- Smoke uptake
- Economizer
A heat exchanger that transfers heat from Boiler Flue Gases to Boiler
Feedwater.
- Steam Outlet
Saturated steam from the Steam Drum to the Superheater
- Cyclone
A device inside the drum that is used to prevent water and solids from passing
over with the steamoutlet.
- Stay tube
for superheater
- Stays
for superheater tubes
- Superheated steam outlet
- Superheater
A bank of tubes, in the exhaust gas duct after the boiler, used to heat the
steam above the saturation temperature.
- Superheater Headers
Distribution and collecting boxes for the superheater tubes.
- Water Drum
- Burner
- Water wall Header
Distribution box for Water wall and downcomers.
- Foting
- Water wall
Tubes welded together to form a wall. 
- Water wall Header
Distribution box for Water wall and downcomers.
- Back side Water wall
- Boiler hood
- Water wall Header
Collecting box for Water wall and risers.
- Riser
The water-steam emulsion rises in these tubes toward the steamdrum.
- Downcomer
A tube through which water flows downward. These tubes are normally not heated,
and the boiler water flows through them to supply the generating tubes.
- Steam Drum
Separates the steam from the water.
- Economizer Header
Distribution box for the economizer tubes.
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