CN207628567U - Classify after waste lithium ion is broken retracting device - Google Patents

Abstract

The utility model relates to a sorting and recycling device for waste lithium-ion batteries after crushing. The sorting chamber is placed obliquely and arranged on a support. A sieve plate is provided, and the number of the sieve plates is at least one. Inside the sorting chamber, the compartments separated by the sieve plates are respectively connected to the outlet; It realizes the effective combination of wind sorting and screening sorting, simplifies the complexity of equipment, and realizes simple and effective sorting. Make full use of the differences in crushing properties of different components of lithium-ion batteries to realize the classification and recycling of components with different particle sizes. It belongs to the physical separation method, does not involve chemicals, and does not have waste water treatment and secondary pollution problems. The utility model combines and integrates wind sorting and screening, has simple process and high efficiency.

Description

Sorting and recycling device for waste lithium-ion batteries after crushing

technical field

The utility model relates to the field of sorting and recycling devices, in particular to a sorting and recycling device for waste lithium-ion batteries after crushing, which is combined and integrated by wind power sorting and screening, has a simple process and high efficiency.

Background technique

Wind separation method and sieving separation method, as dry separation methods, have effectively overcome the problems of dehydration of flotation products and wastewater treatment, and have been widely used in the separation of coal and minerals. The technology is relatively mature, but in electronic There are few applications in the field of waste, especially in the field of waste lithium battery treatment.

During the crushing process of waste lithium batteries, due to the different mechanical properties of the various components of the lithium battery, the metal shell protects the battery, so it has high mechanical strength and a large particle size after crushing; the diaphragm has strong toughness , it is difficult to finely crush it during the crushing process, so the diaphragm also has a larger particle size; both copper foil and aluminum foil are thinner sheets, and it is easy to form agglomerated pellets smaller than the shell and the diaphragm during the crushing process; cobalt acid Lithium and graphite are bonded on the aluminum foil and copper foil through PVDF, which are fine particles, so after crushing, a finer mixed powder of lithium cobaltate and graphite is obtained.

In the prior art, there is a need for a sorting and recycling device for waste lithium-ion batteries after crushing, which combines wind separation and screening, is integrated, has a simple process, and has high efficiency.

Utility model content

The purpose of the utility model is to provide a sorting and recycling device for waste lithium ion batteries after crushing, which is combined and integrated by wind power sorting and screening, has a simple process and high efficiency.

Sorting and recycling devices for waste lithium-ion batteries after crushing, including:

Sorting chamber, the sorting chamber is placed obliquely and set on the support, the high end is provided with a feed inlet, and the bottom end is connected with a pneumatic pumping diaphragm device. The said sorting chamber is equipped with a vibration device and a sieve plate inside. The quantity of the sieve plate is at least one, and inside the sorting chamber, the interlayer separated by the sieve plate is respectively connected to the discharge port;

The air pressure diaphragm pumping device and the lower part of the uppermost sieve plate are provided with a partition plate.

The sieve plate is provided with a rotating brush.

The air pressure suction diaphragm device is a negative pressure suction device, or a blowing device.

The air pressure pumping diaphragm device comprises an air guide chamber, a blower fan, a dust collector and an air pressure suction port. The air port is connected to a dust collector that collects and draws out the diaphragm, and the dust collector is connected to a fan.

The dust remover is fixed on the dust remover bracket.

There are two sieve plates, from top to bottom, a large-hole sieve plate and a small-hole sieve plate. The large-hole sieve plate, small-hole sieve plate and the bottom plate at the bottom of the sorting chamber divide the sorting chamber into three parts. The interlayer composed of the small-hole sieve plate and the bottom plate is connected to the outlet of the fine-grained material, and the interlayer composed of the large-pore sieve plate and the small-hole sieve plate is connected to the outlet of the medium-sized material. Conduction, the interlayer composed of the large-pore sieve plate and the upper part of the sorting chamber is connected to the discharge port of the large-grained material.

A fine-grained material collecting tank is arranged below the fine-grained material discharge port, a medium-grained material collecting tank is provided below the medium-grained material discharge port, and a large-grained material collecting tank is provided below the large-grained material discharge port. Material collection trough.

The air pressure suction port is arranged above the large-pore sieve plate, and the opening direction of the large-grained material discharge port is the same as the longitudinal direction of the sorting chamber, and is close to the air pressure suction port. There is a rotating brush in between.

An elastic support is provided between the support and the sorting chamber.

The elastic support is an elastic two-section connecting rod.

The sorting chamber of the utility model is placed obliquely and arranged on the support. The high end is provided with a feed port, and the bottom end is connected with an air pressure pumping diaphragm device. One, inside the sorting chamber, the compartments separated by the sieve plates are respectively connected to the discharge ports; the air pressure diaphragm device and the lower part of the uppermost sieve plate are provided with a partition plate. It realizes the effective combination of wind sorting and screening sorting, simplifies the complexity of equipment, and realizes simple and effective sorting. Make full use of the differences in crushing properties of different components of lithium-ion batteries to realize the classification and recycling of components with different particle sizes. It belongs to the physical separation method, does not involve chemicals, and does not have waste water treatment and secondary pollution problems. The utility model combines and integrates wind sorting and screening, has simple process and high efficiency.

Description of drawings

Fig. 1 is the structural representation of the utility model;

In the figure: 1. Sorting chamber, 2. Feed inlet, 3. Large-hole sieve plate, 4. Small-hole sieve plate, 5. Bottom plate, 6. Elastic support, 7. Support, 8. Fine-grained material outlet Feed port, 9, fine-grained material collection tank, 10, medium-sized material collection tank, 11, medium-sized material discharge port, 12, air guide chamber, 13, large-sized material collection tank, 14, Large-grain material discharge port, 15, dust collector bracket, 16, fan, 17, dust collector, 18, air pressure suction port, 19, partition, 20, rotating brush, 21, vibration device.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.

Example 1:

The sorting and recycling device for waste lithium-ion batteries after crushing includes: sorting chamber 1, which is placed obliquely and set on the support 7, with a feeding port 2 at the high end, and a pneumatic diaphragm device connected to the bottom end, and sorting chamber 1 There is a vibrating device 21 on the top, and there is a sieve plate inside. The number of sieve plates is at least one. Inside the sorting chamber 1, the compartments separated by the sieve plates are respectively connected to the discharge port; A partition 19 is provided.

A rotating brush 20 is arranged on the sieve plate. The air pressure suction diaphragm device is a negative pressure suction device, or a blower device. The air pressure pumping diaphragm device comprises an air guide chamber 12, a blower fan 16, a dust collector 17 and an air pressure suction port 18, and the air pressure air suction port 18 is arranged on the top of the sorting chamber 1, and the air guide chamber 12 is arranged on the bottom of the sorting chamber 1, and the air pressure suction The air port 18 is connected to the dust collector 17 for collecting and extracting the diaphragm, and the dust collector 17 is connected to the fan 16 . The dust remover 17 is fixed on the dust remover support 15 .

There are two sieve plates, from top to bottom are the large-hole sieve plate 3 and the small-hole sieve plate 4, the large-hole sieve plate 3, the small-hole sieve plate 4 and the bottom plate 5 at the bottom of the sorting chamber 1, and the sorting chamber 1 is divided into three interlayers, the interlayer composed of the small-hole sieve plate 4 and the bottom plate 5 is connected to the outlet 8 of the fine-grained material, and the interlayer composed of the large-pore sieve plate 3 and the small-hole sieve plate 4 is connected to the medium-grained material The material discharge port 11 is connected, and the interlayer composed of the large-pore sieve plate 3 and the upper part of the sorting chamber 1 is connected to the large-grained material discharge port 14 . A fine-grained material collecting tank 9 is arranged below the fine-grained material discharge port 8, a medium-grained material collecting tank 10 is provided below the medium-grained material discharge port 11, and a large-grained material is provided below the large-grained material discharge port 14. Collecting tank 13. The air pressure suction port 18 is set above the large-pore sieve plate 3, the opening direction of the large-grained material discharge port 14 is the same as the longitudinal direction of the sorting chamber 1, and is close to the air pressure suction port 18, the large-pore sieve plate 3 and the small-hole sieve plate 4 Rotating hair brushes 20 are provided therebetween.

An elastic support 6 is provided between the support 7 and the sorting chamber 1 . The elastic support 6 is an elastic two-section connecting rod.

The crushed lithium-ion battery mixture is fed from the feed port 2 and falls on the large-hole sieve plate 3. Under the action of mechanical vibration, materials such as copper foil, aluminum foil, lithium cobalt oxide and graphite with smaller particle size fall into the sieve hole. Smaller small hole sieve plate 4, lithium cobaltate and graphite with the smallest particle size directly fall to the bottom plate 5 at the bottom of the sorting chamber 1 through the small hole sieve plate 4, and the small hole sieve plate 4 is equipped with a rotating brush 20 to remove Graphite and lithium cobalt oxide attached to copper foil and aluminum foil are brushed off. Materials that do not pass through the sieve continue to slide forward under the action of mechanical vibration and gravity, and are finally classified and collected. The diaphragm located on the large-pore sieve plate 3 is sucked into the dust collector 17 under the action of air pressure to achieve the purpose of separation. In the end, large-grain plastics and shells, medium-grain aluminum foil and copper foil, and small-grain lithium cobalt oxide and graphite were obtained in different collecting tanks, which is convenient for subsequent sorting.

The utility model includes a sorting chamber 1, a feed port 2, a large-hole sieve plate 3, a small-hole sieve plate 4, a bottom plate 5, an elastic support 6, a support 7, a fine-grained material discharge port 8, and a fine-grained material Collection tank 9, collection tank 10 for medium-sized materials, outlet 11 for medium-sized materials, air guide chamber 12, collection tank 13 for large-sized materials, outlet 14 for large-sized materials, dust collector bracket 15, fan 16. Dust collector 17, air pressure suction port 18, partition 19, rotating brush 20, vibrating device 21. The sorting chamber 1 is fixed on the support 7 through the elastic support 6, and the mechanical vibration force is provided by the vibrating device 21 to make the material vibrate along the inclined sieve plate to achieve the purpose of screening; A rotating brush 20 is arranged between them to clean the copper foil and aluminum foil when they move on the small-hole sieve plate, so that the lithium cobaltate and graphite attached to the surface fall off through the small-hole sieve plate and fall to the bottom plate of the sorting chamber . When the large particle shell and diaphragm move to the air pressure outlet 18, the air pressure is provided by the fan 16 to make the air flow pass through the air guide chamber 12 and enter the sorting chamber 1, and the diaphragm is taken away into the dust collector 17 for collection, and other large particle grade materials fall into the large particle size Grade material collecting tank 13 is collected. Materials of different particle sizes slide down along the slope under the action of vibration, and finally fall into the corresponding material collection device through their respective discharge ports to complete the sorting and material collection.

Sorting chamber 1 is composed of feed inlet 2, large-hole sieve plate 3, small-hole sieve plate 4, bottom plate 5, elastic support 6, support 7, fine-grained material outlet 8, medium-grained material outlet 11. It consists of a discharge port 14 for large-grained materials, and the vibration intensity of the sorting chamber 1 can be controlled by adjusting the vibration frequency of the vibration device 21 . An inclined partition 19 is arranged between the air guide chamber 12 and the medium-sized discharge port 11, which can prevent the copper foil and aluminum foil from moving disorderly under the action of wind. The rotating brush 20 is arranged between the large-hole sieve plate 3 and the small-hole sieve plate 4, and the rotating speed is adjustable to realize the cleaning of graphite and lithium cobalt oxide attached to the copper foil and aluminum foil. One end of the dust collector 17 is connected to the air pressure suction port 18, and the other end is connected to the fan 16. According to the actual situation of the material, the speed of the fan is adjusted by the frequency converter to adjust the wind force.

The sorting chamber 1 is provided with a feed inlet 2, a large-pore sieve plate 3, a small-pore sieve plate 4, a bottom plate 5, a fine-grained material discharge port 8, a medium-grained material discharge port 11, and a large-grained material discharge port. Port 14, the sorting chamber connected to the fixed bracket through elastic support is in a state of mechanical vibration under the action of the vibration device 21, the mixed material after the crushed lithium battery is fed into the sorting chamber through the feed port 2, and the large-grained shell and diaphragm become The overhang of the large-hole sieve moves downward under the action of mechanical vibration, and is sucked away by the diaphragm at 18 places of the air pressure suction port and enters the dust collector for collection; the copper foil and aluminum foil become the oversize of the small-hole sieve, which moves downward along the sieve plate The middle rotating brush 20 cleans the copper foil and aluminum foil. The graphite and lithium cobalt oxide attached to the copper foil and aluminum foil fall off; collection trough for collection.

Compared with the prior art, the utility model has the following advantages:

(1) The effective combination of wind separation and screening separation is realized, the complexity of equipment is simplified, and simple and effective separation is realized.

(2) Make full use of the difference in crushing properties of different components of lithium-ion batteries to realize the classification and recycling of components with different particle sizes.

(3) The utility model belongs to the physical separation method, does not involve chemicals, and does not have waste water treatment and secondary pollution problems.

The utility model combines wind sorting and screening sorting, integrated sorting, the sorting process is simple, the sorting efficiency is high, and the rotating brush on the sieve plate will crush the electrode materials still attached to the copper foil and aluminum foil. brush down.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. The utility model does not depart from the spirit and scope of the utility model There will also be various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (10)

1. Retracting device of classifying after 1. waste lithium ion is broken, which is characterized in that including：

   Separation chamber, separation chamber's slant setting are arranged on bearing, high-end setting feed inlet, and bottom end connects air pressure and takes out diaphragm Device, the separation chamber are equipped with vibrating device, are internally provided with sieve plate, the quantity of the sieve plate is at least one, the sorting Chamber interior, the interlayer that sieve plate separates are separately connected discharge port；

   The air pressure takes out diaphragm apparatus and is equipped with partition board with top layer's sieve plate lower part.
2. Retracting device of classifying after 2. waste lithium ion according to claim 1 is broken, which is characterized in that the sieve plate It is equipped with rotating brushes.
3. Retracting device of classifying after 3. waste lithium ion according to claim 1 or 2 is broken, which is characterized in that described It is negative suction system or blowing device that diaphragm apparatus is taken out in air pressure.
4. Retracting device of classifying after 4. waste lithium ion according to claim 1 or 2 is broken, which is characterized in that described It includes air guiding chamber, wind turbine, deduster and air pressure bleeding point that diaphragm apparatus is taken out in air pressure, and the air pressure bleeding point is arranged in separation chamber Top, the air guiding chamber are arranged in the lower part of separation chamber, and the deduster of extraction diaphragm is collected in the air pressure bleeding point connection, described Deduster connects wind turbine.
5. Retracting device of classifying after 5. waste lithium ion according to claim 4 is broken, which is characterized in that the dedusting Device is fixed on deduster holder.
6. Retracting device of classifying after 6. waste lithium ion according to claim 1 or 2 is broken, which is characterized in that described There are two sieve plate is set, it is followed successively by macroporous plate and aperture sieve plate, the macroporous plate, aperture sieve plate and separation chamber bottom from top to bottom Separation chamber is divided into three interlayers, the interlayer and fine particle stage material discharge port of the aperture sieve plate and bottom plate composition by the bottom plate in portion Conducting, the macroporous plate and aperture sieve plate composition interlayer be connected with middle grade material discharge port, the macroporous plate and divide The interlayer that the top of room forms is selected to be connected with big grade material discharge port.
7. Retracting device of classifying after 7. waste lithium ion according to claim 6 is broken, which is characterized in that the particulate Fine particle stage material material collecting tank, grade material collection in being arranged below the middle grade material discharge port are set below grade material discharge port Big grade material material collecting tank is arranged in hopper, the big grade material discharge port lower section.
8. Retracting device of classifying after 8. waste lithium ion according to claim 6 is broken, which is characterized in that the macropore Air pressure bleeding point is arranged in the top of sieve plate, and the big grade material discharge port opening direction is identical as the longitudinal direction of separation chamber, and leans on Nearly air pressure bleeding point.
9. Retracting device of classifying after 9. waste lithium ion according to claim 1 or 2 is broken, which is characterized in that described Elastic bearing is equipped between bearing and separation chamber.
10. Retracting device of classifying after 10. waste lithium ion according to claim 9 is broken, which is characterized in that the bullet Property bearing be it is flexible two save connecting rod.