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本文从离心泵运行工况出发，分析了离心泵在实际操作过程性能特征曲线随流量发生变化时的变化规律。通过对离心泵在各种变工况条件下所采用的流量调节控制方法的分析比较，可找出适合于离心泵在运行工况时的最佳流量调节方法，达到合于合理地选择泵型号，并在泵的实际运行过程中切实有效地提高能量转化利用率。
Based on the operating conditions of centrifugal pumps, this paper analyzes the variation rules of centrifugal pump performance curves with the flow rate changes. Through the centrifugal pump in a variety of conditions under the conditions of flow control methods used in the analysis and comparison can be found for the centrifugal pump in the operating conditions of the best flow adjustment method to meet the reasonable choice of pump model , And effectively and effectively improve the energy conversion and utilization rate in the actual operation of the pump.