Efficient concentration equipment for producing battery-grade lithium carbonate
By filtering and separating solid substances through filter plates and filter baskets, and utilizing a motor-driven stirring plate and scraper system, the problem of solid substances affecting the concentration efficiency of lithium carbonate solution is solved, achieving a highly efficient and uniform lithium carbonate concentration process.
Patent Information
- Application Number
- CN202422981775.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The presence of solids in existing lithium carbonate solutions affects concentration efficiency, increases viscosity and density, and leads to reduced heat transfer and liquid evaporation rates.
The system uses filter plates and baskets to separate solid substances, combined with a motor-driven stirring plate and scraper system, and heating elements to improve heat transfer and uniform stirring, ensuring the uniform concentration of the lithium carbonate solution.
It effectively separates solid substances, improves the concentration speed and efficiency of lithium carbonate solution, avoids solution adhesion to the inner wall of the evaporator, and achieves uniform heating and efficient concentration.
Smart Images
Figure CN223586570U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of lithium carbonate production concentration, especially battery grade lithium carbonate production with high -efficient concentration equipment. BACKGROUND
[0002] Battery grade lithium carbonate refers to the lithium carbonate product with higher purity and lower impurity content, which can meet the production requirements of lithium batteries, and is one of the important raw materials of the positive electrode material of lithium batteries.
[0003] Lithium carbonate concentration is a process of increasing the concentration of lithium carbonate in the solution containing low concentration lithium carbonate during lithium carbonate production.
[0004] In the existing concentration operation of lithium carbonate solution, the lithium carbonate solution may contain solid substances, and the presence of solid substances will increase the viscosity and density of the solution, thereby affecting heat transfer and liquid evaporation speed, so a battery grade lithium carbonate production with high -efficient concentration equipment is proposed to solve the above problems. UTILITY MODEL CONTENT
[0005] In order to make up for the above shortcomings, the utility model provides a battery grade lithium carbonate production with high -efficient concentration equipment, which aims at improving the problem that the lithium carbonate solution to be concentrated in the prior art may contain solid substances affecting the concentration efficiency.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a battery grade lithium carbonate production with high -efficient concentration equipment, including the jar body, the upper end inner wall of the jar body is fixedly connected with the filter plate, the upper end inner wall of the filter plate is provided with the limiting slot, the inner wall of the limiting slot is slidably connected with the filter basket, the upper end inner wall of the filter plate is provided with the limiting assembly, the limiting assembly is used for limiting the filter basket, the bottom end inner wall of the jar body is fixedly connected with the connecting pipe, the right end outer wall of the connecting pipe is fixedly connected with the evaporation jar, the outer wall of the evaporation jar is fixedly connected with the heating sheet, the upper end outer wall of the evaporation jar is fixedly connected with the motor, the upper end inner wall of the evaporation jar is provided with the acceleration assembly, the acceleration assembly is used for accelerating the concentration of lithium carbonate, and the upper end inner wall of the evaporation jar is fixedly connected with the exhaust pipe.
[0007] Further description of the above technical scheme:
[0008] The acceleration assembly includes the rotating shaft, the outer wall of the rotating shaft penetrates and is rotatably connected to the upper end inner wall of the evaporation jar, the upper end inner wall of the rotating shaft is fixedly connected to the output shaft of the motor, the outer wall of the rotating shaft is fixedly connected with the fixed ring, the front end outer wall of the fixed ring is fixedly connected with the stirring plate, the front end outer wall of the stirring plate is fixedly connected with the scraper one, and the front end outer wall of the rotating shaft is fixedly connected with the scraper two.
[0009] As a further description of the above technical solutions:
[0010] The limiting assembly comprises a limiting column, and the middle outer wall of the limiting column is elastically connected to the inner wall of the upper end of the filter plate through a spring.
[0011] As a further description of the above technical solutions:
[0012] One end of the spring is fixedly connected to the inner wall of the upper end of the filter plate, and the other end of the spring is fixedly connected to the middle outer wall of the limiting column.
[0013] As a further description of the above technical solutions:
[0014] The bottom end outer wall of the limiting column is in a semispherical shape and is clamped to the inner wall of the upper end of the filter basket.
[0015] As a further description of the above technical solutions:
[0016] The front end outer wall of the first scraper is in contact with the inner wall of the evaporation tank, and the first scraper is in an arc shape.
[0017] As a further description of the above technical solutions:
[0018] The stirring plates are provided in three groups and are in an inclined shape.
[0019] As a further description of the above technical solutions:
[0020] The bottom end outer wall of the second scraper is in contact with the inner bottom end of the evaporation tank.
[0021] The utility model has the advantages of the following:
[0022] 1. In the utility model, the lithium carbonate solution to be concentrated is filtered through the filter plate and the filter basket, so that the solid substances in the solution are separated out, the separated solid objects on the filter plate and the filter basket can be moved into the filter basket, the filter basket is rotated, the rotation of the filter basket extrudes the bottom end outer wall of the limiting column to make the limiting column move upward and away from the inner wall of the upper end of the filter basket, the filter basket can be moved upward out of the limiting groove after being rotated, the filter basket is cleaned, the solid substances in the lithium carbonate solution are filtered, and the heat transfer and the concentration speed of the lithium carbonate solution are improved.
[0023] 2. In the utility model, the fixed ring and the second scraper are rotated through the operation of the motor, the rotation of the fixed ring drives the stirring plates and the first scraper to rotate to scrape off the lithium carbonate solution on the inner wall of the evaporation tank, the lithium carbonate concentrate is prevented from adhering to the inner wall of the evaporation tank, the rotation of the stirring plates makes the lithium carbonate solution evenly heated, and the concentration effect is improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1It is a three-dimensional schematic view of the utility model.
[0025] Figure 2 It is a tank body section view schematic view of the utility model.
[0026] Figure 3 It is a filter plate section view schematic view of the utility model.
[0027] Figure 4 It is Figure 3 the enlarged schematic view of A.
[0028] Figure 5 It is a limiting column schematic view of the utility model.
[0029] Figure 6 It is a limiting groove schematic view of the utility model.
[0030] Figure 7 It is a evaporation tank and heating piece section view schematic view of the utility model.
[0031] Figure 8 It is a second scraper schematic view of the utility model.
[0032] Legend:
[0033] 1, tank body, 2, connecting pipe, 3, heating piece, 4, exhaust pipe, 5, motor, 6, filter plate, 7, filter basket, 8, limiting column, 9, spring, 10, limiting groove, 11, evaporation tank, 12, rotating shaft, 13, fixed ring, 14, second scraper, 15, first scraper, 16, stirring plate. Specific implementation
[0034] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.
[0035] Refer to Figure 2 , Figure 3 and Figure 6The utility model provides a kind of embodiment: high-efficiency concentration equipment for battery-grade lithium carbonate production, including jar body 1, jar body 1 is the place for solid-liquid separation of lithium carbonate solution, the solid in the lithium carbonate solution to be concentrated is separated out, inlet pipe is provided on the upper end inner wall of jar body 1, filter plate 6 is fixedly connected on the upper end inner wall of jar body 1, the setting of filter plate 6 is used to separate out the solid in lithium carbonate solution, filter plate 6 is arranged in concave, limit slot 10 is opened on the upper end inner wall of filter plate 6, and the installation of filter basket 7 is limited by limit slot 10, the height of filter basket 7 is limited by limit slot 10, filter basket 7 is slid on the inner wall of limit slot 10, and filter basket 7 is used to filter the solid in lithium carbonate solution, and the position of filter basket 7 is used to collect the solid filtered out, limit assembly is provided on the upper end inner wall of filter plate 6, and the limit assembly is used to limit filter basket 7,
[0036] Refer to Figure 1 And Figure 7 The bottom end inner wall of jar body 1 is fixedly connected with connecting pipe 2, and connecting pipe 2 is used to connect jar body 1 and evaporating jar 11, valve is provided on connecting pipe 2, and the right end outer wall of connecting pipe 2 is fixedly connected with evaporating jar 11, and evaporating jar 11 provides place for the concentration of lithium carbonate solution, and evaporating jar 11 provides support for the installation of motor 5, and heating sheet 3 is fixedly connected on the outer wall of evaporating jar 11, and heating sheet 3 is used to improve the temperature in evaporating jar 11, and motor 5 is fixedly connected on the upper end outer wall of evaporating jar 11, and the operation of motor 5 is used to drive the rotation of rotating shaft 12, and accelerating assembly is provided on the upper end inner wall of evaporating jar 11, and the accelerating assembly is used to accelerate lithium carbonate concentration, and exhaust pipe 4 is fixedly connected on the upper end inner wall of evaporating jar 11, and exhaust pipe 4 is used to export the gas generated for recycling.
[0037] Refer to Figure 8The accelerating assembly comprises a rotating shaft 12, the rotating shaft 12 drives the fixed ring 13 and the scraper 14 to rotate through the operation of the motor 5, the outer wall of the rotating shaft 12 penetrates and is rotatably connected to the inner wall of the upper end of the evaporation tank 11, the inner wall of the upper end of the rotating shaft 12 is fixedly connected to the output shaft of the motor 5, the outer wall of the rotating shaft 12 is fixedly connected with the fixed ring 13, the fixed ring 13 is used for connecting the rotating shaft 12 and the stirring plate 16, the outer wall of the front end of the fixed ring 13 is fixedly connected with the stirring plate 16, the stirring plate 16 is used for connecting the fixed ring 13 and the scraper 15, the stirring plate 16 rotates with the fixed ring 13, and the lithium carbonate solution in the evaporation tank 11 is stirred, the stirring plate 16 is provided in three groups, the three groups of stirring plates 16 are arranged in an inclined manner, the outer wall of the front end of the stirring plate 16 is fixedly connected with the scraper 15, the scraper 15 rotates with the rotating shaft 12 and rotates at the bottom end in the evaporation tank 11, so that the liquid at the bottom is prevented from being unevenly heated, the outer wall of the front end of the scraper 15 is in contact with the inner wall of the evaporation tank 11, the scraper 15 is arranged in an arc shape, the outer wall of the front end of the rotating shaft 12 is fixedly connected with the scraper 14, and the bottom end of the scraper 14 is in contact with the bottom end in the evaporation tank 11.
[0038] With reference to Figure 3 - Figure 5 The limiting assembly comprises a limiting column 8, the limiting column 8 is extruded by the outer wall of the filter basket 7, the limiting column 8 moves upward to compress the spring 9, after the filter basket 7 rotates by ninety degrees, the limiting column 8 is popped out and clamped on the inner wall of the upper end of the filter basket 7, the bottom end of the limiting column 8 is arranged in a semispherical shape, the bottom end of the limiting column 8 is clamped on the inner wall of the upper end of the filter basket 7, and the middle of the outer wall of the limiting column 8 is elastically connected to the inner wall of the upper end of the filter plate 6 through the spring 9, one end of the spring 9 is fixedly connected to the inner wall of the upper end of the filter plate 6, and the other end of the spring 9 is fixedly connected to the middle of the outer wall of the limiting column 8.
[0039] Working principle: through the lithium carbonate solution to be concentrated by the liquid inlet pipe on the upper end of the tank 1 into the tank 1, the lithium carbonate solution into the tank 1 is filtered by the filter plate 6 and the filter basket 7, so that the solid material in the solution is separated out, the solution passes through the filter plate 6 and the filter basket 7 into the connecting pipe 2, the solid object separated out on the filter plate 6 and the filter basket 7 can be moved into the filter basket 7, rotate the filter basket 7, the rotation of the filter basket 7 extrudes the bottom end outer wall of the limiting column 8 to make the limiting column 8 move upward away from the upper end inner wall of the filter basket 7, so that the filter basket 7 can be rotated by ninety degrees and then moved upward from the limiting groove 10 and moved out, clean the filter basket 7, open the valve in the connecting pipe 2, the lithium carbonate solution will flow into the evaporation tank 11, the temperature of the lithium carbonate solution in the evaporation tank 11 is raised by the heating sheet 3, at the same time, the motor 5 is started, the rotation of the motor 5 drives the fixed ring 13 and the scraper two 14 to rotate, the rotation of the fixed ring 13 drives the stirring plate 16 and the scraper one 15 to rotate, the rotation of the scraper one 15 and the scraper two 14 scrapes the lithium carbonate solution on the inner wall of the evaporation tank 11, so as to avoid the concentrated lithium carbonate adhering to the inner wall of the evaporation tank 11, the rotation of the stirring plate 16 makes the lithium carbonate solution evenly heated, after the concentration is completed, the concentrated lithium carbonate can be collected by opening the bottom valve of the evaporation tank 11.
[0040] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A high-efficiency concentration device for battery-grade lithium carbonate production, comprising a tank body (1), characterized in that: The upper end inner wall of the tank body (1) is fixedly connected with a filter plate (6), a limiting groove (10) is arranged on the upper end inner wall of the filter plate (6), a filter basket (7) is slidably arranged on the inner wall of the limiting groove (10), a limiting assembly is arranged on the upper end inner wall of the filter plate (6) and is used for limiting the filter basket (7), a connecting pipe (2) is fixedly connected to the bottom end inner wall of the tank body (1), an evaporation tank (11) is fixedly connected to the right end outer wall of the connecting pipe (2), a heating sheet (3) is fixedly connected to the outer wall of the evaporation tank (11), a motor (5) is fixedly connected to the upper end outer wall of the evaporation tank (11), an acceleration assembly is arranged on the upper end inner wall of the evaporation tank (11) and is used for accelerating the concentration of lithium carbonate, and an exhaust pipe (4) is fixedly connected to the upper end inner wall of the evaporation tank (11).
2. The high-efficiency concentration device for producing battery-grade lithium carbonate according to claim 1, characterized in that: The acceleration assembly comprises a rotating shaft (12), the outer wall of the rotating shaft (12) penetrates and is rotatably connected to the upper end inner wall of the evaporation tank (11), the upper end inner wall of the rotating shaft (12) is fixedly connected to the output shaft of the motor (5), a fixed ring (13) is fixedly connected to the outer wall of the rotating shaft (12), a stirring plate (16) is fixedly connected to the front end outer wall of the fixed ring (13), a scraper one (15) is fixedly connected to the front end outer wall of the stirring plate (16), and a scraper two (14) is fixedly connected to the front end outer wall of the rotating shaft (12).
3. The high-efficiency concentration device for producing battery-grade lithium carbonate according to claim 1, characterized in that: The limiting assembly comprises a limiting column (8), and the middle portion outer wall of the limiting column (8) is elastically connected to the upper end inner wall of the filter plate (6) through a spring (9).
4. The high-efficiency concentration device for producing battery-grade lithium carbonate according to claim 3, characterized in that: One end of the spring (9) is fixedly connected to the upper end inner wall of the filter plate (6), and the other end of the spring (9) is fixedly connected to the middle portion outer wall of the limiting column (8).
5. The high-efficiency concentration device for producing battery-grade lithium carbonate according to claim 3, characterized in that: The bottom end outer wall of the limiting column (8) is in a semispherical shape, and the bottom end outer wall of the limiting column (8) is clamped to the upper end inner wall of the filter basket (7).
6. The high-efficiency concentration device for producing battery-grade lithium carbonate according to claim 2, characterized in that: The front end outer wall of the scraper one (15) is in contact with the inner wall of the evaporation tank (11), and the scraper one (15) is in an arc shape.
7. The high-efficiency concentration device for producing battery-grade lithium carbonate according to claim 2, characterized in that: The stirring plate (16) is provided in three groups, and the three groups of stirring plates (16) are arranged in an inclined manner.
8. The high-efficiency concentration device for producing battery-grade lithium carbonate according to claim 2, characterized in that: The bottom end outer wall of the scraper two (14) is in contact with the inner bottom end of the evaporation tank (11).