Method and arrangement for supplying air to recovery boiler
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United States of America Patent
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-
Dec 28, 1999
Grant Date -
N/A
app pub date -
Feb 3, 1998
filing date -
Feb 7, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and an arrangement for supplying air to a recovery boiler. In the method, the air is supplied to the recovery boiler at at least one air supply level so that four vortices are formed therein, the vortices spinning, in pairs, in opposite directions to one another so that any two adjacent vortices always spin in opposite directions to one another. The arrangement comprises nozzles that are arranged to blow air so that four vortices are formed in the recovery boiler, any two adjacent vortices always spinning in opposite directions to one another.
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