CN114797563B

CN114797563B - Nickel cobalt lithium manganate ternary battery material electrode slurry processing apparatus for producing

Info

Publication number: CN114797563B
Application number: CN202210407474.2A
Authority: CN
Inventors: 李苍昊; 秦牧岚
Original assignee: Lanzhou Institute of Technology
Current assignee: Lanzhou Institute of Technology
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2023-06-09
Anticipated expiration: 2042-04-19
Also published as: CN114797563A

Abstract

The invention discloses a device for processing and producing electrode slurry of a nickel cobalt lithium manganate ternary battery material, which structurally comprises the following components: stirring barrel, the discharging pipe, the control lever, the drive box, a motor, control panel, stirring barrel lateral wall bottom is equipped with the discharging pipe, discharging pipe inner chamber and control lever valve board swing joint, the top at the drive box is installed perpendicularly to the stirring barrel, and be connected with motor machinery through the drive box, the motor passes through the wire and is connected with control panel internal control ware electricity, the inside pipe of drive box is connected with the terminal of control lever, underflow arm and crushed aggregates dish still have the backward flow oar to take the material body of bottom up multilayer circulation stirring respectively, and turn over the material through the protruding edge of heat dissipation at top, stirring efficiency is better, the return ring and cut apart the cage and cooperate, the pan feeding groove through the return ring will "dead zone" material is pulled back and cut apart the top check strip and the bottom check strip of cage and broken, make the material mix more evenly quick.

Description

Nickel cobalt lithium manganate ternary battery material electrode slurry processing apparatus for producing

Technical Field

The invention relates to a device for processing and producing electrode slurry of a nickel cobalt lithium manganate ternary battery material, and belongs to the field of battery production equipment.

Background

The ternary polymer lithium battery is a lithium battery with a ternary positive electrode material of nickel cobalt lithium manganate or nickel cobalt lithium aluminate, and the ternary composite positive electrode material is prepared from nickel salt, cobalt salt and manganese salt. The electrode of the lithium ion battery is manufactured, and the positive electrode slurry consists of an adhesive, a conductive agent, a positive electrode material (ternary material) and the like.

The prior art has the following defects: in the process of stirring raw materials, a layer of slurry always stagnates in a region far away from the end part of the impeller, so that the stirring cannot be uniform, and the quality of the mixed electrode materials is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a processing and production device for electrode slurry of a nickel cobalt lithium manganate ternary battery material, which aims to solve the problem that a layer of slurry always stagnates in a region far away from the end part of an impeller in the prior process of stirring raw materials, so that the quality of the mixed electrode material cannot be influenced due to uniform stirring.

In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides a nickel cobalt lithium manganate ternary battery material electrode thick liquids processing apparatus for producing, its structure includes: the stirring device comprises a stirring barrel, a discharging pipe, a control rod, a driving box, a motor and a control panel, wherein the discharging pipe is arranged at the bottom of the side wall of the stirring barrel, an inner cavity of the discharging pipe is movably connected with a valve plate of the control rod, the stirring barrel is vertically arranged at the top of the driving box and is mechanically connected with the motor through the driving box, the motor is electrically connected with an internal controller of the control panel through a wire, and an internal guide pipe of the driving box is connected with a terminal of the control rod;

the stirring barrel comprises a barrel body, a top cover, a heat dissipation convex edge, a support, a sealing sleeve ring and a stirring shaft, wherein the heat dissipation convex edge is arranged in the middle of the inner wall of the barrel body, the top opening of the barrel body is movably connected with the top cover, the sealing sleeve ring is arranged at the center of the bottom of the barrel body, the inner wall of the sealing sleeve ring is movably connected with the stirring shaft, the stirring shaft is arranged in the middle of the inner wall of the barrel body, the support is fixedly welded between the barrel body and a driving box, and the bottom of the stirring shaft is mechanically connected with the driving box.

Preferably, the stirring shaft comprises a reflux paddle, a crushing disc, a central rod, an underflow arm and a connecting shaft sleeve, wherein the reflux paddle is arranged at the top of the crushing disc and is connected with the crushing disc through the central rod in the middle, the central rod penetrates through the center of the underflow arm and is connected with the connecting shaft sleeve at the bottom, and the connecting shaft sleeve is connected with a driving rod of a driving box at the bottom.

Preferably, the crushing plate comprises a feed back ring and a division cage, wherein the feed back ring is fixed on the outer edge of the division cage, and the division cage is connected with the central rod.

Preferably, the feed back ring comprises a ring body, a feed trough, a guide end, a limiting protruding edge and a joint seat, wherein more than two feed troughs are formed in the surface of the ring body, the guide end is arranged on the side wall of the feed trough, the thickness of a port of the guide end is smaller than that of the connection with the ring body, the limiting protruding edge is welded and fixed on the outer surface of the ring body, and the joint seat is arranged on the inner surface of the ring body and fixedly connected with the segmentation cage.

Preferably, the division cage comprises crushed aggregates corner blocks, top grid bars, bottom grid bars, a reinforcement outer ring and a second lantern ring, wherein the crushed aggregates corner blocks are distributed in an upper groove body and a lower groove body of the top grid bars, the top grid bars are fixed at the top of the bottom grid bars and are parallel to each other, the top grid bars and the bottom grid bars are distributed at the outer edge of the reinforcement outer ring at equal intervals, and the reinforcement outer ring is connected with the center rod through the second lantern ring through welding.

Preferably, the backflow oar comprises an inner pipe, a third lantern ring, a backflow arm, a pump air valve and a guide surface, the guide surface is arranged at the edge of the backflow arm, the inner pipe is fixed at the bottom of the third lantern ring, the inner cavity is communicated with the inner cavity of the backflow arm, the pump air valve is arranged on the inclined surface at the bottom of the backflow arm, and the third lantern ring is nested at the top of the center rod.

Preferably, the top grid strips and the bottom grid strips are arranged in a staggered mode, the included angle between the top grid strips and the bottom grid strips is 60 degrees, materials are prevented from being mixed easily in the high-speed rotation process in a mutually staggered mode, and the upper area and the lower area can be matched in a bidirectional mode, so that the stirring efficiency is improved.

Preferably, the air outlet valve plate of the air pump valve moves unidirectionally, material backflow is avoided, the internal temperature is reduced, powder can be blown open to reduce buffering, and the crushing effect on the structure is better.

Preferably, the top lattice bars and the bottom lattice bars are made of metal, and the edges of the top lattice bars and the bottom lattice bars are provided with chamfers, so that the aggregated materials can be smashed in the rotating process to be fully dispersed and mixed.

Advantageous effects

Compared with the prior art, the invention has the beneficial effects that: the bottom material body is respectively brought up by the bottom flow arm and the crushed aggregates disc and is circularly stirred in multiple layers by the reflux paddles, the stirring efficiency is better by turning the bottom material body through the heat dissipation convex edge of the top, meanwhile, the material in the dead zone is pulled back by the feeding trough of the return ring and is crushed by the top grid strip and the bottom grid strip of the cutting cage through the cooperation of the return ring and the cutting cage, and the material is more uniformly and rapidly mixed.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is a schematic view of the appearance structure of a device for processing and producing electrode slurry of a nickel cobalt lithium manganate ternary battery material.

Fig. 2 is a schematic structural view of the stirring barrel of the present invention.

FIG. 3 is a schematic view showing the internal structure of the stirring shaft according to the present invention.

Fig. 4 is a schematic structural view of the reflux paddle of the present invention.

Fig. 5 is a schematic top view of the particle tray of the present invention.

FIG. 6 is a schematic structural view of the feed back ring of the present invention.

FIG. 7 is a schematic view of the structure of the split cage of the present invention.

In the figure: the stirring barrel comprises a stirring barrel-1, a discharging pipe-9, a control rod-3, a driving box-n, a motor-5, a control panel-6, a barrel body-a, a top cover-b, a heat dissipation flange-c, a support-d 11, a sealing sleeve ring-h 5, a stirring shaft-f, a reflux paddle-f 11, a crushing disc-f 2, a central rod-f 3, an underflow arm-55, a connecting sleeve-f 5, a feed back ring-201, a dividing cage-202, an inner pipe-501, a third sleeve ring-102, a reflux arm-103, a pump valve-c 4, a guide surface-81, a ring body-2011, a feeding groove-2012, a guide end-20 f, a limiting flange-20 e, a joint seat-2015, a crushing corner block-2031, a top lattice bar-2032, a bottom lattice bar-2033, a reinforcing outer ring-20 q and a second sleeve ring-2035.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

First embodiment:

referring to fig. 1 to 4, the present invention provides a technical scheme of a device for processing and producing electrode slurry of a nickel cobalt lithium manganate ternary battery material, which comprises: the structure comprises: the stirring barrel comprises a stirring barrel 1, a discharging pipe 9, a control rod 3, a driving box n, a motor 5 and a control panel 6, wherein the discharging pipe 9 is arranged at the bottom of the side wall of the stirring barrel 1, an inner cavity of the discharging pipe 9 is movably connected with a valve plate of the control rod 3, the stirring barrel 1 is vertically arranged at the top of the driving box n and is mechanically connected with the motor 5 through the driving box n, the motor 5 is electrically connected with an internal controller of the control panel 6 through a wire, an internal conduit of the driving box n is connected with a terminal of the control rod 3, the stirring barrel 1 comprises a barrel body a, a top cover b, a heat dissipation convex edge c, a support d11, a sealing sleeve ring h5 and a stirring shaft f, a heat dissipation convex edge c is arranged in the middle of the inner wall of the barrel body a, an opening of the top of the barrel body a is movably connected with the top cover b, the sealing sleeve ring h5 is movably connected with the stirring shaft f, the stirring shaft f is arranged in the middle of the inner wall of the barrel body a, and the support d11 is fixedly welded between the barrel body a and the driving box n and the bottom of the stirring shaft f is mechanically connected with the driving shaft f.

The stirring shaft f comprises a reflux paddle f11, a crushing disc f2, a central rod f3, an underflow arm 55 and a connecting shaft sleeve f5, wherein the reflux paddle f11 is arranged at the top of the crushing disc f2 and is connected with the crushing disc through the central rod f3 in the middle, the central rod f3 penetrates through the center of the underflow arm 55 and is connected with the connecting shaft sleeve f5 at the bottom, the connecting shaft sleeve f5 is connected with a driving rod of a driving box n at the bottom,

the invention is mainly characterized in that: the user can take up multilayer circulation stirring with the material body of bottom through being equipped with underflow arm 55 and crushed aggregates dish f2 and return paddle f11 respectively to through the protruding edge c of heat dissipation at top stirring, stirring efficiency is better.

Second embodiment:

referring to fig. 5-7, the invention provides a technical scheme of a device for processing and producing electrode slurry of a nickel cobalt lithium manganate ternary battery material, which comprises the following steps: the structure comprises: the crushing disc f2 comprises a material returning ring 201 and a cutting cage 202, the material returning ring 201 is fixed on the outer edge of the cutting cage 202, the cutting cage 202 is connected with a center rod f3, the backflow paddle f11 comprises an inner tube 501, a third lantern ring 102, a backflow arm 103, a pump air valve c4 and a guide surface 81, the edge of the backflow arm 103 is provided with the guide surface 81, the inner tube 501 is fixed at the bottom of the third lantern ring 102, an inner cavity is communicated with the inner cavity of the backflow arm 103, a pump air valve c4 is arranged on the inclined surface of the bottom of the backflow arm 103, the third lantern ring 102 is nested at the top of the center rod f3, an air outlet valve plate of the pump air valve c4 moves unidirectionally, material backflow is avoided, the internal temperature is reduced, powder blowing can be reduced, buffering is reduced, and crushing effect on a structure is better.

The feed back ring 201 includes ring 2011, pan feeding groove 2012, guide end 2013, spacing protruding edge 20e, joint 2015, the pan feeding groove 2012 of more than two has been seted up on ring 2011 surface, guide end 2013 locates the lateral wall of pan feeding groove 2012, and guide end 2013 port thickness is less than the thickness of being connected with ring 2011, spacing protruding edge 20e welded fastening is at the surface of ring 2011, joint 2015 installs the internal surface at ring 2011, and with cut apart cage 202 fixed connection.

The division cage 203 comprises crushed aggregates angle blocks 2031, top grid bars 2032, bottom grid bars 2033, a reinforcement outer ring 20q and a second lantern ring 2035, wherein the crushed aggregates angle blocks 2031 are distributed in upper and lower grooves of the top grid bars 2032, the top grid bars 2032 are fixed on the tops of the bottom grid bars 2033 and are parallel to each other, the top grid bars 2032 and the bottom grid bars 2033 are equidistantly distributed on the outer edges of the reinforcement outer ring 20q and are fixed through welding, the reinforcement outer ring 20q is connected with a center rod f3 through the second lantern ring 2035, the top grid bars 2032 and the bottom grid bars 2033 are placed in a staggered mode, materials are not easy to mix in the process of high-speed rotation in a staggered mode, the upper and lower areas can be matched in a two-way, stirring efficiency is improved, the top grid bars 2032 and the bottom grid bars 2033 are made of metal materials, the edges are provided with chamfers, and the aggregated materials can be smashed in the rotating process to enable the aggregated materials to be fully mixed.

The invention is mainly characterized in that: the user can cooperate through being equipped with feed back ring 201 and splitting cage 202, draws back the material of "dead zone" through the pan 2012 of feed back ring 201 and breaks through the top lattice bar 2032 and the bottom lattice bar 2033 of splitting cage 202 for the material mixes more evenly fast.

The invention combines the above components, when the device is used: opening top cap b with agitator 1, put into the back reclosing top cap b with the material, open the power of motor 5 at control panel 6, motor 5 drives the drive case n rotation of bottom, make the inside (mixing) shaft f of staving a begin to handle the material, first the bottom flow arm 55 of (mixing) shaft f bottom carries out rotatory transport with the material of sunk in the middle part upwards, the cage 202 is cut apart through crushed aggregates dish f2 to some material, striking between top lattice bar 2032 and bottom lattice bar 2033 of cutting apart cage 202, striking back constantly mixes, the crushed aggregates angle piece 2031 of top lattice bar 2032 can further cut the material simultaneously, with the material of partial agglomeration undamaged, make it fully scatter, and partial material can fall into "dead zone in", this part is in the rotatory in-process of return ring 201 through the pan 2012 of ring 2011 side and the participation stirring of material end 2013 cooperation rotation back middle part cut apart cage 202, the material after the crushed aggregates dish f2 handles can upwards through the reflow arm 103 at the top, and flip through protruding surface along c after the back 103, and in the reflow arm 103, and the blast air valve can be more evenly carried out the blast down to the material, can avoid the multiple blast air valve to the material to the high-speed to mix, can be avoided the material to the high-speed to the material of the blast down, the material of the blast pump, the material can be more evenly mixed, the high to the material can be avoided the high to the blast down, the material to the material can be mixed the high to the high-speed the blast down through the material, the material can be dispersed through the blast down the air-down through the air-down resistance valve, and the material can be mixed.

While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a nickel cobalt lithium manganate ternary battery material electrode thick liquids processing apparatus for producing, its structure includes: stirring barrel (1), discharging pipe (9), control lever (3), drive box (n), motor (5), control panel (6), stirring barrel (1) lateral wall bottom is equipped with discharging pipe (9), its characterized in that:

the inner cavity of the discharging pipe (9) is movably connected with a valve plate of the control rod (3), the stirring barrel (1) is vertically arranged at the top of the driving box (n) and is mechanically connected with the motor (5) through the driving box (n), the motor (5) is electrically connected with an internal controller of the control panel (6) through a wire, and an internal conduit of the driving box (n) is connected with a terminal of the control rod (3);

the stirring barrel (1) comprises a barrel body (a), a top cover (b), a heat dissipation convex edge (c), a support (d 11), a sealing sleeve ring (h 5) and a stirring shaft (f), wherein the heat dissipation convex edge (c) is arranged in the middle of the inner wall of the barrel body (a), an opening at the top of the barrel body (a) is movably connected with the top cover (b), the sealing sleeve ring (h 5) is arranged at the center of the bottom of the barrel body (a), the inner wall of the sealing sleeve ring (h 5) is movably connected with the stirring shaft (f), the stirring shaft (f) is arranged in the middle of the inner wall of the barrel body (a), the support (d 11) is fixedly welded between the barrel body (a) and the driving box (n), and the bottom of the stirring shaft (f) is mechanically connected with the driving box (n);

the stirring shaft (f) comprises a reflux paddle (f 11), a crushing disc (f 2), a central rod (f 3), an underflow arm (55) and a connecting shaft sleeve (f 5), wherein the reflux paddle (f 11) is arranged at the top of the crushing disc (f 2) and is connected with the crushing disc through the central rod (f 3) in the middle, the central rod (f 3) penetrates through the center of the underflow arm (55) and is connected with the connecting shaft sleeve (f 5) at the bottom, and the connecting shaft sleeve (f 5) is connected with a driving rod of a driving box (n) at the bottom;

the crushing disc (f 2) comprises a feed back ring (201) and a division cage (202), wherein the feed back ring (201) is fixed on the outer edge of the division cage (202), and the division cage (202) is connected with a central rod (f 3);

the feed back ring (201) comprises a ring body (2011), a feed trough (2012), a guide end (2013), a limiting protruding edge (20 e) and a joint seat (2015), wherein more than two feed troughs (2012) are formed in the surface of the ring body (2011), the guide end (2013) is arranged on the side wall of the feed trough (2012), the thickness of a port of the guide end (2013) is smaller than that of the connection with the ring body (2011), the limiting protruding edge (20 e) is welded and fixed on the outer surface of the ring body (2011), and the joint seat (2015) is arranged on the inner surface of the ring body (2011) and is fixedly connected with the segmentation cage (202);

the cutting cage (202) comprises crushed aggregates angle blocks (2031), top grid bars (2032), bottom grid bars (2033), a reinforcing outer ring (20 q) and a second sleeve ring (2035), wherein the crushed aggregates angle blocks (2031) are distributed in upper and lower grooves of the top grid bars (2032), the top grid bars (2032) are fixed at the tops of the bottom grid bars (2033) and are parallel to each other, the top grid bars (2032) and the bottom grid bars (2033) are equidistantly distributed on the outer edge of the reinforcing outer ring (20 q), and the reinforcing outer ring (20 q) is connected with a center rod (f 3) through the second sleeve ring (2035) through welding;

the backflow paddle (f 11) comprises an inner pipe (501), a third lantern ring (102), a backflow arm (103), a pump air valve (c 4) and a guide surface (81), wherein the guide surface (81) is arranged at the edge of the backflow arm (103), the inner pipe (501) is fixed at the bottom of the third lantern ring (102), an inner cavity is communicated with the inner cavity of the backflow arm (103), the pump air valve (c 4) is arranged on the inclined surface at the bottom of the backflow arm (103), and the third lantern ring (102) is nested at the top of the central rod (f 3);

the top lattice bars (2032) and the bottom lattice bars (2033) are arranged in a staggered manner, and the included angle between the top lattice bars and the bottom lattice bars is 60 degrees;

the air outlet valve plate of the pump air valve (c 4) moves unidirectionally;

opening a top cover (b) of a stirring barrel (1), placing materials into the stirring barrel, then re-closing the top cover (b), opening a power supply of a motor (5) on a control panel (6), enabling a driving box (n) at the bottom to rotate by the motor (5), enabling a stirring shaft (f) in the barrel body (a) to start to process the materials, firstly, enabling an underflow arm (55) at the bottom of the stirring shaft (f) to carry out upward rotary conveying on the materials at the bottom, a part of the materials pass through a dividing cage (202) of a particle tray (f 2), collide between a top grid (2032) and a bottom grid (2033) of the dividing cage (202), continuously mix after collision, simultaneously, further cutting the materials by a particle corner block (2031) of the top grid (2032), re-breaking the materials, enabling the materials to be fully dispersed, enabling the materials to fall into a dead zone, enabling the materials to pass through an inlet (2011) at the side edge of a ring body (2011) and a guide end (2013) to be matched with a rotary middle cage (202) in the rotary process, blowing the materials into a reflux arm (103) to take part of the materials, and then, after the materials are blown out of the reflux arm (103) to flow (103) in the process of the air flow (c) through the upper part of the impeller (103) through the air valve (c) after the impeller (103) is blown out, the air valve (103) in the process of the reflux is rotated, and radiating the heat of the material.