泵与泵站课程设计范文

在当今的科学发展飞速的新时代，越来越多的高科技开始运用于我们的学习、工作和生活当中。科技，已成为我们走向高质量生活的一座桥梁，一根绳梯。ofvision.3,build,fittinginwiththeurbanmasterplaninYibincityrapidrailtransitlongtermnetwork,aswellasthevisionofYibincity,andfuturedevelopmentofrailtransitnetwork.4,Yibincity,preliminaryrailtrafficlevelsservicelevels,systemmodel,andtechnicalstandards.5,toensurethatnetworkcanbeimplemented.6,stableconditionsforplanningandsupportingofYibincitytracktrafficconstructionandformationofrailtransitindustry,provideconditionsforthestart-upanddevelopmentofrailtransitinYibincity.1.7technicalcoursetechnologyistheproject'sresearchprogramandresearchideas.Technologyreflectsthevariousstagesintheprocess,logicalrelationsbetweenvariouslevels,research,techniquesandphases.Networkplanningprocessthewholeprocesscanbedividedintofourparts,namely,backgroundresearch,networkarchitectureresearch,planningandimplementationofresearchandprogramminginterfaces.Figure1.7-1Yibincityrailtransitnetworkplanningtechnologyroadmapplanninginterfaceismainlyresponsiblefornetworkplanninginterfacewithfollow-upplanningtasks.NetworkplanningUrbanplanningsysteminatransitionalposition,onlinenetworkplanningiscompleted,willbecarriedoutassoonaspossiblethefollowingplanningprojects:1,detailedcontrolofthelandofrapidrailtransitnetworkplanning;2,thepartitioningfornetworkplanning;3,jointplanningofrailtransportandurbantransportinotherways;Detailedtechnicalcoursesseebelow.Figure1.7-2Generaltechnologyroutefigure2ndchapterCitystatusanddevelopmentplanning2.1citybasicprofile2.1.1※设计资料表一给泵站设计参数1．设计流量的确定和设计扬程估算（1）设计流量Q考虑到输水干管漏损和净化场本身用水，取自用水系数α＝1.05，则：近期设计流量为331000001.054375/1.215/24Qmhms近远期设计流量为331500001.056562.5/1.823/24Qmhms远（2）设计扬程H1)泵所需静扬程HST自流管设计设计流量Q1＝75%Q=75%×1.215=0.9115m3/s取经济流速v＝1.5m/s，计算得1440.91158803.141.5QDmmv查设计手册，采用两条DN920×10钢管作为自流管，流速v＝1.43m/s，i＝0.00251通过取水部分的计算已知在最不利情况下（即当一条自流管检修时，另一条自流管应通过75％设计流量）即：Q2＝75％Q远＝75%×1.823=1.3673m3/s查设计手册得：v=2.17m/s,i=0.00578从取水头部到泵房吸水间的全部水头损失为：h沿程=i•L=0.00578×180=1.04m则吸水间中最高水面标高为22.5-1.04=21.46m序号近期流量（万t/d）远期流量（万t/d）地面标高（m）洪水位标高（m）枯水位标高（m）常水位标高（m）净水配水井水面标高（m）自流引水管长（m）输水干管长（m）2101523.022.519.221.031.61801800在当今的科学发展飞速的新时代，越来越多的高科技开始运用于我们的学习、工作和生活当中。科技，已成为我们走向高质量生活的一座桥梁，一根绳梯。ofvision.3,build,fittinginwiththeurbanmasterplaninYibincityrapidrailtransitlongtermnetwork,aswellasthevisionofYibincity,andfuturedevelopmentofrailtransitnetwork.4,Yibincity,preliminaryrailtrafficlevelsservicelevels,systemmodel,andtechnicalstandards.5,toensurethatnetworkcanbeimplemented.6,stableconditionsforplanningandsupportingofYibincitytracktrafficconstructionandformationofrailtransitindustry,provideconditionsforthestart-upanddevelopmentofrailtransitinYibincity.1.7technicalcoursetechnologyistheproject'sresearchprogramandresearchideas.Technologyreflectsthevariousstagesintheprocess,logicalrelationsbetweenvariouslevels,research,techniquesandphases.Networkplanningprocessthewholeprocesscanbedividedintofourparts,namely,backgroundresearch,networkarchitectureresearch,planningandimplementationofresearchandprogramminginterfaces.Figure1.7-1Yibincityrailtransitnetworkplanningtechnologyroadmapplanninginterfaceismainlyresponsiblefornetworkplanninginterfacewithfollow-upplanningtasks.NetworkplanningUrbanplanningsysteminatransitionalposition,onlinenetworkplanningiscompleted,willbecarriedoutassoonaspossiblethefollowingplanningprojects:1,detailedcontrolofthelandofrapidrailtransitnetworkplanning;2,thepartitioningfornetworkplanning;3,jointplanningofrailtransportandurbantransportinotherways;Detailedtechnicalcoursesseebelow.Figure1.7-2Generaltechnologyroutefigure2ndchapterCitystatusanddevelopmentplanning2.1citybasicprofile2.1.12最低水面标高为19.2-1.04=18.16m。所以泵所需静扬程HST为：枯水位时，Hmax=31.6-18.16=13.44m洪水位时，Hmin=31.6-21.46=10.14m2）输水干管中的水头损失Σh设采用两条DN920×10钢管并联作为原水输水干管，当一条输水管检修时，另一条输水管应通过75％的设计流量（按远期考虑），即：Q＝75％Q远=75％×6562.5=4922m3/h=1.367m3/s,查水力计算表得管内流速v＝2.17m/s，i＝0.00578，所以Σh＝1.1×0.00578×1800＝11.44m（式中1.1系包括局部损失而加大的系数）。3）泵站内管路中的水头损失hP粗估为2m则泵设计扬程为：枯水位时，Hmax＝13.44+11.44+2+2＝28.88m洪水位时，Hmin＝10.14+11.44+2+2＝25.58m2．初选泵和电机近期三台20sh－13型泵（流量Q＝1550～2410m3/h，扬程H＝40～30m，泵轴功率N＝206～246.5kv，允许吸上真空高度Hs＝4m），两台工作，一台备用。远期增加一台同型号泵，三台工作一台备用。根据20sh－13型泵的要求选用JS-137-6型异步电动机（280kw，380v，水冷式）。表二20sh-13型泵的主要性能参数流量Q（m3/h）扬程H（米）转速n(转/分)泵轴功率N(kw)允许吸上真空高度Hs(m)效率η（%）泵重(公斤)价格（元）1550～241040～30970206～246.5480～8823405577表三配套电机性能功率(kw)转速(转/分)重量(公斤)价格（元）28098619007000在当今的科学发展飞速的新时代，越来越多的高科技开始运用于我们的学习、工作和生活当中。科技，已成为我们走向高质量生活的一座桥梁，一根绳梯。ofvision.3,build,fittinginwiththeurbanmasterplaninYibincityrapidrailtransitlongtermnetwork,aswellasthevisionofYibincity,andfuturedevelopmentofrailtransitnetwork.4,Yibincity,preliminaryrailtrafficlevelsservicelevels,systemmodel,andtechnicalstandards.5,toensurethatnetworkcanbeimplemented.6,stableconditionsforplanningandsupportingofYibincitytracktrafficconstructionandformationofrailtransitindustry,provideconditionsforthestart-upanddevelopmentofrailtransitinYibincity.1.7technicalcoursetechnologyistheproject'sresearchprogramandresearchideas.Technologyreflectsthevariousstagesintheprocess,logicalrelationsbetweenvariouslevels,resear