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LB、LK型立式长轴泵保留技术更改的权力ALLTHERIGHTTOALTERTECHNOLOGYDOCUMENTSRESERVED1LB、LK立式长轴泵VerticalMixedFlowPump产品概述LK、LB型立式长轴泵适用于电厂、钢厂、自来水公司、污水处理厂、石油化工、矿山等工矿企业，以及市政给排水工程、农业灌溉、防洪排涝等工程。可以用来输送55℃以下的清水、雨水、铁皮坑水、污水以及海水等介质，流量范围30-70000m³/h，扬程范围7-200m。特殊设计的输送介质温度可达90℃。DescriptionThesaidseriespumpsareusedtotransferclearwater,rainwater,waterinironsheetpits,sewageandseawater,servicinginpowerplants,ironandsteelworks,watersupplycompanies,sewagetreatmentplants,petroleumandchemicalindustries,minesaswellasmunicipalwatersupplyanddrainageprojects,farmlandsirriagation,floodprotectionanddrainwaterloggedfarmlands,etc..Thetemperatureofpumpedmediaisbelow550Candreachesto900Cforspecialdesign.Theflowraterangesfrom30to20000m3/handthehead—from7to200m.产品特点1、运行平稳，安全可靠，免抽真空启动，使用寿命周期长。2、泵体积小，基础占地面积少，基础以下泵长度可以调整，适应性强。3、流道简单可靠，节省泵房基建投资。4、结构合理，装拆方便，维护检修容易简便。5、泵效率高，降低运行成本。Features1.Operationsmooth,safeandreliable,startingwithoutexhaustingvacumn,servicelifelong.2.Thevolumnofthepumpsmall,lessoccupiedlandarea,thelengthunderfoundationadjustable,applicabilitystrong.3.Flowingchannelsimpleandreliable,savingtheinvestmentforconstructionofthepumphouse.4.Structurereasonable,convenientformountinganddismantling,,easytomaintainandinspect.5.Efficiencyhigh,operatingcostreduced.LB、LK型立式长轴泵保留技术更改的权力ALLTHERIGHTTOALTERTECHNOLOGYDOCUMENTSRESERVED2型号说明1400LK—30Ⅰ500LB—55.3Ⅰ(×2、3)1400——泵吐出口径1400mm500——泵吐出口径500mmL———立式长轴泵L———立式长轴泵K———转子可抽芯B———转子不可抽芯30———泵的设计扬程55.3———泵的设计扬程Ⅰ———泵设计顺序（第一次设计无标示）Ⅰ———泵设计顺序（第一次设计无标示）注：对于大口径泵，一般不设计多级形式×2———表示泵的级数为2级1400LK-30Ⅰ500LB-55.3Ⅰ(×2、3)1400—Outletofthepump:1400mm500—Outletofthepump:500mmL----VerticalmixedflowpumpL---VerticalmixedflowpumpK----Pull-outrotorB---Nonpull-outrotor30---Designhead55.3---DesignheadⅠ---Pumpdesignclass(nomarkwhenⅠ---Pumpdesignclass(nomarkwhenfirsttimedesign)firsttimedesign)Remarks:multistagetypeisusually×2--StagenumberNotdesignedforthepumpoflargenozzlediameter.产品结构说明1、LK、LB型泵为立式单级（多级）离心式或斜流式带导叶体结构。2、泵的结构型式有泵吐出口在安装基础之上和之下(型式代号分别为S和X)、泵承受轴向力和电机承受轴向力(型式代号分别为T和D)、外接润滑水和泵自身润滑等形式。3、泵安装型式有湿坑式安装或干坑式安装。湿坑式安装：泵下部浸没在吸水池中。干坑式安装：泵采用管道进水，泵吸入喇叭口与进水管道之间采用90°肘形进水弯管联接。4、泵轴承为橡胶导轴承或赛龙导轴承。5、泵口径在1000mm以下时，泵转子一般为不可抽形式；泵轴向水推力及转子重量一般由泵本体推力轴承承受，泵和电机之间采用弹性联接；泵吐出口位于安装面基础之上（型式代号为ST的结构形式）。如有要求，也可以由电机承受轴向水推力及转子重量；或其它结构形式的组合（型式代号为SD、XT、XD）;LB、LK型立式长轴泵保留技术更改的权力ALLTHERIGHTTOALTERTECHNOLOGYDOCUMENTSRESERVED3用户如有要求，也可以设计成可抽式结构形式。泵口径在1000mm以上时，泵转子一般为可抽形式；泵轴向水推力及转子重量一般由电机推力轴承承受，泵和电机之间采用刚性联接；泵吐出口位于安装面基础之下（型式代号为XD）。如有要求，也可以由泵承受轴向水推力及转子重量；或其它结构形式的组合（型式代号为XT、SD、ST）。用户如有要求，也可以设计成不可抽式结构形式。6、泵本体承受轴向水推力及转子重量时，泵推力轴承采用稀油润滑，推力轴承部件带Pt100测温元件测轴承温度或压力式温度计测润滑油温度。7、泵轴向密封采用填料密封。8、在泵安装基础上可以进行叶轮与叶轮室（转动部分与静止部分）之间间隙的调整，操作方便。9、从吐出方向往泵看，电机接线盒与泵外接润滑水接管位于左侧。也可根据用户要求，布置在其它方位。Structurefeature:1.SeriesLK,LBpumpsareofverticalsinglestageand/ormultistagecentrifugalormixedflowwithdiffusertypes.2.Thefollowingstructuretypesareavailableforthepump:thedischargeopeningaboveand/orunderthemountingfoundation(TypeCodenamedSandXrespectively);theaxialthrustforcebornbythepumpand/orbythemotor(TypeCodenamedTandD);lubricatingwaterfromoutsideand/orfromthepumpitself.3.Theintakesumpisofwetpitand/ordrypittypes.Wetpittype:lowerpartofthepumpinundatedintheintakesump.Drypittype:thewaterentersintothepump,thesuctionbellmouthisconnectedwiththeinletpipeofthepumpbymeansofelbowbendpipeof900.4.Rubberguidebearingsand/ortheThordonguidebearingsareavailableforbearingsofthepump.5.Generallywhenthenozzlediameterofthepumpisunder1000mm,nonpull-outtypeisadoptedfortherotorandthedischargeopeningisabovethemountingfoundation(TypeCodenamedST).Inthiscasetheaxialthrustforceandtheweightoftherotorareusuallybornbythrustbearingsofthepumpitselfandflexibleconnectionisadoptedbetweenthepumpandthemotor.Thethrustforceandtheweightoftherotorcanalsobebornbythemotorifrequired,orotherstructuretypessuchasSD,XT,XDareavailable.Rotorpull-outtypecanalsobeadoptedifrequiredbyclients.Generallywhenthedischargediameterofthepumpisabove1000mm,pull-outtypeisadoptedfortherotorandthedischargeopeningisunderthemountingfoundation(TypeCodenamedXD).Inthiscasetheaxialthrustforceandtheweightoftherotorareusuallybornbythrustbearingsofthemotorandrigidconnectionisadoptedbetweenthepumpandthemotor.Theaxialthrustforceandtheweightoftherotorcanalsobebornbythepumpifrequired,orotherstructuretypessuchasXT,SD,STareavailable.Rotornonpull-outtypecanalsobeadoptedifrequiredbyclients.6.Whentheaxialthrustforceandtheweightoftherotorarebornbypumpitself,thethrustbearingofthepumpislubricatedwithdiluteoilandisequippedwithatemperaturedetectorPt100todetectbearingtemperatureandapressuretypethermometertodetectthetemperatureoflubricatingoil.7.Theantielectrochemicalcorrosionapplianceisadoptedforthepartofthepumpcontactingtheliquidtoensuretheservicelifeofthepumpwhenseawaterispumped.8.Thepackingsealisadoptedfortheaxialsealofthepump.LB、LK型立式长轴泵保留技术更改的权力ALLTHERIGHTTOALTERTECHNOLOGYDOCUMENTSRESERVED49.Theclearancebetweentheimpellerandtheimpellerchamber,i.e.therotatingcomponentandthestaticcomponent,canbeeasilyadjustedonthepumpmountingfoundation.产品主要零部件材质MaterialsOfMajorParts介质Media零件Parts清水Clearwater海水Seawater污水（含磨