课件分析案例1bcfc

B竹A竹FIRSTDraftedCheckedReviewedApprovedbyYANGJIANGNUCLEARPOWERDOC.PYX17DVS002ECNT45GNUnits1、2SystemManual-Chapters2，3，4，5Function，GeneralDesign，DescriptionandPKX17DVS002B30745GNBA:B:√C:CertificationNo:ANationalAgrade isthepropertyofCNPDCItmustnotbeused、reproduced、transmitteddisclosedwithoutthepriorwrittenpermissionofCNPDC本文件 属于中广核工程

YANGJIANGNUCLEARPOWER1、2DVS-SafetyInjectionandContainmentSprayPumpMotorRoomVentilationChapters2，3，4，5Function，GeneralDesign，DescriptionandPROJECT SUB-ITEM NUCLEARPOWER MAY,2010,SHENZHENYANGJIANGNUCLEARPOWER1、2DVS-SafetyInjectionandContainmentSprayPumpMotorRoomVentilationChapters2，3，4，5Function，GeneralDesign，DescriptionandAPPROVEDBY：WuXiangzhuREVIEWEDBY：ZhaoShanggui BY：ShiMin NUCLEARPOWER MAY,2010,SHENZHEN Chapters Rev.MODIFICATIONAB pageDeletesummer Chapters TOC\o"1-2"\h\z\u Safety Designbasesandsafety Choiceofmaterials- Normal Particularsteady Startupandnormal Other TheDVSsystemsonlytheroomscontainingthemotorsoftheRISsafetyinjectionpumpsandEAScontainmentspraypumps.TheDVSsystemisdesignedtomaintainproperenvironmentalconditionsandtomaintainthemotorroomsunderslightoverpressureinrelationtotheadjacentroomsthuspreventingtheformerfrombeingcontaminated.This:preventsreleaseofradioactiveproductsintotheserooms(theDVSexhaustsubsystemisnotprovidedwithaclean-upunit),permitsaccessformaintenanceworkduringtheEASandRISpumpsSafetyTheRISandEASpumpmotorsarecooledbythecomponentcoolingsystem(RRI).Therefore,theDVSisnotasafetyrelatedsystem.GENERALDesignbasesandsafetyTheDVSisanopenventilationcircuitintendedtoensurethedissipationofheatloadsonEASandRISpumpmotorsandtomaintainthemotorroomsK110,111,112,113(K150,151,152,153)overpressurizedinrelationtotheadjacentrooms. Thesevaluesarepostulatedfortheventilationinstallationdesign.Extremeconditionsare:Thesevaluesareassumedforthecivilworksdesignandfortheselectionoftheoutsideairlouvers,theductsupstreamtheprefiltersandtheprefiltersthemselves.InternalAirSafety1.SAFETY1.1.Reference 1.3.Other2.Seeclassification-Referencetoparticularengineeringrulesand4.FUNCTIONAL4.1.RCC-PconditionsincaseoftotallossofRFSI.3.anot Activecomponent2×100%forsupply2×100%forexhaust ElectricalEmergencypowerElectricalNot Separationofredundant activeNot passiveNot Externalattacksagainstwhichthehastobe Not breakNot Pipe Turbine high low Miscellaneousmissiles(includingdropfromthe Airne Safeshutdown DryingNot Noxiousvapoursorgases(otherNotthosecausedby Liquids(escafrombreaksin IonizingNot Explosions:frominNot Particularprecautionsagainst TornadoandinducedNot Attacksonother Pipe Noxiousvapoursorgases(otherthosecausedby Flooding Ionizing Inservice Periodic6- ProtectionagainstEquipmentDVSsystemoperateswithtotalfreshair.ThenominalairflowratescorrespondtooperatingofEASand/orRISpumps.ThefollowingtableshereafterindicatetheairAIRAIRAIRAIRTT-BAIRAIRAIRAIRTTBChoiceofmaterials-Seedatasheets(chapterTheairsupplyductsaremadeairtightandstainlesssteelbetweenoutsideairlouverandsupplyTheairexhaustductsaremadefireproofmaterialinsidethemotorrooms,beyondthefireConnectionswithotherTheDVSsystemisconnectedtothefollowing LBA:110VDCPowerSupply-TrainLCA:Unit48VDCPowerSupply-Train :LVACNetwork-380 :LVACNetwork-380 Continuous220VACpower GeneraldescriptThesafetyinjectionandcontainmentspraypumpmotorroomventilationsystemconsiststwo×100%redundantsupplyairlinesconnectedinparallelwith onefan001ZVor002 onebackdraftdamper003VANor004fourbalancingdampers009,010,011,012VARforadjustingthesupplyairflowratetoeachroom,fromeachroom,fourfiredampers014,016,018,020VAFonairexhaustducts(oneforeachtwox100%redundantexhaustairlinesconnectedinparallelwith oneguillotinedamper021VAGor022 onefan003ZVor004 onebackdraftdamper023VANor024 NormalDuringnormalntoperationtheDVSsystemisshutdown.Thesystemismanuallystartedup:duringanyRISand/orEASpumpInordertokeepthemotorroomsoverpressurizedinrelationtotheadjacentrooms,theexhaustfanoperatesonlyifthesupplyfanoperates.ParticularsteadyParticulartransientNotStartupandnormalOther5.5.1Thesystemisnotdesignedtowithstandearthquakebutthedesignissuchastopreventcertainductsandventilationequipmentfromfallingonsafetyrelatedequipmentlocatedintherooms(seechapter7para.7.2).FireinamotorroomisindicatedbythefiredetectionsystemAdaptationofthenewzoning.ForthemotorroomsK110(K150)andK112(K152),eachmotorroomisisolatedbytwofiredampers(oneonsupplyandoneonexhaustducts),butforthemotorroomsK111(K151)andK113(K153),eachmotorroomisisolatedbyonefiredamper(damperonexhaustduct).Themainexhaustairductinsidetheroomsismadeoffireproofmaterial.Closureofeachfiredampercanbeperformed:byself-actionofthemeltingbymanualactiononalocalamomentarycontactsolenoidenergizedbyJDTorcontrolroomordertoclosethefiredamper,andalsotore-openthefiredamperbymotorormanualoperation.afiredetectionbyJDTinZFSK0082(trainB)don’tcloseautomaticallysupplyfiredampers005VAFand007VAF,becauseitmightbenecessary,inlongtermafte