3POPC5-STRIP.SYST.SU.FROM-T&I-573

1、NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEC5STRIPPERCOLUMNSYSTEMSTARTUPFROMT&INOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEC5STRIPPERCOLUMNSYSTEMSTARTUPFROMT&IPurposeThepurposeofthisprocedureistopreparetheC5StripperColumnSystemtoreceivefeedfromupstreamequipmentfollowingmaintenance.Thesystemwillneedtoinitiallyacceptenoughfeedmaterialfromupstreamequipmenttoestablishatotalrefluxconditionoftheequipmentbeingstartedup.Theactof。

2、placingthesystemintotalrefluxistoapplytheproperamountofreboilersteamflowtocreateenoughvaporsintheoverheadsystemtomaintainasteadyandcontinuousrefluxflowratewhiletherefluxdrumlevelcontrollerisinAutomaticcontrol.ConditionsTheC5StripperColumnSystemhasbeenrepairedandtheequipmentisreadytoreturntoservice.NOTE:Airoroxygencanformapotentiallyexplosivemixturewithhydrocarbons,therefore,nitrogenpurgeallprocesslinesandequipmenttoatmosphereuntilprocesslinesandequipmentislessthan3%oxygen.Donotnitrogenpurgetothe。

3、blowdownsystemortheflaresystem.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEC5STRIPPERCOLUMNSYSTEMSTARTUPFROMT&IGUIDELINEEnsurethefollowingitemsarecompleted:•allpumpsuctionanddischargevalvesareopen.•allcontrolvalvesarelinedupwithclosedcontrolvalves.•allcontrolvalvebypassesareclosed.•thecolumnandassociatedequipmentinstrumentationhasbeenconnectedandreadyforservice.•allinsulationisinplaceforpersonalprotection.•allcontrolvalveshavebeenverifiedforproperoperation.•a。

4、llisolationblindshavebeenturnedtotheproperoperatingpositionaspertheVisualInspectionBlindRemovalProcedure.•allutilityconnectionshavebeenturnedawayfromthevessels,blockedinonthevesselandblinded.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEC5STRIPPERCOLUMNSYSTEMSTARTUPFROMT&I•thecolumnandassociatedequipmenthasbeenpurgedofoxygenaspertheOxygenRemovalofProcessEquipmentprocedure.•thecolumnandassociatedequipmenthasbeenpressuretestedaspertheTightnessTestingofProcessEqui。

5、pmentprocedure.Ensurethefollowingvalvesareclosed:•FeedinletvalvetoC5StripperColumn.•S1steamtoReboiler.•C5StripperReboilerCondensatetocondensateheader.•C5StripperbottomstoHeaviesRemovalColumn.•Refluxdrumvaporstolowpressureventgasheader.•Ensureallbypassvalvesaroundcontrolvalvesandreliefvalvestoflaresorventgasheadersareclosed.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEC5STRIPPERCOLUMNSYSTEMSTARTUPFROMT&IOpenthefollowingblockvalves:•100mmchainwheelblockvalveupst。

6、reamofC5StripperFeedInterchangeronfeedline.•80mmblockvalveupstreamofFVoncrudePOlinefromstorage.VerifyPOmakeupvalveatBatteryLimitsislinedup.•100mmblockvalvedownstreamofFeedControlValvetoHeaviesRemovalColumn.•40mmblockvalvedownstreamofPressurecontrolvalve.•50mmblockvalvedownstreamofFVtoProcessFuelsSurgeDrumisopen.•upstreamanddownstreamblockvalvesonrefluxcontrolvalve.•blockvalvesonsystemvesselspressuresafetyvalve(ChainlockOPEN)toflaresystems.•coolingwatersupplyandreturnvalvesonC5StripperCondenser.N。

7、OTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEC5STRIPPERCOLUMNSYSTEMSTARTUPFROMT&INotifyConsoleOperatorC5StripperColumnSystemisreadyforservice.Ensuresuctionanddischargevalvesarelineduponthefollowingpumps:•BottomsPump01P0404-A/Bwithspareatstandby.•RefluxPump01P0403-A/Bwithspareatstandby.•ReboilerPressurePump01P0482-A/Bwithspareatstandby.•PlacepumpsinserviceatrequestofConsoleOperator,assystemsrequire.•Ensureallbypassvalvesaroundcontrolvalvesandreliefvalvestoflares。

8、orventgasheadersareclosed.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEC5STRIPPERCOLUMNSYSTEMSTARTUPFROMT&IEnsurethefollowingblockvalvesareopen:•100mmblockvalveupstreamofC5StripperFeedInterchanger01E0457onfeedline.•80mmblockvalveupstreamofFVoncrudePOlinefromstorage.•100mmblockvalvedownstreamoffeedcontrolvalve.•40mmblockvalvedownstreamofpressurecontrolvalve•blockvalvesonsystemvesselspressurereliefvalve(ChainlockOPEN)toflaresystems.•coolingwatersupplyandreturnva。

9、lvesC5StripperCondenser01E0496.•BackflushC5StripperColumnCondenser01E0496.InformConsoleOperatorC5StripperColumnSystemisreadyforservice.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEC5STRIPPERCOLUMNSYSTEMSTARTUPFROMT&I•PlacepumpsinserviceatrequestofConsoleOperator,assystemsrequire.•EstablishcrudePOlevelinC5StripperColumnbypumpingfeedtothecolumn.•ContinuetoinventoryC5StripperColumnwithcrudePOuntila80%bottomslevelisattainedincolumn.USEEXTREMECAUTIONWHENADDINGHEATT。

10、OANYCOLUMNAFTERT&I.WATERMAYBETRAPPEDONTRAYSANDINLINES.THISCOULDCAUSEDAMAGETOEQUIPMENTANDINJURYTOPERSONNEL!NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBEC5STRIPPERCOLUMNSYSTEMSTARTUPFROMT&I•ToggleHVtotheopenpositiononS1steamtoreboiler.•SlowlyopentheS1steamtoC5StripperReboiler01E0495,usingsteamcontrolvalveuntilalevelhasbeenestablishedinC5StripperRefluxDrum01D0439.MayrequireControlOperatortoopenthebypassaroundthePSVtoremovenon-condensablefromtheoverheadofthecolumn.。