Burner nozzle for pulverized coal
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United States of America Patent
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-
Aug 22, 2000
Grant Date -
N/A
app pub date -
Jan 8, 1998
filing date -
Jan 8, 1998
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A stationary coal nozzle for a burner on a pulverized coal fired furnace having an elongated tubular nozzle with an inlet for receiving a flowing stream of coal/air mixture and an outlet for discharging the flowing stream into a combustion zone of a furnace for burning. A multiple of transversely extending rib segments protrude into the nozzle from its inside wall and are circumferentially arranged for distributing and diffusing a flowing stream of pulverized coal in the coal/air mixture upon exiting the nozzle outlet. A deflector plate may also be provided which closes off an upper portion of the nozzle inlet to prevent pulverized fuel roping.
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