Multi-condition design method of multiphase pump impeller
A design method and multi-working-condition technology, applied to components, pumps, and pump components of pumping devices for elastic fluids, can solve problems such as reduced pump delivery efficiency, head, flow rate drop, and impact on pump performance, etc., to achieve Excellent hydraulic performance, high efficiency effect
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[0032] figure 1 with figure 2 Together determine the impeller shape of the embodiment. It is mainly composed of impeller front cover plate (1), impeller rear cover plate (4), blades (6) and hub (7), etc. The number of blades is 3. The present invention adjusts the impeller outlet diameter D through the following relations 2 (3) and impeller outlet width b 2 (5), so that the centrifugal pump performance of this embodiment meets the flow rate Q of our optimal efficiency working condition BEP , the head H of the optimal efficiency condition BEP , the flow Q of the i-th operating point i , the head H of the i-th operating point i , The impeller speed n requirements.
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[0038] In the formula: Q BEP ——the flow rate at the optimal efficiency working condition point, cubic meters per second;
[0039] H BEP ——The head of the optimal efficiency working point, m;
[0040] n sBEP - Specific number of revolutions; ...
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