Carbonization lithium precipitation device

Abstract

The utility model relates to the technical field of lithium precipitation, and provides a carbonization lithium precipitation device which comprises a reaction kettle, a feeding barrel, a filtering box, a gas cylinder, a stirring barrel, a reaction mechanism, a filtering mechanism and a feeding mechanism, the feeding barrel is communicated with the top end of the reaction kettle, the filtering box is connected with the bottom end of the reaction kettle, a discharging opening and a water discharging opening are formed in the filtering box, and the gas cylinder is connected with the stirring barrel. The output end of the gas cylinder is communicated with the reaction kettle, the stirring barrel is arranged at the position of the reaction kettle, the reaction mechanism is arranged on the reaction kettle and used for carrying out mixed reaction on lithium hydroxide and carbon dioxide, the filtering mechanism is arranged on the filtering box, and the feeding mechanism is arranged on the feeding barrel and used for carrying out feeding operation on the lithium hydroxide. The problems that in the prior art, lithium hydroxide and carbon dioxide need to continuously react for a period of time to be discharged, so that the time needed by the whole lithium precipitation process is long, continuous reaction discharging is difficult to carry out, and the lithium precipitation efficiency is reduced are solved.

Description

Technical Field

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

[0002] Lithium carbonate is the most important lithium salt among lithium compounds and the main raw material for the preparation of high-purity lithium compounds and lithium alloys. It is currently widely used in glass and ceramic manufacturing, medicine, non-ferrous metal smelting, lithium battery electrode materials and other fields.

[0003] The reaction of lithium hydroxide and carbon dioxide is a chemical reaction widely used in the chemical industry. In this reaction, lithium hydroxide (LiOH) and carbon dioxide (CO2) react to produce potassium carbonate (Li2C03) and water (H20). Potassium carbonate (Li2C03) and water (H20) are then separated to obtain potassium carbonate (Li2C03). The separated potassium carbonate (Li2C03) can be used as a battery raw material.

[0004] When the existing potassium carbonate (Li2C03) is produced, lithium hydroxide is slowly added to the reactor, and then the reactor is filled with carbon dioxide to react with lithium hydroxide. The lithium hydroxide and carbon dioxide need to continue to react for a period of time before they can be discharged. This also results in the entire lithium precipitation process taking a long time, making it difficult to carry out continuous reaction and discharging, reducing the efficiency of lithium precipitation. Utility Model Content

[0005] The utility model proposes a carbonization lithium precipitation device, which solves the problem in the related art that lithium hydroxide and carbon dioxide need to react continuously for a period of time before they can be discharged, which also leads to a long time required for the entire lithium precipitation process, making it difficult to carry out continuous reaction and discharging, thereby reducing the efficiency of lithium precipitation.

[0006] The technical scheme of the utility model is as follows: a carbonization lithium precipitation device comprises: a reaction kettle, a feed barrel, a filter box, a gas cylinder, a stirring barrel, a reaction mechanism, a filter mechanism and a feed mechanism;

[0007] The feed barrel is connected to the top of the reactor;

[0008] The filter box is connected to the barrel at the bottom of the reactor, and a discharge port and a drain port are provided on the filter box;

[0009] The output end of the gas cylinder is connected to the reactor;

[0010] The stirring barrel is arranged at the reactor;

[0011] The reaction mechanism is arranged on the reaction kettle and is used for mixing and reacting lithium hydroxide and carbon dioxide;

[0012] The filtering mechanism is arranged on the filtering box and is used to separate potassium carbonate and water;

[0013] The feeding mechanism is arranged on the feeding barrel and is used for feeding lithium hydroxide.

[0014] Preferably, the reaction mechanism comprises: a first valve, a second valve, a mixing paddle, a first motor, a heating wire and a pressure gauge;

[0015] The first valve is arranged between the feed barrel and the reactor;

[0016] The second valve is arranged between the reaction kettle and the filter box;

[0017] The mixing paddle is arranged in the reaction kettle;

[0018] The first motor is arranged on the reactor, and the output end of the first motor passes through the reactor and is fixedly connected to the mixing paddle;

[0019] The heating wire is arranged on the reaction kettle;

[0020] The pressure gauge is arranged on the reaction kettle.

[0021] Furthermore, the filtering mechanism comprises: a filtering plate, a discharging plate, a second motor and a discharging assembly;

[0022] The filter plate is fixedly connected in the filter box;

[0023] The discharge plate is rotatably connected in the filter box;

[0024] The second motor is arranged on the filter box, and the output end of the second motor passes through the filter box and is fixedly connected to the discharge plate;

[0025] The discharging component is arranged at the discharging port and is used for controlling the discharging of potassium carbonate.

[0026] Furthermore, the feeding mechanism includes: a stirring paddle, a third motor and a discharge pump;

[0027] The stirring paddle is rotatably connected in the stirring barrel;

[0028] The third motor is arranged on the stirring barrel, and the output end of the third motor passes through the stirring barrel and is fixedly connected to the stirring paddle;

[0029] The discharge pump is arranged on the stirring barrel, the input end of the discharge pump is communicated with the stirring barrel, and the output end of the discharge pump is communicated with the stirring barrel.

[0030] As a further solution of the present application, the discharging assembly includes: a baffle, a fixing frame and a first electric cylinder;

[0031] The baffle is arranged at the discharge port;

[0032] The fixing frame is fixedly connected to the discharge port;

[0033] The first electric cylinder is arranged on a fixing frame, and an output end of the first electric cylinder passes through the fixing frame and is fixedly connected to the baffle.

[0034] As a further solution of the present application, a guide plate is fixedly connected to the discharge port.

[0035] The working principle and beneficial effects of the utility model are:

[0036] 1. In the utility model, water and lithium hydroxide are added into a stirring barrel, and a third motor provided on the stirring barrel drives a stirring paddle to rotate, so that the water and lithium hydroxide are uniformly mixed, and the lithium hydroxide solution is extracted by a discharge pump and transported into a feed barrel for preparation.

[0037] 2. In the utility model, carbon dioxide is delivered into the reactor through a gas cylinder, and the delivery amount of carbon dioxide is confirmed by observing the pressure gauge. Then the operator opens the first valve to allow the lithium hydroxide solution to fall into the reactor, and the first motor provided on the reactor drives the mixing paddle to rotate, so that the lithium hydroxide solution and the carbon dioxide are fully mixed, and the reactor is heated by the heating wire, so that the lithium hydroxide solution and the carbon dioxide are fully reacted.

[0038] 3. In the utility model, after the reaction, the operator turns the second valve to allow potassium carbonate and water to fall into the filter box, and the potassium carbonate and water are separated by filtering through the filter plate, and the discharge plate is driven to rotate by the second motor. When the potassium carbonate is discharged, the baffle is driven to be recovered by the first electric cylinder arranged on the fixed frame to open the discharge port, thereby pushing the potassium carbonate remaining on the filter plate to the discharge port for discharge operation.

[0039] 4. In the utility model, through the coordination among the reaction kettle, the feed barrel, the filter box, the gas cylinder, the stirring barrel, the reaction mechanism, the filter mechanism and the feed mechanism, the lithium hydroxide solution and the carbon dioxide can be reacted continuously, the reaction speed can be accelerated, the potassium carbonate can be discharged continuously, and the efficiency of lithium precipitation can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0041] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0042] Figure 2 It is a structural schematic diagram of the utility model from another angle;

[0043] Figure 3 It is a schematic diagram of the structure of the utility model in cross section;

[0044] Figure 4 For this utility model Figure 3 Schematic diagram of the partially enlarged structure at point A in the middle.

[0045] In the figure: 1. Reactor; 2. Feed barrel; 3. Filter box; 4. Gas cylinder; 5. Stirring barrel; 6. First valve; 7. Second valve; 8. Mixing paddle; 9. First motor; 10. Heating wire; 11. Pressure gauge; 12. Filter plate; 13. Discharge plate; 14. Second motor; 15. Stirring paddle; 16. Third motor; 17. Discharge pump; 18. Baffle; 19. Fixed frame; 20. First electric cylinder; 21. Guide plate. DETAILED DESCRIPTION

[0046] The following will be combined with 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 of 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.

[0047] like Figure 1~Figure 4 As shown, this embodiment proposes a carbonization lithium precipitation device, including: a reactor 1, a feed barrel 2, a filter box 3, a gas cylinder 4, a stirring barrel 5, a reaction mechanism, a filtering mechanism and a feeding mechanism, the feed barrel 2 is connected to the top of the reactor 1, the filter box 3 is connected to the bottom of the reactor 1, the filter box 3 is provided with a discharge port and a drain port, the discharge port is fixedly connected with a guide plate 21, the output end of the gas cylinder 4 is connected to the reactor 1, and the stirring barrel 5 is arranged at the reactor 1. Through the cooperation between the reactor 1, the feed barrel 2, the filter box 3, the gas cylinder 4, the stirring barrel 5, the reaction mechanism, the filtering mechanism and the feeding mechanism, the lithium hydroxide solution can react continuously with the carbon dioxide, the reaction speed can be accelerated, the potassium carbonate can be continuously discharged, and the efficiency of lithium precipitation is improved.

[0048] Wherein, the reaction mechanism is arranged on the reactor 1, and is used for mixing reaction of lithium hydroxide and carbon dioxide. The reaction mechanism includes: a first valve 6, a second valve 7, a mixing paddle 8, a first motor 9, a heating wire 10 and a pressure gauge 11. The first valve 6 is arranged between the feed barrel 2 and the reactor 1, the second valve 7 is arranged between the reactor 1 and the filter box 3, the mixing paddle 8 is arranged in the reactor 1, the first motor 9 is arranged on the reactor 1, the output end of the first motor 9 passes through the reactor 1 and is fixedly connected with the mixing paddle 8, the heating wire 10 is arranged on the reactor 1, and the pressure gauge 11 is arranged on the reactor 1. Specifically, carbon dioxide is transported into the reactor 1 through the gas cylinder 4, and the transport amount of carbon dioxide is confirmed by observing the pressure gauge 11. Then the operator opens the first valve 6 to make the lithium hydroxide solution fall into the reactor 1, and drives the mixing paddle 8 to rotate through the first motor 9 arranged on the reactor 1, so that the lithium hydroxide solution and the carbon dioxide are fully mixed, and the reactor 1 is heated by the heating wire 10, so that the lithium hydroxide solution and the carbon dioxide react fully.

[0049] Wherein, the filtering mechanism is arranged on the filter box 3, and is used to separate potassium carbonate and water. The filtering mechanism includes: a filter plate 12, a discharge plate 13, a second motor 14 and a discharge assembly. The filter plate 12 is fixedly connected in the filter box 3, and the discharge plate 13 is rotatably connected in the filter box 3. The second motor 14 is arranged on the filter box 3, and the output end of the second motor 14 passes through the filter box 3 and is fixedly connected to the discharge plate 13. The discharge assembly is arranged at the discharge port, and is used to control the discharge of potassium carbonate. The discharge assembly includes: a baffle 18, a fixing frame 19 and a first electric cylinder 20. The baffle 18 is arranged at the discharge port The fixing frame 19 is fixedly connected to the discharge port, the first electric cylinder 20 is arranged on the fixing frame 19, and the output end of the first electric cylinder 20 passes through the fixing frame 19 and is fixedly connected to the baffle 18. Specifically, the operator turns the second valve 7 to make potassium carbonate and water fall into the filter box 3, and the potassium carbonate and water are separated by filtering through the filter plate 12, and the discharge plate 13 is driven to rotate by the second motor 14. When potassium carbonate is discharged, the baffle 18 is driven to be recovered by the first electric cylinder 20 arranged on the fixing frame 19 to open the discharge port, so that the potassium carbonate remaining on the filter plate 12 is pushed to the discharge port for discharging operation.

[0050] Among them, the feeding mechanism is arranged on the feeding barrel 2, and is used for feeding lithium hydroxide. The feeding mechanism includes: a stirring paddle 15, a third motor 16 and a discharging pump 17. The stirring paddle 15 is rotatably connected in the stirring barrel 5. The third motor 16 is arranged on the stirring barrel 5. The output end of the third motor 16 passes through the stirring barrel 5 and is fixedly connected to the stirring paddle 15. The discharging pump 17 is arranged on the stirring barrel 5. The input end of the discharging pump 17 is connected to the stirring barrel 5, and the output end of the discharging pump 17 is connected to the stirring barrel 5. Specifically, water and lithium hydroxide are added to the stirring barrel 5, and the stirring paddle 15 is driven to rotate by the third motor 16 arranged on the stirring barrel 5, so that the water and lithium hydroxide are evenly mixed, and the lithium hydroxide solution is extracted and transported into the feeding barrel 2 by the discharging pump 17 for preparation.

[0051] In this embodiment, when the lithium hydroxide solution needs to react with the carbon dioxide, water and lithium hydroxide are added to the stirring barrel 5, and the stirring paddle 15 is driven to rotate by the third motor 16 provided on the stirring barrel 5, so that the water and lithium hydroxide are evenly mixed, and the lithium hydroxide solution is extracted and transported into the feed barrel 2 by the discharge pump 17, and the preparation is carried out, and the carbon dioxide is transported into the reactor 1 through the gas cylinder 4, and the delivery amount of the carbon dioxide is confirmed by observing the pressure gauge 11, and then the operator opens the first valve 6 to allow the lithium hydroxide solution to fall into the reactor 1, and the mixing paddle 8 is driven to rotate by the first motor 9 provided on the reactor 1, so that the lithium hydroxide solution and the carbon dioxide are fully mixed, and the heating wire 10 is used to heat the lithium hydroxide solution. The reactor 1 is heated to allow the lithium hydroxide solution to fully react with the carbon dioxide. After the reaction, the operator turns the second valve 7 to allow potassium carbonate and water to fall into the filter box 3, and the potassium carbonate and water are separated by filtering through the filter plate 12, and the discharge plate 13 is driven to rotate by the second motor 14. When the potassium carbonate is discharged, the baffle 18 is driven by the first electric cylinder 20 set on the fixed frame 19 to recover and open the discharge port, thereby pushing the potassium carbonate remaining on the filter plate 12 to the discharge port for discharging. It should also be noted that during the first wave of reaction, the lithium hydroxide solution continues to be stirred in the stirring barrel and transported into the feed barrel 2 for preparation. After the first wave of discharge, the second wave continues to enter the reactor 1 for reaction.

[0052] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 carbonization precipitation device, characterized in that: include: Reactor (1); A feed barrel (2), the feed barrel (2) being connected to the top of the reaction kettle (1); A filter box (3), wherein the filter box (3) is connected to a barrel at the bottom of the reaction kettle (1), and a discharge port and a drain port are provided on the filter box (3); A gas cylinder (4), the output end of the gas cylinder (4) being in communication with the reactor (1); A stirring barrel (5), the stirring barrel (5) being arranged at the reaction kettle (1); A reaction mechanism, the reaction mechanism being arranged on the reaction kettle (1) and being used for performing a mixed reaction on lithium hydroxide and carbon dioxide; A filtering mechanism, the filtering mechanism being arranged on the filtering box (3) and being used for separating potassium carbonate and water; A feeding mechanism, wherein the feeding mechanism is arranged on the feeding barrel (2) and is used for feeding lithium hydroxide.

2. The carbonization lithium precipitation device according to claim 1, characterized in that: The reaction mechanism comprises: a first valve (6), the first valve (6) being arranged between the feed barrel (2) and the reaction kettle (1); a second valve (7), the second valve (7) being arranged between the reaction kettle (1) and the filter box (3); A mixing paddle (8), the mixing paddle (8) being arranged in the reaction kettle (1); a first motor (9), the first motor (9) being arranged on the reaction kettle (1), the output end of the first motor (9) passing through the reaction kettle (1) and being fixedly connected to the mixing paddle (8); A heating wire (10), the heating wire (10) being arranged on the reaction kettle (1); A pressure gauge (11), wherein the pressure gauge (11) is arranged on the reaction kettle (1).

3. The carbonization lithium precipitation device according to claim 2, characterized in that: The filtering mechanism comprises: A filter plate (12), the filter plate (12) being fixedly connected in the filter box (3); A discharge plate (13), the discharge plate (13) being rotatably connected in the filter box (3); a second motor (14), the second motor (14) being arranged on the filter box (3), the output end of the second motor (14) passing through the filter box (3) and being fixedly connected to the discharge plate (13); A discharging component is arranged at the discharging port and is used to control the discharging of potassium carbonate.

4. The lithium carbonization precipitation device according to claim 3, characterized in that: The feeding mechanism comprises: A stirring paddle (15), the stirring paddle (15) being rotatably connected in the stirring barrel (5); a third motor (16), the third motor (16) being arranged on the stirring barrel (5), the output end of the third motor (16) passing through the stirring barrel (5) and being fixedly connected to the stirring paddle (15); A discharge pump (17), wherein the discharge pump (17) is arranged on the stirring barrel (5), an input end of the discharge pump (17) is connected to the stirring barrel (5), and an output end of the discharge pump (17) is connected to the stirring barrel (5).

5. The lithium carbonization precipitation device according to claim 4, characterized in that: The discharging assembly comprises: a baffle (18), wherein the baffle (18) is arranged at the discharge port; A fixing frame (19), wherein the fixing frame (19) is fixedly connected to the discharge port; A first electric cylinder (20), wherein the first electric cylinder (20) is disposed on the fixing frame (19), and an output end of the first electric cylinder (20) passes through the fixing frame (19) and is fixedly connected to the baffle (18).

6. The lithium carbonization precipitation device according to claim 5, characterized in that: A guide plate (21) is fixedly connected to the discharge port.

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