Process furnace with a split flue convection section
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United States of America Patent
Stats
-
Sep 28, 1993
Grant Date -
N/A
app pub date -
May 5, 1992
filing date -
May 5, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process furnace and method of operating a furnace are disclosed. The furnace comprises a radiant heating chamber, a primary convection section leg, a secondary convection section leg with two or more parallel flow channels, convection burners to heat the primary and/or secondary convection sections and dampers to adjust flue gas flow and temperature through the parallel flow channels. Combustion air comprising a mixture of gas turbine exhaust and fresh air which has been preheated in one of the parallel flow channels s supplied to the burners. The split flue design facilitates greater control of the flue gas temperature for improved operating efficiency.
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Cited Art Landscape
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