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NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBECATALYSTRESIDUEEVAPORATORSYSTEMSHUTDOWNTOT&INOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBECatalystResidueEvaporatorSystemShutdowntoT&IPurposeAshutdowntoT&IoftheCatalystResidueEvaporatorSystemiswhenthesystemfeedhasstopped,thesteamtotheheatexchangershasstopped,alllevelsarepumpeddowntolessthan10%,andallpumpsareshutdown.Allvalvestoandfromofsystemaretobemanuallyclosed.AshutdowntoT&IisdonepriortoResidueEvaporatorSystemclearingandsafingprocess.ConditionsTheTBARecoveryColumnisshutdown.MaintenanceisrequiredontheCatalystResidueEvaporatorSystem.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBECatalystResidueEvaporatorSystemShutdowntoT&IGUIDELINE•EnsureTBARecoveryBottomsPumpsaredown.•ClosecontrolvalveFV-34218onTBARecoveryColumnBottomsflowtoResidueEvaporatorFlashDrum.•CloseblockvalvesonrotometersonacetoneflushgoingtoLT-39017AattheTBAPurificationOverheadPump01P0357-A/Bdischarge.•ClosetheblockvalveupstreamFV-34218onTBARecoveryColumnbottomstotheResidueEvaporatorFlashDrum01D0390.•ClosetheblockvalveontheS4steamtotheResidueEvaporatorExchanger.•DeinventorythecondensatefromResidueEvaporatorExchangerandtheResidueEvaporatorCondensatePot.•ClosethecontrolvalveTV-39001onthecondensatefromResidueEvaporatorCondensatePottothecondensatereturnheader.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBECatalystResidueEvaporatorSystemShutdowntoT&I•ClosetheblockvalveontheTV-39001condensatefromthecondensatepottothecondensatereturnheader.•ClosethecontrolvalveFV-39018onrecyclelinefromdischargeofMoBottomsPump01P0364-A/Btothe01D0390drum.•DeinventoryResidueEvaporatorFlashDrum01D0390toCatalystResidueTank.•ClosecontrolvalveLV-39017Aon01D0390bottomstoCatalystResidueTankafterthedeinventoryofResidueEvaporatorFlashDrum01D0390.•ClosetheblockvalvestotheCatalystResidueTank.•Deinventory01D0389totheProcessFuelSurgeDrum.•CloseAV-39055onnitrogentooverheadlineofResidueEvaporatorFlashDrumwithAC-39055.•ShutdownResidueEvaporatorDistillatePump01P0365-A/BafterResidueEvaporatorDistillateDrum01D0389isdeinventoried.NOTE:ThisisforTrainingonly,andisnotintendedtobeusedasastepbystepprocedure.PO/MTBECatalystResidueEvaporatorSystemShutdowntoT&I•ClosecontrolvalveLV-39017Bondischargeof01P0365-A/BtoProcessFuelSurgeDrum.•CloseblockvalveontopofResidueEvaporatorDistillateDrumtothesuctionofResidueEvaporatorVacuumPackage.•Closemolyblowdownvalveswhendeinventoried.•ClosecoolingwatersupplyandreturnvalvesonResidueEvaporatorCondenser01E0368.•OpendrainvalvesonResidueEvaporatorCondenser01E0368tograde.•OpenventvalveoncoolingwaterreturntoventResidueEvaporatorCondenser01E0368.•Deinventory01D0340totheCatalystRecoveryDrumviathemolyblowdownsystem.•Forclearingandsafinginstructions,refertotheClearingandSafingofDistillationEquipmentNotinTBHPServiceprocedureandClearingandsafingofVacuumPackageprocedure.
本文标题:TBACAT.RESIDUE-EVAP.SYST.SD.TO-T&I-628
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