B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 8/04 (2006.01) B01J 19/26 (2006.01) B05B 1/26 (2006.01)
Patent
CA 2170139
The uniform distribution of mixed phase fluid stream on to the top of a contact bed (18) in a reactor chamber (10) is provided by a horizontal tray (22) with a plurality of spaced-apart vertically disposed chimneys (24) extending through the tray (22). These chimneys (24) have a first end to receive liquid and gas above the tray and a second end (30) for distributing the liquid and gas downwardly below the tray. Importantly, the second end is provided with a spray generating device (23) located below the tray (12) for producing a conical downward spray of the mixed fluid phase onto the top surface of a bed of contact material positioned below the tray (22). The spray generating devices (23) for producing the conical spray are located at positions so that the spray of the mixed fluid stream from one spray generating device as it impinges on the top surface of the fixed bed (18), will overlap the spray from an adjacent spray generating device (23).
La répartition uniforme d'un flux de fluide en phase mixte passant sur un lit de contact (18) dans la chambre (10) d'un réacteur est assurée par un plateau horizontal (22) muni de plusieurs cheminées (24) verticales séparées le traversant. Lesdites cheminées (24) présentent une première extrémité recevant le liquide et le gaz, placée au-dessus du plateau, et une seconde extrémité (30) placée en dessous du plateau, répartissant le liquide et le gaz vers le bas. La seconde extrémité est munie, et c'est un point important, de dispositifs de pulvérisation (23) situés sous le plateau (12) et produisant un jet conique de fluide dirigé sur la surface supérieure du lit de matériaux de contact placé sous le plateau (22). Les dispositifs de pulvérisation (23) sont situés en des points tels que le jet heurtant la surface supérieure du lit fixe (18) en provenance d'un des dispositifs de pulvérisation vient chevaucher le jet provenant d'un dispositif de pulvérisation adjacent (23).
Dankworth David C.
Koros Robert M.
Wong Yiu Wah
Wyatt John T.
Borden Ladner Gervais Llp
Exxon Research & Engineering Company
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