LCC20 118: Propulsion Boiler Flashcards

1
Q

Boiler

A

converts chemical energy into thermal. 600Lb ā€œDā€ type in fire room manufactured by Foster Wheeler

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2
Q

Super Heater

A

1 per boiler. Raises temp of saturated steam to 875 degrees at 630 PSI

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3
Q

De-superheater

A

Lowers temp of super-heated steam to 560 degrees at 600 PSI. located in the steam drum.

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4
Q

De-airating Feed Tank

A

Removes dissolved oxygen
Preheat the condensate
Stores feed watrer

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5
Q

Main Feed Pump

A

3 of them. pumps feed water to the boilers. at 265 GPM between 600-825 PSI

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6
Q

Main feed booster pump

A

pumps water from DFT to the Main Feed Pump

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7
Q

Economizer

A

1 per boiler. preheats feed water to 250-370 degrees before is enters the steam drum

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8
Q

Forced Draft Blowers

A

Delivers air to the boilers for combustion. Motor driven

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