A Non-clogging Discontinuous Vane Pump Impeller

A vane pump, non-clogging technology, which is applied to parts, pumps, and pump elements of pumping devices used for elastic fluids, and can solve the problems of steep flow-head performance curve, damage to the impeller surface of centrifugal pumps, and large impeller wear, etc. problems, to achieve the effect of good passing performance, convenient processing and assembly, and small impeller wear

Active Publication Date: 2015-12-09
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the existing fluid delivery pumps are centrifugal pumps, and the impeller structure has two types: closed type and open type. However, the main problem of the existing fluid delivery is that the fluid medium and the impeller must be in contact, resulting in large wear of the impeller and serious cavitation. Cause serious damage to the surface of the impeller of the centrifugal pump, especially when the conveying medium contains high-hardness particles, this phenomenon is more serious
In addition, the existing centrifugal pump has a narrow high-efficiency range, a steep flow-head performance curve, and generally low efficiency when transporting high-viscosity, high-concentration fluid media

Method used

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  • A Non-clogging Discontinuous Vane Pump Impeller
  • A Non-clogging Discontinuous Vane Pump Impeller
  • A Non-clogging Discontinuous Vane Pump Impeller

Examples

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] refer to figure 1 , this example includes the driven wheel cover 1 and the driving wheel cover 5, the driven wheel cover 1 and the driving wheel cover 5 transition from the axial direction to the radial direction in the form of a circular arc and keep parallel to each other, the driven wheel cover 1 It is connected with the cover plate of the driving wheel 5 through the connecting plate 3 or the connecting column 6. The inner surface of the cover plate of the driven wheel and the cover plate of the driving wheel are respectively equipped with radial blades 2 in the form of arc transition, and the cover plate of the driven wheel 1 and the driving wheel 5 Keep a certain distance between the cover plates (generally determined according to the maximum particle diameter allowed to pass through).

[0030] refer to Figure 1a The radial straight blade...

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Abstract

The invention relates to an efficient non-plugging discontinuous impeller of a vane pump. The impeller comprises a drive wheel cover plate and a driven wheel cover plate; inlet segments of the drive wheel cover plate and the driven wheel cover plate are in transition from an axial direction to a radial direction in an arc or conical mode; the inner side surfaces of the drive wheel cover plate and the driven wheel cover plate are provided with radiate radial straight blades or single inclined straight blades or double inclined straight blades and double inclined composite blades which have a certain height and are in transition in an arc or conical mode; the blades between the drive wheel cover plate and the driven wheel cover plate are partially continuous or discontinuous, namely a blade area and a bladeless area exist. The impeller can deliver a multi-phase flow media and has the advantages of high efficiency, no plugging, abrasion resistance, high delivery lift, flat performance curve of flow delivery lift, wide working range, high cavitation resistance and stable operation.

Description

technical field [0001] The invention relates to an impeller, which is the main part of a pump, in particular to an impeller for a pump that efficiently transports high-viscosity, high-concentration, large solid particles, gas, or medium sensitive to shear. Background technique [0002] Most of the existing fluid delivery pumps are centrifugal pumps, and the impeller structure has two types: closed type and open type. However, the main problem of the existing fluid delivery is that the fluid medium and the impeller must be in contact, resulting in large wear of the impeller and serious cavitation. The surface of the impeller of the centrifugal pump is seriously damaged, especially when the conveying medium contains high-hardness particles, this phenomenon is more serious. In addition, existing centrifugal pumps have a narrow range of high-efficiency zones, steep flow-head performance curves, and generally low efficiency when transporting high-viscosity, high-concentration flu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D29/22
Inventor 陈国明尹树孟周昌静徐长航
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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