CN214261483U

CN214261483U - Combined paddle stirring kettle

Info

Publication number: CN214261483U
Application number: CN202022347146.7U
Authority: CN
Inventors: 戴真全; 虞兰剑; 许晶; 赵福龙
Original assignee: Changzhou Blest Lithium Power Wisdom Factory Co ltd
Current assignee: Changzhou Blest Lithium Power Wisdom Factory Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-09-24
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a combined paddle stirring kettle, which comprises a tank body, a driving motor positioned at the top of the tank body, a rotating shaft connected with the driving motor and extending into the tank body, and an anchor type paddle and an oblique straight paddle connected on the rotating shaft; the tank body is also provided with a feed inlet, a discharge opening and an explosion-proof opening; the anchor type paddle is close to the bottom of the tank body is arranged, the cross-sectional shape of the anchor type paddle is the same as the shape of the bottom surface of the tank body, two oblique straight paddles are arranged and are sequentially arranged above the anchor type paddle. The utility model discloses well jar internal anchor formula paddle that is close to with the bottom and the straight paddle to one side that is located jar body middle part that is provided with, straight paddle to one side is used for stirring the material at jar body center, and the anchor formula paddle is used for mixxing the material that has the deposit trend, avoids the material to pile up in jar body bottom.

Description

Combined paddle stirring kettle

Technical Field

The utility model relates to a chemical machinery equipment technical field especially relates to a modular paddle stirred tank.

Background

With the rapid development of new energy industries, the requirements on the technical performance of lithium ion cathode materials are higher and higher. The high-nickel ternary lithium ion battery anode material has the advantages of high cycle stability, high reversible specific capacity, high energy density, high voltage platform, high tap density, stable electrochemistry, good low-temperature performance, suitability for all-weather air temperature, relatively low price and the like, and is one of the most popular materials in the current commercial anode material research.

However, the nickel content is high, which causes the problem of high alkalinity, and further causes the problems of poor safety and serious gas generation of the battery core of the ternary battery, the water washing is an effective method for reducing the residual alkali on the surface of the anode material, in addition, the anode material needs to be packaged and stored after being treated, the anode material after being coated is isolated from the outside, and the surface form is stable. The above washing and surface coating processes both use a stirring kettle to mix materials with water or a coating agent, and the pollution of the battery anode material is large and the battery anode material is in a powder structure, so the washing and surface coating effects are high, which requires the materials to be fully mixed with a medium, while the stirring kettle in the prior art is usually applied to mixing of granular or solid materials, and the paddle is single in form, so when the stirring kettle is used for mixing the battery anode material with water or the coating agent, the materials cannot be fully stirred easily, and part of the materials can be attached to the side wall or the bottom wall of the stirring kettle, so the materials are wasted and the mixing is insufficient, therefore, the stirring kettle capable of improving the mixing effect needs to be designed.

SUMMERY OF THE UTILITY MODEL

Paddle form in order to solve stirred tank among the prior art is single, and the powdery material can't fully be mixxed, causes the extravagant and insufficient technical problem of mixing of material, the utility model provides a modular paddle stirred tank solves above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is: a combined paddle stirring kettle comprises a tank body, a driving motor positioned at the top of the tank body, a rotating shaft connected with the driving motor and extending into the tank body, and an anchor type paddle and an inclined straight paddle which are connected to the rotating shaft; the tank body is also provided with a feed inlet, a discharge opening and an explosion-proof opening; the anchor type paddle is close to the bottom of the tank body is arranged, the cross-sectional shape of the anchor type paddle is the same as the shape of the bottom surface of the tank body, two oblique straight paddles are arranged and are sequentially arranged above the anchor type paddle.

Further, the bottom of the tank body is provided with an upward convex supporting seat, and the rotating shaft is rotatably connected to the supporting seat.

Furthermore, the anchor type blade comprises a horizontal rod connected with the rotating shaft, connecting rods positioned at two ends of the horizontal rod and an upper hook rod connected with the two connecting rods; the connecting rod extends along the side wall of the supporting seat, and the height of the upper end face of the upper hook rod is smaller than the height of the inclined straight paddle.

Preferably, the end face of the anchor type blade is of a cross-shaped structure.

Furthermore, a spoiler is further fixed on the inner side wall of the tank body and extends along the axial direction of the rotating shaft.

Further, the surface of the spoiler facing the center of the tank body is a wavy surface which is undulated and curved in the circumferential direction of the tank body.

Furthermore, the periphery of the tank body is further coated with a jacket, the jacket forms a heat preservation cavity between the tank bodies, and the jacket is provided with a water inlet and a water outlet which are communicated with the heat preservation cavity.

Preferably, the anchor blades and the two straight inclined blades are arranged in an axial array.

The utility model has the advantages that:

(1) modular paddle stirred tank, jar internal anchor formula paddle that is close to with the bottom and the straight paddle to one side that is located jar body middle part of being provided with, straight paddle to one side is used for stirring the material at jar body center, anchor formula paddle is used for mixxing the material that has the deposit trend, avoids the material to pile up in jar body bottom.

(2) Modular paddle stirred tank, the anchor paddle is by the center to the hook-shaped structure that extends all around, and forms sunkenly in the junction of connecting rod and last hook rod, makes anchor paddle laminating jar body bottom as far as possible on the one hand, on the other hand makes jar material on every side of body bottom stir more acutely through concave-convex structure's paddle, effectively avoids the powder to subside.

(3) Modular paddle stirred tank, the inside wall of the jar body still is provided with the spoiler for avoid the material to adhere to a jar internal side wall.

(4) Modular paddle stirred tank, the periphery cladding of the jar body has the heat preservation to press from both sides the cover for avoid jar internal portion high temperature.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a front view of an embodiment of a modular paddle stirred tank of the present invention;

fig. 2 is a sectional view taken along line a-a of fig. 1.

In the figure, the device comprises a tank body 1, a tank body 2, a driving motor 3, a rotating shaft 4, an anchor type paddle 401, a horizontal rod 402, a connecting rod 403, an upper hook rod 5, a straight paddle 6, a feeding hole 7, a discharging hole 8, an explosion-proof hole 9, a supporting seat 10, a discharging valve 11, a spoiler 12, a heat-preservation jacket 13, a heat-preservation cavity 14, a water inlet 15 and a water outlet.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Example 1:

as shown in fig. 1, a combined paddle stirring kettle comprises a tank body 1, a driving motor 2 positioned at the top of the tank body 1, a rotating shaft 3 connected with the driving motor 2 and extending into the tank body 1, and an anchor type paddle 4 and an inclined straight paddle 5 connected to the rotating shaft 3; the tank body 1 is also provided with a feed inlet 6, a discharge outlet 7 and an explosion-proof opening 8; the anchor type blades 4 are arranged close to the bottom of the tank body 1, the cross section of each anchor type blade 4 is the same as the bottom surface of the tank body 1 in shape, and two inclined straight blades 5 are arranged above the anchor type blades 4 in sequence.

As shown in fig. 1, the feed inlet 6 and the explosion-proof opening 8 are located at the top of the tank body 1, the discharge opening 7 is located at the bottom of the tank body 1, a discharge valve 10 is arranged at the discharge opening 7, the rotating shaft 3 is located at the central shaft of the tank body 1, the anchor type blade 4 and the oblique straight blade 5 are driven to rotate by the driving motor 2, the oblique straight blade 5 is in the prior art, namely, the blades extend along the transverse spiral, the anchor type blade 4 is the same as the bottom surface of the tank body 1 in shape, so that the distances between the anchor type blade 4 and the bottom surface of the tank body 1 are approximately equal, all materials deposited at the bottom of the tank body 1 can be stirred, the bottom material accumulation of the tank body 1 is effectively avoided, and the material waste is avoided.

The bottom of the tank body 1 is provided with a supporting seat 9 which is convex upwards, and the rotating shaft 3 is rotatably connected on the supporting seat 9. As shown in fig. 1, the discharge opening 7 is located right below the support seat 9, the support seat 9 is a frame-shaped structure, and the anchor blades 4 and the two straight blades 5 are arranged in an axial array. When the stirring is completed, the driving motor 2 is closed, the discharge valve 10 is opened, and the slurry can be discharged from the discharge opening 7 through the supporting base 9.

Specifically, the anchor blade 4 includes a horizontal bar 401 connected to the rotating shaft 3, connecting bars 402 located at both ends of the horizontal bar 401, and an upper hook bar 403 connecting the two connecting bars 402; the connecting rod 402 extends along the side wall of the supporting seat 9, and the height of the upper end face of the upper hook rod 403 is smaller than that of the straight blade 5. As shown in fig. 1, the connecting rod 402 is used for connecting the horizontal rod 401 and the upper hook rod 403, the anchor blade 4 forms a recess at the connecting position of the connecting rod 402 and the upper hook rod 403, and when the anchor blade 4 rotates, a vortex is formed in the bottom area of the tank body 1, so that the material turbulence degree is higher, and the material is prevented from settling due to the reduction of the material speed. The end face of the anchor blade 4 is preferably of cruciform configuration. One or more horizontal rods 401 may be provided for the anchor blade 4.

Example 2:

in addition to embodiment 1, a spoiler 11 is fixed to the inner side wall of the tank 1, and the spoiler 11 extends in the axial direction of the rotating shaft 3. As shown in fig. 1 and 2, the spoiler 11 is a vertical plate, the spoiler 11 is fixed to the inner sidewall of the tank body 1 by fixing screws, and a plurality of spoilers 11 may be arranged in an array along the inner sidewall of the tank body 1. When the material moves towards the inner side wall of the tank body 1, the material firstly collides with the spoiler 11, and the moving direction is changed under the action of the spoiler 11 to cause material turbulence, so that the material is prevented from being attached to the inner side wall of the tank body 1.

Preferably, the surface of the spoiler 11 facing the center of the can body 1 is a wavy surface which is undulated and curved in the circumferential direction of the can body 1. The turbulent flow plate 11 with the wavy surface ensures that the speed of the materials reaching different parts of the surface of the turbulent flow plate 11 is different, thereby improving the turbulent flow effect.

Example 3:

on the basis of embodiment 1 or embodiment 2, the outer periphery of the tank body 1 is further coated with a heat preservation jacket 12, the heat preservation jacket 12 forms a heat preservation cavity 13 between the tank bodies 1, and the heat preservation jacket 12 is provided with a water inlet 14 and a water outlet 15 which are communicated with the heat preservation cavity 13. The heat-insulating jacket 12 is made of heat-insulating materials. The water inlet 14 is preferably arranged below the tank 1 and the water outlet 15 is arranged above the tank 1. The cooling liquid is conveyed into the heat preservation cavity 13 through a conveying pump and finally discharged from a water outlet 15. The water inlet 14 is arranged below the lower tank body 1, so that the flow velocity of the cooling liquid in the heat preservation cavity 13 can be reduced, and the heat exchange time is prolonged.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "upper," "lower," "inner," "outer," "axial," and the like are used in the orientations and positional relationships indicated in the drawings, which are used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a modular paddle stirred tank which characterized in that: the tank comprises a tank body (1), a driving motor (2) positioned at the top of the tank body (1), a rotating shaft (3) connected with the driving motor (2) and extending into the tank body (1), and an anchor type blade (4) and an oblique straight blade (5) which are connected on the rotating shaft (3);

the tank body (1) is also provided with a feed inlet (6), a discharge outlet (7) and an explosion-proof opening (8);

the anchor type paddle (4) is close to the bottom of the tank body (1), the cross section of the anchor type paddle (4) is the same as the bottom surface of the tank body (1), two oblique straight paddles (5) are arranged and are sequentially arranged above the anchor type paddle (4).

2. The combined blade stirred tank of claim 1, wherein: the bottom of the tank body (1) is provided with an upward convex supporting seat (9), and the rotating shaft (3) is rotatably connected to the supporting seat (9).

3. The combined blade stirred tank of claim 2, wherein: the anchor type blade (4) comprises a horizontal rod (401) connected with the rotating shaft (3), connecting rods (402) positioned at two ends of the horizontal rod (401), and an upper hook rod (403) connected with the two connecting rods (402);

the connecting rod (402) extends along the side wall of the supporting seat (9), and the height of the upper end face of the upper hook rod (403) is smaller than the height of the inclined straight blade (5).

4. The combined blade stirred tank of claim 1, wherein: the end face of the anchor type blade (4) is of a cross structure.

5. The combined blade stirred tank of claim 1, wherein: a spoiler (11) is further fixed on the inner side wall of the tank body (1), and the spoiler (11) extends along the axial direction of the rotating shaft (3).

6. The combined blade stirred tank of claim 5, wherein: the surface of the spoiler (11) facing the center of the tank body (1) is a wavy surface which is undulated and bent along the circumferential direction of the tank body (1).

7. The combined blade stirred tank of claim 1, wherein: the tank is characterized in that the periphery of the tank body (1) is further coated with a heat-insulating jacket (12), the heat-insulating jacket (12) forms a heat-insulating cavity (13) between the tank body (1), and the heat-insulating jacket (12) is provided with a water inlet (14) and a water outlet (15) which are communicated with the heat-insulating cavity (13).

8. The combined blade stirred tank of claim 1, wherein: the anchor type blades (4) and the two inclined straight blades (5) are arranged in an axial array.