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Centrifugal pump

A centrifugal pump and pump head technology, applied in the field of centrifugal pumps, can solve the problems of unsatisfactory service life and high price of centrifugal pumps, and achieve the effects of low noise, good dynamic balance and improved use efficiency

Inactive Publication Date: 2014-07-09
GUANGZHOU TEYU ELECTROMECHANICAL
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AI Technical Summary

Problems solved by technology

[0002] In the prior art, in order to realize the long-distance transportation of liquid, high-power centrifugal pumps are often used to achieve this, but such centrifugal pumps are often expensive and their service life is not satisfactory
Therefore, connecting small-power centrifugal pumps in series to increase the distance of liquid transportation is an effective method, but how to reasonably combine low-power centrifugal pumps is still a problem to be solved

Method used

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  • Centrifugal pump
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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] Such as figure 1 and 2 As shown, the centrifugal pump of the present invention is composed of a housing 1, an impeller and a motor. A motor slot and a pump head are arranged in the housing, and the pump head is provided with a water inlet and a water outlet; the motor includes a first The motor 201 and the second motor 301, the impellers include the first impeller 202 and the second impeller 302, the first motor 201 and the second motor 301 are arranged side by side in the first and second motor slots of the housing 1 respectively, the The first impeller 202 and the second impeller 302 are respectively arranged in the first and second pump heads of the casing 1 and are matched with the first motor 201 and the second motor 201 to form pump I2 and pump II3. The water outlet of the first pump head It communicates with the water ...

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Abstract

The invention discloses a centrifugal pump which is composed of a shell, impellers and direct-current brushless motors. Motor grooves and pump heads are arranged in the shell, and each pump head is provided with a water inlet end and a water outlet end; the motors include the first motor and the second motor, the impellers include the first impeller and the second impeller, the first motor and the second motor are respectively arranged in the first motor groove and the second motor groove of the shell, the first impeller and the second impeller are respectively arranged in the first pump head and the second pump head of the shell and form a pump I and a pump II by matching with the first motor and the second motor, and the water outlet end of the first pump head is communicated with the water inlet end of the second pump head. The centrifugal pump is low in cost, long in service life, high in lift and applicable to widespread popularization and application.

Description

technical field [0001] The invention relates to a pump, in particular to a series multistage centrifugal pump with multiple motors. Background technique [0002] In the prior art, in order to realize the long-distance transportation of liquid, a high-power centrifugal pump is often used to realize it, but this kind of centrifugal pump is often expensive and the service life is not satisfactory. Therefore, connecting small-power centrifugal pumps in series to increase the liquid transportation distance is an effective method, but how to reasonably combine low-power centrifugal pumps is still a problem to be solved. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a series multi-motor multi-stage centrifugal pump, which can not only achieve a higher head, but also has lower cost compared with a single-motor multi-stage centrifugal pump. And the service life is also greatly increased....

Claims

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Application Information

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IPC IPC(8): F04D13/14
Inventor 张鹏
Owner GUANGZHOU TEYU ELECTROMECHANICAL
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