主权项 |
1. A housing assembly for a flare tip apparatus usable on a flare stack riser having a first diameter and an upper end, comprising:
an inner tubular portion with an upper end and a second diameter sufficiently greater than said first diameter to allow said tubular portion to be slidably received over said upper end of said flare stack riser; an annular shroud in surrounding relationship and attached to said tubular portion, a first annulus being formed between said first shroud and said tubular portion, said annular shroud having an upper shroud end, a vent being formed between said upper shroud end and said upper end of said tubular portion; and a releasable retainer system holding said housing assembly on said flare stack riser. |