High-shear-force magnetic suspension rotor and magnetic suspension stirring pump

Abstract

A high-shear-force magnetic suspension rotor and a magnetic suspension stirring pump comprise a magnetic ring which comprises a main body portion of an annular structure and a circular-truncated-cone-shaped top connected to the upper end of the main body portion. The multiple blade sets are annularly distributed on the side wall of the top at equal intervals, each blade set comprises a first blade and a second blade, and the length, the height and the inclination angle of the first blade are all larger than those of the second blade. According to the utility model, through the innovative design of the magnetic ring and the blade group, the shearing efficiency and the mixing uniformity are obviously improved, and meanwhile, the energy consumption is reduced. Due to the unique blade shape and the streamline top design, the fluid flowing path is optimized, abrasion is reduced, the stability of the rotor is improved, and the service life of the rotor is prolonged. The length and width form of the first blade and the outward extending type multilayer shearing design of the second blade jointly form a stirring system which is efficient and high in adaptability.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic suspension stirring pumps, in particular to a high-shearing magnetic suspension rotor and a magnetic suspension stirring pump. Background Art

[0002] As an advanced pump equipment that uses magnetic levitation technology to achieve contactless rotation, the magnetic levitation stirring pump has demonstrated its unique advantages in many industrial fields, such as low friction, low noise, long life, and no need for lubricating oil. However, in specific environments that require high shear force mixed liquid processing, the traditional magnetic levitation stirring pump rotor design often seems to be unable to cope with it.

[0003] Although the rotor of the traditional magnetic levitation stirring pump can achieve frictionless rotation, its blade structure is simple, and there is even an angle between the blade and the central axis of the rotor. The shear force is small and the torque borne by the rotor is too large, which affects the long-term use of the rotor. At the same time, when processing high-shear mixed liquids, this design cannot provide sufficient shear force to achieve uniform mixing of materials, thus limiting its application in this field.

[0004] To this end, we propose a high shear force magnetic levitation rotor and a magnetic levitation stirring pump. Utility Model Content

[0005] In view of the shortcomings of the above-mentioned existing production technology, the applicant provides a high-shear magnetic suspension rotor and a magnetic suspension stirring pump, which achieve efficient shearing and uniform mixing of fluids.

[0006] The technical solution adopted by the utility model is as follows:

[0007] A high shear force magnetic suspension rotor, comprising:

[0008] The magnetic ring comprises a main body of a ring structure and a top connected to the upper end of the main body in a truncated cone shape;

[0009] There are multiple blade groups which are equidistantly distributed in a circular shape on the side wall of the top. Each blade group includes a first blade and a second blade, and the length, height and inclination angle of the first blade are greater than those of the second blade.

[0010] Furthermore, the side wall of the top is streamlined.

[0011] Furthermore, the height of the free end of the second blade is greater than the height of the free end of the first blade.

[0012] Furthermore, the height of the free end of the second blade is higher than the height of the corresponding position of the first blade on the equal ring line.

[0013] Furthermore, the second blades extend out of the side wall of the magnetic ring.

[0014] Furthermore, the highest point of the second blade coincides with the apex of the top, and the highest point of the first blade is higher than the top.

[0015] Furthermore, the free ends of the first blade and the second blade are both arc-shaped.

[0016] A magnetic suspension stirring pump comprises the above-mentioned high shear force magnetic suspension rotor.

[0017] Furthermore, the structure of the magnetic suspension stirring pump also includes:

[0018] The mixing drum comprises a chamber, and a receiving cavity for accommodating a rotor assembly is provided in the middle of the inner bottom wall of the chamber;

[0019] The stator assembly is separated from the housing of the accommodating cavity and is arranged corresponding to the rotor assembly.

[0020] Furthermore, the accommodating cavity includes two types: concave and convex. When the accommodating cavity is concave, the rotor assembly is placed in the accommodating cavity, and the stator assembly is located outside the accommodating cavity. When the accommodating cavity is convex, the rotor assembly is sleeved outside the accommodating cavity, and the stator assembly is arranged in the accommodating cavity.

[0021] The beneficial effects of the utility model are as follows:

[0022] The utility model has a compact and reasonable structure and is easy to operate. By adopting a combination of streamlined magnetic rings and multi-layer shear blades, efficient shearing and uniform mixing of the fluid are achieved; the contactless drive technology reduces wear and noise, and improves the stability and service life of the system; at the same time, the optimized design of the bottom wall of the mixing drum effectively solves the problem of mixed liquid residue, and enhances the cleanliness of the mixing environment and the mixing efficiency.

[0023] At the same time, the utility model also has the following advantages:

[0024] The innovative design of the magnetic ring and blade group in this utility model significantly improves shear efficiency and mixing uniformity, while reducing energy consumption. Its unique blade shape and streamlined top design not only optimize the fluid flow path and reduce wear, but also enhance the stability and service life of the rotor. The length and width of the first blade and the "extended" multi-layer shear design of the second blade together constitute an efficient and adaptable mixing system.

[0025] The magnetic suspension stirring pump in the utility model realizes precise control between the rotor assembly and the stator assembly through contactless driving technology, reducing the wear and noise problems caused by traditional mechanical contact. The concave accommodating cavity design in the mixing drum ensures that the rotor assembly can rotate stably while avoiding direct contact with the inner wall of the mixing drum, further extending the service life of the equipment.

[0026] The stirring pump is further optimized in the utility model. By changing the shape of the inner bottom wall of the accommodating chamber to an upward convex type and adjusting the layout of the rotor assembly and the stator assembly, the problem of residual mixed liquid is effectively solved, and the cleanliness and efficiency of the stirring environment are improved. This design not only enhances the structural compactness and stability of the equipment, but also enables the stirring pump to show higher efficiency and performance when processing high-shear mixed liquids. In summary, these three embodiments jointly demonstrate the significant advantages of the high-shear magnetic levitation stirring pump in improving mixing efficiency, reducing energy consumption, extending service life, and optimizing the stirring environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional structural schematic diagram of the rotor assembly in the utility model.

[0028] Figure 2 It is the front view of the rotor assembly in the utility model.

[0029] Figure 3 This is a working state diagram of the rotor assembly in the mixed liquid in the utility model.

[0030] Figure 4 It is a cross-sectional view of the magnetic levitation stirring pump of the utility model.

[0031] in:

[0032] 10. Rotor assembly; 20. Stator assembly; 30. Mixing drum;

[0033] 100, magnetic ring; 200, first blade; 300, second blade;

[0034] 101. main body; 102. top;

[0035] 31. Accommodation cavity. DETAILED DESCRIPTION

[0036] The specific implementation of the present utility model is described below in conjunction with the accompanying drawings.

[0037] The utility model aims to solve the problems of insufficient shear force, excessive torque and poor long-term stability existing in traditional magnetic levitation stirring pumps when processing high-shear mixed liquids. By designing a new type of high-shear magnetic levitation rotor and magnetic levitation stirring pump, the efficiency and effect of the high-shear mixing application are significantly improved.

[0038] Example 1

[0039] like Figure 1-Figure 3 As shown, this embodiment discloses a high shear force magnetic suspension rotor, which is characterized by the innovative design of the magnetic ring 100 and the blade group.

[0040] The magnetic ring 100 is composed of a main body 101 and a top 102. The top 102 is truncated and the side wall is streamlined, which not only increases the stability of the rotor, but also optimizes the guidance of the fluid flow to reduce fluid resistance. The blade group is composed of a first blade 200 and a second blade 300, both of which are annularly equidistantly distributed on the side wall of the top 102.

[0041] like Figure 1 and Figure 2 As shown, the first blade 200 in this embodiment is designed to be long and wide, with a height, length and tilt angle greater than the second blade to generate a larger initial shear force and torque transmission capacity. Its tilt angle is accurately calculated to optimize the flow path of the fluid around the rotor and improve the shear efficiency.

[0042] like Figure 1 and Figure 2 As shown, the second blade 300 in this embodiment is smaller in size than the first blade, and the free end (referring to the end of the blade extending out of the magnetic ring 100) is higher than the corresponding position of the first blade on the equal ring line, forming a multi-layer shearing effect. This design allows the fluid to not only be initially sheared by the first blade 200 when passing through, but also be further refined at the second blade 300 to achieve more uniform mixing.

[0043] On the basis of the basic type, the rotor structure is further enhanced in this embodiment. Meanwhile, the free end of the second blade 300 is not only higher than the first blade 200, but also extends a certain distance from the side wall of the magnetic ring 100, forming an "outward-extending" blade.

[0044] The design of the extended blade enables the second blade to act more directly on the edge of the fluid when rotating, increasing the range and intensity of the shearing effect and further improving the mixing effect.

[0045] At the same time, the height of the first blade 200 is higher to improve the stirring efficiency, and the highest point of the second blade 300 coincides with the apex of the top 102, which facilitates the flow of the mixed liquid.

[0046] At the same time, the free ends of the first blade 200 and the second blade 300 are both arc-shaped, and the arc-shaped design makes the free ends of the blades smoother, reducing the sharp corners when contacting the blade fibers or other components, thereby reducing wear. This streamlined design helps to disperse the contact pressure, making the wear more uniform and extending the service life of the blades.

[0047] like Figure 3 As shown, Figure 3The upper middle part shows the case where only the first blade 200 exists, simulating the case where the conventional rotor assembly 10 has only one blade. At this time, in the mixed liquid with high shear force, the blades are subjected to greater shear force of the blade fibers, so that the rotor assembly 10 is subjected to greater torsion force, which is not conducive to long-term use.

[0048] and Figure 3 The structure of the middle and lower part is a structural combination of the first blade 200 and the second blade 300 in the utility model, so that the shear force of the blade fiber on the first blade 200 is smaller, and thus it can be used in a high shear force environment.

[0049] The high shear force magnetic suspension rotor and stirring pump of this embodiment can significantly improve shear efficiency and mixing uniformity when processing high shear force mixed liquid, while reducing energy consumption. Due to the contactless rotation design, the service life of the rotor is extended and the maintenance cost is reduced.

[0050] Embodiment 2

[0051] like Figure 4 As shown, this embodiment discloses a magnetic levitation stirring pump, which adopts the rotor assembly 10 in the first embodiment, and also includes a stirring drum 30, a rotor assembly 10 and a stator assembly 20. The stirring drum 30 is provided with a receiving cavity 31 for placing the rotor assembly 10. The stator assembly 20 is located outside the stirring drum and realizes contactless driving with the rotor assembly 10 through electromagnetic force.

[0052] The accommodating chamber 31 is designed to be concave, ensuring that the rotor assembly 10 is completely placed therein, avoiding direct contact with the inner wall of the mixing drum, and reducing wear.

[0053] The stator assembly 20 includes an electromagnetic coil and a control system, which achieves stable rotation and speed regulation of the rotor assembly 10 by precisely controlling the magnitude and direction of the electromagnetic force.

[0054] In this embodiment, contactless driving is achieved: the stator assembly drives the rotor assembly to rotate through electromagnetic force without mechanical contact, which reduces wear and noise and improves the reliability and service life of the system.

[0055] Reduce wear: A concave accommodating chamber is provided inside the mixing drum to ensure that the rotor assembly is completely placed inside, avoiding direct contact with the inner wall of the mixing drum and reducing wear.

[0056] Improved mixing effect: The rotor assembly in the first embodiment inherits the advantages of high shear force and mixing uniformity, and improves the overall performance of the stirring pump.

[0057] Embodiment 3

[0058] The difference from the second embodiment is that the middle part of the inner bottom wall of the accommodating chamber 31 is convex, and the upper magnetic ring 100 of the rotor assembly 10 is sleeved in the accommodating chamber 31, and the stator assembly 20 is arranged inside the accommodating chamber 31 corresponding to the rotor assembly 10. This design can prevent the mixed liquid from accumulating in the accommodating chamber 31 and causing residue.

[0059] Avoiding residual mixed liquid: The middle part of the inner bottom wall of the accommodating chamber is designed to be convex, which, combined with the sleeve arrangement of the rotor assembly, effectively prevents the accumulation and residue of the mixed liquid in the accommodating chamber, thereby improving the stirring efficiency and cleanliness.

[0060] Optimized mixing environment: This design improves the flow state of the mixed liquid during the mixing process, making the mixed liquid more evenly distributed in the mixing barrel, further improving the mixing effect.

[0061] Enhanced structural compactness: The stator assembly is arranged inside the accommodating cavity corresponding to the rotor assembly, which not only saves space but also enhances the compactness and stability of the overall structure.

[0062] The above description is an explanation of the utility model, not a limitation of the utility model. The scope of the utility model is defined by the claims. Any form of modification can be made within the protection scope of the utility model.

Claims

1. A high shear force magnetic suspension rotor, characterized in that: include: The magnetic ring (100) comprises a main body (101) of a ring structure, and a top (102) connected to the upper end of the main body (101) and in a truncated cone shape; The blade groups are multiple in number and are equidistantly distributed in an annular manner on the side wall of the top (102); each blade group comprises a first blade (200) and a second blade (300); and the length, height and inclination angle of the first blade (200) are greater than those of the second blade (300).

2. A high shear force magnetic suspension rotor as claimed in claim 1, characterized in that: The side wall of the top (102) is streamlined.

3. A high shear force magnetic suspension rotor as claimed in claim 1, characterized in that: The height of the free end of the second blade (300) is greater than the height of the free end of the first blade (200).

4. A high shear force magnetic suspension rotor as claimed in claim 3, characterized in that: The height of the free end of the second blade (300) is higher than the height of the corresponding position of the first blade (200) on the equal ring line.

5. A high shear force magnetic suspension rotor as claimed in claim 4, characterized in that: The second blade (300) extends out of the side wall of the magnetic ring (100).

6. A high shear force magnetic suspension rotor as claimed in claim 5, characterized in that: The highest point of the second blade (300) coincides with the apex of the top (102), and the highest point of the first blade (200) is higher than the top (102).

7. A high shear force magnetic suspension rotor as claimed in claim 6, characterized in that: The free ends of the first blade (200) and the second blade (300) are both arc-shaped.

8. A magnetic levitation stirring pump, characterized in that: A high shear magnetic suspension rotor comprising any one of claims 1-7.

9. A magnetic levitation stirring pump as claimed in claim 8, characterized in that: Also includes: A mixing drum (30) comprising a chamber, wherein a receiving cavity (31) for receiving a rotor assembly (10) is provided in the middle of an inner bottom wall of the chamber; The stator assembly (20) is arranged corresponding to the rotor assembly (10) via the outer shell of the accommodating cavity (31).

10. A magnetic levitation stirring pump according to claim 9, characterized in that: The accommodating chamber (31) includes two types: concave and convex. When the accommodating chamber (31) is concave, the rotor assembly (10) is placed inside the accommodating chamber (31), and the stator assembly (20) is located outside the accommodating chamber (31); when the accommodating chamber (31) is convex, the rotor assembly (10) is sleeved outside the accommodating chamber (31), and the stator assembly (20) is arranged inside the accommodating chamber (31).

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