CN215878261U - Dry type electrified crushing system for waste lithium ion battery - Google Patents

Abstract

The utility model discloses a dry type charged crushing system for waste lithium ion batteries, which comprises a material conveying assembly, a crusher, a mixer and a sorting device, wherein the material conveying assembly is connected with the feeding end of the crusher and used for conveying waste batteries and solid media into the crusher, the discharging end of the crusher is connected with the mixer and used for overturning and mixing the waste batteries and the solid media, the discharging end of the mixer is connected with the sorting device, and the sorting device is used for separating the waste batteries from the solid media and discharging the waste batteries and the solid media. The utility model realizes safe crushing by using the solid medium mixed battery crushing material and isolating, cooling and suffocating the material in the battery crushing process.

Description

Dry type electrified crushing system for waste lithium ion battery

Technical Field

The utility model relates to the technical field of waste lithium battery crushing, in particular to a dry type live crushing system for waste lithium batteries.

Background

The most reported lithium battery crushing technology at present mainly injects inert gas to crush underwater or directly crush; the method is widely used in the existing industrial production, but has some major problems such as: the injected inert gas can not cool or isolate the heated battery materials although isolating air, and can not completely realize safe crushing; although the underwater crushing can realize safe crushing, the electrolyte leaks into water, and a large amount of organic wastewater is generated to pollute the environment and is difficult to treat; direct crushing is more prone to fire and explosion and has a high safety risk.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a dry type charged crushing system for waste lithium ion batteries.

The dry type charged crushing system for the waste lithium ion batteries comprises a material conveying assembly, a crusher, a mixer and a sorting device, wherein the material conveying assembly is connected with the feeding end of the crusher and is used for conveying the waste lithium ion batteries and solid media into the crusher; the discharge end of the crusher is connected with the mixer; the mixer is used for mixing the waste batteries and the solid media in a turning mode, and the discharge end of the mixer is connected with the sorting device; the mixer comprises a roller, a plurality of triangular inner lining plates and a driving device for driving the roller to rotate, wherein the inner lining plates are arranged at intervals along the inner wall of the roller; the sorting device is used for separating the waste batteries from the solid medium and discharging the waste batteries.

The dry type charged crushing system for the waste lithium ion batteries provided by the embodiment of the utility model at least has the following technical effects: make old and useless battery and solid medium mix and get into the breaker and make old and useless battery and solid medium upset mix in the blender mixer, such structure is so that the solid medium is as the intermediary, two battery materials of interval, cut apart into a plurality of little heat transfer that prevent between the battery material with a big heat release system, and the heat cooling battery material that releases when the solid medium can absorb broken short circuit avoids the battery material to overheat and catch fire, and the blender mixer function upset mixes, in order can put out the naked light that the battery burning produced through the mixed solid medium of upset, avoid the battery material to contact air oxidation burning.

According to some embodiments of the utility model, the feeding assembly comprises a feeding hopper, a battery conveyer belt and a bin, wherein a discharging end of the feeding hopper is connected with the crusher, a discharging end of the battery conveyer belt is located above the feeding hopper, the bin is arranged above the feeding hopper, and the bin stores the solid medium.

According to some embodiments of the utility model, the sorting device is a spiral classifier placed in an inclined manner, the spiral classifier comprises a groove body, a spiral body and a power device, the bottom of the groove body is provided with a feeding hole and a discharging hole, the spiral body is rotatably arranged in the groove body, the power device is used for driving the spiral body to rotate, and a certain gap is formed between the outer surface of the spiral body and the inner wall of the groove body.

According to some embodiments of the utility model, the tank body is jacketed with a water-cooled jacket.

According to some embodiments of the utility model, the device further comprises a medium conveying belt, and two ends of the medium conveying belt are respectively connected with the storage bin and the discharge port.

According to some embodiments of the utility model, the crusher is a shredder, a hammer crusher or a pair of roll crushers.

According to some embodiments of the utility model, the water-cooled jacket is "U" shaped.

According to some embodiments of the utility model, the sorting device is mounted to one side of the mixer, and the feed hopper is located above the mixer.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a front view of a dry charged crushing system for spent lithium ion batteries according to an embodiment of the present invention;

FIG. 2 is a top view of the dry charged crushing system for spent lithium ion batteries shown in FIG. 1;

FIG. 3 is a top view of the spiral classifier;

FIG. 4 is a side view of a spiral classifier;

FIG. 5 is a schematic view of the drum with an inner lining.

Reference numerals: the device comprises a material conveying component 100, a feed hopper 110, a battery conveyer belt 120, a storage bin 130, a crusher 200, a mixer 300, a roller 310, an inner lining plate 320, a driving device 330, a sorting device 400, a groove body 410, a feed inlet 411, a discharge outlet 412, a gap 413, a water cooling jacket 414, a spiral body 420, a power device 430 and a medium conveyer belt 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, a plurality of the terms means one or more, a plurality of the terms means two or more, and the terms larger, smaller, larger, and the like are understood as excluding the present numbers, and the terms larger, smaller, and the like are understood as including the present numbers. It should be understood that the orientation or positional relationship referred to in the description of the orientation, such as up, down, front, rear, left, right, and middle, is based on the orientation or positional relationship shown in the drawings. This is done solely for the purpose of facilitating the description of the utility model and simplifying the description without indicating or implying that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation and therefore should not be construed as limiting the utility model.

In the description of the present invention, unless otherwise specifically limited, installation and connection terms should be construed broadly, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in consideration of the technical details.

Referring to fig. 1 and 2, the dry charged crushing system for waste lithium ion batteries according to the embodiment of the utility model comprises a material conveying assembly 100, a crusher 200, a mixer 300 and a sorting device 400, wherein the material conveying assembly 100 is connected with a feeding end of the crusher 200, the material conveying assembly 100 is used for conveying waste batteries and solid media into the crusher 200, a discharging end of the crusher 200 is connected with the mixer 300, the mixer 300 is used for turning and mixing the waste batteries and the solid media, a discharging end of the mixer 300 is connected with the sorting device 400, and the sorting device 400 is used for separating the waste batteries from the solid media and discharging the waste batteries and the solid media.

When the device works, a worker places the waste battery and the solid medium on the material conveying assembly 100, the material conveying assembly 100 conveys the waste battery and the solid medium to the crusher 200, the crusher 200 shreds the waste battery into blocks, the shredded battery fragments are mixed with the solid medium and enter the mixer 300, the battery material and the solid medium are overturned and mixed through the overturning of the mixer 300, open fire generated by the combustion of the battery is extinguished through overturning, meanwhile, the crushed battery is cooled, and the mixed medium can separate and separate the battery material to prevent heat transfer among the battery materials; finally the cell material is separated from the solid media at the outlet of the mixing device by a sorting device 400. Specifically, the conveying assembly 100 synchronously conveys the waste batteries and the solid media into the crusher 200; the crusher 200 is a shredder, a hammer crusher or a roll crusher; the waste battery can be a power battery monomer, a cylindrical battery, a soft package battery and the like; the solid medium is non-metallic solid particles without heat, such as quartz sand, coal slag, crushed stone and the like; the granularity of the solid medium is 5-8 meshes, and the granularity of the medium is between that of the battery material and black powder, so that the battery material can be conveniently crushed and then screened; the volume ratio of the battery material to the medium is about 1:3, and the medium is preferably capable of completely covering the battery material. The waste battery and the solid medium are mixed together to enter the crusher 200, so as to be premixed, block heat transfer, the waste battery and the solid medium are turned and mixed in the mixer 300, so as to be deeply mixed, a large heat release system is divided into a plurality of small heat transfer prevention battery materials, open fire generated by battery combustion is extinguished through turning and mixing the solid medium, the battery materials are prevented from being in contact with air for oxidation combustion, meanwhile, the solid medium absorbs the heat released during crushing short circuit to cool the battery materials, the battery materials are prevented from being overheated and ignited, the crusher is safe and environment-friendly, and zero discharge of waste water can be realized.

In some embodiments of the present invention, as shown in fig. 1, the feeding assembly 100 includes a feeding hopper 110, a battery conveyer belt 120 and a bin 130, wherein a discharge end of the feeding hopper 110 is connected to the crusher 200, a discharge end of the battery conveyer belt 120 is located above the feeding hopper 110, the bin 130 is located above the feeding hopper 110, and the bin 130 stores solid media. During the use, battery conveyer belt 120 moves on feeder hopper 110 with old and useless motor, and feed bin 130 opens the discharge gate of self and falls solid medium to feeder hopper 110 on. Specifically, in operation, the battery conveyor belt 120 and the silo 130 are fed simultaneously. By adopting the structure, the waste batteries and the solid media are automatically conveyed to the crusher 200, and the structure is simple, and the energy consumption and the cost are low.

In a further embodiment of the present invention, as shown in fig. 1, the sorting device 400 is a spiral classifier placed in an inclined manner, as shown in fig. 3 and 4, the spiral classifier includes a groove body 410, a spiral body 420, and a power device 430, a feed inlet 411 and a discharge outlet 412 are provided at the bottom of the groove body 410, the spiral body 420 is rotatably provided in the groove body 410, the power device 430 is used for driving the spiral body 420 to rotate, and a certain gap 413 is provided between the outer surface of the spiral body 420 and the inner wall of the groove body 410. During operation, the discharge end and the feed inlet 411 of blendor 300 are connected, and then the battery material after mixing is carried to the cell body 410 in through feed inlet 411, because the spiral classifier sets up for the slope, and then spirochaeta 420 promotes the battery material gradually, because the granularity of solid medium is less than the gap, promotes in-process solid medium and passes through clearance 413 and descend, and discharge through discharge gate 412. The structure is simple, and the sorting is accurate. Specifically, an included angle is formed between the spiral classifier and the ground, and the included angle is 10 degrees; the power device is a motor.

In a further embodiment of the utility model, as shown in figures 3 and 4, a water-cooled jacket 414 is provided around the housing 410. The battery materials are further cooled in the sorting process, and the battery materials are prevented from being ignited and burnt when the battery materials are in contact with air after being separated from the solid medium. Specifically, the water-cooling jacket is U-shaped.

In a further embodiment of the present invention, as shown in fig. 1 and 2, a media conveyer 500 is further included, and both ends of the media conveyer 500 are respectively connected to the bin 130 and the discharge port 412. In operation, sorted solid media are discharged from the discharge port 412 onto the media transport belt 500, which the media transport belt 500 transports back to the hopper 130. The structure is adopted to realize the recycling of the solid medium.

In a further embodiment of the present invention, as shown in fig. 2 and 5, the mixer 300 comprises a drum 310, a plurality of triangular inner liners 320 and a driving device 330 for driving the drum 310 to rotate, the plurality of inner liners 320 being spaced along an inner wall of the drum 310. The triangular inner lining plate 320 is provided to make the inner lining plate 320 drive the materials to turn over and mix when the drum 310 rotates, and the materials are mixed evenly. Specifically, the driving device 330 is a motor.

In a further embodiment of the utility model, as shown in fig. 1 and 2, the sorting device 400 is mounted to one side of the mixer 300 with the feed hopper 110 positioned above the mixer 300. With such a structure, the machine is small in size.

In the description herein, references to the description of "some embodiments" or "what is conceivable" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. A dry charged crushing system for waste lithium ion batteries is characterized by comprising: the device comprises a material conveying assembly, a crusher, a mixer and a sorting device;

the conveying assembly is connected with the feeding end of the crusher and is used for conveying the waste batteries and the solid media into the crusher;

the discharge end of the crusher is connected with the mixer;

the mixer is used for mixing the waste batteries and the solid media in a turning mode, and the discharge end of the mixer is connected with the sorting device; the mixer comprises a roller, a plurality of triangular inner lining plates and a driving device for driving the roller to rotate, wherein the inner lining plates are arranged at intervals along the inner wall of the roller;

the sorting device is used for separating the waste batteries from the solid medium and discharging the waste batteries.

2. The dry charged crushing system for waste lithium ion batteries according to claim 1, characterized in that: defeated material subassembly includes feeder hopper, battery conveyer belt and feed bin, the discharge end of feeder hopper with the breaker is connected, the discharge end of battery conveyer belt is located the top of feeder hopper, the feed bin is stored there is solid medium.

3. The dry charged crushing system for waste lithium ion batteries according to claim 2, characterized in that: sorting unit is the spiral grader who places with the slope mode, spiral grader includes cell body, spirochaeta, power device, the bottom of cell body is equipped with feed inlet and discharge gate, the spirochaeta is rotationally located in the cell body, power device is used for the drive the spirochaeta rotates, the surface of spirochaeta with certain clearance has between the inner wall of cell body.

4. The dry charged crushing system for waste lithium ion batteries according to claim 3, characterized in that: the water cooling jacket is sleeved outside the tank body.

5. The dry charged crushing system for waste lithium ion batteries according to claim 3, characterized in that: the device also comprises a medium conveying belt, wherein two ends of the medium conveying belt are respectively connected with the storage bin and the discharge port.

6. The dry charged crushing system for waste lithium ion batteries according to any one of claims 1 to 5, characterized in that: the crusher is a shredder, a hammer crusher or a double-roller crusher.

7. The dry charged crushing system for waste lithium ion batteries according to claim 4, characterized in that: the water-cooling jacket is U-shaped.

8. The dry charged crushing system for waste lithium ion batteries according to claim 3, characterized in that: the sorting unit is installed in one side of blendor, the feeder hopper is located the top of blendor.

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