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CN-110931905-B - System and method for discharging retired power batteries in batches

CN110931905BCN 110931905 BCN110931905 BCN 110931905BCN-110931905-B

Abstract

The invention discloses a system for discharging retired power batteries in batches, and discloses a discharging method of the system for discharging retired power batteries in batches, wherein the system for discharging retired power batteries in batches comprises a discharging tank, a driving mechanism and discharging particles, a special battery charging and discharging instrument with high price is not needed in the discharging process, the discharging particles used in the discharging process can be recycled, the discharging cost is low, the discharging efficiency is high, secondary waste water, waste gas and waste residue pollution can not be generated, the system is safe and environment-friendly, special connection of positive and negative electrodes of the batteries is not needed, the risk of ignition caused by local heating of the positive and negative electrode ends of the batteries due to poor contact caused by oxidation of the positive and negative electrode ends of the batteries after long-time use is avoided, the discharging can be realized by simply mixing the batteries and the discharging particles, the discharging can be compatible and applicable to power batteries with different sizes by utilizing the free conduction effect of the discharging particles, and the whole discharging process is simple and easy to be suitable for industrialized application.

Inventors

  • XIE YINGHAO
  • YU HAIJUN

Assignees

  • 广东邦普循环科技有限公司
  • 湖南邦普循环科技有限公司
  • 湖南邦普汽车循环有限公司

Dates

Publication Date
20260505
Application Date
20191203

Claims (5)

  1. 1. A system for mass discharging of retired power cells, comprising: A discharge tank (100) comprising a feed inlet (110), a discharge outlet (120) and a discharge chamber (130); the driving mechanism is horizontally arranged on the discharge tank (100), and drives the discharge tank (100) to rotate around the central axis; A discharge particle (150) filled in the discharge cavity (130), wherein the discharge particle (150) comprises a conductive shell (151) with conductive ends and conductive powder filled in the conductive shell (151); The conductive shell (151) comprises an upper metal cap (152), a lower metal cap (153) and an insulating connecting rod (154) for connecting the upper metal cap (152) and the lower metal cap (153), wherein a cavity is formed inside the upper metal cap (152), the lower metal cap (153) and the insulating connecting rod (154), and the conductive powder is filled in the cavity; both ends of the insulating connecting rod (154) can be connected with the upper metal cap (152) and the lower metal cap (153) through threads; the feeding device (200) is connected with the feeding hole (110), the feeding device (200) comprises a loading platform (210), a feeding mechanism, a clamping mechanism (230) and a barrier rod mechanism (240), the loading platform (210) comprises a feeding area (211) and a clamping area (212), the clamping area (212) is provided with a movable side plate (213), and the movable side plate (213) can swing to be in an inclined or vertical state; The feeding mechanism is arranged at the side of the feeding area (211) and comprises a first pushing mechanism (220), and the first pushing mechanism (220) pushes the battery from the feeding area (211) to the clamping area (212) towards the movable side plate (213); The clamping mechanism (230) comprises a clamping plate (231) and a propeller (232), wherein the clamping plate (231) moves up and down above the clamping area (212), the clamping plate (231) is provided with a plurality of clamping openings (233) with upper and lower openings, and the propeller (232) moves in a telescopic way towards the clamping openings (233); The barrier rod mechanism (240) is arranged below the clamping mechanism (230) and comprises a plurality of barrier rods (241) which are arranged in parallel, and the barrier rods (241) move back and forth and left and right on a horizontal plane; The feeding device (200) further comprises a feeding mechanism, the clamping area (212) is provided with a discharge opening (214) connected with the feeding opening (110), the feeding mechanism and the barrier rod mechanism (240) are installed on the clamping area (212) on the same side, the feeding mechanism comprises a second pushing plate (251) and a first driver, and the first driver drives the second pushing plate (251) to push a battery on the clamping area (212) towards the direction of the discharge opening (214); the movable side plate (213) is connected with the movable side plate (213) by a motor, and the movable side plate (213) is movably connected with the clamping area (212) through a rotating shaft; The tail part of the protective clamp (700) is in a dovetail shape, when the protective clamp (700) is placed at the clamping opening (233), the tail part of the protective clamp (700) is clamped by the inner wall of the clamping opening (233), and the clamping opening of the protective clamp (700) faces downwards, so that the clamping opening of the protective clamp (700) is opened, and the clamping opening of the protective clamp (700) can be clamped on the battery (600); The automatic discharging device is characterized by further comprising a discharging device (300) connected with the discharging hole (120), wherein the discharging device (300) comprises a conveying line (310), a deflection mechanism (320), a push rod mechanism (330), an inductor (340) and a turnover mechanism (350), the conveying line (310) is provided with a height limiting cross rod (311) above the front end, the height limiting cross rod (311) limits the passing of one layer of batteries each time and enables the batteries to transversely run, and the left side plate (312) and the right side plate (313) are arranged on two sides of the conveying line (310); The deflection mechanism (320) is arranged above the conveying line (310) and is positioned behind the height limiting cross bar (311) and used for directing the surface of the positive electrode and the negative electrode of the battery to the left side plate (312) or the right side plate (313); The push rod mechanism (330) is respectively arranged on the left side plate (312) and the right side plate (313) and is positioned behind the deflection mechanism (320), and comprises a push head (331) which stretches and contracts towards the opposite side; The sensor (340) is used for detecting the orientation of a battery and is positioned between the deflection mechanism (320) and the push rod mechanism (330), and the sensor (340) is connected with the push rod mechanism (330); the turnover mechanism (350) is connected to the tail end of the conveying line (310) and is used for changing the batteries from horizontal to vertical; The automatic clamping device is characterized by further comprising a clamping unloading mechanism (400) connected above the tail end of the turnover mechanism (350), wherein the clamping unloading mechanism (400) comprises a clamping unloading plate (410) and a second driver for driving the clamping unloading plate (410) to move up and down, and the clamping unloading plate (410) comprises a clamping taking opening (411).
  2. 2. The system for batch discharge of retired power batteries according to claim 1, wherein the discharge tank (100) is mounted on the driving mechanism in a manner that the feed inlet (110) is higher than the discharge outlet (120) in a tilting and horizontal mode, a transmission gear (160) is arranged on the outer wall of the discharge tank (100), and the driving mechanism is meshed with the transmission gear (160) for driving.
  3. 3. The system for batch discharging of retired power batteries according to claim 1, wherein the deflection mechanism (320) comprises a plurality of deflection rods (321), a plurality of deflection guide rails (322) and a plurality of deflection motors (323), the deflection rods (321) are vertically arranged above the conveying line (310) through the deflection guide rails (322), the deflection guide rails (322) are provided with guide grooves (324), one deflection motor (323) correspondingly drives one deflection rod (321) to move along the guide grooves (324) so as to change the distribution position of the deflection rods (321), the deflection rods (321) can freely rotate, the turnover mechanism (350) comprises two inclined tracks (352) which are formed by a plurality of guide plates (351), the guide plates (351) of one track (352) are sequentially arranged and connected in a gradual manner from horizontal gradual to vertical orientation, material receiving plates (353) are arranged below the guide rails, and baffles (354) are arranged on two sides of the guide rails.
  4. 4. The system for batch discharging of retired power batteries according to claim 1, characterized in that a separating device (500) is installed between the discharging hole (120) and the discharging device (300), the separating device (500) comprises a receiving tray (510), a screen plate (520), a vibrator (530) and a collecting tray (540), one end of the screen plate (520) is connected with the receiving tray (510), the other end is connected with the conveying line (310), the screen plate (520) is provided with a plurality of through holes (521) with a larger aperture than the discharging particles (150), the vibrator (530) is installed on the screen plate (520), and the collecting tray (540) is installed below the screen plate (520).
  5. 5. A discharging method of a system for discharging retired power batteries in batches is characterized in that a plurality of batteries are placed in a discharging tank (100), a plurality of discharging particles (150) are filled in the discharging tank (100), the discharging tank (100) rotates, the batteries and the discharging particles (150) are turned over in the discharging tank (100), and positive electrodes and negative electrodes of the batteries are connected with the plurality of discharging particles (150) to form an electric path randomly, so that a discharging effect is achieved on the batteries.

Description

System and method for discharging retired power batteries in batches Technical Field The invention relates to the technical field of battery discharge recovery, in particular to a system and a discharging method for batch discharging of retired power batteries. Background When the power battery is retired, the power battery still has higher residual voltage and residual energy, the danger is very high, and discharge treatment is needed when disassembly and recovery are carried out. The traditional discharging method comprises chemical discharging and physical discharging, wherein the chemical discharging method is to put the battery into the discharging liquid for soaking for a certain time, so that the battery and the discharging liquid are subjected to chemical reaction, and the energy is consumed. Although the chemical discharge can realize batch discharge, discharge waste liquid is generated after the discharge, the discharge waste liquid contains harmful substances such as electrolyte, nickel, cobalt, manganese, fluorine and the like, the waste liquid treatment difficulty is high, the treatment cost is high, and the battery and the discharge liquid generate side reaction of electrolyzed water during the discharge to generate hydrogen, so that the risk of explosion exists. The traditional physical discharging method adopts a special battery charging and discharging instrument to connect the positive electrode and the negative electrode of the battery, the discharging equipment needs to accurately position the positive electrode and the negative electrode of the battery so as to connect the battery with the discharging instrument, if batch discharging is needed, a large number of wires, contact terminals and the discharging instrument which are used for connecting the battery with the discharging instrument are needed to be matched, batch discharging is difficult to realize, and the discharging cost is high. The limitations of the traditional chemical discharge method and the physical discharge method are obvious. Disclosure of Invention The present invention aims to solve at least one of the above-mentioned technical problems in the related art to some extent. Therefore, the invention provides a system and a discharging method for discharging retired power batteries in batches. In order to achieve the above purpose, the technical scheme of the invention is as follows: The invention also provides a discharging method using the system for discharging the retired power batteries in batches. The system for discharging the retired power batteries in batches comprises a discharging tank, a driving mechanism and discharging particles, wherein the discharging tank comprises a feeding hole, a discharging hole and a discharging cavity, the driving mechanism is horizontally arranged on the driving mechanism and drives the discharging tank to rotate around the central axis of the discharging tank, the discharging particles are filled in the discharging cavity, and the discharging particles comprise conductive shells with conductive ends and conductive powder filled in the conductive shells. The system for discharging the retired power batteries in batches has the advantages that a special battery charging and discharging instrument with high price is not needed in the discharging process, discharging particles used in the discharging process can be recycled, discharging cost is low, discharging efficiency is high, secondary waste water, waste gas and waste residue pollution cannot be generated, safety and environment friendliness are achieved, the positive electrode and the negative electrode of the batteries are not needed to be specially connected, and the risk of ignition caused by local heating of the positive electrode end and the negative electrode end of the batteries due to poor contact caused by oxidation of the positive electrode end and the negative electrode end of the batteries after long-time use is avoided. The battery and the discharge particles are simply mixed, the discharge can be realized by utilizing the free conduction effect of the discharge particles, the battery discharging device is compatible and applicable to power batteries with different sizes, and the whole discharging process is simple and feasible and is suitable for industrialized application. According to some embodiments of the invention, the conductive housing comprises an upper metal cap, a lower metal cap, and an insulating connecting rod for connecting the upper metal cap and the lower metal cap, wherein a cavity is formed inside the upper metal cap, the lower metal cap and the insulating connecting rod, and the conductive powder is filled in the cavity. According to some embodiments of the invention, the discharge tank is arranged on the driving mechanism in a manner that the feed inlet is higher than the discharge outlet in a leaning and horizontal mode, a transmission gear is arranged on the outer wall of the discharge tan