METHOD FOR EXTINGUISHING A SMOULDERING FIRE IN A SILO
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United States of America Patent
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Issued Date -
Jul 16, 2009
app pub date -
Jan 11, 2008
filing date -
Jan 11, 2008
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method for extinguishing a smouldering fire in a silo by introducing inert gas into the silo. The inert gas is introduced through a venturi-type nozzle above the stored content in the silo with a slow streaming velocity in such a way that mass ratio of the entrained surrounding gas to the incoming liquid inert gas is between 0.5 and 20. Thus a closed inert gas layer is formed above the smouldering fire.
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