Plate-type reactor with a removable catalytic structure

Details Plate-type reactor with a removable catalytic structure Plate-type reactor with a removable catalytic structure

B - Operations, Transporting

01

J

B01J 19/24 (2006.01)

Patent

CA 2563852

A compact catalytic reactor comprises a stack of plates (72, 74, 75) to define a multiplicity of first and second flow channels arranged alternately in the stack; each flow channel in which a chemical reaction is to take place is defined by straight-through channels across at least one plate, each such straight-through channel containing a removable gas-permeate catalyst structure (80) incorporating a metal substrate. The first flow channels (76) are oriented in a direction that is perpendicular to that of the second flow channels (77), and between successive second flow channels in the stack the reactor defines at least three side-by-side first flow channels (76); and the reactor incorporates flow diversion means (80; 88) such that the first fluid must flow through at least three such first flow channels (76) in succession, in flowing from an inlet to an outlet. The overall flow paths can therefore be approximately co-current or counter-current.

L'invention concerne un réacteur catalytique compact comprenant une pile de plaques (72, 74, 75) définissant une pluralité de premiers et de seconds canaux d'écoulement disposés en alternance dans la pile. Chaque canal d'écoulement dans lequel doit se produire une réaction chimique est défini par des canaux continus dans au moins une plaque, chaque canal continu contenant une structure (80) de catalyseur perméable aux gaz incorporant un substrat métallique. Les premiers canaux (76) d'écoulement sont orientés dans une direction perpendiculaire à celle des seconds canaux (77) d'écoulement, et entre les seconds canaux d'écoulement successifs de la pile, le réacteur définit au moins trois premiers canaux (76) d'écoulement adjacents. Le réacteur incorpore un moyen (80, 88) de déviation de débit grâce auquel le premier fluide s'écoule dans au moins trois premiers canaux (76) d'écoulement successifs, d'une entrée vers une sortie. L'ensemble des voies d'écoulement peuvent ainsi être approximativement à co-courant ou à contre-courant.

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