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High-efficiency submersible mixer

A submersible mixer, high-efficiency technology, used in mixer accessories, mixers with rotating mixing devices, mixers, etc., can solve the problem of inability to effectively guarantee the use efficiency, and achieve significant energy-saving effect, small friction loss, and good lubrication. Effect

Inactive Publication Date: 2018-10-16
SHANGHAI MEISHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The relationship between the change of the impeller blade shape of the submersible mixer and the flow field, and the improvement of its use efficiency cannot be effectively guaranteed

Method used

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  • High-efficiency submersible mixer

Examples

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Effect test

Embodiment 1

[0020] Embodiment 1: see figure 1 , a high-efficiency submersible mixer, the submersible mixer includes a guide tube 1, a guide cover 3, an oil chamber 5, a motor 6, a transmission shaft, an impeller and a cable 8, and the guide tube 1 is connected to the guide cover 3, The impeller is connected to the motor through the transmission shaft, and the rotation of the motor drives the impeller 2 to rotate synchronously. The mixer also includes a mechanical seal 4. The seal of the motor oil chamber adopts the method of connecting two single-end mechanical seals in series, and the mechanical seal is located at the end of the motor oil chamber. part, connected with the motor drive shaft. The lubricating oil in the oil chamber can lubricate the mechanical seal, reduce friction, reduce the mechanical loss of the submersible mixer during operation, reduce the power consumption of the submersible mixer during operation, and increase the reliability and service life of the mechanical seal ...

Embodiment 2

[0021] Example 2: see figure 1 , as an improvement of the present invention, the included angle between the shroud 3 and the shroud 1 is 120 degrees, and the ratio of the length of the shroud to the diameter of the shroud is set to 0.45. The radial flow formed by stirring is more transformed into axial flow, the axial flow is increased and the flow direction is controlled, and the circulation flow is increased to ensure that the impeller generates the maximum thrust during rotation and forms the best agitation flow field.

Embodiment 3

[0022] Embodiment 3: see figure 1 , as an improvement of the present invention, the impeller 2 is a propulsive stainless steel impeller, the blades are stamped and welded to the hub, the blades are swept back, and the angle is set to 20 degrees. The optimized impeller has large thrust, high efficiency, self-cleaning function, and is not easy to be blocked.

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Abstract

The invention relates to a high-efficiency submersible mixer. The submersible mixer is characterized in that the submersible mixer comprises a flow guide cylinder, a flow guide cover, an oil chamber,a motor, a transmission shaft, an impeller and a cable; the flow guide cylinder is connected with the flow guide cover; the impeller is connected with the motor through the transmission shaft; and themotor rotates to drive the impeller to rotate synchronously. The lubricating oil in the oil chamber exerts a good lubricating function for mechanical sealing during the rotation process of the impeller, so that the friction loss of mechanical sealing and the bearing is small. The optimized rear-sweep impeller generates a large thrust, and the axial jet is greatly increased by the flow guide coverdesigned through the hydraulic optimization, so that the mixture is fully mixed and homogenized, the liquid flow is accelerated, and suspended matter in the liquid is prevented from settling. Compared with other submersible mixer, the submersible mixer provided by the invention has the efficiency improved by 20%, and the energy-saving effect is remarkable.

Description

technical field [0001] The invention relates to a mixer, in particular to a high-efficiency submersible mixer, and belongs to the technical field of energy equipment. Background technique [0002] The submersible mixer is the key equipment in the regulating tank of the sewage treatment process. It can realize the homogeneous and flowing process requirements of the solid-liquid two-phase flow in the sewage in the regulating tank during the biochemical process. It is suitable for the occasion of solid-liquid mixing. Through the submersible mixer Stirring prevents the sedimentation and stratification of suspended solids. The submersible mixer has high safety and stable operation. The stirring angle can be adjusted freely to stir suspended solids in all directions in the pool. Due to the unreasonable part of the structural design of the submersible mixer, its use efficiency is low and the service period is short. This invention aims at the problems that occur during the use of t...

Claims

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Application Information

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IPC IPC(8): B01F7/04B01F15/00C02F1/00
CPCC02F1/00B01F27/70B01F2035/351B01F35/3212B01F35/3204
Inventor 罗浩张春其杜鹏
Owner SHANGHAI MEISHAN IRON & STEEL CO LTD
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