Loading patent…
AssigneeExxonMobil Research and Engineering Company
InventorsJay T. AXNESS, Chithranjan NADARAJAH, Ramesh GANDHI, Mitchell J. MOLONEY, David S. SINCLAIR
Estimating the term…
Coke drum assembly is provided with a vessel having a body portion defining an interior, a central axis, and having a lower portion including a sidewall, and at least one feed inlet coupled with the lower portion in fluid communication with the interior of the vessel. The at least one feed inlet is directed toward the central axis of the vessel, and angled upwardly at a feed inlet angle relative to the central axis. At a location opposite the feed inlet, the side wall of the lower portion is angled upwardly at an opposing wall angle relative to the central axis, wherein the feed inlet angle is less than or equal to the opposing wall angle. Method also is provided for delayed coking using the coke drum assembly disclosed herein.
A coke drum assembly comprising:
The coke drum assembly of claim 8, wherein the at least one feed inlet includes at least two feed inlets spaced about the lower portion of the vessel, the feed pipe system including a primary feed pipe and a plurality of branch feed pipes extending from the primary feed pipe, each branch feed pipe extending to a respective one of the at least two feed inlets.
A method of delayed coking comprising:
The method of claim 10, wherein providing the coke drum assembly includes providing at least two feed inlets evenly spaced about the lower portion around the central axis of the vessel.
The method of claim 11, wherein the fluid stream through each of the at least two feed inlets are substantially similar.
Dependencies are inferred from the claim text.