Device for preparing battery-grade lithium carbonate by refining and purifying lithium carbonate

Abstract

The utility model relates to a device for preparing battery grade lithium carbonate by refining and purifying lithium carbonate, which comprises a tank body, two supporting legs are fixedly connected to the bottom of the tank body, two limiting mechanisms are arranged on the tank body, a stirring assembly is arranged on the tank body, a cooling assembly is arranged on the tank body, and the battery grade lithium carbonate is prepared by refining and purifying lithium carbonate. The limiting mechanism comprises a sleeve fixedly connected with the tank body. According to the device for preparing the battery-grade lithium carbonate by refining and purifying the lithium carbonate, the limiting mechanism is arranged, so that the purifying device has a limiting function, and the effect of limiting the cover body is achieved, so that the cover body and the stirring assembly are conveniently disassembled, the stirring assembly is conveniently and thoroughly cleaned, and the influence of subsequent use on the purity of the lithium carbonate is avoided; meanwhile, a sealing ring is conveniently extruded, the sealing performance between the cover body and the tank body is improved, the reaction speed between lithium carbonate and reaction gas is increased, use by a user is facilitated, and the practicability of the purification device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery-grade lithium carbonate preparation, in particular to a device for refining and purifying lithium carbonate to prepare battery-grade lithium carbonate. Background Art

[0002] At present, lithium carbonate can be divided into industrial grade lithium carbonate and battery grade lithium carbonate according to the product purity and impurity content (such as sodium, iron, potassium, etc.), each with corresponding standards. Industrial grade lithium carbonate is the quality that meets the GB / T11075-2013 standard, and the lithium carbonate content is less than 99.5%. Battery grade lithium carbonate is the quality that meets the YS / T582-2013 standard, and the lithium carbonate content is greater than or equal to 99.5%. Compared with industrial grade, battery grade lithium carbonate has higher purity, less impurities and better performance.

[0003] For example, Chinese patent CN218654507U discloses a lithium carbonate refining and purification device, including a tripod, a reaction barrel, a protective cover, an air inlet pipe and a discharge pipe. The reaction barrel is installed on the upper part of the tripod, and a protective cover is slidably arranged on the upper part of the reaction barrel. The rear side of the upper part of the reaction barrel is connected and communicated with an air inlet pipe, and the lower part of the reaction barrel is connected and communicated with a discharge pipe for discharging. It also includes a water storage tank, and water storage tanks for storing water are installed on both sides of the lower part of the reaction barrel. However, the purification device does not have the function of disassembling the stirring member for cleaning and maintenance, resulting in insufficient cleaning of the stirring member, which affects the stirring of lithium carbonate next time, thereby affecting the purity of lithium carbonate, making it inconvenient for users to use, and reducing the practicality of the purification device. Therefore, a device for refining and purifying lithium carbonate to prepare battery-grade lithium carbonate is proposed to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a device for refining and purifying lithium carbonate to prepare battery-grade lithium carbonate, which has the advantages of easy cleaning, etc., and solves the problem that the purification device does not have the function of disassembling the stirring element for cleaning and maintenance, resulting in insufficient cleaning of the stirring element, which affects the next stirring of the lithium carbonate, thereby affecting the purity of the lithium carbonate, making it inconvenient for users to use and reducing the practicability of the purification device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for refining and purifying lithium carbonate to prepare battery-grade lithium carbonate, comprising a tank body, two supporting feet are fixedly connected to the bottom of the tank body, two limiting mechanisms are arranged on the tank body, a stirring assembly is arranged on the tank body, and a cooling assembly is arranged on the tank body;

[0006] The limiting mechanism includes a sleeve fixedly connected to the tank body, a movable rod slidably connected inside the sleeve, movable blocks fixedly connected to the top and top of the movable rod, a cabin body fixedly connected to the movable rod, a spring fixedly connected to the inner bottom wall of the cabin body, and the top of the spring fixedly connected to the limiting rod.

[0007] Furthermore, the stirring assembly includes a cover body slidably connected to the top of the tank body, a sealing ring is fixedly connected to the bottom of the cover body, a motor is fixedly installed on the top of the cover body, the output shaft of the motor is fixedly connected to a rotating shaft, the left and right sides of the rotating shaft are fixedly connected to stirring shafts, and the left side of the stirring shaft opposite to the right side of the stirring shaft is fixedly connected to a scraper.

[0008] Furthermore, the cooling component includes a water tank fixedly connected to the outside of the tank body, a water inlet pipe is fixedly connected to the top of the water tank, a drain pipe is fixedly connected to the bottom of the water tank, and a No. 1 valve is provided on the outside of the water inlet pipe and the drain pipe.

[0009] Furthermore, an air intake pipe is fixedly connected to the right side of the tank body, an exhaust pipe is fixedly connected to the left side of the tank body, solenoid valves are arranged on the air intake pipe and the outside of the air intake pipe, and a gas pressure gauge is arranged on the outside of the exhaust pipe.

[0010] Furthermore, a feed pipe is provided on the cover body, a discharge pipe is fixedly connected to the bottom of the tank body, and a No. 2 valve is provided on the outer sides of the feed pipe and the discharge pipe.

[0011] Furthermore, an inclined plate for facilitating discharge of materials is fixedly connected to the inner bottom wall of the tank body.

[0012] Furthermore, a movable groove is provided inside the sleeve, and the inside of the movable groove is slidably connected to the outside of the movable block.

[0013] Furthermore, a limiting groove is provided on the cover body, and the size of the limiting groove is matched with the size of the limiting rod.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. The device for refining and purifying lithium carbonate to prepare battery-grade lithium carbonate has a limiting function by arranging a limiting mechanism, so that the purification device has a limiting function, thereby achieving the effect of limiting the cover body, thereby facilitating the disassembly of the cover body and the stirring component, and then facilitating the thorough cleaning of the stirring component to avoid the subsequent use affecting the purity of the lithium carbonate. At the same time, it is also convenient to squeeze the sealing ring, increase the sealing between the cover body and the tank body, and increase the reaction speed between the lithium carbonate and the reaction gas, which is convenient for users to use and improves the practicality of the purification device.

[0016] 2. The device for refining and purifying lithium carbonate to prepare battery-grade lithium carbonate achieves the effect of stirring the lithium carbonate by setting a stirring component, thereby increasing the reaction rate between the lithium carbonate and the reaction gas. By setting a cooling component, the heat in the tank body is absorbed, and then the tank body is cooled to avoid the increase of the air pressure inside the tank body after the heat continues to increase. The air pressure inside the tank body is adjusted by setting an exhaust pipe, a solenoid valve and a gas pressure gauge, which is convenient for users to use and increases the practicality of the purification device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 3 This is the front view of the structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the water tank structure of the utility model.

[0021] In the figure: 1 tank body, 2 supporting feet, 3 sleeve, 4 movable rod, 5 movable block, 6 cabin body, 7 spring, 8 inclined plate, 9 limit rod, 10 cover body, 11 sealing ring, 12 motor, 13 rotating shaft, 14 stirring shaft, 15 scraper, 16 water tank, 17 water inlet pipe, 18 drainage pipe, 19 No. 1 valve, 20 air inlet pipe, 21 exhaust pipe, 22 solenoid valve, 23 gas pressure gauge. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 In this embodiment, a device for refining and purifying lithium carbonate to prepare battery-grade lithium carbonate includes a tank body 1, an air inlet pipe 20 is fixedly connected to the right side of the tank body 1, an exhaust pipe 21 is fixedly connected to the left side of the tank body 1, solenoid valves 22 are arranged on the outside of the air inlet pipe 20 and the air inlet pipe 21, a gas pressure gauge 23 is arranged on the outside of the exhaust pipe 21, a discharge pipe is fixedly connected to the bottom of the tank body 1, an inclined plate 8 for convenient discharge is fixedly connected to the inner bottom wall of the tank body 1, two supporting feet 2 are fixedly connected to the bottom of the tank body 1, two limiting mechanisms are arranged on the tank body 1, a stirring component is arranged on the tank body 1, and a cooling component is arranged on the tank body 1.

[0024] The limiting mechanism includes a sleeve 3 fixedly connected to the tank body 1, a movable groove is opened inside the sleeve 3, a movable rod 4 is slidably connected inside the sleeve 3, the top and top of the movable rod 4 are fixedly connected to movable blocks 5, the inside of the movable groove is slidably connected to the outer side of the movable block 5, the movable rod 4 is fixedly connected to the cabin body 6, the inner bottom wall of the cabin body 6 is fixedly connected to the spring 7, and the top of the spring 7 is fixedly connected to the limiting rod 9.

[0025] In this embodiment, the stirring assembly includes a cover body 10 which is slidably connected to the top of the tank body 1. A limiting groove is provided on the cover body 10, and the size of the limiting groove is adapted to the size of the limiting rod 9. A feed pipe is provided on the cover body 10, and a No. 2 valve is provided on the outer side of the feed pipe and the discharge pipe. A sealing ring 11 is fixedly connected to the bottom of the cover body 10, and a motor 12 is fixedly installed on the top of the cover body 10. The output shaft of the motor 12 is fixedly connected to a rotating shaft 13, and the left and right sides of the rotating shaft 13 are fixedly connected to stirring shafts 14, and the left stirring shaft 14 is fixedly connected to the side opposite to the right stirring shaft 14. A scraper 15 is fixedly connected to the left stirring shaft 14 and the right stirring shaft 14.

[0026] In this embodiment, the cooling component includes a water tank 16 fixedly connected to the outside of the tank body 1, a water inlet pipe 17 fixedly connected to the top of the water tank 16, a drain pipe 18 fixedly connected to the bottom of the water tank 16, and a No. 1 valve 19 is provided on the outside of the water inlet pipe 17 and the drain pipe 18.

[0027] The working principle of the above embodiment is:

[0028] The device for refining and purifying lithium carbonate to prepare battery-grade lithium carbonate, when in use, pours lithium carbonate into the interior of the tank body 1 from the feed pipe, and then discharges the reaction gas into the interior of the tank body 1 through the air inlet pipe 20, and starts the motor 12 at the same time, the output shaft of the motor 12 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the stirring shaft 14 to rotate, and the stirring shaft 14 drives the scraper 15 to rotate, so as to stir the lithium carbonate and increase the reaction speed between the lithium carbonate and the reaction gas. By setting the inclined plate 8, it is convenient for the lithium carbonate to be discharged through the discharge pipe, and the lithium carbonate stuck to the inner wall of the tank body 1 is scraped off by the scraper 15, so as to facilitate the discharge of the lithium carbonate from the tank body 1. By setting the cooling component, water is poured into the interior of the water tank 16 through the water inlet pipe 17 to absorb the heat in the tank body 1, and then the tank body 1 is cooled to prevent the heat from continuing to increase and increase the air pressure inside the tank body 1. By setting The exhaust pipe 21, the solenoid valve 22 and the gas pressure gauge 23 are used to adjust the air pressure inside the tank body 1. By setting a limit mechanism, the limit rod 9 is pulled upward, and the limit rod 9 stretches the spring 7 inside the cabin body 6, and the limit rod 9 is pulled out from the inside of the limit groove, and then the two movable rods 4 are pulled back and forth. By setting a movable block 5 and a movable groove, the movable rod 4 is limited and supported, and the stability of the movable rod 4 during movement is increased, so that the limit rod 9 is conveniently withdrawn from the inside of the cover body 10, so that the cover body 10 and the stirring assembly are conveniently disassembled, and then the stirring assembly is conveniently cleaned thoroughly to avoid the subsequent use affecting the purity of lithium carbonate. The sealing ring 11 is squeezed by the contraction of the spring 7 to increase the sealing between the cover body 10 and the tank body 1, and the reaction rate between lithium carbonate and the reaction gas is increased, which is convenient for users to use and increases the practicality of the purification device.

[0029] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model will no longer explain the control method and circuit connection in detail.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for refining and purifying lithium carbonate to prepare battery-grade lithium carbonate, comprising a tank (1), characterized in that: The bottom of the tank body (1) is fixedly connected with two supporting feet (2), the tank body (1) is provided with two limiting mechanisms, the tank body (1) is provided with a stirring component, and the tank body (1) is provided with a cooling component; The limiting mechanism comprises a sleeve (3) fixedly connected to the tank body (1); a movable rod (4) is slidably connected inside the sleeve (3); a movable block (5) is fixedly connected to the top and the bottom of the movable rod (4); a cabin body (6) is fixedly connected to the movable rod (4); a spring (7) is fixedly connected to the inner bottom wall of the cabin body (6); and the top of the spring (7) is fixedly connected to the limiting rod (9).

2. A device for preparing battery-grade lithium carbonate by refining and purifying lithium carbonate according to claim 1, characterized in that: The stirring assembly comprises a cover body (10) slidably connected to the top of the tank body (1), a sealing ring (11) is fixedly connected to the bottom of the cover body (10), a motor (12) is fixedly installed on the top of the cover body (10), an output shaft of the motor (12) is fixedly connected to a rotating shaft (13), a stirring shaft (14) is fixedly connected to the left and right sides of the rotating shaft (13), and a scraper (15) is fixedly connected to the left side of the stirring shaft (14) opposite to the right side of the stirring shaft (14).

3. A device for preparing battery-grade lithium carbonate by refining and purifying lithium carbonate according to claim 1, characterized in that: The cooling component comprises a water tank (16) fixedly connected to the outside of the tank body (1), a water inlet pipe (17) fixedly connected to the top of the water tank (16), a drain pipe (18) fixedly connected to the bottom of the water tank (16), and a No. 1 valve (19) is provided on the outside of each of the water inlet pipe (17) and the drain pipe (18).

4. A device for preparing battery-grade lithium carbonate by refining and purifying lithium carbonate according to claim 1, characterized in that: An air intake pipe (20) is fixedly connected to the right side of the tank body (1), and an exhaust pipe (21) is fixedly connected to the left side of the tank body (1). Solenoid valves (22) are arranged on the outside of the air intake pipe (20) and the exhaust pipe (21), and a gas pressure gauge (23) is arranged on the outside of the exhaust pipe (21).

5. A device for preparing battery-grade lithium carbonate by refining and purifying lithium carbonate according to claim 2, characterized in that: A feed pipe is provided on the cover body (10), a discharge pipe is fixedly connected to the bottom of the tank body (1), and a No. 2 valve is provided on the outside of the feed pipe and the discharge pipe.

6. A device for refining and purifying lithium carbonate to prepare battery-grade lithium carbonate according to claim 1, characterized in that: The inner bottom wall of the tank body (1) is fixedly connected with an inclined plate (8) for facilitating material discharge.

7. The device for preparing battery-grade lithium carbonate by refining and purifying lithium carbonate according to claim 1, characterized in that: A movable groove is provided inside the sleeve (3), and the inside of the movable groove is slidably connected to the outside of the movable block (5).

8. A device for preparing battery-grade lithium carbonate by refining and purifying lithium carbonate according to claim 2, characterized in that: The cover body (10) is provided with a limiting groove, the size of which matches the size of the limiting rod (9).

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