Carbonizing tower for purifying lithium carbonate

Abstract

The utility model relates to a carbonizer for purifying lithium carbonate, a partition plate is fixedly arranged on the inner side wall of the carbonizer, and a purifying device is arranged in the carbonizer below the partition plate. According to the carbonization tower for purifying the lithium carbonate, the purification device is arranged below the partition plate of the carbonization tower, various precipitates generated in a reaction in the carbonization tower are separated and then discharged respectively to obtain a relatively pure lithium carbonate solution, and then the lithium carbonate is separated out to obtain the lithium carbonate with relatively high purity, so that the problem that in the process of generating the lithium carbonate, the reaction time is shortened, and the production cost is reduced is solved. In order to solve the problem that pure lithium carbonate can be obtained only by carrying out operations such as sedimentation, filtration and washing after the obtained precipitates are discharged, the power of a purification heating pipe and the temperature of a solution containing the precipitates are controlled through a control assembly, and different precipitates are dissolved at different temperatures, so that the purity of the lithium carbonate is improved. And discharging to separate various precipitates.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium carbonate purification, in particular to a carbonization tower used for purifying lithium carbonate. Background Art

[0002] Lithium carbonate is an inorganic compound, a colorless monoclinic crystal, slightly soluble in water and dilute acid, insoluble in ethanol and acetone. Its thermal stability is lower than that of carbonates of other elements in the same group in the periodic table. It does not deliquesce in the air and can be obtained by adding sodium carbonate to lithium sulfate or lithium oxide solution. Its aqueous solution can be converted into acid salt by passing carbon dioxide, and hydrolysis occurs when boiled. It is used as a raw material for ceramics, glass, ferrite, etc., for spraying silver paste on components, etc., and is used in medicine to treat depression.

[0003] In the process of generating lithium carbonate through the reaction of various raw materials, a carbonization tower is needed. Through the carbonization tower, the various raw materials for generating lithium carbonate are heated and mixed, and reacted to obtain a precipitate of lithium carbonate, which is then separated to obtain lithium carbonate.

[0004] However, common carbonization towers will also produce other precipitates during the process of generating lithium carbonate. After the precipitates are discharged, sedimentation, filtration, washing and other operations are required to obtain relatively pure lithium carbonate. In view of this, the present application proposes a carbonization tower for purifying lithium carbonate. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a carbonization tower for purifying lithium carbonate, which has the advantages of separating various precipitates and discharging them from the carbonization tower, and solves the problem that other precipitates are generated in the process of generating lithium carbonate, and after the obtained precipitates are discharged, sedimentation, filtration, washing and other operations are required to obtain relatively pure lithium carbonate.

[0006] To achieve the above object, the utility model provides the following technical solution: a carbonization tower for purifying lithium carbonate, wherein a partition is fixedly installed on the inner side wall of the carbonization tower, and a purification device is arranged inside the carbonization tower below the partition;

[0007] The purification device includes a filter barrel fixedly mounted on the inner bottom wall of the carbonization tower, the surface of the filter barrel is provided with filter holes, the inner wall of the carbonization tower below the partition is wound with a purification heating pipe, and the inner wall of the carbonization tower is fixedly mounted with a control component.

[0008] Furthermore, the control component includes a lower temperature sensor fixedly mounted on the inner wall of the carbonization tower below the partition, and a purification controller is fixedly mounted on the surface of the carbonization tower below the partition.

[0009] Furthermore, a discharge pipe is fixedly installed at the bottom of the carbonization tower, and a discharge valve is fixedly installed on the surface of the discharge pipe.

[0010] Furthermore, a dissolution motor is fixedly installed at the bottom of the carbonization tower, and an agitator is rotatably installed on the inner bottom wall of the carbonization tower located inside the filter barrel, and the output end of the dissolution motor is fixedly connected to the bottom of the agitator.

[0011] Furthermore, a reaction motor is fixedly installed on the top of the carbonization tower, a rotating shaft is rotatably installed on the inner top wall of the carbonization tower, the output end of the reaction motor is fixedly connected to the top of the rotating shaft, and a stirring blade is fixedly installed on the surface of the rotating shaft.

[0012] Furthermore, a guide plate is fixedly installed on the inner wall of the carbonization tower above the partition, a connecting pipe is fixedly installed on the bottom of the guide plate, an electric control valve is fixedly installed on the surface of the connecting pipe, and the bottom end of the connecting pipe extends to the interior of the filter barrel.

[0013] Furthermore, a reaction heating tube is coiled at the bottom of the guide plate, an upper temperature sensor is fixedly installed on the inner wall of the carbonization tower above the partition, and a reaction controller is fixedly installed on the surface of the carbonization tower.

[0014] Furthermore, a liquid feeding pipe is fixedly installed on the top of the carbonization tower, a solid feeding hopper is fixedly installed on the top of the carbonization tower, and a supporting leg is fixedly installed on the bottom of the carbonization tower.

[0015] Compared with the prior art, the utility model provides a carbonization tower for purifying lithium carbonate, which has the following beneficial effects:

[0016] The carbonization tower for purifying lithium carbonate is provided with a purification device under the partition of the carbonization tower to separate various precipitates generated by the reaction in the carbonization tower, and then discharge them separately to obtain a relatively pure lithium carbonate solution, and then the lithium carbonate can be separated to obtain lithium carbonate with higher purity, thereby solving the problem that other precipitates are generated in the process of generating lithium carbonate, and sedimentation, filtration, washing and other operations are required after the obtained precipitates are discharged to obtain relatively pure lithium carbonate. The power of the purification heating tube is controlled by the control component, and the temperature of the solution containing the precipitates is controlled. At different temperatures, different precipitates are dissolved, and then discharged to separate various precipitates. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a front view of the structure of the utility model;

[0019] Figure 3 This is a three-dimensional diagram of the filter barrel of the utility model.

[0020] In the figure: 1. Carbonization tower; 2. Partition; 3. Purification device; 31. Filter barrel; 32. Filter hole; 33. Purification heating tube; 34. Control component; 341. Lower temperature sensor; 342. Purification controller; 4. Discharge pipe; 41. Discharge valve; 5. Dissolution motor; 6. Agitator; 7. Reaction motor; 8. Rotating shaft; 9. Stirring blade; 10. Guide plate; 11. Connecting pipe; 111. Electric control valve; 12. Reaction heating tube; 13. Upper temperature sensor; 14. Reaction controller; 15. Liquid feeding pipe; 16. Solid feeding hopper; 17. Support leg. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-3 A carbonization tower for purifying lithium carbonate, wherein a partition 2 is fixedly installed on the inner wall of the carbonization tower 1, a purification device 3 is arranged inside the carbonization tower 1 below the partition 2, a discharge pipe 4 is fixedly installed at the bottom of the carbonization tower 1, and a discharge valve 41 is fixedly installed on the surface of the discharge pipe 4.

[0023] The purification device 3 includes a filter barrel 31 fixedly mounted on the inner bottom wall of the carbonization tower 1, a filter hole 32 is provided on the surface of the filter barrel 31, a purification heating pipe 33 is wound around the inner wall of the carbonization tower 1 below the partition 2, and a control component 34 is fixedly mounted on the inner wall of the carbonization tower 1. The power of the purification heating pipe 33 is controlled by the control component 34, and the solution containing various precipitates in the filter barrel 31 is heated. According to the different dissolution temperatures of the precipitates, various precipitates are dissolved in sequence according to the dissolution temperatures, and discharged in sequence to obtain a lithium carbonate solution, and then the lithium carbonate is separated to obtain lithium carbonate.

[0024] Secondly, the control component 34 includes a lower temperature sensor 341 fixedly mounted on the inner wall of the carbonization tower 1 below the partition 2, and a purification controller 342 is fixedly mounted on the surface of the carbonization tower 1 below the partition 2.

[0025] At the same time, a dissolving motor 5 is fixedly installed at the bottom of the carbonizing tower 1, and an agitator 6 is rotatably installed on the inner bottom wall of the carbonizing tower 1 located inside the filter barrel 31, and the output end of the dissolving motor 5 is fixedly connected to the bottom of the agitator 6. The dissolving motor 5 drives the agitator 6 to rotate to accelerate the dissolution of the precipitate.

[0026] Meanwhile, a liquid feeding pipe 15 is fixedly installed on the top of the carbonizing tower 1, a solid feeding hopper 16 is fixedly installed on the top of the carbonizing tower 1, and a support leg 17 is fixedly installed on the bottom of the carbonizing tower 1. The production raw materials are added into the carbonizing tower 1 through the liquid feeding pipe 15 and the solid feeding hopper 16.

[0027] Among them, a reaction motor 7 is fixedly installed on the top of the carbonization tower 1, a rotating shaft 8 is rotatably installed on the inner top wall of the carbonization tower 1, the output end of the reaction motor 7 is fixedly connected to the top of the rotating shaft 8, and a stirring blade 9 is fixedly installed on the surface of the rotating shaft 8. The reaction motor 7 drives the rotating shaft 8 to rotate, and drives the rotating shaft 8 to rotate to fuse the reactants.

[0028] Secondly, a reaction heating tube 12 is coiled at the bottom of the guide plate 10, an upper temperature sensor 13 is fixedly installed on the inner wall of the carbonization tower 1 above the partition 2, and a reaction controller 14 is fixedly installed on the surface of the carbonization tower 1. The reaction controller 14 controls the power of the reaction heating tube 12 and the reaction temperature according to the signal of the upper temperature sensor 13.

[0029] Finally, a guide plate 10 is fixedly installed on the inner wall of the carbonization tower 1 above the partition 2, a connecting pipe 11 is fixedly installed on the bottom of the guide plate 10, an electric control valve 111 is fixedly installed on the surface of the connecting pipe 11, and the bottom end of the connecting pipe 11 extends to the interior of the filter barrel 31.

[0030] When this embodiment is in use, after the reaction is completed, the connecting pipe 11 is opened by the electric control valve 111, and the solution containing the precipitate is discharged into the interior of the filter barrel 31. The liquid passes through the filter hole 32, and the precipitate remains in the interior of the filter barrel 31. Then, the power of the purification heating tube 33 is controlled by the purification controller 342 to heat the solution in the filter barrel 31 to a certain temperature, so that one of the precipitates is dissolved, and then discharged through the discharge pipe 4 until the lithium carbonate is dissolved to obtain a lithium carbonate solution. The lithium carbonate can be obtained by separating the lithium carbonate.

[0031] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.

[0032] 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.

[0033] 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 carbonization tower for purifying lithium carbonate, characterized in that: A partition (2) is fixedly mounted on the inner wall of the carbonization tower (1), and a purification device (3) is arranged inside the carbonization tower (1) below the partition (2); The purification device (3) comprises a filter barrel (31) fixedly mounted on the inner bottom wall of a carbonization tower (1), a filter hole (32) being provided on the surface of the filter barrel (31), a purification heating pipe (33) being wound around the inner wall of the carbonization tower (1) below the partition (2), and a control component (34) being fixedly mounted on the inner wall of the carbonization tower (1).

2. A carbonization tower for purifying lithium carbonate according to claim 1, characterized in that: The control component (34) comprises a lower temperature sensor (341) fixedly mounted on the inner wall of the carbonization tower (1) below the partition (2), and a purification controller (342) is fixedly mounted on the surface of the carbonization tower (1) below the partition (2).

3. A carbonization tower for purifying lithium carbonate according to claim 1, characterized in that: A discharge pipe (4) is fixedly installed at the bottom of the carbonization tower (1), and a discharge valve (41) is fixedly installed on the surface of the discharge pipe (4).

4. A carbonization tower for purifying lithium carbonate according to claim 1, characterized in that: A dissolving motor (5) is fixedly mounted at the bottom of the carbonizing tower (1), and an agitator (6) is rotatably mounted on the inner bottom wall of the carbonizing tower (1) located inside the filtering barrel (31), and the output end of the dissolving motor (5) is fixedly connected to the bottom of the agitator (6).

5. A carbonization tower for purifying lithium carbonate according to claim 1, characterized in that: A reaction motor (7) is fixedly mounted on the top of the carbonization tower (1), a rotating shaft (8) is rotatably mounted on the inner top wall of the carbonization tower (1), an output end of the reaction motor (7) is fixedly connected to the top of the rotating shaft (8), and a stirring blade (9) is fixedly mounted on the surface of the rotating shaft (8).

6. A carbonization tower for purifying lithium carbonate according to claim 1, characterized in that: A guide plate (10) is fixedly mounted on the inner side wall of the carbonization tower (1) above the partition plate (2); a connecting pipe (11) is fixedly mounted on the bottom of the guide plate (10); an electric control valve (111) is fixedly mounted on the surface of the connecting pipe (11); and the bottom end of the connecting pipe (11) extends to the interior of the filter barrel (31).

7. A carbonization tower for purifying lithium carbonate according to claim 6, characterized in that: A reaction heating tube (12) is coiled at the bottom of the guide plate (10), an upper temperature sensor (13) is fixedly installed on the inner wall of the carbonization tower (1) above the partition (2), and a reaction controller (14) is fixedly installed on the surface of the carbonization tower (1).

8. A carbonization tower for purifying lithium carbonate according to claim 1, characterized in that: A liquid feeding pipe (15) is fixedly installed on the top of the carbonization tower (1), a solid feeding hopper (16) is fixedly installed on the top of the carbonization tower (1), and a supporting leg (17) is fixedly installed on the bottom of the carbonization tower (1).

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