CN217042211U - High-speed dispersion agitated vessel of lithium cell thick liquids - Google Patents

Abstract

The utility model discloses a high-speed dispersing and stirring equipment for lithium battery slurry, which comprises a stirring box and a stirring device arranged in the stirring box. The utility model is characterized in that: the stirring device comprises a first stirring mechanism and a plurality of second stirring mechanisms. The first stirring mechanism is located on the inner upper part of the stirring box, the plane formed when the first stirring mechanism rotates and stirs is parallel to the horizontal plane, the second stirring mechanism is evenly distributed on the inner lower part of the stirring box, and the second stirring mechanism is evenly distributed. The plane formed when the stirring mechanism rotates and stirs is 20-45° from the horizontal plane; the first stirring mechanism and the second stirring mechanism are communicated with each other through the circulation pipe; After the slurry is extracted, it is pumped into the upper part of the mixing box through the circulation pipe, and is stirred and mixed by the first vertical stirring mechanism above. The above process is cycled to realize the circulating stirring of the slurry.

Description

A high-speed dispersing and stirring equipment for lithium battery slurry

technical field

The utility model relates to the field of lithium battery production equipment, in particular to a high-speed dispersion stirring device for lithium battery slurry.

Background technique

The positive electrode slurry of lithium battery is mainly composed of active material, conductive agent, lithium salt and binder. Due to the density difference between the active material and the conductive agent, the problem of sedimentation and stratification is often accompanied during the stirring process, especially in batches. In industrial production, this problem is especially obvious, so a stirring device that can adjust the uniformity of the bottom and top slurry is required.

SUMMARY OF THE INVENTION

Aiming at the deficiencies in the prior art, the utility model provides a high-speed dispersing and stirring equipment for lithium battery slurry.

To achieve the above object, the present invention adopts the following technical solutions:

A high-speed dispersing and stirring equipment for lithium battery slurry includes a stirring box and a stirring device arranged in the stirring box, the stirring device includes a first stirring mechanism and a plurality of second stirring mechanisms, and the first stirring mechanism is located in the stirring box. In the upper part of the inner side, the plane formed when the first stirring mechanism rotates and stirs is parallel to the horizontal plane, the second stirring mechanism is evenly distributed on the inner lower part of the stirring box, and the plane formed when the second stirring mechanism rotates and stirs 20-45° to the horizontal plane;

The first stirring mechanism and the second stirring mechanism are communicated with each other through a circulation pipe.

Further, the first stirring mechanism includes a first stirring shaft and a plurality of first stirring paddles, the first stirring shaft and the first stirring paddle are both hollow structures, and the first stirring shaft and the first stirring paddle are both hollow. There are through holes, the first stirring paddles are evenly distributed on the outer circumference of the first stirring shaft, the top of the first stirring shaft protrudes to the outside of the stirring box, and the first stirring shaft is rotatably connected with the stirring box; The first stirring shaft forms an included angle of 90° with the horizontal plane.

Further, a first motor is fixedly connected to the top of the stirring box, meshing teeth are integrally formed on the outer periphery of the first stirring shaft after extending out of the stirring box, and the power output end of the first motor is connected to the first stirring box through the meshing teeth. The shafts are engaged.

Further, the second stirring mechanism includes a second stirring shaft and several second stirring paddles, the second stirring shaft and the second stirring paddle are both hollow structures, and the second stirring shaft and the second stirring paddle are both hollow. There are through holes, the second stirring paddles are evenly distributed on the outer circumference of the second stirring shaft, the bottom of the second stirring shaft extends to the outside of the stirring box, and the second stirring shaft is rotatably connected with the stirring box, so The second stirring shaft forms an included angle of 20-45° with the horizontal plane.

Further, a second motor is fixedly connected to the lower part of the stirring box, meshing teeth are integrally formed on the outer periphery after the second stirring shaft extends out of the stirring box, and the power output end of the second motor is connected to the second stirring box through the meshing teeth. The shafts are engaged.

Further, the inlet of the first stirring shaft is rotatably connected with the outlet of the circulation pipe through a rotary joint; the outlet of the second stirring shaft is rotatably connected with the inlet of the circulation pipe through a rotary joint.

Further, a circulating pump is fixedly connected to the circulating pipe.

Further, a box cover is fixedly connected to the bottom of the stirring box, and a feeding pipe is fixedly connected to the box cover. A discharge pipe is fixedly connected to the bottom center of the mixing box.

Adopting the above-mentioned technical scheme, the beneficial effects of the present utility model:

The lithium battery slurry dispersing and stirring device of the present invention includes an obliquely inserted stirring paddle located on the bottom side of the kettle body, and the obliquely inserted stirring paddle can make the slurry in mixing produce an oblique upward flow pattern, And then it is stirred by the vertical stirring paddle; and the utility model sets the circulating pipeline and the hollow stirring mechanism to draw out the slurry at the bottom and then pump it into the upper part of the stirring box through the circulating pipe, and is stirred and mixed by the vertical first stirring mechanism above. , the above process is cycled, so as to realize the circulating stirring of the slurry.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

Detailed ways

In order to make the technical means, creation features, achievement goals and effects realized by the present utility model easy to understand, the present utility model will be further elaborated below in conjunction with the specific embodiments:

Accordingly, the following detailed descriptions of the embodiments of the invention provided in the accompanying drawings are not intended to limit the scope of the invention as claimed, but are merely representative of selected embodiments of the invention, based on the All other embodiments obtained by those of ordinary skill in the art without creative work, all belong to the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

The terms "first", "second", "third", etc. are only used to differentiate the description and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection , it can also be detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two components. For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood in specific situations.

Combined with Figure 1:

A high-speed dispersing and stirring equipment for lithium battery slurry, comprising a stirring box 1 and a stirring device arranged in the stirring box 1, the stirring device includes a first stirring mechanism and a plurality of second stirring mechanisms, and the first stirring mechanism is located in the stirring box. In the upper part of the inner side of the box 1, the plane and the horizontal plane formed when the first stirring mechanism rotates and stirs are parallel to each other, and the second stirring mechanism is evenly distributed on the inner lower part of the stirring box 1. The formed plane is 20-45° from the horizontal plane;

The first stirring mechanism and the second stirring mechanism communicate with each other through the circulation pipe 41 .

In this embodiment, the first stirring mechanism includes a first stirring shaft 21 and a plurality of first stirring paddles 22, the first stirring shaft 21 and the first stirring paddles 22 are both hollow structures, and the first stirring shaft 21 The first stirring paddle 22 and the first stirring paddle 22 are both provided with through holes, the first stirring paddle 22 is evenly distributed on the outer circumference of the first stirring shaft 21, and the top of the first stirring shaft 21 extends to the outside of the stirring box 1, so The first stirring shaft 21 is rotatably connected with the stirring box 1; the first stirring shaft 21 forms an included angle of 90° with the horizontal plane.

In this embodiment, a first motor 23 is fixedly connected to the top of the stirring box 1 , and meshing teeth are integrally formed on the outer periphery of the first stirring shaft 21 after extending out of the stirring box 1 . The power output end of the first motor 23 It meshes with the first stirring shaft 21 through meshing teeth.

In this embodiment, the second stirring mechanism includes a second stirring shaft 31 and a plurality of second stirring paddles 32, the second stirring shaft 31 and the second stirring paddles 32 are both hollow structures, and the second stirring shaft 31 Through holes are provided on both the second stirring paddle 32 and the second stirring paddle 32, the second stirring paddle 32 is evenly distributed on the outer periphery of the second stirring shaft 31, and the bottom of the second stirring shaft 31 extends to the outside of the stirring box 1, so The second stirring shaft 31 is rotatably connected to the stirring box 1 , and the second stirring shaft 31 forms an included angle of 20-45° with the horizontal plane.

In this embodiment, a second motor 33 is fixedly connected to the lower part of the stirring box 1 , and meshing teeth are integrally formed on the outer periphery of the second stirring shaft 31 after extending out of the stirring box 1 . The power output end of the second motor 33 The second stirring shaft 31 is meshed with the meshing teeth.

In this embodiment, the inlet of the first stirring shaft 31 and the outlet of the circulation pipe 41 are rotatably connected through the rotary joint 5; the outlet of the second stirring shaft 31 is rotatably connected with the inlet of the circulation pipe 41 through the rotary joint 5.

In this embodiment, a circulating pump 42 is fixedly connected to the circulating pipe 41 .

In this embodiment, a box cover 11 is fixedly connected to the bottom of the stirring box 1 , a feeding pipe 12 is fixedly connected to the box cover 11 , the bottom of the stirring box 1 is conical, and the second stirring shaft 31 is connected to the The sectional surfaces of the cones are perpendicular to each other, and a discharge pipe 13 is fixedly connected to the bottom center of the mixing box 1 .

The above embodiments do not limit the shape, material, structure, etc. of the present invention in any form, and any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention belong to the technology of the present invention. The scope of protection of the program.

Claims (8)

1. The utility model provides a high-speed dispersion agitated vessel of lithium cell thick liquids, includes agitator tank and the agitating unit of setting in the agitator tank, its characterized in that: the stirring device comprises a first stirring mechanism and a plurality of second stirring mechanisms, wherein the first stirring mechanism is positioned at the upper part of the inner side of the stirring box, a plane formed by the first stirring mechanism during rotation and stirring is parallel to the horizontal plane, the second stirring mechanisms are uniformly distributed at the lower part of the inner side of the stirring box, and the plane formed by the second stirring mechanism during rotation and stirring forms an angle of 20-45 degrees with the horizontal plane;

the first stirring mechanism and the second stirring mechanism are communicated with each other through a circulating pipe.

2. The high-speed dispersion stirring device for lithium battery slurry as claimed in claim 1, wherein: the first stirring mechanism comprises a first stirring shaft and a plurality of first stirring paddles, the first stirring shaft and the first stirring paddles are of a hollow structure, through holes are formed in the first stirring shaft and the first stirring paddles, the first stirring paddles are uniformly distributed on the periphery of the first stirring shaft, the top of the first stirring shaft extends out of the stirring box, and the first stirring shaft is rotationally connected with the stirring box; the first stirring shaft and the horizontal plane form an included angle of 90 degrees.

3. The high-speed dispersion stirring device for lithium battery slurry as claimed in claim 2, wherein: the stirring box is characterized in that a first motor is fixedly connected to the top of the stirring box, meshing teeth are integrally formed on the periphery of the first stirring shaft after the first stirring shaft extends out of the stirring box, and the power output end of the first motor is meshed with the first stirring shaft through the meshing teeth.

4. The high-speed dispersion stirring device for lithium battery slurry as claimed in claim 2, wherein: the second stirring mechanism comprises a second stirring shaft and a plurality of second stirring paddles, wherein the second stirring shaft and the second stirring paddles are of a hollow structure, through holes are formed in the second stirring shaft and the second stirring paddles, the second stirring paddles are uniformly distributed on the periphery of the second stirring shaft, the bottom of the second stirring shaft extends out of the stirring box, the second stirring shaft is rotatably connected with the stirring box, and the second stirring shaft and the horizontal plane form a 20-45-degree included angle.

5. The high-speed dispersion stirring device for lithium battery slurry as claimed in claim 4, wherein: the stirring box lower part fixedly connected with second motor, the second (mixing) shaft stretches out behind the stirring box on the periphery integrated into one piece have the meshing tooth, the power take off end of second motor passes through the meshing tooth and meshes with the second (mixing) shaft.

6. The high-speed dispersion stirring device for lithium battery slurry as claimed in claim 5, wherein: the inlet of the first stirring shaft is rotationally connected with the outlet of the circulating pipe through a rotary joint; the outlet of the second stirring shaft is rotatably connected with the inlet of the circulating pipe through a rotary joint.

7. The high-speed dispersion stirring device for lithium battery slurry as claimed in claim 6, wherein: the circulating pump is fixedly connected to the circulating pipe.

8. The high-speed dispersion stirring device for lithium battery slurry as claimed in claim 4, wherein: the stirring box comprises a stirring box body, a box cover, a feeding pipe, a second stirring shaft and a discharging pipe, wherein the box cover is fixedly connected to the bottom of the stirring box body, the feeding pipe is fixedly connected to the box cover, the bottom of the stirring box body is conical, the second stirring shaft is perpendicular to the tangent plane of the cone, and the discharging pipe is fixedly connected to the center of the bottom of the stirring box body.

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