B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
B01F 5/06 (2006.01) C10G 1/04 (2006.01) F16L 9/19 (2006.01)
Patent
CA 2549895
A static hydrodynamic mixer undulating interior conduit provides a static mixing apparatus which utilizes a spiral, coiled or curved conduit to cause dynamic mixing of flowing fluids while they are pumped through the conduit. The conduit is formed wherein the diameter of the conduit is greater than the diameter of the helix forming the coil. Gentle but pervasive low-shear mixing is produced by axial and radial secondary currents induced by gravitational and centrifugal body forces acting on the solid and liquid fluid components flowing through the undulating conduit. The vigor of mixing and resistance to flow increases with the undulation's amplitude/pitch ratio. The application includes a method of use in extracting bitumen from oil sands.
L'invention concerne un mélangeur statique hydrodynamique à tuyau intérieur ondulé qui permet d'obtenir un mélangeur statique faisant intervenir un tuyau spiralé, en serpentin ou incurvé afin d'assurer un mélange dynamique de fluides d'écoulement pendant que ces derniers sont pompés dans le tuyau. Un mélange à faible cisaillement délicat mais efficace est produit par des courants secondaires axiaux et radiaux induits par des forces gravitationnelle et centrifuge agissant sur les composants liquides et solides du fluide coulant dans le tuyau ondulé. La vigueur du mélange et la résistance au flux augmentent avec le rapport grandeur/pas de l'ondulation. L'invention concerne également un procédé d'utilisation associé pour l'extraction de bitume à partir de sables bitumineux.
Bennett Jones Llp
Undultec Inc.
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