泵站设计流量扬程选型安装参数计算表

水文基本参数最低水位设计水位最高水位提灌站一246.10247.60253.80提灌站二259.58261.40261.60提灌站三259.58261.40261.60提灌站四268.10269.10269.30一、设计流量的计算按计算公式确定Q设=∑mA/Ttη旱地灌水定额旱地面积水田灌水定额水田面积m旱(m3/hm2)A旱(hm2)m水(m3/hm2)A水(hm2)提灌站一44.50330.0011.64835.007.39提灌站二53.04330.0023.41835.005.04提灌站三43.67330.0011.76835.007.12提灌站四58.99330.001.00835.0015.50二、计算设计扬程进水池水位高程出水池水位高程设计净扬程管道损失扬程设计扬程△h进△h出△h净h损H设提灌站一247.60295.0047.407.1154.51提灌站二261.40300.0038.605.7944.39提灌站三261.40284.0022.603.3925.99提灌站四269.10300.0030.904.6435.54三、泵型选择网上下载水泵选型手册，对照流量、扬程等参数选择泵站设计流量水泵型号水泵额定流量水泵额定扬程水泵转速(m3/h)——(m3/h)(m)(r/min)提灌站一44.50100-65-250B52.3060.002900.00提灌站二53.04100-65-20060.0050.002900.00提灌站三43.6780-65-160A46.8028.002900.00提灌站四58.99100-65-200B86.6038.002900.00四、进出水管径确定2(Q/π/v)^0.5水泵额定流量Q(m3/s)v进(m/s)v出(m/s)D进(m)D出(m)提灌站一0.010.801.000.150.14提灌站二0.020.801.000.160.15提灌站三0.010.801.000.140.13提灌站四0.020.801.000.200.18五、水泵安装高程水泵额定流量水泵汽蚀余量进水管摩阻率进水管局部阻率水泵吸上真空高度Q(m3/s)NPSH(m)nξHs(m)提灌站一0.013.800.225.206.20提灌站二0.023.600.225.206.40提灌站三0.012.500.225.207.50提灌站四0.023.600.225.206.40编号Q设(m3/h)提灌站设计数据计算编号编号编号编号黄色为根据工程实际情况自填粉色为可改参数无色不需要修改管道经济流速经济管径一次灌水天数泵站日开机时数灌区渠系水利用系数灌水总量Ttη30.0010.000.7513349.1330.0010.000.7515911.6030.0010.000.7513101.3330.0010.000.7517696.67水泵轴功率配套功率水泵效率设计扬程流量设计扬程效率泵进口直径必须汽蚀余量(KW)(KW)(%)(m3/h)——m(NPSH)r19.7022.0072.000.203.8017.9022.0076.000.203.604.875.5073.000.202.509.9415.0067.000.203.60D进(m)D出(m)0.200.150.200.150.150.150.200.20修正吸上真空高度运行气温饱和水汽压进水管长进水管流速泵进口流速进水管水头损失Hs'(m)℃H汽(m)L(m)v(m3/s)V(m3/s)H吸损(m)6.0130.000.435.000.460.460.066.2130.000.432.000.530.530.077.3130.000.432.000.740.550.146.2130.000.432.000.770.770.16选取管径安装安全超高实际吸水高度进水池最低水位水泵安装高程mH实吸(m)mH安(m)0.305.64246.10251.740.305.82259.58265.400.306.85259.58266.430.305.72268.10273.82