CN215901325U

CN215901325U - Stirring device

Info

Publication number: CN215901325U
Application number: CN202122205446.6U
Authority: CN
Inventors: 岳敏; 王红耀; 刘俊; 黄绵彬; 吴平
Original assignee: Zhejiang Yanyi New Energy Technology Co ltd
Current assignee: Zhejiang Yanyi New Energy Technology Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-02-25
Anticipated expiration: 2031-09-13

Abstract

The utility model relates to the technical field of stirring equipment, and discloses a stirring device. The stirring device meets the stirring requirement of the stirring device on low-viscosity polymers by arranging a plurality of groups of paddle type stirring paddles on the stirring shaft at intervals along the length direction. The stirring device can be used for stirring high-viscosity polymers and low-viscosity polymers, and the stirring device does not need to be replaced during the conversion between high-viscosity system products and low-viscosity system products, so that the production efficiency can be effectively improved. Simultaneously the frame stirring rake of this agitating unit bottom can enlarge the stirring range, takes away residue or the liquid layer that adsorbs on the reation kettle inner wall, and multiunit paddle formula stirring rake can realize the stirring to not co-altitude department polymer, makes the polymer can realize horizontal hoop and flows, can realize axial motion again, and the intensive cycle mixes, improves polymer stirring speed.

Description

Stirring device

Technical Field

The utility model relates to the technical field of stirring equipment, in particular to a stirring device.

Background

At present, there are known in the market paddle type stirrers, turbine type stirrers, anchor type stirrers, frame type stirrers, and the like. The paddle stirrer is suitable for stirring low-viscosity liquid, such as suspension liquid and dissolved liquid. The anchor stirrer is a slow stirrer, is commonly used in the processes of mixing of medium and high viscosity liquid, heat transfer reaction and the like, and is suitable for stirring of fluid with the viscosity of less than 100Pa & s. When the viscosity of the fluid is 10-100 Pa.s, a cross blade can be added between the anchor type paddles, namely an anchor frame type stirrer, so that the mixing speed in the container is increased.

In the prior art, the stirring paddle applied to the enamel polymerization reaction kettle is an anchor frame type stirring paddle suitable for a medium-high viscosity polymerization system or a paddle type stirring paddle suitable for a low-viscosity polymerization system. Therefore, when the same reaction kettle is used for alternately carrying out low-viscosity polymerization reaction and high-viscosity polymerization reaction, the stirring paddles in the reaction kettle need to be frequently replaced to adapt to the stirring of different types of polymers, and the continuous replacement of the stirring paddles can cause low production efficiency and influence the production progress.

SUMMERY OF THE UTILITY MODEL

Based on the above problems, the present invention aims to provide a stirring apparatus, which can stir both high viscosity polymers and low viscosity polymers, so as to solve the problem in the prior art that the stirring paddle is frequently replaced when the production is changed between high viscosity system products and low viscosity system products, and effectively improve the production efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a stirring device, comprising:

the length of the stirring shaft is adjustable, and the top end of the stirring shaft is configured to be connected with the output end of a driving device;

the stirring paddle component comprises a frame type stirring paddle and paddle type stirring paddles, wherein the frame type stirring paddle is arranged at the bottom end of the stirring shaft, and the paddle type stirring paddles are provided with multiple groups, and the multiple groups of paddle type stirring paddles are distributed along the length direction of the stirring shaft at intervals.

As a preferable scheme of the stirring device, the frame type stirring paddle comprises an anchor-shaped frame, connecting rods are arranged at two ends of the anchor-shaped frame, and one end of each connecting rod, which is far away from the anchor-shaped frame, is connected with the stirring shaft.

In a preferred embodiment of the stirring apparatus of the present invention, the connecting rod is provided on the anchor frame so as to be inclined toward the stirring shaft, and the paddle type stirring paddle is provided in the anchor frame.

As a preferable scheme of the stirring device of the present invention, each group of paddle type stirring paddles includes a plurality of blades, the plurality of blades are arranged at intervals along the circumferential direction of the stirring shaft, and the extending directions of the blades of two adjacent groups of paddle type stirring paddles are different.

In a preferred embodiment of the stirring device of the present invention, the paddles are arranged obliquely to the stirring shaft, and the plurality of paddles of each paddle type stirring paddle have different inclination directions.

As a preferable scheme of the stirring device, the cross section of the paddle is oval, the connecting rod is provided with a reinforcing rod, and one end of the reinforcing rod, which is far away from the connecting rod, is connected with the paddle.

As a preferable scheme of the stirring device of the present invention, the joints between the anchor-shaped frame and the connecting rod, between the anchor-shaped frame and the stirring shaft, between the connecting rod and the stirring shaft, and between each of the blades and the stirring shaft are all arc transitions.

As a preferable mode of the stirring device of the present invention, the stirring shaft includes a first pipe and a second pipe disposed in the first pipe, and a protruding length of the second pipe in the first pipe is adjustable.

As a preferable aspect of the stirring device of the present invention, the stirring shaft, the frame-type stirring paddle, and the paddle-type stirring paddle are all made of steel pipes.

As a preferable scheme of the stirring device of the present invention, the outer surfaces of the stirring shaft, the gate type stirring paddle and the paddle type stirring paddle are coated with enamel materials.

The utility model has the beneficial effects that:

according to the stirring device provided by the utility model, the frame type stirring paddle is arranged at the bottom end of the stirring shaft, so that the stirring requirement of the stirring device on high-viscosity polymers is met. The stirring device meets the stirring requirement of the stirring device on low-viscosity polymers by arranging a plurality of groups of paddle type stirring paddles on the stirring shaft at intervals along the length direction. The stirring device can be used for stirring high-viscosity polymers and low-viscosity polymers, and does not need to be replaced when the high-viscosity system products and the low-viscosity system products are transferred, so that the replacement time is saved, and the production efficiency can be effectively improved. Simultaneously, the frame stirring rake of this agitating unit bottom can enlarge the stirring range, takes away residue or the liquid layer that adsorbs on the reation kettle inner wall, and multiunit paddle formula stirring rake can realize the stirring to not co-altitude department polymer, makes the polymer can realize horizontal hoop and flows, can realize axial motion again to abundant circulation mixes, improves polymer stirring speed. In addition, the length of the stirring shaft can be adjusted to adapt to reaction kettles with different specifications, and the universality of the stirring device is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a stirring device according to an embodiment of the present invention.

In the figure:

1-a stirring shaft; 2-a stirring paddle component;

11-a first tube; 12-a second tube;

21-frame type stirring paddle; 22-paddle type stirring paddle;

211-anchor frame; 212-a connecting rod; 213-reinforcing rods; 221-paddle.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the present embodiment provides a stirring apparatus, which can be applied to a reaction kettle for enamel polymerization, and the stirring apparatus comprises a stirring shaft 1 and a stirring paddle assembly 2.

Referring to fig. 1, the length of the stirring shaft 1 is adjustable, and the top end of the stirring shaft 1 is configured to be connected with the output end of a driving device, and the driving device can drive the stirring shaft 1 to rotate. The driving device can be a motor and the like as long as the stirring shaft 1 can be driven to rotate. Stirring rake subassembly 2 includes frame stirring rake 21 and oar formula stirring rake 22, and frame stirring rake 21 sets up in the bottom of (mixing) shaft 1, and oar formula stirring rake 22 includes the multiunit, and multiunit oar formula stirring rake 22 is along the length direction interval distribution of (mixing) shaft 1.

Through set up frame stirring rake 21 in the bottom of (mixing) shaft 1, satisfied agitating unit to the stirring demand of high viscosity polymer. The stirring requirement of the stirring device on low-viscosity polymers is met by arranging a plurality of groups of paddle type stirring paddles 22 on the stirring shaft 1 at intervals along the length direction. The stirring device can be used for stirring high-viscosity polymers and low-viscosity polymers, and does not need to be replaced when the high-viscosity system products and the low-viscosity system products are transferred, so that the replacement time is saved, and the production efficiency can be effectively improved. Simultaneously, the frame stirring rake 21 of this agitating unit bottom can enlarge the stirring range, takes away residue or the liquid layer that adsorbs on the reation kettle inner wall, and multiunit oar formula stirring rake 22 can realize the stirring to not co-altitude department polymer, makes the polymer can realize horizontal hoop and flow, can realize axial motion again to make the polymer fully circulate and mix, improve the polymer stirring degree of consistency.

Optionally, in this embodiment, the stirring shaft 1 includes a first pipe 11 and a second pipe 12 disposed inside the first pipe 11, and the protruding length of the second pipe 12 inside the first pipe 11 is adjustable. Can adapt to the reation kettle of different specifications through the length of adjusting (mixing) shaft 1, improve this agitating unit's commonality. Illustratively, a plurality of clamping grooves are formed in the inner wall of the first pipe 11 at intervals along the axial direction, and clamping protrusions are formed in the outer wall of the second pipe 12 and selectively clamped with any one of the clamping grooves to fix the second pipe 12 on the first pipe 11.

As shown in fig. 1, the gate paddle 21 may alternatively include an anchor frame 211, and the bottom end of the stirring shaft 1 is connected to the middle of the anchor frame 211. Connecting rods 212 are arranged at two ends of the anchor-shaped frame 211, and one end of each connecting rod 212, which is far away from the anchor-shaped frame 211, is connected with the stirring shaft 1. In this embodiment, the two connecting rods 212 are symmetrically distributed about the stirring shaft 1, so that the two sides of the anchor frame 211 are uniformly stressed during the stirring process.

Further, the connecting rod 212 is disposed obliquely toward the stirring shaft 1 on the anchor frame 211. In this embodiment, the connecting rod 212 is inclined downward with respect to the horizontal plane, and the included angle between the connecting rod 212 and the horizontal plane is an acute angle, so that the connection strength between the anchor frame 211 and the stirring shaft 1 can be increased, and the anchor frame 211 is prevented from deforming in the stirring process. In other embodiments, the connecting rod 212 may be inclined upward with respect to the horizontal plane as long as the anchor frame 211 can be reinforced.

In this embodiment, three sets of paddle type stirring paddles 22 are provided, wherein two sets of paddle type stirring paddles 22 are provided above the anchor frame 211, and one set of paddle type stirring paddles 22 is provided inside the anchor frame 211 to increase the stirring frequency of the polymer at the height position of the anchor frame 211. In other embodiments, the number of the groups of the paddle type stirring paddles 22 may be increased or decreased according to the depth of the reaction tank, etc., and the number of the groups of the paddle type stirring paddles 22 is not limited herein.

Alternatively, each group of paddle type stirring paddles 22 comprises a plurality of paddles 221, and the plurality of paddles 221 can sufficiently stir the polymer to accelerate the reaction rate. A plurality of blades 221 are arranged at intervals along the circumferential direction of the stirring shaft 1. For example, the paddle type stirring paddles 22 in the anchor frame 211 and the topmost paddle type stirring paddle 22 each include two blades 221, and the two blades 221 are symmetrically distributed on two opposite sides of the stirring shaft 1. The middle group of paddle type stirring paddles 22 comprises four blades 221, and the four blades 221 are uniformly distributed on the stirring shaft 1 along the axis. In other embodiments, three or other numbers of paddles 221 may be provided in the paddle type stirring paddle 22, and may be selected as needed.

Further, the extending directions of the blades 221 of the two adjacent groups of paddle type stirring paddles 22 are different, that is, the blades 221 of the two upper and lower groups of paddle type stirring paddles 22 are not overlapped in the vertical direction and are alternately arranged with each other, so as to fully stir the polymers at different heights and accelerate the polymer mixing rate.

Alternatively, referring to fig. 1, the blades 221 are arranged obliquely on the stirring shaft 1, and the inclination directions of the plurality of blades 221 of each set of paddle type stirring paddles 22 are different. That is, each blade 221 forms a certain included angle with the horizontal plane, and the included angle between each group of blades 221 and the horizontal plane is different. Taking a group of paddle type stirring paddles 22 in the anchor frame 211 as an example, one paddle 221 forms an angle of 60 degrees with the horizontal plane, and the other paddle 221 forms an angle of 120 degrees with the horizontal plane, so that the inclined planes of the two paddles 221 are staggered. During the rotation of the stirring shaft 1, the blades 221 with different inclination angles can apply upward or downward acting force on the polymer to fully stir the polymer and accelerate the reaction rate.

Alternatively, in the present embodiment, the stirring shaft 1, the gate type stirring paddle 21, and the paddle type stirring paddle 22 are all made of steel pipes. The anchor frame 211 and the connecting rod 212, the anchor frame 211 and the stirring shaft 1, the connecting rod 212 and the stirring shaft 1 and each blade 221 and the stirring shaft 1 are connected in a welding manner, so that the connection is firm and reliable.

Optionally, referring to fig. 1, a reinforcing rod 213 is disposed on each of the two connecting rods 212, and an end of the reinforcing rod 213 away from the connecting rod 212 is connected to the blade 221. In this embodiment, the two reinforcing rods 213 are respectively connected to the blades 221 of the middle paddle stirring paddle 22. The connecting rod 212 and the blade 221 are connected together by the reinforcing rod 213, the stability of the anchor frame 211 is further increased, and the anchor frame 211 can be prevented from being deformed.

Preferably, the paddle 221 is made of an oval tube, the cross section of which is oval. The two opposite sides of the oval tube have a large enough area, so that the contact area between the paddle 221 and the polymer can be increased in the stirring process, and a good stirring effect is ensured.

Optionally, referring to fig. 1, the joints between the anchor frame 211 and the connecting rod 212, between the anchor frame 211 and the stirring shaft 1, between the connecting rod 212 and the stirring shaft 1, and between each blade 221 and the stirring shaft 1 are all arc transitions, so as to reduce the resistance of the stirring device during stirring and improve the stirring efficiency. Furthermore, the outer surfaces of the stirring shaft 1, the frame type stirring paddle 21 and the paddle type stirring paddle 22 are all coated with enamel materials. Namely, the whole stirring device is wholly coated with a layer of enamel material to make the surface smooth so as to reduce the amount of polymer adhered on the device in the stirring process and facilitate the cleaning of the stirring device in the later period.

The agitating unit that this embodiment provided, when processing the preparation, all process into suitable looks transversal shape with each connector of (mixing) shaft 1, connecting rod 212 and paddle 221 earlier, then with each part welded fastening to build-up welding out corresponding circular arc at each part shaping face and cross the plating, polish with grinding equipment and level. And finally, performing shot blasting treatment on the whole, spraying enamel slurry according to an enamel enameling firing process, and firing to form an enamel coating layer.

In other embodiments, the space between the frame-type stirring paddle 21 and the stirring shaft 1 and the space between each group of paddle-type stirring paddles 22 and the stirring shaft 1 can be integrally formed, and then the whole stirring device is coated with enamel materials.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A stirring device, comprising:

the stirring shaft (1) is adjustable in length, and the top end of the stirring shaft (1) is configured to be connected with the output end of a driving device;

stirring rake subassembly (2), including frame stirring rake (21) and oar formula stirring rake (22), frame stirring rake (21) set up in the bottom of (mixing) shaft (1), oar formula stirring rake (22) are provided with the multiunit, multiunit oar formula stirring rake (22) are followed the length direction interval distribution of (mixing) shaft (1).

2. The stirring device according to claim 1, wherein said frame type stirring paddle (21) comprises an anchor frame (211), wherein both ends of said anchor frame (211) are provided with connecting rods (212), and one end of each connecting rod (212) far away from said anchor frame (211) is connected with said stirring shaft (1).

3. Stirring device according to claim 2, wherein said connecting rod (212) is arranged obliquely on said anchor frame (211) towards said stirring shaft (1), said paddle type stirring paddle (22) being arranged inside said anchor frame (211).

4. The stirring device according to claim 2, wherein each group of paddle stirring paddles (22) comprises a plurality of blades (221), the plurality of blades (221) are arranged at intervals along the circumferential direction of the stirring shaft (1), and the extending directions of the blades (221) of two adjacent groups of paddle stirring paddles (22) are different.

5. The stirring device according to claim 4, wherein said blades (221) are arranged obliquely on said stirring shaft (1), and the inclination directions of the blades (221) of each group of said paddle type stirring paddles (22) are different.

6. The stirring device according to claim 4, wherein the cross section of the paddle (221) is oval, the connecting rod (212) is provided with a reinforcing rod (213), and one end of the reinforcing rod (213) far away from the connecting rod (212) is connected with the paddle (221).

7. The stirring device according to claim 4, wherein the junctions between the anchor frame (211) and the connecting rod (212), between the anchor frame (211) and the stirring shaft (1), between the connecting rod (212) and the stirring shaft (1), and between each blade (221) and the stirring shaft (1) are all circular arc transitions.

8. The stirring device according to claim 1, wherein said stirring shaft (1) comprises a first tube (11) and a second tube (12) arranged inside said first tube (11), the extension of said second tube (12) inside said first tube (11) being adjustable.

9. The stirring device according to claim 1, wherein the stirring shaft (1), the gate-type stirring paddle (21) and the paddle-type stirring paddle (22) are all made of steel tubes.

10. Stirring device according to any of claims 1-9, wherein the outer surfaces of the stirring shaft (1), the frame stirring paddle (21) and the paddle stirring paddle (22) are coated with an enamel material.