Washing and precipitating device for lithium carbonate production

Abstract

The utility model belongs to the technical field of lithium carbonate production, and particularly relates to a washing and precipitating device for lithium carbonate production, which comprises a vertical plate, the vertical plate is n-shaped, two side plates of the vertical plate are sleeved with two side plates of an n-shaped lifting plate, and the lifting plate is fixedly connected with a cover cylinder. According to the utility model, through the arrangement of the cover cylinder, the filter disc, the stirring piece, the push-pull piece and the rotating shaft, the stirring piece can be driven by the push-pull piece to descend, so that the rotating scraping plate on the stirring piece can descend to abut against the filter disc, and when a solution is filtered, precipitated lithium carbonate on the filter disc is scraped, so that the filtering efficiency of the filter disc is not influenced; the filtering efficiency of the solution is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium carbonate production, and particularly relates to a washing and precipitation device for lithium carbonate production. Background Art

[0002] Lithium carbonate is a colorless monoclinic crystal or white powder. Its density is 2.11. The melting point is 618 °C. It has no deliquescence and is stable in the air. Its solubility in water is very small, and the solubility decreases with the increase of temperature. Its solubility in cold water is greater than that in hot water. It is soluble in dilute acids and insoluble in ethanol and acetone. When carbon dioxide is passed into the aqueous suspension of lithium carbonate, lithium carbonate is converted into lithium hydrogen carbonate and dissolved. If the solution of lithium hydrogen carbonate is heated again, carbon dioxide is released and lithium carbonate precipitates. This property of lithium carbonate can be used to remove impurities therein. Due to the strong polarizability of lithium ions, the thermal stability of lithium carbonate is slightly worse than that of other alkali metal carbonates. When heated above the melting point, it will decompose to produce lithium oxide and carbon dioxide.

[0003] In the production process of lithium carbonate, washing the lithium carbonate precipitate is an important step. The purpose of washing is to remove the impurities attached to the lithium carbonate precipitate to improve the purity of the product. In this process, stirring is a necessary operation, which helps to improve the washing effect. By stirring, it can ensure that the washing liquid is in full contact with the precipitate, so as to more effectively remove impurities. In addition, stirring also helps to prevent the precipitate from caking or forming large lumps during the washing process, ensuring the uniformity and efficiency of washing. Therefore, stirring plays a crucial role in the process of washing and precipitating lithium carbonate.

[0004] Problems existing in the prior art:

[0005] The existing washing and precipitation device has a relatively single function. When precipitating lithium carbonate, it is not convenient to perform operations to promote the filtration effect of the precipitated lithium carbonate, resulting in slow filtration of the solution. Secondly, it does not have a function of collecting the impurities floating in the solution, so that the impurities are mixed with the precipitated lithium carbonate after the solution is filtered, affecting the purity of lithium carbonate. Content of the Utility Model

[0006] The purpose of the utility model is to provide a washing and precipitation device for lithium carbonate production, which can solve the problems that the existing washing and precipitation device has a relatively single function, is not convenient to perform operations to promote the filtration effect of the precipitated lithium carbonate when precipitating lithium carbonate, resulting in slow filtration of the solution, and secondly, it does not have a function of collecting the impurities floating in the solution, so that the impurities are mixed with the precipitated lithium carbonate after the solution is filtered, affecting the purity of lithium carbonate.

[0007] The technical solution adopted by the utility model is specifically as follows:

[0008] A washing and precipitation device for lithium carbonate production, including a vertical plate. The vertical plate is in an n-shaped configuration, and the two side plates thereof are sleeved with the two side plates of a lifting plate which is also in an n-shaped configuration. The lifting plate is fixedly connected to a cover cylinder. The cover cylinder is of a double-layer hollow structure and is adapted to a cover. The cover is rotatably connected to a rotating shaft through a bearing. The rotating shaft is connected to both a stirring member and a pushing and pulling member. The upper end of the rotating shaft is fixedly connected to the output shaft of a first motor installed on the cover.

[0009] The vertical plate is fixedly connected to a support platform. Both the support platform and the vertical plate are rotatably connected to a second lead screw through bearings. The second lead screw is threadedly connected to the lifting plate. The lower end of the second lead screw is fixedly connected to the output shaft of a third motor installed on the bottom surface of the support platform.

[0010] The cover is fixedly connected to a linkage plate in an L-shaped configuration. The linkage plate is fixedly connected to two slide rail columns. Both of the two slide rail columns are sleeved with the lifting plate. The linkage plate is rotatably connected to a first lead screw through a bearing. The first lead screw is rotatably connected to the lifting plate. The upper end of the first lead screw is fixedly connected to the output shaft of a second motor installed on the linkage plate.

[0011] An adapter ring, a filter plate and a collection plate are fixedly provided on the support platform. The filter plate is located between the adapter ring and the collection plate. A drain pipe is fixedly provided on the collection plate, and a control valve is fixedly provided on the drain pipe.

[0012] The adapter ring is in a conical shape and is adapted to a rubber ring which is also conically arranged. The rubber ring is fixedly provided on the lower end of the outer peripheral surface of the cover cylinder. The cover cylinder is in a shape that is vertically interconnected.

[0013] The stirring member includes a slide rail plate which is fixedly connected to the lower end of the rotating shaft. Two stirring frames are fixedly provided on the slide rail plate. Multiple flow dividing plates are fixedly provided in the two stirring frames. The slide rail plate is sleeved with both a first sleeve and a second sleeve. Two first connecting plates are fixedly provided between the first sleeve and the second sleeve.

[0014] The second sleeve is connected to a ladle rotating member. The first sleeve is fixedly connected to two stabilizing plates. The two stabilizing plates are in a symmetric L-shaped configuration, and both of the two stabilizing plates are fixedly connected to a rotating scraper.

[0015] The ladle rotating member includes an L-shaped insertion card plate which is sleeved with a jack formed on the second sleeve. The insertion card plate is fixedly connected to a fixing plate. The fixing plate is fixedly connected to a ladle net frame. The ladle net frame is in an L-shaped configuration, and the free side of the bottom surface of the ladle net frame is an inclined surface.

[0016] The push-pull member includes a push-pull column, which is sleeved on the cover. The upper end of the push-pull column is fixedly connected to the second connecting plate, and the second connecting plate is fixedly connected to the protruding end of the electric push rod, which is installed on the cover.

[0017] The lower end of the push-pull column is fixedly connected to the push-pull plate, the push-pull plate is rotatably connected to the upper end of the sleeve ring through a bearing, the sleeve ring is sleeved with the rotating shaft, and the lower end of the sleeve ring is fixedly connected to the second sleeve frame.

[0018] The technical effects achieved by the utility model are:

[0019] The utility model, through the arrangement of the cover tube, the filter disc, the stirring member, the push-pull member and the rotating shaft, can make the stirring member driven by the push-pull member to descend, so that the rotating scraper on the stirring member can be lowered to abut against the filter disc, so that when filtering the solution, the precipitated lithium carbonate on the filter disc can be scraped, thereby not affecting the filtering efficiency of the filter disc and improving the filtering efficiency of the solution.

[0020] The utility model, through the setting of the stirring member and the rotating scoop member, can make the scoop net frame on the rotating scoop member rotate under the drive of the stirring member, so as to filter the upper part of the solution in the cover tube by the rotating scoop, so as to collect the floating impurities, so as to avoid the impurities and the precipitated lithium carbonate from mixing and affecting the purity after the solution is filtered.

[0021] The utility model, through the arrangement of the lifting plate, the slide rail column, the first lead screw, the second lead screw, the linkage plate, the cover cap, the cover barrel, the rubber ring and the connecting ring, can make the second lead screw driven by the third motor, so that the second lead screw drives the lifting and the cover barrel to move up and away from the connecting ring, thereby facilitating the collection of the lithium carbonate filtered on the green disk; secondly, the second motor can drive the first lead screw to separate the cover cap from the cover barrel, thereby facilitating the removal and cleaning of the rotating scoop component and the cleaning of the impurities taken by the filtering scoop, thereby facilitating the sedimentation and impurity removal operation for the next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view structural schematic diagram of the utility model;

[0023] Figure 2 It is a schematic structural diagram of a cross section of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the stirring member in the utility model;

[0025] Figure 4 It is a structural schematic diagram of the transfer scoop member of the utility model;

[0026] Figure 5 It is a structural schematic diagram of the push-pull member in the utility model.

[0027] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0028] 1. Vertical plate; 2. Lifting plate; 3. Cover cylinder; 31. Rubber ring; 4. Rotating shaft; 5. First motor; 6. Stirring member; 61. Slide rail plate; 62. Stirring frame; 63. First sleeve frame; 64. Stabilizing plate; 65. Rotating scraping plate; 66. Second sleeve frame; 67. Rotating ladle member; 671. Insertion card plate; 672. Fixed plate; 673. Ladle net frame; 68. First connecting plate; 7. Pushing and pulling member; 71. Pushing and pulling column; 72. Second connecting plate; 73. Electric push rod; 74. Pushing and pulling plate; 75. Socket ring; 8. Linking plate; 9. Slide rail column; 10. Second motor; 11. First lead screw; 12. Second lead screw; 13. Third motor; 14. Support platform; 15. Connecting ring; 16. Filter disc; 17. Controller; 18. Collection tray; 19. Drain pipe; 20. Control valve; 21. Cover. Detailed implementation mode

[0029] In order to make the purpose and advantages of the present utility model more clear and understandable, the present utility model will be specifically described below in conjunction with embodiments. It should be understood that the following text is only used to describe one or several specific implementation manners of the present utility model, and does not strictly limit the scope of protection specifically claimed by the present utility model.

[0030] As Figure 1 shown, a washing and precipitation device for lithium carbonate production includes a vertical plate 1. The vertical plate 1 is in an n-shaped shape, and the two side plates are sleeved with the two side plates of the n-shaped lifting plate 2. The lifting plate 2 is fixedly connected to the cover cylinder 3. The cover cylinder 3 is of a double-layer hollow structure. The cover cylinder 3 is adapted to the cover 21. The cover 21 is rotatably connected to the rotating shaft 4 through a bearing. The rotating shaft 4 is connected to both the stirring member 6 and the pushing and pulling member 7. The upper end of the rotating shaft 4 is fixedly connected to the output shaft of the first motor 5 installed on the cover 21. Two conveying pipes for conveying heating medium are fixedly provided on the cover cylinder 3;

[0031] The vertical plate 1 is fixedly connected to the support platform 14. The support platform 14 and the vertical plate 1 are both rotatably connected to the second lead screw 12 through bearings. The second lead screw 12 is threadedly connected to the lifting plate 2. The lower end of the second lead screw 12 is fixedly connected to the output shaft of the third motor 13 installed on the bottom surface of the support platform 14.

[0032] Refer to the attached Figure 2, the cover 21 is fixedly connected to the linkage plate 8 in an L shape. The linkage plate 8 is fixedly connected to both slide rail columns 9. Both slide rail columns 9 are sleeved with the lifting plate 2. The linkage plate 8 is rotatably connected to the first lead screw 11 through a bearing. The first lead screw 11 is rotatably connected to the lifting plate 2. The upper end of the first lead screw 11 is fixedly connected to the output shaft of the second motor 10 installed on the linkage plate 8. By controlling the second motor 10 to start through the controller 17, the second motor 10 drives the first lead screw 11 to rotate and drives the linkage plate 8 and the cover 21 to separate from the cover cylinder 3, so as to facilitate removing the swivel spoon part 67 for cleaning impurities.

[0033] Furthermore, an adapter ring 15, a filter disc 16 and a collection tray 18 are fixedly arranged on the support table 14. The filter disc 16 is located between the adapter ring 15 and the collection tray 18. A drain pipe 19 is fixedly arranged on the collection tray 18, and a control valve 20 is fixedly arranged on the drain pipe 19.

[0034] According to the above structure, open the control valve 20 to discharge the solution. At the same time, the rotating scraping plate 65 rotates and scrapes the precipitated lithium carbonate filtered on the filter disc 16, so that the solution can be filtered out through the filter disc 16 in time, thus not affecting the filtration efficiency.

[0035] Even further, the adapter ring 15 is in a conical shape and is adapted to the conically arranged rubber ring 31. The rubber ring 31 is fixedly arranged at the lower end of the outer peripheral surface of the cover cylinder 3. The cover cylinder 3 is in a shape that is interconnected up and down. By controlling the third motor 13 to start through the controller 17, the third motor 13 drives the second lead screw 12 to rotate, and the second lead screw 12 drives the lifting plate 2 and the cover cylinder 3 to move up synchronously to disengage from the clamping connection with the adapter ring 15, so as to facilitate collecting the lithium carbonate on the filter disc 16.

[0036] Refer to the appendix Figure 3 , the stirring member 6 includes a slide rail plate 61. The slide rail plate 61 is fixedly connected to the lower end of the rotating shaft 4. Two stirring frames 62 are fixedly arranged on the slide rail plate 61. Multiple flow dividing plates are fixedly arranged in the two stirring frames 62. The slide rail plate 61 is sleeved with both the first sleeve frame 63 and the second sleeve frame 66. Two first connecting plates 68 are fixedly arranged between the first sleeve frame 63 and the second sleeve frame 66.

[0037] Furthermore, the second sleeve frame 66 is connected to the swivel spoon part 67. The first sleeve frame 63 is fixedly connected to two stabilizing plates 64. The two stabilizing plates 64 are in a symmetric L shape, and both the two stabilizing plates 64 are fixedly connected to the scraping plate 65.

[0038] According to the above structure, by controlling the first motor 5 to start through the controller 17, the first motor 5 drives the rotating shaft 4 and the two stirring frames 62 on the stirring member 6 to rotate to stir the liquid in the cover cylinder 3.

[0039] Refer to the appendix Figure 4, the ladle turning member 67 includes a card insertion plate 671 in an L shape. The card insertion plate 671 is sleeved in the jack formed on the second sleeve frame 66. The card insertion plate 671 is fixedly connected to a fixing plate 672, and the fixing plate 672 is fixedly connected to a ladle net frame 673. The ladle net frame 673 is in an L shape, and the free side of the bottom surface of the ladle net frame 673 is an inclined surface.

[0040] According to the above structure, the stirring member 6 can drive the ladle net frame 673 on the ladle turning member 67 to rotate to filter and collect the impurities floating on the upper part of the solution.

[0041] Refer to the attached Figure 5 , the pushing and pulling member 7 includes a pushing and pulling column 71. The pushing and pulling column 71 is sleeved on the cover 21. The upper end of the pushing and pulling column 71 is fixedly connected to a second connecting plate 72, and the second connecting plate 72 is fixedly connected to the extending end of an electric push rod 73. The electric push rod 73 is installed on the cover 21.

[0042] Further, the lower end of the pushing and pulling column 71 is fixedly connected to a pushing and pulling plate 74. The pushing and pulling plate 74 is rotationally connected to the upper end of a socket ring 75 through a bearing. The inside of the socket ring 75 is sleeved with a rotating shaft 4, and the lower end of the socket ring 75 is fixedly connected to the second sleeve frame 66.

[0043] According to the above structure, by controlling the electric push rod 73 on the pushing and pulling member 7 to contract through the controller 17, the electric push rod 73 drives the second connecting plate 72 and the pushing and pulling column 71 to move downward synchronously. The pushing and pulling column 71 drives the pushing and pulling plate 74 and the socket ring 75 to push the second sleeve frame 66 to descend along the slide rail plate 61. At the same time, the first sleeve frame 63 is driven to descend synchronously through the first connecting plate 68 and the rotating scraping plate 65 is driven to descend and abut against the filter disc 16.

[0044] The working principle of the present utility model is as follows: By controlling the first motor 5 to start through the controller 17, the first motor 5 drives the rotating shaft 4 and the two stirring frames 62 on the stirring member 6 to rotate to stir the liquid in the cover cylinder 3, so as to precipitate lithium carbonate. During filtration, the electric push rod 73 on the pushing and pulling member 7 can be controlled to contract through the controller 17. The electric push rod 73 drives the second connecting plate 72 and the pushing and pulling column 71 to move downward synchronously. The pushing and pulling column 71 drives the pushing and pulling plate 74 and the socket ring 75 to push the second sleeve frame 66 to descend along the slide rail plate 61. At the same time, the first sleeve frame 63 is driven to descend synchronously through the first connecting plate 68 and the rotating scraping plate 65 is driven to descend and abut against the filter disc 16. Then, the control valve 20 is opened to discharge the solution. At the same time, the rotating scraping plate 65 rotates to scrape the precipitated lithium carbonate filtered on the filter disc 16, so that the solution can be filtered out through the filter disc 16 in time, which will not affect the filtration efficiency. At the same time, the stirring member 6 drives the ladle net frame 673 on the ladle turning member 67 to rotate to filter and collect the impurities floating on the upper part of the solution;

[0045] After the filtrate is discharged, the third motor 13 can be controlled by the controller 17 to start. The third motor 13 drives the second lead screw 12 to rotate, and the second lead screw 12 drives the lifting plate 2 and the cover cylinder 3 to move upward synchronously to disengage from the clamping connection with the connecting ring 15, so as to facilitate the collection of lithium carbonate on the filter disc 16. Then, the second motor 10 is controlled by the controller 17 to start. The second motor 10 drives the first lead screw 11 to rotate and drives the linkage plate 8 and the cover 21 to separate from the cover cylinder 3, so as to facilitate the removal of the rotary ladle member 67 for cleaning impurities.

[0046] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and retouches can be made, and these improvements and retouches should also be regarded as the protection scope of the present invention. The structures, devices, and operation methods not specifically described and explained in the present invention are implemented according to the conventional means in this field without special explanation and limitation.

Claims

1. A lithium carbonate production washing and precipitation device, comprising a vertical plate (1), characterized in that: The vertical plate (1) is configured to be in an n-shaped shape and the two side plates are sleeved with the two side plates of the lifting plate (2) configured to be in an n-shaped shape; the lifting plate (2) is fixedly connected to the cover cylinder (3); the cover cylinder (3) is configured to be a double-layer hollow structure; the cover cylinder (3) is adapted to the cover cover (21); the cover cover (21) is rotatably connected to the rotating shaft (4) via a bearing; the rotating shaft (4) is connected to both the stirring member (6) and the push-pull member (7); and the upper end of the rotating shaft (4) is fixedly connected to the output shaft of a first motor (5) mounted on the cover cover (21); The vertical plate (1) is fixedly connected to the support platform (14); the support platform (14) and the vertical plate (1) are both rotatably connected to the second lead screw (12) via bearings; the second lead screw (12) is threadedly connected to the lifting plate (2); the lower end of the second lead screw (12) is fixedly connected to the output shaft of a third motor (13) mounted on the bottom surface of the support platform (14).

2. A lithium carbonate production washing and precipitation device according to claim 1, characterized in that: The cover (21) is fixedly connected to an L-shaped linkage plate (8), the linkage plate (8) is fixedly connected to two slide rail columns (9), the two slide rail columns (9) are sleeved with the lifting plate (2), the linkage plate (8) is rotationally connected to a first lead screw (11) via a bearing, the first lead screw (11) is rotationally connected to the lifting plate (2), and the upper end of the first lead screw (11) is fixedly connected to an output shaft of a second motor (10) mounted on the linkage plate (8).

3. A lithium carbonate production washing and precipitation device according to claim 1, characterized in that: A connecting ring (15), a filter plate (16) and a collecting plate (18) are fixedly provided on the support platform (14); the filter plate (16) is located between the connecting ring (15) and the collecting plate (18); a drain pipe (19) is fixedly provided on the collecting plate (18); and a control valve (20) is fixedly provided on the drain pipe (19).

4. A lithium carbonate production washing and precipitation device according to claim 3, characterized in that: The connecting ring (15) is configured in a conical shape, the connecting ring (15) is matched with a conically arranged rubber ring (31), the rubber ring (31) is fixedly arranged at the lower end of the outer peripheral surface of the cover tube (3), and the cover tube (3) is configured in a shape that is interconnected from top to bottom.

5. A lithium carbonate production washing and precipitation device according to claim 1, characterized in that: The stirring member (6) comprises a slide rail plate (61), the slide rail plate (61) being fixedly connected to the lower end of the rotating shaft (4), two stirring frames (62) being fixedly arranged on the slide rail plate (61), a plurality of flow divider plates being fixedly arranged in the two stirring frames (62), the slide rail plate (61) being sleeved with both the first sleeve frame (63) and the second sleeve frame (66), and two first connecting plates (68) being fixedly arranged between the first sleeve frame (63) and the second sleeve frame (66).

6. A lithium carbonate production washing and precipitation device according to claim 5, characterized in that: The second sleeve frame (66) is connected to the rotating scoop member (67), and the first sleeve frame (63) is fixedly connected to two stabilizing plates (64), the two stabilizing plates (64) are configured to be symmetrical L-shaped, and the two stabilizing plates (64) are fixedly connected to the rotating scraper plate (65).

7. A lithium carbonate production washing and precipitation device according to claim 6, characterized in that: The rotating scoop member (67) comprises an L-shaped card insertion plate (671), the card insertion plate (671) being socketed with a socket provided on the second sleeve frame (66), the card insertion plate (671) being fixedly connected to a fixing plate (672), the fixing plate (672) being fixedly connected to a scoop net frame (673), the scoop net frame (673) being L-shaped, and a free side of a bottom surface of the scoop net frame (673) being an inclined surface.

8. A lithium carbonate production washing and precipitation device according to claim 1, characterized in that: The push-pull member (7) comprises a push-pull column (71), the push-pull column (71) is sleeved on the cover (21), the upper end of the push-pull column (71) is fixedly connected to a second connecting plate (72), the second connecting plate (72) is fixedly connected to the protruding end of an electric push rod (73), and the electric push rod (73) is mounted on the cover (21).

9. A lithium carbonate production washing and precipitation device according to claim 8, characterized in that: The lower end of the push-pull column (71) is fixedly connected to the push-pull plate (74), the push-pull plate (74) is rotatably connected to the upper end of the sleeve ring (75) via a bearing, the sleeve ring (75) is sleeved with the rotating shaft (4), and the lower end of the sleeve ring (75) is fixedly connected to the second sleeve frame (66).

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