Improved filter press for recycling lithium iron phosphate batteries

CN224735834UActive Publication Date: 2026-09-11DAZHOU ZHENGHONG ENERGY STORAGE MATERIALS TECH CO LTD
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Patent Information

Application Number
CN202522216138.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-21
Publication Date
2026-09-11
Estimated Expiration
2035-10-21

AI Technical Summary

Technical Problem

[0004]本申请的目的是针对现有技术的不足之处,提供一种电池回收磷酸铁锂用改良压滤机,以解决现有技术中很难对滤板进行全面、彻底的清洁,尤其是滤板两侧边缘和角落等部位,容易残留污块

Benefits of technology

[0012]本申请的有益效果在于:通过驱动电机和旋转电机控制清洁杆的升降和水平移动,能够快速、连续地对多个滤板进行清洁,提高了清洁效率,压滤机的清洁杆内侧设有清洁轴和破碎块,在清洁杆下降过程中,破碎块能够对滤板两侧凝结的污块进行快速破碎清理,有效解决了传统清洁方式清洁不彻底的问题,保证了滤板的清洁度,提高了过滤效果以及回收产品的质量,满足电池回收行业生产的需求。

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Abstract

This application discloses an improved filter press for lithium iron phosphate battery recycling, belonging to the field of filter presses. It includes a filter press body and a cleaning mechanism. The filter press body has a movable cleaning mechanism, which includes a fixed beam, a drive box, and a cleaning rod. The fixed beam has an L-shaped structure, with one end movably connected to the filter press body. The bottom of the filter press body has a receiving plate. The drive box is vertically positioned at the end away from the fixed beam and the end connected to the filter press body. The cleaning rod has an L-shaped structure and slides in contact with the vertically positioned drive box. The inner side of the cleaning rod has a hollow structure for the filter plates to pass through. The beneficial effect of this application is that it provides an improved filter press for lithium iron phosphate battery recycling, which can quickly and continuously clean multiple filter plates, improving cleaning efficiency. The crushing blocks can quickly break up and clean the dirt deposited on both sides of the filter plates, effectively solving the problem of incomplete cleaning by traditional cleaning methods and ensuring the cleanliness of the filter plates.
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Description

Technical Field

[0001] This application relates to the field of filter presses, and more specifically, to an improved filter press for recycling lithium iron phosphate batteries. Background Technology

[0002] After a certain number of years of use, lithium-ion batteries gradually degrade in performance, reaching the end-of-life standard. If these used batteries are not properly disposed of, it not only results in a huge waste of resources but also causes serious environmental pollution, such as heavy metal leaks polluting soil and water sources, and organic matter volatilization polluting the air. In the process of recycling lithium iron phosphate batteries, filter presses often process materials containing various complex components. These materials easily condense and form clumps on the filter plate surface during the filtration process. Traditional filter press cleaning mainly relies on manual cleaning, which is not only inefficient but also labor-intensive. Due to the limitations of manual operation, it is difficult to thoroughly clean the filter plates, especially the edges and corners, where clumps easily remain. These residual clumps gradually accumulate, causing blockage of the filter plate's filtration channels, affecting the filtration effect, reducing the filter press's processing capacity, and may even damage the filter plates, shortening their lifespan. Utility Model Content

[0003] The summary section of this application is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description section below. This summary section is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.

[0004] The purpose of this application is to address the shortcomings of existing technologies by providing an improved filter press for lithium iron phosphate battery recycling. This improves upon existing technologies, which often struggle to thoroughly clean filter plates, particularly around edges and corners where dirt can easily accumulate. This accumulation can eventually clog the filter channels.

[0005] To achieve the above objectives, this application provides the following technical solution: An improved filter press for recycling lithium iron phosphate batteries includes a filter press body and a cleaning mechanism. The filter press body is equipped with a movable cleaning mechanism, which includes a fixed beam, a drive box, and a cleaning rod. The fixed beam has an L-shaped structure and is movably connected to the filter press body at one end. The bottom of the filter press body is equipped with a receiving plate. The drive box is vertically positioned at the end away from the fixed beam and the end connected to the filter press body. The cleaning rod has an L-shaped structure and slides in contact with the vertically positioned drive box. The inner side of the cleaning rod has a hollow structure for the filter plate to pass through.

[0006] Preferably, two cleaning shafts are horizontally and symmetrically installed on the inner sidewall of the cleaning rod.

[0007] Preferably, a crushing block protrudes from the outer wall of the cleaning shaft, and the crushing block rotates synchronously with the cleaning shaft.

[0008] Preferably, the drive box has a vertically opening lifting groove on the surface facing the cleaning rod, and a threaded column is vertically installed inside the lifting groove.

[0009] Preferably, a lifting block protrudes from the outer wall of the cleaning rod, the lifting block slides along the lifting groove and is threadedly connected to the threaded column, a drive motor is fixedly installed on the upper surface of the drive box, the drive motor is connected to the threaded column, the vertical part of the cleaning rod is attached to the drive box, and the horizontal part of the cleaning rod is installed.

[0010] Preferably, an inner sliding groove is horizontally formed on the outer wall of the filter press body, and an inner screw is embedded in the inner sliding groove.

[0011] Preferably, the bottom of the fixed beam is threaded into the inner groove and connected to the inner screw, and a rotary motor for driving the inner screw to rotate is fixedly installed on the outer wall of the filter press body.

[0012] The beneficial effects of this application are as follows: by controlling the lifting and horizontal movement of the cleaning rod through the drive motor and rotary motor, multiple filter plates can be cleaned quickly and continuously, improving cleaning efficiency. The inner side of the cleaning rod of the filter press is equipped with a cleaning shaft and a crushing block. During the descent of the cleaning rod, the crushing block can quickly crush and clean the dirt deposited on both sides of the filter plate, effectively solving the problem of incomplete cleaning in traditional cleaning methods, ensuring the cleanliness of the filter plates, improving the filtration effect and the quality of recycled products, and meeting the production needs of the battery recycling industry. Attached Figure Description

[0013] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application.

[0014] Furthermore, throughout the accompanying drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and the elements are not necessarily drawn to scale.

[0015] In the attached diagram: Figure 1 This is a schematic diagram of the structure of this application; Figure 2 This is a schematic diagram of the cleaning mechanism. Figure 3 for Figure 1 Enlarged structural diagram at point A in the middle; Figure 4 for Figure 2 Enlarged structural diagram at point B.

[0016] 1. Filter press body; 2. Receiving plate; 3. Filter plate; 4. Cleaning mechanism; 5. Fixed beam; 6. Lifting groove; 7. Drive motor; 8. Drive box; 9. Threaded column; 10. Cleaning rod; 11. Inner slide groove; 12. Inner screw; 13. Cleaning shaft; 14. Crushing block. Detailed Implementation

[0017] The improved filter press for recycling lithium iron phosphate batteries provided in this application will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this application.

[0018] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when describing a specific feature, structure, or characteristic in conjunction with embodiments, the implementation of such feature, structure, or characteristic in conjunction with other embodiments, whether or not explicitly described, should be within the knowledge of those skilled in the art.

[0019] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0020] The present application will now be described in detail with reference to the accompanying drawings and embodiments.

[0021] Reference Figure 1 , Figure 2As shown, this utility model provides an improved filter press for recycling lithium iron phosphate batteries, including a filter press body 1 and a cleaning mechanism 4. The filter press body 1 is equipped with a movable cleaning mechanism 4, which includes a fixed beam 5, a drive box 8, and a cleaning rod 10. The fixed beam 5 has an L-shaped structure, with one end movably connected to the filter press body 1. The bottom of the filter press body 1 is provided with a receiving plate 2. The drive box 8 is vertically positioned at the end away from the fixed beam 5 and the end connected to the filter press body 1. The cleaning rod 10 has an L-shaped structure and slides in contact with the vertically positioned drive box 8. The inner side of the cleaning rod 10 has a hollow structure for the filter plate 3 to pass through. A lifting groove 6 is vertically opened on the surface of the drive box 8 facing the cleaning rod 10, and a threaded column 9 is vertically installed inside the lifting groove 6. A lifting block protrudes from the outer wall of the cleaning rod 10. The lifting block slides along the lifting groove 6 and is threadedly connected to the threaded post 9. A drive motor 7 is fixedly installed on the upper surface of the drive box 8. The drive motor 7 is connected to the threaded post 9. The vertical part of the cleaning rod 10 is attached to the drive box 8, and the horizontal part of the cleaning rod 10 is installed. (Refer to...) Figure 3 An inner groove 11 is horizontally opened on the outer wall of the filter press body 1, and an inner screw 12 is embedded in the inner groove 11. The bottom of the fixed beam 5 passes through the inner groove 11 and is threadedly connected to the inner screw 12. A rotary motor that drives the inner screw 12 to rotate is fixedly installed on the outer wall of the filter press body 1.

[0022] Reference Figure 4 Two cleaning shafts 13 are horizontally and symmetrically installed on the inner wall of the cleaning rod 10. A crushing block 14 protrudes from the outer wall of the cleaning shaft 13, and the crushing block 14 rotates synchronously with the cleaning shaft 13.

[0023] Working Principle: This modified filter press for lithium iron phosphate battery recycling operates as follows: When the filter press body 1 starts working, it is in a normal pre-filtering state. The receiving plate 2 is located at the bottom of the filter press body 1 to receive the material generated during the filtration process. One end of the fixed beam 5 is movably connected to the filter press body 1. Its position is adjusted via a horizontally opened inner sliding groove 11 on the outer wall of the filter press body 1 and an embedded inner screw 12. A rotary motor drives the inner screw 12 to rotate. Since the bottom of the fixed beam 5 passes through the inner sliding groove 11 and is threadedly connected to the inner screw 12, the rotation of the inner screw 12 causes the fixed beam 5 to move horizontally within the inner sliding groove 11, thereby moving the cleaning mechanism 4 to the corresponding position of the filter plate 3 that needs cleaning.

[0024] Once the cleaning mechanism 4 reaches the designated position of the filter plate 3, the drive box 8 begins operation. A vertically oriented lifting groove 6 is formed on the surface of the drive box 8 facing the cleaning rod 10. A threaded post 9 is vertically installed inside the lifting groove 6. A lifting block protrudes from the outer wall of the cleaning rod 10, sliding along the lifting groove 6 and threadedly connected to the threaded post 9. A drive motor 7, fixedly mounted on the upper surface of the drive box 8, is connected to the threaded post 9. When the drive motor 7 starts, it drives the threaded post 9 to rotate. Due to the threaded connection between the lifting block and the threaded post 9, the rotation of the threaded post 9 causes the lifting block to move vertically along the lifting groove 6, thereby causing the cleaning rod 10 to slide vertically on the drive box 8.

[0025] The cleaning rod 10 has an L-shaped structure with a hollow inner side that allows the filter plate 3 to pass through. Two cleaning shafts 13 are horizontally and symmetrically installed on the inner wall of the cleaning rod 10. A crushing block 14 protrudes from the outer wall of the cleaning shaft 13 and rotates synchronously with the cleaning shaft 13. When the cleaning rod 10 descends along the filter plate 3, the crushing block 14 comes into contact with the condensed dirt on both sides of the filter plate 3. Under the force of the descending cleaning rod 10 and the rotation of the crushing block 14, the dirt is quickly crushed and cleaned, causing it to fall off the filter plate 3.

[0026] After the cleaning rod 10 finishes cleaning the current filter plate 3, the drive motor 7 rotates in the opposite direction, causing the threaded column 9 to rotate in the opposite direction, thus raising the cleaning rod 10. Subsequently, the rotary motor drives the inner screw 12 to rotate again, causing the fixed beam 5 to move horizontally, moving the cleaning mechanism 4 to the position of the next filter plate 3 that needs to be cleaned, and repeating the above cleaning process.

[0027] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

[0028] It should be noted that this application covers any alternatives, modifications, equivalent methods, and solutions made within the spirit and scope of this application. To provide the public with a thorough understanding of this application, specific details are described in detail in the preferred embodiments, while those skilled in the art can fully understand this application without these details. Furthermore, to avoid unnecessary confusion regarding the substance of this application, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0029] The above description is only a preferred embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A modified filter press for recycling lithium iron phosphate batteries, comprising a filter press body (1) and a cleaning mechanism (4), characterized in that: The filter press body (1) is provided with a movable cleaning mechanism (4). The cleaning mechanism (4) includes a fixed beam (5), a drive box (8) and a cleaning rod (10). The fixed beam (5) is an L-shaped structure, with one end movably connected to the filter press body (1). The bottom of the filter press body (1) is provided with a receiving plate (2). The drive box (8) is vertically positioned at the end away from the fixed beam (5) and connected to the filter press body (1). The cleaning rod (10) has an L-shaped structure and slides in contact with the vertically positioned drive box (8). The inner side of the cleaning rod (10) has a hollow structure, through which the filter plate (3) passes.

2. The improved filter press for recycling lithium iron phosphate batteries according to claim 1, characterized in that: Two cleaning shafts (13) are horizontally and symmetrically installed on the inner wall of the cleaning rod (10).

3. The improved filter press for recycling lithium iron phosphate batteries according to claim 2, characterized in that: The outer wall of the cleaning shaft (13) is provided with a protruding breaking block (14), which rotates synchronously with the cleaning shaft (13).

4. The improved filter press for recycling lithium iron phosphate batteries according to claim 1, characterized in that: The drive box (8) has a vertically opening lifting groove (6) on the surface facing the cleaning rod (10), and a threaded column (9) is vertically installed inside the lifting groove (6).

5. The improved filter press for recycling lithium iron phosphate batteries according to claim 4, characterized in that: The outer wall of the cleaning rod (10) is provided with a lifting block. The lifting block slides along the lifting groove (6) and is threadedly connected to the threaded column (9). The upper surface of the drive box (8) is fixedly installed with a drive motor (7). The drive motor (7) is connected to the threaded column (9). The vertical part of the cleaning rod (10) is attached to the drive box (8), and the horizontal part is installed with the cleaning rod (10).

6. The improved filter press for recycling lithium iron phosphate batteries according to claim 1, characterized in that: The filter press body (1) has an inner groove (11) horizontally opened on the outer wall, and an inner screw (12) is embedded in the inner groove (11).

7. The improved filter press for recycling lithium iron phosphate batteries according to claim 6, characterized in that: The bottom of the fixed beam (5) is threaded into the inner groove (11) and connected to the inner screw (12). A rotary motor that drives the inner screw (12) to rotate is fixedly installed on the outer wall of the filter press body (1).