Magnetic coupling device
By designing a magnetic coupler, the rotation is driven by the repulsive force of magnetic poles. Combined with a through gap and a secondary sealing structure, the sealing leakage problem in high-temperature and high-pressure reactors is solved, achieving stable operation in high-temperature and high-pressure environments and extending equipment life.
Patent Information
- Application Number
- CN202423027963.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-09
AI Technical Summary
In high-temperature and high-pressure reactor environments, the mechanical seal structure of existing magnetic couplers is prone to leakage, which affects the reaction effect.
A magnetic coupler was designed, which is connected to a rotating strong magnetic sleeve through a stirring shaft. The rotation is driven by the repulsive force of the magnetic poles. Combined with a through gap and a secondary sealing structure, the sealing performance is ensured. The design includes a combination of sealing head, shell, flange and bearing, which replaces the traditional threaded connection.
During rotation, the high temperature and pressure inside the reactor are effectively maintained, extending the equipment life, improving the uniformity of stress on the sealing joints, and reducing the risk of leakage.
Smart Images
Figure CN223641831U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to reaction kettle technical field, concretely is a magnetic coupling. BACKGROUND
[0002] The reaction kettle is a kind of equipment for chemical reaction, physical and chemical process and laboratory research.It is usually made of steel plate of certain thickness, with high corrosion resistance and high temperature and high pressure bearing capacity.It is widely used in pharmaceutical, chemical, food processing and other fields to meet the needs of different processes.According to different process requirements, it can be divided into atmospheric reaction kettle, high-pressure reaction kettle, vacuum reaction kettle and other types.It can contain chemical reactions under high pressure and high temperature conditions, and can be heated or cooled during the reaction process to adjust the reaction rate and product yield.It is widely used in pharmaceutical, polymer industry, organic synthesis and other fields.
[0003] For the high temperature and high pressure reaction kettle environment, the existing magnetic coupling is connected with the stirring paddle after the stirring paddle, and the mechanical seal structure is easy to cause the leakage of the high temperature and high pressure reaction environment in the reaction kettle during the rotation process, thereby affecting the final reaction effect. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of magnetic coupling to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of magnetic coupling, including stirring shaft, the stirring shaft is connected with rotating strong magnetic sleeve, the rotating strong magnetic sleeve is contacted with sealing head, the sealing head is connected with first shell, the first shell is connected with second shell by first flange, the second shell is connected with sealing joint by second flange, the first flange is connected with third shell, first magnetic pole strong magnet is arranged between the third shell and first shell, second magnetic pole strong magnet is arranged in the rotating strong magnetic sleeve;Gap is provided between the sealing joint and stirring shaft, between the second shell and stirring shaft, between the first shell and rotating strong magnetic sleeve, which is communicated with the reaction kettle.
[0006] Optionally, first bearing is arranged between the sealing head and rotating strong magnetic sleeve;Second bearing and third bearing are arranged between the first shell and third shell;Fourth bearing and fifth bearing are arranged between the stirring shaft and second shell.
[0007] Optionally, first bearing spacer sleeve is arranged between the second bearing and third bearing;Second bearing spacer sleeve is arranged between the fourth bearing and fifth bearing.
[0008] Optionally, the sealing joint is provided with sealing groove, and the second flange is connected with the sealing joint by the sealing groove.
[0009] Optionally, the stirring shaft is connected to the stirring paddle inside the reactor.
[0010] Compared with the prior art, the beneficial effects of this utility model are:
[0011] 1. This utility model ensures that even if the internal environment of the reactor leaks from the sealed joint during rotation, the high temperature and high pressure inside the reactor can be maintained through the secondary sealing of the magnetic coupler by means of the through-hole that penetrates the reactor.
[0012] 2. The sealing joint of this utility model is connected to the second flange through a sealing groove, replacing the traditional threaded connection, which makes the sealing joint more uniformly stressed and increases the overall service life of the equipment. Attached Figure Description
[0013] Fig. 1 This is a cross-sectional view of the present invention;
[0014] Fig. 2 This is a schematic diagram showing the positions of the second and third bearings of this utility model;
[0015] Fig. 3 This is a schematic diagram showing the positions of the fourth and fifth bearings of this utility model. Detailed Implementation
[0016] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.
[0017] like Figs. 1-3 As shown, a magnetic coupler includes a stirring shaft 1 connected to a rotating strong magnetic sleeve 2, the rotating strong magnetic sleeve 2 in contact with a sealing head 3, the sealing head 3 connected to a first housing 4, the first housing 4 connected to a second housing 6 via a first flange 5, the second housing 6 connected to a sealing joint 8 via a second flange 7, the first flange 5 connected to a third housing 9, a first strong magnetic pole 10 provided between the third housing 9 and the first housing 4, and a second strong magnetic pole 11 provided inside the rotating strong magnetic sleeve 2; gaps penetrating the interior of the reactor are provided between the sealing joint 8 and the stirring shaft 1, between the second housing 6 and the stirring shaft 1, and between the first housing 4 and the rotating strong magnetic sleeve 2.
[0018] A first bearing 12 is provided between the sealing head 3 and the rotating magnetic sleeve 2; a second bearing 13 and a third bearing 14 are provided between the first housing 4 and the third housing 9; a fourth bearing 15 and a fifth bearing 16 are provided between the stirring shaft 1 and the second housing 6. A first bearing spacer 17 is provided between the second bearing 13 and the third bearing 14; a second bearing spacer 18 is provided between the fourth bearing 15 and the fifth bearing 16. The sealing joint 8 is provided with a sealing groove 19, and the second flange 7 is connected to the sealing joint 8 through the sealing groove 19. The stirring shaft 1 is connected to the stirring paddle inside the reactor.
[0019] When this utility model is in operation, since the first magnetic pole 10 and the second magnetic pole 11 repel each other, the rotating strong magnetic sleeve 2 rotates and drives the stirring shaft 1 to rotate, which in turn drives the stirring paddle inside the reactor to rotate. Furthermore, through the gap that penetrates the reactor, it is ensured that even if the internal environment of the reactor leaks from the sealing joint during the rotation process, the high temperature and high pressure inside the reactor can be maintained through the secondary sealing of the third shell 9 and the second shell 6.
[0020] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any indirect modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. A magnetic coupler, characterized in that, The system includes a stirring shaft (1), which is connected to a rotating strong magnetic sleeve (2). The rotating strong magnetic sleeve (2) is in contact with a sealing head (3). The sealing head (3) is connected to a first housing (4). The first housing (4) is connected to a second housing (6) via a first flange (5). The second housing (6) is connected to a sealing joint (8) via a second flange (7). The first flange (5) is connected to a third housing (9). A first magnetic pole strong magnet (10) is provided between the third housing (9) and the first housing (4). A second magnetic pole strong magnet (11) is provided inside the rotating strong magnetic sleeve (2). The sealing joint (8) and the stirring shaft (1), the second housing (6) and the stirring shaft (1), and the first housing (4) and the rotating strong magnetic sleeve (2) are all provided with gaps that communicate with the inside of the reactor.
2. A magnetic coupler according to claim 1, characterized in that, A first bearing (12) is provided between the sealing head (3) and the rotating strong magnetic sleeve (2); A second bearing (13) and a third bearing (14) are provided between the first housing (4) and the third housing (9); A fourth bearing (15) and a fifth bearing (16) are provided between the stirring shaft (1) and the second housing (6).
3. A magnetic coupler according to claim 2, characterized in that, A first bearing spacer (17) is provided between the second bearing (13) and the third bearing (14); A second bearing spacer (18) is provided between the fourth bearing (15) and the fifth bearing (16).
4. A magnetic coupler according to claim 3, characterized in that, The sealing joint (8) is provided with a sealing groove (19), and the second flange (7) is connected to the sealing joint (8) through the sealing groove (19).
5. A magnetic coupler according to claim 4, characterized in that, The stirring shaft (1) is connected to the stirring paddle inside the reactor.