CN210646368U

CN210646368U - Reaction kettle

Info

Publication number: CN210646368U
Application number: CN201921125045.6U
Authority: CN
Inventors: 吕佳珈; 梁丽; 鲍启波; 吴碧周
Original assignee: Zhejiang Ruixin Pharmaceutical Co ltd
Current assignee: Zhejiang Ruixin Pharmaceutical Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-06-02
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a reaction kettle, including the cauldron body, transmission, agitating unit, cauldron body upper portion is provided with transmission, and agitating unit sets up at the internal portion of reaction kettle, and transmission is connected its characterized in that with agitating unit: the stirring device comprises a stirring shaft, an upper blade, a middle blade and a lower blade, wherein the upper blade, the middle blade and the lower blade are respectively and fixedly connected with the stirring shaft, and the upper blade and the lower blade are symmetrically arranged by taking the middle blade as a center. The utility model provides a reaction kettle, simple structure, design benefit, agitating unit among the reaction kettle makes the material stirring in the reaction kettle target in place more, even, abundant to make more complete of material reaction, improve stirring efficiency and quality. The stirring device has stable integral structure and stable stirring, the middle blade can balance the axial impact of the upper blade and the lower blade on the stirring shaft, and the service life of the reaction kettle is prolonged.

Description

Reaction kettle

Technical Field

The utility model relates to a reation kettle technical field, in particular to reation kettle.

Background

The reaction kettle is a pressure container which is widely applied to petroleum, chemical engineering, rubber, pesticides, dyes, medicines and foods and is used for completing the technological processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like. In the reaction kettle, in order to accelerate the reaction speed, enhance the mixing, enhance the mass transfer or heat transfer effect, and the like, the reaction kettle is generally provided with a stirring device. The stirring device is used for uniformly mixing materials and enhancing heat transfer and mass transfer, including homogeneous liquid mixing; liquid-liquid dispersion; gas-liquid dispersion; solid-liquid dispersion; crystallizing; dissolving the solid; enhance heat transfer, etc.

The stirring device is the key of the performance of the reaction kettle equipment and directly determines the reaction effect and quality of the materials.

However, on one hand, the existing stirring device is unstable along with the rotation of the stirring shaft during stirring, and is easy to vibrate, so that the stirring device is easy to damage, the service life of the stirring device is shortened, and the normal work of the reaction kettle is influenced; on the other hand, the stirring device does not stir in place in each direction of the three-dimensional space, and the stirring is not uniform enough, so that the materials in the reaction kettle do not react sufficiently.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of current research, the utility model provides a this kind of reation kettle exhaust treatment device simple structure, design benefit, agitating unit among the reation kettle makes the material stirring in the reation kettle target in place more, even, abundant to make more complete of material reaction, improve stirring efficiency and quality. The stirring device has stable integral structure and stable stirring, and the service life of the reaction kettle is prolonged. In order to achieve the above-mentioned functions, the above technical problems of the present invention can be solved mainly by the following technical solutions:

the utility model provides a reaction kettle, including the cauldron body, transmission, agitating unit, cauldron body upper portion is provided with transmission, and agitating unit sets up at the internal portion of reaction kettle, and transmission is connected with agitating unit, its characterized in that: the stirring device comprises a stirring shaft, an upper blade, a middle blade and a lower blade, wherein the upper blade, the middle blade and the lower blade are respectively and fixedly connected with the stirring shaft, and the upper blade and the lower blade are symmetrically arranged by taking the middle blade as a center. The middle blade can balance the axial impact of the upper blade and the lower blade on the stirring shaft.

Further, the upper blade and the lower blade are respectively an arched blade, the arched blade comprises a straight part in the transverse direction and an arched part in the vertical direction, the upper blade is a downward arched blade, and the lower blade is an upward arched blade.

Furthermore, the middle blade comprises a transverse blade, and two ends of the transverse blade are respectively and vertically and fixedly connected with a vertical blade.

Further, the upper blade comprises a first upper blade and a second upper blade, the second upper blade is positioned at the upper part of the first upper blade, and the diameter of the second upper blade is smaller than that of the first upper blade.

Further, the lower blade comprises a first lower blade and a second lower blade, the second lower blade is positioned at the lower part of the first lower blade, and the diameter of the second lower blade is smaller than that of the first lower blade.

Further, the first upper blade and the second upper blade are arranged at an included angle of 0-90 degrees in the radial direction.

Further, the first lower blade and the second lower blade are arranged at an included angle of 0-90 degrees in the radial direction.

Furthermore, the number of the first upper blades, the number of the second upper blades, the number of the first lower blades and the number of the second lower blades are respectively 1-3.

Further, the diameter direction of the middle blade is shorter than that of the upper blade and the lower blade.

Furthermore, the upper blade, the middle blade and the lower blade are respectively hollow structure blades. The gravity is light, the power consumption is low, and the cost is reduced.

When the reaction kettle works, the upper blade, the middle blade and the lower blade rotate together with the rotation of the stirring shaft, the vertical blade in the middle blade forms inner-layer radial flow, the arc-shaped parts in the arc-shaped middle vertical direction in the second upper blade in the upper blade and the second lower blade in the lower blade form middle-layer radial flow, and the arc-shaped parts in the arc-shaped middle vertical direction in the first upper blade in the upper blade and the first lower blade in the lower blade form outer-layer radial flow; the middle horizontal straight part of the upper blade arch forms the axial flow of the upper layer, the middle horizontal blade forms the axial flow of the middle layer, and the middle horizontal straight part of the lower blade arch forms the axial flow of the lower layer; the stirring is enabled to form inner, middle and outer three-layer radial flow, upper, middle and lower three-layer axial flow, so that the stirring achieves all-dimensional stirring, the stirring is more uniform, the materials are fully reacted, and the stirring quality and efficiency of the materials are met.

Go up blade, well blade, under the blade in axial direction's last well down, the inside, the outside mutual balance of radial direction makes agitating unit more stable, balanced, smooth and easy when stirring to make reation kettle move more stably.

The beneficial effects of the utility model.

1. The utility model discloses a agitating unit among the reation kettle makes the material stirring in the reation kettle target in place more, even, abundant for more complete of material reaction, improvement stirring efficiency and quality.

2. The utility model discloses a stirring device overall structure among the reation kettle is stable, makes the stirring more stable, balanced, smooth and easy during the stirring to make reation kettle move more stably, improve reation kettle's life.

3. The utility model discloses an among the agitating unit in the reation kettle well blade use well blade as center and lower blade symmetrical arrangement, well blade can balance the impact of last blade, lower blade axial force to the (mixing) shaft, prolongs the live time of (mixing) shaft.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 these drawings without creative efforts.

FIG. 1 is a schematic structural view of a reaction kettle of the present invention;

FIG. 2 is a schematic structural view of a stirring device in the reaction kettle of the present invention;

fig. 3 is a schematic view of the three-dimensional stirring flow direction of the stirring device of the reaction kettle of the present invention.

In the figure: 1. a stirring shaft; 2. an upper blade; 21. a first upper blade; 22. a second upper blade; 3. a middle blade; a transverse blade; 32. a vertical blade; 4. a lower blade; 41. a first lower blade; 42. and a second lower blade.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

As shown in fig. 1-3, the reaction kettle in this embodiment includes a kettle body, a transmission device, and a stirring device, where the transmission device is disposed on the upper portion of the kettle body, the stirring device is disposed inside the kettle body of the reaction kettle, the transmission device is connected to the stirring device, the stirring device includes a stirring shaft 1, an upper blade 2, a middle blade 3, and a lower blade 4, the upper blade 2, the middle blade 3, and the lower blade 4 are respectively fixedly connected to the stirring shaft 1, and the upper blade 2 is symmetrically disposed with the lower blade 4 by taking the middle blade 3 as a center. The middle blade 3 can balance the axial impact of the upper blade 2 and the lower blade 4 on the stirring shaft 1.

The upper blade 2 and the lower blade 4 are respectively arc-shaped blades, each arc-shaped blade comprises a straight part in the transverse direction and an arc-shaped part in the vertical direction, the upper blade 2 is a downward arc-shaped blade, and the lower blade 4 is an upward arc-shaped blade.

The middle blade 3 comprises a transverse blade 31, and two ends of the transverse blade 31 are respectively vertically and fixedly connected with a vertical blade 32.

The upper blade 2 includes a first upper blade 21 and a second upper blade 22, the second upper blade 22 is located at the upper part of the first upper blade 21, and the diameter of the second upper blade 22 is smaller than that of the first upper blade 21.

The lower blade 4 includes a first lower blade 41 and a second lower blade 42, the second lower blade 42 is located at the lower part of the first lower blade 41, and the diameter of the second lower blade 42 is smaller than that of the first lower blade 41.

The first upper blade 21 and the second upper blade 22 are arranged at an included angle of 0-90 degrees in the radial direction.

The first lower blade 41 and the second lower blade 42 are arranged at an angle of 0-90 degrees in the radial direction.

The number of the first upper blades 21, the second upper blades 22, the first lower blades 41 and the second lower blades 42 is 1-3 respectively.

The length of the middle blade 3 is shorter than that of the upper blade 2 and the lower blade 4.

The upper blade 2, the middle blade 3 and the lower blade 4 are hollow blades respectively. The gravity is light, the power consumption is low, and the cost is reduced.

The utility model discloses a theory of operation and process:

as shown in fig. 1-3, when the reactor is in operation, as the stirring shaft 1 rotates, the upper blade 2, the middle blade 3 and the lower blade 4 rotate together, the vertical blade 32 in the middle blade 2 forms an inner radial flow, the arc-shaped middle vertical direction part of the second upper blade 22 in the upper blade 2 and the second lower blade 42 in the lower blade 4 forms an intermediate radial flow, and the arc-shaped middle vertical direction part of the first upper blade 21 in the upper blade 2 and the first lower blade 41 in the lower blade 4 forms an outer radial flow; the middle horizontal straight part of the arch of the upper blade 2 forms the axial flow of the upper layer, the middle horizontal blade of the middle blade 2 forms the axial flow of the middle layer, and the middle horizontal straight part of the arch of the lower blade forms the axial flow of the lower layer; the stirring is enabled to form inner, middle and outer three-layer radial flow, upper, middle and lower three-layer axial flow, so that the stirring achieves all-dimensional stirring, the stirring is more uniform, the materials are fully reacted, and the stirring quality and efficiency of the materials are met.

Go up blade 2, well blade 3, lower blade 4 in axial direction's upper and lower, radial direction's inside and outside are balanced each other, and it is more stable, balanced, smooth and easy when making agitating unit stir to make reation kettle move more stably.

The upper blade 2 is symmetrically arranged with the lower blade 4 by taking the middle blade 3 as a center, and the middle blade 3 can balance the impact of the axial force of the upper blade 2 and the axial force of the lower blade 4 on the stirring shaft 1, so that the service time of the stirring shaft 1 is prolonged.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a reaction kettle, includes the cauldron body, transmission, agitating unit, cauldron body upper portion is provided with transmission, and agitating unit sets up at the internal portion of reaction kettle, and transmission is connected its characterized in that with agitating unit: the stirring device comprises a stirring shaft (1), an upper blade (2), a middle blade (3) and a lower blade (4), wherein the upper blade (2), the middle blade (3) and the lower blade (4) are respectively fixedly connected with the stirring shaft (1), and the upper blade (2) is symmetrically arranged with the middle blade (3) as the center and the lower blade (4).

2. A reactor according to claim 1, wherein: go up blade (2), lower blade (4) and be bow-shaped blade respectively, bow-shaped blade includes the straight part of horizontal direction and the arc part of vertical direction, it is decurrent bow-shaped blade to go up blade (2), lower blade (4) are ascending bow-shaped blade.

3. A reactor according to claim 1, wherein: the middle blade (3) comprises a transverse blade (31), and two ends of the transverse blade (31) are respectively and vertically and fixedly connected with a vertical blade (32).

4. A reactor according to claim 1, wherein: the upper blade (2) comprises a first upper blade (21) and a second upper blade (22), the second upper blade (22) is positioned at the upper part of the first upper blade (21), and the diameter of the second upper blade (22) is smaller than that of the first upper blade (21).

5. A reactor according to claim 1, wherein: the lower blade (4) comprises a first lower blade (41) and a second lower blade (42), the second lower blade (42) is positioned at the lower part of the first lower blade (41), and the diameter of the second lower blade (42) is smaller than that of the first lower blade (41).

6. A reactor according to claim 4, wherein: the first upper blade (21) and the second upper blade (22) are arranged in a radial direction at an included angle of 0-90 degrees, and the number of the first upper blade (21) and the number of the second upper blade (22) are respectively 1-3.

7. A reactor according to claim 5, wherein: the first lower blade (41) and the second lower blade (42) are arranged at an included angle of 0-90 degrees in the radial direction.

8. A reactor according to claim 5, wherein: the number of the first lower blades (41) and the number of the second lower blades (42) are respectively 1-3.

9. A reactor according to claim 1, wherein: the diameter direction of the middle blade (3) is shorter than that of the upper blade (2) and the lower blade (4).

10. A reactor according to claim 1, wherein: the upper blade (2), the middle blade (3) and the lower blade (4) are hollow blades respectively.