Ultrasonic separation device

Abstract

The utility model discloses an ultrasonic separation device which comprises a plurality of cleaning tanks, a separation mechanism, a recovery tank and a water injection mechanism, the separation mechanism comprises an ultrasonic lifting driving part, an ultrasonic translation driving part, an ultrasonic rotation driving part and an ultrasonic transducer; and the water injection mechanism is used for injecting the clean water in the recovery tank into each cleaning tank. The technical scheme provided by the utility model has the beneficial effects that the ultrasonic translation driving piece drives the ultrasonic transducer to move along the length direction of the corresponding cleaning tank, so that the length direction of the cleaning tank is fully covered, and the action range of the ultrasonic transducer can cover the width of the cleaning tank, so that the cleaning tank can be fully cleaned. The cleaning tank can be fully covered by the ultrasonic transducer in the length direction and the width direction, so that fragments of the battery pole piece in the cleaning tank can be ultrasonically cleaned without dead angles, copper foil of the battery pole piece is effectively separated from carbon powder, and high-purity copper foil can be obtained by screening the copper foil through the screening device subsequently.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pole piece recycling, in particular to an ultrasonic separation device. Background Art

[0002] The main component of the battery pole piece is copper foil coated with carbon powder. When the battery pole piece is recycled, it is difficult to separate the carbon powder from the copper foil, which makes it difficult to recycle high-purity copper foil. Only high-purity copper foil has high economic value. Therefore, how to effectively separate the carbon powder on the copper foil of the battery pole piece to obtain high-purity copper foil is a technical problem that needs to be solved in this field.

[0003] Ultrasonic separation technology uses the cavitation effect, acceleration effect and straight flow effect of ultrasound in liquid to directly and indirectly affect liquid and dirt, so that the dirt layer is dispersed, emulsified and peeled off to achieve the purpose of cleaning. At present, ultrasonic separation technology has not been applied to the field of battery pole piece recycling. In theory, ultrasonic separation can peel off the carbon powder on the copper foil of the battery pole piece, but how to specifically apply ultrasonic separation technology to the separation of copper foil and carbon powder and how to improve the efficiency of ultrasonic separation are still technical problems that need to be solved urgently. Utility Model Content

[0004] In view of this, it is necessary to provide an ultrasonic separation device to effectively separate the copper foil and carbon powder of the battery electrode to obtain high-purity copper foil.

[0005] In order to achieve the above-mentioned purpose, the utility model provides an ultrasonic separation device, including a plurality of cleaning tanks, a separation mechanism, a recovery tank and a water injection mechanism;

[0006] The separation mechanism comprises an ultrasonic lifting drive member, an ultrasonic translation drive member, an ultrasonic rotation drive member and an ultrasonic transducer, wherein the ultrasonic lifting drive member is connected to the fixed end of the ultrasonic translation drive member, the movable end of the ultrasonic translation drive member is connected to the fixed end of the ultrasonic rotation drive member and is used to drive the fixed end of the ultrasonic rotation drive member to move along the length direction of the corresponding cleaning tank, the movable end of the ultrasonic rotation drive member is fixedly connected to the ultrasonic transducer and is used to drive the ultrasonic transducer to reciprocate, and the action range of the ultrasonic transducer can cover the width of the cleaning tank;

[0007] The water injection mechanism is used to inject the clean water in the recovery tank into each of the cleaning tanks.

[0008] In some embodiments, the ultrasonic separation device also includes a conveyor, which includes a conveying shell, a driving sprocket, a driven sprocket, a sprocket driving member, a chain and a plurality of fixed bars. The driving sprocket and the driven sprocket are both rotatably arranged on the conveying shell, the sprocket driving member is connected to the driving sprocket and is used to drive the driving sprocket to rotate, the chain is closed, and the two ends of the chain are respectively wound around the driving sprocket and the driven sprocket, each of the fixed bars is fixed on the chain, and each of the cleaning tanks is fixed on the fixed bars one by one.

[0009] In some embodiments, the number of the driving sprocket, the driven sprocket and the chain are all two, and the conveyor further includes a driving shaft and a driven shaft, and the driving shaft and the driven shaft are both rotatably disposed on the conveying shell, the two driving sprockets are coaxially fixed to the two ends of the driving shaft, and the two driven sprockets are coaxially fixed to the two ends of the driven shaft, one end of the two chains is respectively wound around the two driving sprockets, and the other end of the two chains is respectively wound around the two driven sprockets, and the two ends of each of the fixing bars are respectively fixed to the two chains.

[0010] In some embodiments, the conveyor further comprises a conveying support, and the conveying shell is fixed to the conveying support.

[0011] In some embodiments, the separation mechanism further includes a top plate, the ultrasonic lifting drive member is connected to the top plate and is used to drive the top plate to move up and down, and the fixed end of the ultrasonic translation drive member is fixed to the top plate.

[0012] In some embodiments, the separation mechanism also includes an airflow stirring member, which includes an air pipe, which is fixed to the fixed end of the ultrasonic translation drive member, one end of the air pipe is used to connect to the air source, and the other end of the air pipe is used to be inserted downward into the cleaning tank.

[0013] In some embodiments, each of the airflow stirring members includes two air pipes, which are respectively fixed on both sides of the fixed end of the ultrasonic translation drive member, one end of the two air pipes is used to connect to the air source, and the other end of the two air pipes is used to be inserted downward into the cleaning tank.

[0014] In some embodiments, the water injection mechanism includes a circulation pump and a drain pipe, the inlet of the circulation pump is connected to the recovery tank, the outlet of the circulation pump is connected to the lower end of the drain pipe, and the upper end of the drain pipe is used to connect to the cleaning tank located above.

[0015] In some embodiments, the ultrasonic separation device also includes a filtering mechanism, which includes an outer cylinder and a filter cartridge. The bottom surface of the outer cylinder is provided with a through hole located above the recovery tank. The filter cartridge is built into the outer cylinder, and the upper end opening of the filter cartridge is located below the unloading point of the conveyor.

[0016] In some embodiments, the filtering mechanism further includes a plurality of supporting columns, and the supporting columns are fixed to the lower end of the outer cylinder.

[0017] Compared with the prior art, the technical solution proposed by the utility model has the following beneficial effects: the battery pole piece fragments are loaded into the cleaning tank, and the water in the recovery tank is sucked into the cleaning tank by the water injection mechanism. When the battery pole piece fragments and water in the cleaning tank reach the set amount, the ultrasonic lifting drive member drives the fixed end of the ultrasonic translation drive member to move downward, so that the ultrasonic translation drive member and the ultrasonic rotation drive member both move downward, so that the ultrasonic transducer enters the cleaning tank, thereby cleaning the battery pole piece fragments in the cleaning tank, and at the same time, the ultrasonic translation drive member drives the ultrasonic transducer to move along the corresponding length direction of the cleaning tank, thereby cleaning The length direction of the washing tank is fully covered. Since the action range of the ultrasonic transducer can cover the width of the washing tank, the length and width directions of the washing tank can be fully covered by the ultrasonic transducer, so that the battery pole piece fragments in the washing tank can be ultrasonically cleaned without leaving any dead corners. At the same time, the ultrasonic rotary drive 26 drives the ultrasonic transducer 23 to rotate reciprocatingly, which can stir the water flow, improve the uniformity of dispersion of the battery pole piece fragments in the water, and improve the separation effect of the ultrasonic transducer 23, so that the copper foil and carbon powder of the battery pole piece are effectively separated, and the copper foil is subsequently screened out by a screening device to obtain high-purity copper foil. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the ultrasonic separation device provided by the utility model;

[0019] Figure 2 yes Figure 1 A schematic diagram of the structure of the ultrasonic separation device;

[0020] Figure 3 yes Figure 2 A partial enlarged view of the middle area A;

[0021] Figure 4 yes Figure 2 A partial enlarged view of the middle area B;

[0022] Figure 5 yes Figure 1 A schematic diagram of a three-dimensional structure of a separation mechanism;

[0023] Figure 6 yes Figure 1 A schematic diagram of the structure of the filtering mechanism in FIG.

[0024] In the figure: 1-cleaning tank, 2-separation mechanism, 21-ultrasonic lifting drive, 22-ultrasonic translation drive, 23-ultrasonic transducer, 24-top plate, 25-air flow stirring member, 251-trachea, 26-ultrasonic rotation drive, 3-recovery tank, 4-water injection mechanism, 41-circulation pump, 42-drain pipe, 5-conveyor, 51-conveyor shell, 52-driving sprocket, 53-driven sprocket, 54-sprocket drive, 55-chain, 56-fixed bar, 57-driving shaft, 58-driven shaft, 59-conveyor bracket, 6-filter mechanism, 61-outer cylinder, 611-through hole, 62-filter cartridge, 63-support column. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0026] Please refer to Figure 1-Figure 6 The utility model provides an ultrasonic separation device, comprising a plurality of cleaning tanks 1, a separation mechanism 2, a recovery tank 3 and a water injection mechanism 4;

[0027] The separation mechanism 2 includes an ultrasonic lifting drive member 21, an ultrasonic translation drive member 22, an ultrasonic rotation drive member 26 and an ultrasonic transducer 23. The ultrasonic lifting drive member 21 is connected to the fixed end of the ultrasonic translation drive member 22 and is used to drive the fixed end of the ultrasonic translation drive member 22 to move up and down. The movable end of the ultrasonic translation drive member 22 is connected to the fixed end of the ultrasonic rotation drive member 26 and is used to drive the fixed end of the ultrasonic rotation drive member 26 to move along the corresponding length direction of the cleaning tank 1. The movable end of the ultrasonic rotation drive member 26 is fixedly connected to the ultrasonic transducer 23 and is used to drive the ultrasonic transducer 23 to reciprocate. The action range of the ultrasonic transducer 23 can cover the width of the cleaning tank 1.

[0028] Specifically, the ultrasonic rotary drive member 26 drives the ultrasonic transducer 23 to reciprocate at a relatively small angle. In the present embodiment, the ultrasonic transducer 23 first rotates 10° counterclockwise, then 20° clockwise, then 20° counterclockwise, and then 20° clockwise, and so on in a continuous cycle to achieve reciprocating swing. Except for the first and last rotations of 10°, the other rotation angles are all 20°. The purpose of the rotation of the ultrasonic transducer 23 is, on the one hand, to stir the water flow and act as a stirrer, and on the other hand, it can also expand the range of action of the ultrasonic transducer 23.

[0029] In this embodiment, the ultrasonic rotation driving member 26 may be a stepping motor, the housing of the stepping motor is fixed to the movable end of the ultrasonic translation driving member 22 , and the output shaft of the stepping motor is fixedly connected to the ultrasonic transducer 23 .

[0030] The water injection mechanism 4 is used to inject the clean water in the recovery tank 3 into each of the cleaning tanks 1 .

[0031] When in use, the battery pole pieces are crushed to obtain battery pole piece fragments, and the battery pole piece fragments are loaded into the cleaning tank 1. At the same time, the water in the recovery tank 3 is sucked into the cleaning tank 1 through the water injection mechanism 4. When the battery pole piece fragments and water in the cleaning tank 1 reach the set amount, the ultrasonic lifting drive member 21 drives the fixed end of the ultrasonic translation drive member 22 to move downward, so that the ultrasonic translation drive member 22 and the ultrasonic rotation drive member 26 are both moved downward, so that the ultrasonic transducer 23 enters the cleaning tank 1, thereby cleaning the battery pole piece fragments in the cleaning tank 1. At the same time, the ultrasonic translation drive member 22 drives the ultrasonic transducer 23 to move along the corresponding length direction of the cleaning tank 1. Thereby, the length direction of the cleaning tank 1 is fully covered. Since the action range of the ultrasonic transducer 23 can cover the width of the cleaning tank 1, the length and width directions of the cleaning tank 1 can be fully covered by the ultrasonic transducer 23, so that the battery pole piece fragments in the cleaning tank 1 can be ultrasonically cleaned without leaving any dead angles. At the same time, the ultrasonic rotary drive member 26 drives the ultrasonic transducer 23 to rotate reciprocally, which can stir the water flow, improve the uniformity of dispersion of the battery pole piece fragments in the water, and improve the separation effect of the ultrasonic transducer 23, so that the copper foil and carbon powder of the battery pole piece are effectively separated, and the copper foil is subsequently screened out by a screening device to obtain a high-purity copper foil.

[0032] In order to facilitate the transport of the cleaning tank 1 to the bottom of the ultrasonic transducer 23 and the unloading of the cleaning tank 1, please refer to Figure 1-Figure 4 In a preferred embodiment, the ultrasonic separation device also includes a conveyor 5, which includes a conveying shell 51, a driving sprocket 52, a driven sprocket 53, a sprocket driving member 54, a chain 55 and a plurality of fixed bars 56. The driving sprocket 52 and the driven sprocket 53 are both rotatably arranged on the conveying shell 51, the sprocket driving member 54 is connected to the driving sprocket 52 and is used to drive the driving sprocket 52 to rotate. In this embodiment, the sprocket driving member 54 is a driving motor, the chain 55 is closed, and the two ends of the chain 55 are respectively wound around the driving sprocket 52 and the driven sprocket 53, each of the fixed bars 56 is fixed on the chain 55, and each of the cleaning tanks 1 is fixed on the fixed bar 56 one by one. During the reciprocating motion of each cleaning tank 1, when the cleaning tank 1 is on the upper layer, the opening of the cleaning tank 1 faces upward, thereby facilitating the loading of materials; when the cleaning tank 1 is on the lower layer, the opening of the cleaning tank 1 faces downward, thereby facilitating the unloading of materials.

[0033] To improve the stability of the cleaning tank 1, please refer to Figure 1-Figure 4 In a preferred embodiment, the number of the driving sprocket 52, the driven sprocket 53 and the chain 55 are all two, and the conveyor 5 further includes a driving shaft 57 and a driven shaft 58, and the driving shaft 57 and the driven shaft 58 are both rotatably arranged on the conveying housing 51, and the sprocket driving member 54 is connected to the driving shaft 57 and is used to drive the driving shaft 57 to rotate, and the two driving sprockets 52 are coaxially fixed to the two ends of the driving shaft 57, and the two driven sprockets 53 are coaxially fixed to the two ends of the driven shaft 58, and the two One end of the chain 55 is respectively wound around the two driving sprockets 52, and the other ends of the two chains 55 are respectively wound around the two driven sprockets 53. Both ends of each fixed bar 56 are respectively fixed to the two chains 55. When in use, the sprocket drive 54 drives the driving shaft 57 to rotate, thereby driving the two driving sprockets 52 to rotate, the driving sprocket 52 drives the chain 55 to rotate, and the chain 55 drives the fixed bar 56 and the cleaning tank 1 to rotate. Since there are two chains 55, the stability of the fixed bar 56 is improved, thereby improving the stability of the cleaning tank 1.

[0034] In order to facilitate the support of the conveying housing 51, please refer to Figure 1-Figure 4 In a preferred embodiment, the conveyor 5 further includes a conveying bracket 59 , and the conveying shell 51 is fixed to the conveying bracket 59 .

[0035] In order to realize the connection between the ultrasonic lifting drive member 21 and the ultrasonic translation drive member 22, please refer to Figure 1 and Figure 5 In a preferred embodiment, the separation mechanism 2 further includes a top plate 24, the ultrasonic lifting drive 21 is connected to the top plate 24 and is used to drive the top plate 24 to rise and fall. In this embodiment, the ultrasonic lifting drive 21 is two driving cylinders, which are respectively arranged on both sides of the conveyor 5. The fixed end of the ultrasonic translation drive 22 is fixed to the top plate 24, and the output end of the ultrasonic translation drive 22 is fixedly connected to the ultrasonic transducer 23. In this embodiment, the ultrasonic translation drive 22 is a linear motor. When in use, the ultrasonic lifting drive 21 drives the top plate 24 to descend, so that the ultrasonic transducer 23 enters the cleaning tank 1, and ultrasonically separates the battery pole fragments in the cleaning tank 1. Then, the ultrasonic translation drive 22 drives the ultrasonic transducer 23 to reciprocate in the cleaning tank 1, thereby increasing the sweep range of the ultrasonic transducer 23.

[0036] In this embodiment, the number of separation mechanisms 2 is 7, so that the materials in the 7 cleaning tanks 1 on the upper layer can be ultrasonically separated at the same time to improve the cleaning efficiency.

[0037] To improve the ultrasonic separation effect, please refer to Figure 1 and Figure 4 In a preferred embodiment, the separation mechanism 2 further includes an airflow stirring member 25, and the airflow stirring member 25 includes an air pipe 251, the air pipe 251 is fixed to the fixed end of the ultrasonic translation driving member 22, one end of the air pipe 251 is used to connect to the air source, and the other end of the air pipe 251 is used to insert downward into the cleaning tank 1, and by introducing the airflow into the water in the cleaning tank 1, the battery pole piece fragments in the cleaning tank 1 are fully mixed in the water, thereby improving the ultrasonic separation effect. Preferably, each of the airflow stirring members 25 includes two air pipes 251, the two air pipes 251 are respectively fixed to the two sides of the fixed end of the ultrasonic translation driving member 22, one end of the two air pipes 251 is used to connect to the air source, and the other end of the two air pipes 251 is used to insert downward into the cleaning tank 1, thereby improving the airflow stirring effect, and the battery pole piece fragments in the cleaning tank 1 are fully mixed in the water.

[0038] In order to realize the function of the water injection mechanism 4, please refer to Figure 1 and Figure 2 In a preferred embodiment, the water injection mechanism 4 includes a circulation pump 41 and a drain pipe 42, the inlet of the circulation pump 41 is connected to the recovery tank 3, the outlet of the circulation pump 41 is connected to the lower end of the drain pipe 42, and the upper end of the drain pipe 42 is used to communicate with the cleaning tank 1 located above.

[0039] To reuse water and reduce water consumption, please refer to Figure 1 and Figure 6 In a preferred embodiment, the ultrasonic separation device further comprises a filtering mechanism 6, the filtering mechanism 6 comprises an outer cylinder 61 and a filter cartridge 62, the bottom surface of the outer cylinder 61 is provided with a through hole 611 located above the recovery tank 3, the filter cartridge 62 is built in the outer cylinder 61, the filter cartridge 62 as a whole is composed of a filter screen with holes, and the upper end opening of the filter cartridge 62 is located below the discharge position of the conveyor 5. When in use, when each cleaning tank 1 is rotated to a position with the opening facing downward, the materials (including water, copper foil and carbon powder) in each cleaning tank 1 will flow downward into the filter cartridge 62, the solids (including copper foil and carbon powder) therein will be retained in the filter cartridge 62, the water will be filtered out and enter the outer cylinder 61, and then flow into the recovery tank 3 through the through hole 611, so that the water can be recycled and the water consumption can be reduced, and the solids in the filter cartridge 62 are subsequently dried by a dryer and screened to separate the copper foil and carbon powder.

[0040] To facilitate the installation of the outer cylinder 61, please refer to Figure 1 and Figure 6In a preferred embodiment, the filtering mechanism 6 further includes a plurality of supporting columns 63 , and the supporting columns 63 are fixed to the lower end of the outer cylinder 61 .

[0041] In order to better understand the present invention, the following Figure 1-Figure 6 The working process of the ultrasonic separation device provided by the utility model is described in detail: when in use, the battery pole piece is crushed to obtain battery pole piece fragments, and the battery pole piece fragments are loaded into the leftmost cleaning tank 1 of the upper layer, and the water in the recovery tank 3 is sucked into the cleaning tank 1 through the water injection mechanism 4. When the battery pole piece fragments and water in the leftmost cleaning tank 1 of the upper layer reach the set amount, the conveyor 5 drives each cleaning tank 1 to move clockwise, so that the cleaning tank 1 previously located on the leftmost side of the upper layer moves to the second station on the left side of the upper layer, and the cleaning tank 1 previously located on the leftmost side of the lower layer moves to the leftmost position of the upper layer, and then continue to add battery pole piece fragments and water to the leftmost cleaning tank 1 of the current upper layer in the same way, and repeat this cycle until all the cleaning tanks 1 on the upper layer are filled with battery pole piece fragments and water. Battery pole piece fragments and water are added, and then the separation mechanism 2 is placed in all the cleaning tanks 1 on each upper layer, and the battery pole piece fragments are ultrasonically separated to make the carbon powder coated on the surface of the copper foil in the battery pole piece fragments fall off. After that, the conveyor 5 continues to drive each cleaning tank 1 to move clockwise. When each cleaning tank 1 rotates to a station with an opening facing downward, the materials in each cleaning tank 1 (including water, copper foil and carbon powder) will flow downward into the filter cartridge 62, and the solids therein (including copper foil and carbon powder) will be retained in the filter cartridge 62. The water will be filtered out and enter the outer cylinder 61, and then flow into the recovery tank 3 through the through hole 611, so that water can be recycled and water consumption can be reduced. The solids in the filter cartridge 62 are subsequently dried by a dryer and screened to separate the copper foil and carbon powder.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. An ultrasonic separation device, characterized in that: It includes several cleaning tanks, separation mechanisms, recovery tanks and water injection mechanisms; The separation mechanism comprises an ultrasonic lifting drive member, an ultrasonic translation drive member, an ultrasonic rotation drive member and an ultrasonic transducer, wherein the ultrasonic lifting drive member is connected to the fixed end of the ultrasonic translation drive member, the movable end of the ultrasonic translation drive member is connected to the fixed end of the ultrasonic rotation drive member and is used to drive the fixed end of the ultrasonic rotation drive member to move along the length direction of the corresponding cleaning tank, the movable end of the ultrasonic rotation drive member is fixedly connected to the ultrasonic transducer and is used to drive the ultrasonic transducer to reciprocate, and the action range of the ultrasonic transducer can cover the width of the cleaning tank; The water injection mechanism is used to inject the clean water in the recovery tank into each of the cleaning tanks.

2. The ultrasonic separation device according to claim 1, characterized in that: It also includes a conveyor, which includes a conveying shell, a driving sprocket, a driven sprocket, a sprocket driving member, a chain and a plurality of fixed bars. The driving sprocket and the driven sprocket are both rotatably arranged on the conveying shell, the sprocket driving member is connected to the driving sprocket and is used to drive the driving sprocket to rotate, the chain is closed, and the two ends of the chain are respectively wound around the driving sprocket and the driven sprocket, each of the fixed bars is fixed on the chain, and each of the cleaning tanks is fixed on the fixed bars one by one.

3. The ultrasonic separation device according to claim 2, characterized in that: The number of the driving sprocket, the driven sprocket and the chain are all two. The conveyor also includes a driving shaft and a driven shaft. The driving shaft and the driven shaft are rotatably arranged on the conveying shell. The two driving sprockets are coaxially fixed to the two ends of the driving shaft, and the two driven sprockets are coaxially fixed to the two ends of the driven shaft. One end of the two chains is respectively wound around the two driving sprockets, and the other end of the two chains is respectively wound around the two driven sprockets, and the two ends of each of the fixing bars are respectively fixed to the two chains.

4. The ultrasonic separation device according to claim 2, characterized in that: The conveyor further comprises a conveying support, and the conveying shell is fixed to the conveying support.

5. The ultrasonic separation device according to claim 1, characterized in that: The separation mechanism also includes a top plate, the ultrasonic lifting drive member is connected to the top plate and is used to drive the top plate to move up and down, and the fixed end of the ultrasonic translation drive member is fixed to the top plate.

6. The ultrasonic separation device according to claim 5, characterized in that: The separation mechanism also includes an air flow stirring member, which includes an air pipe. The air pipe is fixed to the fixed end of the ultrasonic translation drive member, one end of the air pipe is used to connect to the air source, and the other end of the air pipe is used to be inserted downward into the cleaning tank.

7. The ultrasonic separation device according to claim 6, characterized in that: Each of the airflow stirring members includes two air pipes, which are respectively fixed on both sides of the fixed end of the ultrasonic translation drive member, one end of the two air pipes is used to connect to the air source, and the other end of the two air pipes is used to be inserted downward into the cleaning tank.

8. The ultrasonic separation device according to claim 1, characterized in that: The water injection mechanism includes a circulation pump and a drainage pipe, the inlet of the circulation pump is connected to the recovery tank, the outlet of the circulation pump is connected to the lower end of the drainage pipe, and the upper end of the drainage pipe is used to communicate with the cleaning tank.

9. The ultrasonic separation device according to claim 2, characterized in that: It also includes a filtering mechanism, which includes an outer cylinder and a filter cylinder. The bottom surface of the outer cylinder is provided with a through hole located above the recovery tank. The filter cylinder is built into the outer cylinder, and the upper end opening of the filter cylinder is located below the unloading point of the conveyor.

10. The ultrasonic separation device according to claim 9, characterized in that: The filtering mechanism further comprises a plurality of supporting columns, and the supporting columns are fixed to the lower end of the outer cylinder.

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