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ID:59780331
大小:9.73 MB
页数:200页
时间:2020-11-24
《电潜泵系统构成及工作原理.ppt》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、AtypicalESPinstallationESPSystemTechnologyOverviewObjective•Uponcomletionofthiscourse,youshouldbeableto:ExplaintheusesforElectricalSubmersiblePumps.ListthemajorcomponentsofanESPsystem.ExplaintheprincipleofanESPsystem.ESPDownholeSystemThebasicESPdownholesystemcomponentsare...nThePump§
2、TheSealSectionnTheMotornThePowerCablenTheMonitoringSystem(optional)BuiltinDischargeheadTubingscrewsinherePumpHousingStationaryDiffuserRotatingImpellerPumpShaftBuiltinIntakeThePumpBoltstotheSealThePump•Hangsfromtheproductiontubing•Liftsthefluidthroughthetubingtothesurface•Isamulti-sta
3、gecentrifugaltype•Isconstructedfromimpellersanddiffusers•Mustbesizedtomatchthewellproduction•Hasanintakeanddischargethateitherboltsontooristhreadedintothepumphousing•Normallybesetabovetheperforationforsufficientcooling.LT=LowerTandempump(withbuiltinintake)ThesealboltsonhereIfMT(middl
4、etandem)orLT(LowerTandem)thenaflangefaceistheheadofthepump.ShippingCapHeadLT/MT=Lower/MiddleTandempumpIfUpperTandem(UT)thenadischargeisbuiltintothepump.BuiltinDischargeheadUTPumpUTorMTpumpMiddleTandempumpBaseShippingCapTheBoltonHeadTheMiddleTandemorLowerTandemPumpHeadUTorMTpumpboltso
5、nhere.Gasseparatorintake(cutaway).MaybeboltedontothebaseofaMT(MiddleTandem)orUT(UpperTandem)PumpTheSealboltsonhere.Centrifugal????CentriliftSubmersiblePumpStagesstackedonashaftandcompressedinahousing.CutawayofPumpStationarydiffusersRotating(righttoleft)impellersImpellerPumpStageHydra
6、ulicDesignESPStagedesignsfallintooneoftwohydraulicdesigncategories…RadialFlow-flowpathisgenerallyperpendicular(radial)withrespecttothepumpshaftMixedFlow-flowpathhasbothaxialandradialdirectionwithrespecttothepumpshaftImpellerTerminologyUpthrustWasherImpellerHubTopShroudImpellerVaneBot
7、tomShroudDownthrustWasherImpellerSkirtImpellerEyeImpellerHubUpperShroudVanesLowerShroudSkirtEyeImpellerTheimpellerrotatesaboutthepumpaxis,withtheshaftItprovidesthecentrifugalforcetothefluid-givesitenergy.ImpellerFluidenterstheimpellerthroughthe‘eye’neartheshaftandexitstheimpelleronth
8、eoutside.Imp
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