["Cálculo da velocidade do gás de sopagem no tubo",,"Quando sopar, a velocidade deve ser maior que
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管线吹扫时要求速度大于20m/s,速度应该如何计算？
流速=体积流量/截面积
吹扫泵出口流量计算，出口流量根据电机转速与泵排量计算出流量。以流量与管径关系计算流速。管径不同流速不同。
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