ML15223A630
| ML15223A630 | |
| Person / Time | |
|---|---|
| Site: | Indian Point  |
| Issue date: | 02/28/2015 |
| From: | NRC/OGC |
| To: | Atomic Safety and Licensing Board Panel |
| SECY RAS | |
| References | |
| RAS 28143, ASLBP 07-858-03-LR-BD01, 50-247-LR, 50-286-LR | |
| Download: ML15223A630 (19) | |
Text
2/20151© 2015 Electric Power Research Institute, Inc. All rights reserved.Westinghouse NSSSCombustion Engineering NSSS2/2015MRP-227 Revision 1Updated Westinghouse Figures2© 2015 Electric Power Research Institute, Inc. All rights reserved.Westinghouse NSSS Reactor Internals Component Figures 2/201523© 2015 Electric Power Research Institute, Inc. All rights reserved.Overview of Westinghouse NSSS Internals (Figure 1)ControlRodGuideTubeOutletNozzleCoreBarrelThermalShieldFormerPlateHoldDownSpringLowerCoreSupportPlateVesselHeadPressureVesselInletNozzleUpperSupportPlateLowerCorePlateBottommountedInstrumentationLowerSupportColumnBodyUpperCorePlateBafflePlateUpperSupportColumn4© 2015 Electric Power Research Institute, Inc. All rights reserved.Primary 2/201535© 2015 Electric Power Research Institute, Inc. All rights reserved.Control Rod Guide Tube AssemblyGuide plates (cards) (Figure 2)InspectionLocationExample(Plantspecificconfigurationdependent)6© 2015 Electric Power Research Institute, Inc. All rights reserved.Control Rod Guide Tube AssemblyLower Flange Welds (Figure 3)InspectionLocationExample(Plantspecificconfigurationdependent) 2/201547© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Barrel Assembly Core Barrel Welds (Figure 4)UpperAxialWeldUpperFlangeWeldUpperGirthWeldLowerGirthWeldLowerFlangeWeldMiddleAxialWeldLowerAxialWeldLowerSupportPlateCoreBarrel8© 2015 Electric Power Research Institute, Inc. All rights reserved.Baffle-Former AssemblyBaffle-edge bolts (Figure 5)ExampleBaffleedgeBoltLocationsCoreBarrelThermalShield 2/201559© 2015 Electric Power Research Institute, Inc. All rights reserved.Baffle-Former AssemblyBaffle-former bolts (Figure 6)ExampleBaffleformerBoltLocationThermalShieldCoreBarrel10© 2015 Electric Power Research Institute, Inc. All rights reserved.Baffle-Former Assembly Assembly (Figure 7) 2/2015611© 2015 Electric Power Research Institute, Inc. All rights reserved.Alignment and Interfacing ComponentsInternals Hold Down Spring (Figure 8)HolddownSpring(showninred)Height0o90o270o180o12© 2015 Electric Power Research Institute, Inc. All rights reserved.Thermal Shield Assembly Thermal Shield Flexures (Figure 9)ThermalShieldWeldExampleThermalShieldThermalShieldFlexureExampleFlexureWeldExampleCoreBarrelAssemblyExample 2/2015713© 2015 Electric Power Research Institute, Inc. All rights reserved.Expansion14© 2015 Electric Power Research Institute, Inc. All rights reserved.Upper Internals AssemblyUpper Core Plate (Figure 10)UpperCoreSupportPlateExampleControlRodGuideTubeExampleUpperCorePlateExampleDeepBeamWeldmentExampleUpperSupportColumnExample 2/2015815© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Internals AssemblyLower Support Forging or Castings (Figure 11)LowerSupportForgingorCastingsExampleCoreBarrelLowerCorePlateExample16© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Barrel Assembly Barrel-former Bolts (Figure 12)Barrel-former bolts(example shown includes thermal shield)Thermal ShieldCore Barrel 2/2015917© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support AssemblyLower Support Column Bolts (Figure 13)Lower Core PlateCore BarrelLower Internals AssemblyLower Support ColumnsLower Support Column BoltsLocation Example18© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support Assembly Lower Support Column Bodies (Cast/Non-cast) (Figure 14)Lower Core PlateCore BarrelLower Internals AssemblyLower Support Column BodyDiffuser PlateLower Core Support PlateCylinderHeadSleeve 2/20151019© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support Assembly Bottom-mounted Instrumentation (BMI) Column Bodies (Figure 15)Lower Internals AssemblyCore BarrelLower Core Support PlateExamplesBMI ColumnBodies20© 2015 Electric Power Research Institute, Inc. All rights reserved.Combustion Engineering NSSS Reactor Internals Component Figures 2/20151121© 2015 Electric Power Research Institute, Inc. All rights reserved.InCoreInstrumentAssemblyCoreSupportBarrelCoreShroudAssemblyCoreSupportPlateCoreShroudRibs/RingsCoreSupportColumnLowerSupportAssemblyFuelAlignmentPlateCEAShroudandInstrumentTubeAssemblyOverview of Combustion Engineering Internals (Figure 16)22© 2015 Electric Power Research Institute, Inc. All rights reserved.Primary 2/20151223© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Bolted)Core shroud bolts (Figure 17) CoreShroudAssemblyCoreSupportBarrelCoreShroudAssembly(rolloutview)CoreShroudBoltLocations24© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Welded)
Assembly and Core shroud plate-former plate weld (Figure 18)CoreSupportBarrelCoreShroudAssemblyExamplesoflocationsofhighfluenceseamsatreentrantcorners 2/20151325© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Welded)Shroud plates (Figure 19)ShroudPlates26© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Bolted) Assembly (Figure 20)CoreShroudAssemblyCoreSupportPlateCoreSupportBarrelCoreSupportBarrelUpperFlangeInstrumentGuideTubesControlRodShroudGridAssemblyControlRodShroudFuelBundleAlignmentPlateLowerSupportStructure 2/20151427© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Support Barrel Assembly -Welds, Upper cylinder (including welds), Upper core barrel flange, Core barrel assembly axial welds, Lower core barrel flange (Figure 21)Lower Girth Weld (LGW) / Lower Flange Weld (LFW)Upper Flange Weld (UFW)Upper Girth Weld (UGW)Middle Girth Weld (MGW)Upper Axial Weld (UAW)Middle Axial Weld (MAW)Lower Axial Weld (LAW)Upper FlangeLower Core Barrel Flange28© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Support Barrel AssemblyCSB Flexure Weld (CSBFW) (Figure 22)Flexure Weld (CSBFW)Lower Girth Weld (LGW) 2/20151529© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support Structure: Core support plate, Core support column welds, Core support beam (Figure 23)CoreSupportPlateCoreSupportColumnsCoreSupportBarrelLowerSupportStructure30© 2015 Electric Power Research Institute, Inc. All rights reserved.Upper Internals Assembly Fuel alignment plate (Figure 24)Fuel alignment plate 2/20151631© 2015 Electric Power Research Institute, Inc. All rights reserved.Control Element AssemblyInstrument guide tubes (Figure 25)InstrumentGuideTubesGuideTubeSupports32© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support Structure Deep beams (Figure 26)DeepBeams 2/20151733© 2015 Electric Power Research Institute, Inc. All rights reserved.Expansion34© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Bolted)Barrel-shroud bolts (Figure 27)Barrelshroudbolt 2/20151835© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support StructureLower core support beams (Figure 28)Lower Core Support Beams36© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Bolted)
Core support column bolts (Figure 29)MultipleconfigurationsColumnsBoltLocationExample 2/20151937© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Welded)Remaining axial welds, Ribs and rings (Figure 30) RibsRings38© 2015 Electric Power Research Institute, Inc. All rights reserved.Together-Shaping the Future of Electricity