CN218486851U

CN218486851U - Continuous type lithium cell recovery unit

Info

Publication number: CN218486851U
Application number: CN202223035871.6U
Authority: CN
Inventors: 赵浩
Original assignee: Wuhan Weineng Battery Assets Co ltd
Current assignee: Wuhan Weineng Battery Assets Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-02-17
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses a continuous type lithium cell recovery unit relates to lithium cell and retrieves technical field. The continuous lithium battery recovery device comprises a liquid storage tank, a driving motor, a screw rod and a fixing cylinder. The fixed cylinder is fixedly connected in the liquid storage tank, the fixed cylinder is provided with a plurality of sieve pores, the fixed cylinder is provided with a feed inlet and a discharge outlet, the feed inlet is used for feeding pole piece fragments, the driving motor is arranged in the liquid storage tank and is in transmission connection with the screw rod, the screw rod is rotatably arranged in the fixed cylinder, the screw rod is used for stirring pole piece and reaction solution under driving motor's effect to make the pole piece separate into mass flow body and battery material, the screw rod still is used for extruding the mass flow body from the discharge gate under driving motor's effect. The utility model provides a continuous type lithium cell recovery unit can realize the continuous separation of battery material and current collection body, improves separation efficiency, save time cost and human cost, and the practicality is strong.

Description

Continuous type lithium battery recovery device

Technical Field

The utility model relates to a lithium cell retrieves technical field particularly, relates to a continuous type lithium cell recovery unit.

Background

At present, with the increasing sales volume of new energy vehicles, the amount of retired batteries will enter a rapid rise period, and the current methods for recovering batteries generally include firstly performing crushing treatment on the battery core of a lithium battery to enable all positive plates, negative plates, diaphragms, shells and the like to become small pieces or particles to be mixed together, then sorting out the pole piece fragments (positive pieces or negative pieces) through flotation, magnetic separation, gravity sorting and other methods, and then soaking the sorted pole piece fragments in a reaction solution (an acid solution or an alkali solution) to realize separation of a battery material and a current collector, thereby realizing recovery of the lithium battery. The step of separating the battery material and the current collector is generally realized manually at present, the battery material and the current collector obtained after the soaking reaction are mixed in the reaction solution, and the battery material and the current collector are physically separated manually, so that the battery material and the current collector are separated, the operation is complex, time and labor are wasted, the whole separation process cannot be continuously carried out, and the separation efficiency is low.

In view of the above, it is important to design and manufacture a continuous lithium battery recycling device capable of realizing continuous separation, especially in recycling lithium batteries.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a continuous type lithium cell recovery unit can realize the continuous separation of battery material and current collection body, improves separation efficiency, save time cost and human cost, and the practicality is strong.

The utility model discloses a technical scheme who adopts following realizes.

A continuous lithium battery recovery device comprises a liquid storage tank, a driving motor, a screw rod and a fixed cylinder, wherein the fixed cylinder is fixedly connected in the liquid storage tank, the fixed cylinder is provided with a plurality of sieve pores, the liquid storage tank is used for containing reaction solution, the sieve pores are used for allowing the reaction solution to pass through, the fixed cylinder is provided with a feed inlet and a discharge outlet, the feed inlet is used for feeding pole piece fragments, driving motor installs in the liquid reserve tank, and is connected with the hob transmission, and the hob rotationally sets up in fixed cylinder, and the hob is used for stirring pole piece and reaction solution under driving motor's effect to make the pole piece separate into mass flow body and battery material, the hob still is used for extruding the mass flow body from the discharge gate under driving motor's effect.

Optionally, the screw rod includes a rotating shaft and a helical blade, the helical blade extends spirally along an axial direction of the rotating shaft and is fixedly connected to a circumferential surface of the rotating shaft, and the rotating shaft is connected to the driving motor.

Optionally, the fixed cylinder comprises a straight cylinder section and a conical section which are connected with each other, one end of the straight cylinder section, which is far away from the conical section, is fixedly connected with the inner wall of the liquid storage box, the conical section is provided with a big end and a small end relatively, the big end is connected with the straight cylinder section, the small end is fixedly connected with the inner wall of the liquid storage box, the feed inlet is arranged on the circumferential surface of the straight cylinder section, and the discharge outlet is arranged at the small end.

Optionally, the helical blade comprises an equal diameter portion and a tapered portion which are connected with each other, the equal diameter portion and the tapered portion are both connected on the rotating shaft, the diameter of the tapered portion is gradually reduced in a direction away from the equal diameter portion along the axis of the rotating shaft, the equal diameter portion is arranged in the straight cylinder section, and the tapered portion is arranged in the tapered section.

Optionally, continuous type lithium cell recovery unit is still including collecting the box, and the through-hole has been seted up to the liquid reserve tank, collects box fixed connection in the outside of liquid reserve tank, and through-hole and discharge gate intercommunication, collects the box and is used for collecting the mass flow body.

Optionally, the liquid storage tank is further provided with a limiting hole, one end, far away from the driving motor, of the screw rod extends into the limiting hole, and is in running fit with the limiting hole, and the limiting hole is communicated with the discharge hole.

Optionally, the through hole and the limiting hole are both located in a projection area of the discharge port on the liquid storage tank, the limiting hole is arranged in the middle of the projection area, and the through hole is arranged below the limiting hole.

Optionally, the continuous lithium battery recycling device further comprises a bearing, wherein the bearing is fixedly installed in the limiting hole and sleeved outside the screw rod.

Optionally, a feeding funnel is arranged at the top of the fixed cylinder, and the feeding funnel is communicated with the feeding hole.

Optionally, continuous type lithium cell recovery unit still includes drain pipe and ooff valve, and the bottom of liquid reserve tank is provided with the cavity that converges, and the ooff valve is installed on the drain pipe, drain pipe and the cavity intercommunication that converges.

The utility model provides a continuous type lithium cell recovery unit has following beneficial effect:

the utility model provides a continuous lithium battery recovery device, a fixed cylinder is fixedly connected in a liquid storage tank, the fixed cylinder is provided with a plurality of sieve pores, the liquid storage tank is used for containing reaction solution, the sieve pores are used for the reaction solution to pass through, the fixed cylinder is provided with a feed inlet and a discharge outlet, the feed inlet is used for feeding pole piece fragments, a driving motor is arranged in the liquid storage tank, and be connected with the hob transmission, the hob rotationally sets up in fixed cylinder, the hob is used for stirring pole piece and reaction solution under driving motor's effect to make the pole piece separate into mass flow body and battery material, the hob still is used for extruding the mass flow body from the discharge gate under driving motor's effect. Compared with the prior art, the utility model provides a continuous type lithium cell recovery unit is owing to adopted the hob of connecting in the solid fixed cylinder of liquid reserve tank and setting up in solid fixed cylinder, so can realize the continuous separation of battery material and current-collecting body, improves separation efficiency, save time cost and human cost, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a continuous lithium battery recycling device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a fixing cylinder in a continuous lithium battery recycling device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a screw rod in a continuous lithium battery recycling device according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the connection between the liquid storage tank and the collecting box in the continuous lithium battery recycling device provided by the embodiment of the present invention.

An icon: 100-continuous lithium battery recycling device; 110-a liquid storage tank; 111-a via; 112-a confluence cavity; 113-a limiting hole; 120-a drive motor; 130-a screw rod; 131-a rotating shaft; 132-helical blades; 133-equal diameter part; 134-a tapered portion; 140-a stationary cylinder; 141-mesh; 142-a feed port; 143-a discharge port; 144-a straight cylinder section; 145-a conical section; 146-big end; 147-small end; 148-a feeding funnel; 150-a collection box; 160-a bearing; 170-a liquid outlet pipe; 180-switch valve.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Referring to fig. 1 to 4, an embodiment of the present invention provides a continuous lithium battery recycling device 100 for recycling pole piece fragments. The continuous separation of battery materials and current collectors can be realized, the separation efficiency is improved, the time cost and the labor cost are saved, and the practicability is high.

In this embodiment, the pole piece fragments are positive electrode fragments, the current collector is an aluminum foil, and the continuous lithium battery recycling device 100 is used for recycling the positive electrode fragments to obtain the aluminum foil and the battery material. However, the present invention is not limited thereto, and in other embodiments, the pole piece fragments are negative electrode fragments, and in this case, the current collector is a copper foil, and the continuous lithium battery recycling apparatus 100 can separate the negative electrode fragments into a copper foil and a battery material.

The continuous lithium battery recycling device 100 includes a liquid storage tank 110, a driving motor 120, a screw rod 130, a fixing cylinder 140, a collecting box 150, a bearing 160, a liquid outlet pipe 170, and a switching valve 180. Fixed cylinder 140 fixed connection is in liquid reserve tank 110, and a plurality of sieve meshes 141 have been seted up to fixed cylinder 140, and liquid reserve tank 110 is used for splendid attire reaction solution, and sieve mesh 141 is used for supplying reaction solution to pass through, and reaction solution in the liquid reserve tank 110 can flow in fixed cylinder 140 through sieve mesh 141, and reaction solution in the fixed cylinder 140 can flow out to liquid reserve tank 110 through sieve mesh 141. The fixed cylinder 140 is provided with a feed port 142 and a discharge port 143, and the feed port 142 is used for feeding pole piece fragments so that the pole piece fragments react with a reaction solution in the fixed cylinder 140, and the pole piece fragments are separated into a current collector and a battery material. The driving motor 120 is installed in the liquid storage tank 110 and is in transmission connection with the screw rod 130, and the driving motor 120 is used for driving the screw rod 130 to rotate. The screw rod 130 is rotatably disposed in the fixing cylinder 140, the screw rod 130 is used for stirring the pole piece fragments and the reaction solution under the action of the driving motor 120 to accelerate the reaction between the pole piece fragments and the reaction solution, so that the pole piece fragments are quickly separated into a current collector and a battery material, the screw rod 130 is also used for extruding the current collector from the discharge hole 143 under the action of the driving motor 120, so that the current collector is separated from the reaction solution attached with the battery material, and the separation function of the battery material and the current collector is realized. Thus, in the operation process of the continuous lithium battery recycling device 100, the pole piece fragments can be continuously added into the fixed cylinder 140 through the feeding hole 142, so that the pole piece fragments can continuously react with the reaction solution, and the current collector obtained by the reaction can be continuously extruded out from the discharging hole 143 through the screw rod 130, so that the continuous separation of the battery material and the current collector can be realized, and the separation efficiency is high.

Specifically, the pole piece fragments are separated to form a current collector and a battery material, wherein the current collector is in a sheet shape, the area of the current collector is larger than that of a sieve hole 141 on the fixed cylinder 140, the current collector cannot be separated from the fixed cylinder 140 through the sieve hole 141, and the current collector can only be extruded out from a discharge hole 143 of the fixed cylinder 140 under the action of the screw rod 130; the cell material is in the form of dust, and the cell material can be attached to the reaction solution and flow out of the sieve holes 141 under the drive of the reaction solution. Thus, after the separation of the pole piece fragments is completed, the current collector is left in the fixed cylinder 140 and continuously moves towards the discharge port 143 along with the rotation of the screw 130, and the reaction solution and the battery material flow out of the fixed cylinder 140 to the liquid storage tank 110, so that the next process of separating the battery material from the reaction solution can be conveniently carried out.

It should be noted that the through hole 111 is opened in the liquid storage box 110, the collecting box 150 is fixedly connected to the outer side of the liquid storage box 110 and is communicated with the discharge hole 143 through the through hole 111, and the collecting box 150 is used for collecting a current collector. Specifically, the screw rod 130 continuously rotates under the action of the driving motor 120 to continuously press the current collector in the fixing cylinder 140 toward the direction close to the discharge port 143, so that the current collector sequentially passes through the discharge port 143 and the through hole 111 to enter the collecting box 150, thereby facilitating the subsequent processing of the current collector.

Further, one end of the screw rod 130, which is far away from the driving motor 120, is connected to the liquid storage tank 110 through the bearing 160, so as to ensure that the rotation process of the screw rod 130 is stable and reliable, thereby improving the stability of the current collector in extrusion. In addition, the bottom of the liquid storage tank 110 is provided with a confluence cavity 112, the switch valve 180 is installed on the liquid outlet pipe 170, the switch valve 180 is used for conducting or cutting off the liquid outlet pipe 170, the liquid outlet pipe 170 is communicated with the confluence cavity 112, and the confluence cavity 112 is used for gathering the reaction solution together, so that the reaction solution and the battery material flow out from the liquid outlet pipe 170 rapidly, and the liquid outlet efficiency is improved.

The screw bar 130 includes a rotation shaft 131 and a screw blade 132. The helical blade 132 is spirally extended along the axial direction of the rotating shaft 131, and is fixedly connected to the circumferential surface of the rotating shaft 131. Rotation axis 131 is connected with driving motor 120, and driving motor 120 drives helical blade 132 through rotation axis 131 and rotates, and helical blade 132 can stir reaction solution and pole piece at the rotation in-process to reaction with higher speed, helical blade 132 can also apply the extrusion force to the mass flow body in the fixed cylinder 140 at the rotation in-process, advances towards the direction spiral that is close to discharge gate 143 with the drive mass flow body.

Specifically, a gap is formed between the helical blade 132 and the inner wall of the fixed cylinder 140, and the gap is smaller than the thickness of the current collector, so as to improve the conveying effect of the helical blade 132 under the condition that the helical blade 132 does not interfere with the inner wall of the fixed cylinder 140, and prevent the current collector from attaching to the inner wall of the fixed cylinder 140 and moving in the direction close to the discharge port 143.

The fixed cylinder 140 includes a straight cylinder section 144 and a tapered section 145 connected to each other. One end of the straight cylinder section 144, which is far away from the conical section 145, is fixedly connected with the inner wall of the liquid storage tank 110, the conical section 145 is oppositely provided with a large end 146 and a small end 147, the large end 146 is connected with the straight cylinder section 144, and the inner diameter of the large end 146 is the same as that of the straight cylinder section 144. The small end 147 is fixedly connected with the inner wall of the liquid storage tank 110, the feed port 142 is opened on the circumferential surface of the straight cylinder section 144, and the discharge port 143 is arranged at the small end 147. Specifically, in the process of separating the pole piece fragments, the pole piece fragments are continuously fed into the straight cylinder section 144 from the feed inlet 142; then, the screw rod 130 is used for driving the pole piece fragments to spirally advance towards the direction close to the conical section 145, so that the pole piece fragments react with the reaction solution to obtain a current collector and a battery material, and in the process, because the space in the straight cylinder section 144 is large, the pole piece fragments can be ensured to be fully contacted with the reaction solution, and the full reaction of the pole piece fragments and the reaction solution is realized; after the generated current collector enters the large end 146 from the straight cylinder section 144, the screw rod 130 is continuously utilized to drive the current collector to spirally advance towards the direction close to the small end 147, and in the process, the inner diameter of the conical section 145 is gradually reduced, so that the collection and the convergence of the current collector can be realized, the current collector can be filtered out from the reaction solution, and the current collector is conveniently extruded from the discharge hole 143.

In this embodiment, a feeding funnel 148 is disposed at the top of the straight section 144 of the fixed cylinder 140, the feeding funnel 148 is communicated with the feeding hole 142, and the pole piece fragments can enter the straight section 144 through the feeding funnel 148, so as to realize continuous feeding of the pole piece fragments.

The helical blade 132 includes an equal diameter portion 133 and a tapered portion 134 connected to each other. The equal-diameter portion 133 and the tapered portion 134 are both connected to the rotating shaft 131, the diameter of the tapered portion 134 gradually decreases in a direction away from the equal-diameter portion 133 along the axis of the rotating shaft 131, the equal-diameter portion 133 is provided in the straight cylindrical section 144, and the tapered portion 134 is provided in the tapered section 145. Specifically, driving motor 120 drives constant diameter portion 133 and convergent 134 synchronous revolution through axis of rotation 131, and at this in-process, constant diameter portion 133 can drive the pole piece in the straight section 144 and continuously spiral and advance for pole piece and reaction solution are quick fully reacted, and convergent 134 can drive the mass collector spiral in the toper section 145 and advance, makes the mass collector continuously extrude from discharge gate 143.

In this embodiment, spacing hole 113 has still been seted up to liquid reserve tank 110, and the one end that driving motor 120 was kept away from to hob 130 stretches into spacing hole 113 and sets up, and with spacing hole 113 normal running fit, hob 130 can rotate for spacing hole 113, and spacing hole 113 can carry on spacingly to hob 130. The limiting hole 113 is communicated with the discharge hole 143 so as to facilitate the installation of the screw 130. Specifically, bearing 160 fixed mounting is in spacing hole 113, and outside the axis of rotation 131 of hob 130 was located to the cover, and the position of bearing 160 can be injectd through the cooperation of bearing 160 with spacing hole 113 to liquid reserve tank 110, and bearing 160 can guarantee hob 130 pivoted stability to improve the precision and the efficiency that hob 130 carried the material.

It should be noted that the through hole 111 and the limiting hole 113 are both located in the projection area of the discharge port 143 on the reservoir 110, that is, the small end 147 of the conical section 145 of the fixing cylinder 140 is covered outside the through hole 111 and the limiting hole 113. Wherein, spacing hole 113 sets up in the middle part of projection area, and the axial of hob 130 is with spacing hole 113's axial syntropy to make hob 130 be located the middle part position of solid fixed cylinder 140, thereby guarantee hob 130 and solid fixed cylinder 140's cooperation precision, in addition, spacing hole 113 is the same with collection box 150 intercommunication, but because be provided with bearing 160 and hob 130 in spacing hole 113, so the mass flow body can not outwards extrude from spacing hole 113. In this embodiment, the through hole 111 is disposed below the limiting hole 113, and the current collector can be extruded out from the through hole 111 to the collecting box 150 under the action of the screw rod 130.

It should be noted that, during the operation of the continuous lithium battery recycling device 100, the liquid level of the reaction solution needs to be controlled in real time so that the liquid level of the reaction solution is always lower than the position of the through hole 111 to prevent the reaction solution from flowing into the collecting box 150 through the through hole 111, and the liquid level of the reaction solution needs to be controlled to be always higher than the preset height of the bottom of the fixing cylinder 140 to ensure that enough reaction solution reacts with the pole piece fragments.

Specifically, since the liquid level of the reaction solution is always lower than the position of the through hole 111, the lower portion of the fixed cylinder 140 is soaked in the reaction solution, and the upper portion of the fixed cylinder 140 is not soaked in the reaction solution, so that, in the process that the screw rod 130 drives the pole piece fragments to spirally advance in the fixed cylinder 140, when the pole piece fragments rotate to the lower portion of the fixed cylinder 140, the pole piece fragments contact with the reaction solution and react; when the pole piece fragments rotate to the upper part of the fixed cylinder 140, the pole piece fragments are separated from the reaction solution and exposed to the air; the separation of pole piece can be accelerated to this circulation is repeated, improves separation efficiency.

In the continuous lithium battery recycling device 100 provided by the embodiment of the present invention, the fixing cylinder 140 is fixedly connected in the liquid storage tank 110, the fixing cylinder 140 is provided with a plurality of sieve pores 141, the liquid storage tank 110 is used for containing the reaction solution, the sieve pores 141 are used for allowing the reaction solution to pass through, the fixing cylinder 140 is provided with a feed port 142 and a discharge port 143, the feed port 142 is used for feeding pole piece fragments, the driving motor 120 is installed in the liquid storage tank 110, and be connected with screw 130 transmission, screw 130 rotationally sets up in fixed cylinder 140, and screw 130 is used for stirring pole piece and reaction solution under driving motor 120's effect to make the pole piece separate into mass flow collector and battery material, and screw 130 is still used for extruding the mass flow collector from discharge gate 143 under driving motor 120's effect. Compared with the prior art, the utility model provides a continuous type lithium cell recovery unit 100 is owing to adopted the solid fixed cylinder 140 of connecting in liquid reserve tank 110 and set up the hob 130 in solid fixed cylinder 140, so can realize the continuous separation of battery material and current-collecting body, improves separation efficiency, save time cost and human cost, and the practicality is strong.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The continuous lithium battery recovery device is characterized by comprising a liquid storage box (110), a driving motor (120), a spiral rod (130) and a fixing cylinder (140), wherein the fixing cylinder (140) is fixedly connected into the liquid storage box (110), the fixing cylinder (140) is provided with a plurality of sieve pores (141), the liquid storage box (110) is used for containing reaction solution, the sieve pores (141) are used for allowing the reaction solution to pass through, the fixing cylinder (140) is provided with a feed inlet (142) and a discharge outlet (143), the feed inlet (142) is used for feeding pole piece fragments into the reaction solution, driving motor (120) install in liquid reserve tank (110), and with hob (130) transmission is connected, hob (130) rotationally set up in solid fixed cylinder (140), hob (130) are used for driving motor (120) the effect down right the pole piece with reaction solution stirs, so that the pole piece separates into mass flow body and battery material, hob (130) still be used for under driving motor (120) the effect down will the mass flow body is followed discharge gate (143) is extruded.

2. The continuous lithium battery recycling device according to claim 1, wherein the screw rod (130) comprises a rotating shaft (131) and a helical blade (132), the helical blade (132) extends spirally along an axial direction of the rotating shaft (131) and is fixedly connected to a circumferential surface of the rotating shaft (131), and the rotating shaft (131) is connected to the driving motor (120).

3. The continuous lithium battery recycling device according to claim 2, wherein the fixed barrel (140) comprises a straight barrel section (144) and a conical section (145) which are connected with each other, one end of the straight barrel section (144) far away from the conical section (145) is fixedly connected with the inner wall of the liquid storage tank (110), the conical section (145) is oppositely provided with a large end (146) and a small end (147), the large end (146) is connected with the straight barrel section (144), the small end (147) is fixedly connected with the inner wall of the liquid storage tank (110), the feed port (142) is opened on the circumferential surface of the straight barrel section (144), and the discharge port (143) is arranged at the small end (147).

4. A continuous lithium battery recycling apparatus according to claim 3, wherein the helical blade (132) comprises a constant diameter portion (133) and a tapered portion (134) connected to each other, the constant diameter portion (133) and the tapered portion (134) are both connected to the rotating shaft (131), the diameter of the tapered portion (134) is gradually reduced in a direction away from the constant diameter portion (133) along the axis of the rotating shaft (131), the constant diameter portion (133) is disposed in the straight cylindrical section (144), and the tapered portion (134) is disposed in the tapered section (145).

5. The continuous lithium battery recycling device according to claim 1, further comprising a collecting box (150), wherein the liquid storage box (110) is opened with a through hole (111), the collecting box (150) is fixedly connected to the outside of the liquid storage box (110) and is communicated with the discharge hole (143) through the through hole (111), and the collecting box (150) is used for collecting the current collector.

6. The continuous lithium battery recycling device according to claim 5, wherein the liquid storage tank (110) further defines a limiting hole (113), one end of the screw rod (130) away from the driving motor (120) extends into the limiting hole (113) and is rotatably engaged with the limiting hole (113), and the limiting hole (113) is communicated with the discharge hole (143).

7. The continuous lithium battery recycling device according to claim 6, wherein the through hole (111) and the limiting hole (113) are both located in a projection area of the discharge port (143) on the liquid storage tank (110), the limiting hole (113) is disposed in a middle portion of the projection area, and the through hole (111) is disposed below the limiting hole (113).

8. The continuous lithium battery recycling device according to claim 6, further comprising a bearing (160), wherein the bearing (160) is fixedly installed in the limiting hole (113) and sleeved outside the screw rod (130).

9. The continuous lithium battery recycling device according to claim 1, wherein a feeding funnel (148) is arranged at the top of the fixed cylinder (140), and the feeding funnel (148) is communicated with the feeding hole (142).

10. The continuous lithium battery recycling device according to claim 1, further comprising a liquid outlet pipe (170) and a switch valve (180), wherein a confluence cavity (112) is formed at the bottom of the liquid storage tank (110), the switch valve (180) is mounted on the liquid outlet pipe (170), and the liquid outlet pipe (170) is communicated with the confluence cavity (112).