Patent ID: 6170979
Filing Date: 2001-01-09
Classification: B01F

Abstract:
An injection apparatus for introducing one or more additives to a gaseous or liquid stream in a pipeline, comprising:a plate member securable between end flanges of adjacent sections of pipe in a pipeline and having an aperture with a diameter being substantially equal to a diameter of the pipeline, said plate member having an inlet for introducing an additive to a gaseous or liquid stream; and,an array of one or more cross-bar members extending across the aperture of said plate member with at least one said cross-bar member having a duct leading from the inlet in said plate member, the duct extending radially inwards of the aperture of said plate member, within said cross-bar member, and towards, but not beyond, the central axis of the injection apparatus, wherein the duct has a terminal portion positioned adjacent said axis, the duct further including at least one outlet open from said cross-bar member from a downstream side of said cross-bar member.