US 12,345,469 B2
Air separation unit by cryogenic distillation
Remy Kurtz, Zhejiang (CN); Patrice Cavagne, Le Perreux sur Marne (FR); and Delphine Vallier, Saint Pierre la Garenne (FR)
Assigned to L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude, Paris (FR)
Filed by L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude, Paris (FR)
Filed on Jul. 13, 2023, as Appl. No. 18/221,509.
Application 18/221,509 is a continuation of application No. 16/962,823, granted, now 11,740,015, previously published as PCT/CN2018/074328, filed on Jan. 26, 2018.
Prior Publication US 2023/0358467 A1, Nov. 9, 2023
Int. Cl. F25J 3/04 (2006.01)
CPC F25J 3/04412 (2013.01) [F25J 3/04878 (2013.01); F25J 3/04678 (2013.01); F25J 3/04703 (2013.01); F25J 2235/50 (2013.01); F25J 2235/58 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A pump module configured for use in an air separation plant having one or more rectification columns configured to separate nitrogen and oxygen from a cooled air stream and an argon module containing one or more argon columns, the pump module having a pump, which is configured to deliver a fluid from a lower portion of the argon module to a second location that is at a location disposed higher than the lower portion of the argon module, wherein the pump module is configured to be disposed under the argon module and configured to provide at least partial structural support for the argon module,
wherein the pump is contained within a first insulated enclosure,
wherein a first argon column is contained within a second insulated enclosure,
wherein the first insulated enclosure is contained partially within the first supporting structure and partially within the second insulated enclosure.