Preparation device of lithium titanate slurry

Abstract

The utility model provides a lithium titanate slurry preparation device which comprises a treatment tank, the inner side wall of the treatment tank is rotatably connected with a dispersion box, the inner side wall of the dispersion box is rotatably provided with a first dispersion disc and a second dispersion disc respectively, the top end of the treatment tank is slidably connected with two connecting frames, and one ends of the two connecting frames are fixedly provided with a top frame; the slurry dispersing device has the beneficial effects that the slurry in the dispersing box is in a rolling annular flow during rotation and generates a strong vortex through the rotation of the arranged dispersing box for treating the slurry and the non-rotation of the first dispersing disc in the dispersing box and the reverse rotation of the second dispersing disc; under the action of centrifugal force, slurry is extruded out of meshes of the first dispersion disc and the second dispersion disc to form a turbulent flow area, the slurry and particles are strongly sheared and impacted, an upper beam and a lower beam are formed outside the area, and the slurry is fully circulated and turned over, so that the dispersion effect is achieved, and the slurry treatment efficiency of the whole preparation device is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lithium titanate slurry preparation technical field, concretely relates to a kind of lithium titanate slurry preparation device. BACKGROUND

[0002] In recent years, a lot of research work has been done on lithium ion battery negative materials at home and abroad, among which, spinel lithium titanate (Li4Ti5O12) negative material is praised as the most promising lithium ion power battery negative material due to its excellent safety characteristics, cycle performance, fast charging and discharging performance and wide working temperature range. As a new lithium ion battery negative material, spinel lithium titanate has the characteristics of almost no change in crystal structure during charging and discharging, and is therefore called "zero strain" material. The lithium titanate slurry preparation device currently mainly has the following common defects:

[0003] In the preparation process of traditional lithium titanate slurry, the existing mixer dispersing disc is solid, and only single-layer dispersing disc can be used for slurry stirring treatment, thereby reducing the efficiency of rapid treatment of slurry and the working efficiency of the whole preparation device. UTILITARIAN CONTENT

[0004] The utility model aims to provide a kind of lithium titanate slurry preparation device, to solve the problem of the existing technology that the existing mixer dispersing disc is solid, only single-layer dispersing disc can be used for slurry stirring treatment, thereby reducing the efficiency of rapid treatment of slurry and the working efficiency of the whole preparation device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A lithium titanate slurry preparation device, comprising a treatment tank, a dispersing box is rotatably connected to the inner side wall of the treatment tank, a first dispersing disc and a second dispersing disc are rotatably connected to the inner side wall of the dispersing box, two connecting frames are slidably connected to the top end of the treatment tank, a top frame is fixedly installed at one end of the two connecting frames, the bottom end inner wall of the top frame is rotatably connected to the top end outer side of the dispersing box, an outer tube and an inner rod are fixedly installed at the top end of the first dispersing disc and the second dispersing disc respectively, the inner side wall of the outer tube is rotatably connected to the outer side of the inner rod, the top end of the outer tube is fixedly connected to the bottom end of the top frame, and the top end outer side of the inner rod is rotatably connected to the inner side wall of the top frame.

[0007] As a preferred embodiment of the utility model, a linkage rod is rotatably connected to the inner side wall of the top frame, linkage gears are fixedly installed at both ends of the linkage rod, a drive gear ring is fixedly installed at the top end outer side of the dispersing box, and the drive gear ring is engaged with the linkage gears.

[0008] As one preferred of the utility model, the first gear is fixedly installed at the top end of the inner rod, the first gear is engaged with the second gear, and the two ends of the second gear are rotationally connected with the inner side wall of the top frame.

[0009] As one preferred of the utility model, the driven gear ring is rotationally connected with the inner wall at the top end of the top frame, the second gear is engaged with the driven gear ring, and the outer side of the driven gear ring is engaged with the connecting gear.

[0010] As one preferred of the utility model, the driving motor is fixedly installed at the top end of the top frame, and the output end of the driving motor is fixedly connected with the top end of the connecting rod.

[0011] As one preferred of the utility model, four support columns are fixedly installed at the outer side of the processing tank.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The dispersion tank is arranged to be rotated for treating the slurry, the first dispersion disc inside the dispersion tank is kept from rotating, and the second dispersion disc is reversely rotated, so that the slurry in the dispersion tank is in a rolling annular flow when rotating, and a strong vortex is generated; under the action of centrifugal force, the slurry is extruded from the mesh holes of the first dispersion disc and the second dispersion disc to form a turbulent flow area, the slurry and particles are subjected to strong shearing and impact, two beam flows are formed outside the area, the slurry is fully circulated and turned over, and thus the dispersion effect is achieved, and the efficiency of the overall preparation device for treating the slurry is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0015] Figure 1 It is the overall structure schematic view of the utility model;

[0016] Figure 2 It is the internal structure schematic view of the processing tank of the utility model;

[0017] Figure 3 It is the internal structure schematic view of the top frame of the utility model;

[0018] Figure 4 It is the internal structure schematic view of the dispersion tank of the utility model;

[0019] Figure 5 It is the internal structure schematic view of the outer pipe of the utility model.

[0020] In the figure: 1, processing tank; 11, support column; 2, dispersion box; 21, driving gear ring; 3, first dispersion disc; 31, outer tube; 4, second dispersion disc; 41, inner rod; 42, first gear; 5, connecting frame; 6, top frame; 61, connecting rod; 62, connecting gear; 63, second gear; 64, driven gear ring; 65, driving motor. DETAILED DESCRIPTION

[0021] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides the following technical scheme: a lithium titanate slurry preparation device, including processing tank 1, the inner side wall of processing tank 1 is rotatably connected with dispersion box 2, the inner side wall of dispersion box 2 is rotatably provided with first dispersion disc 3 and second dispersion disc 4 respectively, the top of processing tank 1 is slidably connected with two connecting frames 5, one end of two connecting frames 5 is fixedly installed with top frame 6, the bottom end inner wall of top frame 6 is rotatably connected with the top outer side of dispersion box 2, the top of first dispersion disc 3 and second dispersion disc 4 is fixedly installed with outer tube 31 and inner rod 41 respectively, the inner side wall of outer tube 31 is rotatably connected with the outer side of inner rod 41, the top of outer tube 31 is fixedly connected with the bottom end of top frame 6, the top outer side of inner rod 41 is rotatably connected with the inner side wall of top frame 6.

[0023] When used, first, dispersion box 2 is rotated on top frame 6 for treating slurry, while first dispersion disc 3 in the dispersion box keeps from rotating between outer tube 31 and top frame 6, so that first dispersion disc 3 and dispersion box 2 are relatively and reversely rotated, and second dispersion disc 4 is rotated between inner rod 41 and top frame 6, so that second dispersion disc 4 keeps high-speed reverse rotation in the dispersion disc, so that the slurry in dispersion box 2 is in rolling annular flow when rotating, and strong vortex is generated; under the action of centrifugal force, the slurry is extruded from the mesh of dispersion box 2, first dispersion disc 3 and second dispersion disc 4 to form a turbulent flow area, the slurry and particles are subjected to strong shearing and impact, two beam flows are formed outside the area, the slurry is fully circulated and turned over, so that the dispersion effect is achieved, and the efficiency of the overall preparation device for treating slurry is improved.

[0024] Preferably, the inner side wall of top frame 6 is rotatably provided with connecting rod 61, both ends of connecting rod 61 are fixedly installed with connecting gear 62, the top outer side of dispersion box 2 is fixedly installed with driving gear ring 21, and driving gear ring 21 is engaged with connecting gear 62.

[0025] In use, when the dispersing box 2 needs to rotate, the connecting rod 61 rotates inside the top frame 6, and then the connecting gear 62 is driven to rotate the dispersing box 2 on the top frame 6 by the driving gear ring 21, so as to stir the slurry.

[0026] Preferably, the inner rod 41 is fixedly provided with a first gear 42 at the top end, the first gear 42 is engaged with a second gear 63, and the two ends of the second gear 63 are rotatably connected to the inner side wall of the top frame 6.

[0027] In use, when the second gear 63 rotates inside the top frame 6, the first gear 42 is driven to rotate at the same speed in the opposite direction, so that the second dispersing disc 4 is driven to rotate inside the dispersing box 2 by the inner rod 41.

[0028] Preferably, the top end of the top frame 6 is rotatably connected to a driven gear ring 64, the second gear 63 is engaged with the driven gear ring 64, and the outer side of the driven gear ring 64 is engaged with the connecting gear 62.

[0029] In use, when the connecting rod 61 rotates, the driven gear ring 64 at the top of the top frame 6 is driven to rotate at the same speed and in the same direction by the connecting gear 62 at the top end of the connecting rod 61, and then the second gear 63 is driven to rotate quickly by the driven gear ring 64 and the second gear 63, and then the inner rod 41 is driven to rotate at high speed.

[0030] Preferably, the top end of the top frame 6 is fixedly provided with a driving motor 65, and the output end of the driving motor 65 is fixedly connected to the top end of the connecting rod 61.

[0031] In use, the connecting rod 61 inside the top frame 6 can be quickly rotated by the driving of the driving motor 65.

[0032] Preferably, the outer side of the treatment tank 1 is fixedly provided with four supporting columns 11.

[0033] In use, the supporting columns 11 at the top of the treatment tank 1 support the treatment tank 1 and limit the connecting frame 5, so that the connecting frame 5 and the top frame 6 can take out or install the dispersing box 2 from the treatment tank 1.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A device for the preparation of a lithium titanate slurry comprising a treatment tank (1), characterized in that, The inner side wall of the processing tank (1) is rotationally connected with a dispersing box (2), the inner side wall of the dispersing box (2) is rotationally connected with a first dispersing disc (3) and a second dispersing disc (4) respectively, the top end of the processing tank (1) is slidingly connected with two connecting frames (5), one end of the two connecting frames (5) is fixedly installed with a top frame (6), the bottom end inner wall of the top frame (6) is rotationally connected with the top end outer side of the dispersing box (2), the top end of the first dispersing disc (3) and the second dispersing disc (4) is fixedly installed with an outer pipe (31) and an inner rod (41) respectively, the inner side wall of the outer pipe (31) is rotationally connected with the outer side of the inner rod (41), the top end of the outer pipe (31) is fixedly connected with the bottom end of the top frame (6), the top end outer side of the inner rod (41) is rotationally connected with the inner side wall of the top frame (6).

2. The device for preparing lithium titanate slurry according to claim 1, characterized by: The inner side wall of the top frame (6) is rotationally connected with a linkage rod (61), both ends of the linkage rod (61) are fixedly installed with linkage gears (62), the top end outer side of the dispersing box (2) is fixedly installed with a driving gear ring (21), the driving gear ring (21) is engaged with the linkage gears (62).

3. The device for preparing lithium titanate slurry according to claim 2, characterized by: The top end of the inner rod (41) is fixedly installed with a first gear (42), the first gear (42) is engaged with a second gear (63), both ends of the second gear (63) are rotationally connected with the inner side wall of the top frame (6).

4. The device for preparing lithium titanate slurry according to claim 3, characterized by: The top end inner wall of the top frame (6) is rotationally connected with a driven gear ring (64), the second gear (63) is engaged with the driven gear ring (64), the outer side of the driven gear ring (64) is engaged with the linkage gears (62).

5. The device for preparing lithium titanate slurry according to claim 2, characterized by: The top end of the top frame (6) is fixedly installed with a driving motor (65), the output end of the driving motor (65) is fixedly connected with the top end of the linkage rod (61).

6. The device for preparing lithium titanate slurry according to claim 1, characterized by: The outer side of the processing tank (1) is fixedly installed with four supporting columns (11).

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