Reactor having improved heat transfer

Details Reactor having improved heat transfer Reactor having improved heat transfer

F - Mech Eng,Light,Heat,Weapons

28

D

F28D 11/00 (2006.01)

Patent

CA 2616731

A catalytic reactor or heat exchanger includes a monolith defining a plurality of leaves, the monolith having a generally annular cross -section. The monolith is disposed within a generally cylindrical outer tube, and around a corrugated inner tube. The reactor includes a device for urging the monolith radially outward, so as to maintain contact between the monolith and the outer tube. Such device may include a coned washer, or it may be defined by a folded flap that is integral with the inner tube. In either case, the reactor compensates for metal creep, and virtually insures continued contact between the monolith and the outer tube.

La présente invention concerne un réacteur catalytique ou un échangeur de chaleur qui inclut un monolithe définissant une pluralité de feuilles, la section transversale du monolithe étant généralement annulaire. Le monolithe est placé à l'intérieur d'un tube externe généralement cylindrique et autour d'un tube interne ondulé. Le réacteur inclut un dispositif qui pousse radialement le monolithe vers l'extérieur afin de maintenir le contact entre le monolithe et le tube externe. Un tel dispositif peut inclure une rondelle conique ou il peut être défini par un rabat replié qui fait partie intégrante du tube interne. Dans l'un et l'autre cas, le réacteur compense la dilatation du métal à la chaleur et il assure un contact pratiquement continu entre le monolithe et le tube externe.

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