LOT 202.12 FW Heaters / Drips/ Vents Flashcards
- LOT 202.12 FW Heaters / Drips/ Vents*
- *
Where are the components in the FW Heater system located?
- TGB 29’:*
- *Low Pressure Flash Tank**
- W of Condenser Pit (Overhead)*
- *LP Heater Drip Pumps**
- W side Condenser Pit*
- *MSR Drip Tank Pumps**
- Condenser Pit*
- TGB 55’:*
- *FW HTR 11A/B**
- SE Corner*
- *FW HTR 13A/B**
- NE Corner*
- *FW HTR 14A/B**
- E of Condenser*
- *FW HTR 15A/B/C and FW HTR 16A/B/C**
- W of Condenser*
- *Reheater Drip Tanks**
- N Side and S Side (Overhead)*
- *MSR Drip Tanks**
- N Side and S Side (Overhead)*
- LOT 202.12 FW Heaters / Drips/ Vents*
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What are the influents/effluents of HP Htr 11A/B?
Influents:
RHDT’s
HP Turb 4th Stage
MSR Vent Chamber
- Effluents:*
- *Deaerator**
- LOT 202.12 FW Heaters / Drips/ Vents*
- *
What are the influents of the deaerator?
- Influents:*
- *HP Turb 8th Stage**
MSDT
FWH 11
Main Steam
Aux Steam
- LOT 202.12 FW Heaters / Drips/ Vents*
- *
What are the influents of the LP FW heaters?
FW Htr 13A/B:
LP Turb 2nd Stage
SGBD Flash Tank
FW Htr 14A/B:
LP Turb 4th Stage
FW Htr 13A/B
FW HTR 15A/B:
LP Turb 6th Stage
FW HTR 14A/B
FW HTR 16A/B:
LP Turb 8th Stage
LP Htr Drip Tank
- LOT 202.12 FW Heaters / Drips/ Vents*
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What will trip the MSR Drip Tank Pump?
MSR Drip Tank Low Level
- LOT 202.12 FW Heaters / Drips/ Vents*
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What will trip the LP HTR Drip Tank Pump?
LP HTR Drip Tank Level - Low (7.5”)
Seal Water Pressure - Low (30 psig)
- *FW HTR 15/16 Level - High [1/2]**
- Respective train’s FW Heater*
Powered from 1D Switchgear.
Note:
Pump Discharge MOV must be closed to start pump.
- LOT 202.12 FW Heaters / Drips/ Vents*
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Where does the FW heater drains empty into the condensate system?
- LP Heater Drip Pumps:*
- *Between FW Heater 15 and 16**
- MSDT Pump Discharge:*
- *Upstream of DA inlet valves**
- FW Heater 11:*
- *DA**
Note:
LP Heater Drip Pump seals also come from condensate.
