Salt lake brine adsorption lithium extraction device

By introducing a design that connects the insert rod and the slot in the brine adsorption lithium extraction device, the problem of the filter screen being difficult to disassemble and clean is solved, enabling convenient disassembly of the filter screen and stable operation of the device, thus ensuring the smooth progress of the brine filtration and adsorption lithium extraction process.

CN223991125UActive Publication Date: 2026-03-13QINGHAI UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Existing lithium extraction devices using brine adsorption have filters that are difficult to disassemble and clean, leading to clogging and affecting filtration efficiency.

Method used

A lithium extraction device for salt lake brine adsorption was designed. The device uses a plug and a slot to engage, allowing the plug to be pulled out of the slot for easy disassembly and cleaning of the filter screen. A limiting mechanism ensures the stability and ease of operation of the device.

Benefits of technology

This effectively prevents filter clogging, ensures filtration efficiency, and enables the efficient filtration of brine and the smooth progress of the lithium adsorption and extraction process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a salt lake brine adsorption lithium extraction device, which belongs to the technical field of salt lake lithium extraction, and comprises a support plate and a support component mounted on the support plate, a collection box is mounted on the support component, a filter box is mounted on the collection box, a top cover is mounted at the top of the filter box, and the filter box is mounted on the top cover. A filter screen is mounted at one end of the filter box, an inserting rod is mounted on the top cover, an inserting groove matched with the inserting rod is formed in the collecting box, a limiting mechanism is slidably mounted on the supporting assembly, a first liquid adding pipe is mounted on the top cover, and an extraction mechanism is mounted on the supporting plate. According to the salt lake brine collecting device, the inserting rod is connected with the inserting groove in a clamped mode, the connecting block is pulled, the inserting rod is pulled out of the inserting groove, the filter screen can be detached and cleaned, the filter screen is prevented from being blocked and affecting the filtering effect, salt lake brine is added into the collecting box, impurities and silt are filtered through the filter screen, and the filtered brine falls into the collecting box; and the first conveying pump is started to convey the brine in the collecting box into the extraction box.
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Description

Technical Field

[0001] This utility model relates to a lithium extraction device for adsorption in salt lake brine, belonging to the field of lithium extraction technology from salt lakes. Background Technology

[0002] Methods for extracting lithium from brine include calcination, solvent extraction, selective membrane separation, adsorption, and ion exchange. Among these, adsorption and ion exchange methods are gaining increasing attention due to their high selectivity for target ions and good recyclability, especially in low-grade brine and brines.

[0003] However, existing brine adsorption and lithium extraction devices for salt lakes cannot easily disassemble and clean the filter screen during actual use, which leads to filter screen blockage and affects the filtration effect of sediment. Utility Model Content

[0004] The main purpose of this invention is to solve the problem of the inconvenience of disassembling and cleaning the filter screen, and to provide a lithium extraction device for salt lake brine adsorption.

[0005] The objective of this utility model can be achieved by adopting the following technical solution:

[0006] A lithium extraction device for salt lake brine adsorption includes a tray and a support assembly mounted on the tray. A collection box is mounted on the support assembly, a filter box is mounted on the collection box, a top cover is mounted on the top cover, a filter screen is mounted on one end of the filter box, and a rod is mounted on the top cover. The collection box has a slot that cooperates with the rod. A limiting mechanism is slidably mounted on the support assembly. A first liquid addition pipe is mounted on the top cover. An extraction mechanism is mounted on the tray. A first delivery pump is mounted on the tray. The input end of the first delivery pump is connected to the collection box through a first liquid inlet pipe, and the output end of the first delivery pump is connected to the extraction mechanism through a first delivery pipe. A separation mechanism is mounted on the tray. A second delivery pump is mounted on the tray. The input end of the second delivery pump is connected to the extraction mechanism through a second liquid inlet pipe, and the output end of the second delivery pump is connected to the separation mechanism through a second delivery pipe.

[0007] Preferably, the support assembly includes a first support frame and support legs. The first support frame is mounted on the collection box, and the bottom of the first support frame is connected to the tray via multiple support legs.

[0008] Preferably, the limiting mechanism includes a base plate, a support rod, and a mounting block. The base plate is slidably mounted on the first support frame, the support rod is mounted on the base plate, and a mounting block is mounted on one end of the support rod. Multiple connecting blocks are mounted on the top cover. The connecting blocks have mounting grooves that cooperate with the mounting blocks. The mounting blocks are T-shaped mounting blocks, and the mounting grooves are T-shaped mounting grooves.

[0009] Preferably, a slider is installed at the bottom of the base plate, and a groove is provided on the first support frame to cooperate with the slider. The slider is a T-shaped slider, the groove is a T-shaped groove, and a locking mechanism is installed on the slider.

[0010] Preferably, the engaging mechanism includes a cavity, a spring, and a locking ball. The slider has a spring, one end of which is fitted with a locking ball, and the first support frame has a locking groove that cooperates with the locking ball.

[0011] Preferably, the extraction mechanism includes an extraction box, a support ring, a bottom rod, a second liquid addition pipe, and a pipe cap. The extraction box is mounted on the tray, and the support ring is installed on the extraction box. The bottom of the support ring is connected to the tray via multiple bottom rods. A stirring mechanism is installed on the extraction box, and the second liquid addition pipe is installed on the top of the extraction box. A pipe cap is threaded onto the second liquid addition pipe, and the output end of the first delivery pump is connected to the extraction box via the first delivery pipe.

[0012] Preferably, the stirring mechanism includes a motor and a stirring rod, the motor is installed on the extraction tank, and the stirring rod is installed at the output end of the motor.

[0013] Preferably, the separation mechanism includes a separator, a second support frame, a support rod, and a solenoid valve. The separator is mounted on the tray, and the second support frame is installed on the separator. The bottom of the second support frame is connected to the tray via the support rod. The solenoid valve is installed on the separator, and a second delivery pump is installed on the tray. The input end of the second delivery pump is connected to the extraction tank via a second inlet pipe, and the output end of the second delivery pump is connected to the separator via a second delivery pipe.

[0014] The beneficial technical effects of this utility model are as follows:

[0015] According to the present invention, the salt lake brine adsorption lithium extraction device is designed with a plug rod that engages with a slot. By pulling the connecting block, the plug rod can be pulled out of the slot, allowing for the disassembly and cleaning of the filter screen, thus preventing the filter screen from becoming clogged and affecting the filtration effect.

[0016] Salt lake brine is added to a collection tank, where impurities and sediment are filtered out through a filter screen. The filtered brine falls into the collection tank, and the first delivery pump is started to transport the brine from the collection tank to the extraction tank. Adsorbent is added to the extraction tank through the second liquid addition pipe. The motor is started to drive the stirring rod to mix the brine and adsorbent. The second delivery pump is started to transport the mixed brine from the extraction tank to the separator for separation, which can perform adsorption and lithium extraction. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the collection box structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the filter screen structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the mounting block structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the slider structure of this utility model;

[0022] Figure 6 This is a schematic diagram of the ball-holding structure of this utility model;

[0023] Figure 7 This is a schematic diagram of the stirring rod structure of this utility model.

[0024] In the diagram: 1. Pallet; 2. First support frame; 3. Support leg; 4. First delivery pump; 5. First inlet pipe; 6. Base plate; 7. Slider; 8. Support rod; 9. Mounting block; 10. Connecting block; 11. Top cover; 12. First liquid addition pipe; 13. Filter box; 14. Collection box; 15. Extraction box; 16. Support ring; 17. Base rod; 18. Second delivery pump; 19. First delivery pipe; 20. Second liquid addition pipe; 21. Pipe cap; 22. Motor; 23. Second inlet pipe; 24. Second delivery pipe; 25. Separator; 26. Solenoid valve; 27. Second support frame; 28. Support rod; 29. ​​Filter screen; 30. Insert rod; 31. Connecting rod; 32. Ball clamp; 33. Spring; 34. Stirring rod. Detailed Implementation

[0025] To enable those skilled in the art to understand the technical solution of this utility model more clearly, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of this utility model is not limited thereto.

[0026] like Figures 1-7As shown, the brine adsorption lithium extraction device provided in this embodiment includes a tray 1 and a support assembly mounted on the tray 1. A collection box 14 is mounted on the support assembly, a filter box 13 is mounted on the collection box 14, a top cover 11 is mounted on the top of the filter box 13, a filter screen 29 is mounted on one end of the filter box 13, and an insertion rod 30 is mounted on the top cover 11. The collection box 14 has a slot that cooperates with the insertion rod 30. A limit mechanism is slidably mounted on the support assembly. A first liquid addition pipe 12 is mounted on the top cover 11. An extraction mechanism is mounted on the tray 1. A first delivery pump 4 is mounted on the tray 1. The input end of the first delivery pump 4 is connected to the collection box 14 through a first liquid inlet pipe 5. The output end of pump 4 is connected to the extraction mechanism through the first delivery pipe 19. A separation mechanism is installed on the support plate 1. A second delivery pump 18 is installed on the support plate 1. The input end of the second delivery pump 18 is connected to the extraction mechanism through the second inlet pipe 23. The output end of the second delivery pump 18 is connected to the separation mechanism through the second delivery pipe 24. The extraction mechanism includes an extraction tank 15, a support ring 16, a bottom rod 17, a second liquid addition pipe 20, and a pipe cap 21. The extraction tank 15 is provided on the support plate 1. The support ring 16 is installed on the extraction tank 15. The bottom of the support ring 16 is connected to the support plate 1 through multiple bottom rods 17. A stirring mechanism is installed on the extraction tank 15. The second liquid addition pipe 20 is installed on the top of the extraction tank 15. The pipe cap 21 is threaded onto the second liquid addition pipe 20. The output end of the first delivery pump 4 is connected to the extraction tank 15 through the first delivery pipe 19. The stirring mechanism includes a motor 22 and a stirring rod 34. The motor 22 is installed on the extraction tank 15, and the stirring rod 34 is installed on the output end of the motor 22. The separation mechanism includes a separator 25, a second support frame 27, a support rod 28, and a solenoid valve 26. The separator 25 is provided on the tray 1, and the second support frame 27 is installed on the separator 25. The bottom of the second support frame 27 is connected to the tray 1 through the support rod 28. The solenoid valve 26 is installed on the separator 25. The second delivery pump 18 is installed on the tray 1. The input end of the second delivery pump 18 is connected to the extraction tank 15 through the second inlet pipe 23, and the output end of the second delivery pump 18 is connected to the extraction tank 15 through the second delivery pipe 24. The separator 25 is connected to the slot by a plug rod 30. Pulling the connecting block 10 allows the plug rod 30 to be pulled out of the slot, enabling the removal and cleaning of the filter screen 29 to prevent clogging and ensure filtration efficiency. Salt lake brine is added to the collection tank 14, where impurities and sediment are filtered out by the filter screen 29. The filtered brine falls into the collection tank 14. The first delivery pump 4 is started to transport the brine from the collection tank 14 to the extraction tank 15. Adsorbent is added to the extraction tank 15 through the second liquid addition pipe 20. The motor 22 is started to drive the stirring rod 34 to mix the brine and adsorbent. The second delivery pump 18 is started to transport the mixed brine from the extraction tank 15 to the separator 25 for separation, enabling lithium extraction through adsorption.

[0027] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the support assembly includes a first support frame 2 and support legs 3. The first support frame 2 is installed on the collection box 14. The bottom of the first support frame 2 is connected to the tray 1 through multiple support legs 3. By setting the first support frame 2 and support legs 3, the collection box 14 can be supported. The limiting mechanism includes a base plate 6, a support rod 8, and a mounting block 9. The base plate 6 is slidably installed on the first support frame 2. The support rod 8 is installed on the base plate 6. One end of the support rod 8 is installed with a mounting block 9. Multiple connecting blocks 10 are installed on the top cover 11. The connecting blocks 10 have mounting grooves that cooperate with the mounting blocks 9. The mounting blocks 9 are T-shaped mounting blocks, and the mounting grooves are T-shaped mounting grooves. By setting the support rod 8 and sliding the base plate 6, the mounting blocks 9 are slid into the mounting grooves, which can limit the installation of the top cover 11 and the filter screen 29. A slider 7 is installed at the bottom of the 6. A groove is provided on the first support frame 2 to cooperate with the slider 7. The slider 7 is a T-shaped slider and the groove is a T-shaped groove. A locking mechanism is installed on the slider 7. By setting the slider 7 to slide in the groove, the mounting block 9 can be easily slid out of the mounting groove or slid into the mounting groove. By setting the slider 7 to be a T-shaped slider and cooperating with the T-shaped groove, the support rod 8 can be limited. The locking mechanism includes a cavity, a spring 33 and a locking ball 32. The slider 7 is provided with a spring 33. A locking ball 32 is installed at one end of the spring 33. A groove is provided on the first support frame 2 to cooperate with the locking ball 32. By setting the locking ball 32 to engage with the groove, the sliding bottom plate 6 can be limited, thereby limiting the installed connecting rod 31.

[0028] In this embodiment, as Figures 1-7 As shown in the figure, the working process of the lithium extraction device from salt lake brine provided in this embodiment is as follows:

[0029] Step 1: Add the brine from the salt lake to the collection tank 14. Filter impurities and silt through the filter screen 29. The filtered brine falls into the collection tank 14. Start the first delivery pump 4 to deliver the brine from the collection tank 14 to the extraction tank 15. Add adsorbent to the extraction tank 15 through the second liquid addition pipe 20. Start the motor 22 to drive the stirring rod 34 to mix the brine and adsorbent. Start the second delivery pump 18 to deliver the mixed brine from the extraction tank 15 to the separator 25 for separation and lithium extraction.

[0030] Step 2: When it is necessary to disassemble and clean the connecting rod 31, slide the support rod 8, slide the slider 7 in the groove, slide the ball 32 out of the groove, slide the mounting block 9 out of the mounting slot, pull the top cover 11, and pull the insertion rod 30 out of the slot to disassemble and clean the filter screen 29.

[0031] In summary, in this embodiment, the brine adsorption lithium extraction device of this embodiment, by setting the insertion rod 30 to engage with the slot, pulling the connecting block 10, the insertion rod 30 can be pulled out of the slot, allowing for the disassembly and cleaning of the filter screen 29, preventing the filter screen 29 from becoming clogged and affecting the filtration effect. Brine is added to the collection tank 14, and impurities and sediment are filtered through the filter screen 29. The filtered brine falls into the collection tank 14. The first delivery pump 4 starts to transport the brine in the collection tank 14 to the extraction tank 15. Adsorbent is added to the extraction tank 15 through the second liquid addition pipe 20. The motor 22 starts, driving the stirring rod 34 to mix the brine and adsorbent. The second delivery pump 18 starts to transfer the brine from the extraction tank to the extraction tank. The mixed brine from step 15 is transported to separator 25 for separation, which can perform adsorption and lithium extraction. The collection box 14 can be supported by the first support frame 2 and the support leg 3. The mounting block 9 can be slid into the mounting groove by the support rod 8 and the sliding base plate 6, which can limit the installation of the top cover 11 and the filter screen 29. The mounting block 9 can be slidably slid out of the mounting groove or slid into the mounting groove by the slider 7. The support rod 8 can be limited by the T-shaped slider 7 and the T-shaped sliding groove. The sliding base plate 6 can be limited by the locking ball 32 and the locking groove, which in turn limits the installation of the connecting rod 31.

[0032] The above description is only a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the scope disclosed by the present utility model, based on the technical solution and concept of the present utility model, shall fall within the protection scope of the present utility model.

Claims

1. A device for lithium extraction from salt lake brine by adsorption, characterized in that, The utility model provides a kind of extraction device, including support plate (1) and the support component installed on the support plate (1), the support component is installed with collection box (14), the collection box (14) is installed with filter box (13), the top of the filter box (13) is installed with top cover (11), the top cover (11) is installed with filter box (13), one end of the filter box (13) is installed with filter screen (29), the top cover (11) is installed with inserting rod (30), the collection box (14) is opened with the insertion slot of the inserting rod (30) interoperation, the support component is slidably installed with limiting mechanism, the top cover (11) is installed with first liquid feeding pipe (12), the support plate (1) is installed with extraction mechanism, the support plate (1) is installed with first delivery pump (4), the input end of the first delivery pump (4) is connected the collection box (14) by first liquid inlet pipe (5), the output end of the first delivery pump (4) is connected the extraction mechanism by first delivery pipe (19), the support plate (1) is installed with separation mechanism, the support plate (1) is installed with second delivery pump (18), the input end of the second delivery pump (18) is connected the extraction mechanism by second liquid inlet pipe (23), the output end of the second delivery pump (18) is connected the separation mechanism by second delivery pipe (24).

2. The device for lithium extraction from salt lake brine by adsorption according to claim 1, characterized in that, The support component includes first support frame (2) and support leg (3), the first support frame (2) is installed on the collection box (14), and the bottom of the first support frame (2) is connected to the support plate (1) by a plurality of support legs (3).

3. The device for lithium extraction from salt lake brine by adsorption according to claim 2, characterized in that, The limiting mechanism includes bottom plate (6), supporting rod (8) and mounting block (9), the bottom plate (6) is slidably installed on the first support frame (2), the supporting rod (8) is installed on the bottom plate (6), one end of the supporting rod (8) is installed with the mounting block (9), a plurality of connecting blocks (10) are installed on the top cover (11), the connecting blocks (10) are opened with the mounting grooves interoperation, the mounting block (9) is T-shaped mounting block, and the mounting groove is T-shaped mounting groove.

4. The device for lithium extraction from salt lake brine by adsorption according to claim 3, characterized in that, The bottom of the bottom plate (6) is installed with a sliding block (7), and the first support frame (2) is opened with the sliding slot interoperation, the sliding block (7) is T-shaped sliding block, the sliding slot is T-shaped sliding slot, and the sliding block (7) is installed with the clamping mechanism.

5. The apparatus for lithium extraction from salt lake brine by adsorption according to claim 4, characterized in that, The clamping mechanism includes cavity, spring (33) and clamping ball (32), the sliding block (7) is opened with spring (33), one end of the spring (33) is installed with clamping ball (32), and the first support frame (2) is opened with the clamping groove interoperation.

6. The apparatus for lithium extraction from salt lake brine by adsorption according to claim 1, characterized in that, Said extraction mechanism includes extraction box (15), support ring (16), bottom bar (17), second liquid adding pipe (20) and pipe cover (21), the tray (1) is provided with extraction box (15), the extraction box (15) is installed with support ring (16), the bottom of support ring (16) is connected tray (1) through a plurality of bottom bars (17), the extraction box (15) is installed with stirring mechanism, the top of extraction box (15) is installed with second liquid adding pipe (20), the second liquid adding pipe (20) is threadedly connected with pipe cover (21), the output end of first conveying pump (4) is connected extraction box (15) through first conveying pipe (19).

7. The apparatus for lithium extraction from salt lake brine by adsorption according to claim 6, characterized in that, Said stirring mechanism includes motor (22) and stirring rod (34), the extraction box (15) is installed with motor (22), the output end of motor (22) is installed with stirring rod (34).

8. The apparatus for lithium extraction from salt lake brine by adsorption according to claim 7, characterized in that, Said separation mechanism includes separator (25), second support frame (27), support rod (28) and electromagnetic valve (26), the tray (1) is provided with separator (25), the separator (25) is installed with second support frame (27), the bottom of second support frame (27) is connected tray (1) through support rod (28), the separator (25) is installed with electromagnetic valve (26), the tray (1) is installed with second conveying pump (18), the input end of second conveying pump (18) is connected extraction box (15) through second liquid inlet pipe (23), the output end of second conveying pump (18) is connected separator (25) through second conveying pipe (24).