ProgressofTechnologyAssessmentofSmallandMedium-sizedReactorsforNearTermDeploymentSep.02-04,2013.Chengdu,SiteWhatisSmallModularReactor(SMR)SMRisanintegratedpressuredwaterreactor,adoptingmodulardesignandconstructionconcepts,passivesafetytechnology.ItcanreachlargepowerbyseveralItcanbeusedindifferentplacesanddifferent（2）ChallengesofIncreasingthelargeNPPIndustrycapacityandMarginaleffectoftheeconomybyincreasingDifficultyinapplicationofpassiveHugeovernightNotflexibilityfordifferent（3）Nonelectricalapplicationnuclearenergyandneedsofdevelo countriesfornuclearIn10to20years，70%oftheenergyconsumptionindevelo countriesisnon-electricityapplication,suchasheatand（4）ImprovingeconomicbymodulardesignandNotlikethatoflargeNPP,SMRachievesitseconomicbysimplifymodulardesignandincreasenumberofthemodular（5）AdvantageforSMRwithlowerpower,lowerresidualsuitableforpassivesafetyfacilitiesApplicationgoalofSMRissuitableforsmallelectricitygrid,districtheating,processheatingsupply,seawaterdesalination.Accordingtodifferentcondition,differentcountrieshavedifferentgoals.ApplicationgoalofSMRElectricitygenerationarea.SMRwillbethebestchoiceforvastinlandareasandoutlyingareasofourcountry.ApplicationgoalofSMRHeatsupplyarea.Thedemandofenergyforcityheatconsumesseveralhundredofmillionstonscoalperyear,sharingover10%thatthetotalenergyconsumption.ApplicationgoalofSMRIndustrialandprocessheatsupplyarea.Energyconsumptionindustryinourcountry,suchasbuildingmaterials,metallurgy,chemicalengineeringetc,setuptheirownthermalpowerplant.Theiremissionoccupiesover70%ofthetotalemissioninourcountry.ApplicationgoalofSMRDesalinationarea.Mostofindustrieslocateincoastalareas,theseriouslackoffreshwaterresourceshaving etheDomesticandoverseasstatusofSMRsstatusovertheTheTheoperatingUpto26areinoperation(suchasQinShanⅠ)

SMRsunderUptoChina’sKLT40SofSMRproposedSMARTofCAREMofWH-SMR\M-MaindevelopedandinnovatedDatetargetofbusinessDatetargetofbusinessCNNCSMR,codeACP100,isaninnovativePWRbasedonexistingPWRtechnology,adapting“passive”safetysystemand“integrated”reactordesigntechnology;Nooperatorinterventionneededin72hoursofaccident；Passivesevereaccidentpreventionandmitigationaction,suchasforcontainmenthydrogeneliminator, floodingetc.toensuretheintegrityofpressurecontainment;Themodulardesigntechniqueiseasytocontroltheproductqualityandshortenthesiteconstructionperiod.MaindesignMaindesignElectrical60Refueling22823233036500Operation2150MaindesignFuelmagnetismControlrodReactivitycontrolControlrod、solidtypenumber>290Mainfeedwater105MainpumpMainpump4MaindesignMaindesignExtraction235125operationoperationBaseload（Mode-SSElevelgroundpeakMainPrimarysystemandequipmentintegratedlayout. alsizeoftheconjunctionpipeis5-8cm,whereasthelargePWRis80-90cm.LargeprimarycoolantSmallradioactivitystorage ty.TotalradioactivityofSMRis1/10oflargePWR’s,meanwhilemulti-layerbarrierisaddedtokeeptheaccidentsource-termatalowlevel.VesselandequipmentlayoutisbenefitforMainMain Assurancedecayheatremovalmoreeffectively.2-4timesoftheefficiencyoflargePWRheatremovalfromthevesselsurface. Smallerdecaythermalpower.1/5-1/10timesofdecaythermalpowercomparingthatoflargePWRaftershutdown,andiseasiertoachievesafetybythewayof“passive”. Reactorandspentfuelpoollayunderthegroundlevelforbetteragainstexterioraccidentandgoodforthereductionofradioactivematerialrelease.Generallayoutof

Accordingtopostulatedsite,layout2setof100MWeintegralPWRnuclearunits.RXbuilding?28mNLbuilding60X90mNPPplant20hm2Nuclearislandlayout

ReactorBuildingEnhancedcapabilitytoexterioraccident supplyIntegratedlayoutinsteadoflooptypeMainpumpandreactorpressurevesselconnectedbyshortpipegeneratorsetsreactorpressure supplyintegratedtoreactorCRDM,pressurevessel,reactorinternals,OTSG,andcannedmotorpumpallmatureReactorcoolant

systemfunction4main161systemoperationcoreexit systemfunctionand tbypasstmoistureseparatorreheasystemoperationpressureTemperatureFlowmaxtravel；electromechanicaldelaytime；pressurehousingdesignlife：60Min.cumulativestepnumberofservice：6.0×106stepsFuel17×17squarepitchFuelguidetube：instrumentationtube：totalheight:EngineeredsafetyfeaturePassiveresidualheatremovalsystem：PassivecorecoolingSBO，longtermresidualheat flooding(passive2.9EngineeredsafetyfeatureplanPassivecontainmentheatremovalTheheatbeingtakenawaybythegasand convectionbetweencontainmentandultimateheatsinkbynaturalcirculation.Ensurethecontainmentintegrityunderaccidentcondition.I&C

Functionallydividedinto4layersInterfaceAutocontrolandcoveringOperationandmanagementinformationPlanttechnicalmanagement

冗余實時數據網

SixtestresearchControlroddrivelinecoldandhotControlroddrivelineanti-earthquakeInternalsvibrationtestFuelassemblycriticalheatfluxtestPassiveemergencycorecoolingsystemintegrationCMTandpassiveresidualheatremovalsystemtestThermalhydraulictesting

Passiveemergencycorecooling1controlroddrivelinecoldandhot234fuelassemblycriticalheatflux5CMTandpassiveresidualheatremovalsystem6controlroddrivelineantiseismicThelossofoff-sitepowersupplyandtheemergencydieselpowerACP100hasintegratedprimarycoolantsystemandremovesresidualheatingtolargecapacitycontainmentpoolthroughheatexchangerdependingonprimarycoolantnaturalcirculation.Thereactorwillnotlosecoolingincaseoftheloseofpower,andcansustaintheresidualheatremovalfor72hours.Thecombinationofloss-of-coolentaccidentandlossofallAfterthelossofcoolantaccident,ACP100achievingcorecoolingandthecontainmentheatremovalcomple yduetothepassivefacilityinthisprocess,andtheaccidentaggravationwillnothappenfortheloseofpower.SafetyandaccidentriskofthespentfuelstorageThespentfuelpoolofACP100smallmodularreactorlaysundergroundelevationandastandbymakeuppoolsetoutsideoftheplant,thefueluncoverwillnothappenundertheextremeconditionofthestructureofspentfuelpoolbreakingunderseismicconditionandthecoolinglostfortheloseofpower.Core-ACP100isthethirdgenerationPWR,havinginherentsafetycharacteristics,nobigLOCAetc.,adopting completepassivesafetyfeaturewhichobviouslyreducetheaccidentprobabilityandtheconsequence.Besides,considertheserveaccidentpreventionandmitigationaction,suchasCIS,hydrogen binerandthecorrespondingaccidentmanagementguide.SignedacontractofSMRcombinedresearchwithNationalNuclearRadiationSafetyCenterin2011,anddevelopedthefollowingNationalNuclear&RadiationSafetyCentergavethecommentsontheSMRresearchreportofdesignpreparationphase;HadatechnicalexchangeofSMRcontainmentdesignFukushimanuclearPassiveintegrationtestresearchtechni