Adaptive centrifugal submersible mixer

Abstract

The adaptive centrifugal submersible mixer comprises a rotatable central shaft (7) in a mixing kettle, a horizontal fixed sliding rod (4) installed on the central shaft (7) perpendicularly, a motor (1) and a thrust agitator (2) driven by the motor (1) installed on the sliding rod (4) by means of a sliding seat (3) and capable of moving radially within a limited range along the sliding rod (4), the sliding seat (3) is subjected to the centripetal tension of a spring (5), and the motor (1) obtains power from outside through the hollow communication of the sliding rod (4) and the central shaft (7). The mixer consumes less energy in the process of stirring the fluid in the kettle, and there is no dead angle in the kettle.

Description

Technical Field

[0001] This invention belongs to the field of mixing technology, specifically a mixer used in mixing equipment. Background Technology

[0002] The mixing equipment consists of a mixing vessel and a mixer. In order to prevent the fluid medium contained in the mixing vessel from settling or to achieve homogenization, it is usually necessary to stir the fluid medium inside the vessel. The design should minimize the energy consumed by stirring and avoid the existence of dead zones in the stirring. Summary of the Invention

[0003] The purpose of this invention is to provide an adaptive centrifugal submersible mixer that saves energy and eliminates dead zones in the mixing process.

[0004] The technical solution adopted by this invention to solve the above-mentioned technical problems is as follows: An adaptive centrifugal submersible mixer is provided, comprising a rotatable central shaft located inside the mixing vessel, a sliding rod horizontally fixed on the central shaft perpendicular to it, and a motor and its driven thrust agitator mounted on the sliding rod via a sliding seat, which can move radially within a limited range. The sliding seat is subjected to the centripetal tension of a spring, and the sliding rod's range of movement relative to the sliding seat is set at a near-axial position and an extreme position. A bottom bearing is configured at the lower end of the central shaft, and the bottom bearing is located on the bottom wall of the vessel. The speed of the motor is controllable and obtains power from the outside through a hollow connection between the sliding rod and the central shaft. During operation, after the motor is started, the thrust agitator rotates. While stirring the fluid medium inside the vessel, its reaction force also causes the sliding rod to rotate around the central shaft, thus the thrust agitator also stirs around the central shaft at various points inside the vessel. At slow speeds, the thrust agitator stirs with a small radius circumference at the near-axial position; as the speed increases, the centrifugal force causes the motor and thrust agitator to increase their overall radius of motion until they reach the large radius circumference stirring at the extreme position. It is evident that by controlling the speed of the electric motor, the motion trajectory of the thrust agitator can be changed to different radii within the vessel, thereby eliminating dead zones in the agitator. Furthermore, the power of this agitator design acts directly on the fluid medium that needs to be agitated, and its reaction force is also used to change the agitation position, resulting in minimal wasted effort or excess energy loss during the agitation process.

[0005] When the liquid level is deep enough to penetrate the central axis of the mixing vessel, more than one sliding rod and its auxiliary sliding seat, motor and thrust agitator can be arranged vertically along the central axis.

[0006] The beneficial effects of this invention are that the mixer consumes less energy during the mixing process of the fluid in the vessel, and there are no dead zones in the vessel. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of an adaptive centrifugal submersible mixer.

[0008] Figure 2 yes Figure 1 Top view.

[0009] In the diagram: 1. Electric motor; 2. Thrust stirrer; 3. Sliding seat; 4. Sliding rod; 5. Spring; 6. Bottom bearing; 7. Central shaft; 8. Bottom wall. Detailed Implementation

[0010] Figure 1 This is an embodiment of an adaptive centrifugal submersible mixer, wherein the mixing vessel is designed with a rotatable central shaft 7. A sliding rod 4 is horizontally fixed to the central shaft 7, perpendicular to it. A motor 1 and its driven thrust stirrer 2 are mounted on the sliding rod 4 via a sliding seat 3, allowing radial movement within a defined range. The sliding seat 3 is subjected to the centripetal force of a spring 5. The sliding rod 4 has a near-axial position and an extreme position relative to the sliding seat 3. A bottom bearing 6 is located at the lower end of the central shaft 7, mounted on the bottom wall 8 of the vessel. The speed of the motor 1 is controllable, and it receives power from the outside through the hollow connection between the sliding rod 4 and the central shaft 7.

Claims

1. An adaptive centrifugal submersible mixer, comprising a rotatable central shaft (7) located inside a mixing vessel and a sliding rod (4) horizontally fixedly mounted on the central shaft (7) perpendicular to it, characterized in that: A motor (1) and its driven thrust stirrer (2) are mounted on the sliding rod (4) via a sliding seat (3), which can move radially along the sliding rod (4) within a limited range. The sliding seat (3) is subjected to the centripetal pulling force of the spring (5). The motor (1) obtains power from the outside through the hollow connection between the sliding rod (4) and the central shaft (7). The reaction force generated by the rotation of the thrust stirrer (2) drives the sliding rod (4) to rotate around the central shaft (7).

2. The adaptive centrifugal submersible mixer as described in claim 1, characterized in that: The lower end of the central shaft (7) is provided with a bottom bearing (6), which is located on the bottom wall (8) of the vessel.

3. The adaptive centrifugal submersible mixer as described in claim 1, characterized in that: The sliding rod (4) is configured with a near-axis position and an extreme position for the movement range of the sliding seat (3).

4. The adaptive centrifugal submersible mixer as described in claim 1, characterized in that: The sliding rod (4) and its auxiliary sliding seat (3), motor (1) and thrust stirrer (2) can be arranged up and down along the central axis (7) in more than one way.

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