A lithium battery waste liquid treatment device

By using a turbulence-inducing assembly and a separation mechanism consisting of a rotating shaft and a swing shaft, the problems of uneven mixing of flocculants and long sedimentation time in lithium battery waste liquid treatment are solved. This achieves full mixing of flocculants and synchronous separation of flocculants and waste liquid, thereby improving treatment efficiency and effectiveness.

CN118388002BActive Publication Date: 2025-11-07FUJIAN YU RONG TECH CO LTD
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Patent Information

Application Number
CN202410604242.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-11-07
Estimated Expiration
2044-05-15

AI Technical Summary

Technical Problem

Traditional stirring methods in lithium battery waste liquid treatment result in eddy currents, which lead to uneven mixing of flocculant and liquid, affecting the flocculation effect. Furthermore, the long sedimentation process increases treatment costs and equipment occupancy time, thus affecting treatment efficiency.

Method used

The turbulence assembly, consisting of a rotating shaft and a swinging shaft, achieves full mixing of flocculant and waste liquid through the rotation of the first mixing plate and the swinging of the second mixing plate, and realizes the synchronous discharge of flocculant and waste liquid through a separation mechanism.

Benefits of technology

It improves the mixing uniformity and flocculation effect of flocculants, shortens the sedimentation time, increases treatment efficiency, and enables the simultaneous separation and discharge of flocculants and waste liquid, thereby reducing treatment costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to lithium battery waste liquid treatment technical field, specifically to a kind of lithium battery waste liquid treatment device.The lithium battery waste liquid treatment device, including waste liquid treatment tank, the waste liquid treatment tank includes tank body;And, controller is installed on tank body;The tank body is equipped with turbulence subassembly, and turbulence subassembly includes rotating shaft being located at inside position of tank body and swing shaft being located at inside four around of tank body, each connecting rod is equipped with multiple first mixing plate, and multiple second mixing plate is installed on swing shaft.This lithium battery waste liquid treatment device rotates by first mixing plate, second mixing plate reciprocating swing, the waste liquid in tank body is disturbed, so that flocculating agent can be fully integrated with internal waste liquid, it is convenient for flocculating agent to fully capture the impurities in waste liquid, by swing leaf rotation under the connection of rotating shaft, opening is closed, it is convenient for synchronous discharge of internal flocculating body and treated waste liquid.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of lithium battery waste liquid treatment, and more particularly to a lithium battery waste liquid treatment device. BACKGROUND

[0002] In the production process of lithium batteries, a flocculating agent needs to be added to the lithium battery waste liquid to make the suspended particles and dissolved substances in the waste liquid aggregate into larger flocs, which are then removed from the waste liquid by sedimentation separation. However, uniform dispersion of the flocculating agent is crucial to improving the treatment efficiency, and the distribution state of the flocculating agent in the waste liquid directly affects the flocculation effect.

[0003] The conventional stirring method usually uses stirring blades installed in the treatment tank to achieve mixing of the flocculating agent, but this stirring method has certain limitations. In actual stirring operation, when the waste liquid is mixed with the flocculating agent, vortexes often occur in the liquid, which makes the flocculating agent in the liquid flow synchronously with the liquid in the tank body, failing to effectively promote mixing of the liquid and the flocculating agent, resulting in insufficient stirring of the flocculating agent in the liquid and uneven mixing between the flocculating agent and the waste liquid, thereby affecting the flocculation effect. SUMMARY

[0004] The present application aims to provide a lithium battery waste liquid treatment device with simple structure and reasonable design to solve the above problems.

[0005] The present application achieves the above-mentioned purposes through the following technical solutions:

[0006] A lithium battery waste liquid treatment device, comprising a waste liquid treatment tank, wherein the waste liquid treatment tank comprises a tank body, a tank cover arranged on the tank body, a feeding port arranged on the tank cover for adding a flocculating agent and a liquid inlet arranged on the tank cover for inputting a waste liquid, a liquid outlet arranged at the bottom of the tank body, a motor arranged on the tank cover, and a controller arranged on the tank body, wherein a flow disturbing assembly is arranged in the tank body, and the flow disturbing assembly comprises a rotating shaft arranged at an inner position of the tank body, a swing shaft arranged around the inner portion of the tank body, and a connecting rod arranged around the rotating shaft and corresponding to the swing shaft, a plurality of first mixing plates are arranged on each connecting rod, a plurality of second mixing plates are arranged on the swing shaft, and a swing mechanism is arranged between the rotating shaft and the swing shaft.

[0007] As a further optimization scheme of the present application, a sedimentation tank is further arranged at the bottom of the tank body, and a blowdown pump is further arranged at one side of the sedimentation tank.

[0008] As a further optimization scheme of the present application, the swing shaft is connected with a support plate, and the support plate is fixedly connected with the tank body; and a torsional spring is arranged on the swing shaft, and the two ends of the two support plates are connected with a connecting plate, and the connecting plate is connected with the rotating shaft through a bearing.

[0009] As a further optimization scheme of the present application, the swing mechanism comprises a gear arranged on the swing shaft, and the gear is provided with a rack plate on both sides; and a connecting frame is arranged on the rotating shaft, and the connecting frame is fixedly connected with the rack plate.

[0010] As a further optimization scheme of the present application, the rack plate is arranged in an arc shape, and the center of the rack plate is the same as the center of the connecting frame.

[0011] As a further optimization scheme of the present application, when one of the rack plates is connected with the gear, the second mixing plate rotates by one quarter of a circle.

[0012] As a further optimization scheme of the present application, the tank body is further provided with a separation mechanism, the separation mechanism comprises a spline shaft arranged on the rotating shaft, and a sleeve is slidably connected with the spline shaft, a separation plate is arranged on the sleeve, and openings are arranged on both sides of the separation plate, a swing leaf is rotatably connected with the openings through a rotating shaft, a sliding sleeve is slidably connected with the sleeve, and connecting rods are rotatably connected with both sides of the sliding sleeve through rotating shafts, and the connecting rods are rotatably connected with the swing leaf through rotating shafts.

[0013] As a further optimization scheme of the present application, the spline shaft is provided with a blocking block away from the rotating shaft.

[0014] As a further optimization scheme of the present application, the sleeve is provided with a spring.

[0015] As a further optimization scheme of the present application, the sliding sleeve is provided with a support, and an annular sliding rail is arranged above the support, the annular sliding rail is arranged on the connecting plate, an annular sliding block is slidably connected with the annular sliding rail, and electric push rods are arranged on both sides of the annular sliding block, and the extension end of the electric push rod is fixedly connected with the support.

[0016] The present application has the advantages that: when the first mixing plate rotates, the second mixing plate reciprocating swings, and the waste liquid in the tank body is disturbed, so that the flocculating agent can fully mix with the waste liquid, the waste liquid is fully flocculated, the flocculating agent can fully capture the impurities in the waste liquid, the flocculation effect is improved, and the internal flocculating body and the treated waste liquid are simultaneously discharged. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a perspective view of the overall structure of the present application;

[0018] Figure 2 is a front view of the structural section of the present application;

[0019] Figure 3 is a perspective view of the structure of the present application Figure 2 is an enlarged view of the structure at A in the present application;

[0020] Figure 4 is a perspective view of the structural section of the present application;

[0021] Figure 5 is a perspective view of the structure of the present application Figure 4 is an enlarged view of the structure at B in the present application;

[0022] Figure 6 is a perspective view of the structure of the present application

[0023] Figure 7 is a perspective view of the structural section of the present application;

[0024] Figure 8 is a perspective view of the distribution structure of the gear and rack plate of the present application;

[0025] Figure 9 is a perspective view of the structure of the present application

[0026] Label explanation: 100, waste liquid treatment tank; 101, tank body; 102, tank cover; 103, feeding port; 104, liquid inlet; 105, sedimentation tank; 106, blowdown pump; 107, liquid outlet; 108, motor; 109, rotating shaft; 110, swinging shaft; 111, connecting rod; 112, first mixing plate; 113, second mixing plate; 114, controller; 115, support plate; 116, connecting plate; 200, swinging mechanism; 201, gear; 202, rack plate; 203, connecting frame; 300, separation mechanism; 301, spline shaft; 302, shaft sleeve; 303, separation plate; 304, opening; 305, swing leaf; 306, sliding sleeve; 307, support; 308, connecting rod; 309, spring; 310, third mixing plate; 311, annular slide rail; 312, annular slide block; 313, electric push rod. DETAILED DESCRIPTION

[0027] The subject matter described herein will now be discussed with reference to example implementations. It should be understood that discussions of these implementations are merely provided to enable better understanding of the subject matter as claimed, and can include various process or components according to one or more examples. Additionally, the features described with respect to some examples can be combined in other examples. Various examples can omit, substitute, or add various procedures or components as appropriate. Also, it should be understood that the terminology used herein is for the purpose of describing examples only, and is not intended to limit the scope of the subject matter as claimed.

[0028] Reference will now be made to the drawings Figure 1 and the accompanying Figure 2 A lithium battery waste liquid treatment device, comprising a waste liquid treatment tank 100, the waste liquid treatment tank 100 comprising a tank body 101; a tank cover 102 provided on the tank body 101; a feeding port 103 mounted on the tank cover 102 for adding flocculating agent and a liquid inlet 104 for inputting waste liquid; a liquid outlet 107 mounted at the bottom of the tank body 101; a motor 108 mounted on the tank cover 102; and a controller 114 mounted on the tank body 101.

[0029] Specifically, the bottom of the tank body 101 is also provided with a sedimentation tank 105, and the sedimentation tank 105 is used to contain flocculation sediment. The sedimentation tank 105 is also provided with a blowdown pump 106 on one side, and the suction end of the blowdown pump 106 is connected with the inside of the sedimentation tank 105. The blowdown end of the blowdown pump 106 can be connected with an external pipeline, so as to facilitate the discharge of flocculation sediment to the outside, and facilitate the subsequent dewatering treatment of the flocculation material.

[0030] It should be understood that when the lithium battery waste liquid enters from the liquid inlet 104, the treatment raw materials are added in the tank body 101. After the waste liquid is added, the flocculating agent is added through the feeding port 103, so that the waste water in the tank body 101 is flocculated, and the flocculation material formed is collected through the sedimentation tank 105, so that the flocculation material falls into the sedimentation tank 105, and the waste liquid and the flocculation material in the tank body 101 are separated. Finally, the flocculation material is extracted and discharged by the blowdown pump 106, so as to facilitate the subsequent dewatering treatment of the flocculation material.

[0031] Further, in the process of treating lithium battery waste liquid, uniform dispersion of the flocculating agent is crucial to improve the treatment efficiency. The distribution state of the flocculating agent in the waste liquid directly affects the flocculation effect. The traditional stirring method usually uses stirring blades installed in the treatment tank to realize the mixing of the flocculating agent. However, this stirring method has certain limitations, because it often produces vortex in actual operation, and the vortex cannot effectively push the liquid to flow, which can cause the flow speed of some areas in the liquid to be slow, and even cause stagnation, resulting in insufficient stirring of some areas in the liquid, causing uneven mixing effect, and thus affecting the flocculation effect.

[0032] To resolve this issue, please refer to the appendix. Figure 2 Appendix Figure 3 Appendix Figure 4 Appendix Figure 6 and attached Figure 7 In this embodiment, a flow-dispersing assembly is provided inside the tank 101. The flow-dispersing assembly includes a rotating shaft 109 located inside the tank 101 and a swing shaft 110 located around the inside of the tank 101. Connecting rods 111 are located around the rotating shaft 109 and correspond one-to-one with the swing shaft 110. Multiple first mixing plates 112 are installed on each connecting rod 111. Multiple second mixing plates 113 are installed on the swing shaft 110. A swing mechanism 200 is provided between the rotating shaft 109 and the swing shaft 110.

[0033] Under the action of the swing mechanism 200, when the first mixing plate 112 rotates, the second mixing plate 113 swings back and forth, disturbing the waste liquid inside the tank 101, so that the flocculant can fully mix with the waste liquid inside, fully flocculate the waste liquid, and facilitate the flocculant to fully capture the impurities inside the waste liquid.

[0034] In order to ensure the stability of the rotating shaft 109 and the swing shaft 110 during rotation, in this embodiment, a support plate 115 is fixedly connected inside the tank body 101, and the swing shaft 110 is connected to the support plate 115 via a bearing. A torsion spring is also provided on the swing shaft 110. Any two opposing support plates 115 are connected by a connecting plate 116, and the rotating shaft 109 passes through the connecting plate 116. The connecting plate 116 and the rotating shaft 109 are connected by a bearing. This structure allows the swing shaft 110 to quickly return to its original position when in contact engagement. A connecting plate 116 is installed at one end of the two sets of support plates 115 that are close to each other, and the connecting plate 116 and the rotating shaft 109 are connected by a bearing. The output shaft of the motor 108 is fixedly connected to the rotating shaft 109.

[0035] Optional, please refer to the appendix Figure 6 Appendix Figure 7 and attached Figure 8 The swing mechanism 200 includes a gear 201 mounted on a swing shaft 110, and rack plates 202 are provided on both sides of the gear 201. An annular connecting frame 203 is mounted on the outer periphery of the rotating shaft 109, and the connecting frame 203 is fixedly connected to the rack plates 202. In this embodiment, the rack plate 202 is arc-shaped, and the center of the rack plate 202 and the center of the connecting frame 203 are the same. When the connecting frame 203 rotates, it drives the rack plate 202 to rotate, so that the rack plates 202 on both sides of the gear 201 respectively mesh with the gear 201.

[0036] The connecting frame 203 here includes two rings, inner and outer, which are connected by multiple bridges.

[0037] It should be noted that when the rotating shaft 109 rotates, the connecting rod 111 rotates synchronously with the connecting frame 203, so that the first mixing plate 112 rotates around the rotating shaft 109 as the center, and the connecting frame 203 drives the rack plate 202 to rotate, so that the inner and outer two rack plates 202 are respectively engaged with the gear 201, and each time one of the rack plates 202 is engaged with the gear 201, the second mixing plate 113 is driven to rotate a quarter of a circle, and through the continuous engagement of the inner and outer two rack plates 202 with the gear 201, the second mixing plate 113 reciprocates and rotates with the first mixing plate 112, which disturbs the flow of the internal waste liquid, so that the flocculating agent in the internal waste liquid can be fully distributed in the tank 101, so that the flocculating agent is fully mixed.

[0038] Please refer to the attached Figure 2 , attached Figure 4 and attached Figure 9 In the production process of lithium batteries, it is necessary to add flocculating agent to the lithium battery waste liquid to make the suspended particles and dissolved substances in the waste liquid into larger flocculating bodies, and then remove them from the waste liquid by sedimentation separation. However, the sedimentation process usually takes a long time to complete, which directly affects the efficiency of the entire treatment process. Long-time sedimentation not only increases the processing cost, but also prolongs the occupancy time of the equipment, reduces the use efficiency of the processing facilities, and thus affects the overall processing efficiency.

[0039] Secondly, the current treatment process also has a way of adding flocculating agent to the waste liquid immediately after the waste liquid is treated. This method can quickly form flocculating bodies, but because the waste liquid itself has fluidity, the waste liquid with high fluidity is easy to take the flocculating material that has not completely precipitated out during the discharge operation. This not only leads to the treated waste liquid still containing a high concentration of pollutants, but also increases the need for secondary sedimentation separation, further increasing the processing procedure, which may cause environmental pollution and reduce the processing efficiency and effect.

[0040] In order to solve the above problems, the flocculation and the treated wastewater can be discharged synchronously, the tank 101 is also provided with a separation mechanism 300 for separating the flocculation and the waste liquid, in the embodiment, the separation mechanism 300 comprises a spline shaft 301 installed on the rotating shaft 109, and the spline shaft 301 is slidably connected with a shaft sleeve 302, and a blocking block is installed on the end of the spline shaft 301 away from the rotating shaft 109, for limiting the movement of the shaft sleeve 302, thereby effectively avoiding the shaft sleeve 302 from being separated from the spline shaft 301. The shaft sleeve 302 is installed with a partition plate 303, and the both sides of the partition plate 303 are provided with openings 304, and the openings 304 are rotatably connected with swing leaves 305 through rotating shafts, so as to control the opening and closing of the openings 304 through the rotation of the swing leaves 305, thereby facilitating the control of whether the water flow in the tank 101 can pass through the openings 304.

[0041] The both sides of the sleeve 306 are rotatably connected with connecting rods 308 through rotating shafts, and the end of the connecting rod 308 away from the sleeve 306 is rotatably connected with the swing leaf 305 through a rotating shaft, by sliding the sleeve 306 on the shaft sleeve 302, the connecting rod 308 is driven to move, and the swing leaf 305 is pushed, so that under the action of the rotating shaft connection, the swing leaf 305 can be closed, and the sediment tank 105 and the tank 101 are separated into two independent spaces, the shaft sleeve 302 is provided with a spring 309, and one end of the spring 309 is fixedly connected with the outer wall of the partition plate 303, and the other end of the spring 309 is fixedly connected with the outer wall of the sleeve 306, by the setting of the spring 309, the sleeve 306 and the partition plate 303 are separated, so that the sleeve 306 and the partition plate 303 are separated by a distance, and the swing leaf 305 can be in an expanded state for a long time.

[0042] Specifically, the sleeve 306 is installed with a support 307, and the upper side of the support 307 is provided with an annular slide rail 311 installed on the connecting plate 116, and the annular slide rail 311 is slidably connected with an annular slide block 312, and the both sides of the annular slide block 312 are installed with electric push rods 313, and the telescopic end of the electric push rod 313 is fixedly connected with the support 307.

[0043] It should be noted that when the internal flocculation body and the treated waste liquid need to be discharged synchronously, the drive electric push rod 313 is driven to extend outward, so that the partition plate 303 moves into the sedimentation tank 105, and the electric push rod 313 is continuously pushed outward, so that the partition plate 303 is limited under the action of the stop block, the spring 309 is elastically deformed, so that the sliding sleeve 306 moves, the connecting rod 308 extrudes the swing leaf 305, the swing leaf 305 rotates under the action of the shaft connection, the opening 304 is closed, so that the waste liquid and the flocculation body in the tank body 101 are separated, and the internal flocculation body and the treated waste liquid are discharged synchronously.

[0044] Further, a plurality of third mixing plates 310 are annularly arranged on the partition plate 303 along the edge positions, and the third mixing plates 310 are fixedly connected with the partition plate 303. When the partition plate 303 rotates, the third mixing plates 310 can be driven to rotate synchronously, the waste liquid in the tank body 101 is stirred, the flocculant is fully mixed, and the waste liquid treatment efficiency is improved.

[0045] The above describes the embodiments of the present embodiment, but the present embodiment is not limited to the above specific embodiments. The above specific embodiments are only illustrative and not restrictive. Those skilled in the art can make many forms under the inspiration of the present embodiment, which are all within the protection scope of the present embodiment.

Claims

1. A lithium battery waste liquid treatment device, characterized in that, The application relates to a waste liquid treatment tank (100) which comprises a tank body (101), a tank cover (102) arranged on the tank body (101), a feeding opening (103) arranged on the tank cover (102) and used for adding flocculants, a liquid inlet (104) used for inputting waste liquid, a liquid outlet (107) arranged on the bottom of the tank body (101), a motor (108) arranged on the tank cover (102), and a controller (114) arranged on the tank body (101). The tank body (101) is internally provided with a turbulence assembly which comprises a rotating shaft (109) arranged at an internal position of the tank body (101), a swing shaft (110) arranged around the inside of the tank body (101), and a connecting rod (111) arranged around the rotating shaft (109) and corresponding to the swing shaft (110); a plurality of first mixing plates (112) are arranged on each connecting rod (111), a plurality of second mixing plates (113) are arranged on the swing shaft (110), and a swing mechanism (200) is arranged between the rotating shaft (109) and the swing shaft (110). The swing mechanism (200) comprises a gear (201) arranged on the swing shaft (110), and a rack plate (202) arranged on the inner and outer sides of the gear (201); an annular connecting frame (203) is arranged on the outer periphery of the rotating shaft (109), and the connecting frame (203) is fixedly connected with the rack plate (202). The rack plate (202) is arranged in an arc-shaped structure, and the center of the rack plate (202) is the same as the center of the connecting frame (203). When one of the rack plates (202) is connected with the gear (201) in meshing mode, the second mixing plate (113) rotates by one quarter of a circle.

2. The lithium battery waste liquid treatment device according to claim 1, characterized in that, A sediment tank (105) is further arranged on the bottom of the tank body (101), and a sewage pump (106) is further arranged on one side of the sediment tank (105).

3. The lithium battery waste liquid treatment device according to claim 1, characterized in that, The tank body (101) is fixedly connected with a support plate (115), the swing shaft (110) is connected with the support plate (115) through a bearing, a torsional spring is further arranged on the swing shaft (110), any two opposite support plates (115) are connected through a connecting plate (116), the rotating shaft (109) penetrates through the connecting plate (116), and the connecting plate (116) is connected with the rotating shaft (109) through a bearing.

4. The lithium battery waste liquid treatment device according to claim 3, characterized in that, The tank body (101) is internally provided with a separation mechanism (300), the separation mechanism (300) comprises a spline shaft (301) installed on the rotating shaft (109), and the spline shaft (301) is slidably connected with a shaft sleeve (302); the shaft sleeve (302) is installed with a separation plate (303), and both sides of the separation plate (303) are provided with openings (304); the openings (304) are rotatably connected with swing leaves (305) through rotating shafts; the shaft sleeve (302) is slidably connected with a sliding sleeve (306), and both sides of the sliding sleeve (306) are rotatably connected with connecting rods (308) through rotating shafts; the connecting rods (308) are rotatably connected with the swing leaves (305) through rotating shafts.

5. The lithium battery waste liquid treatment device according to claim 4, characterized in that, The spline shaft (301) is installed with a blocking block away from the rotating shaft (109).

6. The lithium battery waste liquid treatment device according to claim 4, characterized in that, The shaft sleeve (302) is provided with a spring (309).

7. The lithium battery waste liquid treatment device according to claim 4, characterized in that, The sliding sleeve (306) is installed with a support (307), and the support (307) is provided with an annular sliding rail (311) above; the annular sliding rail (311) is installed on a connecting plate (116); the annular sliding rail (311) is slidably connected with an annular sliding block (312); both sides of the annular sliding block (312) are installed with electric push rods (313); the telescopic ends of the electric push rods (313) are fixedly connected with the support (307).

Citation Information

Patent Citations

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