4227results about "Mechanical material recovery" patented technology

The present invention relates to the technical field of waste plastic processing. Disclosed is a waste plastic recycling and regeneration device having crushing and cleaning functions. The present invention aims to solve the technical problems of part of powdered impurities in semi-finished plastic particles being easily affected by rolling, vibration and impact of plastic to scatter and flow away, seriously affecting subsequent feeding and processing and polluting the surrounding working environment. The present invention comprises an outer cylinder, an ultrasonic transducer is sleeved at the middle of the outer wall of the outer cylinder, and a top cover is sleeved at the top of the outer cylinder. According to the present invention, a continuously falling water curtain can be formed at the top of the inner cylinder, to continuously intercept and purify part of powdered and scattered impurities; leakage and discharge of first leakage holes and second leakage holes can be further regulated and controlled, and sealing partition, mesh layer screening and centralized discharge are implemented; part of powdered and scattered impurities is continuously intercepted and purified; and an aeration pipe aerates cleaning water in an inner cylinder to promote the stirring and tumbling of semi-finished plastic particles in the cleaning water.

The invention relates to plastic recovery equipment, and belongs to the technical field of plastic bottle recovery, the plastic recovery equipment comprises a first crushing cylinder and a second crushing cylinder, the middle parts of the first crushing cylinder and the second crushing cylinder are communicated with each other, and a feed hopper is fixedly communicated above the communication part of the first crushing cylinder and the second crushing cylinder; the lower portion of the communicating part of the first smashing cylinder and the second smashing cylinder is fixedly communicated with a separating cylinder, the lower side of the separating cylinder is communicated with a cleaning cylinder, smashing assemblies rotating oppositely are arranged on the inner side of the first smashing cylinder and the inner side of the second smashing cylinder correspondingly, and guide sleeves are fixedly arranged on the two sides of the upper portion of the inner side of the separating cylinder correspondingly; sliding plates are arranged on the sides, close to each other, of the two guide sleeves in a front-back sliding mode, a transmission mechanism for driving the two sliding plates to slide oppositely at the same time is arranged on the outer side of the separation barrel, and an air blowing mechanism is arranged on one side of the separation barrel.

A system and method are provided for sorting and recovery of recyclable materials, and in particular, sorting and recovery of recyclable materials from mixed waste comprising municipal solid waste in a materials recovery facility. A fluffer can be used to re-size and liberate the incoming materials to a suitable size for further processing in size screen equipment and subsequent downstream separation. The fluffer can re-size the material to a size of approximately 20 inches or larger, plus / minus a few inches, whereby reducing the material to a smaller size would impact the splits in subsequent downstream equipment.

The invention discloses circulating type plastic waste recovery treatment equipment, and belongs to the field of plastic waste recovery. Circulating type plastic waste recovery treatment equipment comprises a base, a main tank is integrally formed at the top of the base, a funnel communicates with the top of the main tank, and a crushing shell communicates with the top of the funnel. By arranging a second motor and a crushing roller, plastic waste is put into the crushing shell, the waste is crushed by the crushing roller, and preliminary crushing treatment is conducted; the size is reduced, and subsequent cleaning treatment steps are facilitated; and the cone valve below the mesh cylinder realizes intermittent descending and ascending resetting in the reciprocating rotation of the rotating rod, so that the opening and closing of the bottom of the mesh cylinder are controlled. By means of the design, the falling number of plastic particles can be accurately controlled, excessive particles are prevented from falling below the main tank to be soaked at a time, and the secondary cleaning effect is ensured; and by intermittently opening and closing the cone valve, each particle can have enough time to be fully cleaned in the soaking process.

The invention belongs to the technical field of waste resource recycling, and particularly relates to a waste resource recycling plastic product manufacturing and forming device which comprises a base, an injection mechanism used for plastic plasticizing and moving is arranged at the top of the base, and a first feeding hopper is arranged at the top of the injection mechanism; a mold closing mechanism connected with a discharging port of the injection mechanism is arranged at the top of the base and used for conducting pressing molding on molten plastic, a treatment box is arranged at the position, located on one side of the injection mechanism, of the top of the base, and a smashing mechanism used for smashing waste resources is arranged in the treatment box; the two driving crushing cutters are driven by the first motor to synchronously and relatively rotate, and then are matched with the fixed crushing cutter to crush waste plastics; according to the waste plastic crushing and cleaning device, multiple functions of crushing, screening, cleaning, drying and the like can be ingeniously integrated, the crushing effect and efficiency of waste plastic are improved, and the powder cleaning effect and the powder quality are also improved.

The invention relates to the technical field of plastic recycling, in particular to a waste plastic crushing and sorting device and an automatic metal impurity rejecting method.The waste plastic crushing and sorting device comprises a rack, a primary separation assembly and a two-part assembly, and the primary separation assembly comprises a crushing mechanism arranged on the rack, a flattening mechanism arranged on the crushing mechanism and a conveying and sorting mechanism arranged on a sorting mounting box; the two-part assembly comprises a crushing mechanism arranged on the sorting mounting box and a vibration screening mechanism arranged on the rack and located below the crushing mechanism, through the arrangement of the crushing mechanism and the conveying sorting mechanism, metal is adsorbed to a conveying belt after waste plastic is crushed, and through the arrangement of a power supply component, when a conductive rod slides to an insulating rod, the metal is separated from the insulating rod; the metal automatically falls into the crushing mechanism, plastic remaining on the metal is further crushed, the plastic and the metal are separated more thoroughly, plastic crushing and metal separation are conducted synchronously, the plastic crushing and separating efficiency is improved, and the labor intensity of workers is reduced.

Chemical recycling facilities for processing mixed plastic waste are provided herein. Such facilities have the capability of processing mixed plastic waste streams and utilize a variety of recycling facilities, such as, for example, solvolysis facility, a pyrolysis facility, a cracker facility, a partial oxidation gasification facility, an energy generation / energy production facility, and a solidification facility. Streams from one or more of these individual facilities may be used as feed to one or more of the other facilities, thereby maximizing recovery of valuable chemical components and minimizing unusable waste streams.

The invention relates to the technical field of plastic modification recovery, and discloses a waste plastic modification recovery pretreatment device which comprises a treatment bin, a crushing part arranged at the top of the treatment bin and used for crushing plastic, and a stirring part arranged in an inner cavity of the treatment bin and used for mixing plastic fragments. The drying component is arranged in an inner cavity of the treatment bin and used for drying the plastic fragments, and the discharging component is arranged at the bottom of the treatment bin. According to the waste plastic modification, recovery and pretreatment device, through mutual cooperation of the crushing part and the drying part in the treatment bin, the steps of crushing, cleaning, drying and modification treatment can be integrated together, then the continuous and automatic treatment process can be achieved, the transfer and waiting time of materials between different devices is shortened, and the production efficiency is improved. The treatment efficiency can be remarkably improved, and meanwhile, the efficient treatment mode is beneficial for increasing the recycling speed of the waste plastic, so that the waste plastic is converted into valuable resources more quickly.

The invention relates to the field of polytetrafluoroethylene particle recovery, in particular to a polytetrafluoroethylene particle recovery device. A treatment box is installed on the upper portion of a machine body, the interior of the treatment box is connected with a discharging pipe through a guide channel, the discharging pipe is installed in the treatment box arranged on one side of the machine body, and a guide slope is arranged at the bottom end of the treatment box; a partition plate and a separation screen are installed on one side of the upper portion of the guide slope, a recycling roller mechanism is arranged on one side of the upper portion of the separation screen, and a discharging port is formed in the position, away from the lower portion of the separation screen, of the lower portion of the separation screen. According to the polytetrafluoroethylene particle cleaning device, polytetrafluoroethylene particles enter the treatment box to be cleaned after being primarily processed and crushed, waste particles are screened through a separation screen and an air nozzle during cleaning, the particles float to the top and are fished and recycled through a recycling roller mechanism, and a multi-stage screen and a spiral conveying mechanism are arranged in the recycling roller mechanism; particles can be effectively classified, screened and conveyed, the recycling effect of the material particles is guaranteed, impurity doping can be avoided, and the production quality is improved.

The invention relates to the technical field of plastic recycling, in particular to a recycling process of waste plastic and ore bottles, and solves the problems that in the existing plastic bottle recycling process, cleaning is insufficient, impurity residues are easily caused, cleaning liquid is inconvenient to fully utilize, and the plastic bottles are directly crushed, so that the crushing quality is poor. Comprising the following steps that S1, waste plastic bottles are recycled and packaged in a manual or mechanical mode and then transported, transferred and stored through a vehicle, when the plastic bottles need to be reused, packages of the plastic bottles are disassembled and classified, and metal pieces doped in the plastic bottles are removed; and S2, after impurity removal, a feeding conveyor is used for conveying and feeding the plastic bottles. According to the plastic bottle recycling device, plastic bottles are fully cleaned and compressed in the recycling process, the purity of recycled plastic particles can be effectively improved, cleaning liquid can be fully recycled conveniently, and the smashing quality of the plastic bottles can be improved conveniently.

The invention relates to the technical field of film processing, and particularly discloses a plastic film processing waste recovery device which comprises a recovery box, a feeding port is formed in the top end of the recovery box, and the recovery box comprises a primary crushing mechanism used for primary crushing and a cleaning mechanism used for preventing winding. In the using process, through mutual cooperation of the primary crushing mechanism and the secondary crushing mechanism, waste materials can be further crushed into smaller shapes, gradual refining treatment on the waste materials can be achieved in a multi-stage crushing mode, the crushing uniformity and fineness are improved, the quality of recycled products is improved, and the recycling efficiency is improved. Through mutual cooperation of the primary crushing mechanism and the cleaning mechanism, waste remaining in notches between the crushing teeth can be scraped away in time, so that cleanliness between the crushing teeth is kept, it is guaranteed that the crushing rollers can continuously and efficiently conduct crushing work, normal operation of equipment is guaranteed, the shutdown maintenance time is shortened, and the production efficiency is improved. And the working efficiency and the reliability of the device are improved.

The invention provides a plastic film recycling and crushing device which comprises a rack, a crusher installed on the rack and a guiding and conveying mechanism for conveying a plastic film into the crusher, and the crusher comprises a crushing box body and two groups of crushing rollers arranged in the crushing box body; the guiding and conveying mechanism comprises a guiding and conveying table and a pushing and conveying assembly arranged on the guiding and conveying table and used for pulling the plastic film to move, and a material guiding box used for guiding the plastic film into the crushing box body is arranged on one side of the guiding and conveying table. A guiding and conveying mechanism is additionally arranged on one side of the crusher, the guiding and conveying mechanism pulls a plastic film to move forwards through a pushing hook on a conveying belt, and a pressing air cylinder can control a pressing table to descend so that the plastic film can be attached to a guiding and conveying table, and the pushing hook can hook the plastic film conveniently. Driving rollers are further arranged on the two sides of the guiding and conveying table and matched with the first pressing roller and the second pressing roller correspondingly, so that the conveying thrust on the plastic film is improved, the plastic film can be guided into the crusher through the material guiding box, and the plastic film is guided into the crusher in sequence.

The invention relates to the technical field of plastic crushing, in particular to a plastic crushing device which comprises a crushing box, a feeding hopper is installed on the upper portion of one side of the crushing box, two crushing shafts are rotatably installed between the two ends of the crushing box, and a crushing roller is installed in the middle of the outer side wall of each crushing shaft. Two supports are installed above one side of the smashing box, vertical plates are installed on the supports, and a dust removal box is arranged between the two vertical plates. According to the plastic cutting device, the hollow shaft is rotated firstly, the hollow shaft drives the cutting blades to rotate, plastic is cut into small pieces, follow-up smashing is facilitated, meanwhile, hot air generated by the air heater enters the hollow shaft through the rotating connector and then is discharged through the air outlet, wet dust attached to the surface of the plastic is dried, moisture in the dust is evaporated, the dust becomes dry, and adhesive force is weakened; and the plastic is dedusted firstly, so that the subsequent cleaning is simpler, the consumption of water resources is reduced, and the cleaning cost and the treatment time are reduced.

The invention provides treatment equipment for preparing cable material particles by recycling waste plastic, and relates to the technical field of waste plastic recycling. A tearing box is mounted at the upper end of the recovery treatment box body, and the upper end of the tearing box is of a flaring structure convenient for waste plastics to enter; a smashing box is fixedly arranged at the butt joint position of the inner cavity of the recycling treatment box and the lower end of the tearing box. The equipment adopts a two-stage crushing structure of a tearing box (including a tearing roller) and a crushing box (including a crushing cutter), and through a stage treatment mode of preliminary tearing and spiral crushing, the energy consumption pressure for directly crushing large plastic blocks is remarkably reduced. The tearing roller pre-crushes the materials, so that the load of the crushing cutter is reduced, the spiral blade group of the crushing cutter synchronously pushes the materials to the middle part in the cutting process, and a cyclic crushing path is formed in combination with a dynamic screening mechanism of the screen, so that the crushing uniformity is ensured, and the energy waste caused by repeated treatment is avoided.

The utility model discloses a waste plastic crushing, recycling and granulating device. The granulating device aims at solving the technical problems that an existing granulating device cannot effectively reduce the blocking rate of granulating holes and cannot achieve backflushing and self-cleaning of the granulating holes. Comprising a water cooling box, the top of the water cooling box is fixedly provided with a horizontally-arranged extrusion barrel, the top of the extrusion barrel communicates with a crushing mechanism, the axis position of the extrusion barrel is provided with a hot extrusion mechanism, the front portion of the extrusion barrel is fixedly provided with a vertically-downward extrusion opening, and the position, corresponding to the extrusion opening, of the peripheral side face of the extrusion barrel is rotationally connected with a rotary barrel; and a plurality of groups of granulation holes which are distributed in a linear array are formed in the rotary cylinder. When the back-flushing and self-cleaning device works, through the arrangement of the rotary cylinder and the back-flushing mechanism, the blockage rate of the granulation holes can be effectively reduced, and efficient back-flushing and self-cleaning of the granulation holes are realized through back-flushing hot air.

The present invention discloses a plastic product recycling pretreatment device, which relates to the technical field of crushing equipment, and includes a frame, a crushing tooth roller, a collection bin, a crushing bin, a first end cover, a second end cover, and a sliding mounting plate. A motor is installed on the outer wall of the sliding mounting plate, and a crushing blade is connected to the output shaft of the motor; a pushing assembly is arranged in the crushing bin. In the present invention, after the plastic products are initially crushed by two crushing tooth rollers, they enter the collecting bin, and the pushing assembly pushes the initially crushed plastic products to the crushing blades, and the crushing blades crush them, so that the volume of the plastic products can be further reduced, and then in the subsequent heating and melting process, the time consumed for heating and melting the plastic products is shortened, and the efficiency of the plastic product recycling processing is improved. In addition, the pushing assembly can compact the initially crushed plastic products, so that when the crushing blades are crushed, the crushing effect will not be poor due to the scattering of broken products.

The invention discloses plastic gear waste recovery equipment, and belongs to the technical field of waste recovery, the plastic gear waste recovery equipment comprises a treatment box, the left side of the top of the treatment box is pivotally provided with a downward inclined guide plate, and the tail end of the guide plate extends to a crushing chamber inlet in the treatment box; an eccentric crushing roller is transversely arranged in the crushing chamber, rotating shafts at the two ends of the eccentric crushing roller penetrate through the side wall of the treatment box and are driven by an eccentric transmission mechanism to rotate, and the eccentric crushing roller is configured to extrude and crush plastic gears through eccentric movement; efficient separation of metal and plastic and granularity control of plastic fragments are achieved through cooperative extrusion and crushing of the eccentric crushing roller and the adjustable jaw plate assembly in combination with magnetic separation-airflow multi-stage separation and coaxial reverse cutting. The device has the advantages of high separation rate, high automation degree and uniform discharging, and is suitable for fine recovery of gears with complex structures.

The invention relates to the technical field of pipeline solid waste material treatment, in particular to a pipeline solid waste grading crusher and a material recycling method thereof.The pipeline solid waste grading crusher comprises an outer shell with the bottom face provided with a supporting base, a first feeding frame and a second feeding frame, and the first feeding frame and the second feeding frame are sequentially installed above the outer shell from front to back; and a first-stage crushing assembly and a second-stage crushing assembly are sequentially installed in the outer shell from top to bottom, a moving ring is connected to the interior of the left side of a second feeding frame through a connecting control mechanism, a cross frame body is installed in the moving ring, and cutter assemblies used for preliminary slitting are symmetrically fixed to the right side face of the cross frame body. According to the pipeline solid waste grading crusher and the material recycling method thereof, aged or damaged hard plastic pipelines can be conveniently and preliminarily cleaned, and the situation that the crushing efficiency and quality are affected by impurities such as sludge is avoided, so that the crushing and recycling efficiency and quality of the plastic pipelines can be improved, and plastic particles obtained after crushing are conveniently recycled and reused in the later period.

The invention relates to the technical field of non-metal waste treatment, in particular to recycling equipment for plastic defective products. In order to solve the problem that when a pipe rolls during crushing, the residence time of materials in a crushing cavity is prolonged, and the crushing efficiency is low. Comprising a bottom frame, a crushing shell is fixedly connected to the bottom frame, a connecting and guiding shell is fixedly connected to the crushing shell, a crushing roller set is arranged in the crushing shell, a motor is fixedly connected to the bottom frame, transmission is conducted between an output shaft of the motor and the crushing roller set through a belt wheel and a belt, extrusion rollers distributed in a mirror image mode are rotationally connected to the crushing shell, and the extrusion rollers are connected to the crushing shell. And the extrusion rollers in mirror image distribution are in transmission through a gear set. According to the pipe crushing device, a pipe is pre-compressed in advance through the extrusion rollers when the pipe is crushed, a cylindrical pipe is compressed into an elliptic cylindrical pipe, then vertical feeding crushing is conducted, the rolling probability of the pipe during crushing is reduced, and the crushing efficiency of the pipe is improved.

The invention provides a highway pavement asphalt waste recycling device which comprises a table body, a screening box is arranged at the top of the table body, a crushing box is arranged at the top of the screening box, a feeding port is formed in the top of the crushing box in a penetrating mode, and a first crushing mechanism is arranged in the feeding port; a first smashing roller set and a second smashing roller set which are in linkage with the first smashing mechanism are rotationally arranged in the first material returning opening and the second material returning opening correspondingly. When the asphalt waste crushing device is used, asphalt waste is fed into the feeding port through the feeding machine, the driving mechanism drives the first crushing mechanism to operate, the asphalt waste is crushed, the crushed asphalt falls into the screening box, and large-particle asphalt fragments are discharged to the two sides through the screening box and fall into the inclined groove; according to the device, asphalt fragments are conveyed to the corresponding first material returning opening and the second material returning opening through the crushed material returning mechanism, secondary crushing is conducted through the first crushing roller set and the second crushing roller set, the device does not need to be stopped for waiting, continuous crushing of asphalt waste is achieved, and the crushing and recycling efficiency is improved.

The present invention relates to the field of tire processing technology, in particular to an environmentally friendly processing device for recycling and utilizing waste tire rubber, comprising a crushing box, a first material guide block is provided at the lower left end of the crushing box, a first belt conveyor is provided on the first material guide block, a crushing assembly is provided inside the crushing box, a screening box is provided at the left end of the first belt conveyor, a disc screen assembly is provided inside the screening box, two support blocks are fixedly provided on the outer wall of the screening box in a symmetrical structure, a reflux block is installed at the lower end of the screening box, the reflux block is in an inclined structure, the lower right end of the reflux block is connected to the upper end of the crushing box, a second material guide block is provided at the lower end of the screening box, and a steel wire processing box is provided at one end of the second material guide block. It is convenient to crush and separate steel wire and rubber in waste tires, ensure the efficient separation of steel wire and rubber, improve the processing efficiency and crushing effect of waste rubber tires, improve the quality of recycled rubber, and provide strong technical support for the recycling and utilization of waste tires.

The invention belongs to the field of waste recovery, and particularly relates to a plastic production waste recovery treatment device which comprises a conveying assembly, an iron removal assembly, a smashing assembly and a collecting assembly. The conveying assembly comprises a climbing conveyor; the climbing conveyor is used for lifting and conveying plastic waste; the iron removal assembly comprises an equipment box; a magnet is arranged in the equipment box; one side of the equipment box is fixedly connected with a stand column; the top of the equipment box is fixedly connected with an air cylinder; the output end of the air cylinder is fixedly connected with a mounting frame. Positioning rods are symmetrically and fixedly connected to the two sides of the equipment box; by arranging the equipment box, iron impurities at the bottom of the bottom plate can be desorbed, then the device can remove the iron impurities in the waste materials, the device can conveniently crush the waste materials subsequently, meanwhile, the bottom plate can be driven to desorb the iron impurities by starting the air cylinder, and rapid desorption of the device on the iron impurities is achieved.

The invention relates to the technical field of plastic product recycling, and discloses a plastic product pretreatment recycling device which comprises a crushing box, a feeding bin arranged at the top of the crushing box, a discharging bin arranged on one side of the bottom of the crushing box, an inclined baffle arranged on the inner side of the crushing box and a circulating crushing unit arranged in the crushing box. And the circulating crushing unit comprises a crushing part arranged in a crushing box. According to the plastic product pretreatment and recovery device, a first connecting shaft rotates, a rotating shaft is driven to rotate, a side plate is driven to rotate, an extrusion plate is driven to rotate, an inclined baffle enables plastic bottles to fall onto a smashing roller, the extrusion plate slides on the outer side of a first cam when rotating, and the extrusion plate moves downwards under the action of the first cam; and the extrusion rods slide on the inner side of the extrusion cavity, the extrusion springs are stretched, and the extrusion plates extrude the plastic bottles towards one side of the crushing roller, so that the plastic bottles are convenient to crush, the plastic bottles are prevented from jumping and being difficult to crush during crushing, and the crushing efficiency is improved.

The invention discloses a plastic product recycling pretreatment device, and relates to the technical field of crushing equipment, the plastic product recycling pretreatment device comprises a rack, a crushing tooth roller, a collecting bin, a crushing bin, a first end cover, a second end cover and a sliding mounting plate, a motor is mounted on the outer wall of the sliding mounting plate, and an output shaft of the motor is connected with a crushing blade; and the material pushing assembly is arranged in the crushing bin. According to the plastic product crushing device, plastic products enter the collecting bin after being primarily crushed through the two crushing tooth rollers, the primarily crushed plastic products are pushed to the crushing blades through the material pushing assembly, the crushing blades crush the plastic products, the sizes of the plastic products can be further reduced, and then the plastic products are subjected to secondary crushing in the subsequent heating and melting process; according to the plastic product recycling device, the time consumed for heating and melting the plastic products is shortened, the recycling and processing efficiency of the plastic products is improved, in addition, the pushing assembly can compact the preliminarily crushed plastic products, and therefore when the plastic products are crushed by the crushing blades, the phenomenon that the crushing effect is poor due to scattering of the crushed products is avoided.

The invention relates to the field of plastic recycling and crushing, and specifically discloses a crushing device for plastic recycling. Through a crushing cylinder with a material drop chute on the upper part and a material discharge chute on the lower part, and spiral lifting blades and a screen cylinder sleeved on the outer side, when the plastic is crushed, the lifting effect of the spiral lifting blades is utilized to evenly spread the plastic particles on the inner wall of the screen cylinder in a circular motion, thereby improving the screening efficiency. At the same time, the spiral lifting blades scrape and clean the inner wall of the screen cylinder, thereby reducing the clogging of the screen holes. In addition, the cooperation of the screen cylinder and the spiral lifting blades enables the trapped large-size plastic particles to circulate between the crushing cylinder and the inner annular cavity, thereby realizing cyclic crushing, replacing manual secondary delivery of the screened plastic, thereby saving manpower, reducing the number of equipment, and improving the overall crushing and recycling efficiency.

The invention discloses a grading type film impurity crushing and separating device, which comprises a residual film crushing device, which comprises a film impurity feeding hopper, a primary crushing mechanism, a secondary fine crushing mechanism and an angle-adjustable discharge hole mechanism which are connected in sequence; the primary crushing mechanism is used for primarily cutting the waste plastic film residues, the cut waste plastic film residues enter the secondary fine crushing mechanism for secondary cutting, the secondary fine crushing mechanism is also used as a fan, and the waste plastic film residues subjected to secondary cutting are blown out through the angle-adjustable discharge port mechanism according to a preset angle; the waste plastic film residues blown out by the angle-adjustable discharging port mechanism comprise high-density sundries, coarse-grained plastic film residues and fine-grained plastic film residues, and the mixed soil collecting device, the second-stage receiving hopper and the third-stage receiving hopper of the sorting device receive and collect the corresponding components at the corresponding distances correspondingly and are collected through the corresponding conveying and collecting devices. The device can effectively collect and separate crushed sundries and residual films so as to realize resource utilization and grading treatment.

The present invention relates to an apparatus and a method for separation of graphite and black mass from spent lithium-ion batteries. The present invention provides an economical, clean and green method for separation of graphite and black mass from spent lithium-ion batteries by simple physical operations such as wet sieving and washing with water followed by mechanical processes such as density separation, sonication and magnetic separation without generating any effluent.

The invention belongs to the technical field of plastic recycling, and discloses a plastic recycling device with a cleaning function, which comprises a base, a crushing assembly is fixedly mounted on the left side of the top end of the base, a cleaning assembly is fixedly mounted on the right side of the top end of the base, and a dewatering assembly is mounted on the position, close to the left side, of the top end of the cleaning assembly. A main shaft is movably installed between the smashing assembly and the dewatering assembly, and a driving assembly located between the smashing assembly and the dewatering assembly is installed in the middle of the outer side face of the main shaft. After cutting and smashing of plastic waste are completed, high-speed contact between water flow and plastic particles can be achieved through cooperation of mechanical power of the plastic waste and input high-pressure water flow, and flying dust generated during smashing of the plastic waste is subjected to rapid dust falling through the mixing effect of the high-pressure water flow and mixed with clear water; meanwhile, dirt on the surfaces of the plastic particles can be rapidly removed, the automatic cleaning process of the plastic particles is achieved, and the recycling effect is improved.

The invention relates to a device for preparing rubber powder by adopting a high-pressure water jet composite method, which comprises a high-pressure water generating system, a multi-nozzle cutting head, a rotary crushing cylinder assembly, a rotary filtering cylinder assembly, a liquid collecting cylinder, a fixed seat and a base, the fixed seat comprises an upper mounting plate, a lower mounting plate and a stand column connected between the upper mounting plate and the lower mounting plate, the multi-nozzle cutting head and the rotary crushing cylinder assembly are mounted on the upper mounting plate, the rotary filtering cylinder assembly is mounted on the lower mounting plate, the liquid collecting cylinder is mounted on the stand column, and the high-pressure water generating system is communicated with the multi-nozzle cutting head. And the rotary crushing cylinder assembly comprises a crushing cylinder and a crushing rotating device. High-pressure water jet and mechanical smashing are efficiently combined, a double smashing mechanism of non-contact cutting and mechanical shearing is achieved, the production requirement of fine rubber powder is met, layered multi-nozzle covering cutting of the multi-nozzle cutting head is achieved, and energy consumption is remarkably reduced.

The invention relates to the technical field of plastic production, and discloses a raw material crushing device for modified plastic production and processing, which comprises a main body, crushing parts arranged at the top and an inner cavity of the main body, and a raw material lifting part arranged at one end of the main body, the vibration component is arranged in an inner cavity of the main body, and the crushing component comprises a pre-crushing assembly arranged at the top of the main body and a crushing assembly arranged in the inner cavity of the main body. According to the raw material crushing device for modified plastic production and processing, a first motor is started to drive a cutting blade on a first rotating rod to perform pre-crushing in a cutting manner, then a second motor is started to drive two groups of crushing rollers to perform crushing operation again in a rolling manner, and a crushed product with more uniform granularity can be obtained; and meanwhile, the load of the device can be dispersed through mutual matching of rolling and cutting, and the abrasion degree of a single mechanism is reduced.