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
2/2015 1© 2015 Electric Power Research Institute, Inc. All rights reserved.Westinghouse NSSSCombustion Engineering NSSS 2/2015 MRP-227 Revision 1 Updated Westinghouse Figures 2© 2015 Electric Power Research Institute, Inc. All rights reserved.
Westinghouse NSSS Reactor Internals Component Figures 2/2015 2 3© 2015 Electric Power Research Institute, Inc. All rights reserved.Overview of Westinghouse NSSS Internals (Figure 1)ControlRodGuideTubeOutletNozzleCoreBarrel ThermalShieldFormerPlateHoldDownSpringLowerCoreSupportPlateVesselHeadPressureVesselInletNozzle UpperSupportPlateLowerCorePlateBottommountedInstrumentationLowerSupportColumnBody UpperCorePlate BafflePlate UpperSupportColumn 4© 2015 Electric Power Research Institute, Inc. All rights reserved.
Primary 2/2015 3 5© 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) 2/2015 4 7© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Barrel Assembly Core Barrel Welds (Figure 4)
UpperAxialWeld UpperFlangeWeld UpperGirthWeldLowerGirthWeldLowerFlangeWeldMiddleAxialWeldLowerAxialWeldLowerSupportPlateCoreBarrel 8© 2015 Electric Power Research Institute, Inc. All rights reserved.
Baffle-Former AssemblyBaffle-edge bolts (Figure 5)Example BaffleedgeBoltLocationsCoreBarrel ThermalShield 2/2015 5 9© 2015 Electric Power Research Institute, Inc. All rights reserved.
Baffle-Former Assembly Baffle-former bolts (Figure 6)Example BaffleformerBoltLocation ThermalShieldCoreBarrel 10© 2015 Electric Power Research Institute, Inc. All rights reserved.Baffle-Former Assembly Assembly (Figure 7) 2/2015 6 11© 2015 Electric Power Research Institute, Inc. All rights reserved.Alignment and Interfacing ComponentsInternals Hold Down Spring (Figure 8)
HolddownSpring(showninred)Height 0 o 90 o 270 o 180 o 12© 2015 Electric Power Research Institute, Inc. All rights reserved.
Thermal Shield Assembly Thermal Shield Flexures (Figure 9)
ThermalShieldWeldExample ThermalShield ThermalShieldFlexureExampleFlexureWeldExampleCoreBarrelAssemblyExample 2/2015 7 13© 2015 Electric Power Research Institute, Inc. All rights reserved.
Expansion 14© 2015 Electric Power Research Institute, Inc. All rights reserved.Upper Internals AssemblyUpper Core Plate (Figure 10)
UpperCoreSupportPlateExampleControlRodGuideTubeExample UpperCorePlateExample DeepBeamWeldmentExample UpperSupportColumnExample 2/2015 8 15© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Internals AssemblyLower Support Forging or Castings (Figure 11)LowerSupportForgingorCastingsExampleCoreBarrelLowerCorePlateExample 16© 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 Shield Core Barrel 2/2015 9 17© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support AssemblyLower Support Column Bolts (Figure 13)Lower Core Plate Core BarrelLower Internals AssemblyLower Support ColumnsLower Support Column BoltsLocation Example 18© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support Assembly Lower Support Column Bodies (Cast/Non-cast) (Figure 14)Lower Core Plate Core BarrelLower Internals AssemblyLower Support Column Body Diffuser PlateLower Core Support PlateCylinder HeadSleeve 2/2015 10 19© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support Assembly Bottom-mounted Instrumentation (BMI) Column Bodies (Figure 15)Lower Internals Assembly Core BarrelLower Core Support PlateExamples BMI ColumnBodies 20© 2015 Electric Power Research Institute, Inc. All rights reserved.
Combustion Engineering NSSS Reactor Internals Component Figures 2/2015 11 21© 2015 Electric Power Research Institute, Inc. All rights reserved.
InCoreInstrumentAssemblyCoreSupportBarrelCoreShroudAssemblyCoreSupportPlateCoreShroudRibs/RingsCoreSupportColumnLowerSupportAssembly FuelAlignmentPlateCEAShroudandInstrumentTubeAssemblyOverview of Combustion Engineering
Internals (Figure 16) 22© 2015 Electric Power Research Institute, Inc. All rights reserved.
Primary 2/2015 12 23© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Bolted)Core shroud bolts (Figure 17) CoreShroudAssemblyCoreSupportBarrelCoreShroudAssembly(rolloutview)CoreShroudBoltLocations 24© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Welded)
Assembly and Core shroud plate-former plate weld (Figure 18)CoreSupportBarrelCoreShroudAssemblyExamplesoflocationsofhighfluenceseamsatreentrantcorners 2/2015 13 25© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Welded)Shroud plates (Figure 19)ShroudPlates 26© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Bolted) Assembly (Figure 20)CoreShroudAssemblyCoreSupportPlateCoreSupportBarrelCoreSupportBarrelUpperFlangeInstrumentGuideTubesControlRodShroudGridAssemblyControlRodShroud FuelBundleAlignmentPlateLowerSupportStructure 2/2015 14 27© 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 Flange 28© 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) 2/2015 15 29© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support Structure: Core support plate, Core support column welds, Core support beam (Figure 23)CoreSupportPlateCoreSupportColumnsCoreSupportBarrelLowerSupportStructure 30© 2015 Electric Power Research Institute, Inc. All rights reserved.Upper Internals Assembly Fuel alignment plate (Figure 24)Fuel alignment plate 2/2015 16 31© 2015 Electric Power Research Institute, Inc. All rights reserved.Control Element AssemblyInstrument guide tubes (Figure 25)InstrumentGuideTubes GuideTubeSupports 32© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support Structure Deep beams (Figure 26)
DeepBeams 2/2015 17 33© 2015 Electric Power Research Institute, Inc. All rights reserved.
Expansion 34© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Bolted)Barrel-shroud bolts (Figure 27)Barrelshroudbolt 2/2015 18 35© 2015 Electric Power Research Institute, Inc. All rights reserved.Lower Support StructureLower core support beams (Figure 28)Lower Core Support Beams 36© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Bolted)
Core support column bolts (Figure 29)MultipleconfigurationsColumns BoltLocationExample 2/2015 19 37© 2015 Electric Power Research Institute, Inc. All rights reserved.Core Shroud Assembly (Welded)Remaining axial welds, Ribs and rings (Figure 30) Ribs Rings 38© 2015 Electric Power Research Institute, Inc. All rights reserved.Together-Shaping the Future of Electricity