LCC20 118: Propulsion Boiler Flashcards
1
Q
Boiler
A
converts chemical energy into thermal. 600Lb āDā type in fire room manufactured by Foster Wheeler
2
Q
Super Heater
A
1 per boiler. Raises temp of saturated steam to 875 degrees at 630 PSI
3
Q
De-superheater
A
Lowers temp of super-heated steam to 560 degrees at 600 PSI. located in the steam drum.
4
Q
De-airating Feed Tank
A
Removes dissolved oxygen
Preheat the condensate
Stores feed watrer
5
Q
Main Feed Pump
A
3 of them. pumps feed water to the boilers. at 265 GPM between 600-825 PSI
6
Q
Main feed booster pump
A
pumps water from DFT to the Main Feed Pump
7
Q
Economizer
A
1 per boiler. preheats feed water to 250-370 degrees before is enters the steam drum
8
Q
Forced Draft Blowers
A
Delivers air to the boilers for combustion. Motor driven
