Makeup Water Treatment Flashcards
Purpose of Makeup water Treatment?
- Take water suppled by Deepwell Pumps and providing up to 250gpm of water at a specified quality to the primary and secondary systems
- 3 deepwell pumps can provide alternate water supply source for AFW pupms
- “A” deepwell pump can provide CV cooling
MWT system components
- 3 deepwell pumps
- Degasifier
- Vacuum Pumps
- Transfer pumps
- MDT
- 3 primary mixed bed
- 2 polishing bed
- Gas Transfer Membrane Skid
- 3 Trailing Mixed beds
Regen Components
- Acid tank with 2 pumps
- Caustic Tank with 2 pumps
- Air Blowers
- Neutralization water Tank (NWT)
Deepwell Pump Power supplies and purpose?
- A MCC-3 (Diesel Backup)
- B MCC-4 (Diesel Backup)
- C MCC-4 (Diesel Backup)
- Takes water from deepwells to the Degasifier
- ALso can provide backup water supply to the AFW pumps.
Demin Water Pump Power supply, suction from?
-MCC-8
-Takes suction from the CST.
-No off/on switch, if it has power its running
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Vacuum Pumps A/B/C
Power Supply and purpose
- All powered from MCC-20 (1st floor CP Building)
- Provide vacuum to degasifier
Transfer Pumps A/B/C
Power supplies and purpose?
- All powered from MCC-20 (1st floor CP Building)
- Take suction from degasifier and discharges directly to the Primary Mixed Beds or MDT
CST recycle Pump
Power supply and purpose?
- MCC-20 (1st Floor CP building)
- Used to transfer water from the CST to the inlet of the Degasififer for reprocessing.
Primary Water Pump
power supplies
- A MCC-1
- B MCC-2
Caustic Tank pumps power supplies?
-MCC-20
Acid Tank pump power supplies?
-MCC-20
Air Blowers Power supply?
-MCC-20