B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 35/28 (2006.01) B01D 24/00 (2006.01) B01D 24/14 (2006.01) B01D 29/11 (2006.01) B01J 8/02 (2006.01) B21F 27/00 (2006.01)
Patent
CA 2104584
An elongated screen assembly, which in various forms, is useful as a scallop in a reactor, or as an underdrain for a gravity filter system, has a cross-section in a direction normal to its axis which is at least twice as wide as it is high. A method is also disclosed for manufacturing the screen assembly by pressing the opposed sides of a wrapped wire cylindrical screen assembly between a pair of plates which have radii of curvature which are different from each other and greater than the radius of curvature of the cylindrical screen assembly.
Elément de tamis allongé utilisé, sous différentes formes, dans un réacteur, ou comme drainage inférieur dans un système de filtrage par gravité. Cet élément présente, dans un sens perpendiculaire à son axe, une section transversale dont la largeur est égale à au moins deux fois la hauteur. On décrit également un procédé de fabrication de ce tamis, consistant à comprimer les côtés opposés d'un tamis cylindrique à fil sous gaine entre une paire de plaques dont les rayons de courbure sont différents l'un de l'autre et supérieurs au rayon de courbure du tamis cylindrique.
Evans Thomas W.
Maxson Richard C.
Norell Robert G.
Uban Stephen A.
Macrae & Co.
Weatherford/lamb Inc.
Wheelabrator Engineered Systems Inc.
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