186 results about "Product Recycling" patented technology

The invention belongs to the technical field of nonmetal waste and scrap processing, and particularly relates to a waste plastic product recycling and processing device which comprises a recycling mechanism, a crushing box is arranged on one side of the recycling mechanism, two sets of mutually meshed crushing rollers are rotationally installed in the crushing box, gears are installed at one ends of the crushing rollers, and the two sets of gears are mutually meshed. The recycling mechanism comprises a rack, the crushing box is fixedly connected with the rack, two sets of transmission shafts are rotationally installed in the rack, chain wheels are installed at the two ends of each transmission shaft, chains are meshed with the two sets of chain wheels, and a plurality of sets of recycling boxes are distributed between the two sets of chains in a surrounding mode; according to the device, coarse crushed materials are recycled into the crushing box without shutdown, the machining efficiency of waste plastic products is improved, then the coarse crushed materials are automatically conveyed to the upper end opening of the crushing box by driving the multiple sets of recycling boxes to do circular motion, the automation rate of the device is increased, and meanwhile workers can recycle the coarse crushed materials more conveniently in a labor-saving mode.

The invention discloses a film coating process and equipment in a narrow-mouth container, and relates to the technical field of paper container preparation, and the equipment comprises a film coating system, a mold closing system, a vacuum system, a heating system, an adjusting system and a control system. The polylactic acid air bag is adopted as a film covering raw material, so that the produced paper-plastic product has biodegradability, the produced product can be naturally degraded, and the problems that the paper-plastic product is difficult to recycle and treat are solved. According to the invention, the polylactic acid air bag is attached to the inner wall of the molded pulp container by directly utilizing the characteristic that polylactic acid becomes soft and generates colloid after being heated, so that the influence on the volume of the container can be reduced as much as possible, and the environment-friendly characteristic is better. The environment-friendly characteristic and the physical and mechanical properties of the paper mold can be obviously improved, and the application range of the paper mold is expanded. By optimizing and innovating a film laminating process and equipment, a more environment-friendly liquid container can be prepared, and the development and the use of the paper pulp molded container are more in line with the requirements of sustainable development.

The utility model relates to the technical field of plastic recovery, and discloses a plastic product recovery processor which comprises a shell, the middle of the shell is fixedly connected with a crushing box, the left end and the right end of the crushing box are rotationally connected with rotating shafts, the exteriors of the rotating shafts are fixedly connected with crushing rollers, and the rear ends of the rotating shafts are provided with driving assemblies. The bottom of the shell is fixedly connected with a screening plate, the front end of the shell is rotationally connected with a rotating ring, the rear side of the rotating ring is fixedly connected with a plurality of material stirring plates, the outer walls of the material stirring plates are tightly attached to the inner wall of the shell, and a transmission assembly is arranged on the front side of the rotating ring. According to the plastic crushing device, the large gear and the small gear are arranged to drive the rotating shaft at the other end to rotate, the rotating speeds of the two rotating shafts are different, and therefore the crushing roller is driven to rotate, plastic is better crushed, the crushing effect is improved, the rotating material stirring plate can drive the plastic to be turned over and screened, large plastic is driven to move upwards, and the crushing effect is improved. And carrying out secondary crushing.

The invention relates to an explosive wastewater green treatment process which comprises the following steps: S1, a pretreatment stage: pumping collected explosive wastewater into a micro-nano air flotation device to remove suspended solids, oils and surfactants in the explosive wastewater; s2, a resin adsorption stage: pumping the pretreated explosive wastewater into a resin adsorption system, and selectively adsorbing and removing ammonia nitrogen pollutants in the wastewater through resin; s3, a regeneration and desorption stage: carrying out sleeve washing and regeneration and desorption on the resin subjected to adsorption saturation by adopting dilute nitric acid so as to desorb and separate ammonia nitrogen adsorbed in the resin; and S4, a product recycling stage: carrying out impurity removal treatment on a concentrated regeneration desorption solution generated by desorption, and then adjusting the pH value to obtain an ammonium nitrate solution which is recycled in an explosive production process. And S5, a waste liquid treatment stage: adjusting the pH value of the resin adsorption effluent, and conveying the resin adsorption effluent to a sewage station for combined treatment. According to the method, the ammonia nitrogen pollutants in the explosive wastewater can be removed, and meanwhile explosive production raw materials can be recycled.

The invention discloses an accurate temperature control method and system for regeneration and recovery of injection molding products, and relates to the field of temperature control. The method comprises the following steps: analyzing regenerated plastic components in real time through a near-infrared spectrometer, and obtaining a melt index, a thermal stability parameter and a glass transition temperature; establishing a melt apparent viscosity-temperature-shear rate three-dimensional response curved surface model in combination with a rheology theory; the method comprises the following steps: acquiring temperature gradient and pressure data by utilizing a multi-sensor network deployed in each module of a double-screw extruder, calculating an actual shear rate and melt apparent viscosity, and comparing the actual shear rate and melt apparent viscosity with theoretical values to trigger a PID (Proportion Integration Differentiation) neural network to predict temperature fluctuation so as to carry out differential temperature compensation on a feeding section and a melting section; and after each batch of production, model parameters are optimized by adopting a least square method, so that closed-loop intelligent regulation and control in the processing process of the regenerated plastic are realized. The method has the advantages that through the three-dimensional model, the PID neural network differential temperature control is combined, the temperature control problem of the regenerated plastic is solved, the quality stability of products is improved, and the waste rate is reduced.

The invention discloses aluminum ingot production equipment for aluminum product recycling, and relates to the technical field of structural part die-casting aluminum alloy raw material production. The device comprises a smelting furnace, a discharge pipe sealing mechanism, an automatic residue treatment mechanism and a mold cooling process. According to the equipment, a reliable exhaust pipe sealing structure is formed through the sealing seat, the blocking column, the step inner hole and the limiting shifting block, and heat insulation protection is achieved through the heat dissipation gas channel. The outer ring and the inner ring are matched to drive the first clamping plate and the second clamping plate, so that residues in molten aluminum are concentrated and clamped under the action of rotation, and automatic slag throwing outside the smelting furnace is achieved through centrifugal force. The slag collecting cover, the slag discharging opening and the sliding groove form a complete slag discharging path. The forming die moves on the conveying belt, can directly receive molten aluminum to be poured and enter the pouring chamber to be cooled, and the ingot casting efficiency is greatly improved.

The invention provides a product design-oriented product recovery scheme prediction method and system. The method comprises the steps of defining evaluation influence factors of a product recovery scheme; evaluating the relative importance of each factor by using a comprehensive decision-making tool combining an analytic hierarchy process and a decision-making test and evaluation laboratory method, and calculating to obtain a comprehensive weight; the invention discloses recovery scheme probability prediction based on fuzzy comprehensive evaluation. The method comprises the following steps: establishing a factor set consisting of elements of factors influencing an evaluation object; establishing an evaluation set composed of different recovery schemes possibly made for the evaluation object; constructing a fuzzy evaluation matrix based on the factor set and the evaluation set; constructing a weight set fuzzy set of each influence factor based on the comprehensive weight; and obtaining a comprehensive evaluation model based on the weight set fuzzy set and the fuzzy evaluation matrix, obtaining the probability that a certain product part executes a set recovery scheme based on the comprehensive evaluation model, and obtaining a predicted product recovery scheme based on the obtained probability.

The invention relates to the technical field of copper product recycling, in particular to a recycling and cutting device for copper products. The invention provides a copper product recycling and cutting device which comprises a supporting frame, a cutting box is arranged on the supporting frame, a cutter controlled to move is arranged in the cutting box, a first supporting piece and a second supporting piece are arranged on the cutting box, and a connecting rod controlled to rotate is arranged between the first supporting piece and the second supporting piece. The connecting rod is provided with a movable disc which is controlled to move, the movable disc is provided with a grabbing piece which is controlled to move, and residual copper wires on an iron core are stripped by controlling regular grabbing actions of the grabbing piece, so that automation of copper product recycling and cutting is realized, the labor cost is reduced, and the processing efficiency is improved.

The invention discloses a Tucker tensor decomposition-based missing value completion prediction method, and relates to the field of second-hand electronic product recovery evaluation result missing value research and application. The method comprises the following steps: 1) removing abnormal data based on a box plot; 2) removing the feature attributes with relatively high feature attribute missing rate; 3) searching feature attributes highly related to the recovery evaluation result value based on a mutual information mode; and 4) constructing a Tucker tensor decomposition completion model based on the training set, verifying the accuracy of the model by the test set, and finally realizing completion prediction of the missing value of the second-hand electronic product recovery evaluation result. The specific construction prediction process is divided into four small steps: initializing a sparse tensor and a factor matrix, calculating a complemented prediction tensor, calculating the difference Loss between a real tensor and the prediction tensor, descending according to a gradient, and simultaneously circulating the last three small steps until convergence. After model training is completed, the model can be directly provided for related employees to use, and therefore efficient recycling is achieved.

The utility model belongs to the technical field of waste electronic product recycling equipment, and discloses an electronic product recycling box with a dust removal function, which comprises a recycling box body, crushing rollers are symmetrically and rotatably connected in a feeding channel, and a fragment collecting frame is arranged at the bottom of an inner cavity of the recycling box body. The anti-accumulation assembly comprises a placing frame arranged outside the fragment collecting frame, a two-way lead screw is rotationally connected to the lower portion of one side of an inner cavity of the recycling box body, moving blocks are symmetrically connected to the outer portion of the two-way lead screw in a threaded mode, and connecting rods are hinged between the moving blocks and the placing frame through hinge pieces; rollers are symmetrically and rotationally connected to the two sides of the bottom of the containing frame, and wheel grooves are symmetrically and fixedly connected to the bottom of an inner cavity of the recycling box body. The problem that the actual fragment collection amount of the device is smaller than the expected collection amount due to the fact that accumulation of electronic product fragments is difficult to prevent is effectively solved.

The invention relates to the technical field of recycled plastic injection molding equipment, and discloses an injection mold based on a plastic recycling proportion optimization filling structure, the injection mold comprises an operation box, the interior of the operation box is fixedly connected with a fixed mold plate, the fixed mold plate is slidably connected with a movable mold plate through a guide rod arranged on one side of the fixed mold plate, and the injection mold is used for injection molding. The injection mold for optimizing the filling structure based on the plastic recovery ratio can effectively solve the problems that in the prior art, recovered plastic materials are complex in component, come from different products in different fields and are different in melting point, water content, material quality and the like, traditional conveying equipment is difficult to sufficiently and uniformly stir different types of plastics, and the production efficiency is high. The problems that in the prior art, in order to guarantee the quality of produced and processed injection molding finished products, a large number of new plastic particles need to be added when recycled plastic is subjected to injection molding, so that the overall proportion of the recycled plastic is low, the production cost is high, and resource recycling is not facilitated are solved.

The utility model discloses a crusher for plastic product recycling, including positioning base plate, through the integration cylinder and box on positioning base plate, set up the crushing assembly in cylinder and carry out the comminution treatment to plastic film, and the plastic film after crushing enters spiral feeding assembly through the discharge pipe, and then is conveyed to the box, and compaction treatment is carried out to the box by power assembly, and this integrated design makes the plastic film in the recycling process not need to shift among different equipment, greatly shortens the recycling process, improves the overall recovery efficiency, reduces the time and manpower cost, through setting up power assembly in the box and carrying out compaction treatment to the plastic film after crushing, effectively reduce the volume of plastic film, improve its packing density, and the plastic film after compaction treatment can fully utilize the space of transport vehicle and warehouse in the transportation and storage process, reduces the transport frequency and the warehousing area demand, thereby reduces the transportation and storage cost.

The invention belongs to the technical field of machine learning, and discloses a remanufactured product recovery prediction method based on an artificial intelligence model, and the method carries out the prediction of the recovery amount of a remanufactured product through employing a plurality of artificial intelligence models (such as a support vector machine, a random forest, a decision tree, LSTM, TCN, Transformer, N-BEATS and the like), and remarkably improves the accuracy and stability of recovery prediction. Compared with a traditional method, the method has the advantages that nonlinear relation and complex time sequence data can be better processed, and the limitation of a traditional model in processing long-time dependence and high-dimensional data is overcome. Besides, through a multi-model integration and evaluation mechanism, a decision maker can select the most suitable prediction model according to different situations, the recovery decision is optimized, the robustness and the overall prediction capability of the system are improved, and the method is obviously superior to the existing traditional recovery prediction technology.

The utility model discloses a bobbin paper production raw material recycling and crushing device, and belongs to the technical field of paper product recycling. A bobbin paper production raw material recycling and smashing device comprises a box body, a smashing roller and a mold pressing assembly. A crushing opening is formed in the upper side of the box body, the crushing roller is arranged on one side of the crushing opening, and a slitting space is formed between the crushing roller and the crushing opening and used for crushing wood pulp fibers; the mold pressing assembly is arranged at the bottom of the box body and located on the lower side of the slitting space. The mold pressing assembly comprises compression push plates which are symmetrically arranged left and right. In the working state, the compression push plates located on the two sides move in the opposite directions so as to compress smashed wood pulp fibers. And the crushed wood pulp fibers can be compacted and shaped, the volume of the crushed raw materials is reduced, and subsequent recovery is facilitated.

Disclosed are computer-implemented methods, systems and apparatuses for operating a product recycling process for recycling of materials contained in products associated with at least one product identifier.

The invention discloses a block chain enabled electronic product recovery traceability management platform and method, and relates to the technical field of traceability management platforms, after each electronic product recovery behavior is completed, user behavior characteristics and recovery point characteristics are recorded and written into a block chain, different user behavior characteristics and different recovery point characteristics are combined, and the traceability management platform is established. The method comprises the following steps: generating a plurality of state perceptions, establishing a perception set for the plurality of state perceptions, sorting all state perceptions in the perception set based on a traceability factor, adapting an excitation strategy for each state perception through an upper confidence bound algorithm, writing an adaptation result into a block chain for storage, and when the perception set changes according to a scene, sending the adaptation result to the block chain for storage. And dynamically updating the adaptation result in the block chain. The management system constructs a state perception set and introduces an upper confidence bound algorithm to automatically match an optimal incentive strategy for each state perception, can adjust an incentive mode in real time according to a recovery environment and user characteristics, realizes personalized accurate incentive, and greatly improves the user participation degree and the recovery efficiency.

The invention relates to the technical field of image analysis, in particular to an automatic sorting system based on machine vision, and the system comprises a region analysis unit which constructs a two-dimensional plane graph reflecting the distribution of commodities on sale based on the positions of goods shelves in supermarkets and the placement of commodities on the goods shelves, and determines a goods shelf commodity set corresponding to each goods shelf; the trajectory analysis unit obtains the movement trajectory of each customer, and constructs a commodity interaction set corresponding to each customer based on the two-dimensional planar graph in combination with the movement trajectory; the recovery marking unit is used for marking a set formed by the same group of target commodities as a commodity recovery set, acquiring a recovery track corresponding to each commodity recovery set, and determining a plurality of commodity interaction sets corresponding to the commodity recovery sets based on the intersection relationship between the recovery tracks and the movement tracks; and the sorting and recycling unit is used for constructing a corresponding comparison image library according to the plurality of commodity interaction sets corresponding to the commodity recycling set, identifying the target commodities in the commodity recycling set based on the comparison image library and combining an image identification technology, and sorting the target commodities.

The utility model discloses a printing defective product recovery device which comprises a first recovery shell, a second recovery shell and a third recovery shell are sequentially installed below the first recovery shell, a limiting assembly is arranged on the first recovery shell, and a first crushing assembly and a second crushing assembly are sequentially arranged in the second recovery shell from top to bottom. And a collecting mechanism is arranged in the third recycling shell. According to the paper crushing device, the limiting assembly is used for guiding paper, the situation that a large number of paper is stacked and crushed is avoided, and therefore the blocking phenomenon is avoided, through cooperation of the first crushing assembly and the second crushing assembly, multiple crushing treatment is conducted on the paper, the crushing fineness of the paper is improved, and therefore the paper can be conveniently recycled; and meanwhile, shredded paper is collected and treated in a unified mode through the collecting mechanism, iron objects such as staples existing in the printed matter are magnetically attracted through the metal separating mechanism, and screening is achieved.

The efficient multi-shaft flexible wobble plate machine comprises a feeding mechanism arranged on a machine table, a material plate transplanting mechanism is arranged on one side of the feeding mechanism, a wobble plate mechanism is arranged above the feeding mechanism, a first CCD camera and a first LED light source are arranged above the wobble plate mechanism, and a defective product recycling box is arranged between the feeding mechanism and the material plate transplanting mechanism. A display is arranged above the tray transplanting mechanism, and a keyboard is arranged on the front side of the tray transplanting mechanism. The full-automatic chip placing machine has the advantages of high material sucking efficiency, high material sucking precision, high disc placing efficiency, high disc placing precision, tidy disc placing and good disc loading effect, and solves the problems of low disc loading efficiency, poor disc loading precision, high labor intensity of workers and high labor service cost of enterprises caused by the fact that chips are placed on a material disc manually in the prior art; and the problems of low taking efficiency, low tray loading efficiency, poor tray loading effect and high tray loading cost of the chips due to the fact that a mechanical arm is adopted to suck the chips and place the chips on an empty tray in the existing chip tray loading equipment in the market are solved.

The application relates to an organic plate product recycling production line, which comprises a hot oven provided with a hot baking channel penetrating through two ends, a heating module is arranged in the hot baking channel, the heating module is used for heating and softening the organic plate product conveyed through the hot baking channel; a first transfer manipulator is arranged at a downstream position of the hot oven and at an outlet of the hot baking channel; and a mould pressing device is arranged at a downstream position of the first transfer manipulator, the mould pressing device is used for receiving the organic plate product moved from the hot oven by the first transfer manipulator, and the organic plate product is mould pressed into an organic plate sheet. Since the organic plate product is not subjected to cutting or crushing treatment, the fiber length of the organic plate product is basically completely reserved and is not damaged, so that the organic plate sheet after mould pressing can obtain almost all mechanical properties of thermoplastic composite materials, and the performance of the product after secondary processing of the organic plate sheet is excellent and reliable.

The invention discloses a waste rubber product recovery device, and particularly relates to the technical field of waste rubber product recovery, the waste rubber product recovery device comprises a protection box for protection, one side of the protection box is provided with a feed hopper for feeding waste rubber products, and the upper part of the inner cavity of the protection box is provided with a cleaning mechanism for cleaning the waste rubber products; a driving mechanism is arranged on the rear portion of an inner cavity of the protection box and matched with the cleaning mechanism to be used for conveying the cleaned waste rubber products to the discharging hopper to be discharged. According to the waste rubber product recycling device, the arranged driving mechanism drives the cleaning cylinder to rotate in a reciprocating mode, the waste rubber products are fully turned over, collided and rubbed through cooperation of progressive stirring of the arc-shaped bent plate on the waste rubber products and the reverse overturning effect of the stirring plate, and the waste rubber products are recycled through combination of all-dimensional spraying of the pressurized spraying pipe; impurities on the surface and in gaps are efficiently stripped, the cleanliness is effectively improved, and meanwhile the waste rubber product handling capacity is improved.

The utility model discloses a plastic product recycling device which comprises an equipment frame and a conveyor belt arranged on the equipment frame, one end of the conveyor belt is provided with a first processing table, the first processing table is rotatably provided with an air release roller, and the air release roller is fixedly provided with a plurality of puncture protrusions; a second machining boss is arranged on the first machining table away from the conveying belt, a transverse pressing assembly is arranged at the end, close to the second machining table, of the first machining table, a transverse cutting assembly is arranged on the second machining table, and a receiving box is arranged at a discharging port of the second machining table. Before the plastic bottles are flattened, the plastic bottles are punctured through the puncturing protrusions, so that the plastic bottles can be deflated, the sealed plastic bottles are prevented from exploding when being pressed, and the service life of equipment is prolonged.

The utility model belongs to the recovery screening field, concretely is a kind of fastener finished product recovery screening device, including rack;Transmission belt is arranged on the rack;The top of the rack is equipped with support;The support is fixedly connected with magnet;The top of the support is fixedly connected with electric push rod;The output of electric push rod is fixedly connected with connecting frame;The bottom of connecting frame is fixedly connected with shovel frame;The bottom of shovel frame is slidably connected with sieve plate, by setting sieve plate, shovel frame, electric push rod and first inclined hopper, when using, start electric push rod, electric push rod pulls connecting frame and shovel frame and moves, rely on shovel frame to scrape off fastener and iron filings below magnet, to this to complete the cleaning of magnet bottom, in the process of cleaning, rely on sieve plate can screen fastener and iron filings, to this to separate it, to reduce the situation that staff selects again subsequently, iron filings can be classified and recycled subsequently.

The application discloses an environment-friendly soybean phospholipid extraction device capable of avoiding solvent volatilization, relates to the technical field of soybean phospholipid extraction, and aims to solve the problems that the prior art cannot process the gas generated in the extraction by using the oil residue product after use and cannot recycle the oil residue product again. Technical scheme points of the application are as follows: the device comprises a lock, a mixed extraction component, a shaking and vibrating member, a product recycling treatment module and a gas conveying component, the lock is welded to the mixed extraction component, and the mixed extraction component is fixedly arranged on the shaking and vibrating member. Through use of the product recycling treatment module and the gas conveying component, the device can sufficiently process the gas generated in the extraction by using the oil residue product after use, is favorable for resource utilization and environmental protection, can extrude and recycle the oil residue product, and is favorable for greater utilization of the oil residue product.

The invention discloses a waste graphite product recycling method, which comprises the following steps: sequentially carrying out crushing, flotation, impurity removal and microwave reaction on a waste graphite product to prepare graphene oxide. According to the method, the waste graphite product is selected as the raw material, resource recycling is achieved, the production cost is greatly reduced, the waste graphite product is subjected to oxidation corrosion in the long-time service period, the structure has the characteristics of being porous and thin, and permeation of an oxidizing agent is facilitated. Particularly, through a high-pressure microwave reaction process, the prepared graphene oxide has the advantages that the impurity content is extremely low, subsequent purification is not needed, the number of layers is relatively thin and can be less than 8, and the like. The whole process flow realizes no acid residue, no wastewater and waste gas pollution discharge, and the whole preparation process is green and pollution-free.

The utility model relates to the technical field of screw locking machines, in particular to a screw locking machine with a defective product recovery function, which comprises a screw locking device, a feeding device, a discharging device and a defective product recovery device, the feeding device, the discharging device and the defective product recycling device are arranged around the screw locking device in the circumferential direction, and the discharging device moves back and forth between the screw locking device and the defective product recycling device. The defective product recovery device is compact in structure, reasonable in design, high in work adaptability, beneficial to automatic transfer and recovery of defective products, good in defective product recovery effect and capable of reducing production cost.

The invention relates to the technical field of plastic product recycling, and discloses degradable plastic product recycling and reprocessing equipment which comprises a device body, and a first crushing mechanism for crushing plastic products is arranged at the upper end of the interior of the device body; a cooling mechanism for cooling circulating water is arranged at the end, away from the first crushing mechanism, in the device body, and a conveying and screening mechanism for conveying crushed material products is arranged below the first crushing mechanism and the cooling mechanism in the device body. A second crushing mechanism for secondarily crushing the plastic products is arranged below the conveying and screening mechanism in the device body, plastic attached to the upper portion of a first conveying belt can be flapped and vibrated off through rotation of a vibration rod, and iron blocks can be attracted by a magnetic attraction transmission belt to continue to be conveyed forwards after being located below the first conveying belt. And when conveyed to the front end of the second conveying wheel, the iron blocks fall into the iron block collecting tank due to adsorption of the magnetic attraction transmission belt, and the effect of separating and collecting the iron chips is achieved.

The utility model provides a smashing device for plastic products, which relates to the field of plastic product recovery and comprises a smashing machine, the top of the smashing machine is fixedly connected with the bottom of a hopper, the bottom of the smashing machine is movably connected with the outer wall of a collecting bin, and a stabilizing assembly is arranged on one side of the hopper. And the stabilizing assembly comprises a stabilizing frame, a groove and a dust blocking plate, and a discharging mechanism is arranged in the stabilizing assembly. According to the plastic product crushing device, plastic products to be crushed are placed in the hollow groove, the discharging bin is placed in the stabilizing frame, meanwhile, the top of the hollow groove is blocked by the dust blocking plate, the blocking plate is pulled upwards to be taken out through the sliding block, and dust is blocked when the plastic products are placed in through blocking of the positioning groove and the discharging bin on the plastic products; and the crushed plastic products in the hollow groove are pushed to the feeding opening of the hopper, so that feeding of the plastic products is facilitated, and the recovery efficiency of the plastic products is improved.

The invention relates to the technical field of recovery processing, in particular to electronic technology product recovery processing equipment which comprises a liquid sorting box, a mechanical arm is fixedly installed on the liquid sorting box, a scraper is arranged on the mechanical arm, a bottom plate is rotatably installed at the bottom of the liquid sorting box, and two sets of air cylinders are arranged between the bottom plate and the liquid sorting box. A sorting assembly is installed on the outer surface of the liquid sorting box and comprises a first sorting bin, a first roller way machine is rotatably installed in the first sorting bin, and a second sorting bin is installed at the bottom of the first sorting bin; the invention aims to utilize two groups of second pipelines connected with the first pipeline to synchronously pump residual water at the bottom of the second sorting bin to the collecting box to form complete water circulation, avoid the corrosion problem caused by accumulation of water in the equipment in the sorting process through centralized collection and directional conveying, reduce the manual cleaning frequency and improve the sorting efficiency. And the waste of water resources is reduced.

[Problem] To both recover a greater amount of valuable material from a used product obtained by mixing a reused item and a recycled item, suppressing the amount of waste to the extent possible, and create an environment that eliminates concerns regarding data leakage and allows a provider, who provides worn-out electronic devices, to provide a used item to a collector without anxiety. [Solution] A used product recovery device 1 comprises: an authentication unit 23 that authenticates a user 102; a data erasure unit 7 that erases data stored in a used product 103; a sorting unit (reused item accommodation unit 81 and recycled item accommodation unit 82) that classifies used products from which data has been erased into two or more types including reused items and recycled items; and an association information providing unit 21 that provides, to an external device 106 related to confirmation of data erasure with respect to the reused items and the like, association information indicating an association between the user 102 authenticated by the authentication unit 23 and the reused item or the like that the user 102 desires to have picked up.