凝泵说明书中英文

产品型号LDTNProductModelLDTN产品名称凝结水泵ProductNameCondensatePump安装使用说明书Installation&OperationManualSBW沈阳鼓风机集团有限公司ShenyangBlowerWorksGroupCo.,Ltd.2008年10月October2008SBWInstallation&OperationManualforCondensatePumpModel:LDTN1/17目录Contents泵的安装PumpInstallation-----------------------------------------------------------------21.产品型号、名称ProductModelandName---------------------------------------------22.用途及性能PurposeandPerformance---------------------------------------------------23.结构Structure-------------------------------------------------------------------------------34.安装Installation-----------------------------------------------------------------------------55.装配与解体AssemblyandDisassembly-----------------------------------------------116.安装（装配）过程中的注意事项PrecautionsduringInstallation--------------------12泵的使用PumpOperation-----------------------------------------------------------------137.启动前的准备工作PreparationbeforeStartup----------------------------------------138.启动与运行StartupandOperation------------------------------------------------------139.停机Shutdown-----------------------------------------------------------------------------1410.更换易损件ReplacementofWearingParts------------------------------------------1511.故障与分析TroubleandAnalysis-----------------------------------------------------16SBWInstallation&OperationManualforCondensatePumpModel:LDTN2/17泵的安装PumpInstallation1.产品型号、名称ProductModelandName1.1型号（举例说明）Model(Illustration)9LDTNB–5PJ9—容量代号CodeofcapacityLDTN—立式、筒袋型、凝结水泵Vertical,barreltype,condensatepumpB—水力模型代号Codeofhydraulicmodel5—叶轮级数StagenumberofimpellerP—泵自身平衡轴向力AxialforcebalancedbypumpselfJ—机械密封MechanicalSeal1.2名称：凝结水泵Name:Condensatepump2．用途及性能PurposeandPerformance2.1用途：用于火电热力系统中输送凝汽器内的凝结水。Purpose:Itisusedfordeliveringcondensatewaterinsteamcondenserinthermalpowersystem.2.2性能Performance：流量Flow：85～1940m3/h扬程Head：48～360m介质温度MediaTemperature：常温NormalTemperature～80℃3.结构Structure3.1结构型式：LDTN型凝结水泵是立式筒袋型双层壳体结构，首轮为单吸或双吸形式，次级叶轮与末级叶轮通用，为单吸形式。首级壳为碗形壳或螺旋壳，次级、末级壳为碗形壳；泵轴设有多处径向支承，泵转子轴向负荷可由泵本身推力轴承承受，也可由电机SBWInstallation&OperationManualforCondensatePumpModel:LDTN3/17承受；轴封可以为填料密封或机械密封，泵转子轴系含两根轴，轴间联接为卡环筒式联轴器，泵机联接为弹性柱销联轴器或刚性联轴器联接；吸入与吐出接口分别位于泵筒体和吐出座上，并呈180°水平布置（可按15°的整数倍任意变位）。Structuretype:ModelLDTNcondensatepumpisdesignedwithverticalbarreldouble-layershellstructure;firststageisofsinglesuctionordoublesuctiontype;secondstageimpellerisincommonusewithlaststageimpeller,withsinglesuctiontype.Firststageshellisbowltypeorscrewtype;secondstageshellandlaststageshellarebowltype;pumpshaftissetwithmanyjournalbearings;axialloadofpumprotorisundertakenbypumpthrustbearing,whichcanalsobeundertakenbymotor;shaftsealcanbeusedwithpackingsealormechanicalseal;shaftingofpumprotorincludestwoshafts,whichareconnectedwithclipringbarreltypecoupling;pumpandmotorareconnectedwithelasticdowelpinshaftcouplingorrigidcoupling;suctionnozzleanddischargenozzlearelocatedonpumpbarrelanddischargebaserespectively,with180°horizontalarrangement(whichcanbechangedasperanintegralmultipleof15°freely).3.2结构组成：LDTN型泵由以下几部分组成：泵筒体、工作部、出水部分和推力装置部分。Structurecomposition:ModelLDTNpumpiscomposedofpumpbarrel,workingbody,waterdischargeportionandthrustunit.3.2.1泵筒体：泵筒体是由优质碳素钢板卷焊制成的圆形筒体部分，其一侧设有吸入法兰；泵筒体用以构成双层壳体泵的外层压力腔，正常工作时腔内处于负压状态。Pumpbarrel:Pumpbarrelisaroundcylinderwhichisrolledandweldedwithgoodcarbonsteelplate;thereisnosuctionflangeatoneside.Pumpbarrelisusedforformingexternalpressurechamberofdouble-layershellpumpandpressureinsidechamberisnegative.3.2.2工作部：工作部用多级叶轮同向排列构成的泵转子和在其外围形成导流空间的导流壳组成。Workingbody:Workingbodyiscomposedofpumprotorthatismadeupofmultistageimpellersinsamedirectionanddiversionshellthatisusedforformingguideflowspacearoundtheimpellers.SBWInstallation&OperationManualforCondensatePumpModel:LDTN4/17泵转子由叶轮、泵轴、键、轴套等件组成。Pumprotoriscomposedofimpeller,pumpshaft,keyandshaftsleeveandetc.叶轮是将原动机的能量转换成泵送液体能量的核心元件。Impelleriscorecomponentthatisusedforconvertingenergyofprimertoenergydeliveringliquid.泵轴既做为叶轮的载体，又传递着转子的全部负荷。Pumpshaftisbothusedasimpellercarrierandfordeliveringfullloadofrotor.导流壳的作用是以最小的损失将流出叶轮的液体导向后均匀地进入下一级叶轮。导流壳的联接是止口定位，最后用螺栓把紧。Diversionshellisusedfordeliveringliquidoutofrotorevenlytonextstageimpelleratminimumloss.Diversionshellispositionedwithspigotandlockedwithbolts.3.2.3出水部分：出水部分由接管、泵座等件组成；泵的传动轴从该部分的中心穿过；从泵工作部流出的液体经该部分后水平进入泵外压力管道。Effluentpart:Effluentpartiscomposedofconnector,pumpbaseandetc.;pumpdrivingshaftgoesthroughthispart;liquidfrompumpbodyhorizontallyentersintoexternalpressurepipelinethroughthispart.泵座上设有密封函体、泄压孔、脱汽孔；泄压孔用以将轴封腔内压力减至最低；脱汽孔用以将泵筒体内的气体及时排至凝汽器。Pumpbaseissetwithsealbox,pressurereleasedventandsteamremovalvent;pressurereleasedventisusedforminimizingpressureinsideshaftsealchamber;steamremovalventisusedforexhaustingsteaminsidepumpbarreltosteamcondensertimely.3.2.4推力装置部分：推力装置由推力轴承、轴承体、调整螺母等组成。泵产生的轴向力由平衡鼓平衡掉95%，其余残余轴向力由推力轴承承受。如果轴向力由电机承受，则没有此部分。Thrustunit:Thrustunitiscomposedofthrustbearing,bearingbody,adjustingnutandetc.95%ofaxialforcegeneratedbypumpwillbeabsorbedbybalancingdrumandtheresidualforcewillbeundertakenbythrustbearing.Ifaxialforceisundertakenbymotor,this