Continuous hydrogenation device for lithium carbonate

Abstract

The continuous lithium carbonate hydrogenation device comprises a reaction box, a first motor is arranged on one side of the reaction box, an output shaft of the first motor penetrates through the reaction box and is connected with a threaded rod, the outer surface of the threaded rod is in threaded connection with a wedge-shaped block, a slot and an opening are formed in the two sides of the inner wall of the reaction box respectively, and the wedge-shaped block is in threaded connection with the wedge-shaped block. And when the wedge-shaped block moves to the side close to the motor, the wedge-shaped block can move into the open groove, a connecting rod is rotationally connected to the interior of the opening, the outer surface of the connecting rod is sleeved with a sealing plate, and an electromagnet is clamped to one side of the sealing plate. After lithium carbonate hydrogenation is finished, sediments deposited at the bottom of the inner wall of the reaction box can be automatically cleaned and collected in the collecting box, so that the situation that the sediments in the device are not cleaned thoroughly, the subsequent lithium carbonate hydrogenation work is influenced by residual impurities, and the quality of the hydrogenated lithium carbonate is reduced is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium carbonate hydrogenation, in particular to a lithium carbonate continuous hydrogenation device. Background Art

[0002] Industrial-grade lithium carbonate is purified by hydrogenating lithium carbonate to dissolve it in water, then adding the corresponding precipitant to precipitate the corresponding impurities, which are removed by filtration. The filtrate is subjected to ion exchange or thermal decomposition to obtain high-purity lithium carbonate.

[0003] When the existing lithium carbonate hydrogenation device hydrogenates lithium carbonate, the lithium carbonate will dissolve in water, and then adding a corresponding precipitant to the water containing the lithium carbonate will cause the corresponding impurities to precipitate in the device. Since the device is usually a sealed structure, it is inconvenient to clean the impurities precipitated at the bottom of the device. The residual impurities are likely to affect the subsequent lithium carbonate hydrogenation work and reduce the quality of the lithium carbonate after hydrogenation.

[0004] Therefore, it is necessary to provide a lithium carbonate continuous hydrogenation device to solve the above technical problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a lithium carbonate continuous hydrogenation device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lithium carbonate continuous hydrogenation device, comprising a reaction box, a motor 1 is arranged on one side of the reaction box, the output shaft of the motor 1 passes through the reaction box and is connected to a threaded rod, a wedge block is threadedly connected to the outer surface of the threaded rod, and grooves and openings are respectively provided on both sides of the inner wall of the reaction box. When the wedge block moves to the side close to the motor, it will move to the inside of the groove, and a connecting rod is rotatably connected to the inside of the opening. A sealing plate is sleeved on the outer surface of the connecting rod, an electromagnet is embedded on one side of the sealing plate, and a permanent magnet is embedded on one side of the inner wall of the opening. A sealing member is provided between the top of the sealing plate and the top of the opening, and a stirring assembly is provided inside the reaction box.

[0007] As a further description of the above technical solution:

[0008] A collecting box is arranged at the bottom of the reaction box and on one side of the opening, and a water injection pipe is fixedly connected to one side of the reaction box.

[0009] As a further description of the above technical solution:

[0010] The stirring assembly comprises a rotating rod rotatably connected to the inside of the reaction box, and the outer surface of the rotating rod is sleeved with a stirring frame, which can fully stir and mix the materials in the reaction box.

[0011] As a further description of the above technical solution:

[0012] A second motor for driving the rotating rod to rotate is arranged on the top of the reaction box, and an output end of the second motor is fixedly connected to one end of the rotating rod.

[0013] As a further description of the above technical solution:

[0014] The top of the reaction box is connected to a storage box via a bracket, the bottom of the storage box is fixedly connected to a material injection pipe, and a solenoid valve 1 is arranged on the material injection pipe.

[0015] As a further description of the above technical solution:

[0016] A fixing frame is fixedly connected to one side of the reaction box, a carbon dioxide tank is arranged on the fixing frame, an opening is opened at the bottom of the fixing frame, a gas injection pipe is arranged at the bottom of the carbon dioxide tank, a pump body is arranged on the gas injection pipe, one end of the gas injection pipe passes through and extends to the interior of the reaction box, a plurality of gas injection holes are opened at one end of the gas injection pipe located inside the reaction box, and filter screens are arranged inside the plurality of gas injection holes, and the filter screens are arranged to prevent sediment from falling into the gas injection holes and causing blockage of the gas injection holes.

[0017] As a further description of the above technical solution:

[0018] The top and bottom of the reaction box are respectively fixedly connected with a feeding pipe and a feeding pipe, the interior of the feeding pipe is fixedly connected with a filter plate, and a second solenoid valve is arranged on the feeding pipe.

[0019] The utility model has the following beneficial effects:

[0020] 1. Compared with the prior art, the lithium carbonate continuous hydrogenation device, through the arrangement of threaded rods, wedge blocks, openings, sealing plates, electromagnets and permanent magnets, can automatically clean up the sediments deposited at the bottom of the inner wall of the reaction box after the lithium carbonate hydrogenation is completed, and collect them inside the collection box, thereby avoiding the residual impurities that affect the subsequent lithium carbonate hydrogenation work and reduce the quality of the lithium carbonate after hydrogenation due to the unclean cleaning of the sediments in the device.

[0021] 2. Compared with the prior art, the lithium carbonate continuous hydrogenation device can fully stir and mix lithium carbonate, water, carbon dioxide and precipitant during the hydrogenation of lithium carbonate by setting a stirring component, thereby improving the hydrogenation effect and precipitation work of lithium carbonate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a three-dimensional schematic diagram of the overall structure of a lithium carbonate continuous hydrogenation device proposed by the utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of a reaction box of a lithium carbonate continuous hydrogenation device proposed in the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the opening and connecting rod of a lithium carbonate continuous hydrogenation device proposed by the utility model;

[0025] Figure 4 for Figure 3 A in the enlarged view;

[0026] Figure 5 This is a structural schematic diagram of a storage box and a solenoid valve of a lithium carbonate continuous hydrogenation device proposed by the utility model.

[0027] Legend:

[0028] 1. Reaction box; 2. Motor 1; 3. Threaded rod; 4. Wedge block; 5. Slot; 6. Opening; 7. Connecting rod; 8. Sealing plate; 9. Electromagnet; 10. Permanent magnet; 11. Seal; 12. Collecting box; 13. Water injection pipe; 14. Rotating rod; 15. Stirring frame; 16. Motor 2; 17. Bracket; 18. Storage box; 19. Injection pipe; 20. Solenoid valve 1; 21. Fixed frame; 22. Carbon dioxide tank; 23. Opening; 24. Gas injection pipe; 25. Pump body; 26. Gas injection hole; 27. Filter screen; 28. Feeding pipe; 29. ​​Discharging pipe; 30. Filter plate; 31. Solenoid valve 2. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 1-5The utility model provides a lithium carbonate continuous hydrogenation device: comprising a reaction box 1, a motor 2 is arranged on one side of the reaction box 1, the output shaft of the motor 2 passes through the reaction box 1 and is connected with a threaded rod 3, the outer surface of the threaded rod 3 is threadedly connected with a wedge block 4, slots 5 and openings 6 are respectively provided on both sides of the inner wall of the reaction box 1, a connecting rod 7 is rotatably connected inside the opening 6, a sealing plate 8 is sleeved on the outer surface of the connecting rod 7, an electromagnet 9 is embedded on one side of the sealing plate 8, a permanent magnet 10 is embedded on one side of the inner wall of the opening 6, a sealing member 11 is arranged between the top of the sealing plate 8 and the top of the opening 6, a stirring assembly is arranged inside the reaction box 1, a collecting box 12 is arranged at the bottom of the reaction box 1 and on one side of the opening 6, and a water injection pipe 13 is fixedly connected to one side of the reaction box 1.

[0031] The stirring assembly includes a rotating rod 14 rotatably connected to the inside of the reaction box 1, and the outer surface of the rotating rod 14 is sleeved with a stirring frame 15. The top of the reaction box 1 is provided with a motor 16 for driving the rotating rod 14 to rotate, and the output end of the motor 16 is fixedly connected to one end of the rotating rod 14. Through the setting of the stirring assembly, the water, lithium carbonate and carbon dioxide in the reaction box 1 can be fully stirred, thereby improving the reaction effect of lithium carbonate in the reaction box 1.

[0032] The top of the reaction box 1 is connected to a storage box 18 via a bracket 17. The bottom of the storage box 18 is fixedly connected to a material injection pipe 19, on which a solenoid valve 20 is provided. The storage box 18 is internally placed with a corresponding precipitant.

[0033] A fixing frame 21 is fixedly connected to one side of the reaction box 1, a carbon dioxide tank 22 is arranged on the fixing frame 21, an opening 23 is opened at the bottom of the fixing frame 21, a gas injection pipe 24 is arranged at the bottom of the carbon dioxide tank 22, a pump body 25 is arranged on the gas injection pipe 24, one end of the gas injection pipe 24 passes through and extends to the interior of the reaction box 1, a plurality of gas injection holes 26 are opened at one end of the gas injection pipe 24 located inside the reaction box 1, and filter screens 27 are arranged inside the plurality of gas injection holes 26, a feeding pipe 28 and a feeding pipe 29 are fixedly connected to the top and bottom of the reaction box 1 respectively, a filter plate 30 is fixedly connected to the interior of the feeding pipe 29, and a solenoid valve 31 is arranged on the feeding pipe 29.

[0034] Working principle: When in use, add lithium carbonate that needs to be hydrogenated into the reaction box 1 through the feeding pipe 28, and inject a proper amount of water into the reaction box 1 through the water injection pipe 13, then start the pump body 25 to transport the gas in the carbon dioxide tank 22 to the reaction box 1 through the gas injection pipe 24 and the gas injection hole 26, and start the motor 16 to drive the rotating rod 14 to rotate, thereby driving the stirring frame 15 to rotate, so as to fully stir and mix the water, lithium carbonate and carbon dioxide, so that the lithium carbonate can be fully reacted, and then start the solenoid valve 120, so that the precipitant in the storage box 18 is transported to the reaction box 1 through the feeding pipe 19, and the precipitant is fully mixed with water, carbon dioxide and lithium carbonate under the stirring action of the stirring frame 15, so that it can perform precipitation work more effectively. When the lithium carbonate is hydrogenated and precipitated, start the solenoid valve 231, and the lithium carbonate is easily discharged through the discharge pipe 29, and filtered through the filter plate 30 to prevent the precipitate from being discharged together;

[0035] After the lithium carbonate solution in the reaction box 1 is discharged, the motor 2 is started to drive the threaded rod 3 to rotate, thereby driving the wedge block 4 to move toward the opening 6, and the sediment deposited on the bottom of the inner wall of the reaction box 1 is scraped off by the moving wedge block 4. When the wedge block 4 moves to one side of the sealing plate 8, the electromagnet 9 is turned off so that it is no longer magnetic and is disconnected from the permanent magnet 10. The sealing plate 8 is pushed open by the moving wedge block 4, and the sediment is pushed into the collection box 12 through the opening 6. Then the motor 2 is started to reverse, so that the wedge block 4 moves away from the opening 6, so that the wedge block 4 no longer pushes the sealing plate 8, and the sealing plate 8 returns to its original position, and the electromagnet 9 is started again, so that the electromagnet 9 is connected to the permanent magnet 10 under the action of magnetic force. When the wedge block 4 returns to the slot 5, the hydrogenation of lithium carbonate can be started again.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium carbonate continuous hydrogenation device, comprising a reaction box (1), characterized in that: A motor (2) is provided on one side of the reaction box (1); an output shaft of the motor (2) passes through the reaction box (1) and is connected to a threaded rod (3); a wedge block (4) is threadedly connected to the outer surface of the threaded rod (3); a groove (5) and an opening (6) are respectively provided on both sides of the inner wall of the reaction box (1); a connecting rod (7) is rotatably connected to the inside of the opening (6); a sealing plate (8) is sleeved on the outer surface of the connecting rod (7); an electromagnet (9) is embedded on one side of the sealing plate (8); a permanent magnet (10) is embedded on one side of the inner wall of the opening (6); a sealing member (11) is provided between the top of the sealing plate (8) and the top of the opening (6); and a stirring assembly is provided inside the reaction box (1).

2. A lithium carbonate continuous hydrogenation device according to claim 1, characterized in that: A collecting box (12) is provided at the bottom of the reaction box (1) and on one side of the opening (6), and a water injection pipe (13) is fixedly connected to one side of the reaction box (1).

3. A lithium carbonate continuous hydrogenation device according to claim 1, characterized in that: The stirring assembly comprises a rotating rod (14) rotatably connected to the interior of the reaction box (1), and a stirring frame (15) is sleeved on the outer surface of the rotating rod (14).

4. A lithium carbonate continuous hydrogenation device according to claim 3, characterized in that: A second motor (16) for driving the rotating rod (14) to rotate is arranged on the top of the reaction box (1), and an output end of the second motor (16) is fixedly connected to one end of the rotating rod (14).

5. A lithium carbonate continuous hydrogenation device according to claim 1, characterized in that: The top of the reaction box (1) is connected to a storage box (18) via a bracket (17), and the bottom of the storage box (18) is fixedly connected to a material injection pipe (19), and a solenoid valve (20) is provided on the material injection pipe (19).

6. A lithium carbonate continuous hydrogenation device according to claim 1, characterized in that: A fixing frame (21) is fixedly connected to one side of the reaction box (1), a carbon dioxide tank (22) is arranged on the fixing frame (21), an opening (23) is provided at the bottom of the fixing frame (21), a gas injection pipe (24) is provided at the bottom of the carbon dioxide tank (22), a pump body (25) is provided on the gas injection pipe (24), one end of the gas injection pipe (24) penetrates and extends to the inside of the reaction box (1), a plurality of gas injection holes (26) are provided at one end of the gas injection pipe (24) located inside the reaction box (1), and a filter screen (27) is provided inside each of the plurality of gas injection holes (26).

7. A lithium carbonate continuous hydrogenation device according to claim 1, characterized in that: The top and bottom of the reaction box (1) are respectively fixedly connected with a feed pipe (28) and a feed pipe (29), the interior of the feed pipe (29) is fixedly connected with a filter plate (30), and a second solenoid valve (31) is provided on the feed pipe (29).

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