Furnaces – Process – Treating fuel constituent or combustion product
Reexamination Certificate
2005-11-01
2005-11-01
Ciric, Ljiljana (Department: 3753)
Furnaces
Process
Treating fuel constituent or combustion product
C110S342000, C110S185000, C110S188000
Reexamination Certificate
active
06959654
ABSTRACT:
A solid fuel fed combustor method having a first chamber portion with an inlet feeding a metered amount of a solid fuel to a first burner stage having a first traveling conveyor firebelt. A metered amount of air is introduced in progressively increasing proportions along the length thereof to cause endothermic reduction of the solid fuel. The first stage feeds a second burner stage having a second traveling conveyor firebelt. Air is introduced in a progressively decreasing amount along the length of the second traveling conveyor firebelt to induce exothermic combustion and decomposition of fuel. The amount of air introduced and speed of the conveyors are controlled to minimize the quantity of carbon monoxide and nitrogen oxides and other pollutants. Radiative energy generated from fuel traveling on the traveling conveyor firebelts is reflected on fuel traveling on the first firebelt.
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Ciric Ljiljana
Nathaniel Energy Corporation
Zegeer Jim
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