High-temperature drying device for recycling waste negative electrode materials

Abstract

The utility model relates to the technical field of negative electrode material waste recovery, and discloses a high-temperature drying device for negative electrode material waste recovery, which comprises a recovery tank, a drying device arranged on the back of the recovery tank, and a crushing device arranged on one side of the drying device, the main body structure comprises a rack, a supporting plate is installed at the bottom of the rack, a drying cylinder is installed at the top of the rack, pedals are installed on the two sides of the drying cylinder, an electromagnetic valve is installed at the bottom of the drying cylinder, heating assemblies are installed on the inner wall of the drying cylinder at equal intervals, and each heating assembly is of a heating ring structure. Through the design of the device, the negative electrode material waste can be effectively treated, the cyclic utilization of resources is realized, the environmental pollution is reduced, the waste treatment efficiency is improved, and the solid waste treatment cost of an enterprise is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to negative material waste recovery technical field, concretely is a kind of high-temperature drying device for negative material waste recovery. BACKGROUND

[0002] When lithium battery negative material is low-temperature heat treated in reaction kettle, material is stirred and heated in reaction kettle, part of material is discharged with tail gas overflow, and is enriched on filter plate, causing material waste, if the material on the surface of filter plate is cleaned down manually, the material is cleaned to ton bag in mud form, and the cost of third party treatment in the form of solid waste is increased.

[0003] Therefore, the utility model aims at providing a kind of efficient, energy-saving and environmental negative material waste recovery solution.New negative material waste recovery device, overall safety performance is high, can 100% recycle the waste produced in the process of negative material low-temperature treatment coating, waste is treated as raw material of negative material for secondary production, while reducing the cost of enterprise solid waste treatment. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of high-temperature drying device for negative material waste recovery to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high-temperature drying device for negative material waste recovery, including recovery groove, drying equipment installed in the back of recovery groove and the crushing equipment of being set at the side of drying equipment, the drying equipment is by main body structure, drive mechanism composition, the main body structure includes rack, the bottom of the rack is equipped with supporting plate, the top of the rack is equipped with drying cylinder, the both sides of the drying cylinder are equipped with installation pedal, the bottom of the drying cylinder is equipped with electromagnetic valve door, the inner wall of the drying cylinder is equidistantly equipped with heating assembly, and the heating assembly is specifically a heating ring structure;

[0006] The top of the drying cylinder is equipped with tail gas pipe orifice and feed pipe orifice that are connected, the tail gas pipe orifice is connected with tail gas treatment TO furnace outside through waste gas pipeline, and the feed pipe orifice is communicated with feed pipe, and the other end of the feed pipe extends into the recovery groove.

[0007] Preferably, the heating ring structure includes annular metal pipe, the surface of which is coated with nano catalyst coating, which can effectively improve the heat utilization efficiency, the annular metal pipe is provided with annular heat pipe inside, the annular heat pipe is provided with annular insulation pipe inside, and the annular insulation pipe is provided with annular heat plate inside, and the surface of the annular heat plate is equidistantly provided with wire hole, and the wire hole is provided with electric heating wire, the electric heating wire penetrates through the annular metal pipe and extends out to be connected with external power supply.

[0008] Preferably, the driving mechanism comprises a driving motor mounted on the top of the supporting plate, the output end of the driving motor is fixedly provided with a belt pulley I, the belt pulley I is rotationally connected with a belt pulley II through a belt, the belt pulley II is fixedly provided on a transmission shaft, the transmission shaft is provided on the top of the frame through bearing seats at both ends, and a disc hub is arranged at each end wall of the transmission shaft.

[0009] Preferably, a kneading plate is circumferentially arranged at equal distances between the two disc hubs, the two ends of the kneading plate are integrally provided with circular end plates, the circular end plates are mounted between the two disc hubs through bolts, mounting holes are equidistantly arranged on the outer wall of each kneading plate, a kneading column is arranged in each mounting hole, threads are arranged on the end of the kneading column, and the kneading column is fastened on the kneading plate through a nut.

[0010] Preferably, the driving mechanism further comprises a lower hopper mounted below the drying cylinder, a filter plate is arranged on the bottom of the lower hopper, a blower is arranged on the front of the bottom of the lower hopper, and an inclined lower discharge box is arranged on the back of the bottom of the lower hopper and connected with a crushing device through a conveying pipe.

[0011] Preferably, the crushing device comprises a stirring cylinder, a filter basket is arranged in the stirring cylinder, a cover plate is arranged on the top of the stirring cylinder, a stirring motor is arranged on the top of the cover plate, a stirring shaft is fixedly connected to the output end of the stirring motor, stirring blades are fixedly arranged on the outer wall of the stirring shaft, a discharge port is arranged on the bottom of the stirring cylinder, two funnel type cylinders are arranged on the bottom of the stirring cylinder, a discharge nozzle is arranged in communication with the bottom of the funnel type cylinders, and supporting legs are arranged on the bottom of the stirring cylinder.

[0012] The utility model provides a kind of high-temperature drying device for negative electrode material waste recovery.It has the following

[0013] Beneficial effects:

[0014] (1), the device can effectively treat negative electrode material waste, realize resource recycling, reduce environmental pollution, improve waste treatment efficiency and reduce the cost of enterprise solid waste treatment.

[0015] (2), the electric heating wire is made of high-purity nickel-chromium alloy material, which has high heat resistance and oxidation resistance, ensuring the stability and long service life of the heating process;In addition, the heat conduction efficiency between the annular heat conduction plate and the annular metal pipe is optimized, which reduces energy consumption and improves overall drying efficiency.

[0016] (3) The present invention uses the disc hub, the kneading plate, the round end plate and the kneading column to form a mixing and drying roller. Under the action of the drive motor, the mixing and drying roller realizes uniform mixing and heat transfer of the material, effectively promotes the evaporation of moisture inside the material and the emission of exhaust gas, and optimizes the whole drying process. Attached Figure Description

[0017] Figure 1 This is a front perspective view of the overall structure of this utility model;

[0018] Figure 2 This is a perspective view of the back of the overall structure of this utility model;

[0019] Figure 3 This is a bottom-view perspective view of the overall structure of this utility model;

[0020] Figure 4 This is a perspective view of the drying equipment of this utility model;

[0021] Figure 5 This is a three-dimensional schematic diagram of the drying cylinder structure of this utility model;

[0022] Figure 6 This is a three-dimensional schematic diagram of the heating component structure of this utility model;

[0023] Figure 7 This is a perspective view of the whole crushing equipment of this utility model;

[0024] Figure 8 This is a stereoscopic view of the drive mechanism of this utility model.

[0025] In the diagram: 11. Recycling tank; 12. Conveying pipe; 2. Drying equipment; 3. Crushing equipment; 4. Drive mechanism; 21. Frame; 22. Pallet; 23. Drying cylinder; 24. Mounting pedal; 25. Solenoid valve; 26. Heating assembly; 27. Exhaust pipe; 28. Feeding pipe; 29. ​​Annular metal pipe; 261. Annular heat-conducting pipe; 262. Annular insulating pipe; 263. Annular heat-conducting plate; 264. Heating wire; 265. Drive motor; 41. Belt pulley one; 42. Belt pulley two; 43. Drive shaft 44; 45. Hub; 46. Kneading plate; 47. Round end plate; 48. Kneading column; 49. Discharge hopper; 410. Inclined discharge box; 412. Filter plate; 413. Blower; 31. Mixing cylinder; 32. Filter basket; 33. Cover plate; 34. Mixing motor; 35. Mixing shaft; 36. Mixing blade; 37. Funnel-shaped cylinder; 38. Discharge nozzle; 39. Support leg. Detailed Implementation

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0027] Examples of the described embodiments are shown in the drawings, in which the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0028] Embodiment one:

[0029] The preferred embodiment of the high-temperature drying device for recycling negative material waste provided by the present application is shown in Figures 1-8 The high-temperature drying device for recycling negative material waste includes a recycling tank 11, a drying device 2 installed on the back of the recycling tank 11, and a crushing device 3 arranged on one side of the drying device 2. The drying device 2 is composed of a main structure and a driving mechanism 4. The main structure includes a rack 21, a supporting plate 22 installed at the bottom of the rack 21, a drying cylinder 23 installed at the top of the rack 21, a mounting pedal 24 installed on both sides of the drying cylinder 23, an electromagnetic valve 25 installed at the bottom of the drying cylinder 23, and a heating assembly 26 equidistantly installed on the inner wall of the drying cylinder 23. The heating assembly 26 is a heating ring structure.

[0030] A tail gas pipe opening 27 and a feeding pipe opening 28 are respectively installed on the top of the drying cylinder 23 and are in communication. The tail gas pipe opening 27 is connected to an external tail gas treatment TO furnace through a tail gas pipeline, and the feeding pipe opening 28 is communicated with a feeding pipe 29. The other end of the feeding pipe 29 extends into the recycling tank 11.

[0031] Embodiment two:

[0032] Please refer to Figures 1-8 On the basis of embodiment one, it is further obtained that the heating ring structure includes a ring-shaped metal pipe 261 coated with a nano catalyst coating on its surface, which can effectively improve the heat energy utilization efficiency. A ring-shaped heat conduction pipe 262 is arranged inside the ring-shaped metal pipe 261. A ring-shaped insulating pipe 263 is arranged inside the ring-shaped heat conduction pipe 262. A ring-shaped heat conduction plate 264 is arranged inside the ring-shaped insulating pipe 263. Linear holes are equidistantly arranged on the surface of the ring-shaped heat conduction plate 264. An electric heating wire 265 is arranged in the linear holes. The electric heating wire 265 penetrates through the ring-shaped metal pipe 261 and extends out to be connected with an external power supply.

[0033] Further, the electric heating wire 265 adopts high-purity nickel-chromium alloy material, has high heat resistance and oxidation resistance, and ensures the stability of the heating process and the long service life; in addition, the heat conduction efficiency between the annular heat conduction plate 264 and the annular metal pipe 261 is optimized, which reduces the energy consumption and improves the overall drying efficiency.

[0034] Example three:

[0035] Please refer to Figures 1-8 , and on the basis of examples one and two, further obtained: the driving mechanism 4 includes a driving motor 41 installed on the top of the supporting plate 22, the output end of the driving motor 41 is fixedly installed with a belt pulley one 42, and the belt pulley one 42 is rotatably connected with a belt pulley two 43 through a belt drive, the belt pulley two 43 is fixedly installed on a transmission shaft 44, the both ends of the transmission shaft 44 are installed on the top of the rack 21 through a bearing seat, and the both ends of the transmission shaft 44 are installed with a disc hub 45, a rubbing plate 46 is circumferentially and equidistantly arranged between the two disc hubs 45, the both ends of the rubbing plate 46 are integrally installed with a round end plate 47, and the rubbing plate 46 is installed between the two disc hubs 45 through the round end plate 47, each rubbing plate 46 is equidistantly provided with a mounting hole in the outer wall, each mounting hole is provided with a rubbing column 48, and the end of the rubbing column 48 is provided with a screw thread, and the rubbing column 48 is fastened on the rubbing plate 46 through a nut.

[0036] Further, the disc hub 45, the rubbing plate 46, the round end plate 47 and the rubbing column 48 together constitute a stirring and drying roller, which realizes uniform stirring and heat transfer of the material under the action of the driving motor 41, effectively promotes the evaporation of internal moisture and the discharge of tail gas of the material, and optimizes the whole drying process.

[0037] Further, the rubbing plate 46 is designed in staggered arrangement, which can effectively turn and stir the material, and enhance the drying effect; at the same time, under the control of the driving motor 41, the speed ratio of the belt pulley one 42 and the belt pulley two 43 is adjustable to adapt to the drying needs of different materials, in addition, the electromagnetic valve 25 of the drying equipment 2 can realize accurate temperature control to ensure the efficiency and energy saving of the drying process.

[0038] The driving mechanism 4 further includes a lower hopper 49 installed directly below the drying cylinder 23, the lower hopper 49 is provided with a filter plate 412 at the bottom, a blower 413 is installed at the front of the bottom of the lower hopper 49, and an inclined lower discharge box 410 is installed at the back of the bottom of the lower hopper 49, the inclined lower discharge box 410 is connected with the crushing equipment 3 through the conveying pipe 12;

[0039] Further, the air blower 413 of the lower hopper 49 is responsible for sending the dried material through the inclined lower feeding box 410 into the conveying pipe 12, and then into the crushing device 3 for subsequent processing. This design not only improves the conveying efficiency of the material, but also reduces energy consumption by optimizing the airflow dynamics, making the operation of the entire drying system more efficient and environmentally friendly.

[0040] Example Four:

[0041] Please refer to Figures 1-8 On the basis of Examples One, Two and Three, it is further obtained that the crushing device 3 comprises a stirring cylinder 31, a filter basket 32 is installed inside the stirring cylinder 31, a cover plate 33 is installed on the top of the stirring cylinder 31, a stirring motor 34 is installed on the top of the cover plate 33, a stirring shaft 35 is fixedly connected to the output end of the stirring motor 34, stirring blades 36 are fixedly installed on the outer wall of the stirring shaft 35, a discharge port is formed in the bottom of the stirring cylinder 31, and two funnel-shaped cylinders 37 are installed, a discharge nozzle 38 is communicated and installed at the bottom of the funnel-shaped cylinder 37, and support legs 39 are installed at the bottom of the stirring cylinder 31.

[0042] Further, the material entering the inside of the stirring cylinder 31 is rapidly crushed under the rapid rotation of the stirring blades 36 driven by the stirring motor 34, and the fine powder uniformly flows out through the funnel-shaped cylinder 37, effectively improving the crushing efficiency and uniformity of the powder. In addition, the design of the filter basket 32 effectively filters the dust generated during the crushing process, ensuring the quality of the powder.

[0043] In use, first, the waste stored in the recovery tank 11 is drawn into the drying cylinder 23 through the feed pipe 29, at this time, the driving motor 41 is started, the heating ring is ready to heat, so that the drying cylinder 23 gradually warms up, the driving motor 41 drives the belt pulley one 42, the belt pulley one 42 drives the belt pulley two 43 through the belt, the belt pulley two 43 drives the stirring and drying roller on the transmission shaft 44 to rotate, the stirring and drying roller realizes uniform stirring and heat transfer of the material under the action of the driving motor 41, effectively promoting the evaporation of the internal moisture of the material and the discharge of the tail gas, optimizing the entire drying process;

[0044] The dried material falls into the lower hopper 49 through the electromagnetic valve 25, and the air blower 413 of the lower hopper 49 is responsible for sending the dried material through the inclined lower feeding box 410 into the conveying pipe 12, and then into the crushing device 3 for subsequent processing;

[0045] At this time, the stirring motor 34 is started, the stirring motor 34 drives the stirring shaft 35, and the stirring shaft 35 drives the stirring blades 36 to rotate rapidly, and the fine powder uniformly flows out through the funnel-shaped cylinder 37, and the waste after treatment is used as raw material for secondary production of negative electrode material.

[0046] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A high-temperature drying device for recycling negative material waste, comprising a recycling tank (11), a drying device (2) installed on the back of the recycling tank (11), and a crushing device (3) arranged on one side of the drying device (2), characterized in that: The drying equipment (2) is composed of a main body structure and a driving mechanism (4), the main body structure includes a rack (21), the bottom of the rack (21) is provided with a supporting plate (22), the top of the rack (21) is provided with a drying cylinder (23), the two sides of the drying cylinder (23) are provided with mounting steps (24), the bottom of the drying cylinder (23) is provided with an electromagnetic valve (25), and the inner wall of the drying cylinder (23) is provided with heating assemblies (26) at equal intervals, and the heating assemblies (26) are specifically a heating ring structure. The top of the drying cylinder (23) is provided with a tail gas pipe opening (27) and a feeding pipe opening (28) in communication, the tail gas pipe opening (27) is connected with a tail gas treatment TO furnace outside through a waste gas pipeline, the feeding pipe opening (28) is communicated with a feeding pipe (29), and the other end of the feeding pipe (29) extends into a recovery tank (11).

2. The high-temperature drying device for negative material waste recovery according to claim 1, characterized in that: The heating ring structure includes a ring-shaped metal pipe (261), the inside of the ring-shaped metal pipe (261) is provided with a ring-shaped heat conduction pipe (262), the inside of the ring-shaped heat conduction pipe (262) is provided with a ring-shaped insulation pipe (263), the ring-shaped insulation pipe (263) is provided with a ring-shaped heat conduction plate (264), the surface of the ring-shaped heat conduction plate (264) is provided with wire holes at equal intervals, the wire holes are provided with electric heating wires (265), the electric heating wires (265) penetrate through the ring-shaped metal pipe (261) and extend out to be connected with an external power supply.

3. The high-temperature drying device for negative material waste recovery according to claim 1, characterized in that: The driving mechanism (4) includes a driving motor (41) mounted on the top of the supporting plate (22), the output end of the driving motor (41) is fixedly provided with a belt pulley I (42), the belt pulley I (42) is rotationally connected with a belt pulley II (43) through a belt drive, the belt pulley II (43) is fixedly installed on a transmission shaft (44), the two ends of the transmission shaft (44) are installed on the top of the rack (21) through bearing seats, and the two ends of the transmission shaft (44) are each provided with a disc hub (45).

4. The high-temperature drying device for negative material waste recovery according to claim 3, characterized in that: Two disc hubs (45) are provided with rubbing plates (46) at equal intervals in the circumferences, the two ends of the rubbing plates (46) are integrally provided with circular end plates (47), the rubbing plates (46) are installed between the two disc hubs (45) through the circular end plates (47) and bolts, the outer wall of each rubbing plate (46) is provided with mounting holes at equal intervals, each mounting hole is provided with a rubbing column (48), the end of the rubbing column (48) is provided with a thread, and the rubbing column (48) is fastened on the rubbing plate (46) through a nut.

5. The high-temperature drying device for negative material waste recovery according to claim 1, characterized in that: The driving mechanism (4) further includes a lower hopper (49) installed directly below the drying cylinder (23), the bottom of the lower hopper (49) is provided with a filter plate (412), the front surface of the bottom of the lower hopper (49) is provided with a blower (413), and the back surface of the bottom of the lower hopper (49) is provided with an inclined lower discharging box (410), the inclined lower discharging box (410) is connected with the crushing equipment (3) through a conveying pipe (12).

6. The high-temperature drying device for negative material waste recovery according to claim 1, characterized in that: Said crushing equipment (3) including has the stirring drum (31), the inside installation of stirring drum (31) has filter basket (32), the top of stirring drum (31) is installed cover plate (33), the top of cover plate (33) is installed stirring motor (34), the output end of stirring motor (34) is fixedly connected with stirring shaft (35), the outer wall of stirring shaft (35) is fixedly installed with stirring blade (36), the bottom of stirring drum (31) is provided with discharge gate, and is installed two funnel type cylinder (37), the bottom of funnel type cylinder (37) is communicated and is installed with discharging nozzle (38), the bottom of stirring drum (31) is installed with support leg (39).

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