VARIABLE ORIFICE BLACK LIQUOR NOZZLE METHOD AND APPARATUS
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United States of America Patent
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Issued Date -
Oct 13, 2011
app pub date -
Apr 18, 2011
filing date -
Jun 21, 2006
priority date (Note) -
Abandoned
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Abstract
A nozzle for the spraying of black liquor in a recovery boiler has discharge orifice inserts that can be removed and replaced with other inserts, to provide variable spray patterns, by changing the size and/or shape of the orifice of the nozzle, without requiring replacement of the entire nozzle body, to enable fine tuning of the atomization of the spray. Adjustment of the orifice height provides adjustment of the atomization and the spray angle of the discharge.
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