresponding to each training sample, so that the target quantization processing sub-model learns the sorting ability of the target texture feature sub-model, ensuring that the sorting effects of the two sub-models tend to be consistent, and the end-to-end model architecture enables the target quantization processing sub-model to obtain the corresponding quantized features based on the image features, thereby improving the generation accuracy of the quantized features and the recall performance of the video retrieval.

The utility model provides a magnetic bead sorting NK immune cell preparation and extraction device which comprises a base, a control shell is upwards arranged on the base, a magnetic field shell is arranged in the middle of the front side of the control shell, and a plurality of magnetic field grooves are inwards formed in the front side of the magnetic field shell. Each magnetic field groove comprises a first-level magnetic field groove located on the upper portion and a second-level magnetic field groove located on the lower portion, the section of each first-level magnetic field groove is larger than that of the corresponding second-level magnetic field groove, and a first-level magnetic field electromagnet is arranged on the periphery of each first-level magnetic field groove in the magnetic field shell. A secondary magnetic field electromagnet is arranged on the periphery of each secondary magnetic field groove in the magnetic field shell; the chromatographic column is divided into a sample section, a first-stage chromatographic section matched with the first-stage magnetic field groove and a second-stage chromatographic section matched with the second-stage magnetic field groove from top to bottom. The utility model provides a grading magnetic bead sorting structure, which can effectively avoid the blocking phenomenon, effectively improve the sorting efficiency of cells and improve the final yield.

The utility model relates to a four-stage precision grading system for superfine high-purity aluminum powder, which comprises a vertical grading box body, and first, second, third and fourth-stage separation cavities, and is technically characterized in that the bottoms of the first, second, third and fourth-stage separation cavities are respectively provided with a conical sieve plate, the top of the vertical grading box body is provided with a stirring motor, and the first, second and third-stage separation cavities are internally provided with an integrated stirring shaft; screen holes of conical hopper-shaped screen plates of the first-stage separation cavity, the second-stage separation cavity and the third-stage separation cavity are sequentially reduced, a plurality of hollow stand columns are evenly arranged in the fourth-stage separation cavity, through hole sets are formed in the outer walls of the hollow stand columns, and fine net layers are arranged on the inner surfaces of the hollow stand columns. Discharging openings communicating with the lower ends of the hollow stand columns are formed in the bottom face of the vertical classification box body, collecting hoppers communicating with the discharging openings are arranged at the bottom of the vertical classification box body, and outlets used for being connected with a suction unit are formed in the lower ends of the collecting hoppers. The system solves the problem that scattering blind areas exist in aluminum powder, and the screening effect and the screening efficiency are remarkably improved.

The utility model relates to the field of activated sludge process, in particular to an activated sludge process sludge sorting device with high settling performance, which comprises a lower barrel and an upper barrel, the upper barrel is inserted into the lower barrel downwards from the top of the lower barrel, and the bottom of the upper barrel is provided with a sludge storage cavity through a funnel barrel; the lower barrel body and the upper barrel body are of an integrated structure, the lower barrel body and the upper barrel body are communicated through four vertically-arranged communicating pipelines, and a rotating shaft is vertically and rotationally arranged in the middle of the upper barrel body. According to the utility model, the lower cylinder body, the upper cylinder body and the sludge storage cavity are matched to sort activated sludge with different settling properties, and the rotating shaft drives the low partition plate and the high partition plate to rotate, so that the opening and closing of a communicating pipeline can be realized, and the communication between the lower cylinder body and the upper cylinder body can be freely controlled; the activated sludge liquid in the upper barrel body cannot enter the lower barrel body during sludge-water separation, so that the separation effect on activated sludge with different settling properties is improved.

The present disclosure provides an information sorting method and device, an electronic device and a storage medium, which relate to the field of data processing technology, and in particular to intelligent search and information recommendation systems. The implementation scheme is: obtaining a list to be sorted; obtaining multiple first representation vectors corresponding to multiple information respectively; in response to the absence of a historical information list obtained in response to a previous information request, adding a randomly generated placeholder vector to the multiple first representation vectors; performing attention encoding processing on the multiple first representation vectors and the placeholder vectors to obtain multiple first fused representation vectors corresponding to the multiple first representation vectors and a second fused representation vector corresponding to the placeholder vector; and obtaining multiple first scores based on the multiple first fused representation vectors to determine the second order of the multiple information.

The utility model relates to the field of winnowing machines, in particular to a circulating winnowing stoning machine which comprises a base shell, a feeding port, an air inlet, a first discharging port and a second discharging port are formed in the base shell, a feeding hopper is arranged at the position of the feeding port of the base shell, an air blower is arranged at the position of the air inlet of the base shell, a conveying belt is arranged in the base shell, and a partition plate is arranged on the conveying belt. The partition plate divides the conveying belt into a first conveying path and a second conveying path, a first adjusting plate is adjustably arranged on the partition plate so as to adjust the size of an opening in the top of the first conveying path and the size of an opening in the top of the second conveying path, the first conveying path is connected with the first discharging port, and the second conveying path is connected with the second discharging port; the feeding port and the air inlet are located above the partition plate, the first conveying path is arranged close to the air inlet, the second conveying path is arranged far away from the air inlet, materials of the feeding port face the upper portion of the first conveying path, and the air blower blows the light part of the materials to the second conveying path through the air inlet. The winnowing effect of the winnowing machine can be improved.

The invention relates to the technical field of agricultural seed processing, in particular to an agricultural seed continuous drying and sorting device which comprises a supporting frame, a shell is fixedly connected to the upper end of the supporting frame, a lower side plate is fixedly connected to the obliquely-downward end of the shell, and an upper side plate is fixedly connected to the obliquely-upward end of the shell. A circular through hole is formed in the side face of the lower side plate in a penetrating mode, a circular groove is formed in the side face of the upper side plate in a penetrating mode, an annular rotating groove is formed in the inner side wall of the upper side plate, and an inner sorting roller and an outer sorting roller are rotationally installed on the inner side of the shell; the seed sorting device has the beneficial effects that seeds are guided into an inner cavity of the inner sorting roller through the feeding hopper, the inner sorting roller and the outer sorting roller are driven to rotate through the driving mechanism, hot air is introduced into the first air guide mechanism, the second air guide mechanism and the third branch air pipe through the air inlet mechanism, and the seeds firstly roll downwards along the inner cavity of the inner sorting roller; the seeds are guided through the first spiral mechanism, and the rolling time of the seeds in the inner cavity of the inner sorting roller is prolonged.

This utility model discloses a seed vibration sorting machine, including a vibration sorting component comprising a base plate, support columns symmetrically fixed on the base plate, a first fixing plate fixed on the support columns, and a spring fixed on the first fixing plate; a dust-raising component disposed at the feed inlet, capable of lifting the seeds entering the feed inlet and removing floating dust adhering to the seeds; and a negative suction component. This seed vibration sorting machine can separate some of the dust adhering to the seeds by lifting them, and then remove this dust using a vacuum cleaner. During the vibration separation process, the floating dust remaining on the seeds is further separated and sucked away by a nearby corresponding suction pipe, making the seeds cleaner. Furthermore, by fixing a barrier strip to the screen plate, seeds are prevented from rolling directly along the screen plate, thereby increasing the time the seeds remain in the sorting machine's inner cavity and improving the sorting effect.

A Chinese torreya hulling and sorting machine comprises a machine frame, a hulling device and a winnowing device are arranged on the machine frame, and the Chinese torreya hulling and sorting machine is characterized in that the winnowing device and the hulling device are vertically arranged on the machine frame in a front-back adjacent mode, a material receiving disc is arranged on the machine frame and located below the hulling device and the winnowing device, and the material receiving disc is fixed to the machine frame through a linear vibrator; the winnowing device comprises a negative-pressure air bellow, a negative-pressure fan is arranged at the upper end of the negative-pressure air bellow, an air suction opening of the negative-pressure fan is communicated with the negative-pressure air bellow, shell suction channels are arranged on the two sides of the negative-pressure air bellow respectively, lower end openings of the shell suction channels are close to the material receiving disc, and the upper ends of the shell suction channels are communicated with the negative-pressure air bellow. The negative pressure air box is used for forming negative pressure in the negative pressure air box to suck hulled torreya grandis shells; shell baffle plates are symmetrically arranged at the upper end in the negative pressure air box; a shell discharging hopper is arranged on the lower portion in the negative pressure air box, and the lower end of the shell discharging hopper penetrates out of one side of the negative pressure air box. The device has the beneficial effects that the shelling effect is good, and kernels are not easy to damage; the nut and shell sorting effect is good; the labor intensity is reduced, and the working efficiency is improved.