Lesson 14: Instrument Air

Question 1

1. What is Instrument Air?

Answer 1

Air is dried using air dryers, which is then used for pneumatic instruments around the plant.

Question 2

2. Where does instrument air come from?

Answer 2

Soot Blowing Air Compressors

Question 3

3. What is the pressure setting of our instrument air?

Answer 3

110 PSI

Question 4

4. How many air dryers do we have and where are they located?

Answer 4

12 Total
2 per unit in the basement (6)
2 in CEMS
3 in the 1A 1B Compressor room on the West wall
1 in the Chem. Inj. Room

Question 5

5. What is the dew point of our instrument air?

Answer 5

-40 C

Question 6

6. What would happen if we were to lose instrument air to the plant?

Answer 6

Units would trip.