Movable waste lithium battery crushing and recycling device

Abstract

The utility model discloses a movable waste lithium battery crushing and recycling device which comprises a frame assembly, electrified crushing section equipment, a storage tank, nitrogen making equipment, tail gas treatment equipment and an electric control cabinet, the electrified crushing section equipment, the storage tank, the nitrogen making equipment and the tail gas treatment equipment are all fixed on the supporting base and are positioned in the protective cover; a small door is arranged at the left end of the shield; a large door is arranged on the shield close to the storage tank; the nitrogen generation equipment is arranged in the extension direction of the electrified crushing section equipment, and the electric control cabinet and the tail gas treatment equipment are arranged in parallel with the electrified crushing section equipment; the nitrogen making equipment is communicated with the electrified crushing section equipment and the storage tank through a nitrogen outlet pipeline, and the tail gas treatment equipment is communicated with the electrified crushing section equipment and the storage tank through a tail gas collection pipeline. According to the utility model, the waste lithium battery can be crushed and recycled on site, so that the flammable and explosive risk caused by long-term storage and long-distance transfer is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lithium battery recycling, and particularly relates to a movable waste lithium battery crushing and recycling device. BACKGROUND

[0002] With the development of the new energy automobile industry, the number of lithium batteries used is showing explosive growth, and a large number of waste lithium batteries will be retired in the foreseeable future. At present, the common way to treat waste lithium batteries on the market is to establish a complete battery crushing and processing production line. Due to the huge equipment investment, the number of complete production lines established nationwide is limited. At present, the retired batteries need to be collected in a large number and then transported to the location of the battery crushing and processing production line for subsequent processing. The disadvantage is that waste batteries have a great risk of being flammable and explosive during long-term storage and long-distance transportation. Therefore, special treatment needs to be carried out on the storage site and the transportation vehicle, which greatly increases the production cost, and even so, it cannot completely guarantee that no risk will occur. SUMMARY

[0003] The utility model wants to solve the problem of providing a movable waste lithium battery crushing and recycling device, which can crush and recycle waste lithium batteries on site, thereby avoiding the risk of flammable and explosive risk caused by long-term storage and long-distance transportation.

[0004] The utility model discloses a movable waste lithium battery crushing and recycling device, which comprises a frame assembly, a live crushing section device, a storage tank, a nitrogen making device, a tail gas treatment device and an electric control cabinet. The frame assembly comprises a support base at the lower part and a shield at the upper part. The live crushing section device, the storage tank, the nitrogen making device and the tail gas treatment device are all fixed on the support base and located inside the shield. A small door is provided at the left end of the shield, the feeding end of the live crushing section device is located beside the small door, the storage tank is located below the discharging end of the live crushing section device, a large door is provided near the storage tank of the shield, and the size of the large door is larger than that of the storage tank. The nitrogen making device is arranged in the extension direction of the live crushing section device, and the electric control cabinet and the tail gas treatment device are arranged in parallel with the live crushing section device. The nitrogen making device is communicated with the live crushing section device and the storage tank through a nitrogen gas outlet pipeline, and the tail gas treatment device is communicated with the live crushing section device and the storage tank through a tail gas collection pipeline.

[0005] Further, the support base bears and fixes all the devices, the shield protects all the devices, and the upper part of the frame assembly is provided with a lifting hook.

[0006] Further, the charged crushing section equipment comprises a feeding conveyor, a buffer bin, a shredder and a discharging conveyor; the feeding end of the feeding conveyor is located beside the small door at the left end of the shield, and the discharging end is connected with the upper end valve of the buffer bin; the lower end valve of the buffer bin is connected with the feeding port of the shredder, the discharging port of the shredder is connected with the feeding end of the discharging conveyor, and the lower end valve of the discharging end of the discharging conveyor is connected with the storage tank.

[0007] Further, the storage tank is placed below the discharging port of the discharging conveyor and is connected with the discharging port through a quick connecting piece.

[0008] Further, the nitrogen outlet main pipeline of the nitrogen generating equipment is connected with the buffer bin, the shredder, the discharging conveyor and the storage tank through a plurality of branch gas pipelines.

[0009] Further, the tail gas treatment equipment comprises a bag-type dust collector, an SDG adsorption box, an activated carbon adsorption box and a fan assembly; the buffer bin, the shredder, the discharging conveyor and the storage tank are connected with the air inlet of the bag-type dust collector through the tail gas main pipeline, the exhaust pipeline of the bag-type dust collector is connected with the air inlet of the SDG adsorption box, the exhaust pipeline of the SDG adsorption box is connected with the air inlet of the activated carbon adsorption box, and the exhaust pipeline of the activated carbon adsorption box is connected with the air inlet of the fan assembly.

[0010] The waste lithium battery crushing and recycling device can be hoisted to the collection place of the battery, realizes crushing and recycling of the waste lithium battery on site, and is transported in the case filled with nitrogen. Therefore, the utility model avoids the great risk of flammability and explosiveness of the waste battery in the process of long-term storage and long-distance transportation. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a front view of the utility model.

[0012] Figure 2 It is a front view of the utility model. Figure 1 It is a front view of the utility model.

[0013] Figure 3 It is a structure schematic view of the charged crushing section equipment in the utility model.

[0014] Figure 4 It is a work flow chart of the waste lithium battery crushing and recycling device in the utility model.

[0015] In the drawing: 1 frame assembly, 2 charged crushing section equipment, 3 storage tank, 4 nitrogen generating equipment, 5 tail gas treatment equipment, 6 electric control cabinet, 21 feeding conveyor, 22 buffer bin, 23 shredder, 24 discharging conveyor, 51 bag-type dust collector, 52 SDG adsorption box, 53 activated carbon adsorption box, 54 fan assembly. DETAILED DESCRIPTION

[0016] The utility model makes further detailed description in combination with the drawings below.

[0017] Embodiment 1

[0018] As Figure 1 、 Figure 2 The utility model discloses a movable waste lithium battery crushing and recycling device, it includes frame assembly 1, live crushing section equipment 2, storage tank 3, nitrogen making equipment 4, tail gas treatment equipment 5, electric control cabinet 6, frame assembly 1 includes the support base 11 of lower part, the upper portion of shield 12, live crushing section equipment 2, storage tank 3, nitrogen making equipment 4, tail gas treatment equipment 5 are all fixed on support base 11 and located the inside of shield 12, shield 12's left end is equipped with small door, live crushing section equipment 2's feed end is located small door side, storage tank 3 is located live crushing section equipment 2's discharge end below, shield 12 is close to the place of storage tank 3 and is equipped with gate, the size of gate is greater than the size of storage tank 3, nitrogen making equipment 4 is arranged in the extension direction of live crushing section equipment 2, electric control cabinet 6 and tail gas treatment equipment 5 are arranged in parallel with live crushing section equipment 2, nitrogen making equipment 4 is communicated with live crushing section equipment 2, storage tank 3 through nitrogen gas outlet pipeline, tail gas treatment equipment 5 is communicated with live crushing section equipment 2, storage tank 3 through tail gas collection pipeline.

[0019] The utility model discloses a waste lithium battery crushing and recycling device's working principle is: waste lithium battery passes through the small door of shield 12 and is put into the feed end of live crushing section equipment 2, live crushing section equipment 2 sends into storage tank 3 after waste lithium battery crushing, fills the full tank with the battery after storage tank 3 after crushing, opens the gate of shield 12 and takes out the full tank and is put into empty storage tank 3, then the full tank is transported to carry out further processing.

[0020] Wherein, support base bears and fixes all equipment, shield protects all equipment, the upper portion of frame assembly is equipped with lifting hook, can realize the whole machine hoisting and moves, in addition, when crushing waste lithium battery, nitrogen is filled in the inside of live crushing section equipment 2 and storage tank 3 and prevents the occurrence of combustion explosion.

[0021] The utility model discloses a waste lithium battery crushing and recycling device's advantage is: one, live crushing section equipment, storage tank, nitrogen making equipment are set up in a extension line, electric control cabinet, tail gas treatment equipment are set up in another extension line, and the parallel arrangement of both, the volume is smaller, therefore, crushing and recycling device can be moved to the place where waste lithium battery needs to be crushed through hoisting and move conveniently, realizes the crushing and recycling of waste lithium battery in situ, two, the waste lithium battery handled is transported through storage tank, and there is nitrogen in storage tank and protects.

[0022] Embodiment 2

[0023] As Figure 1 , Figure 2 , Figure 3 The utility model waste lithium battery crushing recycling device: the electric crushing section equipment 2 includes the feeding conveyor 21, the buffer storehouse 22, the shredder 23, the discharge conveyor 24, the feeding end of feeding conveyor 21 is located in the small door left end of the shield 12, the discharge end is connected with the upper end valve of buffer storehouse 22, the lower end valve of buffer storehouse 22 is connected with the feeding port of shredder 23, the discharge port of shredder 23 is connected with the feeding end of discharge conveyor 24, and the discharge end valve of discharge conveyor 24 is connected with the storage tank 3 below.

[0024] The function of electric crushing section equipment 2 is to receive waste lithium batteries and crush them: waste lithium batteries are put into the feeding conveyor 21 through the small door, the feeding conveyor 21 transports the waste lithium batteries into the buffer storehouse 22, the waste lithium batteries in the buffer storehouse 22 are crushed in the shredder 23, and the crushed batteries are transported into the storage tank 3 through the discharge conveyor 24.

[0025] Among them, the storage tank 3 is placed below the discharge port of the discharge conveyor 24 and is connected with the discharge port through a quick connector. In this way, when the storage tank 3 is full of crushed lithium batteries and needs to be replaced manually, the quick connector can quickly connect or separate the storage tank 3 and the discharge port of the discharge conveyor 24.

[0026] Example 3

[0027] As Figure 1 , Figure 2 , Figure 3 The utility model waste lithium battery crushing recycling device: the nitrogen gas outlet main pipeline of nitrogen making equipment 4 is connected with the buffer storehouse 22, the shredder 23, the discharge conveyor 24, and the storage tank 3 through multiple branch gas pipelines.

[0028] The function of nitrogen making equipment 4 is to make nitrogen gas to supply the crushing section equipment and the storage tank, so that the crushed electric lithium batteries are always in a low-oxygen state (about 3% or less) and will not catch fire, burn, or explode.

[0029] Example 4

[0030] As Figure 1 , Figure 2 , Figure 3As shown, the utility model waste lithium battery crushing recycling device: tail gas treatment equipment 5 includes cloth bag dust catcher 51, SDG adsorption box 52, activated carbon adsorption box 53, fan assembly 54;Buffer bin 22, shredder 23, discharge conveyor 24, the various branch tail gas discharge pipelines of storage tank 3 are communicated cloth bag dust catcher 51's air inlet through tail gas main pipeline, cloth bag dust catcher 51's exhaust duct communicates SDG adsorption box 52's air inlet, SDG adsorption box 52's exhaust duct communicates activated carbon adsorption box 53's air inlet, activated carbon adsorption box 53's exhaust duct communicates fan assembly 54's air inlet.

[0031] The function of tail gas treatment equipment 5 is to recycle a certain amount of volatile gas, positive and negative electrode dust, metal particulate matter and the like generated in the battery crushing process to achieve standard emission: fan assembly 54 generates negative pressure by impeller rotation, its air inlet is used to extract tail gas in the tail gas pipeline in buffer bin 22, shredder 23, discharge conveyor 24 and storage tank 3 to collect after convergence first through pipeline into cloth bag dust catcher 51 to collect positive and negative electrode dust, metal particulate matter, then into SDG adsorption box 52 through SDG adsorbent to adsorb acidic gas and fluoride in tail gas, then into activated carbon adsorption box 53 through activated carbon to adsorb VOCs component in waste gas on the surface of activated carbon to separate it from tail gas, finally, tail gas reaching emission standard is discharged through the air outlet of fan assembly 54.

[0032] As Figure 4The working process of the waste lithium battery crushing and recycling device is shown as follows: I. Open the side door of the protective cover 11, place an empty storage tank 3 below the discharge port of the discharge conveyor 24 by operating the forklift, manually connect the quick connection interface of the storage tank 3 and the discharge port of the discharge conveyor 24, connect the nitrogen pipeline and the tail gas pipeline, fill nitrogen into the empty storage tank 3, the buffer warehouse 22, the shredder 23 and the discharge conveyor 24, and reduce the oxygen content to a low concentration (about 3% or less). At this time, the upper and lower valves of the buffer warehouse 22 are closed; II. Open the small door of the protective cover 11 manually, and place the waste lithium battery on the feeding end of the feeding conveyor 21. After the waste lithium battery is transported to the upper end of the buffer warehouse 22 by the feeding conveyor 21, the upper end valve of the buffer warehouse 22 is opened. After the waste lithium battery falls into the buffer warehouse 22, the upper end valve of the buffer warehouse 22 is closed to form a space. At this time, the lower end valve of the buffer warehouse 22 is opened, and the waste lithium battery falls into the shredder 23 to crush the battery; the crushed lithium battery material is sent out by the discharge conveyor 24 and falls into the storage tank 3 for storage, and the storage tank 3 is continuously filled with nitrogen for protection; III. When the storage tank 3 is filled with battery fragments, the outlet valve of the discharge conveyor 24 is closed, and the whole device stops working; IV. Manually disconnect the quick connection of the storage tank 3 and the discharge conveyor 24, seal the storage tank 3, and disconnect the connection between the storage tank 3 and the nitrogen gas pipe and the tail gas pipe. The forklift transports the sealed storage tank to the warehouse, places the empty storage tank 3 below the outlet of the discharge conveyor 24, manually connects the quick connection of the storage tank 3 and the discharge conveyor 24, connects the storage tank 3 and the nitrogen gas pipe and the tail gas pipe, and continues to collect the crushed material, which is recycled in this way; V. While crushing the lithium battery, the tail gas treatment equipment 5 collects the positive and negative electrode dust and metal particles in the tail gas generated during the battery crushing and recycling process, adsorbs the acid gas and fluorides, and adsorbs the VOCs components, so that the tail gas meeting the emission standard is discharged. During the process of the battery entering the buffer warehouse 22, the battery being crushed by the shredder 23 and the battery being transported by the discharge conveyor 24, the buffer warehouse, the shredder and the discharge conveyor are continuously filled with nitrogen, and the storage tank 3 is also continuously filled with nitrogen, so that the oxygen content in each device is maintained at a low concentration (about 3% or less), so as to avoid fire, burning and explosion.

[0033] The utility model waste old lithium battery crushing recycling device's advantage is: one, through inside's electrified crushing section equipment, storage tank, nitrogen making equipment, tail gas treatment equipment carries out crushing recycling to waste old battery, wherein, nitrogen avoids the combustion explosion of recycling process, guarantees the security of recycling process, tail gas treatment equipment carries out the treatment qualified to the tail gas in recycling process and discharges again, has reached the environmental protection requirement, two, electrified crushing section equipment, storage tank, nitrogen making equipment set up in a extension line, electric control cabinet, tail gas treatment equipment set up in another extension line, both parallel arrangement, the volume is smaller, therefore, crushing recycling device can be moved to the place that needs to crush waste old lithium battery through hoisting conveniently, realizes the on -the -spot crushing and recycling of waste old lithium battery, three, the waste old battery after processing is transported through the storage tank, the storage tank has nitrogen protection, prevents the combustion explosion.

[0034] In conclusion, the utility model waste old lithium battery crushing recycling device hoists the whole machine to the collection place of battery, realizes on -the -spot crushing and recycling to waste old lithium battery, and full tank is transported under the condition that is filled with nitrogen. Therefore, the utility model avoids the huge risk of flammable and explosive of waste old battery in the process of long -term storage and long -distance transportation.

Claims

1. A mobile waste lithium battery crushing and recycling device, characterized in that: It includes a frame assembly (1), an electrified crushing section (2), a storage tank (3), a nitrogen generator (4), a tail gas treatment device (5), and an electrical control cabinet (6); the frame assembly (1) includes a lower support base (11) and an upper protective cover (12); the electrified crushing section (2), the storage tank (3), the nitrogen generator (4), and the tail gas treatment device (5) are all fixed on the support base (11) and located inside the protective cover (12); a small door is opened at the left end of the protective cover (12), the feed end of the electrified crushing section (2) is located next to the small door, and the storage tank (3) is located at... Below the discharge end of the energized crushing section equipment (2), a large door is provided on the protective cover (12) near the storage tank (3), and the size of the door is larger than that of the storage tank (3); the nitrogen generator (4) is arranged in the extension direction of the energized crushing section equipment (2), and the electrical control cabinet (6) and the tail gas treatment equipment (5) are arranged parallel to the energized crushing section equipment (2); the nitrogen generator (4) is connected to the energized crushing section equipment (2) and the storage tank (3) through the nitrogen gas outlet pipe, and the tail gas treatment equipment (5) is connected to the energized crushing section equipment (2) and the storage tank (3) through the tail gas collection pipe.

2. The waste lithium battery crushing and recycling device according to claim 1, characterized in that: The support base (11) supports and fixes all equipment, the cover (12) protects all equipment, and the upper part of the frame assembly (1) is provided with hooks.

3. The waste lithium battery crushing and recycling device according to claim 1, characterized in that: The live crushing section equipment (2) includes a feeding conveyor (21), a buffer bin (22), a shredder (23), and a discharge conveyor (24). The feeding end of the feeding conveyor (21) is located next to the small door on the left side of the protective cover (12), and the discharge end is connected to the upper valve of the buffer bin (22). The lower valve of the buffer bin (22) is connected to the feed port of the shredder (23), the discharge port of the shredder (23) is connected to the feed end of the discharge conveyor (24), and the lower part of the discharge end valve of the discharge conveyor (24) is connected to the storage tank (3).

4. The waste lithium battery crushing and recycling device according to claim 3, characterized in that: The storage tank (3) is placed below the discharge port of the discharge conveyor (24) and connected to the discharge port via a quick-connect fitting.

5. The waste lithium battery crushing and recycling device according to claim 3, characterized in that: The nitrogen outlet main pipeline of the nitrogen generator (4) has multiple branch outlet pipelines connected to the buffer bin (22), shredder (23), discharge conveyor (24), and storage tank (3), respectively.

6. The waste lithium battery crushing and recycling device according to claim 3, characterized in that: The exhaust gas treatment equipment (5) includes a bag filter (51), an SDG adsorption box (52), an activated carbon adsorption box (53), and a fan assembly (54); the exhaust gas discharge pipes of each branch of the buffer bin (22), shredder (23), discharge conveyor (24), and storage tank (3) are connected to the air inlet of the bag filter (51) via the exhaust gas main pipe, the exhaust pipe of the bag filter (51) is connected to the air inlet of the SDG adsorption box (52), the exhaust pipe of the SDG adsorption box (52) is connected to the air inlet of the activated carbon adsorption box (53), and the exhaust pipe of the activated carbon adsorption box (53) is connected to the air inlet of the fan assembly (54).

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