Patent ID: 9174178
Filing Date: 2015-11-03
Classification: B01F

Abstract:
1. A fluid mixing assembly comprising: a main feed tube; a mixture-carrying tube downstream of the main feed tube; an orifice provided in a wall separating the main feed tube from the mixture-carrying tube wherein the wall in which the orifice is provided includes a curved entry surface on an upstream side of the orifice, and a curved exit surface on a downstream side of the orifice; and a plurality of injection tubes disposed about the main feed tube and projecting through a side-wall of the main feed tube, each of the injection tubes having an exit in fluid communication with an interior of the main feed tube and being directed toward the orifice, wherein each of the plurality of injection tubes is disposed at an angle of about 30° relative to an axis of the main feed tube, wherein at least one of the injection tubes is of a smaller inner diameter than the other of the injection tubes and wherein the exit of the injection tube having the smaller inner diameter is disposed approximately equidistant to each of a first end and a second end of a major axis of the orifice, the orifice being of a rectangular or an elliptical shape.