Lithium extraction and recovery device

Abstract

The utility model discloses a lithium extraction and recovery device which comprises an extraction tank, a motor, a feed port, a liquid inlet connector, a liquid spraying pipe, a stirring shaft, stirring blades, an extraction outlet, a tailing outlet and bottom feet, a conical material guide plate is arranged in the extraction tank, and a hollow grinding cylinder is arranged in the middle of the material guide plate. The liquid spraying pipe is arranged above the material guiding plate, clings to the inner wall of the extraction tank and is connected with a liquid inlet connector outside the extraction tank, the stirring shaft penetrates through the center of the grinding cylinder, an eccentric roller is arranged on the part, located in the grinding cylinder, of the stirring shaft, and a connecting rod is further arranged on the part, located in the stirring cavity, of the stirring shaft; a scraping plate attached to the inner wall of the extraction tank is arranged at the outer end of the connecting rod; an anti-settling blade attached to the bottom of the extraction tank is arranged at the bottom of the stirring shaft; by arranging the material guide plate, the grinding cylinder and the eccentric roller structure, solid lithium-containing waste materials can be ground and then react with an extraction agent, so that the extraction reaction efficiency is improved, and the lithium yield is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of waste lithium recovery device, especially relates to a lithium extraction recovery device. BACKGROUND

[0002] With the rapid development of new energy vehicles, the scrap quantity of lithium battery also increases day by day, and the scrapped lithium ion battery contains rich lithium element, and lithium is a scarce element, recycling lithium from the scrapped lithium ion battery not only has important significance to ecological environment, but also is necessary for the full use of resources, and the recovery of lithium-containing waste material generally adopts the mode of extraction, first, the lithium waste material is crushed, and an extracting agent and water solution are added, and lithium is extracted from the solution. The existing extraction tank device generally does not have a solid material crushing processing structure, generally only contains a stirring device, but it is difficult to directly process some solid waste materials containing a large amount of lithium, so that the extraction of lithium is insufficient, resulting in resource waste and increased production cost. SUMMARY

[0003] The utility model aims at providing a lithium extraction recovery device.

[0004] The above technical purpose of the utility model is realized by the following technical scheme.

[0005] A lithium extraction recovery device, including extraction tank, motor, feed inlet, liquid inlet joint, liquid injection pipe, stirring shaft, stirring blade, extraction outlet, tail outlet and bottom, the motor is installed at the top of the extraction tank, and the motor is in transmission connection with the stirring shaft in the extraction tank, the stirring blade is arranged on the stirring shaft, the feed inlet is arranged at the top of the extraction tank, and the motor is arranged on the outside, the extraction outlet is arranged at the bottom of the extraction tank, and the tail outlet is arranged at the bottom of the extraction tank, and the extraction outlet is arranged on the outside, the extraction tank is internally provided with a conical guide plate, the middle position of the guide plate is provided with a hollow crushing cylinder, the liquid injection pipe is arranged above the guide plate and closely arranged on the inner wall of the extraction tank, and the liquid injection pipe is connected with the liquid inlet joint outside the extraction tank, the stirring shaft is arranged through the center of the crushing cylinder, and the eccentric roller is arranged on the part of the crushing cylinder, and the connecting rod is further arranged on the part of the stirring shaft in the stirring cavity, the outer end of the connecting rod is provided with the scraping plate that is attached to the inner wall of the extraction tank, and the bottom of the stirring shaft is provided with the anti-sediment leaf that is attached to the bottom of the extraction tank.

[0006] Further, the filter screen is a circular truncated cone structure, and the anti-sediment leaf and the side surface of the filter screen are attached to the bottom of the extraction tank.

[0007] Further, the number of feed inlets is multiple.

[0008] Further, the number of eccentric rollers is multiple, and the multiple eccentric rollers are arranged in staggered positions.

[0009] Further, the outer periphery of the crushing cylinder is provided with a plurality of annular reinforcing ribs.

[0010] Further, the outer edge of the scraper in contact with the inner wall of the extraction tank is provided with a flexible strip made of flexible material.

[0011] In summary, the utility model has the following beneficial effects: the utility model discloses a guide plate, a crushing cylinder and an eccentric roller structure, which can crush solid lithium-containing waste, react with an extracting agent, improve the efficiency of extraction reaction and improve the yield of lithium. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the internal structure schematic view of the utility model;

[0013] Figure 2 It is the structure schematic view of the crushing cylinder of the utility model.

[0014] In the figure, 1, extraction tank;2, motor;3, feed inlet;4, liquid inlet connector;5, liquid injection pipe;6, stirring shaft;7, guide plate;8, crushing cylinder;9, eccentric roller;10, connecting rod;11, scraper;12, flexible strip;13, stirring blade;14, anti-sediment leaf;15, filter screen;16, extraction outlet;17, tail outlet;18, bottom foot;19, reinforcing rib. DETAILED DESCRIPTION

[0015] The utility model will be further described in detail below in combination with the drawings, and the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0016] As Figure 1 And Figure 2As shown in the figure, a lithium extraction recovery device, comprising an extraction tank 1, a motor 2, a feed inlet 3, a liquid inlet joint 4, a liquid injection pipe 5, a stirring shaft 6, a stirring blade 13, an extraction outlet 16, a tail outlet 17 and a foot 18, the motor 2 is installed on the top of the extraction tank 1, the motor 2 is in driving connection with the stirring shaft 6 inside the extraction tank 1, the stirring blade 13 is arranged on the stirring shaft 6, the feed inlet 3 is arranged on the top of the extraction tank 1, outside the motor 2, the extraction outlet 16 is arranged at the middle position of the bottom of the extraction tank 1, the tail outlet 17 is arranged at the bottom of the extraction tank 1, outside the extraction outlet 16, the inside of the extraction tank 1 is provided with a conical guide plate 7, the middle position of the guide plate 7 is provided with a hollow crushing cylinder 8, the liquid injection pipe 5 is arranged above the guide plate 7, closely arranged on the inner wall of the extraction tank 1, the liquid injection pipe 5 is connected with the liquid inlet joint 4 outside the extraction tank 1, the extraction agent and solvent are added into the extraction tank 1 through the liquid injection pipe 5, at the same time, the guide plate 7 can be washed to avoid material adhesion, the stirring shaft 6 passes through the center of the crushing cylinder 8, the eccentric roller 9 is arranged on the part of the crushing cylinder 8 where the stirring shaft 6 is located, the connecting rod 10 is also arranged on the part of the stirring shaft 6 inside the stirring cavity, the outer end of the connecting rod 10 is provided with a scraper 11 which is in close contact with the inner wall of the extraction tank 1, the bottom of the stirring shaft 6 is provided with an anti-settling blade 14 which is in close contact with the bottom of the extraction tank 1, the filter screen 15 is installed on the extraction outlet 16, and the anti-settling blade 14 is in close contact with the surface of the filter screen 15.

[0017] Further, as shown in the figure, Figure 2 The filter screen 15 is in the shape of a circular truncated cone, and the anti-settling blade 14 is in close contact with the bottom of the extraction tank 1.

[0018] Further, the number of feed inlets 3 is multiple, and different materials are added through multiple feed inlets.

[0019] Further, the number of eccentric rollers 9 is multiple, and the multiple eccentric rollers 9 are arranged in staggered positions, and the structure of the multiple eccentric rollers 9 is set to have multiple intermittent changes in the gap of the inner wall of the remaining crushing cylinder 8 when rotating, so that the solid lithium-containing waste is crushed when passing through, so as to better react with the extraction agent and solvent.

[0020] Further, a plurality of annular reinforcing ribs 19 are arranged on the outer circumference of the crushing cylinder 8, and the reinforcing ribs 19 increase the strength of the crushing cylinder 8.

[0021] Further, the outer edge of the scraper 11 in contact with the inner wall of the extraction tank 1 is provided with a flexible strip 12 made of flexible material, which avoids rigid contact and improves the service life of the scraper 11.

[0022] Working principle: solid lithium-containing waste is added into the extraction tank 1 from the feed inlet 3, falls on the guide plate 7, and slides into the crushing cylinder 8 with the guide plate 7, the crushing cylinder 8 is combined with the rotating eccentric 9 to crush the solid waste passing through the gap, the extraction agent and the solvent are added into the extraction tank 1 through the liquid injection pipe 5 to flush the guide plate 7, the crushed material is mixed with the solvent in the stirring cavity and is stirred and extracted by the stirrer, after the extraction is completed, the extracted solution is filtered through the filter screen 15 and is collected from the extraction outlet 16, and the solid impurities not reacted are recycled from the tail outlet 17.

[0023] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A lithium extraction recovery device, comprising an extraction tank (1), a motor (2), a feed inlet (3), a liquid inlet joint (4), a liquid injection pipe (5), a stirring shaft (6), a stirring blade (13), The motor (2) is installed on the top of the extraction tank (1), the motor (2) is in driving connection with the stirring shaft (6) inside the extraction tank (1), the stirring blade (13) is arranged on the stirring shaft (6), the feed inlet (3) is arranged on the top of the extraction tank (1), outside the motor (2), the extraction outlet (16) is arranged at the middle position of the bottom of the extraction tank (1), the tail outlet (17) is arranged at the bottom of the extraction tank (1), outside the extraction outlet (16), characterized in that: The extraction tank (1) is internally provided with a conical guide plate (7), the middle position of the guide plate (7) is provided with a hollow crushing cylinder (8), the liquid injection pipe (5) is arranged above the guide plate (7) and closely arranged on the inner wall of the extraction tank (1), the liquid injection pipe (5) is connected with the liquid inlet joint outside the extraction tank (1), the stirring shaft (6) is arranged through the center of the crushing cylinder (8), the eccentric roller (9) is arranged on the part of the stirring shaft (6) located in the crushing cylinder (8), the connecting rod (10) is further arranged on the part of the stirring shaft (6) located in the stirring cavity, the outer end of the connecting rod (10) is provided with the scraper (11) which is attached to the inner wall of the extraction tank (1), the bottom of the stirring shaft (6) is provided with the anti-settling blade (14) which is attached to the bottom of the extraction tank (1), the filter screen (15) is installed on the extraction outlet (16), and the anti-settling blade (14) is attached to the surface of the filter screen (15).

2. The lithium extraction recovery device according to claim 1, characterized in that: The filter screen (15) is in the shape of a circular truncated cone, and the anti-settling blade (14) and the side surface of the filter screen (15) are attached to the bottom of the extraction tank (1).

3. A device for the recovery of lithium by extraction according to claim 2, characterised in that: The number of the feed inlets (3) is multiple.

4. A device for the recovery of lithium by extraction according to claim 3, characterised in that: The number of the eccentric rollers (9) is multiple, and the multiple eccentric rollers (9) are arranged in a staggered manner.

5. A device for the recovery of lithium by extraction according to claim 4, characterised in that: The outer circumference of the crushing cylinder (8) is provided with a plurality of annular reinforcing ribs (19).

6. A lithium recovery by extraction apparatus as claimed in claim 5 wherein: The outer edge of the scraper (11) in contact with the inner wall of the extraction tank (1) is provided with a flexible strip (12) made of flexible material.

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