US 12,233,363 B2
Vapor distribution system in a concentric reboiler
Raymond Tucker, Derby, NY (US); Trung Pham, Fox River Grove, IL (US); Stephanie Fuyue Li, Mount Prospect, IL (US); Zhanping Xu, Inverness, IL (US); and James Althoff, Wilmette, IL (US)
Assigned to UOP LLC
Filed by UOP LLC, Des Plaines, IL (US)
Filed on Aug. 28, 2022, as Appl. No. 17/897,171.
Claims priority of provisional application 63/241,283, filed on Sep. 7, 2021.
Prior Publication US 2023/0074304 A1, Mar. 9, 2023
Int. Cl. B01D 3/32 (2006.01); B01D 3/00 (2006.01); F28D 1/02 (2006.01); F28D 1/04 (2006.01); F28F 13/06 (2006.01); F28D 21/00 (2006.01)
CPC B01D 3/322 (2013.01) [B01D 3/007 (2013.01); F28D 1/0213 (2013.01); F28D 1/04 (2013.01); F28F 13/06 (2013.01); F28D 2021/0063 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A distillation column comprising:
at least one heat exchanger,
wherein a bottom portion of the at least one heat exchanger is positioned within a bottom sump of said distillation column,
wherein said heat exchanger comprises a central vapor inlet pipe and an outer shell forming an annulus shaped space between said central vapor inlet pipe and an inner surface of said outer shell, and
wherein said heat exchanger contains a series of internal concentric ring baffles for directing flow of vapor inside said outer shell.