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Novel submersible electric energy-saving pump

A submersible electric pump and submersible pump technology, applied in the direction of pumps, pump devices, pump components, etc., can solve the problems of increased frictional power consumption of submersible electric pumps, low conversion efficiency, motor sweeping, etc., and achieve easy implementation and simple structure. , the effect of saving electricity

Inactive Publication Date: 2015-06-10
山东光明泵业股份有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] At present, when the head of the commonly used submersible electric pump for wells is increased, the downward axial force generated by the pump increases sharply. This axial force is all borne by the thrust plate and thrust bearing, which is easy to accelerate the wear of the thrust bearing. The rotor sinks, the motor sweeps, and the motor is burned; it also leads to the increase of friction power consumption, high power consumption, and low conversion efficiency of the submersible pump. How to completely solve this problem and prolong the overall service life of the submersible pump has become The subject that technicians of various submersible pump manufacturers have been studying for many years

Method used

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Embodiment Construction

[0011] This new type of energy-saving submersible electric pump includes a submersible pump 1 and a submersible motor 6 matched with it. The main point of this technology is that an electromagnetic axial force balance device 4 is installed on the rotating shaft 2 between the submersible pump 1 and the submersible motor 6. The electromagnetic axial force balance device 4 is fixedly connected with the submersible pump 1 and the submersible motor 6 respectively through connecting flanges 3 and 5 .

[0012] The axial force balance device is composed of upper and lower bearing housings 8, 15 that match each other, a stator assembly 10 fixedly installed on the upper bearing housing 8, and a rotor assembly 11 independent of it above the lower bearing housing 15. The rotor assembly 11 Set in the middle casing 14 between the upper and lower bearing seats 8, 15, the rotor assembly 11 is set on the rotating shaft 2 through the supporting plate 13, and the outer parts of the upper and lowe...

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Abstract

The invention relates to a novel submersible electric energy-saving pump, and belongs to the field of submersible electric pumps. The novel submersible electric energy-saving pump comprises a submersible pump and a submersible motor matched with the submersible pump. The novel submersible electric energy-saving pump is technically characterized in that an electromagnetic axial force balancing device sleeves a rotating shaft between the submersible pump and the submersible motor, and the electromagnetic axial force balancing device is fixedly integrated with the submersible pump and the submersible motor through connection flanges respectively. Through the improvement, the novel submersible electric energy-saving pump disclosed by the invention has the advantages that the structure is simple, the implementation is easy to realize, the axial force of the submersible electric pump can be balanced, the abrasion of thrust bearings is effectively reduced, the frictional power consumption is reduced, the transfer efficiency is improved, the electric energy is saved, and the service life of the submersible electric pump is prolonged.

Description

technical field [0001] The invention belongs to the field of submersible electric pumps, and in particular relates to a novel energy-saving submersible electric pump which uses axial electromagnetic suction to balance the axial force of the submersible electric pump. Background technique [0002] At present, when the head of the commonly used submersible electric pump for wells is increased, the downward axial force generated by the pump increases sharply. This axial force is all borne by the thrust plate and thrust bearing, which is easy to accelerate the wear of the thrust bearing. The rotor sinks, the motor sweeps, and the motor is burned; it also leads to the increase of friction power consumption, high power consumption, and low conversion efficiency of the submersible pump. How to completely solve this problem and prolong the overall service life of the submersible pump has become It is a subject that the technicians of various submersible pump manufacturers have been ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/041F04D13/08
CPCF04D13/08F04D29/041
Inventor 孙肇升朱长来
Owner 山东光明泵业股份有限公司
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