Patent ID: 6485292
Filing Date: 2002-11-26
Classification: F23G

Abstract:
A flare stack system for a natural gas dehydrator for disposing of BTEX and/or VOC containing off gases, including vapors and liquids that originate from gas processing equipment comprising:an upright flare stack having a closed lower end communicating at an upper end with the atmosphere; a generally upright cylindrical steam cup supported within a lower interior portion of said flare stack; a gas inlet having an inner end extending into said flare stack and into said steam cup and serving to convey off gasses into said flare stack and collect any liquid carried by said off gasses, an annular liquid retention cup, liquid tight on at least three sides, said retention cup positioned below an inner end of said gas inlet; and a burner positioned within said flare stack below said steam cup and connected to receive and burn a combustion gas/air mixture, heat produced by the burner serving to vaporize any liquid collected in said steam cup and to combust any BTEX and/or VOC components of said off gasses and vaporized liquid into inert oxidized states that pass out said flare stack upper end.