Patent ID: 9470418
Filing Date: 2016-10-18
CPC Classification: F23G

Claim Text:
1. A gas assist flare tip apparatus for enhancing smokeless combustion of a waste gas issuing from a flare stack riser through an open end comprising: a first shroud adapted to be positioned on said flare stack, said first shroud including an outer annular portion and an inner tubular portion having a diameter sized to allow said tubular portion to be slidable over said flare stack riser; an annular plenum partially formed by said tubular portion and said outer portion, said plenum having a first annular vent proximate said open end; and at least one air jet eductor having a discharge outlet opening into said plenum, said jet eductor comprising a venturi assembly having a body forming a motive nozzle, said body including a motive gas inlet, a suction inlet, and a venturi diffuser tube, said motive nozzle having a nozzle outlet opening into said diffuser tube, said diffuser tube having a discharge orifice forming said discharge orifice.