Apparatus for recovering heat in a spent liquor recovery boiler
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United States of America Patent
Stats
-
Dec 30, 1997
Grant Date -
N/A
app pub date -
Apr 13, 1995
filing date -
Oct 19, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for use in the pulp industry for recovering heat in the spent liquor recovery boiler, whereby the boiler walls are formed of water-cooled tubes connected to the water/steam circulation system of the boiler. Supply of air into the lower section of the furnace is effected symmetrically through air ports which are disposed at equal distances from the center of the furnace. The lower section of the furnace is preferably cylindrical and connected to a separate cooling medium circulation system.
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