Layered filtration and recovery device for acid-process lithium slag

By using a modular filter screen structure and fixing mechanism, the problem of difficult repair of localized damage to the filter screen in existing lithium slag stratified filtration and recovery devices is solved. This enables convenient installation and disassembly of the filter screen, reduces maintenance costs and time, and improves filtration efficiency.

CN224057967UActive Publication Date: 2026-03-31MEISHAN VOCATIONAL & TECH COLLEGE (MEISHAN TECHNICIAN COLLEGE)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In existing lithium slag stratified filtration and recovery devices, it is difficult to repair local damage to the integral filter screen, and maintenance is complicated and costly.

Method used

It adopts a modular filter structure and fixing mechanism. The filter is detachable and fixed by a servo motor-driven movable plate, which enables quick installation and removal.

Benefits of technology

It enables convenient installation, disassembly, and maintenance of the filter, reducing maintenance time and costs, and ensuring the stability of the filter structure and filtration efficiency.

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Abstract

The utility model discloses an acid process lithium slag layered filtering and recycling device which comprises a box body, a vibration motor and a controller are installed at the upper end of the box body, a vibration base is installed at the bottom of the box body, and a servo motor is connected with a transmission assembly and drives a first movable plate and a second movable plate to move. The split mounting type filter screen structure is adopted, on one hand, the size of the first filter screen and the size of the second filter screen can be reduced, and mounting, dismounting and replacement are convenient; when the filter screen is worn, damaged or seriously blocked after being used for a long time and needs to be maintained, an operator can easily detach the corresponding filter screen to carry out independent cleaning, repairing or replacing operation, the whole filter screen does not need to be detached, and the maintenance time and the labor cost are greatly saved.
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Description

Technical Field

[0001] This utility model belongs to the field of lithium slag filtration technology, and in particular relates to a layered filtration and recovery device for acid-process lithium slag. Background Technology

[0002] Acid process lithium slag is the solid waste remaining after extracting lithium compounds from lithium ore using the acid process. Acid process lithium slag mainly contains some ore components, such as silicon dioxide and alumina, and may also contain a small amount of residual lithium and other impurity metal ions. Since it contains a certain amount of useful components, the reasonable recycling and utilization of acid process lithium slag can avoid resource waste.

[0003] According to publication number CN220574028U, the title is: "A Layered Filter Recycler for Recovering Lithium Slag Powder." The filter recycling body includes a sorting frame installed on one side, with partitions inside. Guide pipes are provided on one side of the filter recycling body at the top of the sorting frame. An exhaust fan is installed at the top of one side of the filter recycling body, with a duct installed on one side of the exhaust fan. Dust suction ports are evenly installed on one side of the duct. A feeding port is installed at the top of the filter recycling body. This invention uses a motor to drive a rotating shaft, which in turn causes an impact column to strike an impact block at the bottom of a first filter plate. During the impact, the first filter plate moves up and down, thus performing preliminary filtration of the lithium slag powder falling onto it. Simultaneously, the motor drives a drive wheel and a belt to rotate synchronously, which in turn drives a driven wheel and a threaded rod to rotate.

[0004] The filter screens in existing lithium slag stratified filtration and recovery devices are usually integral structures. Due to the large size of the filtration and recovery device, it is difficult to repair local damage. The entire filter screen needs to be disassembled, which is complicated and time-consuming to maintain. If the damage is too severe to be repaired, the replacement cost is high. Utility Model Content

[0005] The purpose of this utility model is to provide a layered filtration and recovery device for acid process lithium slag, so as to solve the technical problems mentioned in the background art. When the existing integral filter screen is damaged in a certain part, it is difficult to repair it locally. The entire filter screen needs to be disassembled, which is complicated and time-consuming to maintain. If the damage is too serious to repair, the replacement cost is high.

[0006] To achieve the above objectives, the specific technical solution of this utility model is as follows: A layered filtration and recycling device for acid-process lithium slag includes a box body, a vibration motor and a controller are installed at the upper end of the box body, a vibration base is installed at the bottom of the box body, a feed inlet is provided at the upper end of the box body, a first discharge outlet and a second discharge outlet are provided on one side, a third discharge outlet is provided at the bottom, and a first filter screen and a second filter screen are provided inside.

[0007] The fixing mechanism includes a servo motor, a transmission assembly, a first movable plate, and a second movable plate. The servo motor is connected to the transmission assembly and drives the first movable plate and the second movable plate to move. The first movable plate and the second movable plate are used to fix the bottom of the first filter screen and the second filter screen.

[0008] The first and second filters are assembled, and each is fixedly connected to a mounting block at the middle joint.

[0009] Several first support frames are fixedly installed on the side wall of the box, and the first filter screen and the second filter screen are installed on the first support frames.

[0010] The servo motor is fixedly installed on one side of the housing, and the transmission assembly includes a gear, a first rack and a second rack, with the gear meshing with the first gear and the second gear.

[0011] A drive wheel is coaxially connected to one side of the gear, and the drive wheels at one end of the first filter screen and the second filter screen are connected by a drive belt.

[0012] The output end of the servo motor is coaxially and fixedly connected to one of the transmission wheels and gears.

[0013] A second support frame is fixedly installed on the inner side wall of the box, and a support plate is fixedly installed on the second support frame.

[0014] The first movable plate and the second movable plate are slidably connected to the support plate.

[0015] The bottom of the first movable plate and the second movable plate are respectively provided with a first slot and a second slot, which are respectively engaged with the lower end of the second movable plate and the first movable plate.

[0016] The first and second movable plates abut against the mounting block.

[0017] The acid-process lithium slag stratified filtration and recovery device of this utility model has the following advantages:

[0018] 1. This acid process lithium slag stratified filtration and recovery device uses a vibrating motor to vibrate the housing. The vibration is transmitted to the material and filter screen structure inside the housing, which helps the material to be better distributed and filtered on the filter screen surface. Large particles are discharged from the first discharge port, medium-sized particles are discharged from the second discharge port, and fine particles are discharged from the third discharge port, thus achieving the purpose of stratified filtration and recovery of acid process lithium slag and realizing precise stratified recovery of acid process lithium slag.

[0019] 2. This acid process lithium slag layered filtration and recovery device adopts a modular filter structure, which reduces the volume of the first and second filters, making it easy to install, disassemble and replace. When the filters are worn, damaged or severely clogged after long-term use and require maintenance, the operator can easily disassemble the corresponding filters for individual cleaning, repair or replacement without disassembling the entire filter, which greatly saves maintenance time and labor costs.

[0020] 3. This acid process lithium slag layered filtration and recovery device, through the setting of a fixing mechanism, can facilitate the rapid fixing of the spliced ​​filter screen structure, improve the installation and disassembly efficiency of the filter screen structure, and ensure the stability of the spliced ​​filter screen structure. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a first-person perspective three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the overall second-view three-dimensional structure of this utility model;

[0024] Figure 3 This is a top view of the structure of this utility model;

[0025] Figure 4 For the present utility model Figure 3 Schematic diagram of the three-dimensional structure of the AA cross section;

[0026] Figure 5 For the present utility model Figure 4 Enlarged structural diagram at point B;

[0027] Figure 6 This is a first-view three-dimensional structural diagram of the fixing mechanism of this utility model;

[0028] Figure 7 For the present utility model Figure 6 Enlarged structural diagram at point C;

[0029] Figure 8 This is a three-dimensional structural diagram of the mounting block of this utility model;

[0030] Figure 9 This is a three-dimensional structural diagram of the first and second movable plates of this utility model;

[0031] Figure 10 This is a second-view three-dimensional structural diagram of the fixing mechanism of this utility model.

[0032] The markings in the diagram are as follows: 1. Housing; 2. Fixing mechanism; 21. Servo motor; 22. Support plate; 23. Second support frame; 24. First movable plate; 241. First slot; 25. Second movable plate; 251. Second slot; 26. First rack; 27. Second rack; 28. Gear; 29. ​​Transmission wheel; 210. Transmission belt; 3. Feed inlet; 4. Vibration motor; 5. Controller; 6. First discharge port; 7. Second discharge port; 8. Third discharge port; 9. Vibration base; 10. First support frame; 11. First filter screen; 12. Second filter screen; 13. Mounting block. Detailed Implementation

[0033] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0034] In the description of the embodiments of this utility model, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0036] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0037] The following disclosure provides many different implementations or examples for different structures of the embodiments of the present invention. To simplify the disclosure of the embodiments of the present invention, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of the present invention; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.

[0038] To better understand the purpose, structure, and function of this utility model, the following description, in conjunction with the accompanying drawings, provides a more detailed account of an acid-process lithium slag stratified filtration and recovery device.

[0039] like Figures 1-10 As shown, the present invention provides a layered filtration and recycling device for acid-process lithium slag, comprising a housing 1, a vibration motor 4 and a controller 5 installed at the upper end of the housing 1, a vibration base 9 installed at the bottom of the housing 1, a feed inlet 3 at the upper end of the housing 1, a first discharge outlet 6 and a second discharge outlet 7 on one side, a third discharge outlet 8 at the bottom, and a first filter screen 11 and a second filter screen 12 inside the housing 1.

[0040] Acid-process lithium slag enters the housing 1 through the feed inlet 3. The vibration motor 4 located at the top of the housing 1 is started under the action of the controller 5, causing the housing 1 to vibrate. The vibration is transmitted to the material and filter structure inside the housing 1, which helps the material to be better distributed and filtered on the filter surface. The material first comes into contact with the first filter screen 11. Larger particles are intercepted by the first filter screen 11. With the help of vibration, these large particles gradually move towards the first discharge port 6 and are finally discharged from the first discharge port 6, realizing the initial separation and recovery of larger lithium slag particles. The material filtered by the first filter screen 11 continues to fall to the second filter screen 12. At this time, medium-sized particles are intercepted by the second filter screen 12 and converge towards the second discharge port 7 under the action of continuous vibration, and then are discharged from the second discharge port 7, completing the separation and collection of medium-sized lithium slag particles. The fine particles that pass through the second filter screen 12 fall into the bottom of the housing 1 and are finally discharged from the third discharge port 8, achieving the purpose of stratified filtration and recovery of acid-process lithium slag, and realizing the precise stratified recovery of acid-process lithium slag.

[0041] The first filter screen 11 and the second filter screen 12 are assembled, and each of them is fixedly connected to the middle splice with an installation block 13. Several first support frames 10 are fixedly installed on the side wall of the housing 1, and the first filter screen 11 and the second filter screen 12 are installed on the first support frames 10.

[0042] In this application, by adopting a modular filter structure, the volume of the first filter 11 and the second filter 12 can be reduced, making it easier to install, disassemble and replace. When the filter needs maintenance due to wear, damage or severe blockage after long-term use, the operator can easily disassemble the corresponding filter for individual cleaning, repair or replacement without disassembling the entire filter, which greatly saves maintenance time and labor costs.

[0043] The fixing mechanism 2 includes a servo motor 21, a transmission assembly, a first movable plate 24 and a second movable plate 25. The servo motor 21 is connected to the transmission assembly and drives the first movable plate 24 and the second movable plate 25 to move. The first movable plate 24 and the second movable plate 25 are used to fix the bottom of the first filter screen 11 and the second filter screen 12.

[0044] In this application, by setting the fixing mechanism 2, it is possible to quickly fix the spliced ​​filter structure, improve the installation and disassembly efficiency of the filter structure, and ensure the stability of the spliced ​​filter structure.

[0045] The servo motor 21 is fixedly installed on one side of the housing 1. The transmission assembly includes a gear 28, a first rack 26 and a second rack 27. The gear 28 meshes with the first gear 28 and the second gear 28. A transmission wheel 29 is coaxially connected to one side of the gear 28. The transmission wheel 29 at one end of the first filter screen 11 and the second filter screen 12 is connected by a transmission belt 210. The output end of the servo motor 21 is coaxially fixedly connected to one of the transmission wheels 29 and the gear 28.

[0046] In a specific configuration, the servo motor 21 drives the gear 28 to rotate, and the gear 28 drives the first rack 26 and the second rack 27 to move closer or further apart simultaneously, thereby causing the first movable plate 24 and the second movable plate 25 to move closer or further apart, thus achieving the clamping or loosening of the mounting block 13. By setting the transmission wheel 29 and the transmission belt 210 between the two gears 28, the synchronous rotation of the two gears 28 can be achieved, thereby achieving the synchronous fixing of the first filter screen 11 and the second filter screen 12, improving working and transmission efficiency.

[0047] A second support frame 23 is fixedly installed on the inner side wall of the housing 1. A support plate 22 is fixedly installed on the second support frame 23. A first movable plate 24 and a second movable plate 25 are slidably connected to the support plate 22. A first slot 241 and a second slot 251 are respectively opened at the bottom of the first movable plate 24 and the second movable plate 25. The first slot 241 and the second slot 251 are respectively engaged with the lower ends of the second movable plate 25 and the first movable plate 24. The first movable plate 24 and the second movable plate 25 are pressed against the mounting block 13.

[0048] In this application, one side of the housing 1 can be opened to place the first filter screen 11 and the second filter screen 12 on the first support frame 10. At the same time, the mounting block 13 is positioned between the first movable plate 24 and the second movable plate 25. The first filter screen 11 and the second filter screen 12 are pushed inward. After they are in place, the servo motor 21 drives the gear 28 to rotate, so that the first movable plate 24 and the second movable plate 25 are brought closer together and the two mounting blocks 13 are pressed together, thereby fixing the first filter screen 11 and the second filter screen 12. By setting a number of first slots 241 and second slots 251, the first movable plate 24 and the second movable plate 25 can be slidably inserted, improving the tightness and stability of the connection between the first movable plate 24 and the second movable plate 25, and ensuring that the mounting block 13 is tightly pressed together.

[0049] Working principle of an acid-process lithium slag stratified filtration and recovery device:

[0050] During operation, the vibration motor 4 is turned on by the controller 5, causing the housing 1 to vibrate. The acid process lithium slag material enters the housing 1 from the feed inlet 3. The material first comes into contact with the first filter screen 11, where larger particles are intercepted. With the help of vibration, these large particles gradually move towards the first discharge port 6 and are eventually discharged from the first discharge port 6, achieving the initial separation and recovery of larger lithium slag particles. The material filtered by the first filter screen 11 continues to fall to the second filter screen 12. At this time, medium-sized particles are intercepted by the second filter screen 12 and converge towards the second discharge port 7 under continuous vibration, and are then discharged from the second discharge port 7, completing the separation and collection of medium-sized lithium slag particles. The fine particles that pass through the second filter screen 12 fall to the bottom of the housing 1 and are finally discharged from the third discharge port 8, achieving the purpose of stratified filtration and recovery of acid process lithium slag, and realizing the precise stratified recovery of acid process lithium slag.

[0051] When installing the filter structure, the first filter 11 and the second filter 12 are placed on the first support frame 10, and the mounting block 13 is positioned between the first movable plate 24 and the second movable plate 25. The first filter 11 and the second filter 12 are pushed inward. After they are in place, the servo motor 21 drives the gear 28 to rotate, so that the first movable plate 24 and the second movable plate 25 are brought closer together, and the two mounting blocks 13 are pressed together, thereby fixing the first filter 11 and the second filter 12.

[0052] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. An acid method lithium slag layered filtration recovery device, characterized in that: The utility model relates to a kind of vibration screen, including Box (1), vibration motor (4) and controller (5) are installed on the upper end of the box (1), vibration base (9) is installed at the bottom of the box (1), the upper end of the box (1) is provided with feed inlet (3), one side is provided with first discharge port (6) and second discharge port (7), bottom is provided with third discharge port (8), inside is provided with first filter screen (11) and second filter screen (12); Fixing mechanism (2), the fixing mechanism (2) includes servo motor (21), transmission assembly, first movable plate (24) and second movable plate (25), the servo motor (21) is connected with transmission assembly, drives first movable plate (24) and second movable plate (25) to move, the first movable plate (24) and second movable plate (25) are used to fix the bottom of first filter screen (11) and second filter screen (12).

2. The acid-process lithium slag delamination and filtration recovery device according to claim 1, characterized in that: The first filter screen (11) and second filter screen (12) are assembled, and the mounting block (13) is fixedly connected at the middle joint.

3. The acid method lithium slag layered filtration recovery device according to claim 1, characterized in that: The first filter screen (11) and second filter screen (12) are installed on the first support frame (10) on the side wall of the box (1).

4. The acid-process lithium slag delamination and filtration recovery device according to claim 1, characterized in that: The servo motor (21) is fixedly installed on one side of the box (1), and the transmission assembly includes a gear (28), a first rack (26) and a second rack (27), the gear (28) is engagedly connected with the first gear (28) and the second gear (28).

5. The acid method lithium slag layered filtration recovery device according to claim 4, characterized in that: The gear (28) is coaxially connected with a transmission wheel (29) on one side, and the transmission wheels (29) on one end of the first filter screen (11) and the second filter screen (12) are connected by a transmission belt (210).

6. The acid-process lithium slag delamination and filtration recovery device according to claim 5, characterized in that: The output end of the servo motor (21) is coaxially fixedly connected with one of the transmission wheels (29) and the gear (28).

7. The acid-process lithium slag delamination and filtration recovery device according to claim 1, characterized in that: The second support frame (23) is fixedly installed on the inner side wall of the box (1), and the support plate (22) is fixedly installed on the second support frame (23).

8. The acid-process lithium slag delamination and filtration recovery device according to claim 7, characterized in that: The first movable plate (24) and the second movable plate (25) are slidably connected to the support plate (22).

9. The acid method lithium slag layered filtration recovery device according to claim 1, characterized in that: The first movable plate (24) and the second movable plate (25) are respectively provided with a first clamping groove (241) and a second clamping groove (251) at the bottom, and the first clamping groove (241) and the second clamping groove (251) are respectively clamped with the lower end of the second movable plate (25) and the first movable plate (24).

10. The acid-process lithium slag delamination and filtration recovery device according to claim 2, characterized in that: The first movable plate (24) and the second movable plate (25) are abutted with the mounting block (13).

Citation Information

Patent Citations

  • Layered filtering recoverer for recovering lithium slag powder

    CN220574028U