A reaction kettle for preparing battery-grade trimanganese tetraoxide by a solution method

Abstract

The utility model discloses a kind of reaction kettle of solution method preparation battery grade trimanganese tetroxide, including stirring tank and stirring part: stirring tank is used to place solution to be reacted, there is a rotating part in this stirring tank;The stirring part is located in stirring tank, rotating part drives stirring part to do longitudinal displacement in stirring tank;The stirring part includes the stirring board of being set in stirring tank, multiple holes are formed on the stirring board;Two section holes and one section hole are formed on the sleeve joint hole.The utility model is rotated by two section holes and threaded rod cooperation, so that stirring board moves up in stirring tank, when this time air hole inside stirring board is fully stirred to solution inside stirring tank, when stirring board reaches column two, push plate will push column two from two section holes to one section hole inside, when this time stirring board will move down in stirring tank, the longitudinal displacement of air hole and stirring board itself increases the contact of solution inside stirring tank and stirring board, and then improve the stirring efficiency of entire equipment.

Description

Technical Field

[0001] This utility model relates to the field of solution preparation technology, specifically a reaction vessel for preparing battery-grade manganese tetroxide by solution method. Background Technology

[0002] The reaction vessel for preparing battery-grade manganese tetroxide using the solution method is a key piece of equipment for synthesizing high-purity manganese tetroxide.

[0003] Existing solution-based reactors for preparing battery-grade manganese tetroxide involve adding manganese salts (such as manganese sulfate or manganese chloride) and alkaline solutions (such as sodium hydroxide or ammonia) in a specific ratio. A stirring device ensures thorough mixing of the raw materials, forming a homogeneous reaction system. Under specific temperature, pressure, and pH conditions, the manganese salts react chemically with the alkaline solution to produce manganese hydroxide. This manganese hydroxide is then oxidized to manganese tetroxide using an oxidizing agent (such as air, oxygen, or hydrogen peroxide). After the reaction is complete, the solid manganese tetroxide is separated from the solution using filtration or centrifugation. However, the stirring efficiency significantly affects the overall preparation time. Therefore, a solution-based reactor for preparing battery-grade manganese tetroxide was designed. Utility Model Content

[0004] The purpose of this invention is to provide a reaction vessel for preparing battery-grade manganese tetroxide using a solution method, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a reaction vessel for preparing battery-grade manganese tetroxide using a solution method, comprising a stirring tank and a stirring section: the stirring tank is used to hold the solution to be reacted, and the stirring tank has a rotating section inside; the stirring section is located inside the stirring tank, and the rotating section drives the stirring section to make longitudinal displacement within the stirring tank; the stirring section includes a stirring plate disposed inside the stirring tank, the stirring plate having a connecting hole, the connecting hole cooperating with the rotating section to stir the solution within the stirring tank, the stirring plate having multiple holes; the connecting hole has a two-section hole and a one-section hole, wherein the two-section hole and the one-section hole are both circular and interconnected, the diameter of the one-section hole is larger than the diameter of the two-section hole; the inner wall of the two-section hole is threaded, and the inner wall of the one-section hole is smooth; the stirring tank also has a lower push plate and an upper push plate that cooperate with the stirring plate.

[0006] Preferably, the rotating part has a threaded rod disposed inside the mixing tank and threadedly inserted into the two-section hole. The cross-section of the threaded rod is circular, and the diameter of the threaded rod is smaller than the diameter of the first-section hole.

[0007] Preferably, a second column is fixed at the top end of the threaded rod, and a first column is fixed at the bottom end of the threaded rod. A limiting plate is detachably installed at the bottom end of the first column. Both the second column and the first column are conical cylinders. The diameter of the limiting plate is larger than the diameter of the first section hole, and the diameter of the first column and the side of the first column away from the threaded rod is smaller than the size of the intersection of the second section hole and the first section hole.

[0008] Preferably, the stirring plate has a lower groove at the bottom of the side of the lower push plate and an upper groove at the top of the side of the upper push plate; both the lower groove and the upper groove are arc-shaped.

[0009] Preferably, the outer side of the stirring plate is provided with two connecting plates, and a connecting rod is rotatably connected inside the connecting plate. The connecting rod has two rotatably connected rods.

[0010] Preferably, a sliding block is rotatably connected to the end of the connecting rod away from the connecting plate, and both the sliding block and the stirring plate have a groove for the connecting rod to rotate.

[0011] Preferably, the mixing tank has two limiting grooves that are inserted into the sliding block, and the sliding block is slidably connected to the mixing tank through the limiting grooves.

[0012] Preferably, the mixing tank is provided with a detachable cover, the bottom of the cover and the second column are rotatably connected, the cover has an inlet for the solution and materials to enter, and the bottom of the mixing tank has an outlet.

[0013] Compared with the prior art, the beneficial effects of this utility model are: at least one of the following beneficial effects;

[0014] (1) By setting a stirring plate, a first-stage hole, a second-stage hole, a lower push plate and an upper push plate in the mixing tank, the specific function is to rotate the second-stage hole and the threaded rod together, causing the stirring plate to move upward in the mixing tank. At this time, the air holes inside the stirring plate will fully stir the solution inside the mixing tank. When the stirring plate reaches the second column, the upper push plate will push the second column from the second-stage hole to the first-stage hole. At this time, the stirring plate will move downward in the mixing tank. The air holes and the longitudinal displacement of the stirring plate itself increase the contact between the solution inside the mixing tank and the stirring plate, thereby improving the stirring efficiency of the entire equipment.

[0015] (2) By setting a limiting groove, sliding block and connecting rod in the mixing tank, when the cover and the mixing tank are separated during use, the mixing plate can be completely separated from the mixing tank, so as to facilitate cleaning or replacement of the mixing plate. At the same time, the entire rotating part is located on the cover, so that it can be replaced along with it, reducing the replacement cost of the entire equipment inside the mixing tank. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the exploded front view of this utility model;

[0017] Figure 2 This is a schematic diagram of the stirring section structure of this utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the stirring section of this utility model;

[0019] Figure 4 This is a schematic diagram of a partial internal structure of the mixing tank of this utility model;

[0020] Figure 5 This is a schematic diagram of the rotating part and stirring part of this utility model;

[0021] Figure 6 For the present utility model Figure 5 Schematic diagram of the AA structure;

[0022] Figure 7 This is a schematic diagram of the rotating part and stirring part of this utility model;

[0023] Figure 8 This is a schematic diagram of the 7 BB structure of this utility model.

[0024] In the picture:

[0025] 1. Mixing tank; 11. Lower push plate; 12. Limiting slide groove; 13. Upper push plate;

[0026] 2. Cover; 21. Limiting plate; 22. Threaded rod; 23. Column one; 24. Column two;

[0027] 3. Stirring section; 31. Sleeve hole; 311. First stage hole; 312. Second stage hole; 32. Stirring plate; 33. Connecting rod; 34. Sliding block; 35. Connecting plate; 36. Lower groove opening; 37. Upper groove opening. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1

[0030] like Figure 1-8As shown, a reaction vessel for preparing battery-grade manganese tetroxide by solution method includes a stirring tank 1, a lower pusher plate 11, an upper pusher plate 13, a stirring part 3, a cover body 2, and a two-section hole 312: the stirring tank 1 is used to hold the solution to be reacted, and the stirring tank 1 has a rotating part inside.

[0031] The aforementioned stirring tank 1 should be made of corrosion-resistant materials, such as stainless steel, titanium alloy, or fiberglass, to resist the corrosive media generated during the reaction. The interior of stirring tank 1 is hollow to hold the solution to be reacted, and its bottom is inverted triangular to hold materials that will precipitate later. Stirring tank 1 is also equipped with a heating and cooling system to precisely control the reaction temperature and prevent reaction failure due to overheating or underheating. These devices can be externally mounted and electrically connected and controlled via an external control panel, which is existing technology and will not be described further below.

[0032] The stirring part 3 is located inside the mixing tank 1. The rotating part drives the stirring part 3 to make longitudinal displacement inside the mixing tank 1. The stirring part 3 includes a stirring plate 32 disposed inside the mixing tank 1. In order to enable the stirring plate 32 to move up and down inside the mixing tank 1, and at the same time ensure that it can be offset inside the mixing tank 1, the diameter of the stirring plate 32 should be smaller than that of the mixing tank 1. The specific diameter difference should be matched according to the length of the lower push plate 11 and the upper push plate 13, and can be adjusted appropriately.

[0033] The stirring plate 32 has a connecting hole 31, which is a longitudinal groove penetrating the stirring plate 32. The connecting hole 31 cooperates with the rotating part to stir the solution in the stirring tank 1. The stirring plate 32 has multiple holes. During use, the connecting hole 31 moves up and down in the stirring tank 1. At this time, the stirring plate 32 and the holes inside the stirring plate 32 will fully stir the solution in the stirring tank 1. The pores and the longitudinal displacement of the stirring plate 32 itself will increase the contact between the solution inside the stirring tank 1 and the stirring plate 32, thereby improving the stirring efficiency of the entire equipment.

[0034] The rotating part has a threaded rod 22 that is installed inside the mixing tank 1 and threadedly connected to the second-stage hole 312. The cross-section of the threaded rod 22 is circular. The top end of the threaded rod 22 is fixed with a second column 24, and the bottom end of the threaded rod 22 is fixed with a first column 23.

[0035] Both column 24 and column 1 are conical cylinders. Both column 24 and column 1 are integrally formed with the threaded rod 22, and the diameter of column 24 and column 1 gradually decreases from the threaded rod 22 to both sides.

[0036] The socket 31 has two-section holes 312 and one-section holes 311, both of which are circular and intersect each other. The diameter of the one-section hole 311 is larger than the diameter of the two-section hole 312. The channel formed by the intersection of the two-section holes 312 and the one-section hole 311 is smaller than the diameter of the threaded rod 22 but larger than the minimum diameter of the first column 23 and the second column 24.

[0037] The diameter of the threaded rod 22 is smaller than the diameter of the first-stage hole 311, and the diameter of the first column 23 and the side of the first column 23 away from the threaded rod 22 is smaller than the size of the intersection of the second-stage hole 312 and the first-stage hole 311.

[0038] To ensure that the second-stage hole 312 and the threaded rod 22 can be displaced and fitted, a thread is provided on the inner wall of the second-stage hole 312. To ensure that the first-stage hole 311 can be displaced downward in the mixing tank 1 by gravity, the inner wall of the first-stage hole 311 is made into a smooth surface. In order to ensure smooth downward movement, the smoother the surface, the better.

[0039] To ensure that the stirring plate 32 is always engaged with the threaded rod 22, a limiting plate 21 is detachably installed at the bottom of the column 23. The diameter of the limiting plate 21 is larger than the diameter of the section hole 311 to prevent the stirring plate 32 from falling off the threaded rod 22.

[0040] The mixing tank 1 also has a lower push plate 11 and an upper push plate 13 that cooperate with the mixing plate 32. The lower push plate 11 and the upper push plate 13 are fixed to the mixing tank 1 in the existing way, such as bolt connection. The length of the lower push plate 11 should be controlled so that the mixing plate 32 can be pushed. When the two-stage hole 312 in the mixing plate 32 is inserted into the column 24, the lower push plate 11 is still at the bottom of the mixing plate 32. At this time, the two-stage hole 312 will cooperate with the threaded rod 22 and move upward in the mixing tank 1, and the mixing plate 32 will be able to move upward. 2 should be located at the intersection of the diameter of column 23 and the intersection of the second-stage hole 312 and the first-stage hole 311, so as to ensure that the second-stage hole 312 and the threaded rod 22 are pushed and inserted. The length of the upper push plate 13 should be controlled so that the stirring plate 32 can be pushed. When the first-stage hole 311 and the threaded rod 22 are inserted, since the length of the first-stage hole 311 is greater than that of the threaded rod 22, it will descend in the stirring tank 1 under the action of gravity. In order to ensure the descent of the stirring plate 32, it should be made of a material with greater gravity.

[0041] The bottom of the stirring plate 32 located on the side of the lower push plate 11 has a lower groove 36, and the top of the stirring plate 32 located on the side of the upper push plate 13 has an upper groove 37. Both the lower groove 36 and the upper groove 37 are arc-shaped and are used to cooperate with the upper push plate 13 and the lower push plate 11 to reduce the probability of jamming and pushing failure during use.

[0042] All of the above materials should be made of corrosion-resistant materials, such as stainless steel, titanium alloy or fiberglass, to resist the corrosive media generated during the reaction. The specific size of the mixing tank 1 and the mixing plate 32 should be determined according to the position where the mixing plate 32 needs to be offset, so as to avoid the phenomenon that the mixing plate 32 cannot be offset within the sleeve hole 31.

[0043] The effect achieved by the entire first embodiment is that, when used, as Figure 5-7 As shown, a section hole 311 and a threaded rod 22 are inserted, causing the section hole 311 to reach the connection between the column 24 and the threaded rod 22, pushing the stirring plate 32, and inserting the second section hole 312 and the threaded rod 22. At this time, the second section hole 312 will drive the stirring plate 32 to move upward in the stirring tank 1 under the action of the thread. When the upper groove 37 on one side of the stirring plate 32 abuts against the upper push plate 13, the upper push plate 13 will push the stirring plate 32, so that the first section hole 311 and the threaded rod 22 are inserted. At this time, the cover 2 and the stirring tank 1 are connected, and the threaded rod 22 is controlled to rotate. Since the length of the first section hole 311 is greater than that of the threaded rod 22, it will descend in the stirring tank 1 under the action of gravity. Due to the air hole and the longitudinal displacement of the stirring plate 32 itself, the contact between the solution inside the stirring tank 1 and the stirring plate 32 will be increased, thereby improving the stirring efficiency of the entire equipment.

[0044] Example 2

[0045] like Figure 1-8 As shown, a reaction vessel for preparing battery-grade manganese tetroxide by solution method is provided with two connecting plates 35 on the outside of the stirring plate 32. A connecting rod 33 is rotatably connected inside the connecting plate 35. The connecting rod 33 has two rotatably connected rods. The two rotatably connected rods make the stirring plate 32 in a state that can be offset but will not rotate in the stirring tank 1. This limits the stirring plate 32 to ensure that the stirring plate 32 is longitudinally displaced in the stirring tank 1, rather than rotating synchronously with the threaded rod 22.

[0046] The end of the connecting rod 33 away from the connecting plate 35 is rotatably connected to a sliding block 34. The connecting plate 35 and the sliding block 34 have enough space for the connecting rod 33 to rotate without mechanical interference. Both the sliding block 34 and the stirring plate 32 have a groove for the connecting rod 33 to rotate. The sliding block 34 has a convex design.

[0047] The mixing tank 1 has two limiting grooves 12 that correspond to and are inserted into the sliding block 34. The sliding block 34 is slidably connected to the mixing tank 1 through the limiting grooves 12. The limiting grooves 12 are concave in design. After the limiting grooves 12 and the sliding block 34 are inserted, their concave-convex design ensures that the limiting grooves 12 and the sliding block 34 will not fall off when the mixing plate 32 is pushed. Figure 1As shown, the two limiting grooves 12 are designed to pass through, so that the entire stirring part 3 can be removed from the stirring tank 1 for replacement and cleaning. In order to ensure use, the sliding block 34 and the limiting groove 12 are not designed symmetrically, but are distributed along the center of the circle. Their specific placement position varies with the size of the stirring tank 1 and the design of the stirring plate 32.

[0048] The mixing tank 1 is equipped with a detachable cover 2, and the cover 2 and the mixing tank 1 are fixedly connected by existing installation methods, such as bolts or snap-fit ​​connections. The bottom of the cover 2 and the second column 24 are rotatably connected by an existing shaft. The cover 2 has a feed port for the inlet of solution and materials. The feed port can be equipped with a three-way valve and a multi-way valve for material conveying as needed. The bottom of the mixing tank 1 has a discharge port with a ball valve for controlling the discharge. The three-way valve, multi-way valve and ball valve are electrically connected to an external control panel. An external drive motor should also be installed on the cover 2. The output end of the drive motor extends to the bottom of the cover 2 and is fixedly connected to the top of the second column 24 to drive the threaded rod 22 to rotate inside the mixing tank 1.

[0049] All of the above materials should be made of corrosion-resistant materials, such as stainless steel, titanium alloy, or fiberglass, to resist the corrosive media generated during the reaction process.

[0050] The effect achieved by the entire embodiment 2 is that when the stirring plate 32 is pushed by the lower push plate 11 and the upper push plate 13, the connecting rod 33 will rotate under force. At this time, the distance between the sliding block 34 and the connecting plate 35 will change, ensuring that the stirring plate 32 is in a movable state within the stirring tank 1. Simultaneously, after the cover 2 and the sliding block 34 are inserted, their "concave-convex" design ensures that the limiting groove 12 and the sliding block 34 will not fall off when the stirring plate 32 is pushed. Furthermore, as... Figure 1 As shown, the two limiting grooves 12 are designed to pass through, so that the entire stirring part 3 can be removed from the stirring tank 1 for replacement and cleaning. In order to ensure use, the sliding block 34 and the limiting groove 12 are not designed symmetrically, but are distributed along the center of the circle. Their specific placement position varies with the size of the stirring tank 1 and the design of the stirring plate 32.

[0051] Working principle: When using the solution method to prepare battery-grade manganese tetroxide in a reactor with an external power supply, the three-way valve, multi-way valve, and ball valve are controlled via the control panel. Manganese salts such as manganese sulfate and manganese chloride, and alkaline solutions such as sodium hydroxide and ammonia are added to the reactor in proportion. The first-stage hole 311 and threaded rod 22 are then connected, causing the first-stage hole 311 to reach the connection between column 24 and threaded rod 22. This pushes the stirring plate 32, connecting the second-stage hole 312 and threaded rod 22. Then, the drive motor on the top of the cover 2 is controlled to operate, which in turn controls the operation of column 24, threaded rod 22, and column 23. At this time, the second-stage hole 312 will be connected to the threaded rod 22. Under the action of the threaded rod 22, the stirring plate 32 is driven to move upward in the stirring tank 1. When the upper groove 37 on one side of the stirring plate 32 abuts against the upper push plate 13, the upper push plate 13 will push the stirring plate 32, so that a section hole 311 and the threaded rod 22 are inserted. At this time, the section hole 311 connects the cover 2 and the stirring tank 1, and controls the rotation of the threaded rod 22. Since the length of the section hole 311 is greater than that of the threaded rod 22, it will descend in the stirring tank 1 under the action of gravity. Due to the air hole and the longitudinal displacement of the stirring plate 32 itself, the contact between the solution inside the stirring tank 1 and the stirring plate 32 will be increased, thereby improving the stirring efficiency of the entire equipment.

[0052] Secondly, when the stirring plate 32 is pushed by the lower push plate 11 and the upper push plate 13, the connecting rod 33 will rotate under force. At this time, the distance between the sliding block 34 and the connecting plate 35 will change, ensuring that the stirring plate 32 is in a movable state within the mixing tank 1. Simultaneously, after the cover 2 and the sliding block 34 are inserted, their "concave-convex" design ensures that the limiting groove 12 and the sliding block 34 will not fall off when the stirring plate 32 is pushed. Furthermore, if... Figure 1 As shown, the two limiting grooves 12 are designed to pass through, so that the entire stirring part 3 can be removed from the stirring tank 1 for replacement and cleaning. In order to ensure use, the sliding block 34 and the limiting groove 12 are not designed symmetrically, but are designed to be distributed along the center. Their specific placement position varies with the size of the stirring tank 1 and the design of the stirring plate 32, so as to complete the work.

[0053] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A reaction vessel for preparing battery-grade manganese tetroxide using a solution method, characterized in that, include: A stirred tank (1) is used to hold the solution to be reacted, and the stirred tank (1) has a rotating part inside; The stirring part (3) is located inside the mixing tank (1), and the rotating part drives the stirring part (3) to make longitudinal displacement inside the mixing tank (1); The stirring part (3) includes a stirring plate (32) disposed in the stirring tank (1). The stirring plate (32) has a connecting hole (31). The connecting hole (31) cooperates with the rotating part to stir the solution in the stirring tank (1). The stirring plate (32) has multiple holes. The socket (31) has two-section holes (312) and one-section holes (311), wherein the two-section holes (312) and one-section holes (311) are both circular and intersecting each other. The diameter of the one-section hole (311) is larger than the diameter of the two-section holes (312). The inner wall of the two-section hole (312) is provided with threads, and the inner wall of the one-section hole (311) is a smooth surface; The mixing tank (1) also has a lower push plate (11) and an upper push plate (13) that cooperate with the mixing plate (32).

2. The reaction vessel for preparing battery-grade manganese tetroxide by solution method according to claim 1, characterized in that: The rotating part has a threaded rod (22) that is installed inside the mixing tank (1) and threaded into the two-section hole (312). The cross-section of the threaded rod (22) is circular, and the diameter of the threaded rod (22) is smaller than the diameter of the first-section hole (311).

3. The reaction vessel for preparing battery-grade manganese tetroxide by solution method according to claim 2, characterized in that: The top end of the threaded rod (22) is fixed with a second column (24), and the bottom end of the threaded rod (22) is fixed with a first column (23). The bottom end of the first column (23) is detachably fitted with a limit plate (21). Both the second column (24) and the first column (23) are conical cylinders. The diameter of the limiting plate (21) is larger than the diameter of the first hole (311). The diameter of the first column (23) and the side of the first column (23) away from the threaded rod (22) is smaller than the size of the intersection of the second hole (312) and the first hole (311).

4. The reaction vessel for preparing battery-grade manganese tetroxide by solution method according to claim 1, characterized in that: The stirring plate (32) has a lower groove (36) at the bottom of the side of the lower push plate (11), and an upper groove (37) at the top of the side of the upper push plate (13). Both the lower slot (36) and the upper slot (37) are arc-shaped.

5. The reaction vessel for preparing battery-grade manganese tetroxide by solution method according to claim 4, characterized in that: Two connecting plates (35) are provided on the outer side of the stirring plate (32), and a connecting rod (33) is rotatably connected inside the connecting plate (35). The connecting rod (33) has two rotatably connected rods.

6. The reaction vessel for preparing battery-grade manganese tetroxide by solution method according to claim 5, characterized in that: The end of the connecting rod (33) away from the connecting plate (35) is rotatably connected to a sliding block (34), and both the sliding block (34) and the stirring plate (32) have a groove for the connecting rod (33) to rotate.

7. The reaction vessel for preparing battery-grade manganese tetroxide by solution method according to claim 6, characterized in that: The mixing tank (1) has two limiting grooves (12) that are inserted into the sliding block (34) respectively. The sliding block (34) is slidably connected to the mixing tank (1) through the limiting grooves (12).

8. The reaction vessel for preparing battery-grade manganese tetroxide by solution method according to claim 3, characterized in that: The mixing tank (1) is provided with a detachable cover (2), the bottom of the cover (2) and the second column (24) are rotatably connected, the cover (2) has an inlet for the solution and materials to enter, and the bottom of the mixing tank (1) has an outlet.

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