Rotational flow pump impeller for blade fixing through guide rails

A technology for fixing blades and guide rails, which is applied to pumps for special fluids, parts of pumping devices for elastic fluids, pumps, etc., and can solve problems such as reducing the efficiency of swirl pumps

Active Publication Date: 2020-10-20
JIANGSU UNIV ZHENJIANG RES INST OF FLUID ENG EQUIP TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the entire pressurized water chamber of the swirl pump is filled with circulating flow and through flow, and the circulating flow does not do work on the fluid in a certain sense, thus reducing the efficiency of the swirl pump

Method used

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  • Rotational flow pump impeller for blade fixing through guide rails
  • Rotational flow pump impeller for blade fixing through guide rails
  • Rotational flow pump impeller for blade fixing through guide rails

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Experimental program
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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0020] Such as Figure 1 to Figure 5 As shown, a semi-open impeller with guide rail fixed blades according to the present invention includes a rear cover plate 1, a hub 2, guide rails 3 and blades 4, and the guide rail 3 is provided with guide rail installation grooves 5, bolt holes 6, Counterbore 7 and step 8, described counterbore 7 is set on described guide rail mounting groove 5, and described step 8 is arranged on the side of described counterbore 7, and described bolt hole 6 is arranged on described step 8, The blade 4 is provided with a blade installation groove 9 .

[0021] Preferably, there are 8 guide rails 3 in total, specifically, 8 guide rails 3 are evenly distributed on the rear cover 1 .

[0022] Preferably, the diameter of the bolt hole 6 is 5mm.

[002...

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PUM

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Abstract

The invention relates to a semi-open type rotational flow pump impeller. A rear cover plate, a hub, blades and the guide rails are included. The guide rails are provided with installing grooves. The blades are fixed through the installing grooves in the guide rails. According to the rotational flow pump impeller designed through a design method, different blades can be replaced according to the particle situation, and accordingly the purpose of changing the blade height and the blade length is achieved. According to the rotational flow pump impeller designed through the design method, passingperformance of the rotational flow pump is well guaranteed, the pump interior flowing situation is improved, and the lift and efficiency of the rotational flow pump are improved.

Description

technical field [0001] The invention relates to the technical field of swirl pump impellers, in particular to a swirl pump impeller with guide rails for fixing blades. Background technique [0002] A swirl pump is a device named for the swirling vortex motion of its internal fluid. Swirl pumps are mostly used to pump complex media or fluids containing impurities, such as two-phase fluids containing garbage, short fiber materials or feces. The working process of the swirl pump is an extremely complex three-dimensional, turbulent, two-phase flow. Its excellent flow capacity has been widely used in sewage and sewage transportation, especially for multiphase media containing a certain proportion of gas. It shows superior performance in the mixed transportation of rural biogas digesters and chemical gas-containing materials. [0003] The impeller of the swirl pump retracts in the chamber of the volute, so the vaneless chamber has a spacious space, and because there is a large g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/22F04D29/24F04D29/62F04D15/00F04D7/04
CPCF04D29/2238F04D29/24F04D29/628F04D15/0055F04D7/04
Inventor 董亮郭超代翠刘厚林张宇航朱建成熊伟
Owner JIANGSU UNIV ZHENJIANG RES INST OF FLUID ENG EQUIP TECH
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