Lithium carbonate refining and purifying equipment with drying function
By introducing mixing, filtering, and heat preservation mechanisms into the lithium carbonate preparation process, the problems of uneven mixing and heat loss in traditional processes have been solved, achieving a highly efficient and energy-saving lithium carbonate preparation process and improving product purity and quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-03
AI Technical Summary
In traditional lithium carbonate preparation processes, uneven mixing of raw materials, low reaction efficiency, heat loss during drying, and residual impurities affect product purity and quality.
The lithium carbonate refining and purification equipment with drying function includes a mixing mechanism, a filtering mechanism, a heat preservation mechanism, and a discharge mechanism. The raw materials are mixed and stirred by a servo motor driven by an auger rod and a stirring rod. Combined with electric heating plate heating and filter screen filtration, and using ceramic fiber and rock wool layers for heat preservation, uniform heating and efficient filtration are achieved.
This improved the efficiency of lithium carbonate reaction preparation, enhanced product purity, reduced energy consumption, and enabled rapid discharge and energy-saving drying.
Smart Images
Figure CN224071165U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lithium carbonate purification technology, specifically to a lithium carbonate refining and purification device with a drying function. Background Technology
[0002] Lithium carbonate is an important inorganic compound widely used in batteries, ceramics, glass, metallurgy, and other fields. With the rapid development of the new energy industry, especially the widespread application of lithium-ion batteries, the demand for high-purity lithium carbonate is increasing. Traditional lithium carbonate preparation processes typically involve multiple steps, including raw material mixing, reaction, filtration, and drying. These steps often suffer from problems such as low efficiency, high energy consumption, and difficulty in guaranteeing purity.
[0003] In traditional lithium carbonate preparation processes, the mixing and reaction of raw materials usually rely on a simple motor to drive a stirring rod for stirring. This method is prone to uneven mixing and low reaction efficiency. In addition, heat loss and impurity residue during the drying process will also affect the purity and quality of the final product.
[0004] Therefore, a lithium carbonate refining and purification device with drying function is proposed. Utility Model Content
[0005] The technical problem to be solved by this utility model is as follows: In the traditional lithium carbonate preparation process, the mixing and reaction process usually relies on a simple motor to drive the stirring rod to rotate for stirring. This method is prone to uneven mixing and low reaction efficiency. In addition, the loss of heat and the residue of impurities during the drying process will also affect the purity and quality of the final product.
[0006] The objective of this utility model can be achieved through the following technical solutions:
[0007] A lithium carbonate refining and purification device with a drying function includes a purification kettle, a top cover snapped onto the top surface of the purification kettle, an A servo motor fixedly mounted on the top surface of the top cover, and a mixing mechanism fixedly mounted on the output end of the A servo motor; a filter mechanism is connected through the bottom of the outer surface of the purification kettle, a water pump is connected through one end of the filter mechanism, and a drying kettle is fixedly mounted on one side of the water pump; both the drying kettle and the purification kettle have cavities in their inner walls, a heating plate is fixedly mounted inside the cavity, a heat preservation mechanism is fixedly fitted onto the outer surface of the drying kettle, a hopper is fixedly mounted on the bottom surface of the drying kettle, a discharge mechanism is fixedly mounted on one side of the hopper, a cover plate snapped onto the top surface of the drying kettle, and a stirring mechanism is fixedly mounted on the top surface of the cover plate.
[0008] As a further embodiment of this utility model: the mixing mechanism includes an auger rod and a mixing rod. The top of the auger rod is fixedly disposed at the output end of servo motor A. The mixing rod consists of four groups arranged in a circular array and fixedly disposed at the bottom of the surface of the auger rod. Servo motor A is used to drive the auger rod to rotate.
[0009] As a further embodiment of this utility model: the filtration mechanism includes a filter screen and a liquid extraction pipe. The filter screen is fixedly disposed at the bottom of the outer surface of the purification vessel, and one end of the liquid extraction pipe is fixedly connected to the filter screen. The filter screen is used to filter impurities in the purification vessel.
[0010] As a further embodiment of this utility model: the discharge mechanism includes a B servo motor and a discharge auger. The B servo motor is fixedly installed on one side of the discharge hopper, and the discharge auger is fixedly connected to the output end of the B servo motor. The B servo motor is used to drive the discharge auger to rotate.
[0011] As a further embodiment of this utility model: the stirring mechanism includes a C-servo motor and a stirring rod. The C-servo motor is fixedly installed on the top surface of the cover plate, and the top of the stirring rod is fixedly disposed at the output end of the C-servo motor. The C-servo motor is used to drive the stirring rod to rotate.
[0012] As a further embodiment of this utility model: the heat preservation mechanism includes a ceramic fiber layer and a rock wool layer. The ceramic fiber layer is fixedly sleeved on the surface of the drying kettle, and the rock wool layer is fixedly sleeved on the surface of the ceramic fiber layer. The heat preservation mechanism reduces heat loss from the drying kettle.
[0013] As a further embodiment of this utility model: a temperature controller for controlling the heating temperature is electrically connected to one side of the heating plate, a dehumidification pipe is fixedly installed on one side of the top surface of the cover plate, a plug is snapped into the top of the dehumidification pipe, the output end of the water pump is installed through the inside of the drying kettle, and the dehumidification pipe facilitates the discharge of water vapor.
[0014] The beneficial effects of this utility model are:
[0015] 1. By setting up a mixing mechanism, the raw materials for lithium carbonate preparation and acidic solvent are put into the purification kettle. After the heating plate is energized, the raw materials in the purification kettle are heated. The A servo motor drives the auger rod and mixing rod to rotate. The auger rod can accelerate the exchange of raw materials between the upper and lower layers, and the mixing rod further mixes the raw materials, thereby improving the efficiency of lithium carbonate reaction preparation.
[0016] 2. With the addition of filtration and insulation mechanisms, after preparation, the water pump is turned on to extract the lithium-ion solution from the purification vessel and transport it to the drying vessel. The filter screen removes insoluble impurities, improving the purity of lithium carbonate. Sodium carbonate or lithium sodium bicarbonate is added to the drying vessel for carbonation. The heating plate heats and evaporates the lithium carbonate liquid in the drying vessel. The C-servo motor drives the stirring rod to rotate, ensuring uniform heating of the lithium carbonate liquid. After evaporation, solid lithium carbonate is obtained. The ceramic fiber layer and rock wool layer insulate the drying vessel, reducing heat loss and making the drying process more energy-efficient.
[0017] 3. Through the setting of the discharge mechanism, after the B servo motor is powered on, it drives the discharge auger to rotate, pushing the lithium carbonate solid prepared in the drying kettle out of the discharge hopper, achieving the effect of rapid discharge. Attached Figure Description
[0018] The present invention will be further described below with reference to the accompanying drawings.
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the hybrid mechanism structure of this utility model;
[0021] Figure 3 This is a schematic diagram of the drying kettle structure of this utility model;
[0022] Figure 4 This is a schematic diagram of the insulation mechanism of this utility model;
[0023] Figure 5 This is a schematic diagram of the material discharge mechanism of this utility model.
[0024] In the diagram: 1. Purification kettle; 2. Top cover; 3. Servo motor A; 4. Mixing mechanism; 401. Screw rod; 402. Mixing rod; 5. Filtration mechanism; 501. Filter screen; 502. Liquid extraction pipe; 6. Water pump; 7. Drying kettle; 8. Heating plate; 9. Insulation mechanism; 901. Ceramic fiber layer; 902. Rock wool layer; 10. Feed hopper; 11. Discharge mechanism; 1101. Servo motor B; 1102. Discharge screw; 12. Cover plate; 13. Stirring mechanism; 1301. Servo motor C; 1302. Stirring rod; 14. Exhaust pipe. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0026] like Figure 1-5 As shown, a lithium carbonate refining and purification device with a drying function includes a purification kettle 1, a top cover 2 attached to the top surface of the purification kettle 1, an A servo motor 3 fixedly installed on the top surface of the top cover 2, and a mixing mechanism 4 fixedly installed at the output end of the A servo motor 3. Through the mixing mechanism 4, lithium carbonate preparation raw materials and acidic solvents are put into the purification kettle 1. After the heating plate 8 is energized, the raw materials in the purification kettle 1 are heated. The A servo motor 3 drives the auger rod 401 and the mixing rod 402 to rotate. The auger rod 401 can accelerate the exchange of raw materials between the upper and lower layers, and the mixing rod 402 further mixes the raw materials, thereby improving the efficiency of lithium carbonate reaction preparation.
[0027] A filter mechanism 5 is connected to the bottom of the outer surface of the purification vessel 1. A water pump 6 is installed through one end of the filter mechanism 5. A drying vessel 7 is fixedly installed on one side of the water pump 6. Both the inner walls of the drying vessel 7 and the purification vessel 1 are provided with cavities. A heating plate 8 is fixedly installed inside the cavity. A heat preservation mechanism 9 is fixedly fitted on the outer surface of the drying vessel 7. After the preparation is completed, the water pump 6 is turned on to extract the lithium ion solution in the purification vessel 1 and transport it to the drying vessel 7. The filter screen 501 filters out insoluble impurities to improve the purity of lithium carbonate. Sodium carbonate or lithium sodium bicarbonate is added to the drying vessel 7 for carbonation reaction. The heating plate 8 heats and evaporates the lithium carbonate liquid in the drying vessel 7. The C servo motor 1301 drives the stirring rod 1302 to rotate, so that the lithium carbonate liquid is heated evenly. After evaporation, solid lithium carbonate is obtained. The ceramic fiber layer 901 and the rock wool layer 902 keep the drying vessel 7 warm, reduce heat loss, and make the drying process more energy-efficient.
[0028] A hopper 10 is fixedly installed on the bottom surface of the drying kettle 7. A discharge mechanism 11 is fixedly installed on one side of the hopper 10. With the discharge mechanism 11, after the B servo motor 1101 is powered on, it drives the discharge auger 1102 to rotate, pushing the lithium carbonate solid prepared in the drying kettle 7 out of the hopper 10, achieving the effect of rapid discharge. A cover plate 12 is snapped onto the top surface of the drying kettle 7. A stirring mechanism 13 is fixedly installed on the top surface of the cover plate 12.
[0029] like Figure 2As shown, the mixing mechanism 4 includes an auger rod 401 and a mixing rod 402. The top of the auger rod 401 is fixedly installed at the output end of the A servo motor 3. The mixing rod 402 consists of four sets arranged in a ring array and is fixedly installed at the bottom of the surface of the auger rod 401.
[0030] The mixing mechanism 4 is designed to rapidly mix the raw materials for lithium carbonate preparation, thereby improving reaction efficiency.
[0031] like Figure 2 As shown, the filtration mechanism 5 includes a filter screen 501 and a liquid extraction pipe 502. The filter screen 501 is fixedly disposed at the bottom of the outer surface of the purification vessel 1, and one end of the liquid extraction pipe 502 is fixedly connected to the filter screen 501.
[0032] By using the filtration mechanism 5, the filter screen 501 filters out insoluble impurities, thereby improving the purity of lithium carbonate.
[0033] like Figure 5 As shown, the discharge mechanism 11 includes a B servo motor 1101 and a discharge auger 1102. The B servo motor 1101 is fixedly installed on one side of the discharge hopper 10, and the discharge auger 1102 is fixedly connected to the output end of the B servo motor 1101.
[0034] The discharge mechanism 11 is designed to push the solid lithium carbonate prepared in the drying kettle 7 out of the discharge hopper 10, making it easier to discharge the material.
[0035] like Figure 3 As shown, the stirring mechanism 13 includes a C servo motor 1301 and a stirring rod 1302. The C servo motor 1301 is fixedly installed on the top surface of the cover plate 12, and the top of the stirring rod 1302 is fixedly installed at the output end of the C servo motor 1301.
[0036] With the stirring mechanism 13 in place, the C servo motor 1301 drives the stirring rod 1302 to rotate, so that the lithium carbonate liquid is heated evenly.
[0037] like Figure 4 As shown, the heat preservation mechanism 9 includes a ceramic fiber layer 901 and a rock wool layer 902. The ceramic fiber layer 901 is fixedly sleeved on the surface of the drying kettle 7, and the rock wool layer 902 is fixedly sleeved on the surface of the ceramic fiber layer 901.
[0038] The insulation mechanism 9 helps reduce heat loss from the drying kettle 7.
[0039] like Figure 3 As shown, a temperature controller for controlling the heating temperature is electrically connected to one side of the heating plate 8, and a dehumidification pipe 14 is fixedly installed on one side of the top surface of the cover plate 12. A plug is snapped into the top of the dehumidification pipe 14, and the output end of the water pump 6 is installed inside the drying kettle 7.
[0040] The exhaust pipe 14 is designed to remove moisture.
[0041] The working principle of this utility model is as follows: lithium carbonate preparation raw materials and acidic solvent are put into purification kettle 1. After the electric heating plate 8 is powered on, the raw materials in the purification kettle 1 are heated. Servo motor A 3 drives the auger rod 401 and mixing rod 402 to rotate. The auger rod 401 can accelerate the exchange of raw materials between the upper and lower layers, and the mixing rod 402 further mixes the raw materials, thereby improving the efficiency of lithium carbonate reaction preparation.
[0042] After preparation, turn on water pump 6 to extract the lithium ion solution in purification kettle 1 and transfer it to drying kettle 7. Filter screen 501 filters out insoluble impurities to improve the purity of lithium carbonate.
[0043] Sodium carbonate or lithium sodium bicarbonate is added to the drying kettle 7 for carbonation reaction. The heating plate 8 heats and evaporates the lithium carbonate liquid in the drying kettle 7. The C servo motor 1301 drives the stirring rod 1302 to rotate, so that the lithium carbonate liquid is heated evenly. After evaporation, solid lithium carbonate is obtained. The ceramic fiber layer 901 and the rock wool layer 902 keep the drying kettle 7 warm, reduce heat loss, and make the drying process more energy-efficient.
[0044] After drying is completed, the B servo motor 1101 is powered on to drive the discharge auger 1102 to rotate, pushing the lithium carbonate solid prepared in the drying kettle 7 out of the discharge hopper 10.
[0045] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.
[0046] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.
[0047] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A lithium carbonate refining and purifying device with drying function, comprising a purifying kettle (1), characterized in that: The top surface of the purification kettle (1) is clamped with a top cover (2), the top surface of the top cover (2) is fixedly installed with an A servo motor (3), and the output end of the A servo motor (3) is fixedly provided with a mixing mechanism (4); The bottom surface of the outer surface of the purification kettle (1) is through-connected with a filtering mechanism (5), one end of the filtering mechanism (5) is through-provided with a water pump (6), and the side of the water pump (6) is fixedly installed with a drying kettle (7); The inner walls of the drying kettle (7) and the purification kettle (1) are both provided with cavities, the inside of the cavity is fixedly provided with an electric heating plate (8), the outer surface of the drying kettle (7) is fixedly sleeved with a heat preservation mechanism (9), the bottom surface of the drying kettle (7) is fixedly provided with a dropping hopper (10), the side of the dropping hopper (10) is fixedly installed with a discharging mechanism (11), the top surface of the drying kettle (7) is clamped with a cover plate (12), and the top surface of the cover plate (12) is fixedly installed with a stirring mechanism (13).
2. The lithium carbonate refining and purifying apparatus having a drying function according to claim 1, characterized in that, The mixing mechanism (4) comprises an auger rod (401) and a mixing rod (402), the top of the auger rod (401) is fixedly provided on the output end of the A servo motor (3), and the mixing rod (402) is arranged in an annular array on the bottom surface of the auger rod (401) in four groups.
3. The lithium carbonate refining and purifying apparatus having a drying function according to claim 1, characterized in that, The filtering mechanism (5) comprises a filter screen (501) and a liquid suction pipe (502), the filter screen (501) is fixedly provided on the bottom surface of the outer surface of the purification kettle (1), and one end of the liquid suction pipe (502) is fixedly connected with the filter screen (501).
4. The lithium carbonate refining and purifying apparatus having a drying function according to claim 1, characterized in that, The discharging mechanism (11) comprises a B servo motor (1101) and a discharging auger (1102), the B servo motor (1101) is fixedly provided on the side of the dropping hopper (10), and the discharging auger (1102) is fixedly connected with the output end of the B servo motor (1101).
5. The lithium carbonate refining and purifying apparatus having a drying function according to claim 1, characterized in that, The stirring mechanism (13) comprises a C servo motor (1301) and a stirring rod (1302), the C servo motor (1301) is fixedly installed on the top surface of the cover plate (12), and the top of the stirring rod (1302) is fixedly provided on the output end of the C servo motor (1301).
6. The lithium carbonate refining and purifying apparatus having a drying function according to claim 1, wherein, The heat preservation mechanism (9) comprises a ceramic fiber layer (901) and a rock wool layer (902), the ceramic fiber layer (901) is fixedly sleeved on the surface of the drying kettle (7), and the rock wool layer (902) is fixedly sleeved on the surface of the ceramic fiber layer (901).
7. The lithium carbonate refining and purifying apparatus having a drying function according to claim 1, characterized in that, One side of the electric heating plate (8) is electrically connected with a temperature controller for controlling the heating temperature, one side of the top surface of the cover plate (12) is fixedly provided with a moisture discharge pipe (14), the top of the moisture discharge pipe (14) is clamped with a plug, and the output end of the water pump (6) is through-provided in the inside of the drying kettle (7).