Waste battery electrolyte collecting device
By combining an ultrasonic array and an electromagnetic coil for non-contact stirring, along with a nitrogen delivery system and composite tank materials, the problems of low stirring efficiency, high energy consumption, and poor safety in traditional electrolyte collection devices have been solved, achieving efficient collection and stability of electrolyte.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-03-20
AI Technical Summary
Traditional electrolyte collection devices suffer from problems such as low stirring efficiency, high energy consumption, difficulty in preventing crystallization, insufficient temperature change control, poor oxygen content control, and poor safety.
It employs a non-contact stirring method combining ultrasonic arrays and electromagnetic coils, along with a nitrogen delivery system, composite tank materials, and self-healing capabilities. It also integrates micro sensors and a PID controller to achieve dynamic pressure balance and oxygen control.
It improves the uniformity and collection efficiency of the electrolyte, enhances the sealing and safety of the tank, reduces the risk of external impact, buffers temperature fluctuations, prevents the electrolyte from reacting with oxygen, and ensures the quality of the electrolyte.
Smart Images
Figure CN224009652U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrolyte collection technical field especially relates to a kind of waste battery electrolyte collection device. BACKGROUND
[0002] With the growing demand for clean energy worldwide, batteries are increasingly widely used in electric vehicles, energy storage systems and other fields. However, the disposal of waste batteries has become an urgent environmental and resource problem. The electrolyte produced after the disassembly of waste batteries contains various chemical substances, and if not properly treated, it will not only pollute the environment, but also waste resources.
[0003] Traditional electrolyte collection devices face many challenges during the collection process. Electrolyte is prone to crystallization under certain conditions, and crystallized electrolyte can block the pipeline, affecting the normal operation of the collection device. To prevent this from happening, traditional devices usually have a mechanical stirring mechanism for regular stirring. However, the mechanical stirring mechanism has obvious limitations, with low stirring efficiency, making it difficult to fully mix the electrolyte and unable to effectively avoid crystallization problems. Moreover, the mechanical stirring mechanism has high energy consumption, increasing operating costs. In addition, traditional devices have deficiencies in dealing with temperature changes of electrolyte, oxygen content control, and safety and stability of the tank, so we propose a waste battery electrolyte collection device to solve the above problems. SUMMARY
[0004] The utility model aims at solving the shortcomings in prior art and proposes a waste battery electrolyte collection device.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:
[0006] A waste battery electrolyte collection device includes a composite tank, the lower end of the composite tank is provided with an ultrasonic array at equal intervals, a magnetic field driving mechanism is installed in the middle of the composite tank, a nitrogen delivery mechanism is installed at the upper end of the composite tank, an energy storage mechanism is movably attached to one side of the composite tank, an electrochemical oxygen sensor is installed on one side of the upper end of the composite tank, and a micro pressure sensor is installed on one side of the composite tank.
[0007] Preferably, the ultrasonic array includes four ultrasonic generators fixed at equal intervals around the lower end of the composite tank.
[0008] Preferably, the magnetic field driving mechanism includes a ring-shaped mounting box fixed around the middle of the composite tank, and an electromagnetic coil is installed in the ring-shaped mounting box.
[0009] Preferably, the nitrogen conveying mechanism comprises an annular mounting pipe fixed around the upper end of the composite tank body, a plurality of nozzles mounted on the side wall of the annular mounting pipe, and the nozzles penetrating through the side wall of the composite tank body and extending into the composite tank body, one end of the annular mounting pipe being connected with a nitrogen conveying pipe, and one end of the nitrogen conveying pipe being connected with a nitrogen storage mechanism.
[0010] Preferably, the energy storage mechanism comprises two flexible photovoltaic panels arranged on one side of the composite tank body, and two suction cups mounted on one side of the flexible photovoltaic panels and adsorbed on one side of the composite tank body.
[0011] Preferably, the composite tank body comprises, from inside to outside, a shape memory polymer, a carbon fiber woven net and a polylactic acid shell, and the carbon fiber woven net and the polylactic acid shell are filled with a paraffin-based phase change material.
[0012] Preferably, the lower end of the composite tank body is connected with a discharge pipe, an electric valve is mounted on the discharge pipe, and a fluorocarbon coating is coated on the side wall of the composite tank body.
[0013] In the utility model, the inner layer of the composite tank body adopts a shape memory polymer modified by fluorinated silane, the thickness is 0.5-1mm, and the self-repairing is realized through thermal triggering or light triggering when the damage occurs, the middle layer is a carbon fiber woven net, the mechanical support is provided and a piezoelectric sensor is embedded, the internal pressure is monitored in real time, the outer layer is a detachable polylactic acid shell, the fluorocarbon coating treatment is carried out on the outer layer, the surface resistance is reduced to below 10^6 Ω, the external impact risk is reduced, the paraffin-based phase change material is filled between the carbon fiber woven net and the polylactic acid shell, and the influence of external temperature fluctuation on the electrolyte is buffered.
[0014] The ultrasonic wave array is annularly arranged at the bottom of the tank body, the frequency is 40kHz, and the power is 50W; high-frequency vibration is generated through the piezoelectric ceramic sheet; the electromagnetic coil is wound outside the middle layer, low-frequency alternating current (10-100Hz) is input, a non-uniform magnetic field is generated to drive ion migration, and a micro pressure difference feedback system is integrated with a micro pressure sensor and a PID controller to realize the dynamic balance between the nitrogen filling amount and the pressure in the tank, the target pressure fluctuation is less than 0.5kPa, an oxygen concentration early warning mechanism is installed on the top of the tank and connected with the nitrogen system to automatically supplement the gas, the oxygen content is ensured to be less than 50ppm, the flexible photovoltaic panel (efficiency > 18%) is adsorbed on the side wall of the tank body to supply power for the sensor and the control system, and off-grid operation is realized.
[0015] The utility model has the advantages of the following:
[0016] 1. The ultrasonic wave array is annularly arranged at the bottom of the tank body, high-frequency vibration is generated through the piezoelectric ceramic sheet, the non-contact stirring mode can more efficiently keep the electrolyte in a uniform state, compared with the traditional mechanical stirring mechanism, the electrolyte crystallization problem can be more fully solved, and the collection efficiency is improved;
[0017] 2. The electromagnetic coil is wound outside the intermediate layer, and low-frequency alternating current is input, non-uniform magnetic field is generated to drive ion migration, electrolyte uniform distribution is further promoted, and crystallization possibility is reduced;
[0018] 3. The composite tank enhances the sealing and safety of the tank, and after fluorocarbon coating treatment, the surface resistance is reduced, and the self-repairing function is also reduced.
[0019] 4. The paraffin-based phase change material is filled between the carbon fiber woven net and the polylactic acid shell, which can buffer the influence of external temperature fluctuation on the electrolyte and maintain the stability of the electrolyte.
[0020] 5. The integrated micro pressure sensor and PID controller realize the dynamic balance of the nitrogen filling amount and the tank pressure, the nitrogen system is automatically supplemented, the chemical reaction between the electrolyte and oxygen is prevented, and the quality of the electrolyte is ensured.
[0021] Compared with the traditional mechanical stirring mechanism, the electrolyte crystallization problem can be more fully solved, the collection efficiency is improved, the sealing and safety of the tank are enhanced, the external impact risk is reduced, the influence of external temperature fluctuation on the electrolyte is buffered, the stability of the electrolyte is maintained, the nitrogen system is automatically supplemented, the chemical reaction between the electrolyte and oxygen is prevented, and the quality of the electrolyte is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a structure diagram of the utility model;
[0023] Figure 2 It is a flexible photovoltaic panel and sucker connecting structure diagram of the utility model;
[0024] Figure 3 It is a nozzle distribution structure diagram of the utility model;
[0025] Figure 4 It is a fluorocarbon coating setting structure diagram of the utility model;
[0026] Figure 5 It is an ultrasonic array distribution structure diagram of the utility model;
[0027] Figure 6 It is a composite tank composition structure diagram of the utility model;
[0028] Figure 7 It is a paraffin-based phase change material filling structure diagram of the utility model.
[0029] In the figure: 1 electrochemical oxygen sensor, 2 ring-shaped mounting box, 3 nitrogen conveying pipe, 4 nitrogen storage mechanism, 5 ultrasonic generator, 6 exhaust pipe, 7 electric valve, 8 flexible photovoltaic panel, 9 miniature pressure sensor, 10 ring-shaped mounting pipe, 11 composite tank body, 12 suction cup, 13 carbon fluoride coating, 14 spray head, 15 shape memory polymer, 16 carbon fiber woven mesh, 17 polylactic acid shell, 18 paraffin-based phase change material. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0031] REFERENCE Figures 1-7 A waste battery electrolyte collecting device, comprising a composite tank body 11, the lower end of the composite tank body 11 is provided with an ultrasonic array at equal intervals, a magnetic field driving mechanism is installed in the middle part of the composite tank body 11, a nitrogen conveying mechanism is installed at the upper end of the composite tank body 11, an energy storage mechanism is movably attached to one side of the composite tank body 11, an electrochemical oxygen sensor 1 is installed on one side of the upper end of the composite tank body 11, the electrochemical oxygen sensor can monitor the oxygen concentration in the tank in real time and transmit the concentration signal to the control system. When the oxygen concentration exceeds 50ppm, the control system will automatically supplement the nitrogen system to ensure that the oxygen content in the tank is always below the safety standard, prevent the electrolyte from reacting with oxygen, and ensure the safety of the collection process;
[0032] A miniature pressure sensor 9 is installed on one side of the composite tank body 11, which can accurately measure the pressure in the tank and provide accurate pressure data for the micro-pressure difference feedback system, so as to realize the dynamic balance between the nitrogen filling amount and the pressure in the tank;
[0033] The ultrasonic array comprises four ultrasonic generators 5 fixed at equal intervals around the lower end of the composite tank body 11, and the equal-interval ring-shaped arrangement can make the ultrasonic waves uniformly distributed at the bottom of the composite tank body, thereby covering the bottom area of the tank to the greatest extent and more effectively treating the electrolyte. The piezoelectric ceramic sheet will mechanically deform after being electrified, thereby generating high-frequency ultrasonic vibration, which can stir and disperse the electrolyte, prevent the components in the electrolyte from precipitating or agglomerating, and be conducive to the subsequent collection and processing process;
[0034] The magnetic field driving mechanism comprises a ring-shaped mounting box 2 fixed around the middle part of the composite tank body 11, an electromagnetic coil is mounted in the ring-shaped mounting box 2, the ring-shaped mounting box provides a stable mounting environment for the electromagnetic coil, and also protects the electromagnetic coil to a certain extent, preventing it from being disturbed by external factors, the electromagnetic coil is wound outside the middle layer, and low-frequency alternating current makes the electromagnetic coil generate a constantly changing magnetic field; the non-uniform magnetic field will generate a force on the ions in the electrolyte, promoting the migration of the ions, which helps to separate and uniformly distribute different components in the electrolyte, and improves the collection efficiency and quality;
[0035] The nitrogen conveying mechanism comprises a ring-shaped mounting pipe 10 fixed around the upper end of the composite tank body 11, a plurality of nozzles 14 are mounted on the side wall of the ring-shaped mounting pipe 10, the nozzles 14 penetrate the side wall of the composite tank body 11 and extend into the composite tank body 11, one end of the ring-shaped mounting pipe 10 is connected with a nitrogen conveying pipe 3, one end of the nitrogen conveying pipe 3 is connected with a nitrogen storage mechanism 4, the ring-shaped mounting pipe and the nozzles distributed around are designed to enable the nitrogen to enter the composite tank body uniformly, thereby providing a stable inert environment for the electrolyte, the nitrogen storage mechanism can ensure sufficient supply of nitrogen to meet the operation requirements of the device, and a micro pressure sensor monitors the pressure in the tank in real time and transmits the pressure signal to a PID controller; the PID controller automatically adjusts the flow of the nitrogen conveying according to the preset target pressure value, so that the pressure in the tank is stably kept within a small fluctuation range, thereby providing a stable pressure environment for the collection of the electrolyte;
[0036] The energy storage mechanism comprises two flexible photovoltaic panels 8 arranged on one side of the composite tank body 11, one side of each flexible photovoltaic panel 8 is provided with two suction cups 12, one end of each suction cup 12 is attached to one side of the composite tank body 11, the flexible photovoltaic panels have good flexibility and can better fit the side wall of the composite tank body, and are installed by the suction cup attachment method, which is convenient for disassembly and replacement; in the case of light, the flexible photovoltaic panels convert solar energy into electric energy to provide power support for the electrochemical oxygen sensor, the micro pressure sensor and the related control system in the device; in the case of no light, the conventional power mode is adopted;
[0037] The composite tank body 11 is composed of a shape memory polymer 15, a carbon fiber woven net 16 and a polylactic acid shell 17 from inside to outside, and a paraffin-based phase change material 18 is filled between the carbon fiber woven net 16 and the polylactic acid shell 17; the shape memory polymer serves as an inner layer material and has unique self-repairing performance; the carbon fiber woven net provides strong mechanical support and enhances the structural strength of the tank body; the polylactic acid shell has good environmental protection performance and certain protection effect; and the paraffin-based phase change material can absorb and release heat to buffer the influence of external temperature fluctuations on the electrolyte;
[0038] The fluorinated silane modification improves the stability and chemical properties of the shape memory polymer, and when the tank body is damaged, the shape memory polymer molecular chain is rearranged through heat or light triggering to fill the damaged part, thereby restoring the integrity of the tank body, improving the service life and safety of the device;
[0039] The carbon fiber woven net has the characteristics of high strength and low density, can effectively withstand the pressure inside the tank body and the impact force outside, the embedded micro pressure sensor can convert the pressure change into an electric signal, and the pressure inside the tank body can be fed back in real time, so that timely measures can be taken to ensure the safe operation of the device;
[0040] The paraffin-based phase change material has the characteristics of absorbing and releasing a large amount of heat in a specific temperature range. When the external temperature rises, the phase change material absorbs heat and undergoes phase change; when the external temperature decreases, the phase change material releases heat, thereby keeping the temperature inside the tank body relatively stable, avoiding performance change of the electrolyte due to temperature change;
[0041] The lower end of the composite tank body 11 is connected with a discharge pipe 6, the discharge pipe 6 is provided with an electric valve 7, and the side wall of the composite tank body 11 is coated with a fluorinated carbon coating layer 13. The fluorinated carbon coating treatment not only reduces the surface resistance of the shell, reduces the static electricity accumulation, but also improves the wear resistance and corrosion resistance of the shell, and further protects the structure and electrolyte inside the tank body.
[0042] In the utility model, the inner layer of the composite tank body 11 adopts the shape memory polymer modified by fluorinated silane, the thickness is 0.5-1mm, and when damaged, self-repairing is realized through heat triggering (50-60 DEG C) or light triggering (UV 365nm), the middle layer is the carbon fiber woven net 16, provides mechanical support and embeds the piezoelectric sensor, and the internal pressure is monitored in real time, the outer layer is the detachable polylactic acid shell 17, the outer layer is treated by fluorinated carbon coating, the surface resistance is reduced to below 10^6 Ω, the external impact risk is reduced, the paraffin-based phase change material 18 is filled between the carbon fiber woven net 16 and the polylactic acid shell 17, and the influence of external temperature fluctuation on the electrolyte is buffered.
[0043] The ultrasonic wave array is arranged in the annular form at the bottom of the tank body, the frequency is 40kHz, and the power is 50W. High-frequency vibration is generated through the piezoelectric ceramic sheet. The electromagnetic coil is wound outside the middle layer, low-frequency alternating current (10-100Hz) is input, a non-uniform magnetic field is generated to drive ion migration, and a micro pressure difference feedback system is integrated with a micro pressure sensor and a PID controller, so that the dynamic balance between the nitrogen filling amount and the pressure in the tank is realized, the target pressure fluctuation is less than 0.5kPa, the oxygen concentration early warning mechanism is installed with an electrochemical oxygen sensor 1 on the top of the tank, the nitrogen system is automatically supplemented in linkage, the oxygen content is ensured to be less than 50ppm, the flexible photovoltaic panel 8 (efficiency > 18%) is adsorbed on the side wall of the tank body, the sensor and the control system are powered, and off-grid operation is realized.
[0044] The above merely is the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art, according to the technical scheme and the application concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, all should be covered in the protection scope of the present application.
Claims
1. A waste battery electrolyte collection device, comprising a composite tank (11), characterized in that, The lower end of the composite tank (11) is provided with an ultrasonic array at equal intervals. A magnetic field driving mechanism is installed in the middle of the composite tank (11). A nitrogen conveying mechanism is installed at the upper end of the composite tank (11). An energy storage mechanism is movably adsorbed on one side of the composite tank (11). An electrochemical oxygen sensor (1) is installed on one side of the upper end of the composite tank (11). A miniature pressure sensor (9) is installed on one side of the composite tank (11).
2. The waste battery electrolyte collection device according to claim 1, characterized in that: The ultrasonic array includes four ultrasonic generators (5) that are fixed at equal intervals around the lower end of the composite tank (11).
3. The waste battery electrolyte collection device according to claim 1, characterized in that: The magnetic field driving mechanism includes an annular mounting box (2) fixed around the middle of the composite tank (11), and an electromagnetic coil is installed inside the annular mounting box (2).
4. The waste battery electrolyte collection device according to claim 1, characterized in that: The nitrogen delivery mechanism includes an annular mounting pipe (10) fixed around the upper end of the composite tank (11). A nozzle (14) is installed on the side wall of the annular mounting pipe (10), and the nozzle (14) penetrates the side wall of the composite tank (11) and extends into the composite tank (11). One end of the annular mounting pipe (10) is connected to a nitrogen delivery pipe (3), and one end of the nitrogen delivery pipe (3) is connected to a nitrogen storage mechanism (4).
5. The waste battery electrolyte collection device according to claim 1, characterized in that: The energy storage mechanism includes two flexible photovoltaic panels (8) disposed on one side of the composite tank (11). Two suction cups (12) are installed on one side of the flexible photovoltaic panels (8), and one end of the suction cups (12) is attached to one side of the composite tank (11).
6. The waste battery electrolyte collection device according to claim 1, characterized in that: The composite tank (11) is composed of shape memory polymer (15), carbon fiber woven mesh (16) and polylactic acid shell (17) from the inside out, and paraffin-based phase change material (18) is filled between the carbon fiber woven mesh (16) and the polylactic acid shell (17).
7. The waste battery electrolyte collection device according to claim 1, characterized in that: The lower end of the composite tank (11) is connected to a discharge pipe (6), an electric valve (7) is installed on the discharge pipe (6), and a fluorocarbon coating (13) is applied to the side wall of the composite tank (11).