Reactor for partial oxidation with heat-transfer sheet modules

B - Operations – Transporting – 01 – J

Patent

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Details

B01J 19/32 (2006.01) B01J 19/24 (2006.01) C07C 57/04 (2006.01)

Patent

CA 2532646

The invention relates to a reactor for partial oxidation of a fluid reaction mixture in the presence of a heterogeneous particulate catalyst. Said reactor comprises one or several cuboid heat-transfer sheet modules (1) which are each composed of two or several right-angled heat-transfer sheets (2), arranged parallel to each other such as to form a slit (3) which can be filled with the heterogeneous particulate catalyst and through which the fluid reaction mixture flows, the heat of reaction being absorbed by a heat carrier which flows through the heat-transfer sheets (2) and at least partially evaporates. Said reactor also comprises a mainly cylindrical envelope (4, 15, 16) which depressurizes the heat-transfer sheet modules and fully surrounds said modules, said envelope being composed of a cylinder casing (4) and of caps (15, 16), closing said casing at both ends, the longitudinal axis of which extends parallel to the plane of said heat-transfer sheets (2). Said reactor finally comprises one or several sealing elements (7, 23), arranged so that the fluid reaction mixture flows only through the slit (3), except through the reactor interior spaces, defined by the caps (15, 16).

L'invention concerne un réacteur pour oxydations partielles d'un mélange réactionnel fluide, en présence d'un catalyseur hétérogène sous forme de particules, comprenant : un ou plusieurs modules (1) formés de plaques de tôle thermiques en forme générale de carreau, modules constitués chacun par deux ou plusieurs plaques de tôle thermiques carrées (2) agencées parallèlement entre elles, tout en ménageant entre elles une fente (3) qui est remplie d'un catalyseur hétérogène sous forme de particules et qui est parcourue par un mélange réactionnel fluide, la chaleur de réaction étant absorbée par un caloporteur circulant au travers des plaques de tôle (2) et, de ce fait, se vaporisant au moins partiellement au passage ; une enveloppe (4, 15, 16) de forme générale cylindrique, équilibrant en pression les modules de plaques de tôle, entourant complètement ceux-ci, constituée par une enveloppe cylindrique (4) et par des dômes (15, 16) fermant cette enveloppe aux deux extrémités, et dont l'axe longitudinal s'étend parallèlement au plan des plaques de tôle (2) ; et un ou plusieurs éléments d'étanchéité (7, 23), agencés de telle façon que le mélange réactionnel fluide circule uniquement à travers la fente (3), en dehors des espaces intérieurs du réacteur limités par les dômes (15, 16).

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