Recovery device for lithium sulfide in lithium battery

Abstract

The utility model relates to the technical field of recovery devices, in particular to a recovery device for lithium sulfide in a lithium battery, which comprises a screening cylinder, a guide hopper is fixedly connected to the inner wall of the screening cylinder, two groups of crushing rollers are rotatably connected to the inside of the screening cylinder, and the end part of each group of crushing rollers is connected with a speed reducing motor; and the screening assembly comprises a flow guide plate, the flow guide plate is located below the smashing rollers, the outer ring of the flow guide plate is fixedly connected with a baffle ring through a supporting shaft, a positioning plate is arranged on the lower surface of the flow guide plate, and the lower portion of the positioning plate is connected with a screen through a supporting assembly. Through the arrangement of the flow guide plate, crushed lithium battery fragments can be fully dispersed and fall off, a diaphragm of the crushed lithium battery fragments can be blown and screened by matching with the distribution of the air injection pipes, and meanwhile, when the fragments fall above the screen, liquid on the fragments can be blown off through air injection treatment of the fragments, so that the screening efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to recycling device technical field, concretely is a kind of lithium battery lithium sulfide recycling device. BACKGROUND

[0002] As a kind of chemical substance, lithium sulfide has multiple uses, including but not limited to as potential electrolyte material in rechargeable lithium-ion battery, therefore, the recycling of lithium sulfide not only can reduce resource waste, but also can promote the recycling of resources, reduce production cost, the recycling of lithium sulfide is mainly recycled by lithium battery, and the first step of its recycling operation needs to disassemble and screen lithium battery.

[0003] In the recycling of lithium battery of prior art, the lithium battery is often crushed, but the sorting effect of the battery material after crushing is poor, and multiple devices are needed for crushing and sorting to separately realize the separation and treatment of the internal solution and the separator, so that the recycling device is heavy and occupies a large area, which is not convenient for actual use. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of lithium battery lithium sulfide recycling device to solve the problem of poor sorting effect of battery material after crushing in the above background art, which needs multiple devices to separately realize the separation and treatment of internal solution and separator.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of lithium battery lithium sulfide recycling device, comprising:

[0006] The inner wall of the screening cylinder is fixedly connected with a material guide hopper, two groups of crushing rollers are rotatably connected inside the screening cylinder, and the end of each group of crushing rollers is connected with a speed reducer.

[0007] The screening assembly includes a flow guide plate, the flow guide plate is below the crushing roller, the outer ring of the flow guide plate is fixedly connected with a baffle ring through a support shaft, the lower surface of the flow guide plate is provided with a positioning plate, and the lower surface of the flow guide plate is connected with a screen through a support assembly, the flow guide plate and the screen are circumferentially distributed with air jets, and the top of the air jets is connected with a gas supply pipe.

[0008] Preferably, the top of the screening cylinder is provided with a feed inlet, and the bottom of the screening cylinder is provided with a first discharge outlet, a second discharge outlet and a third discharge outlet.

[0009] Preferably, the speed reducer and the crushing roller are provided with two groups, and the two ends of the two groups of crushing rollers are rotatably connected with the screening cylinder through ball bearings, and the outer wall of the speed reducer is connected with the screening cylinder through a support frame.

[0010] Preferably, the upper surface of the flow guide plate is conical structure, and the diameter of the flow guide plate is smaller than the diameter of the blocking ring, and the inner diameter of the blocking ring is smaller than the maximum inner diameter of the screen.

[0011] Preferably, the support shaft penetrates to both ends of the blocking ring, and the end of the support shaft away from the flow guide plate is fixedly connected to the inner wall of the screening cylinder, the screen is funnel-shaped structure, and the air jet pipe is uniformly provided with air jet nozzles corresponding to the screen.

[0012] Preferably, the support assembly comprises a connecting plate, the connecting plate is connected to the lower surface of the positioning plate through screws, the bottom of the connecting plate is fixedly connected with a stand column and a traction rod, the bottom of the stand column is fixedly connected with a support, and the other end of the traction rod is fixedly connected with a support ring.

[0013] Preferably, the support is fixedly connected to the inner wall of the bottom end of the screen, the support ring is fixedly sleeved on the outside of the air jet pipe, and the dispersed diameters of the support ring and the air jet pipe are smaller than the outer diameter of the flow guide plate.

[0014] Compared with the prior art, the device has the advantages that: the device can fully disperse the crushed lithium battery fragments, and can blow and screen the diaphragm of the fragments in cooperation with the distribution of the air jet pipe, the liquid on the fragments can be blown off when the fragments fall above the screen, the efficiency of screening is further improved, the device is more compact, has strong functionality, occupies small area, and greatly improves the convenience and flexibility of use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a sectional view structure schematic diagram of the utility model;

[0016] Figure 2 It is a whole structure schematic diagram of the utility model;

[0017] Figure 3 It is a flow guide plate distribution structure schematic diagram of the utility model;

[0018] Figure 4 It is a screening assembly explosion structure schematic diagram of the utility model;

[0019] Figure 5 It is a whole structure schematic diagram of the support assembly of the utility model.

[0020] In the figure: 1, screening cylinder; 11, first discharge port; 12, second discharge port; 13, third discharge port; 14, feed inlet; 15, guide hopper; 2, speed reducer motor; 3, crushing roller; 4, screening assembly; 41, guide plate; 42, positioning plate; 43, baffle ring; 44, support shaft; 45, screen; 46, gas supply pipe; 47, air jet pipe; 5, support assembly; 51, connecting plate; 52, stand; 53, bracket; 54, traction rod; 55, support ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides an embodiment: a recovery device for lithium sulfide in lithium battery, include,

[0023] Screening cylinder 1, the inner wall of screening cylinder 1 is fixedly connected with guide hopper 15, two groups of crushing rollers 3 are rotatably connected in the inside of screening cylinder 1, and the end of each group of crushing rollers 3 is connected with speed reducer motor 2, the rotation of crushing roller 3 is driven by the energization of speed reducer motor 2, and then the crushing of lithium battery is realized by the mutual rotation of crushing roller 3.

[0024] Screening assembly 4, screening assembly 4 includes guide plate 41, guide plate 41 is below crushing roller 3, the outer ring of guide plate 41 is fixedly connected with baffle ring 43 through support shaft 44, the lower surface of guide plate 41 is provided with positioning plate 42, and the lower portion of positioning plate 42 is connected with screen 45 through support assembly 5, air jet pipe 47 is circumferentially distributed between guide plate 41 and screen 45, and the top of air jet pipe 47 is jointly connected with gas supply pipe 46, by the setting of the structure, when the crushed lithium battery falls, it is first contacted with guide plate 41 and is guided, so that it is fully dispersed, and then the falling fragments enter screen 45 for secondary screening, which greatly improves the screening effect, one end of gas supply pipe 46 penetrates to the outside of screening cylinder 1, and is connected with external gas supply equipment.

[0025] Further, the top of screening cylinder 1 is provided with feed inlet 14, the bottom of screening cylinder 1 is provided with first discharge port 11, second discharge port 12 and third discharge port 13, which are respectively used for recycling fragments, liquid and diaphragm.

[0026] Further, the two groups of speed reducer 2 and crushing roller 3 are arranged, and the two ends of the two groups of crushing roller 3 are rotatably connected with the screening cylinder 1 through the ball bearing, and the outer wall of the speed reducer 2 is connected with the screening cylinder 1 through the support frame.

[0027] Further, the upper surface of the flow guide plate 41 is in a conical structure, which improves the uniformity and dispersity of the flow guide, and the diameter of the flow guide plate 41 is smaller than that of the blocking ring 43, and the inner diameter of the blocking ring 43 is smaller than the maximum inner diameter of the screen 45, and the blocking ring 43 is arranged to block and limit the material, so that the material does not directly fly out of the screen 45 when falling, and the blocking and flow guiding of the blocking ring 43 make the fragments fall into the inside of the screen 45.

[0028] Further, the support shaft 44 penetrates to both ends of the blocking ring 43, and the end of the support shaft 44 away from the flow guide plate 41 is fixedly connected to the inner wall of the screening cylinder 1, and the screen 45 is in a funnel structure, and the air jet pipe 47 is uniformly provided with air nozzles corresponding to the screen 45, and the screen 45 and the air jet pipe 47 cooperate with each other, so that the fragments falling from the edge of the flow guide plate 41 are blown by the air jet pipe 47 during the falling process, and the diaphragm and the liquid are fully screened and filtered, thereby greatly improving the screening effect of the device.

[0029] Further, the support assembly 5 comprises a connecting plate 51, the connecting plate 51 is connected to the lower surface of the positioning plate 42 through screws, the bottom of the connecting plate 51 is fixedly connected with a stand 52 and a traction rod 54, the bottom of the stand 52 is fixedly connected with a support 53, the other end of the traction rod 54 is fixedly connected with a support ring 55, the support 53 is fixedly connected to the bottom inner wall of the screen 45, and the support ring 55 is fixedly sleeved on the outside of the air jet pipe 47, and the dispersed diameters of the support ring 55 and the air jet pipe 47 are smaller than the outer diameter of the flow guide plate 41, and the structure is arranged to support and position the components of the screening assembly 4, and ensure the stability of the device.

[0030] Working principle: the speed reducer 2 and the crushing roller 3 used in the application are products that can be directly purchased on the market, and their principles and connection modes are well known to those skilled in the art, so they will not be described here. In use, first, lithium batteries are added from the feeding port 14, and then the crushing roller 3 is driven by the speed reducer 2 to crush the lithium batteries, the crushed fragments first fall onto the upper surface of the flow guide plate 41, and then fall under the guidance of the flow guide plate 41, and the falling process is assisted by the blowing of the air jet pipe 47, so as to realize the screening of the diaphragm, and at the same time, when the fragments are separated from the screen 45, the liquid on the fragments is blown during the sliding process, so as to realize solid-liquid screening, thereby greatly improving the screening effect of the device.

[0031] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An apparatus for recovering lithium sulfide in a lithium battery, characterized by comprising: Include: Screening cylinder (1), the inner wall of which is fixedly connected with a material guide hopper (15), and two groups of crushing rollers (3) are rotatably connected inside the screening cylinder (1), and the end of each group of crushing rollers (3) is connected with a speed reducer motor (2); The screening assembly (4) includes a flow guide plate (41) below the crushing roller (3), the outer ring of the flow guide plate (41) is fixedly connected with a baffle ring (43) through a support shaft (44), the lower surface of the flow guide plate (41) is provided with a positioning plate (42), and the lower surface of the positioning plate (42) is connected with a screen (45) through a support assembly (5), and the circumferential distribution between the flow guide plate (41) and the screen (45) is provided with a jet pipe (47), and the top of the jet pipe (47) is connected with a gas supply pipe (46).

2. The device for recovering lithium sulphide from lithium batteries according to claim 1, characterized in that: The top of the screening cylinder (1) is provided with a feed inlet (14), and the bottom of the screening cylinder (1) is provided with a first discharge outlet (11), a second discharge outlet (12) and a third discharge outlet (13).

3. The device for recovering lithium sulphide from lithium batteries according to claim 1, characterized in that: The speed reducer motor (2) and the crushing roller (3) are provided with two groups, and the two ends of the two groups of crushing rollers (3) are rotatably connected with the screening cylinder (1) through the ball bearing, and the outer wall of the speed reducer motor (2) is connected with the screening cylinder (1) through the support frame.

4. The device for recovering lithium sulphide from lithium batteries according to claim 1, characterized in that: The upper surface of the flow guide plate (41) is of a conical structure, and the diameter of the flow guide plate (41) is smaller than the diameter of the baffle ring (43), and the inner diameter of the baffle ring (43) is smaller than the maximum inner diameter of the screen (45).

5. The device for recovering lithium sulphide from lithium batteries according to claim 1, characterized in that: The support shaft (44) penetrates to both ends of the baffle ring (43), and the end of the support shaft (44) away from the flow guide plate (41) is fixedly connected to the inner wall of the screening cylinder (1), and the screen (45) is of a funnel structure, and the jet pipe (47) is uniformly provided with a jet nozzle corresponding to the screen (45).

6. The device for recovering lithium sulphide from a lithium battery according to claim 1, characterized in that: The support assembly (5) includes a connecting plate (51) connected to the lower surface of the positioning plate (42) by screws, and the bottom of the connecting plate (51) is fixedly connected with a stand column (52) and a traction rod (54), and the bottom of the stand column (52) is fixedly connected with a support (53), and the other end of the traction rod (54) is fixedly connected with a support ring (55).

7. A device for recovering lithium sulphide from a lithium battery according to claim 6, characterized in that: The support (53) is fixedly connected to the bottom inner wall of the screen (45), the support ring (55) is fixedly sleeved on the outside of the jet pipe (47), and the dispersed diameters of the support ring (55) and the jet pipe (47) are smaller than the outer diameter of the flow guide plate (41).

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