CN115970825A - Ternary positive electrode material recovery processing device and working method thereof - Google Patents

Abstract

The invention discloses a recovery processing device of a ternary anode material and a working method thereof, and relates to the technical field of anode material recovery. The recovery processing device of the ternary anode material comprises a processing box and a feeding frame, wherein a first filter plate and a second filter plate are respectively arranged on one side, close to the feeding frame, of the inner surface of the processing box; according to the invention, the anode material is subjected to primary crushing, secondary primary crushing, primary secondary rolling crushing and secondary crushing in sequence, so that the anode material can be separated while being crushed, and the anode material with obvious difference in particle size after each crushing can be separated, and the hierarchical crushing of the anode material is realized, thereby improving the uniformity of the particle size of the crushed anode material.

Description

Ternary positive electrode material recovery processing device and working method thereof

Technical Field

The invention relates to the technical field of recovery of anode materials, in particular to a recovery processing device of a ternary anode material and a working method thereof.

Background

The lithium, cobalt, manganese, nickel and other metal resources required by the production of the lithium battery positive electrode material in China are rich, the downstream application markets of consumer electronic products and new energy vehicles are rapidly expanded, the cost of the positive electrode material, the cost of the negative electrode material, the cost of the diaphragm and the cost of the electrolyte are more than eight times of the battery cost, wherein the cost of the positive electrode material also accounts for about 40 percent of the total cost of the lithium ion battery, and therefore, the recovery of the active material of the scrapped lithium battery positive electrode plate is necessary;

the ternary lithium ion battery is one of the lithium ion batteries which have been developed rapidly in recent ten years, wherein the nickel cobalt lithium manganate cathode material is the main product in the ternary lithium ion battery

In the process of recycling the ternary anode materials, the materials need to be sequentially crushed, sieved, magnetically separated and collected, and the like, when the ternary anode materials are crushed and mixed in the prior art, the ternary anode materials cannot be crushed in a hierarchical manner, so that the crushing fineness of the ternary anode materials is reduced, the subsequent treatment efficiency is influenced, and although the conventional recycling equipment can sieve the anode materials with different particle sizes in the crushing process, the anode materials with large particle sizes cannot be separated and collected in time, so that the blockage of the screening holes is easily caused, and the crushing and sieving efficiency is reduced.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, when anode materials are crushed and mixed, the anode materials cannot be crushed in a layered mode, so that the crushing fineness is reduced, and the subsequent treatment efficiency is influenced, and in addition, although the existing recovery equipment can screen the anode materials with different particle sizes in the crushing process, the anode materials with large particle sizes cannot be separated and collected in time, so that the anode materials are easy to block screening holes, and the crushing and screening efficiency is reduced, so that the recovery and treatment device for the ternary anode materials and the working method thereof are provided.

The purpose of the invention can be realized by the following technical scheme: a recovery processing device for ternary anode materials comprises a processing box and a feeding frame, wherein the feeding frame is arranged at a position, close to one side, of the outer surface of the upper end of the processing box, the inner surface of the feeding frame is communicated with the inner surface of the processing box, a first filter plate and a second filter plate are respectively arranged at one side, close to the feeding frame, of the inner surface of the processing box, a first-stage crushing mechanism is arranged inside each of the first filter plate and the second filter plate, and a second-stage rolling and crushing mechanism is arranged at positions, corresponding to the first filter plate and the second filter plate, of the inner surface of the processing box;

the primary crushing mechanism comprises a first mounting plate, a first motor, a first driving roller, a first conveying belt, a first transmission roller, a first connecting roller and a first spiral conveying blade; the outer surface of one side of the treatment box is fixedly connected with a first mounting plate at a position corresponding to the first filter plate, the outer surface of the lower end of the first mounting plate is provided with a first motor, the output end of the first motor is fixedly connected with a first driving roller, the surface of the first driving roller is in transmission connection with a first conveying belt, and the inner part of the first conveying belt is in transmission connection with a first driving roller at a position corresponding to the second filter plate;

the device comprises a treatment box, a first driving roller, a first transmission roller, a first spiral conveying blade, a first fixing ring, a second fixing ring and a third filter plate, wherein one side of the inner surface of the treatment box is rotatably connected with the first driving roller and the first transmission roller in corresponding positions, one end of the first connecting roller penetrates through the outside of the treatment box and is fixedly connected with the first driving roller and the first transmission roller in corresponding positions respectively, one end of the first connecting roller is fixedly connected with the first spiral conveying blade, the inner surface of the first spiral conveying blade is rotatably connected with the first plurality of groups of first rotating rods, the outer surface of the first rotating rods is located between conveying intervals of the first spiral conveying blade and is fixedly connected with the first plurality of groups of crushing blades, one side of the inner surface of the treatment box, which is close to the joint of the first connecting roller, the inner surface of the first fixing ring is fixedly connected with the first plurality of groups of teeth in annular equidistance, the first fixing rings are in one-to-corresponding with the first connection rollers, one end of the first rotating rods penetrates through the first fixing ring and is fixedly connected with the first gear, the first gear is meshed with the second filter plate, the other end is fixedly connected with the third filter plate, and the second crushing mechanism is arranged inside of the third filter plate.

Further, the secondary rolling and crushing mechanism comprises a material guide frame, a material outlet, a rotating roller, a second mounting plate, a second motor, a second driving roller and a second conveying belt; the three corresponding position fixedly connected with guide frames of processing case surface filter, and the lower extreme surface of guide frame has seted up the discharge gate, and the position that the guide frame internal surface that is located the top is close to the middle part rotates and is connected with the live-rollers, the one end and the guide frame of live-rollers rotate to be connected, and the other end runs through to the inside of handling the case and rotate rather than being connected, the position fixedly connected with mounting panel two that handles the case surface and the live-rollers that are located the top correspond, and the lower extreme surface of mounting panel two is provided with motor two.

Further, the output of motor two is connected with drive roller two with the position fixedly connected with that the live-rollers that are located the top correspond, and the surface transmission of drive roller two is connected with conveyer belt two, the position transmission that two insides of conveyer belt correspond with the live-rollers that are located the below is connected with driving roller two, and the one end that the guide frame was kept away from to two sets of live-rollers runs through to the outside of handling the case rather than corresponding drive roller two, driving roller two fixed connection respectively.

Further, the surface of live-rollers is close to six group's spliced pole one of equal distance fixedly connected with in position at both ends, rotates between two sets of spliced poles one that correspond and is connected with the connecting rod, the outer fixed surface of connecting rod is connected with spiral delivery vane two, and spiral delivery vane outer surface and three internal surfaces of filter closely laminate, the solid fixed ring two of one end fixedly connected with that the guide frame was kept away from to the processing incasement surface, and the internal surface of solid fixed ring two is the fixed connection of annular equidistance a plurality of tooth two of group, the one end of connecting rod runs through solid fixed ring two's inside and fixedly connected with gear two, and gear two meshes with tooth two.

Further, six spliced pole two of group of fixedly connected with are equidistant to the position that the live-rollers surface is close to both ends, and the one end and the live-rollers fixed connection of spliced pole two, other end fixedly connected with installation piece, the spout has been seted up to one side surface of installation piece, and the internal surface fixedly connected with guide bar of spout, the position that the surface of guide bar is close to one end is provided with the spring, and the one end and the spout fixed connection of spring, and other end fixedly connected with slider rotate between the slider of two sets of correspondences and be connected with the roller of rolling.

Furthermore, the first filter plate and the second filter plate are distributed vertically, the pore diameter of the first filter plate is larger than that of the second filter plate, the third filter plate is distributed vertically, and the pore diameter of the third filter plate above the third filter plate is larger than that of the third filter plate below the third filter plate.

Further, the working method of the ternary cathode material recovery processing device comprises the following steps:

step one, introducing a positive electrode material: introducing a positive electrode material into the treatment box through a feeding frame, and enabling the positive electrode material to fall to the surface of the first filter plate;

step two, primary crushing for the first time: the first motor drives the first driving roller to rotate, the first connecting roller corresponding to the first driving roller drives the first spiral conveying blade on the surface of the first connecting roller to rotate, and the positive electrode material is conveyed in the direction away from the first motor;

step two, the second primary crushing: the first conveying belt drives the first transmission roller to rotate under the action of the first driving roller, the first spiral conveying blade on the surface of the first transmission roller is driven to rotate by the connecting roller positioned in the second filter plate under the action of the first transmission roller, the first crushing blade is driven to rotate by the rotating rod positioned in the second filter plate, and the first crushing blade is crushed again for anode materials with the particle size smaller than the aperture of the filter hole corresponding to the first crushing blade, so that the crushing precision can be improved, the later storage and utilization are facilitated, and the anode materials which cannot fall into the treatment box through the filter hole of the second filter plate enter the second-stage rolling crushing mechanism under the action of the first spiral conveying blade to be crushed for the second stage;

step three, primary secondary rolling and crushing: the positive electrode material with the particle size larger than the aperture of the corresponding filter hole in the first filter plate enters the inside of the third filter plate positioned above under the action of the first spiral conveying blade corresponding to the positive electrode material, the output end of the motor II drives the driving roller II to rotate, the first connecting column on the surface of the first driving roller is driven by the first rotating roller, the second spiral conveying blade II is driven by the connecting rod to do circular motion around the rotating roller, meanwhile, the second spiral conveying blade II on the surface of the second connecting rod is driven by the connecting rod to rotate under the meshing action of the second gear and the second tooth, when the second spiral conveying blade is positioned below the corresponding rotating roller, the second spiral conveying blade II transmits the positive electrode material to the direction of the guide frame, the second connecting column drives the mounting block to rotate along with the rotating roller, when the rolling roller is positioned below the side of the rotating roller, the grinding roller is impacted towards the direction close to the third filter plate under the action of self gravity and the spring, and the outer surface of the grinding roller is attached to the inner surface of the third filter plate, so that the grinding roller can crush the anode material and can repeatedly collide with the anode material, and crush the anode material, so that the crushing efficiency and the crushing precision are further improved, the anode material with the particle size smaller than the filter hole diameter of the third filter plate enters the third filter plate below to be secondarily ground and crushed, the anode material with the particle size larger than the filter hole diameter of the third filter plate enters the guide frame under the action of the second spiral conveying blade and is finally discharged through the discharge hole above, the independent processing of the anode material is facilitated, and the anode material which meets the crushing standard is prevented from being mixed into the anode material to influence the recycling effect of the anode material;

step four, secondary rolling and crushing: the second driving roller is driven by the second driving roller to drive the second driving roller to rotate relative to the corresponding rotating roller under the action of the second driving roller, the third driving roller is the same as the third driving roller in principle, the grinding roller in the third inner part of the filter plate below further grinds the anode material, the crushed anode material with the particle size smaller than the aperture of the three filter holes of the filter plate below enters the processing box to be recycled, and the anode material with the particle size larger than the aperture of the three filter holes of the filter plate below is discharged through the corresponding discharge port, so that the secondary processing in the later period is facilitated.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the anode material is subjected to primary crushing, secondary primary crushing, primary secondary rolling crushing and secondary crushing in sequence, so that the anode material can be separated while being crushed, and the anode material with obvious difference in particle size after each crushing can be separated, and the hierarchical crushing of the anode material is realized, thereby improving the uniformity of the particle size of the crushed anode material, preventing the filter holes from being blocked by particles with larger particle size, improving the crushing precision, maximizing the crushing and screening efficiency and facilitating the implementation of subsequent processing steps;

2. according to the invention, by arranging the primary crushing mechanism, the connecting roller corresponding to the driving roller I drives the screw conveying blade I on the surface to rotate so as to convey the anode material to the direction far away from the motor I, the rotating rod drives the crushing blade I to rotate so as to crush the anode material, the anode material with the particle size smaller than the corresponding filter hole diameter enters the inside of the filter plate II through the filter hole of the filter plate I so as to be further crushed, and the anode material with the particle size larger than the corresponding filter hole diameter enters the inside of the secondary rolling crushing mechanism under the action of the screw conveying blade I so as to be subjected to primary secondary crushing, so that the situation that part of the anode material is remained on the surface of the filter plate I and blocks the filter hole of the filter plate due to insufficient crushing can be prevented, and the recovery efficiency is improved;

3. according to the invention, through the arrangement of the secondary crushing mechanism, the screw conveying blades II transmit the anode materials to the direction of the material guide frame, the connecting column II drives the mounting block to rotate along with the rotating roller, when the rolling roller is positioned below the side of the rotating roller, the rolling roller impacts towards the direction close to the filter plate III under the action of self gravity and a spring, the outer surface of the rolling roller is attached to the inner surface of the filter plate III and rotates under the action of friction force generated between the rolling roller and the filter plate III, so that the rolling roller can crush the anode materials and can repeatedly collide with the anode materials at the same time, and crush the anode materials, further improve crushing efficiency and crushing precision, the anode materials with the particle size larger than the filter hole diameter of the filter plate III enter the interior of the material guide frame under the action of the screw conveying blades II and are finally discharged through the discharge hole positioned above, so that the anode materials with different particle sizes can be separated and collected, and particles with larger particle sizes can be prevented from being mixed into the anode materials meeting the crushing standard to influence the recycling efficiency.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of a ternary cathode material recycling device according to the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic diagram of the overall structure of the two-stage crushing mechanism of the present invention;

FIG. 4 is an enlarged view of area B of FIG. 3 in accordance with the present invention;

FIG. 5 is a combination view of the primary crushing mechanism and the secondary crushing mechanism of the present invention;

fig. 6 is an enlarged view of the area C of fig. 5 according to the present invention.

Reference numerals: 1. a treatment box; 2. a feeding frame; 3. a first filter plate; 4. a second filter plate; 5. a primary crushing mechanism; 501. a first mounting plate; 502. a first motor; 503. a first driving roller; 504. a first conveyor belt; 505. a first transmission roller; 506. a connecting roller; 507. a first spiral conveying blade; 508. rotating the first rod; 509. crushing a first blade; 510. a first fixing ring; 511. a first tooth; 512. a first gear; 513. a third filter plate; 6. a secondary rolling and crushing mechanism; 601. a material guiding frame; 602. a discharge port; 603. a rotating roller; 604. a second mounting plate; 605. a second motor; 606. a second driving roller; 607. a second conveyor belt; 608. a second driving roller; 609. connecting a column I; 610. a second spiral conveying blade; 611. a connecting rod; 612. a second tooth; 613. a second gear; 614. a second fixing ring; 615. connecting a second column; 616. mounting a block; 617. a chute; 618. a spring; 619. a guide bar; 620. and (5) rolling the roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in figures 1-6, the recovery processing device for ternary anode materials provided by the invention comprises a processing box 1 and a feeding frame 2, wherein the feeding frame 2 is arranged at a position close to one side of the outer surface of the upper end of the processing box 1, the inner surface of the feeding frame 2 is communicated with the inner surface of the processing box 1, the anode materials are guided into the processing box 1 through the feeding frame 2, a first filter plate 3 and a second filter plate 4 are respectively arranged at one side of the inner surface of the processing box 1 close to the feeding frame 2, the anode materials fall onto the surface of the first filter plate 3 through the feeding frame 2, a first-stage crushing mechanism 5 is respectively arranged inside the first filter plate 3 and the second filter plate 4, a second-stage rolling crushing mechanism 6 is respectively arranged at positions of the inner surface of the processing box 1, which correspond to the first filter plate 3 and the second filter plate 4, the first filter plate 3 and the second filter plate 4 are vertically distributed, and the pore diameter of a filter pore of the first filter plate 3 is larger than that of the second filter plate 4.

The primary crushing mechanism 5 comprises a first mounting plate 501, a first motor 502, a first driving roller 503, a first conveyor belt 504, a first driving roller 505, a connecting roller 506 and a first spiral conveying blade 507; the outer surface of one side of the treatment box 1 corresponds to the first filter plate 3, the first mounting plate 501 is fixedly connected to the position, the outer surface of the lower end of the first mounting plate 501 is provided with a first motor 502, the first output end of the first motor 502 is fixedly connected with a first driving roller 503, the first motor 502 drives the first driving roller 503 to rotate, the first driving roller 503 is in surface transmission connection with a first conveying belt 504, the first conveying belt 504 is in position transmission connection with the second filter plate 4, and the first conveying belt 504 drives the first driving roller 505 to rotate under the action of the first driving roller 503.

One side of the inner surface of the processing box 1 is rotatably connected with a connecting roller 506 at a position corresponding to the first driving roller 503 and the first driving roller 505, one end of the connecting roller 506 penetrates through the outer part of the processing box 1 and is fixedly connected with the first driving roller 503 and the first driving roller 505 corresponding to the connecting roller, a first spiral conveying blade 507 is fixedly connected to the outer surface of the connecting roller 506, and the connecting roller 506 drives the first spiral conveying blade 507 on the surface of the connecting roller to rotate so as to convey the positive electrode material in the direction away from the first motor 502.

The inner part of the first spiral conveying blade 507 is rotatably connected with a plurality of groups of rotating rods 508, the outer surface of the rotating rods 508 is positioned between the conveying intervals of the first spiral conveying blades 507 and is fixedly connected with a plurality of groups of crushing blades 509, one side of the inner surface of the treatment box 1, which is close to the joint with the connecting roller 506, is fixedly connected with a fixing ring 510, the inner surface of the fixing ring 510 is fixedly connected with a plurality of groups of teeth 511 in an annular equidistant mode, the fixing ring 510 corresponds to the connecting roller 506 one by one, one end of the rotating rods 508 penetrates into the fixing ring 510 and is fixedly connected with a gear 512, the gear 512 is meshed with the teeth 511, the rotating rods 508 drive the crushing blades to rotate and crush anode materials 509, and the anode materials with the particle size smaller than the aperture of the corresponding filtering holes enter the filtering plate two 4 through the filtering holes of the first 3 to be further crushed, one end of the filtering plate 3 and one end of the filtering plate two 4 are fixedly connected with the treatment box 1, the other end fixedly connected with filter three 513, two sets of filter three 513 are the upper and lower distribution, the filtration pore aperture that is located filter three 513 of top is greater than the filtration pore aperture that is located filter three 513 of below, the inside of two sets of filter three 513 all is provided with the second grade and rolls crushing mechanism 6, the positive pole material that the particle diameter is greater than the filtration pore aperture who corresponds rather than gets into the inside that the second grade rolled crushing mechanism 6 under the effect of spiral delivery vane a 507 and carries out the first second grade and roll the breakage, dwang a 508 that is located filter two 4 inside drives crushing blade a 509 and rotates, and make it carry out the breakage once more to the positive pole material that the particle diameter is less than the filtration pore aperture who corresponds rather than, the unable filtration pore that drops through filter two 4 and then gets into the inside that the second grade rolled crushing mechanism 6 under the effect of spiral delivery vane a 507 and carry out the second grade and roll the breakage.

Example two:

as shown in fig. 1 to 6, the present embodiment is different from embodiment 1 in that the secondary crushing mechanism 6 includes a material guiding frame 601, a material outlet 602, a rotating roller 603, a second mounting plate 604, a second motor 605, a second driving roller 606 and a second conveyor belt 607; the position fixedly connected with guide frame 601 that handles case 1 surface filter three 513 corresponds, and the lower extreme surface of guide frame 601 has seted up discharge gate 602, the inside particle diameter of filter 3 is greater than the inside of filter 513 who gets into the filter that is located the top under the spiral delivery vane 507 effect rather than corresponding filter pore diameter, the position that is located the guide frame 601 internal surface of top and is close to the middle part rotates and is connected with live-rollers 603, the one end of live-rollers 603 rotates with guide frame 601 and is connected, the other end runs through to the inside of handling case 1 and rotates rather than being connected, the position fixedly connected with mounting panel two 604 that handles case 1 surface and the live-rollers 603 that is located the top correspond, and the lower extreme surface of mounting panel two 604 is provided with motor two 605.

The output end of the second motor 605 and the position corresponding to the rotating roller 603 positioned above are fixedly connected with a second driving roller 606, the output end of the second motor 605 drives the second driving roller 606 to rotate, the rotating roller 603 drives the first connecting column 609 on the surface of the second driving roller, the outer surface of the second driving roller 606 is connected with a second conveying belt 607 in a transmission manner, the position corresponding to the rotating roller 603 positioned below inside the second conveying belt 607 is connected with a second driving roller 608 in a transmission manner, and one end, far away from the material guide frame 601, of each of the two sets of rotating rollers 603 penetrates through the outside of the treatment box 1 and is fixedly connected with the second driving roller 606 and the second driving roller 608 which correspond to the outside.

Six groups of first connecting columns 609 are fixedly connected with the outer surface of the rotating roller 603 at equal distances close to the two ends, a connecting rod 611 is rotatably connected between the two corresponding groups of first connecting columns 609, a second spiral conveying blade 610 is fixedly connected with the outer surface of the connecting rod 611, the connecting rod 611 drives the second spiral conveying blade 610 to circularly move around the rotating roller 603, the outer surface of the second spiral conveying blade 610 is tightly attached to the inner surface of the third filter plate 513, a fixed ring second 614 is fixedly connected to one end of the inner surface of the treatment box 1 far away from the material guide frame 601, a plurality of groups of second teeth 612 are fixedly connected to the inner surface of the fixed ring second 614 in an annular equidistant manner, one end of the connecting rod 611 penetrates through the inner part of the fixed ring second 614 and is fixedly connected with a second gear 613, the second gear 613 is meshed with the second teeth 612, the connecting rod 611 drives the second spiral conveying blade 610 on the surface to rotate while circularly moving around the rotating roller 603, the positive electrode material is transmitted to the direction of the material guide frame 601, the positive electrode material with the diameter smaller than the diameter of the third filter plate 513 enters the inner part of the lower part of the filter plate third filter plate 513 to be secondarily rolled and is discharged through a discharge hole 602.

Example three:

as shown in fig. 3 and 4, the present embodiment is different from embodiments 1 and 2 in that six sets of two connecting columns 615 are fixedly connected to positions of the outer surface of the rotating roller 603 near both ends at equal intervals, one end of each connecting column 615 is fixedly connected to the rotating roller 603, the other end of each connecting column 615 is fixedly connected to a mounting block 616, the mounting block 616 is driven by the two connecting columns 615 to rotate along with the rotating roller 603, a sliding groove 617 is formed in the outer surface of one side of the mounting block 616, a guide rod 619 is fixedly connected to the inner surface of the sliding groove 617, a spring 618 is arranged on the outer surface of the guide rod 619 near one end, one end of the spring 618 is fixedly connected to the sliding groove 617, the other end of the spring 618 is fixedly connected to a sliding block, and a rolling roller 620 is rotatably connected between the two sets of corresponding sliding blocks, when the rolling roller 620 is located below the side of the rotating roller 603, the rolling roller 620 impacts the anode material near the filter plate 513 under the action of its own gravity and the spring 618, and the outer surface of the rolling roller 620 is attached to the inner surface of the filter plate 513, so that the anode material is rolled under the action of friction force generated between the filter plate 513.

Example four:

as shown in fig. 1 to 6, a working method of a ternary cathode material recovery processing device comprises the following steps:

step one, introducing a positive electrode material: introducing the anode material into the treatment box 1 through the feeding frame 2, and enabling the anode material to fall onto the surface of the first filter plate 3;

step two, primary crushing for the first time: the first motor 502 drives the first driving roller 503 to rotate, the first connecting roller 506 corresponding to the first driving roller 503 drives the first spiral conveying blade 507 on the surface of the first driving roller to rotate, the positive electrode material is conveyed in the direction far away from the first motor 502, in the process, the first rotating rod 508 positioned inside the first filter plate 3 rotates circumferentially along with the first connecting roller 506, as the first rotating rod 508 is meshed with the first fixing ring 510 through the first gear 512, in the process that the positive electrode material is conveyed by the first spiral conveying blade 507, the first rotating rod 508 drives the first crushing blade 509 to rotate and crush the positive electrode material, the positive electrode material with the particle size smaller than the pore size of the corresponding filter hole enters the second filter plate 4 through the filter hole of the first filter plate 3 to be further crushed, the positive electrode material with the particle size larger than the pore size of the corresponding filter hole enters the second grinding crushing mechanism 6 to be ground for the first time under the action of the first spiral conveying blade 507, and therefore the situation that part of the material cannot be sufficiently crushed and remains on the surface of the first filter plate 3 to block the filter hole is prevented, and the recovery efficiency of the filter plate is improved;

step two, the second primary crushing: the first conveyor belt 504 drives the first transmission roller 505 to rotate under the action of the first driving roller 503, the first connecting roller 506 positioned in the second filter plate 4 drives the first spiral conveying blade 507 on the surface of the first transmission roller 505 to rotate, the same principle as that in the first step is that the first rotating rod 508 positioned in the second filter plate 4 drives the first crushing blade 509 to rotate, and the first crushing blade is used for crushing the positive electrode material with the particle size smaller than the aperture of the corresponding filter hole, so that the crushing precision can be improved, the later storage and utilization are facilitated, and the positive electrode material which cannot fall into the treatment box 1 through the filter hole of the second filter plate 4 enters the second-stage rolling and crushing mechanism 6 under the action of the first spiral conveying blade 507 to perform second-stage rolling and crushing;

step three, primary secondary rolling and crushing: the positive electrode material with the particle size larger than the aperture of the corresponding filter hole in the first filter plate 3 enters the inside of the third filter plate 513 positioned above under the action of the first spiral conveying blade 507 corresponding to the positive electrode material, the output end of the second motor 605 drives the second driving roller 606 to rotate, the first connecting column 609 on the surface of the second driving roller is driven by the rotating roller 603, the second spiral conveying blade 610 is driven by the connecting rod 611 to do circular motion around the rotating roller 603, meanwhile, the second spiral conveying blade 610 on the surface of the second connecting rod 611 drives the second spiral conveying blade 610 to rotate under the action of the second gear 613 meshed with the second gear 612, when the second spiral conveying blade 610 is positioned below the rotating roller 603 corresponding to the second spiral conveying blade 610, the second spiral conveying blade 610 transmits the positive electrode material to the direction of the guide frame 601, the second connecting column 615 drives the mounting block 616 to rotate along with the rotating roller 603, and when the rolling roller 620 is positioned below the side of the rotating roller 603, the rolling roller 620 is impacted towards the direction close to the third filter plate 513 under the action of the self gravity and the spring 618, and the outer surface of the rolling roller 620 is attached to the inner surface of the third filter plate 513, so that the rolling roller 620 can crush the positive electrode material and can repeatedly collide with the positive electrode material at the same time, and crush the positive electrode material, the crushing efficiency and the crushing precision are further improved, the positive electrode material with the particle size smaller than the filter hole diameter of the third filter plate 513 enters the inside of the third filter plate 513 positioned below to be crushed for the second time, the positive electrode material with the particle size larger than the filter hole diameter of the third filter plate enters the inside of the guide frame 601 under the action of the second spiral conveying blade 610, and is finally discharged through the discharge hole 602 positioned above, the single processing is facilitated, and the phenomenon that the positive electrode material meeting the crushing standard is mixed to influence the recycling effect of the positive electrode material is avoided;

step four, secondary rolling and crushing: the second conveyor belt 607 drives the second transmission roller 608 to drive the corresponding rotating roller 603 to rotate under the action of the second driving roller 606, the principle is the same as that of the third step, the rolling roller 620 in the third lower filter plate 513 further rolls and crushes the anode material, the crushed anode material with the particle size smaller than the filter hole diameter of the third lower filter plate 513 enters the treatment box 1 to be recycled, and the anode material with the particle size larger than the filter hole diameter of the third lower filter plate 513 is discharged through the corresponding discharge hole 602, so that the secondary treatment at the later stage is facilitated.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. A recovery processing device for ternary anode materials comprises a processing box (1) and a feeding frame (2), wherein the feeding frame (2) is arranged at a position, close to one side, of the outer surface of the upper end of the processing box (1), and the inner surface of the feeding frame (2) is communicated with the inner surface of the processing box (1), and is characterized in that a first filter plate (3) and a second filter plate (4) are respectively arranged at one side, close to the feeding frame (2), of the inner surface of the processing box (1), a first-stage crushing mechanism (5) is respectively arranged inside the first filter plate (3) and the second filter plate (4), and a second-stage rolling and crushing mechanism (6) is respectively arranged at a position, corresponding to the first filter plate (3) and the second filter plate (4), of the inner surface of the processing box (1);

the primary crushing mechanism (5) comprises a first mounting plate (501), a first motor (502), a first driving roller (503), a first conveying belt (504), a first transmission roller (505), a connecting roller (506) and a first spiral conveying blade (507); the outer surface of one side of the treatment box (1) is fixedly connected with a first mounting plate (501) at a position corresponding to the first filter plate (3), the outer surface of the lower end of the first mounting plate (501) is provided with a first motor (502), the output end of the first motor (502) is fixedly connected with a first driving roller (503), the surface of the first driving roller (503) is in transmission connection with a first conveyor belt (504), and the inner part of the first conveyor belt (504) at a position corresponding to the second filter plate (4) is in transmission connection with a first driving roller (505);

one side of the inner surface of the treatment box (1) is rotatably connected with a connecting roller (506) at a position corresponding to a driving roller I (503) and a transmission roller I (505), one end of the connecting roller (506) penetrates through the outer part of the treatment box (1) and is fixedly connected with the driving roller I (503) and the transmission roller I (505) which correspond to the driving roller I (507), the outer surface of the connecting roller (506) is fixedly connected with a spiral conveying blade I (507), a plurality of groups of rotating rod I (508) are rotatably connected with the inner part of the spiral conveying blade I (507), a plurality of groups of crushing blade I (509) are fixedly connected between the conveying intervals of the spiral conveying blade I (507) on the outer surface of the rotating rod I (508), one side of the inner surface of the treatment box (1) close to the joint of the connecting roller (506) is fixedly connected with a fixing ring I (510), the inner surface of the fixing ring I (510) is fixedly connected with a plurality of groups of teeth I (511) at equal intervals, the fixing ring I (510) and the connecting roller (506) are in one-to-another end of the filtering plate (3) which is fixedly connected with a filtering plate (512) and the filtering plate (512) which is fixedly connected with a filtering plate (3) and the other end of the filtering plate (512) which is fixedly connected with a filtering plate (512), and two sets of two-stage rolling crushing mechanisms (6) are arranged in the third filter plate (513).

2. The recycling device of the ternary cathode material as claimed in claim 1, wherein the secondary crushing mechanism (6) comprises a material guiding frame (601), a material outlet (602), a rotating roller (603), a second mounting plate (604), a second motor (605), a second driving roller (606) and a second conveyor belt (607); handle position fixedly connected with guide frame (601) that case (1) surface filter board three (513) correspond, and discharge gate (602) have been seted up to the lower extreme surface of guide frame (601), and the position that guide frame (601) internal surface that is located the top is close to the middle part rotates and is connected with live-rollers (603), the one end and the guide frame (601) of live-rollers (603) rotate and are connected, and the other end runs through to the inside of handling case (1) and rotates rather than and be connected, handle the position fixedly connected with mounting panel two (604) that case (1) surface and live-rollers (603) that are located the top correspond, and the lower extreme surface of mounting panel two (604) is provided with motor two (605).

3. The recycling device of the ternary cathode material according to claim 2, wherein a second driving roller (606) is fixedly connected to a position, corresponding to the upper rotating roller (603), of the output end of the second motor (605), a second conveyor belt (607) is connected to the outer surface of the second driving roller (606) in a transmission manner, a second driving roller (608) is connected to a position, corresponding to the lower rotating roller (603), inside the second conveyor belt (607), and one end, far away from the material guiding frame (601), of each of the two sets of rotating rollers (603) penetrates through the outside of the processing box (1) and is fixedly connected with the corresponding second driving roller (606) and the corresponding second driving roller (608).

4. The recycling device of ternary cathode materials according to claim 3, wherein six groups of first connecting columns (609) are fixedly connected to the outer surface of the rotating roller (603) at equal distances from the positions close to the two ends, a connecting rod (611) is rotatably connected between the two corresponding groups of first connecting columns (609), a second screw conveying blade (610) is fixedly connected to the outer surface of the connecting rod (611), the outer surface of the second screw conveying blade (610) is tightly attached to the inner surface of the third filter plate (513), a second fixing ring (614) is fixedly connected to one end of the inner surface of the treatment box (1) far away from the material guide frame (601), a plurality of groups of second teeth (612) are fixedly connected to the inner surface of the second fixing ring (614) in an annular equidistant mode, one end of the connecting rod (611) penetrates through the inner portion of the second fixing ring (614) and is fixedly connected with a second gear (613), and the second gear (613) is meshed with the second teeth (612).

5. The recycling device of ternary cathode materials according to claim 4, wherein the outer surface of the rotating roller (603) is fixedly connected with six groups of second connecting columns (615) at equal intervals at positions close to two ends, one end of each second connecting column (615) is fixedly connected with the rotating roller (603), the other end of each second connecting column is fixedly connected with a mounting block (616), a sliding groove (617) is formed in the outer surface of one side of each mounting block (616), a guide rod (619) is fixedly connected to the inner surface of each sliding groove (617), a spring (618) is arranged at a position, close to one end, of the outer surface of each guide rod (619), one end of each spring (618) is fixedly connected with each sliding groove (617), a sliding block is fixedly connected to the other end of each spring, and a rolling roller (620) is rotatably connected between two corresponding sliding blocks.

6. The recycling apparatus for ternary cathode material as claimed in claim 1, wherein said first (3) and second (4) filter plates are vertically disposed, and the first (3) filter plate has a pore size larger than that of the second (4) filter plate, and the second (513) filter plate has a pore size larger than that of the third (513) filter plate.

7. The method of operating the apparatus for recovering and processing a ternary positive electrode material according to any one of claims 1 to 6, comprising the steps of:

step one, introducing a positive electrode material: introducing the anode material into the treatment box (1) through the feeding frame (2), and enabling the anode material to fall to the surface of the first filter plate (3);

step two, primary crushing for the first time: a first motor (502) drives a first driving roller (503) to rotate, a first connecting roller (506) corresponding to the first driving roller (503) drives a first spiral conveying blade (507) on the surface of the first driving roller to rotate, and the positive electrode material is conveyed in the direction away from the first motor (502), in the process, a first rotating rod (508) located inside a first filter plate (3) rotates along with the first connecting roller (506) in a circle mode, and as the first rotating rod (508) is meshed with a first fixing ring (510) through a first gear (512), the first rotating rod (508) drives a first crushing blade (509) to rotate and crush the positive electrode material in the process that the first spiral conveying blade (507) conveys the positive electrode material, and the positive electrode material with the particle size smaller than the pore size corresponding to the positive electrode material enters the second filter plate (4) through the filter pores of the first filter plate (3) to be further crushed, and enters the inside a second filter plate (6) through the filter pores of the first filter pores corresponding to be crushed, so that the positive electrode material with the particle size larger than the pore size of the filter pores corresponding to be crushed enters the second filter plate (507) under the effect of a rolling mechanism to be crushed part, and the second filter plate (507), and the filter plate can be prevented from being crushed and the crushed part from being blocked, and the surface of the filter plate (3) being recovered, and the filter plate can be prevented from being blocked, and the situation that the filter plate (507);

step two, the second primary crushing: the first conveyor belt (504) drives the first transmission roller (505) to rotate under the action of the first drive roller (503), the first connecting roller (506) positioned in the second filter plate (4) drives the first spiral conveying blade (507) on the surface of the first transmission roller to rotate under the drive of the first transmission roller (505), the principle is the same as that in the first step, the first rotating rod (508) positioned in the second filter plate (4) drives the first crushing blade (509) to rotate, and the first crushing blade is used for crushing the positive electrode material with the grain diameter smaller than the pore diameter of the corresponding filter hole of the positive electrode material again, so that the crushing precision can be improved, the later storage and utilization are facilitated, and the positive electrode material which cannot fall into the treatment box (1) through the filter hole of the second filter plate (4) enters the second-stage crushing mechanism (6) to be subjected to second-stage crushing under the action of the first spiral conveying blade (507);

step three, primary secondary rolling and crushing: the positive electrode material with the particle size larger than the diameter of the corresponding filter hole in the first filter plate (3) enters the inside of the third filter plate (513) positioned above under the action of the first spiral conveying blade (507) corresponding to the positive electrode material, the output end of the second motor (605) drives the second driving roller (606) to rotate, the first connecting column (609) on the surface of the first rotating roller (603) is driven by the rotating roller (603), the second spiral conveying blade (610) on the surface of the second rotating roller is driven to rotate by the connecting rod (611) under the action of meshing of the second gear (613) and the second tooth (612), the second spiral conveying blade (610) on the surface of the second spiral conveying blade is driven to rotate, when the second spiral conveying blade (610) is positioned below the rotating roller (603) corresponding to the second spiral conveying blade, the positive electrode material is conveyed to the direction of the material guide frame (601), the second connecting column (615) drives the mounting block (616) to rotate along with the rotating roller (603), when the second rotating roller (610) is positioned below the rotating roller (603), the rotating roller collides with the self direction of the pressing roller (620) and impacts the outer surface of the third pressing roller (620) under the pressing roller (620), so that the pressing roller (620) and the pressing roller can repeatedly crush the positive electrode material, and the inner surface of the third filtering plate (513) under the pressing roller (603), and the pressing roller (620), thereby the pressing roller can crush the pressing roller (620), the crushing efficiency and the crushing precision are further improved, the anode material with the particle size smaller than the aperture of the filter hole of the filter plate III (513) enters the interior of the filter plate III (513) positioned below for secondary grinding and crushing, the anode material with the particle size larger than the aperture of the filter hole of the filter plate III (513) enters the interior of the material guide frame (601) under the action of the spiral conveying blade II (610), and is finally discharged through the discharge hole (602) positioned above, so that the anode material is conveniently and separately processed, and the problem that the anode material is mixed into the anode material meeting the crushing standard to influence the recycling effect of the anode material is avoided;

step four, secondary rolling and crushing: the second conveyor belt (607) drives the second transmission roller (608) to drive the corresponding rotating roller (603) to rotate under the action of the second driving roller (606), the principle is the same as that of the third step, the rolling roller (620) in the third lower filter plate (513) further rolls and crushes the anode material, the crushed anode material with the grain diameter smaller than the pore diameter of the third lower filter plate (513) enters the treatment box (1) to be recycled, and the anode material with the grain diameter larger than the pore diameter of the third lower filter plate (513) is discharged through the corresponding discharge hole (602), so that the post-treatment is facilitated.

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