Internal air and/or fuel staged controller

Details Internal air and/or fuel staged controller Internal air and/or fuel staged controller

1993-10-27

1995-05-16

Gromada, Denise L.

Furnaces

Process

Burning pulverized fuel

110264, 431 9, 431184, F23D 100

Patent

active

054151147

ABSTRACT:
A burner flame stabilizer which circumferentially stages the air to form circumferentially-spaced fuel rich and fuel lean zones for lowering of NO.sub.x is described. A circumferential solid fuel stager is described, which operates with a fuel stabilizer to provide increased dwell time for coal particles volatilization in a recirculation zone established by the flame stabilizer. Various embodiments are described.

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