1.8.1水泵的选择SelectionofPump13课件讲解.pptx

1.8.1水泵的选择SelectionofPumps

一、水泵Waterpump（1）卧式泵Horizontalpumps（2）立式泵Verticalpumps1.建筑给水系统的水泵类型：离心泵Pumptypesofbuildingwatersupplysystems:centrifugalpump

一、水泵Waterpump水泵流量Pumpflow无水箱Tank-less设计秒流量Designflowpersecond有水箱Withtank不应小于最大小时用水量Shouldnotbelessthanthemaximumhourlywaterconsumption（1）流量确定Determinationofflow2.水泵的选择Selectionofpumps

一、水泵Waterpump无水箱Tank-less扬程=高差+水头损失+工作压力Lift=heightdifference+headloss+workingpressure有水箱Withtank从水池吸水Suckwaterfrompools从室外管网吸水Suckwaterfromoutdoorpipenetworks扬程+外网水压Lift+externalnetworkwaterpressure=高差+水头损失+工作压力=heightdifference+headloss+workingpressure从水池吸水Suckwaterfrompools从室外管网吸水Suckwaterfromoutdoorpipenetworks扬程Lift=高差+水头损失+流速水头=heightdifference+headloss+velocityhead扬程+外网水压Lift+externalnetworkwaterpressure=高差+水头损失+流速水头=heightdifference+headloss+velocityhead（2）扬程确定Determinationoflift2.水泵的选择SelectionofpumpsConnectedtomunicipalwatersupplynetworkWatertankConnectedtomunicipalwatersupplynetworkVariable-frequencyspeed-regulatingpumpReservoirReservoirReservoir

谢谢观看Thanksforwatching!