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Efficient permanent magnet submersible mixer with anti-winding function

A submersible mixer, anti-winding technology, applied in the direction of mixer accessories, mixers, dissolution, etc., can solve the problems of impeller imbalance, reduce the mixing effect, affect the sealing effect of mechanical seals, etc., to maintain balance accuracy and ensure long-term safe use Effect

Active Publication Date: 2022-04-19
NANJING POLYTECHNIC INSITUTE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, it affects the sealing effect of the mechanical seal, causing the liquid to enter the motor cavity, causing damage to the motor; on the other hand, it affects the heat dissipation of the sealing surface
Both of the above aspects affect the service life of the mechanical seal
[0004] 2. During operation, some fibers will be entangled at the connection between the blade and the hub, which will reduce the mixing effect on the one hand, and cause imbalance of the impeller on the other hand, affecting the long-term safe use of the mixer

Method used

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  • Efficient permanent magnet submersible mixer with anti-winding function
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  • Efficient permanent magnet submersible mixer with anti-winding function

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Embodiment Construction

[0023] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] The following description is merely exemplary in nature and not intended to limit the disclosure, application or use. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

[0025] It should be noted that, for the convenience of description, the following term "front end" is figure 1 and figure 2 The left end in the middle indicates the installation orientation of the impeller relative to the motor; the "rear end" is figure 1 and figure 2 The right end of the figure indicates the installation orientation of the motor relative to the impeller.

[0026] Embodiments of the present invention provide a high-efficiency permanent magnet submersible mixer with anti-winding function, such as figure 1 As shown, it includes an impeller 1, a mechanical seal...

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Abstract

The invention provides an efficient permanent magnet submersible mixer with an anti-winding function, which comprises an impeller and a mechanical sealing seat, the mechanical sealing seat is provided with an annular sealing groove, and the hub end part of the impeller is in clearance fit with the sealing groove; a first spiral body is arranged on the periphery of the outer side face of the end of the hub, and water flow generated by rotation of the first spiral body flows from the direction close to the mechanical sealing seat to the direction away from the mechanical sealing seat. According to the efficient permanent magnet submersible mixer with the anti-winding function, fiber materials can be effectively prevented from entering the cavity of the hub, fibers can be prevented from being wound on the impeller, and the mixer can run reliably for a long time.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a high-efficiency permanent magnet submersible mixer with an anti-winding function. Background technique [0002] The submersible mixer is widely used in the treatment of domestic sewage and industrial wastewater. The motor of the submersible mixer is a three-phase asynchronous motor, which is based on the continuous duty of the continuous duty system (S1), and consumes a lot of energy. If the submersible mixer adopts a high-efficiency three-phase permanent magnet synchronous motor, it has great space and advantages in improving efficiency and power factor, and can effectively reduce the user's operating costs. However, the composition of domestic sewage and industrial wastewater is complex and contains a large amount of fibers. Even after being intercepted by the previous process, a small amount of fine fibers still enter the pool where the submersib...

Claims

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Application Information

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IPC IPC(8): B01F33/00B01F35/00B01F35/10B01F35/11B01F35/30B01F35/45
Inventor 宋伟朱超云李冰峰胡虹
Owner NANJING POLYTECHNIC INSITUTE
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