A lithium sulfate leaching solution purification and impurity removal equipment

Abstract

The utility model provides a lithium sulfate leachate purification and impurity removal device, including a body, a top cover is installed on the top of the body, and two side plates that are attached to the inner wall of the body are vertically fixed on the bottom of the top cover. The utility model provides a partition that can rotate inside the frame inside the body, and the partition is divided into a plurality of areas with the same area by stirring blades, and a filter screen is installed inside the area. The partition can drive the filter screen to rotate inside the frame through the setting of a driving mechanism, so that the lithium sulfate leachate entering the body from the liquid inlet can be uniformly contacted with each filter screen, thereby improving the utilization rate of the filter screen, and can prevent solid impurities from adhering to the surface of the filter screen under the drive of the stirring blade and the stirring rod revolution, and because the stirring rod can also move in the vertical direction while revolving, the uniformity of the lithium sulfate leachate contacting the filter screen is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium sulfate leaching solution impurity removal, in particular to lithium sulfate leaching solution purification and impurity removal equipment. Background Art

[0002] Lithium sulfate is an important lithium salt compound, commonly in the form of white crystals or crystalline powder. Lithium sulfate is widely used in lithium-ion batteries, ceramics and glass industries. Purification and impurity removal of lithium sulfate leachate refers to the removal of impurities and impurity ions from the leachate containing lithium sulfate to improve the purity and quality of lithium sulfate.

[0003] When the lithium sulfate leachate is purified and impurities are removed, it is directly filtered through a mechanical filtering device. However, most of the current mechanical filtering equipment simply sets a filter in the equipment to achieve filtering and impurity removal through one-way transportation of the lithium sulfate leachate. After a long period of use, some solid impurities will adhere to the filter, thereby affecting the impurity removal effect of the lithium sulfate leachate. Moreover, the position of the filter is fixed, and the position of the lithium sulfate leachate entering the equipment is also fixed, which results in the lithium sulfate leachate only contacting a certain part of the filter for a long time, so that other parts of the filter cannot be used. Utility Model Content

[0004] The utility model aims to provide a lithium sulfate leaching solution purification and impurity removal device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A lithium sulfate leachate purification and impurity removal device comprises a body, a top cover is installed on the top of the body, two side plates that are in contact with the inner wall of the body are vertically fixed on the bottom of the top cover, a frame is fixedly connected to the bottom of the two side plates, a partition is rotatably arranged on the inner wall of the frame, a traction seat is arranged at the center of the partition, a plurality of stirring blades are fixedly arranged between the traction seat and the partition, the plurality of stirring blades evenly divide the partition into a plurality of areas, a filter screen is installed in each of the areas, the traction seat is connected to the top cover through a driving mechanism, and an auxiliary stirring mechanism is arranged between the stirring blades and the driving mechanism.

[0007] Preferably, the driving mechanism includes a motor and a main shaft, the motor is mounted on the surface of the top cover, the top of the main shaft is rotatably disposed on the surface of the top cover and connected to the output end of the motor, and the bottom end of the main shaft is fixedly connected to the traction seat.

[0008] Preferably, the auxiliary stirring mechanism includes a stirring rod, a traction rod, a fixed seat and a sliding sleeve, one end of the stirring rod is hinged to the surface of the stirring blade, one end of the traction rod is slidably arranged in the stirring rod, the other end of the traction rod is hinged to the side of the sliding sleeve, the sliding sleeve is keyed to the surface of the main shaft, the fixed seat is fixed between the two side plates through a bracket, and the fixed seat and the sliding sleeve are connected through a traction member.

[0009] Preferably, the traction member comprises a guide groove and a guide block, the guide groove is arranged on the inner wall of the fixed seat, the guide block is fixed to the surface of the sliding sleeve, the sliding sleeve is rotatably arranged on the inner wall of the fixed seat, and the guide block is slidably arranged in the guide groove.

[0010] Preferably, the projection of the guide groove on the end surface of the fixing seat is exactly a perfect circle, and the cross-sectional projection of the guide groove is an inclined line segment.

[0011] Preferably, a rotating seat is provided at the top of the stirring blade, a notch is provided at one end of the stirring rod, the stirring rod is rotatably set on the surface of the rotating seat through the notch, and the top height of the stirring blade gradually decreases from the rotating seat to the traction seat.

[0012] Preferably, a conical portion is provided at the bottom of the body, a liquid outlet is provided at the bottom of the conical portion, and a liquid inlet is provided at the side of the body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a partition plate which can rotate inside the frame inside the machine body, divides the partition plate into six areas with the same area by means of stirring blades, and installs filter screens inside the areas, and the partition plate can drive the filter screens to rotate inside the frame by means of the setting of the driving mechanism, so that the lithium sulfate leaching solution entering the machine body from the liquid inlet can contact each filter screen evenly, thereby improving the utilization rate of the filter screen, and can prevent solid impurities from adhering to the surface of the filter screen under the driving of the stirring blades and the stirring rod revolution, and because the stirring rod can also move in the vertical direction while revolving, the uniformity of the lithium sulfate leaching solution when contacting the filter screen is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the body of the utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure between the frame and the partition of the utility model;

[0018] Figure 4 This is a schematic diagram of the main structure of the auxiliary stirring mechanism of the utility model;

[0019] Figure 5 This is a schematic diagram of the main structure of the traction member of the utility model;

[0020] Figure 6 It is a schematic diagram of the main structure of the stirring rod of the utility model.

[0021] In the figure: 1. body; 2. top cover; 3. side panel; 4. frame; 5. partition; 6. traction seat; 7. stirring blade; 8. area; 9. filter screen; 10. motor; 11. main shaft; 12. stirring rod; 13. traction rod; 14. fixed seat; 15. sliding sleeve; 16. bracket; 17. guide groove; 18. guide block; 19. rotating seat; 20. notch; 21. tapered part; 22. liquid outlet; 23. liquid inlet. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-6 , the utility model provides a technical solution:

[0024] Embodiment 1

[0025] A lithium sulfate leaching solution purification and impurity removal device comprises a body 1, a conical portion 21 is arranged at the bottom of the body 1, a liquid outlet 22 is arranged at the bottom of the conical portion 21, a liquid inlet 23 is arranged at the side of the body 1, a top cover 2 is installed on the top of the body 1, two side plates 3 that are attached to the inner wall of the body 1 are vertically fixed at the bottom of the top cover 2, a frame 4 is fixedly connected to the bottom of the two side plates 3, a partition 5 is rotatably arranged on the inner wall of the frame 4, a traction seat 6 is arranged at the center of the partition 5, a plurality of stirring blades 7 are fixedly arranged between the traction seat 6 and the partition 5, and the plurality of stirring blades 7 evenly divide the partition 5 into a plurality of zones Domain 8, a filter screen 9 is installed in each area 8, the traction seat 6 is connected to the top cover 2 through a driving mechanism, the driving mechanism includes a motor 10 and a main shaft 11, the motor 10 is installed on the surface of the top cover 2, the top of the main shaft 11 is rotatably set on the surface of the top cover 2 and is connected to the output end of the motor 10, the bottom end of the main shaft 11 is fixedly connected to the traction seat 6, a rotating seat 19 is set on the top of the stirring blade 7, a notch 20 is set at one end of the stirring rod 12, the stirring rod 12 is rotatably set on the surface of the rotating seat 19 through the notch 20, and the top height of the stirring blade 7 gradually decreases from the rotating seat 19 to the traction seat 6.

[0026] See also Figure 1 , 2 , 3 and 6, the motor 10 can drive the main shaft 11 to rotate, and the main shaft 11 can drive the partition 5 to rotate as a whole inside the frame 4 through the traction seat 6 and the stirring blade 7 when rotating. Since the liquid inlet 23 is fixed, the lithium sulfate leachate can be continuously fed to a certain part in the body 1. When the frame 4 rotates, the frame 4 can drive the filter screen 9 to rotate. At this time, the six filter screens 9 can successively receive the lithium sulfate leachate from the liquid inlet 23, thereby realizing the separation of solid and liquid in the lithium sulfate leachate. When the flow rate of the lithium sulfate leachate increases, the body 1 is filled with the lithium sulfate leachate. At this time, the stirring blade 7 can stir the lithium sulfate leachate in the body 1 when rotating to prevent the solid impurities in the lithium sulfate leachate from adhering to the surface of the filter screen 9. The filtered lithium sulfate leachate can enter the conical portion 21 and converge, and finally be discharged from the body 1 through the liquid outlet 22.

[0027] Embodiment 2

[0028] In the above embodiment, the rotating multiple filter screens 9 can uniformly contact the lithium sulfate leachate in turn, so that each filter screen 9 can be used, and the stirring of the lithium sulfate leachate by the stirring blade 7 can prevent solid impurities from adhering to the filter screen 9. However, the stirring method of the stirring blade 7 is relatively simple and cannot be stirred in the vertical direction. Therefore, in this embodiment, an auxiliary stirring mechanism is arranged between the stirring blade 7 and the driving mechanism. The auxiliary stirring mechanism includes a stirring rod 12, a traction rod 13, a fixed seat 14 and a sliding sleeve 15. One end of the stirring rod 12 is hinged to the surface of the stirring blade 7, one end of the traction rod 13 is slidably arranged in the stirring rod 12, and the other end of the traction rod 13 is hinged to the side of the sliding sleeve 15. The sliding sleeve 15 is keyed to the surface of the main shaft 11, and the fixed seat 14 is fixed between the two side plates 3 through the bracket 16. The fixed seat 14 and the sliding sleeve 15 are connected by a traction member.

[0029] See also Figure 4 When the main shaft 11 rotates, it can drive the sleeve 15 to rotate synchronously. Since the main shaft 11 can drive the stirring blade 7 to rotate synchronously, the stirring blade 7 and the sleeve 15 can drive the stirring rod 12 and the traction rod 13 to revolve synchronously. When the stirring rod 12 and the traction rod 13 rotate, they can stir the lithium sulfate leachate in the horizontal direction. However, since the fixed seat 14 is fixed, the sleeve 15 can cooperate with the fixed seat 14 through the traction member when rotating to drive the top of the traction rod 13 to reciprocate in the vertical direction. Since the other end of the traction rod 13 can slide inside the stirring rod 12, when the top of the traction rod 13 reciprocates vertically, the overall length of the traction rod 13 and the stirring rod 12 will change periodically, and the inclination angle between the stirring rod 12 and the horizontal plane will also change periodically, so that the lithium sulfate leachate can be stirred more evenly in the vertical direction.

[0030] The traction member includes a guide groove 17 and a guide block 18. The guide groove 17 is arranged on the inner wall of the fixed seat 14, and the guide block 18 is fixed to the surface of the sliding sleeve 15. The sliding sleeve 15 is rotatably arranged on the inner wall of the fixed seat 14, and the guide block 18 is slidably arranged in the guide groove 17. The projection of the guide groove 17 on the end face of the fixed seat 14 is exactly a perfect circle, and the cross-sectional projection of the guide groove 17 is an inclined line segment.

[0031] See also Figure 5In the initial state, the guide block 18 is located at the lowest point of the guide groove 17. When the sleeve 15 rotates, it can drive the guide block 18 to revolve. When the guide block 18 rotates, it can slide inside the guide groove 17. Since the cross-sectional projection of the guide groove 17 is an inclined line segment, but the vertical height of the guide block 18 is unchanged, when the guide block 18 revolves, the guide groove 17 can drive the sleeve 15 to move vertically on the surface of the main shaft 11. After the sleeve 15 rotates 360°, the guide block 18 just returns to the lowest point of the guide groove 17. At this time, the sleeve 15 as a whole performs a movement process of first moving downward and then resetting, thereby realizing the vertical reciprocating motion of the top of the traction rod 13.

[0032] Working principle: start the motor 10, drive the main shaft 11 to rotate through the motor 10, and then introduce lithium sulfate leachate into the body 1 through the liquid inlet 23. At this time, the main shaft 11 can drive the partition 5 to rotate as a whole inside the frame 4 through the traction seat 6 and the stirring blade 7. The partition 5 can drive the filter 9 to rotate when rotating. The six filter screens 9 can contact with the lithium sulfate leachate in turn to prevent a single filter screen 9 from continuously contacting the lithium sulfate leachate. When the flow rate of the liquid inlet 23 increases, the body 1 is filled with lithium sulfate leachate. The stirring blade 7 can stir the lithium sulfate leachate in the horizontal direction when rotating, and can stir the lithium sulfate leachate in the vertical direction through the auxiliary stirring mechanism, thereby preventing solid impurities in the lithium sulfate leachate from adhering to the surface of the filter screen 9.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium sulfate leaching solution purification and impurity removal device, comprising a body (1), characterized in that: A top cover (2) is installed on the top of the machine body (1); two side plates (3) are vertically fixed to the bottom of the top cover (2) and are in contact with the inner wall of the machine body (1); the bottoms of the two side plates (3) are fixedly connected to a frame (4); a partition (5) is rotatably arranged on the inner wall of the frame (4); a traction seat (6) is arranged at the center of the partition (5); a plurality of stirring blades (7) are fixedly arranged between the traction seat (6) and the partition (5); the plurality of stirring blades (7) evenly divide the partition (5) into a plurality of areas (8); a filter screen (9) is installed in each of the areas (8); the traction seat (6) is connected to the top cover (2) via a driving mechanism; an auxiliary stirring mechanism is arranged between the stirring blades (7) and the driving mechanism.

2. A lithium sulfate leachate purification and impurity removal device according to claim 1, characterized in that: The driving mechanism comprises a motor (10) and a main shaft (11); the motor (10) is mounted on the surface of the top cover (2); the top of the main shaft (11) is rotatably disposed on the surface of the top cover (2) and is connected to the output end of the motor (10); and the bottom end of the main shaft (11) is fixedly connected to the traction seat (6).

3. A lithium sulfate leachate purification and impurity removal device according to claim 2, characterized in that: The auxiliary stirring mechanism comprises a stirring rod (12), a traction rod (13), a fixed seat (14) and a sliding sleeve (15); one end of the stirring rod (12) is hinged to the surface of the stirring blade (7); one end of the traction rod (13) is slidably arranged in the stirring rod (12); the other end of the traction rod (13) is hinged to the side of the sliding sleeve (15); the sliding sleeve (15) is key-connected to the surface of the main shaft (11); the fixed seat (14) is fixed between the two side plates (3) through a bracket (16); and the fixed seat (14) and the sliding sleeve (15) are connected through a traction member.

4. A lithium sulfate leachate purification and impurity removal device according to claim 3, characterized in that: The traction member comprises a guide groove (17) and a guide block (18); the guide groove (17) is arranged on the inner wall of the fixed seat (14); the guide block (18) is fixed to the surface of the sliding sleeve (15); the sliding sleeve (15) is rotatably arranged on the inner wall of the fixed seat (14); and the guide block (18) is slidably arranged in the guide groove (17).

5. A lithium sulfate leachate purification and impurity removal device according to claim 4, characterized in that: The projection of the guide groove (17) on the end surface of the fixing seat (14) is exactly a perfect circle, and the cross-sectional projection of the guide groove (17) is an inclined line segment.

6. The lithium sulfate leachate purification and impurity removal equipment according to claim 5, characterized in that: The top of the stirring blade (7) is provided with a rotating seat (19), one end of the stirring rod (12) is provided with a notch (20), the stirring rod (12) is rotatably arranged on the surface of the rotating seat (19) through the notch (20), and the top height of the stirring blade (7) gradually decreases in the direction from the rotating seat (19) to the traction seat (6).

7. The lithium sulfate leachate purification and impurity removal equipment according to claim 1, characterized in that: The bottom of the machine body (1) is provided with a conical portion (21), the bottom of the conical portion (21) is provided with a liquid outlet (22), and the side of the machine body (1) is provided with a liquid inlet (23).

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