Structured packing elements

B - Operations – Transporting – 01 – J

Patent

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Details

B01J 19/32 (2006.01) B01D 3/00 (2006.01) B01F 5/06 (2006.01) F28F 25/08 (2006.01)

Patent

CA 2176128

A device for changing contact between a first fluid having a predominate direction of flow and a second fluid, comprises a layer of material generally disposed in a plane that is aligned with the direction of flow. The layer has a plurality of rows of corrugations (28) projecting out of the plane for deflecting the fluids. Each row of corrugations is arranged in a diagonal (43, 45) with respect to the direction of flow so that an elongated vertex (40, 44) of each corrugation in said row is offset from the elongated vertex (42, 46) of an adjacent corrugation in the row with respect to the diagonal. Among other advantages, the offset, diagonally adjacent vertices are highly effective in interrupting the liquid and vapor flows, thereby improving mixing efficiency while also decreasing vapor pressure drop and increasing flow throughput.

Dispositif permettant d'améliorer le contact entre un premier fluide s'écoulant dans une direction principale et un deuxième fluide, ce dispositif comprenant une couche de matière qui est globalement disposée dans un plan lui-même aligné sur le sens de l'écoulement. Cette couche comporte plusieurs rangées de striures (28) qui sortent du plan pour dévier les fluides. Chaque rangée de striures est disposée en diagonale (43, 45) par rapport au sens de l'écoulement de sorte qu'un apex allongé (40, 44) de chacune des striures de ladite rangée est décalé de l'apex allongé (42, 46) d'une striure adjacente dans la rangée par rapport à la diagonale. Parmi d'autres avantages, les apex décalés, adjacents dans le sens diagonal sont très efficaces pour interrompre les écoulements de liquide et de vapeur, ceci améliorant l'efficacité de mélange tout en réduisant la chute de la pression de vapeur et en augmentant le débit de l'écoulement.

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