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CN-121372135-B - Battery grade material preparation device and operation method thereof

CN121372135BCN 121372135 BCN121372135 BCN 121372135BCN-121372135-B

Abstract

The invention discloses a battery grade material preparation device and an operation method thereof, and relates to the technical field of battery grade material preparation. The invention comprises a processing tank main body, a supporting seat, a feeding pipe, a discharging pipe, a stirring rod, a driving motor, a conveying pipe, a limiting baffle, a rubber sealing sleeve, an air bag main body and a pneumatic valve, wherein the conveying pipe is conveyed into the feeding pipe through the installation of the conveying pipe, the limiting baffle, the rubber sealing sleeve, the air bag main body and the pneumatic valve, the limiting baffle is contacted with the top end of the feeding pipe, the pneumatic valve is filled with compressed air to expand the air bag main body in the rubber sealing sleeve, the rubber sealing sleeve fills a gap between the conveying pipe and the feeding pipe to finish sealing, and dry gas is conveyed into the processing tank main body through the conveying pipe to dry the processing tank main body, so that the feeding pipes with different calibers can be adaptively sealed.

Inventors

  • GUAN JIANHUA
  • MO LI

Assignees

  • 湖南子墨环境科技有限公司

Dates

Publication Date
20260508
Application Date
20251224

Claims (7)

  1. 1. The battery level material preparation device comprises a processing tank main body (1), a supporting seat (2), a feeding pipe (3), a discharging pipe (4), a stirring rod (5) and a driving motor (6), wherein the bottom end of the processing tank main body (1) is fixedly connected with the supporting seat (2), the feeding pipe (3) is communicated with the top end of the processing tank main body (1), one side of the feeding pipe (3) is provided with the discharging pipe (4) communicated with the processing tank main body (1), the stirring rod (5) is arranged inside the processing tank main body (1), the driving motor (6) is fixedly connected with the top end of the processing tank main body (1), an output shaft of the driving motor (6) is fixedly connected with the top end of the stirring rod (5), the battery level material preparation device is characterized in that a conveying pipe (7) is fixedly connected with a limit baffle (8) on the conveying pipe (7), the lower surface of the limit baffle (8) is contacted with the top end of the feeding pipe (3), a rubber seal sleeve (9) which is fixedly connected with the inside the processing tank main body (3), a rubber seal sleeve (9) is arranged inside the feeding pipe (9), a pneumatic seal sleeve (10) is fixedly connected with the pneumatic seal sleeve (10), pneumatic valve (11) with limit baffle (8) cross-under, rubber seal cover (9) side be the ripple form design, guide way (12) have been seted up to symmetry on limit baffle (8), limit baffle (8) upper surface symmetry fixedly connected with guard casing (13) of guide way (12) intercommunication, inside sliding connection of guard casing (13) have with extruded piece (14) of guide way (12) cross-under, inside swivelling joint of guard casing (13) have with threaded rod (15) of extruded piece (14) meshing connection, rubber seal cover (9) below symmetry be equipped with conveyer pipe (7) fixed connection's mount pad (19) placed in the middle, bolted connection has mount lid (20) placed in the middle on mount pad (19) placed in the middle, inside sliding connection of mount pad (19) with spring piece (21) of mount lid (20) cross-under placed in the middle, spring piece (21) with material pipe (3) inner wall contact.
  2. 2. The battery grade material preparation device according to claim 1, wherein a worm wheel main body (16) rotationally connected with the protecting shell (13) is fixedly connected to the threaded rod (15), a worm main body (17) rotationally connected with the protecting shell (13) is connected to the worm wheel main body (16) in a meshed mode, and one end of the worm main body (17) penetrates through the surface of the protecting shell (13).
  3. 3. The battery grade material preparation device according to claim 1, wherein the bottom end of the extrusion block (14) is fixedly connected with a rubber pad (18), and a round corner is formed at the edge of the rubber pad (18).
  4. 4. The battery-level material preparation device according to claim 1, wherein a linkage rod (22) rotationally connected with the inner wall of the processing tank body (1) is fixedly connected to the bottom end of the stirring rod (5), and elastic brush plates (23) contacted with the inner wall of the processing tank body (1) are symmetrically and fixedly connected to the linkage rod (22).
  5. 5. The battery grade material preparation device according to claim 4, wherein the stirring rod (5) is fixedly connected with a first spiral plate (24) positioned inside the processing tank main body (1).
  6. 6. The battery-level material preparation device according to claim 5, wherein a second spiral plate (25) fixedly connected with the stirring rod (5) is arranged below the first spiral plate (24), and the second spiral plate (25) is positioned inside the processing tank body (1).
  7. 7. A method of operating a battery grade material preparation device adapted for use in a battery grade material preparation device as claimed in any one of claims 1 to 6, comprising: a1, put into inside pan feeding pipe (3) with conveyer pipe (7), limit baffle (8) and pan feeding pipe (3) top contact, compressed gas gets into inside gasbag main part (10) through pneumatic valve (11), and gasbag main part (10) inflation makes rubber seal cover (9) inflation, and rubber seal cover (9) contact pan feeding pipe (3) inner wall, and inside conveyer pipe (7) let in dry gas and send into processing jar main part (1): a2, conveying pipe (7) gets into inside pan feeding pipe (3), and spring piece (21) are in mount pad (19) and the inside slip of installation lid (20) placed in the middle, and spring piece (21) contact pan feeding pipe (3) inner wall is with conveying pipe (7) location placed in the middle inside pan feeding pipe (3): A3, rotating the worm main body (17), driving the worm wheel main body (16) and the threaded rod (15) to rotate inside the protective shell (13), driving the extrusion block (14) to be close to the flange edge of the feeding pipe (3), and extruding the flange edge by the rubber pad (18), so that the feeding pipe (3) and the limit baffle (8) are firmly connected: A4, when dry gas is introduced, a driving motor (6) is started to drive a stirring rod (5) to rotate in the processing tank main body (1), a linkage rod (22) drives an elastic brush plate (23) to clean a water film on the inner wall of the processing tank main body (1), a first spiral plate (24) and a second spiral plate (25) are fully contacted with the inner wall of the processing tank main body (1) by using the dry gas, A5, after the drying treatment is completed on the processing tank main body (1), the pneumatic valve (11) discharges compressed air inside the air bag main body (10), the rubber sealing sleeve (9) is not contacted with the inner wall of the feeding pipe (3), the conveying pipe (7) is pulled out of the feeding pipe (3), battery pole materials are fed into the processing tank main body (1) through the feeding pipe (3), the driving motor (6) drives the stirring rod (5) to rotate, the processing tank main body (1) is matched for heating, the battery pole materials are prepared, and the stirring rod (5) is assisted by the first spiral plate (24) and the second spiral plate (25) for stirring.

Description

Battery grade material preparation device and operation method thereof Technical Field The invention belongs to the technical field of battery grade material preparation, and particularly relates to a battery grade material preparation device and an operation method thereof. Background The stirring tank is core equipment for preparing the battery-grade material and is used for coprecipitation reaction or slurry mixing of precursors of positive electrode materials (such as lithium iron phosphate and ternary materials), and the stirring tank ensures uniform particle size, uniform components and low impurity content of a product by accurately controlling stirring speed, temperature, atmosphere and feeding sequence, and directly influences electrochemical performance and batch consistency of the materials, so the stirring tank belongs to a key device for preparing the battery-grade material. In the preparation process of battery-level materials, the stirring tank must be thoroughly dried before being used to avoid the introduction of impurities into residual moisture and influence the purity and electrochemical performance of materials, however, the existing stirring tank is generally lack of a special drying auxiliary structure, and especially when being connected with an external drying air source, different manufacturers and different specifications of feed inlets are difficult to adapt, because the sizes of the feed inlets are different and are more than standard flange interfaces, the reliable attachment of the traditional sealing mode such as an O-shaped ring or a fixed joint cannot be realized, the problems of air leakage, poor sealing and the like are easy to occur, operators often need to temporarily adopt nonstandard means such as adhesive tapes, gaskets and the like, the efficiency is low, the pollution risk is also caused, and in addition, the sealing life of equipment is also influenced by frequent disassembly, so that the existing stirring tank is lack of a general, convenient and high-tightness connecting structure in the drying pretreatment link, and the functionality and the automation level of the traditional stirring tank under a high-clean requirement scene are severely restricted. Disclosure of Invention The invention aims to provide a battery-level material preparation device and an operation method thereof, which can rapidly seal feeding pipes with different diameters through the mutual matching among components such as a conveying pipe, a limiting baffle, a rubber sealing sleeve, an air bag main body, a pneumatic valve and the like, and improve the convenience of a drying auxiliary structure. In order to solve the technical problems, the invention is realized by the following technical scheme: The invention relates to a battery-level material preparation device which comprises a processing tank main body, a supporting seat, a feeding pipe, a discharging pipe, a stirring rod and a driving motor, wherein the supporting seat is fixedly connected to the bottom end of the processing tank main body, the feeding pipe is communicated with the top end of the processing tank main body, the discharging pipe communicated with the processing tank main body is arranged on one side of the feeding pipe, the stirring rod is arranged in the processing tank main body, the driving motor is fixedly connected to the top end of the driving motor, an output shaft of the driving motor is fixedly connected with the top end of the stirring rod, a conveying pipe is connected to the inside of the feeding pipe in a penetrating manner, a limit baffle is fixedly connected to the conveying pipe, the lower surface of the limit baffle is contacted with the top end of the feeding pipe, a rubber sealing sleeve positioned in the feeding pipe is fixedly connected to the conveying pipe, an air sealing sleeve main body is arranged in the rubber sealing sleeve, a pneumatic valve communicated with the air bag main body is fixedly connected to the rubber sealing sleeve, and the pneumatic valve is connected with the limit baffle in a penetrating manner. Further, the side surface of the rubber sealing sleeve is of a corrugated design. Further, the guide slot has been seted up to the symmetry on the limit baffle, limit baffle upper surface symmetry fixedly connected with the protecting crust of guide slot intercommunication, the inside sliding connection of protecting crust have with the extrusion piece of guide slot cross-under, the inside rotation of protecting crust be connected with the threaded rod of extrusion piece meshing connection. Further, the worm gear body which is connected with the protecting shell in a rotating way is fixedly connected to the threaded rod, the worm gear body is connected with the worm body which is connected with the protecting shell in a rotating way in a meshed mode, and one end of the worm body penetrates through the surface of the protecting shell. Further, the rubber pad is fixedly connected with