Recovery boiler
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United States of America Patent
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Jan 30, 2001
Grant Date -
N/A
app pub date -
Feb 17, 1998
filing date -
Feb 25, 1997
priority date (Note) -
Expired
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Abstract
In a recovery boiler for burning spent liquor of a pulp mill, a combustion chamber has heat transfer walls formed of tubes, at least one vertical heat transfer surface formed of tubes, and superheaters in an upper part of the combustion chamber for recovering heat generated by combustion and for cooling flue gases. The at least one vertical heat transfer surface divides the combustion chamber in a transverse direction into two combustion spaces.
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