Apparatus for suppressing flame/pressure pulsations in a furnace, particularly a gas turbine combustion chamber
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United States of America Patent
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-
May 2, 2000
Grant Date -
N/A
app pub date -
Jan 22, 1999
filing date -
Jan 23, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus is provided for suppressing flame/pressure pulsations in a furnace, in which a flame is surrounded by a gas shroud stream having a higher flow speed, whereby a ring vortex formation is stopped. In order for this gas shroud stream to be able to achieve smaller gas volumes, a screen is provided that surrounds the gas outlet openings and runs at a spacing around the burner, so that a flue gas recirculation area associated with the combustion chamber is separated from the outlet location of the gas shroud stream and thus the gas shroud stream itself.
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