附表6：采暖水泵选型计算书HWP451扬程计算H（（H1H2）H3）11（mH2O）其中H：水泵扬程（mH2O）H1：管路沿程阻力（mH2O）H2：管路局部阻力（mH2O）H3：设备阻力（蒸发器末端）（mH2O）序号管路规格管径m
采暖水泵计算表2
2006年4月25日
长度m流速ms
比磨阻力沿程阻力沿程阻力备注mH2O（pampa
一、H1Σ管长比摩阻（mH2O）最不利环路选择：板式换热器水泵1层供水管路末端散热器回水管路板式换热器H112348910合计H2H1LhfDN400DN125DN100DN80DN32DN25DN2004012501008003200253020101208050603037020018018015009507007084298394361428343471168029804728028880214002058014130017制冷机房030制冷机房4732892142061411369
H2ΣζρＶ２／２规格DN125DN100DN80DN32DN25DN20DN150DN100DN80DN50DN32DN25DN20DN125100DN10080DN8050DN5032DN3225DN2520DN250DN200DN125数量41661010642222162222222222流速局部阻力单位阻力局部阻力局部阻力mH2OVms系数ζ（pa个pa18002642116848001718002642167392006715002629317550001809502611711732501207002664637000060700266438220004202652020800002118165267353460005315165185637125003711165998199650020095165745148913015071654046468000650716540480850008180018292583200061800182925832000615001820340500004110018109217800020950188116245002070018448820001200018360720000072000183607200000720001836072000007
序号部件567111213141819222425272829313334363738弯头弯头弯头弯头弯头弯头三通三通三通三通三通三通三通大小头大小头大小头大小头大小头大小头蝶阀蝶阀蝶阀
f4041424445464748合计H1：
闸阀球阀过滤器止回阀软接头软接头软接头软接头
DN20DN20DN125DN125DN250DN200DN125DN40
11112222
070070200200200200200095
027027300200018018018018
66666000400036036036081
6615661560000040000072000720007200016245
001001060040007007007002509
管路沿程阻力）（mH2O）H11369H2：管路局部阻力）（mH2O）H2509H3：设备水阻力（板式换热器水阻力3m散热器盘管2m）（mH2O）H35H：系统阻力总合H（（H1H2）H3）11（mH2O）H26162轴功率N流量（m3h扬程（mH2O）367效率Q：水泵流量（m3h系统总水量为120ls其中裙楼14层424台散热器水量40ls塔楼及地下室约600台散热器水量80lsQ144（m3hH：水泵扬程（m3h（mH2O）H2616η：效率η075N：水泵轴功率（KWN1369（KW3水泵电机r