Continuous carbonization device for preparing battery-grade lithium carbonate from lithium carbonate

Abstract

The utility model relates to the technical field of lithium carbonate carbonization, in particular to a continuous carbonization device for preparing battery-grade lithium carbonate from lithium carbonate, which comprises a stirring tank internally provided with a stirring component, a scraper is movably arranged in the stirring tank and abuts against the inner wall of the stirring tank, and a mounting part is fixedly mounted at the top of one side of the scraper. A sliding plate is slidably arranged in the mounting part; a transmission part is arranged on one side of the sliding plate; by starting the motor and the electromagnet, the electromagnet can be electrified to attract the iron block, so that the sliding plate compresses the supporting spring and drives the transmission part to slide towards the outside of the mounting part, and at the moment, the stirring rod can push the transmission part and the scraping plate to do annular motion in the stirring tank during rotation, so that raw materials adhered to the inner wall of the stirring tank can be scraped off; meanwhile, the scraping plate does not need to be connected with the stirring rod all the time, the scraping plate can be in transmission connection with the stirring rod only when scraping is needed, electric energy is saved, and therefore the machining cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium carbonate carbonization technical field especially relates to a lithium carbonate preparation battery grade lithium carbonate continuous carbonization device. BACKGROUND

[0002] High purity lithium carbonate is the main raw material for preparing high purity lithium salt, and there are many methods for preparing high purity lithium carbonate, such as causticization method, recrystallization method, electrolysis method and carbonization method, and the carbonization method is widely used due to the advantages of simple operation, low production cost and the like, generally, softened water, lithium carbonate and carbon dioxide are rapidly mixed to realize carbonization, in the process of lithium carbonate continuous carbonization, the raw materials need to be stirred and mixed, in order to avoid the problem of waste caused by the adhesion of raw materials to the inner wall of the device, the lithium carbonate continuous carbonization device with the scraping inner wall appears.

[0003] For example, the patent specification of the existing Chinese patent (publication number: CN221359430U) discloses an industrial grade lithium carbonate preparation battery grade lithium carbonate continuous carbonization device, the controller controls the electric telescopic rod to start, the started electric telescopic rod can drive the scraper to approach the inner wall of the stirring barrel, and then under the driving of the motor, the scraper can clean the inner wall of the stirring barrel, without closing and opening the motor and changing the rotating direction of the motor, the service life of the motor can be greatly improved, and the carbonization efficiency can be further improved.

[0004] However, it is found in the implementation of the related technology that the above-mentioned industrial grade lithium carbonate preparation battery grade lithium carbonate continuous carbonization device has the following problems: although the industrial grade lithium carbonate preparation battery grade lithium carbonate continuous carbonization device can clean the inner wall of the stirring barrel by starting the electric telescopic rod and then cooperating with the motor to drive the scraper, since the electric telescopic rod and the scraper and other structures are installed on the stirring structure, the stirring structure has a large weight, which makes the motor need to rotate the above-mentioned cleaning structure under load, which undoubtedly increases unnecessary electric energy, thereby increasing the processing cost.

[0005] Therefore, a lithium carbonate preparation battery grade lithium carbonate continuous carbonization device is provided to overcome the above-mentioned defects. Utility model content

[0006] The utility model aims at solving the shortcomings in the prior art and provides a lithium carbonate preparation battery grade lithium carbonate continuous carbonization device.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: a lithium carbonate preparation battery grade lithium carbonate continuous carbonization device, including the stirring tank that is internally arranged with stirring subassembly, the scraper is movably arranged in the stirring tank, the scraper is opposite with the inner wall of stirring tank, the top of one side of scraper is fixedly installed with the mounting piece, the sliding plate is slidably arranged in the mounting piece, one side of sliding plate is provided with transmission part, the other end of transmission part is slidably penetrated mounting piece and is opposite with the cooperation of stirring subassembly, one side of sliding plate is provided with iron block, the mounting piece is provided with electromagnet, the iron block is magnetically connected with the cooperation of electromagnet, one side of sliding plate is also provided with support spring, the other end of support spring is arranged in the mounting piece.

[0008] As further description of the above technical scheme: the inside and one side of the mounting piece are respectively provided with mounting cavity and fixed mouth, the mounting cavity is communicated with the fixed mouth, the sliding plate is slidably connected in the mounting cavity, the electromagnet is fixedly installed on the inner side wall of the mounting cavity, the one end of the support spring away from the sliding plate is fixedly installed on the inner side wall of the mounting cavity, the one end of the transmission part away from the sliding plate is slidably inserted in the fixed mouth, which can conveniently make the components movably arranged in the inside of the mounting piece normally run, and avoid the problem of movement interference.

[0009] As further description of the above technical scheme: the number of iron blocks is two, the number of electromagnets and support springs corresponds to the number of iron blocks, two iron blocks are symmetrically arranged on one side of the sliding plate, the setting of two iron blocks can guarantee the force balance of both sides of the sliding plate, thereby improving the stability when the sliding plate slides.

[0010] As further description of the above technical scheme: the limit ring groove is slidably inserted in the limit block in the limit ring groove, the scraper is fixedly connected with one side of the limit block, which can make the scraper do circular motion in the stirring tank, and avoid the problem of deviation when the scraper moves.

[0011] As further description of the above technical scheme: two positioning ring grooves are symmetrically arranged in the stirring tank, the limit ring groove is communicated with the positioning ring groove, the convex edge that is matched with the positioning ring groove is integrally formed on the top and bottom of the limit block, the convex edge is slidably inserted in the positioning ring groove, which can limit the sliding of the limit block, prevent the limit block from sliding out of the limit ring groove, and improve the stability.

[0012] As further description of the above technical scheme: the top of the scraper is provided with a vibration motor, opening the vibration motor can shake the raw materials adhered to the surface of the scraper, which can further improve the discharging effect of the device.

[0013] As a further description of the above technical solutions: the stirring assembly comprises a stirring shaft, the stirring shaft is rotationally arranged on the top wall in the stirring tank, a plurality of stirring rods are fixedly installed on both sides of the stirring shaft, one of the stirring rods is in abutment with the transmission member, a motor is fixedly installed on the top of the stirring tank, the driving shaft of the motor is in transmission connection with one end of the stirring shaft, the motor is started, the driving shaft of the motor drives the stirring shaft and the stirring rod to rotate, and the internal raw materials can be stirred and mixed.

[0014] As a further description of the above technical solutions: the stirring tank is fixedly inserted with a feeding pipe at the top, a discharging port is formed at the bottom of the stirring tank, a carbonization assembly is arranged on one side of the stirring tank, the carbonization assembly is connected with the discharging port, the carbonization assembly comprises a feeding pipe, the feeding pipe is fixedly inserted in the discharging port, a carbonization tank is arranged at the other end of the feeding pipe, and a feeding pump is arranged on the feeding pipe.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] The lithium carbonate preparation battery-grade lithium carbonate continuous carbonization device designed by the utility model can make the electromagnet attract the iron block by starting the motor and the electromagnet, compress the supporting spring and drive the transmission member to slide out of the mounting member, the transmission member and the scraper plate can do circular motion in the stirring tank when the stirring rod rotates, the raw materials adhered to the inner wall of the stirring tank can be scraped off, the discharging effect is improved, the scraper plate does not need to be connected with the stirring rod all the time, and the scraper plate can be connected with the stirring rod in transmission only when the raw materials need to be scraped, so that the electric energy is saved, and the processing cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the whole outside of the utility model;

[0018] Figure 2 It is a three-dimensional structure schematic diagram of the inside half of the stirring tank of the utility model;

[0019] Figure 3 It is a three-dimensional structure schematic diagram of the inside half of the mounting member of the utility model;

[0020] Figure 4 It is a three-dimensional structure schematic diagram of the inside half of the mounting member of the utility model; Figure 2 It is an enlarged view of A in the utility model.

[0021] LEGEND:

[0022] 1, stirring tank; 2, feed pipe; 3, discharge port; 4, scraper; 5, mounting; 6, slide plate; 7, transmission; 8, iron block; 9, electromagnet; 10, supporting spring; 11, mounting cavity; 12, fixed port; 13, limiting ring groove; 14, limiting block; 15, positioning ring groove; 16, vibration motor; 17, stirring shaft; 18, stirring rod; 19, motor; 20, feed pipe; 21, carbonization tank; 22, feed pump. DETAILED DESCRIPTION

[0023] Referring to Figures 1-4 The utility model provides a kind of continuous carbonization device for lithium carbonate preparation battery-grade lithium carbonate: including the stirring tank 1 with stirring assembly inside, scraper 4 is movably arranged in stirring tank 1, scraper 4 is abutted with the inner wall of stirring tank 1, mounting 5 is fixedly installed at the top of one side of scraper 4, slide plate 6 is slidably arranged in mounting 5, transmission 7 is arranged on one side of slide plate 6, the other end of transmission 7 is slidably penetrated mounting 5 and is abutted with stirring assembly, iron block 8 is arranged on one side of slide plate 6, electromagnet 9 is arranged in mounting 5, iron block 8 is magnetically connected with electromagnet 9, supporting spring 10 is further arranged on one side of slide plate 6, the other end of supporting spring 10 is arranged in mounting 5;

[0024] Stirring assembly includes stirring shaft 17, stirring shaft 17 is rotatably arranged in the top wall of stirring tank 1, a plurality of stirring rods 18 are fixedly installed on the two sides of stirring shaft 17, one of stirring rod 18 is abutted with transmission 7, motor 19 is fixedly installed at the top of stirring tank 1, the driving shaft of motor 19 is transmission connected with one end of stirring shaft 17, feed pipe 2 is fixedly inserted in the top of stirring tank 1, discharge port 3 is arranged in the bottom of stirring tank 1, carbonization assembly is arranged on one side of stirring tank 1, carbonization assembly is connected with discharge port 3, carbonization assembly includes feed pipe 20, feed pipe 20 is fixedly inserted in discharge port 3, carbonization tank 21 is arranged at the other end of feed pipe 20, feed pump 22 is arranged on feed pipe 20.

[0025] When being implemented, industrial lithium carbonate, water and other additives such as nitrilotriacetic acid are put into stirring tank 1 through feed pipe 2, then motor 19 is started, so that the driving shaft of motor 19 drives stirring shaft 17 and stirring rod 18 to rotate, so that the raw materials in the stirring tank can be stirred and mixed, after the raw materials are stirred, feed pump 22 is started, so that the raw materials can be conveyed to carbonization tank 21 through feed pipe 20 for carbonization processing.

[0026] When it is needed to scrape the raw materials adhered to the inner wall of the stirring tank 1, at this time, the electromagnet 9 is opened while the motor 19 is opened, the electromagnet 9 is powered to attract the iron block 8, the sliding plate 6 compresses the supporting spring 10 and drives the transmission part 7 to slide out of the mounting part 5, at this time, the stirring rod 18 can push the transmission part 7 and the scraper 4 to do circular motion in the stirring tank 1 along the direction of the limiting annular groove 13, that is, the raw materials adhered to the inner wall of the stirring tank 1 can be scraped, the discharging effect is improved, in addition, the scraper 4 does not need to be connected with the stirring rod 18 at all times, and only needs to be in transmission connection with the stirring rod 18 when it is needed to scrape the materials, the electric energy is saved, and the processing cost is reduced.

[0027] It should be noted here that for the carbonization tank 21, the inside is usually provided with a carbon dioxide inlet system, a multi-stage reaction chamber, a temperature and heat transfer control system and the like, so as to facilitate the carbonization of the delivered raw materials. Since the carbonization structure inside the carbonization tank 21 belongs to the prior art and is not the problem to be solved in the background art of the present application, further description is not given.

[0028] As a further implementation of the above technical solution: the inside and one side of the mounting part 5 are respectively provided with a mounting cavity 11 and a fixed port 12, the mounting cavity 11 is in communication with the fixed port 12, the sliding plate 6 is slidingly connected in the mounting cavity 11, the electromagnet 9 is fixedly installed on the inner side wall of the mounting cavity 11, the supporting spring 10 is fixedly installed on the inner side wall of the mounting cavity 11 away from the sliding plate 6, and the transmission part 7 is slidingly inserted in the fixed port 12 away from the sliding plate 6. The components movably arranged in the inside of the mounting part 5 can be normally operated, and the problem of movement interference can be avoided.

[0029] As a further implementation of the above technical solution: the number of the iron blocks 8 is two, the number of the electromagnets 9 and the supporting springs 10 corresponds to the number of the iron blocks 8, and the two iron blocks 8 are symmetrically arranged on one side of the sliding plate 6. The arrangement of the two iron blocks 8 can ensure the force balance of the two sides of the sliding plate 6, thereby improving the stability of the sliding plate 6 when sliding.

[0030] As a further implementation of the above technical solution: the limiting annular groove 13 is arranged at the top in the stirring tank 1, the limiting block 14 is slidingly inserted in the limiting annular groove 13, the scraper 4 is fixedly connected with one side of the limiting block 14, two positioning annular grooves 15 are symmetrically arranged in the stirring tank 1, the limiting annular groove 13 is in communication with the positioning annular grooves 15, the top and the bottom of the limiting block 14 are integrally formed with protrusions matched with the positioning annular grooves 15, and the protrusions are slidingly inserted in the positioning annular grooves 15. The scraper 4 can do circular motion in the stirring tank 1, and the problem of deviation of the scraper 4 during movement can be avoided.

[0031] As a further implementation of the above technical solution: the top of the scraper 4 is provided with a vibration motor 16. Turning on the vibration motor 16 can shake the raw materials adhering to the surface of the scraper 4, which can further improve the discharging effect of the device.

[0032] Working principle:

[0033] When using the utility model, before use, all the electrical appliances related to the stirring tank 1 need to be externally connected to the power supply, or an electric box is installed in the area outside the stirring tank 1 which does not hinder other components, then the electric box and the electrical appliances are connected through the line, which can supply power to the electrical appliances, thereby ensuring the normal operation of the electrical appliances. Since the external power supply or the power supply by the electric box for the electrical appliances belongs to the prior art, and it is not the problem to be solved in the background art of the present application, it is not necessary to make further explanation.

[0034] When using, first, industrial lithium carbonate, water and other additives such as nitrilotriacetic acid are put into the stirring tank 1 through the feeding pipe 2, then the motor 19 is turned on, the driving shaft of the motor 19 drives the stirring shaft 17 and the stirring rod 18 to rotate, which can stir and mix the raw materials inside. After the raw materials are stirred, the feeding pump 22 is turned on, which can convey the raw materials to the carbonization tank 21 through the feeding pipe 20 for carbonization processing.

[0035] When it is necessary to scrape the raw materials adhering to the inner wall of the stirring tank 1, the motor 19 is turned on at the same time, and the electromagnet 9 is also turned on, so that the electromagnet 9 is electrified to attract the iron block 8, so that the sliding plate 6 compresses the supporting spring 10 and drives the transmission member 7 to slide out of the mounting member 5. At this time, the stirring rod 18 can push the transmission member 7 and the scraper 4 to do circular motion in the stirring tank 1 along the direction set by the limiting annular groove 13 when rotating, which can scrape the raw materials adhering to the inner wall of the stirring tank 1, thereby improving the discharging effect. In addition, the scraper 4 does not need to be connected with the stirring rod 18 at all times, but can be drivingly connected with the stirring rod 18 only when scraping is needed, which saves electric energy and reduces the processing cost.

[0036] Turning on the vibration motor 16 can shake the raw materials adhering to the surface of the scraper 4, which can further improve the discharging effect of the device.

[0037] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still 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 utility model shall be included in the protection scope of the utility model.

Claims

1. A continuous carbonization apparatus for preparing battery-grade lithium carbonate, comprising a stirred tank (1) internally equipped with a stirring assembly, characterized in that: A scraper (4) is movably disposed inside the mixing tank (1). The scraper (4) abuts against the inner wall of the mixing tank (1). An installation component (5) is fixedly installed on the top of one side of the scraper (4). A sliding plate (6) is slidably disposed inside the installation component (5). A transmission component (7) is disposed on one side of the sliding plate (6). The other end of the transmission component (7) slides through the installation component (5) and abuts against the mixing component. An iron block (8) is disposed on one side of the sliding plate (6). An electromagnet (9) is disposed inside the installation component (5). The iron block (8) and the electromagnet (9) are magnetically connected. A support spring (10) is also disposed on one side of the sliding plate (6). The other end of the support spring (10) is disposed inside the installation component (5).

2. The continuous carbonization apparatus for preparing battery-grade lithium carbonate according to claim 1, characterized in that: The mounting component (5) has an installation cavity (11) and a fixing port (12) on its interior and one side, respectively. The installation cavity (11) and the fixing port (12) are connected. The sliding plate (6) is slidably connected in the installation cavity (11). The electromagnet (9) is fixedly installed on the inner side wall of the installation cavity (11). The end of the support spring (10) away from the sliding plate (6) is fixedly installed on the inner side wall of the installation cavity (11). The end of the transmission component (7) away from the sliding plate (6) is slidably inserted into the fixing port (12).

3. The continuous carbonization apparatus for preparing battery-grade lithium carbonate according to claim 1, characterized in that: The number of iron blocks (8) is two, and the number of electromagnets (9) and support springs (10) are corresponding to the number of iron blocks (8). The two iron blocks (8) are symmetrically arranged on one side of the slide plate (6).

4. The continuous carbonization apparatus for preparing battery-grade lithium carbonate according to claim 1, characterized in that: The mixing tank (1) has a limiting annular groove (13) at the top, and a limiting block (14) is slidably inserted into the limiting annular groove (13). The scraper (4) is fixedly connected to one side of the limiting block (14).

5. The continuous carbonization apparatus for preparing battery-grade lithium carbonate according to claim 4, characterized in that: The mixing tank (1) has two symmetrically arranged positioning annular grooves (15). The limiting annular groove (13) is connected to the positioning annular groove (15). The top and bottom of the limiting block (14) are integrally formed with protruding edges that are adapted to the positioning annular groove (15). The protruding edges are slidably inserted into the positioning annular groove (15).

6. The continuous carbonization apparatus for preparing battery-grade lithium carbonate according to claim 1, characterized in that: A vibration motor (16) is provided on the top of the scraper (4).

7. The continuous carbonization apparatus for preparing battery-grade lithium carbonate according to claim 1, characterized in that: The stirring assembly includes a stirring shaft (17), which is rotatably mounted on the top wall inside the stirring tank (1). Multiple stirring rods (18) are fixedly installed on both sides of the stirring shaft (17), one of which is engaged with a transmission component (7). A motor (19) is fixedly installed on the top of the stirring tank (1), and the drive shaft of the motor (19) is connected to one end of the stirring shaft (17).

8. The continuous carbonization apparatus for preparing battery-grade lithium carbonate according to claim 1, characterized in that: A feed pipe (2) is fixedly inserted into the top of the mixing tank (1), and a discharge port (3) is opened at the bottom of the mixing tank (1). A carbonization component is provided on one side of the mixing tank (1), and the carbonization component is connected to the discharge port (3). The carbonization component includes a conveying pipe (20), which is fixedly inserted into the discharge port (3). A carbonization tank (21) is provided at the other end of the conveying pipe (20), and a conveying pump (22) is provided on the conveying pipe (20).

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