Condenser Air Removal / SJAE theory

Question 1

What order do you valve out SJAE.

Answer 1

Air. Steam. Condensate.

Question 2

Where do the inner condenser drains go to?

Answer 2

C drip receiver. Atmospheric drain seal reservoir.

Question 3

Where does the after condenser drains go to?

Answer 3

Turbine room sump. Heater drain pump sump. Miscellaneous drain tank.

Question 4

What is the function of the air ejectors.

Answer 4

Remove air and non condensable gasses from the main and feed pump condensers.

Question 5

What is the steam source for the steam jet air ejectors?

Answer 5

125# Aux steam header.

Question 6

What will the startup air ejectors draw down to?

Answer 6

15hg

Question 7

What will the holding air ejectors draw down to?

Answer 7

28hg

Question 8

What happens when you valve in the local air flow manometers on U1 air ejectors?

Answer 8

You bypass the rad monitor.

Question 9

What is the purpose of condensate flow differential pressure indicator CDI-200?

Answer 9

Provides indication of differential pressure across the SJAE condenser. 0 – 20 feet H2O ∆P High alarm at 15 feet H2O (2800 GPM) Low alarm at 2 feet H2O (1200 GPM).

Question 10

What order do you valve in SJAE.

Answer 10

Condensate. Steam. Air.