US 12,253,024 B2
Recuperative heat exchanger system
Richard John Jibb, Bloomfield, NJ (US); David Guymon, Bloomfield, NJ (US); Ron Herbanek, Bloomfield, NJ (US); Vincenzo Marco Brignone, Bloomfield, NJ (US); and Roberto Groppi, Bloomfield, NJ (US)
Assigned to LUMMUS TECHNOLOGY LLC, Bloomfield, NJ (US)
Filed by LUMMUS TECHNOLOGY LLC, Bloomfield, NJ (US)
Filed on May 14, 2021, as Appl. No. 17/321,212.
Claims priority of provisional application 63/045,675, filed on Jun. 29, 2020.
Prior Publication US 2021/0404350 A1, Dec. 30, 2021
Int. Cl. F02C 6/18 (2006.01); F02C 3/34 (2006.01); F02C 7/10 (2006.01); F28D 7/06 (2006.01); F28D 20/00 (2006.01); F28D 21/00 (2006.01); F01K 9/00 (2006.01)
CPC F02C 6/18 (2013.01) [F02C 3/34 (2013.01); F02C 7/10 (2013.01); F28D 7/06 (2013.01); F28D 21/0003 (2013.01); F01K 9/003 (2013.01); F05D 2220/72 (2013.01); F28D 2020/0082 (2013.01); F28D 2020/0086 (2013.01); F28D 21/001 (2013.01); F28D 21/0014 (2013.01); F28D 2021/0026 (2013.01); Y02E 20/16 (2013.01)] 17 Claims
OG exemplary drawing
 
12. A system, comprising:
a turbine configured to output exhaust gases;
a combustor in communication with the turbine; and
a recuperative heat exchanger system in communication with the turbine, including:
at least one precool section;
a major heat exchange section; and
a minor heat exchange section,
wherein the at least one precool section is configured to receive and to cool all of the exhaust gases from the turbine against an oxidant flow output from the minor heat exchange section and output a flow of cooled exhaust gases,
wherein the major heat exchange section is configured to receive a first portion of the flow of cooled exhaust gases output from the at least one precool section, and the minor heat exchange section is configured to receive a second portion of the flow of cooled exhaust gases output from the at least one precool section, an amount of the first portion being different than an amount of the second portion, and
wherein the oxidant flow output from the minor heat exchange section and a recycle flow output from the major heat exchange section are provided separately to the combustor.