Lodge Grass, Montana
 click picture to enlarge:

 
Boiler Plant
Existing Underground
coal bunkers shown

Combustion Chamber
Plug Stokers used
under existing boilers

Common Surge
Hopper for both
Stoker injectors

Redundant coal feed
from 2 hoppers
can supply both
boilers together or
independently

Injector #2

Injector #1

Swing-away Gas
Burner for backup

Single Ash Bucket
Elevator removes
ash from both
Stokers

Ash Bucket Elevator
lifts ash vertically for
sub grade boiler
rooms. Eliminates 
expensive ash auger
Repairs.

Ash Wagon