High-temperature cracking device applied to ternary system lithium battery recovery

Abstract

The utility model discloses a high-temperature cracking device applied to ternary system lithium battery recovery, and relates to the technical field of high-temperature cracking devices. Comprising a cracking box, a rotating furnace is rotationally connected into the cracking box, a plurality of leakage holes are formed in the outer wall of the rotating furnace, one end of the rotating furnace fixedly communicates with a rotating pipe, the rotating pipe penetrates through the cracking box, a recycling box is fixed to one end of the cracking box, a spiral plate is fixed to the inner wall of the recycling box, and the recycling box is located on the outer side of the rotating pipe; one side of the heating box fixedly communicates with a fan, and an air outlet of the fan fixedly communicates with a conveying pipe. Gas generated by sufficient combustion of combustible gas is sucked away through the fan, then enters the recycling box through the conveying pipe, passes through the spiral plate and is exhausted through the air outlet pipe to heat the rotating pipe, so that battery materials entering the cracking box are preheated, the energy utilization efficiency and the cracking process efficiency can be improved, and the energy consumption is reduced. And resource waste can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to high temperature cracking device technical field, concretely is a kind of high temperature cracking device applied to ternary lithium battery recycling. BACKGROUND

[0002] A kind of high temperature cracking device applied to ternary lithium battery recycling is mainly used to separate and recycle harmful ingredients and valuable metals in waste ternary lithium battery (such as battery containing nickel, cobalt, manganese, aluminum and other materials). Through the technology of high temperature cracking, organic matter (such as electrolyte, polymer diaphragm etc.) in battery can be effectively removed, while valuable metal components are retained and recycled, and an existing waste lithium battery cracking device (publication number: CN221514429U) has the following shortcomings in use:

[0003] In use, combustible gas is introduced into the combustion box through the gas pipe, and then the combustible gas is burned under the action of the igniter, heating the heat conducting oil pipe located in the combustion box. After the combustible gas is fully burned in the combustion box, carbon dioxide is produced and directly discharged into the air. The temperature of the discharged carbon dioxide is relatively high, and direct discharge cannot recover heat, resulting in energy waste. Therefore, the present patent proposes a high temperature cracking device applied to ternary lithium battery recycling to solve the above problems. SUMMARY

[0004] The utility model aims at providing a kind of high temperature cracking device applied to ternary lithium battery recycling to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high temperature cracking device applied to ternary lithium battery recycling, including cracking box, rotationally connected with rotating furnace in cracking box, multiple leakage holes are arranged on the outer wall of rotating furnace, one end of rotating furnace is fixedly connected with rotating pipe, rotating pipe penetrates cracking box, one end of cracking box is fixed with recovery box, the inner wall of recovery box is fixed with spiral plate, recovery box is located at the outer side of rotating pipe, the bottom end of cracking box is fixed with heating box, one side of heating box is fixedly connected with fan, the outlet of fan is fixedly connected with conveying pipe, conveying pipe is fixedly connected with the bottom end of recovery box, one end of recovery box is fixedly connected with air outlet pipe, the other end of rotating furnace is fixedly connected with discharge pipe, the other end of cracking box is fixed with discharge barrel, discharge pipe is rotationally connected in discharge barrel.

[0006] Preferably, the bottom end of the cracking box is provided with an oil tank, an oil pump is installed in the oil tank, the oil outlet of the oil pump is fixedly connected with an oil guide pipe, and the oil guide pipe penetrates the oil tank, the heating tank and the cracking tank and is fixedly connected with the oil tank.

[0007] Preferably, the heating tank is provided with an igniter on one side, and the other side of the heating tank is fixedly connected with a mounting pipe.

[0008] Preferably, one side of the recycling box is fixed with a mounting frame, a feeding barrel is fixedly penetrated on the mounting frame, the rotating pipe is rotatably connected to the outer wall of the feeding barrel, and the top end of the feeding barrel is fixedly communicated with a feeding hopper.

[0009] Preferably, the inner wall of one end of the feeding barrel is rotatably connected with a rotating rod, the outer wall of the rotating rod is fixed with an auger, one end of the feeding barrel is fixed with a first motor, and the output end of the first motor is fixed with the rotating rod after penetrating through the feeding barrel.

[0010] Preferably, the outer wall of the rotating pipe is fixed with a first gear, one end of the recycling box is fixed with a fixing frame, one end of the recycling box is rotatably connected with a second gear, the first gear is engaged with the second gear, one end of the fixing frame is fixed with a second motor, the output end of the second motor is fixed with the second gear after penetrating through the fixing frame, and the top end of the cracking box is fixedly communicated with a first connecting pipe and a second connecting pipe.

[0011] Compared with the prior art, the recycling box has the beneficial effects that:

[0012] The gas generated by the combustion of the combustible gas is sucked away by the fan, then enters the recycling box through the conveying pipe, and is discharged through the air outlet pipe after the spiral plate, the rotating pipe is heated, and thus the battery material entering the cracking box is preheated, which can not only improve the energy utilization efficiency and the cracking process efficiency, but also can avoid resource waste. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a cracking box sectional view of the utility model;

[0015] Figure 3 It is a recycling box structure schematic view of the utility model;

[0016] Figure 4 It is a discharging barrel structure schematic view of the utility model.

[0017] In the drawing: 1, cracking box; 2, recycling box; 3, mounting frame; 4, feeding barrel; 5, rotating pipe; 6, rotating furnace; 7, leakage hole; 8, rotating rod; 9, auger; 10, heating box; 11, oil tank; 12, oil guide pipe; 13, igniter; 14, fan; 15, conveying pipe; 16, spiral plate; 17, air outlet pipe; 18, first gear; 19, second gear; 20, fixing frame; 21, second motor; 22, first connecting pipe; 23, second connecting pipe; 24, mounting pipe; 25, discharging barrel. PREFERRED EMBODIMENT

[0018] 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 efforts fall within the scope of the present application.

[0019] The high-temperature cracking device applied to recycling of ternary lithium batteries is mainly used for separating and recycling harmful components and valuable metals in waste ternary lithium batteries (such as batteries containing nickel, cobalt, manganese, aluminum and other materials). Through the high-temperature cracking technology, the organic matters (such as electrolyte, polymer diaphragm and the like) in the battery can be effectively removed, and the valuable metal components can be reserved and recycled. The high-temperature cracking device applied to recycling of ternary lithium batteries provided by the present application recycles the heat in the gas generated by combustion in the heating box 10, so as to preheat the battery materials entering the cracking box 1. The energy utilization efficiency and the cracking process efficiency can be improved, and resource waste can be avoided.

[0020] As shown in Figures 1-4 The present application provides a technical scheme: a high-temperature cracking device applied to recycling of ternary lithium batteries, comprising a cracking box 1, a rotating furnace 6 rotatably connected in the cracking box 1, a plurality of leakage holes 7 formed in the outer wall of the rotating furnace 6, a rotating pipe 5 fixedly communicated with one end of the rotating furnace 6, the rotating pipe 5 penetrating through the cracking box 1, a recovery box 2 fixedly connected at one end of the cracking box 1, a spiral plate 16 fixedly connected to the inner wall of the recovery box 2, the recovery box 2 located outside the rotating pipe 5, a heating box 10 fixedly connected at the bottom end of the cracking box 1, a fan 14 fixedly communicated with one side of the heating box 10, an air outlet of the fan 14 fixedly communicated with a conveying pipe 15, the conveying pipe 15 fixedly communicated with the bottom end of the recovery box 2, an air outlet pipe 17 fixedly communicated with one end of the recovery box 2, an outlet pipe fixedly communicated with the other end of the rotating furnace 6, an outlet barrel 25 fixedly connected at the other end of the cracking box 1, a first control valve installed on the outlet barrel 25, and the outlet pipe rotatably connected in the outlet barrel 25. An oil tank 11 is installed at the bottom end of the cracking box 1, an oil pump is installed in the oil tank 11, an oil outlet of the oil pump fixedly communicated with an oil guide pipe 12, the oil guide pipe 12 penetrating through the oil tank 11, the heating box 10 and the cracking box 1 and fixedly communicated with the oil tank 11, and the oil guide pipe 12 wound outside the rotating furnace 6. A fire starter 13 is installed on one side of the heating box 10, an installation pipe 24 fixedly communicated with the other side of the heating box 10, the installation pipe 24 used for introducing combustible gas into the heating box 10, and an oil outlet pipe fixedly communicated with the bottom end of the cracking box 1, the oil outlet pipe used for discharging cracking oil generated by combustion.

[0021] It should be noted that the combustible gas in the heating box 10 is ignited by the igniter 13, the oil pipe 12 in the heating box 10 is heated, the oil in the oil pipe 12 flows in the oil pipe 12 and finally enters the oil tank 11, the heated oil heats the rotating furnace 6, so that the lithium battery is heated, the temperature in the furnace body is increased to the cracking required temperature value, so that the waste lithium battery is subjected to anaerobic cracking reaction in the furnace body, the cracking oil generated by combustion is discharged through the oil outlet pipe, the cracking oil can be recycled by installing the collecting device on the oil outlet pipe, the gas generated by the combustion of the combustible gas is sucked away by the fan 14, then enters the recycling tank 2 through the conveying pipe 15, and is discharged through the air outlet pipe 17 after the spiral plate 16, the rotating pipe 5 is heated, so that the battery material entering the cracking box 1 is preheated, not only the energy utilization efficiency and the cracking process efficiency can be improved, but also the resource waste can be avoided, the air outlet pipe 17 is connected with the air purification device, the discharged gas is purified, and the solid particles after cracking are discharged through the discharge barrel 25.

[0022] As shown in Figures 1-4 The recycling tank 2 is fixed with a mounting frame 3 on one side, the mounting frame 3 is fixed with a feeding barrel 4 penetratingly, the rotating pipe 5 is rotatably connected to the outer wall of the feeding barrel 4, and the feeding barrel 4 is fixedly communicated with a feeding hopper at the top end. The inner wall of one end of the feeding barrel 4 is rotatably connected with a rotating rod 8, the outer wall of the rotating rod 8 is fixed with an auger 9, one end of the feeding barrel 4 is fixed with a first motor, and the output end of the first motor is fixed with the rotating rod 8 after penetrating the feeding barrel 4. The outer wall of the rotating pipe 5 is fixed with a first gear 18, one end of the recycling tank 2 is fixed with a fixed frame 20, one end of the recycling tank 2 is rotatably connected with a second gear 19, the first gear 18 is engaged with the second gear 19, one end of the fixed frame 20 is fixed with a second motor 21, and the output end of the second motor 21 is fixed with the second gear 19 after penetrating the fixed frame 20. The top end of the cracking box 1 is fixedly communicated with a first connecting pipe 22 and a second connecting pipe 23, and the first connecting pipe 22 and the second connecting pipe 23 are both installed with a second control valve.

[0023] It needs to be noted that the lithium battery material enters into the feeding barrel 4 through the feeding hopper, the first motor drives the rotating rod 8 to rotate, the rotating rod 8 drives the auger 9 to rotate, so that the material enters into the rotating furnace 6, the second motor 21 is started, the second motor 21 drives the second gear 19 to rotate, the second gear 19 drives the first gear 18 to rotate, the first gear 18 drives the rotating pipe 5 to rotate, so that the rotating furnace 6 rotates and drives the lithium battery material to move, the second connecting pipe 23 is used for introducing inert gas into the cracking box 1, air in the cracking box 1 is discharged, the air in the cracking box 1 is discharged through the first connecting pipe 22, the control mode of the electrical element in the scheme is controlled by the external controller matched with the electrical element, and the control circuit can be realized by simple programming of the person skilled in the art, belongs to the prior art, is only used, is not improved, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model are not explained in detail.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the attached embodiments and its equivalents.

Claims

1. A high-temperature pyrolysis device applied to the recycling of ternary lithium batteries, comprising a pyrolysis box (1), characterized in that: The rotating furnace (6) is rotatably connected in the cracking box (1), a plurality of leakage holes (7) are arranged on the outer wall of the rotating furnace (6), one end of the rotating furnace (6) is fixedly connected with a rotating pipe (5), the rotating pipe (5) penetrates the cracking box (1), one end of the cracking box (1) is fixedly connected with a recovery box (2), the inner wall of the recovery box (2) is fixedly connected with a spiral plate (16), the recovery box (2) is located outside the rotating pipe (5), the bottom end of the cracking box (1) is fixedly connected with a heating box (10), one side of the heating box (10) is fixedly connected with a fan (14), the air outlet of the fan (14) is fixedly connected with a conveying pipe (15), the conveying pipe (15) is fixedly connected with the bottom end of the recovery box (2), one end of the recovery box (2) is fixedly connected with an air outlet pipe (17), the other end of the rotating furnace (6) is fixedly connected with a discharge pipe, the other end of the cracking box (1) is fixedly connected with a discharge barrel (25), and the discharge pipe is rotatably connected in the discharge barrel (25).

2. The high-temperature pyrolysis device for recycling of ternary lithium batteries according to claim 1, characterized in that: The bottom end of the cracking box (1) is fixedly connected with an oil tank (11), the oil tank (11) is fixedly connected with an oil pump, the oil outlet of the oil pump is fixedly connected with an oil guide pipe (12), and the oil guide pipe (12) penetrates the oil tank (11), the heating box (10) and the cracking box (1) and is fixedly connected with the oil tank (11).

3. The high-temperature pyrolysis device for recycling of lithium batteries of a ternary system according to claim 1, characterized in that: One side of the heating box (10) is fixedly connected with an igniter (13), and the other side of the heating box (10) is fixedly connected with a mounting pipe (24).

4. The high-temperature pyrolysis device for recycling of lithium batteries of a ternary system according to claim 1, characterized in that: One side of the recovery box (2) is fixedly connected with a mounting frame (3), the mounting frame (3) is fixedly connected with a feeding barrel (4), the rotating pipe (5) is rotatably connected to the outer wall of the feeding barrel (4), and the top end of the feeding barrel (4) is fixedly connected with a feeding hopper.

5. The high-temperature pyrolysis device for recycling of lithium batteries of a ternary system according to claim 4, characterized in that: The inner wall of one end of the feeding barrel (4) is rotatably connected with a rotating rod (8), the outer wall of the rotating rod (8) is fixedly connected with an auger (9), one end of the feeding barrel (4) is fixedly connected with a first motor, and the output end of the first motor penetrates the feeding barrel (4) and is fixedly connected with the rotating rod (8).

6. The high-temperature pyrolysis device for recycling of lithium batteries of a ternary system according to claim 1, characterized in that: The outer wall of the rotating pipe (5) is fixedly connected with a first gear (18), one end of the recovery box (2) is fixedly connected with a fixing frame (20), one end of the recovery box (2) is rotatably connected with a second gear (19), the first gear (18) is engaged with the second gear (19), one end of the fixing frame (20) is fixedly connected with a second motor (21), the output end of the second motor (21) penetrates the fixing frame (20) and is fixedly connected with the second gear (19), and the top end of the cracking box (1) is fixedly connected with a first connecting pipe (22) and a second connecting pipe (23).

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