用公式:N=(HQρ)/(102η)计算。N-轴功率(KW)H-扬程(m)Q-流量(m3/s)ρ-密度(kg/m3),循环水密度取1000η-泵效率则:N=(30X8500/3600X1000)/(102X0.72)=964.5KW
30*8500*9.8/0.72/3600[千瓦]