C - Chemistry – Metallurgy – 10 – B
Patent
C - Chemistry, Metallurgy
10
B
C10B 25/04 (2006.01) C10B 1/00 (2006.01) C10B 1/04 (2006.01) C10B 25/10 (2006.01) C10B 25/22 (2006.01) F23M 7/00 (2006.01)
Patent
CA 2341710
A semi automatic coke drum deheader device (22) for use on a coke drum wherein the coke drum includes an upper opening (7), a flange (6) surrounding the upper opening (7) and a first vessel cover (2) releasably attached to the flange (6). The deheader device (22) comprises a frame (34a) attached to the coke drum, a bridge (1) for supporting the first vessel cover (2) and a second vessel cover (4), a central shaft (13) having a distal end (13a). A lift assembly is attached to the frame (34a) for engaging the thrust collar (37) to selectively raise and lower the bridge (1) relative to the flange (6), and a rotational assembly is operatively connected to the central shaft (13) for rotating the bridge (1) to selectively align the first vessel cover (2) or the second vessel cover (4) above the flange (6) during the delayed coking process.
L'invention concerne un dispositif d'étêtage semi-automatique (22) destiné à une tour à coke pourvue d'une ouverture supérieure (7), d'un rebord (6) entourant l'ouverture supérieure (7) et d'un premier couvercle de cuve (2) fixé de manière détachable au rebord (6). Ce dispositif d'étêtage (22) comporte une structure (34a) fixée à la tour à coke, un pont (1) destiné à soutenir un premier couvercle de cuve (2) et un second couvercle de cuve (4), enfin un arbre central pourvu d'une extrémité distale (13a). Un ensemble de levage, qui est solidaire de la structure (34a) et qui vient prendre dans le collet de butée (37) permet de soulever et d'abaisser sélectivement le pont (1) par rapport au rebord (6). Un ensemble rotatif relié de manière fonctionnelle à l'arbre central (13) fait tourner le pont (1) et aligne le premier couvercle de cuve (2) ou le second couvercle de cuve (4) sur le rebord (6) pendant la cokéfaction retardée.
Bechtel Corporation
Conoco Inc.
Kirby Eades Gale Baker
LandOfFree
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