Reaction box for preparing lithium sulfate solution
By designing a reaction chamber for preparation of lithium sulfate solution including feed hopper, mounting frame, drive motor and stirring rod, the problems of inaccurate control of dilute sulfuric acid and lithium carbonate and uneven stirring in the prior art are solved, and more efficient reaction control and uniformity are achieved.
Patent Information
- Application Number
- CN202421871618.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-08-05
AI Technical Summary
In the preparation process of lithium sulfate solution, it is not convenient to accurately control the amount of dilute sulfuric acid and lithium carbonate, which affects the reaction effect, and the bottom stirring function is insufficient, resulting in uneven reaction.
A reaction box for preparation of lithium sulfate solution was designed, including a feed hopper, mounting frame, drive motor and stirring rod. By precisely controlling the addition of dilute sulfuric acid and lithium carbonate, and driving the stirring rod to rotate at the bottom of the reaction box, sufficient stirring is achieved.
This reaction box facilitates precise control of dilute sulfuric acid and lithium carbonate, improves the uniformity and efficiency of the reaction, reduces heat consumption, and extends the service life of the heating pipe.
Smart Images

Figure CN222855368U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium sulfate solution preparation, in particular to a reaction box for preparing lithium sulfate solution. Background Art
[0002] Lithium sulfate solution is one of the raw materials for lithium-ion battery production. During the lithium sulfate production process, dilute sulfuric acid needs to be slowly added to the suspension of lithium carbonate stored in the reaction box, and stirred to react, thereby obtaining a lithium sulfate solution.
[0003] The Chinese patent authorization publication number is CN219964865U, which discloses a lithium sulfate solution decalcification intelligent reactor, which relates to the field of lithium sulfate processing technology. The utility model includes a machine body and a motor, and a reaction component is arranged on the machine body. The reaction component includes a bracket, a support is connected under the bracket, a heating tube is installed in the support, and an inner cylinder is connected to the outer ring of the support. The utility model places the heating tube inside the machine body through the setting of the reaction component and wraps it with the support for protection, so that the heat generated by the heating tube can be completely absorbed by lithium sulfate and sodium carbonate, which not only reduces the heat consumption but also prevents lithium sulfate and sodium carbonate from affecting the service life of the heating tube. At the same time, the support can support the inner cylinder and the outer cylinder, and the inner cylinder and the outer cylinder rotate in different directions and at different speeds through the meshing of two first bevel gears and two second bevel gears, thereby increasing turbulence and increasing mixing efficiency, reducing heat consumption and thus reducing the energy consumption of the heating tube, and increasing mixing efficiency at the same time.
[0004] Most of the existing technical solutions have the following defects: it is not convenient to accurately control the amount of added dilute sulfuric acid and lithium carbonate, which is easy to affect the reaction effect, and at the same time, it does not have a good stirring function on the bottom, resulting in poor uniformity of the reaction. Therefore, the utility model provides a reaction box for preparing a lithium sulfate solution to solve the above-mentioned problems. Utility Model Content
[0005] The utility model aims to provide a reaction box for preparing lithium sulfate solution, so as to solve the problems proposed in the above-mentioned background technology that it is inconvenient to control the amount of added dilute sulfuric acid and lithium carbonate more accurately, which easily affects the reaction effect, and at the same time, it does not have a good stirring function on the bottom, resulting in poor uniformity of the reaction.
[0006] To achieve the above object, the utility model provides the following technical solution: a reaction box for preparing a lithium sulfate solution, comprising a reaction box body, a box cover arranged on the outer side of the upper end of the reaction box body, and a support column fixedly installed at the outer end of the reaction box body by screws, and also comprising:
[0007] A mounting frame is fixedly mounted on the outer side of the upper end of the box cover by screws, and a feed hopper is arranged on the inner side of the upper end of the mounting frame, and a sealing cover is installed on the outer side of the upper end of the feed hopper through a hinge shaft, and an observation window is arranged in the middle of the front side of the feed hopper;
[0008] A driving motor is installed at the lower right end of the reaction box body, and the output end of the driving motor is connected to a stirring rod located inside the reaction box body. A discharge pipe is installed in the middle of the lower end of the reaction box body, and electromagnetic valves are provided on the outer side of the discharge pipe and the outer side of the lower end of the feed hopper.
[0009] Preferably, a mounting base plate located directly below the reaction box body is welded and fixedly mounted on the outer side of the lower end of the support column, and the inner wall of the lower end of the reaction box body is inclined toward the middle.
[0010] Preferably, a first fixing bolt is provided at the top corner of the connection between the reaction box body and the box cover, and the box cover forms a detachable structure with the reaction box body through the first fixing bolt.
[0011] Preferably, the feed hopper is arranged at a left-right angle with respect to the vertical center axis of the box cover, and a scale line located outside the observation window is arranged on the outer side of the front end of the feed hopper.
[0012] Preferably, the feed hopper is connected to the mounting frame by plugging, and arc-shaped protruding structures are provided at both left and right ends of the mounting frame.
[0013] Preferably, a second fixing bolt is provided through the inner part of the outer side of the mounting frame, and threaded holes matching with the second fixing bolt are provided inside the box cover and the threaded hole.
[0014] Preferably, the mounting frame is connected to the reaction box body, and the lower end of the side wall of the reaction box body is inclined inwardly.
[0015] Compared with the prior art, the utility model has the following beneficial effects: the reaction box for preparing the lithium sulfate solution is convenient for more accurate control of the amount of added dilute sulfuric acid and lithium carbonate, and has a good stirring function at the bottom, which is convenient for uniform reaction;
[0016] 1. The feed hopper and the mounting frame are connected in a plug-in manner, and arc-shaped protruding structures are provided at both ends of the mounting frame. The feed hopper is inserted into the mounting frame from top to bottom, so that the lower end of the feed hopper can be inserted into the through hole provided inside the box cover and connected with the reaction box body. Then, the second fixing bolt is rotated and inserted into the mounting frame and the feed hopper in turn, so that it is threadedly connected with the threaded hole, thereby facilitating the fixed installation of the feed hopper;
[0017] Furthermore, when in use, the sealing covers provided on the tops of the two groups of feed hoppers are opened respectively, and the dilute sulfuric acid and lithium carbonate are placed and poured into the two groups of feed hoppers respectively. At this time, the amount can be more accurately controlled through the observation window and the scale line, so as to facilitate better reaction work;
[0018] 2. The mounting frame is connected to the reaction box body, and the lower end of the side wall of the reaction box body is tilted inward. The solenoid valve and the drive motor arranged on the outer side of the lower end of the feed hopper are started to make the dilute sulfuric acid and lithium carbonate fall into the reaction box body respectively. At this time, the drive motor can drive the stirring rod to rotate at the inner lower end of the reaction box body, so as to facilitate the dilute sulfuric acid and lithium carbonate to be fully stirred, and avoid the stirring dead angle at the bottom of the reaction box body;
[0019] 3. Settings. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 This is a schematic diagram of the overall explosion structure of the mounting frame and the feed hopper connected to the utility model;
[0022] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;
[0023] Figure 4 It is a schematic diagram of the overall cross-sectional structure of the reaction box body and the stirring rod connected to the utility model.
[0024] In the figure: 1. reaction box body; 2. box cover; 3. support column; 4. installation base plate; 5. installation frame; 6. feed hopper; 7. sealing cover; 8. observation window; 9. scale line; 10. drive motor; 11. stirring rod; 12. discharge pipe; 13. solenoid valve; 14. first fixing bolt; 15. threaded hole; 16. second fixing bolt. DETAILED DESCRIPTION
[0025] 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.
[0026] See also Figure 1-4The utility model provides a technical solution: a reaction box for preparing lithium sulfate solution, comprising a reaction box body 1, a box cover 2 arranged on the outer side of the upper end of the reaction box body 1, and a support column 3 fixedly installed on the outer end of the reaction box body 1 by screws, and also comprising a mounting frame 5 fixedly installed on the outer side of the upper end of the box cover 2 by screws, and a feed hopper 6 is arranged on the inner side of the upper end of the mounting frame 5, and a sealing cover 7 is installed on the outer side of the upper end of the feed hopper 6 through a hinge shaft, and an observation window 8 is arranged in the middle of the front side of the feed hopper 6, and a mounting bottom plate 4 located directly below the reaction box body 1 is fixedly installed on the outer side of the lower end of the support column 3, and the inner wall of the lower end of the reaction box body 1 is arranged to be inclined toward the middle;
[0027] At the same time, a driving motor 10 is installed at the lower right end of the reaction box body 1, and the output end of the driving motor 10 is connected to a stirring rod 11 located in the reaction box body 1, a discharge pipe 12 is installed in the middle of the lower end of the reaction box body 1, and an electromagnetic valve 13 is provided on the outer side of the discharge pipe 12 and the outer side of the lower end of the feed hopper 6, a first fixing bolt 14 is provided at the top corner of the connection between the reaction box body 1 and the box cover 2, a scale line 9 located on the outside of the observation window 8 is provided on the outer side of the front end of the feed hopper 6, a second fixing bolt 16 is penetrated through the inner side of the outer side of the mounting frame 5, and a threaded hole 15 compatible with the second fixing bolt 16 is provided inside the box cover 2 and the threaded hole 15, and the combination constitutes a reaction box for preparing a lithium sulfate solution.
[0028] When using the lithium sulfate solution to prepare the reaction box, specifically as follows Figure 1 , Figure 2 and Figure 3 As shown in, first, the whole is stably placed on the specified plane through the installation base plate 4, and the box cover 2 is fixedly installed on the outer side of the upper end of the reaction box body 1 through the first fixing bolt 14. Since the feed hopper 6 is connected to the mounting frame 5 in a plug-in manner, and the left and right ends of the mounting frame 5 are provided with arc-shaped protruding structures, the feed hopper 6 is inserted into the mounting frame 5 from top to bottom, so that the lower end of the feed hopper 6 can be inserted into the through hole penetrated through the inside of the box cover 2 and connected with the reaction box body 1, and then the second fixing bolt 16 is rotated and inserted into the mounting frame 5 and the feed hopper 6 in turn, so that it is threadedly connected with the threaded hole 15, so as to facilitate the fixed installation of the feed hopper 6. When in use, the sealing covers 7 provided on the tops of the two groups of feed hoppers 6 are opened respectively, and the dilute sulfuric acid and lithium carbonate are placed and poured into the two groups of feed hoppers 6 respectively. At this time, the amount thereof can be more accurately controlled through the observation window 8 and the scale line 9, so as to facilitate better reaction work;
[0029] Specific as Figure 1 and Figure 4As shown in, since the mounting frame 5 is connected to the reaction box body 1, and the lower end of the side wall of the reaction box body 1 is inclined inward, the solenoid valve 13 and the drive motor 10 arranged on the outer side of the lower end of the feed hopper 6 are started, so that the dilute sulfuric acid and lithium carbonate fall into the reaction box body 1 respectively. At this time, the drive motor 10 can drive the stirring rod 11 to rotate at the inner lower end of the reaction box body 1, so as to facilitate the full stirring of the dilute sulfuric acid and lithium carbonate and avoid the occurrence of a stirring dead corner at the bottom of the reaction box body 1. After the reaction is completed, the solenoid valve 13 can be opened to discharge the produced lithium sulfate solution through the discharge pipe 12. This is the method of using the reaction box for preparing the lithium sulfate solution.
[0030] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.
[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A reaction box for preparing a lithium sulfate solution, comprising a reaction box body (1), a box cover (2) arranged on the outer side of the upper end of the reaction box body (1), and a support column (3) fixedly mounted on the outer end of the reaction box body (1) by screws, characterized in that: Also includes: A mounting frame (5) is fixedly mounted on the outer side of the upper end of the box cover (2) by means of screws, a feed hopper (6) is arranged on the inner side of the upper end of the mounting frame (5), and a sealing cover (7) is mounted on the outer side of the upper end of the feed hopper (6) via a hinge shaft, and an observation window (8) is arranged in the middle of the front side of the feed hopper (6); A drive motor (10) is mounted on the lower right side of the reaction box body (1), and the output end of the drive motor (10) is connected to a stirring rod (11) located inside the reaction box body (1). A discharge pipe (12) is mounted in the middle of the lower end of the reaction box body (1), and electromagnetic valves (13) are provided on the outer side of the discharge pipe (12) and the outer side of the lower end of the feed hopper (6).
2. A reaction box for preparing a lithium sulfate solution according to claim 1, characterized in that: A mounting base plate (4) located directly below the reaction box body (1) is welded and fixedly mounted on the outer side of the lower end of the support column (3), and the inner wall of the lower end of the reaction box body (1) is arranged to be inclined toward the middle.
3. A reaction box for preparing a lithium sulfate solution according to claim 1, characterized in that: A first fixing bolt (14) is provided at the top corner of the connection between the reaction box body (1) and the box cover (2), and the box cover (2) and the reaction box body (1) form a detachable structure through the first fixing bolt (14).
4. A reaction box for preparing a lithium sulfate solution according to claim 1, characterized in that: The feed hopper (6) is arranged at a left-right angle with respect to the vertical center axis of the box cover (2), and a scale line (9) located outside the observation window (8) is arranged outside the front end of the feed hopper (6).
5. A reaction box for preparing a lithium sulfate solution according to claim 4, characterized in that: The feed hopper (6) is connected to the mounting frame (5) by plugging, and arc-shaped protruding structures are provided at both left and right ends of the mounting frame (5).
6. A reaction box for preparing a lithium sulfate solution according to claim 5, characterized in that: A second fixing bolt (16) is provided through the outside of the mounting frame (5), and a threaded hole (15) matching the second fixing bolt (16) is provided inside the box cover (2) and the threaded hole (15).
7. A reaction box for preparing a lithium sulfate solution according to claim 6, characterized in that: The mounting frame (5) is connected to the reaction box body (1), and the lower end of the side wall of the reaction box body (1) is inclined inwards.
Citation Information
Patent Citations
Intelligent reactor for removing calcium from lithium sulfate solution
CN219964865U