PXS(1) - Passive Core Cooling
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26 Terms
Simplified Diagram
ECCS Criteria
(CLOTH)
C - Coolable geometry
L - Longterm capability
O - Oxidation limited to 0.17(17%) thickness
T - Temperature limited to 2,200°F
H - Hydrogen production limited to 1%(0.01) assuming total cladding interaction
RCS Injection Capabilities
Emergency Heat Removal
DVI Lines
Accumulators
Accumulator Discharge Lines
Containment Nitrogen Supply
Accumulator Parameters
CMTs
CMT Temperature
CMT Levels
CMT
Inlets
Makeup Lines
CMT Outlet AOVs
(PXS-V014A/B & PXS-V015A/B)
CMT Outlet Lines
Check Valves
Orifice
IRWST
IRWST
Temperature
Level
IRWST
Injection Lines
Notice:
Filter A to SFS
Filter B to RNS
Containment Recirculation
Squib Valves
(PXS-118A/B)
Containment Recirculation
Squib Valves
(PXS-120A/B)
Containment Recirculation
MOVs
(PXS-117A/B)
IRWST Gutter Isolation Valves
(PXS-130A/B)
PRHR
Inlet MOV
Outlet AOVs
PXS
Power Supply Overview
CMTs 2A - 15B
“Don’t Care, Don’t Care, Bout Anything”
Recirc and Injections 118A - 125B
“BADC, BADC”
Containment Radiation Signals
VFS Isolation?
CVS Isolation?
RNS Isolation?
Containment Flood Up Credited Sources?
RCS
BOTH Accumulators
BOTH CMTs
IRWST
CLP (Cask Loading Pit)
BAST (Boric Acid Storage Tank)
