__________________________________________________________________________
(MBtuh Output
(Size) Type of Grate and Stoker
__________________________________________________________________________
stokers
20,000 - 30,000
Single retort, moving grate, underfeed stoker
5,000 - 75,000
Reciprocating grate, front continuous ash
discharge stoker
5,000 - 100,000
Vibrating conveyor grate, front continuous ash
discharge stoker
20,000 - 125,000
Water-cooled, incline grate, hopper fed
vibrating grate stoker
30,000 - 400,000
Spreader stoker, continuous front ash discharge)
__________________________________________________________________________
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The HTW generator manufacturer shall certify that the stoker selected will
be satisfactory for the HTW generator design. Stokers and HTW generator
shall be capable of efficiently burning coal with fuel sizing conforming to
ABMA Boiler 203 for Stoker Firing of Bituminous Coals, approximately
[_____] mm inches in size with an approximate moisture content of [_____]
percent and having the following analyses:
Proximate Analysis
Percent, Dry
Moisture
[_____]
Volatile matter
[_____]
Fixed carbon
[_____]
Ash
[_____]
Ultimate
Analysis Percent, Dry
Carbon
[_____]
[_____]
Nitrogen (Calc)
[_____]
Sulfur
[_____]
Chlorine
[_____]
Ash
[_____]
Oxygen (Diff)
[_____]
Btu/lb. as received
[_____]
Btu/lb. - dry
[_____]
Grindability
[_____]
Raw Fuel Size
[_____]
Ash Analysis
Percent
SiO(2)
[_____]
Al(2)O(3)
[_____]
TiO(2)
[_____]
Fe(2)O(3)
[_____]
CaO
[_____]
SECTION 15555A
Page 27
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