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AssigneeIfp Energies Nouvelles
InventorsFrederic Bazer-Bachi, Frederic Augier, Yacine Haroun, Christophe Boyer
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The present invention concerns a plate for distributing a polyphase mixture in a reactor operating in trickle bed mode constituted by at least one gas phase and at least one liquid phase, the plate (10) being located above a bed of catalytic particles, comprising a plurality of chimneys (3), characterized in that a portion of the chimneys of the plate located near to the wall of the chamber of the reactor, those termed the peripheral chimneys, have an upper portion which is inclined at an angle with respect to the vertical. The invention also concerns the use of the plate in a reactor with a view to carrying out hydrotreatment, hydrogenation or oxidation reactions.
A distributor plate (10) for distributing a polyphase mixture in a reactor terminating in a semi-spherical dome (2), the plate (10) being located in the upper portion of the reactor above a bed of catalytic particles (30), and being constituted by a plurality of chimneys (3) provided with orifices (4) for the passage of liquid distributed over the whole height (Hc) of said chimneys, and an orifice (5) for the passage of gas located at their upper ends, characterized in that the portion of the chimneys located at the periphery of the plate (those termed peripheral chimneys) have their upper portion inclined by an angle alpha with respect to the vertical, the angle alpha having a value in the range 10° to 45°, the inclination being approximately directed towards the centre of the reactor, and the peripheral chimneys being located at a distance (D1) in the range 25 to 450 mm from the wall (1 or 2) of the reactor.
Dependencies are inferred from the claim text.