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Centrifugal pump with eccentric structure

An eccentric structure and centrifugal pump technology, which is applied to pumps, parts of pumping devices for elastic fluids, pump components, etc., can solve problems such as high production costs and poor manufacturing precision, and achieve reduced manufacturing costs and improved processing Manufacturing accuracy and the effect of improving the roughness of the inner surface

Inactive Publication Date: 2007-05-30
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the defects of high production cost and poor manufacturing precision of existing centrifugal pumps, the present invention provides a centrifugal pump with an eccentric structure that can reduce production costs and have high manufacturing precision

Method used

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  • Centrifugal pump with eccentric structure
  • Centrifugal pump with eccentric structure
  • Centrifugal pump with eccentric structure

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Embodiment Construction

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

[0017] Referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a centrifugal pump with an eccentric structure includes a pump body 1, a pump cover 3 and an impeller 2, the impeller 2 is located in the pump body 1, and the pump body 1 includes an inner cavity 4, an outlet flange section 5, and a tongue 6, the outlet flange section 5 is fixedly connected to the inner cavity 4, and the inner cavity 4 is a regular cavity with an equal radius circle, so The center of the pump body 1 and the center of the impeller 2 have an eccentricity.

[0018] The pump cover 3 includes a pump body notch 7 and a bearing body notch 8, and the center of the pump body notch 7 and the center of the bearing body notch 8 on the pump cover are eccentric. A partition tongue 6 is installed on the inner cavity 4 near the inlet of the outlet flange section 5 .

[0019] The structure of the pump body is sho...

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Abstract

The invention relates to a centrifugal pump with eccentric structure, comprising pump body, pump cover and impeller. Said pump body comprises internal cavity, outlet flange segment, baffle tongue. Said outlet flange segment is fixed with internal cavity. Said internal cavity is regular cavity with circle of equal radius. Said centre of pump body have eccentric distance with the centre of impeller. The invention provides a centrifugal pump with eccentric structure, which is provided with manufacturing cost decreased, high manufacturing accuracy.

Description

(1) Technical field [0001] The invention relates to a centrifugal pump. (2) Background technology [0002] The pump body collects the conveying medium at the outlet of the impeller and discharges it out of the pump body, and at the same time converts the velocity energy into pressure energy. The area of ​​each cross-section is different, and changes evenly according to a certain rule. The closer to the outlet of the pump body, the larger the area will be. The specific structure is shown in Fig. 1 and Fig. 2. The centrifugal pump includes a pump body 1, a pump cover 3 and an impeller 2. Since the size of each section of the pump body is different, it can only be manufactured by casting, which has disadvantages such as high production cost, poor manufacturing precision, and unsatisfactory roughness, which will affect the overall cost and operating performance of the pump unit. etc. are disadvantageous. (3) Contents of the invention [0003] In order to overcome the defect...

Claims

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Application Information

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IPC IPC(8): F04D29/42F04D1/00
Inventor 牟介刚张生昌胡军郑水华邓鸿英
Owner ZHEJIANG UNIV OF TECH
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