CN215939686U

CN215939686U - Axial-flow stirrer with multilayer scraper plates

Info

Publication number: CN215939686U
Application number: CN202122172925.2U
Authority: CN
Inventors: 周荣升; 袁俊杰; 王明政
Original assignee: Linyi Haixin Chemical Equipment Co ltd
Current assignee: Linyi Haixin Chemical Equipment Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-04
Anticipated expiration: 2031-09-09

Abstract

The utility model belongs to the technical field of stirrers, and discloses a multilayer scraper axial-flow stirrer which is technically characterized by comprising a reaction kettle body, wherein a reaction kettle cover is installed at the top of the reaction kettle body, a rack is fixedly connected to the top of the reaction kettle cover, a motor is arranged at the top of the rack, an output shaft of the motor is fixedly connected with a speed reducer, and an output shaft of the speed reducer is fixedly connected with a stirring structure. The utility model discloses a, anchor formula, oar formula, impulse type, turbine formula agitator's advantage has been synthesized to the stirring structure, has solved the too big problem of conventional stirring minimum stirring volume, has solved the problem that anchor formula stirring does not have axial and radial flow, has solved the problem that oar formula stirring leakage fluid volume and circulation volume are little, has solved impulse type and turbine formula stirring and can not mix the problem that density is big or easily subside the material, the chemical production technology more than applicable 90%, promote stirring effect more than 20%.

Description

Axial-flow stirrer with multilayer scraper plates

Technical Field

The utility model relates to the technical field of stirrers, in particular to an axial-flow stirrer with multiple layers of scrapers.

Background

The device can make liquid and gas medium implement convection and uniform mixing. The type, size and speed of rotation of the stirrer all have an effect on the distribution of the stirring power between bulk flow and turbulent pulsation.

At present, most of stirrers used in the field of glass lining chemical equipment are conventional anchor frame type, paddle type, impeller type and propelling type stirrers, the paddle type and the impeller type are suitable for reactions such as solid-liquid mixing homogenization and liquid-liquid mixing homogenization, and the mixing effect is poor due to small liquid discharge amount of blades; the paddle type and the impeller type are suitable for reactions such as solid-liquid mixing and homogenization, and the like, and the mixing effect is poor due to the small liquid discharge amount of the blades; the propeller type stirrer has good mixing effect, but the minimum stirring volume cannot be made very small, when the residual material is less than 10%, stirring cannot be performed, and the stirring effect is greatly reduced when the deposited material is easy to precipitate, so that a multi-layer scraper axial flow type stirrer is required.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the present invention is directed to a multilayer scraper axial flow mixer.

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

The utility model provides an axial-flow type agitator is scraped to multilayer, includes the reation kettle body, the reation kettle lid is installed at the top of the reation kettle body, the top fixedly connected with frame of reation kettle lid, the top of frame is provided with the motor, the output shaft fixedly connected with speed reducer of motor, the output shaft fixedly connected with stirring structure of speed reducer, the bottom of stirring structure runs through frame and reation kettle lid in proper order and extends to the inside of the reation kettle body.

As a further description of the above technical solution:

the stirring structure comprises a stirring shaft, the top end of the stirring shaft is fixedly connected with a speed reducer, the bottom end of the stirring shaft sequentially penetrates through the rack and the reaction kettle cover and extends to the inside of the reaction kettle body, and the bottom end of the stirring shaft is fixedly connected with four-blade downward-pressing type axial flow blades, four-blade upward-turning type axial flow blades and a scraper type.

As a further description of the above technical solution:

the stirring shaft is sleeved with a mechanical seal, and the outer side of the mechanical seal is connected with the frame and the reaction kettle cover respectively.

Compared with the prior art, the utility model has the advantages that:

the stirring structure integrates the advantages of an anchor type stirrer, a paddle type stirrer, a propelling type stirrer and a turbine type stirrer, the problem that the minimum stirring volume of conventional stirring is too large is solved, the problem that axial and radial flow does not exist in anchor type stirring is solved, the problem that the liquid discharge amount and the circulation amount of paddle type stirring are small is solved, the problem that the propelling type stirrer and the turbine type stirrer cannot stir materials with large density or materials which are easy to settle is solved, the stirring structure is applicable to chemical production processes more than 90%, and the stirring effect is improved by more than 20%.

Drawings

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

fig. 2 is a front cross-sectional view of the present invention.

The reference numbers in the figures illustrate:

1. a reaction kettle body; 2. a reaction kettle cover; 3. a frame; 4. a motor; 5. a speed reducer; 6. a stirring structure; 601. a stirring shaft; 602. four-blade downward-pressing axial flow blades; 603. four-blade upturning axial flow blades; 604. a scraper type; 7. and (4) mechanically sealing.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention;

referring to fig. 1-2, the multilayer scraper axial flow type stirrer comprises a reaction kettle body 1, wherein a reaction kettle cover 2 is installed at the top of the reaction kettle body 1, a frame 3 is fixedly connected to the top of the reaction kettle cover 2, a motor 4 is arranged at the top of the frame 3, an output shaft of the motor 4 is fixedly connected with a speed reducer 5, an output shaft of the speed reducer 5 is fixedly connected with a stirring structure 6, and the bottom end of the stirring structure 6 sequentially penetrates through the frame 3 and the reaction kettle cover 2 and extends into the reaction kettle body 1.

In the utility model, when the stirring device is used, the motor 4 and the speed reducer 5 are started, the motor 4 and the speed reducer 5 are matched to drive the stirring structure 6 to rotate, the stirring structure 6 integrates the advantages of an anchor type stirrer, a paddle type stirrer, a push type stirrer and a turbine type stirrer, the problem that the minimum stirring volume is too large in the conventional stirring is solved, the problem that the anchor type stirrer does not have axial and radial flows is solved, the problems that the paddle type stirring liquid discharge amount and the circulation amount are small are solved, the problem that the push type stirrer and the turbine type stirrer cannot stir materials with large density or are easy to settle is solved, the stirring device is suitable for more than 90% of chemical production processes, and the stirring effect is improved by more than 20%.

Please refer to fig. 2, in which: the stirring structure 6 comprises a stirring shaft 601, the top end of the stirring shaft 601 is fixedly connected with a speed reducer 5, the bottom end of the stirring shaft 601 sequentially penetrates through the frame 3 and the reaction kettle cover 2 and extends to the inside of the reaction kettle body 1, and the bottom end of the stirring shaft 601 is fixedly connected with a four-blade downward-pressing type axial flow blade 602, a four-blade upward-turning type axial flow blade 603 and a scraper type 604.

In the utility model, when in use, the motor 4 is matched with the speed reducer 5 to drive the stirring shaft 601 to rotate, the stirring shaft 601 can respectively drive the four-blade downward-pressing type axial flow blade 602, the four-blade upward-turning type axial flow blade 603 and the scraper type 604 to rotate after the stirring shaft 601 rotates, the four-blade downward-pressing type axial flow blade 602, the four-blade upward-turning type axial flow blade 603 and the scraper type 604 can carry out stirring operation after the four-blade downward-pressing type axial flow blade 602, the four-blade upward-turning type axial flow blade 603 and the scraper type 604 rotate, the bottom scraper type 604 can reduce the minimum stirring volume to 3 percent in the stirring process, the four-blade upturning type axial flow blade 603 in the middle layer has the advantages of good axial flow type circulation effect and good turbine type emulsification dispersion gas-liquid mixing effect, the applicable range is further expanded, the four-blade downfall type axial flow blade 602 in the uppermost layer and the middle layer interact with each other to form a strong turbulence effect, and the material mixing effect is obviously improved.

Please refer to fig. 2, in which: the stirring shaft 601 is sleeved with a mechanical seal 7, and the outer side of the mechanical seal 7 is respectively connected with the frame 3 and the reaction kettle cover 2.

In the utility model, the mechanical seal 7 sleeved on the stirring shaft 601 can play a role in preventing fluid leakage due to the fact that the mechanical seal keeps fit and slides relatively, and further the practicability of the device is improved.

The working principle is as follows: when the device is used, the motor 4 and the speed reducer 5 are started, the motor 4 and the speed reducer 5 are matched to drive the stirring shaft 601 to rotate and then respectively drive the four-blade downward-pressing type axial flow blade 602, the four-blade upward-turning type axial flow blade 603 and the scraper type 604 to rotate, the four-blade downward-pressing type axial flow blade 602, the four-blade upward-turning type axial flow blade 603 and the scraper type 604 can be stirred after rotating, in the stirring process, the bottom scraper type 604 can reduce the minimum stirring volume to 3% and play a stirring effect on materials which are easy to settle or deposit, the middle layer of four-blade upward-turning type axial flow blade 603 not only has the advantage of good circulation effect of axial flow, but also has the advantage of good effect of turbine type emulsified dispersed gas-liquid mixing, the applicable range is further expanded, under the interaction between the uppermost layer of four-blade downward-pressing type axial flow blade 602 and the middle layer, a strong turbulent effect is formed, and the material mixing effect is obviously improved, the stirring structure 6 integrates the advantages of an anchor type stirrer, a paddle type stirrer, a propelling type stirrer and a turbine type stirrer, solves the problem that the minimum stirring volume of the conventional stirring is too large, solves the problem that the anchor type stirrer does not have axial flow and radial flow, solves the problem that the liquid discharge amount and the circulation amount of the paddle type stirrer are small, solves the problem that the propelling type stirrer and the turbine type stirrer cannot stir materials with large density or easily settle the materials, is suitable for the chemical production process more than 90 percent, and improves the stirring effect by more than 20 percent.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an axial-flow stirrer is scraped to multilayer, includes the reation kettle body (1), its characterized in that: the reaction kettle comprises a reaction kettle body (1), wherein a reaction kettle cover (2) is installed at the top of the reaction kettle body (1), a rack (3) fixedly connected with the top of the reaction kettle cover (2), a motor (4) is arranged at the top of the rack (3), a speed reducer (5) is fixedly connected with an output shaft of the motor (4), a stirring structure (6) is fixedly connected with the output shaft of the speed reducer (5), and the bottom end of the stirring structure (6) sequentially penetrates through the rack (3) and the reaction kettle cover (2) and extends to the inside of the reaction kettle body (1).

2. The multi-layer scraper axial flow mixer of claim 1, wherein: stirring structure (6) include (mixing) shaft (601), the top and speed reducer (5) fixed connection of (mixing) shaft (601), the bottom of (mixing) shaft (601) runs through frame (3) and reation kettle lid (2) in proper order and extends to the inside of the reation kettle body (1), the bottom fixedly connected with four leaves of (mixing) shaft (601) pushes down formula axial compressor paddle (602), four leaves turn over formula axial compressor paddle (603) and scrape board formula (604) on.

3. The multi-layer scraper axial flow mixer of claim 2, characterized in that: the stirring shaft (601) is sleeved with a mechanical seal (7), and the outer side of the mechanical seal (7) is connected with the frame (3) and the reaction kettle cover (2) respectively.