To ensure the impeller head and flow ratings, shaft power should be reduced, to reduce energy consumption, and improve impeller efficiency so as to save energy.
为保证叶轮的扬程和流量，必须降低轴功率，减少能耗，提高叶轮的效率，才能达到节能减耗的效果。
The intermediate demister shapes air flow swirl generated by impeller rotation to get bigger particle and improve the arresting efficiency of the next filter screen.
中间除雾装置将叶轮旋转而成的气流旋涡整形，使得粒子进一步变大，从而提高下一个滤网的捕集效率。
CAD method for improving design quality and efficiency of centrifugal pump impeller is provided.
本文为提高离心泵叶轮的设计质量及效率提供了一个新的方法。
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