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Improvement method of centrifugal pump impeller design

A centrifugal pump impeller and impeller technology, which is applied to parts, pumps, and pump components of pumping devices used for elastic fluids, can solve problems such as the inability to combine similarity conversion algorithms and velocity system methods, and achieve breakthroughs in limitations and improvements. The effect of work efficiency

Inactive Publication Date: 2011-08-10
SHANGHAI EAST PUMP(GRP) CO LTD
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an improved method for the design of centrifugal pump impellers, so as to solve the problem that the existing centrifugal pump impellers cannot be well combined with the similarity conversion method and the velocity system method when designing

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  • Improvement method of centrifugal pump impeller design
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  • Improvement method of centrifugal pump impeller design

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Embodiment Construction

[0022] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0023] The present invention is an improved method for the impeller design of a centrifugal pump, which is mainly used to solve the problem that when the impeller design of the existing centrifugal pump is usually based on the unitary flow theory, the similar conversion method or the velocity system method is used for design, which is convenient. There is a problem that the working efficiency of the designed centrifugal pump is not high because the similarity conversion method and the velocity system method cannot be organically combined in the design. For this reason, on the basis of traditional centrifugal pump impeller design, effective improvements are made, and the similarity conversion method is organically combined with the speed system meth...

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Abstract

The invention discloses an improvement method of centrifugal pump impeller design. Based on the unary flow theory, the traditional similar conversion method and the speed coefficient method are organically combined together in the method, so that the work efficiency of a designed centrifugal pump is better improved. By simple improvement based on the traditional design method, the centrifugal pump can fulfill the purposes of saving energy and reducing consumption by simple design; and meanwhile, during designing, drawing of a hydraulic axial surface projection graph of the centrifugal pump impeller can be properly adjusted according to the structure requirements, so the limitation of the similar design method is broken on design.

Description

technical field [0001] The invention relates to the field of centrifugal pumps, in particular to an improved method for designing impellers of centrifugal pumps that can effectively improve the working efficiency of centrifugal pumps. Background technique [0002] For any country, energy is an important material basis for developing the national economy and improving human living standards. With the rapid development of our country's economy and the decrease of global energy, saving energy has become the focus of attention. Pump products are a kind of fluid machinery, and the domestic demand is very large. 20%-25% of the annual power generation is consumed on pump products. As a water pump that works according to the centrifugal principle, the centrifugal pump drives the water to rotate through the high-speed rotating impeller blades during work, and throws the water out, so as to achieve the purpose of transportation. About 50%, it has become one of the indispensable mecha...

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Application Information

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IPC IPC(8): F04D29/22
Inventor 吴永旭钟晓亮
Owner SHANGHAI EAST PUMP(GRP) CO LTD
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