Unit 2 Steam Seals And Exhaust Flashcards
What supplies steam to the high pressure turbine steam seals?
Main steam at full power.
Aux steam during start up and shutdown.
What supplies steam to low pressure turbines steam seals?
High pressure turbine intermediate seal flow.
How do you control High pressure turbine seal pressure?
We control it by bearing #5 and read pressure by bearing #2 to maintain D/P around 10#.
What supplies most of the intermediate header?
High pressure turbine inner seals.
The intermediate header supply’s what?
Low pressure turbine steam seals.
Feed pump steam seals.
What happens when you get a gland steam condenser Hi Hi alarm.
TACW isolates.
Where does the gland steam condenser she’ll side drains drain to?
“A” drip receiver
What is the purpose of the steam seal system?
Keep air out of the High pressure, Low pressure, and Feed pump turbines.
