B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
137/137, 259/97
B01F 5/06 (2006.01) B01F 5/04 (2006.01) F15D 1/08 (2006.01) F23D 1/02 (2006.01) F23D 11/00 (2006.01) F23D 14/02 (2006.01) B01F 5/00 (2006.01)
Patent
CA 1288420
ABSTRACT A fluid mixing device has a wall structure defining a chamber having a fluid inlet and a fluid outlet disposed generally opposite the inlet. The chamber is larger in cross- section than the inlet at least for a portion of the space between the inlet and outlet. The device also includes flow separation means to cause a flow of a first fluid wholly oc- cupying said inlet to separate from said wall structure up- stream of the outlet. The distance between the flow separa- tion means and the outlet is sufficiently long in relation to the width of the chamber for the separated flow to reattach itself asymmetrically to the chamber wall structure upstream of the outlet and to exit the chamber through the outlet asymmetrically, whereby a reverse flow of the first fluid at the reattachment and/or a flow of a second fluid induced from the exterior of the chamber through the outlet swirls in the chamber between said flow separation and the reattachment and thereby induces precession of the separated/reattached flow, which precession enhances mixing of the flow with the second fluid to the exterior of the chamber. A method of mixing and a fluid flow control device are also disclosed.
564045
Luxton Russell Estcourt
Nathan Graham Jerrold
Bereskin & Parr
Luminis Pty. Ltd.
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