Catalytic reactor cartridge

F - Mech Eng,Light,Heat,Weapons – 01 – N

Patent

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Details

F01N 13/02 (2010.01) F01N 13/18 (2010.01) B01J 8/04 (2006.01) B01J 19/24 (2006.01) B01J 19/32 (2006.01) B25F 1/00 (2006.01) F01N 3/28 (2006.01)

Patent

CA 2604959

A reactor cartridge includes a plurality of spaced- apart monoliths , formed along a tube or other mandrel . Each monolith is formed of a pair of flat and corrugated metal strips , spirally wound around the tube . These strips could be made of solid or screen material . The corrugations are skewed, such that the monolith imparts a swirl to gases flowing through it . The corrugations of the strips in adjacent monoliths are oriented differently, so that successive monoliths impart different swirls to the gases, so as to promote mixing of gases and better heat transfer from the exterior to the interior of the cartridge. An insertion and removal tool simplifies the procedure for stacking such cartridges in a long pipe, or for removing cartridges from the pipe. The all-metal construction facilitates heat transfer through the entire reactor, and avoids the problems associated with packed ceramic beds.

L'invention concerne une cartouche de réacteur comprenant plusieurs monolithes espacés formés le long d'un tube ou autre mandrin. Chaque monolithe est constitué d'une paire de bandes métalliques plates et ondulées, enroulées en spirale autour du tube. Ces bandes pourraient être constituées d'un matériau solide ou écran. Les ondulations sont inclinées de telle façon que le monolithe confère un tourbillon aux gaz qui s'y écoulent. Les ondulations des bandes dans des monolithes adjacents sont orientées différemment de telle façon que des monolithes successifs confèrent des tourbillons différents aux gaz de manière à favoriser le mélange des gaz et à améliorer le transfert de chaleur de l'extérieur vers l'intérieur de la cartouche. Un outil d'insertion et de retrait simplifie la procédure d'empilement de telles cartouches dans un long conduit ou de retrait des cartouches du conduit. La construction tout-métal facilite le transfert de chaleur via l'ensemble du réacteur et évite le problème lié aux lits céramiques empaquetés.

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