Vertical reaction kettle

By using the installation shell and magnetic mechanism in the vertical reactor, the problem of poor sealing of the traditional reactor is solved, and the stirring shaft is operated in a sealed environment, which improves the stirring effect.

CN222739161UActive Publication Date: 2025-04-11CHINA PETROLEUM & CHEMICAL CORP +1
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Patent Information

Application Number
CN202421095404.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-04-11
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The traditional reactor has poor sealing properties due to the gap between the stirring shaft and the top wall of the kettle body, and it is impossible to stir the raw materials in a sealing environment.

Method used

A vertical reactor is designed, which is installed on the top wall of the kettle body using a housing seal. The agitating shaft extends vertically in the accommodating chamber and the raw material storage chamber, and the agitating shaft is driven to rotate circumferentially through a magnetic mechanism to ensure that the agitating shaft operates in a sealed environment.

Benefits of technology

The operation of the stirring shaft in a sealed environment is realized, and the sealing property of the reactor is improved, so that the raw materials can be effectively stirred and mixed.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of reaction kettles, in particular to a vertical reaction kettle. The vertical reaction kettle comprises a kettle body with a raw material accommodating cavity, a mounting shell with an accommodating chamber, a stirring shaft and a rotating mechanism, a mounting hole is formed in the top wall of the kettle body, the mounting shell is hermetically mounted on the top wall of the kettle body around the mounting hole, the stirring shaft vertically extends in the accommodating cavity, the mounting hole and the raw material accommodating cavity, and the rotating mechanism is mounted outside the mounting shell; the rotating mechanism is arranged to be capable of circumferentially rotating around the axis of the stirring shaft and driving the stirring shaft to circumferentially rotate by magnetic force. Wherein the mounting shell can isolate a gap between the stirring shaft and the top wall of the kettle body from the outside, so that the whole stirring shaft is positioned in a sealed environment formed by the mounting shell and the kettle body. And the rotating mechanism can drive the stirring shaft to circumferentially rotate by magnetic force, so that the stirring shaft can stir the raw materials in a sealed environment.
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Description

Technical Field

[0001] The utility model relates to the technical field of reaction kettles, in particular to a vertical reaction kettle. Background Art

[0002] Reactors are commonly used in the chemical industry as stirring and reaction equipment. Various raw materials are stirred and mixed in the reactor to produce target products.

[0003] A conventional reactor generally comprises a kettle body with a vertically extending axis, a stirring shaft with a vertically extending axis, and a driving motor. A portion of the stirring shaft is located in the kettle body, and this portion can stir the raw materials in the kettle body; another portion of the stirring shaft extends outward from the top wall of the kettle body, and this portion is connected to the driving motor, and the driving motor can drive the stirring shaft to rotate circumferentially. Since a portion of the stirring shaft extends outward from the top wall of the kettle body, there is a gap between the stirring shaft and the top wall of the kettle body, and since the stirring shaft needs to rotate circumferentially, the gap is not easy to seal, resulting in poor sealing of the conventional reactor, so that the stirring shaft cannot stir the raw materials in a sealed environment. Utility Model Content

[0004] The utility model aims to overcome the problem of poor sealing of a reaction kettle caused by a gap between a stirring shaft and a top wall of a kettle body.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a vertical reactor, which includes a reactor body with a raw material accommodating chamber, a mounting shell with a accommodating chamber, a stirring shaft and a rotating mechanism; the top wall of the reactor body is provided with a mounting hole, the mounting shell is sealed and mounted on the top wall of the reactor body around the mounting hole, and the stirring shaft extends vertically in the accommodating chamber, the mounting hole and the raw material accommodating chamber, the rotating mechanism is mounted on the outside of the mounting shell, and the rotating mechanism is configured to be able to rotate circumferentially around the axis of the stirring shaft and drive the stirring shaft to rotate circumferentially by magnetic force.

[0006] In some embodiments, the rotating mechanism includes a cylinder, a driving device and a magnetic mechanism; the cylinder is sleeved on the outside of the mounting shell, the magnetic mechanism is fixed on the outside of the cylinder, the magnetic mechanism attracts the connecting part of the stirring shaft with magnetic force, and the driving device can drive the cylinder to drive the magnetic mechanism to rotate circumferentially, so that the magnetic mechanism drives the stirring shaft to rotate circumferentially.

[0007] In some embodiments, the magnetic mechanism includes a power supply device fixed to the outside of the cylinder, a plurality of coils connected in series in sequence, and a plurality of iron cores, and all the coils are spaced around the cylinder, all the iron cores are located in all the coils one by one, and the power supply device can supply power to all the coils; the stirring shaft includes a connecting part located in the accommodating chamber and a stirring part located in the raw material accommodating chamber, a plurality of magnetic components are fixedly installed in the connecting part, and the magnetic poles of the magnetic components facing the cylinder and the magnetic poles of the coils facing the connecting part attract each other.

[0008] In some embodiments, all magnetic components are installed in the middle of the connecting part, and both ends of the connecting part are rotatably connected to the side walls of the mounting shell respectively, and the diameter of the middle of the connecting part is larger than the diameter of the two ends of the connecting part.

[0009] In some embodiments, two annular support plates are provided in the mounting shell and are distributed around the connecting part. The two annular support plates are vertically spaced apart. The two ends of the connecting part are rotatably connected to the side wall of the mounting shell through a bearing member respectively, and the two bearing members are installed on the two annular support plates one by one.

[0010] In some embodiments, the driving device is a driving motor, which is located above the cylinder, the output shaft of the driving motor is connected to the top wall of the cylinder, and the main body of the driving motor is fixedly connected to the kettle body.

[0011] In some embodiments, the bottom of the cylinder is connected to the top of the kettle body through a first thrust ball bearing, and the first thrust ball bearing surrounds the mounting shell; and / or, the top wall of the mounting shell is connected to the top wall of the cylinder through a second thrust ball bearing, and the axis of the second thrust ball bearing coincides with the axis of the stirring shaft; and / or, the side wall of the mounting shell is connected to the side wall of the cylinder through a rolling bearing.

[0012] In some embodiments, an opening is provided on the top of the kettle body, and a sealing cover that can be opened and closed is provided at the opening.

[0013] In some embodiments, the side wall of the kettle body has an interlayer, in which a coil surrounding the raw material holding cavity is provided, and the coil is respectively connected to a heating device capable of providing a high-temperature medium to the coil and a cooling device capable of providing a cooling medium to the coil.

[0014] In some embodiments, a discharge component for discharging the target product is provided at the bottom of the kettle body.

[0015] The technical solution of the utility model has the following beneficial effects:

[0016] The stirring shaft extends vertically in the accommodating chamber and the raw material accommodating chamber, so a part of the stirring shaft is located in the kettle body, and the other part of the stirring shaft is located in the mounting shell. Although there is a gap between the stirring shaft and the top wall of the kettle body, the mounting shell is sealed and installed on the top of the kettle body. The mounting shell can isolate the gap between the stirring shaft and the top wall of the kettle body from the outside world, so that the entire stirring shaft is located in a sealed environment formed by the mounting shell and the kettle body. The rotating mechanism can drive the stirring shaft to rotate circumferentially by magnetic force, so that the stirring shaft can stir the raw materials in a sealed environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a vertical cross-sectional schematic diagram of a vertical reactor in one embodiment of the utility model;

[0018] Figure 2 It is a partial schematic diagram of the rotating mechanism in one embodiment of the utility model.

[0019] Description of Reference Numerals

[0020] 1. Kettle body; 11. Sealing cover; 12. Coil; 13. Discharge component; 14. Probe; 15. Vacuum tube; 2. Mounting shell; 3. Stirring shaft; 31. Connecting part; 32. Stirring part; 33. Magnetic component; 4. Rotating mechanism; 41. Magnetic mechanism; 411. Annular support plate; 412. Bearing member; 42. Power supply device; 43. Coil; 44. Iron core; 45. First thrust ball bearing; 46. Second thrust ball bearing; 47. Rolling bearing; 48. Cylinder body; 49. Driving device. DETAILED DESCRIPTION

[0021] The features and exemplary embodiments of various aspects of the utility model will be described in detail below. In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only intended to explain the utility model, rather than to limit the utility model. For those skilled in the art, the utility model can be implemented without the need for some of these specific details. The following description of the embodiments is only to provide a better understanding of the utility model by showing examples of the utility model.

[0022] like Figure 1 As shown, the utility model provides a vertical reactor, which includes a reactor body 1 having a raw material receiving chamber, a mounting shell 2 having a receiving chamber, a stirring shaft 3 and a rotating mechanism 4. The top wall of the reactor body 1 is provided with a mounting hole, the mounting shell 2 is sealed and mounted on the top wall of the reactor body 1 around the mounting hole, and the stirring shaft 3 extends vertically in the receiving chamber, the mounting hole and the raw material receiving chamber, and the rotating mechanism 4 is mounted on the outside of the mounting shell 2, and the rotating mechanism 4 is configured to be able to rotate circumferentially around the axis of the stirring shaft 3 and drive the stirring shaft 3 to rotate circumferentially by magnetic force.

[0023] Specifically, the mounting shell 2 and the kettle body 1 can be welded, or the two can be formed as one body, thereby ensuring that there is no gap between the mounting shell 2 and the kettle body 1. A portion of the stirring shaft 3 is located in the accommodating chamber of the mounting shell 2, and another portion of the stirring shaft 3 is located in the raw material accommodating chamber. The top wall of the kettle body 1 is provided with a mounting hole, and the mounting hole is communicated with the accommodating chamber of the mounting shell 2. The bottom of the mounting shell 2 has a bottom opening, and the outer edge of the bottom opening of the mounting shell 2 is sealed and connected to the top of the kettle body 1, and the opening of the mounting shell 2 is sealed around the mounting hole of the kettle body 1. Therefore, the mounting shell 2 can form a seal on the portion of the stirring shaft 3 located outside the kettle body 1. Of course, the stirring shaft 3 can be rotatably mounted in the kettle body 1 and the mounting shell 2.

[0024] In this embodiment, the stirring shaft 3 extends vertically in the accommodating chamber and the raw material accommodating chamber, so a part of the stirring shaft 3 is located in the kettle body 1, and the other part of the stirring shaft 3 is located in the installation shell 2. Although there is a gap between the stirring shaft 3 and the top wall of the kettle body 1, the installation shell 2 is sealed and installed on the top of the kettle body 1. The installation shell 2 can isolate the gap between the stirring shaft 3 and the top wall of the kettle body 1 from the outside world, so that the entire stirring shaft 3 is located in a sealed environment formed by the installation shell 2 and the kettle body 1. The rotating mechanism 4 can drive the stirring shaft 3 to rotate circumferentially by magnetic force, so that the stirring shaft 3 can stir the raw materials in a sealed environment.

[0025] like Figure 1 As shown, in some embodiments of the present invention, the rotating mechanism 4 includes a cylinder 48, a driving device 49 and a magnetic mechanism 41. The cylinder 48 is sleeved on the outside of the mounting shell 2, and the magnetic mechanism 41 is fixed on the outside of the cylinder 48. The magnetic mechanism 41 attracts the connecting portion 31 of the stirring shaft 3 with magnetic force, and the driving device 49 can drive the cylinder 48 to drive the magnetic mechanism 41 to rotate circumferentially, so that the magnetic mechanism 41 drives the stirring shaft 3 to rotate circumferentially.

[0026] Specifically, the cylinder 48 includes a cylinder side wall and a cylinder top wall, the opening of the cylinder 48 is downward, and the axis of the cylinder 48 coincides with the axis of the stirring shaft 3. The magnetic mechanism 41 can be fixed on the cylinder side wall. The magnetic pole of the magnetic mechanism 41 facing the stirring shaft 3 can attract the stirring shaft 3 with magnetic force. When the driving device 49 drives the cylinder 48 to rotate circumferentially, the cylinder 48 drives the magnetic mechanism 41 to rotate circumferentially, and the magnetic mechanism 41 attracts the stirring shaft 3 with magnetic force to rotate circumferentially with the magnetic mechanism 41.

[0027] like Figure 2As shown, in some embodiments of the present invention, the magnetic mechanism 41 includes a power supply device 42 fixed to the outside of the cylinder 48, a plurality of coils 43 connected in series in sequence, and a plurality of iron cores 44, and all coils 43 are spaced around the cylinder 48, all iron cores 44 are located in all coils 43 one by one, and the power supply device 42 can supply power to all coils 43. The stirring shaft 3 includes a connecting portion 31 located in the accommodating chamber and a stirring portion 32 located in the raw material accommodating chamber, and a plurality of magnetic components 33 are fixedly installed in the connecting portion 31, and the magnetic poles of the magnetic components 33 facing the cylinder 48 and the magnetic poles of the coils 43 facing the connecting portion 31 attract each other.

[0028] Specifically, the magnetic mechanism 41 includes a plurality of coils 43, and the coils 43 are fixed on the outside of the cylinder 48. The axis of the coil 43 extends radially along the stirring shaft 3; in other words, the axis of the coil 43 is perpendicular to the axis of the stirring shaft 3. The outgoing line of the first coil 43 is connected to the incoming line of the second coil 43, and the outgoing line of the second coil 43 is connected to the incoming line of the third coil 43, and the other coils 43 are connected in series accordingly, which will not be repeated. The incoming line of the first coil 43 and the outgoing line of the last coil 43 are respectively connected to the positive and negative poles of the power supply device 42. The coils 43 can be separated by insulating materials such as rubber. The power supply device 42 supplies power to all coils 43, and each coil 43 surrounds an iron core 44, which is also installed on the outside of the cylinder 48, so a magnetic field is generated at the coil 43, and the magnetic poles of all coils 43 facing the stirring shaft 3 are the same, for example, the magnetic poles of all coils 43 facing the stirring shaft 3 are S poles or N poles. The magnetic component 33 is preferably a neodymium magnet block. Along the axial direction of the stirring shaft 3, multiple groups of neodymium magnet blocks are fixedly installed in the connecting portion 31, and each group of neodymium magnet blocks contains multiple neodymium magnet blocks. For each group of neodymium magnet blocks, all neodymium magnet blocks in the group are evenly distributed circumferentially around the axis of the stirring shaft 3, and the length direction of each neodymium magnet block is consistent with the radial direction of the stirring shaft 3. The magnetic poles of all neodymium magnet blocks facing the magnetic mechanism 41 are the same, for example, the magnetic poles of all neodymium magnet blocks facing the magnetic mechanism 41 are N poles or S poles, so the magnetic mechanism 41 and the magnetic component 33 attract each other with magnetic force. The magnetic component 33 can enhance the magnetic attraction between the connecting portion 31 and the magnetic mechanism 41 to ensure the working reliability of the stirring shaft 3.

[0029] like Figure 2 As shown, in some embodiments of the present invention, all magnetic components 33 are installed in the middle of the connecting part 31, and the two ends of the connecting part 31 are rotatably connected to the side walls of the mounting shell 2 respectively, and the diameter of the middle part of the connecting part 31 is larger than the diameter of the two ends of the connecting part 31.

[0030] Specifically, the middle of the connecting portion 31 has a larger diameter, so a larger magnetic component 33 can be installed in the middle of the connecting portion 31, which helps to enhance the magnetic attraction between the connecting portion 31 and the magnetic mechanism 41. In addition, the distance between the middle of the connecting portion 31 and the magnetic mechanism 41 is reduced, further enhancing the magnetic attraction between the connecting portion 31 and the magnetic mechanism 41. Preferably, the distance between the side wall of the middle of the connecting portion 31 and the inner wall of the mounting housing 2 is between 0.1 mm and 0.2 mm.

[0031] like Figure 1 As shown, in some embodiments of the utility model, two annular support plates 411 distributed around the connecting portion 31 are provided in the mounting shell 2, the two annular support plates 411 are vertically spaced apart, and the two ends of the connecting portion 31 are rotatably connected to the side wall of the mounting shell 2 through a bearing member 412 respectively, and the two bearing members 412 are installed on the two annular support plates 411 one by one.

[0032] Specifically, two annular support plates 411 are respectively located above and below the magnetic component 33, and the annular support plates 411 are radially spaced apart from the connecting portion 31. The radial outer side of the annular support plate 411 is fixedly connected to the mounting shell 2, and the radial inner side of the annular support plate 411 surrounds the end of the connecting portion 31. The outer ring of the bearing member 412 is installed on the top of the annular support plate 411, and the outer ring of the bearing member 412 is fixedly connected to the side wall of the mounting shell 2; the inner ring of the bearing member 412 is fixedly connected to the end of the connecting portion 31. The bearing member 412 can support the stirring shaft 3 and increase the stability of the rotation of the stirring shaft 3, thereby improving the reliability of the stirring shaft 3. Preferably, the bearing member 412 is a thrust spherical roller bearing.

[0033] like Figure 1 As shown, in some embodiments of the present invention, the driving device 49 is a driving motor, which is located above the cylinder 48, the output shaft of the driving motor is connected to the top wall of the cylinder 48, and the main body of the driving motor is fixedly connected to the kettle body 1.

[0034] Specifically, the drive motor is arranged vertically, and the output shaft of the drive motor faces the cylinder 48. The output shaft of the drive motor is connected to the cylinder 48, and the main body of the drive motor is fixedly connected to the kettle body 1, so when the main body of the drive motor can be fixed above the cylinder 48, the output shaft of the drive motor can drive the cylinder 48 to rotate.

[0035] like Figure 1 As shown, in some embodiments of the present invention, the bottom of the cylinder 48 is connected to the top of the kettle body 1 through the first thrust ball bearing 45, and the first thrust ball bearing 45 surrounds the mounting shell 2. Specifically, the thrust ball bearing can support the cylinder 48, making the cylinder 48 more reliable when rotating.

[0036] like Figure 1 As shown, in some embodiments of the present invention, the top wall of the mounting shell 2 is connected to the top wall of the cylinder 48 via a second thrust ball bearing 46, and the axis of the second thrust ball bearing 46 coincides with the axis of the stirring shaft 3, so that the cylinder 48 is more reliable when rotating.

[0037] like Figure 1 As shown, in some embodiments of the present invention, the side wall of the mounting housing 2 is connected to the side wall of the cylinder 48 through a rolling bearing 47, so that the cylinder 48 is more reliable when rotating. Preferably, the rolling bearing 47 can be a deep groove ball bearing.

[0038] like Figure 1 As shown, in some embodiments of the present invention, an opening is provided at the top of the kettle body 1, and a sealing cover 11 which can be opened and closed is provided at the opening.

[0039] Specifically, when the sealing cover 11 is closed, the sealing cover 11 can seal the opening. Sometimes the target product may be a relatively fragile solid, which is not easy to be discharged from the kettle body 1. After the reaction is completed and the kettle body 1 is cooled, the sealing cover 11 is opened, and then a crushing device (such as a drill bit) is inserted into the kettle body 1 from the opening to crush the target product. After the target product is formed into small pieces, it is convenient to discharge the kettle body 1.

[0040] like Figure 1 As shown, in some embodiments of the utility model, the side wall of the kettle body 1 has an interlayer, and the interlayer is provided with a coil 12 surrounding the raw material holding cavity, and the coil 12 is respectively connected to a heating device capable of providing a high-temperature medium to the coil 12 and a cooling device capable of providing a cooling medium to the coil 12.

[0041] Specifically, when the kettle body 1 is heated, the heating device delivers a high-temperature medium to the coil 12, and the high-temperature medium circulates between the coil 12 and the heating device. To heat the kettle body 1. The high-temperature medium can be high-temperature heat transfer oil or high-temperature steam, etc. When the kettle body 1 is cooled down, the circulation loop between the coil 12 and the heating device is closed, and the circulation loop between the cooling device and the coil 12 is opened. The cold zone device delivers a cooling medium to the coil 12, and the cooling medium circulates between the cold zone device and the coil 12 to cool down the kettle body 1. The cooling medium can be cooling water or cooling oil.

[0042] like Figure 1 As shown, in some embodiments of the present invention, a discharge component 13 for discharging the target product is provided at the bottom of the kettle body 1.

[0043] Specifically, the discharge component 13 may include a discharge pipe and a valve disposed on the discharge pipe. The target product can be discharged from the discharge pipe by opening the valve.

[0044] like Figure 1 As shown, in some embodiments of the present invention, the reactor further comprises a temperature detection device, and a probe 14 of the temperature detection device extends from the top wall of the reactor body 1 into the reactor body 1. Of course, the probe 14 and the top wall of the reactor body 1 need to be sealed.

[0045] like Figure 1 As shown, in some embodiments of the present invention, the vertical reactor further includes a vacuum pumping component, which includes a vacuum pumping tube 15 and a valve installed on the vacuum pumping tube 15. The vacuum pumping device can be connected to the vacuum pumping tube 15, and the vacuum pumping device can vacuum the reactor body 1 by opening the valve.

[0046] It should be noted that the vertical reactor of the utility model can be manufactured into a smaller laboratory device or a larger production device.

[0047] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above are only preferred implementation methods of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the utility model, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A vertical reactor, characterized in that: It comprises a kettle body (1) having a raw material containing chamber, a mounting shell (2) having a containing chamber, a stirring shaft (3) and a rotating mechanism (4); The top wall of the kettle body (1) is provided with a mounting hole, the mounting shell (2) is sealed and mounted on the top wall of the kettle body (1) around the mounting hole, and the stirring shaft (3) extends vertically in the accommodating chamber, the mounting hole and the raw material accommodating chamber, the rotating mechanism (4) is mounted on the outside of the mounting shell (2), and the rotating mechanism (4) is configured to be able to rotate circumferentially around the axis of the stirring shaft (3) and to drive the stirring shaft (3) to rotate circumferentially by magnetic force; The rotating mechanism (4) comprises a cylinder (48), a driving device (49) and a magnetic mechanism (41); the cylinder (48) is sleeved on the outside of the mounting shell (2); the magnetic mechanism (41) is fixed on the outside of the cylinder (48); the magnetic mechanism (41) attracts the connecting portion (31) of the stirring shaft (3) with magnetic force; the driving device (49) can drive the cylinder (48) to drive the magnetic mechanism (41) to rotate circumferentially, so that the magnetic mechanism (41) drives the stirring shaft (3) to rotate circumferentially.

2. The vertical reactor according to claim 1, characterized in that: The magnetic mechanism (41) comprises a power supply device (42) fixed to the outside of the cylinder (48), a plurality of coils (43) connected in series in sequence, and a plurality of iron cores (44), and all the coils (43) are spaced and distributed around the cylinder (48), and all the iron cores (44) are located in all the coils (43) in a one-to-one correspondence, and the power supply device (42) can supply power to all the coils (43); The stirring shaft (3) comprises a connecting portion (31) located in the accommodating chamber and a stirring portion (32) located in the raw material accommodating chamber, a plurality of magnetic components (33) are fixedly installed in the connecting portion (31), and the magnetic poles of the magnetic components (33) facing the barrel (48) and the magnetic poles of the coil (43) facing the connecting portion (31) attract each other.

3. The vertical reactor according to claim 2, characterized in that: All the magnetic components (33) are installed in the middle of the connecting part (31), and the two ends of the connecting part (31) are respectively rotatably connected to the side walls of the mounting shell (2), and the diameter of the middle of the connecting part (31) is larger than the diameters of the two ends of the connecting part (31).

4. The vertical reactor according to claim 3, characterized in that: The installation shell (2) is provided with two annular support plates (411) distributed around the connecting portion (31), the two annular support plates (411) are vertically spaced apart, the two ends of the connecting portion (31) are rotatably connected to the side wall of the installation shell (2) via a bearing member (412), and the two bearing members (412) are mounted on the two annular support plates (411) in a one-to-one correspondence.

5. The vertical reactor according to claim 2, characterized in that: The driving device (49) is a driving motor, which is located above the cylinder (48). The output shaft of the driving motor is connected to the top wall of the cylinder (48), and the main body of the driving motor is fixedly connected to the kettle body (1).

6. The vertical reactor according to claim 2, characterized in that: The bottom of the cylinder (48) is connected to the top of the kettle (1) via a first thrust ball bearing (45), and the first thrust ball bearing (45) surrounds the mounting shell (2); and / or, The top wall of the mounting housing (2) is connected to the top wall of the cylinder (48) via a second thrust ball bearing (46), and the axis of the second thrust ball bearing (46) coincides with the axis of the stirring shaft (3); and / or, The side wall of the mounting housing (2) is connected to the side wall of the cylinder (48) via a rolling bearing (47).

7. The vertical reactor according to any one of claims 1 to 6, characterized in that: The top of the kettle body (1) is provided with an opening, and the opening is provided with a sealing cover (11) that can be opened and closed.

8. The vertical reactor according to any one of claims 1 to 6, characterized in that: The side wall of the kettle body (1) is provided with an interlayer, in which a coil (12) surrounding the raw material containing cavity is provided, and the coil (12) is respectively connected to a heating device capable of providing a high-temperature medium to the coil (12) and a cooling device capable of providing a cooling medium to the coil (12).

9. The vertical reactor according to any one of claims 1 to 6, characterized in that: The bottom of the kettle body (1) is provided with a discharge component (13) for discharging the target product.