Off-gas flare
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United States of America Patent
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Oct 8, 2013
Grant Date -
Feb 3, 2011
app pub date -
Oct 8, 2010
filing date -
Apr 18, 2008
priority date (Note) -
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Abstract
An off-gas flare system for disposing of a waste gas stream containing BTEX and VOC contaminants, and for safely handling slugs of excess liquids entrained in the waste gas stream. The flare system includes a flare stack, an enclosed steam tank disposed within the flare stack for receiving the waste gas stream and vaporizing any liquids in the waste gas stream into vapors, and an enclosed liquid tank disposed below the steam tank and in fluid communication with the steam tank for receiving the heated waste gas and liquid vapors and for temporarily containing any excess non-vaporized liquids. The flare also includes a waste gas burner disposed in the flare stack adjacent the steam tank and in fluid communication with the liquid tank, and a continuous means for igniting the waste gas burner.
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