Heat exchange unit for a cryogenic air separation system

Details Heat exchange unit for a cryogenic air separation system Heat exchange unit for a cryogenic air separation system

1997-08-20

2000-04-04

Atkinson, Christopher

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

165140, 165165, 62903, F28F 300

Patent

active

060449020

ABSTRACT:
A heat exchanger having a first counterflow heat exchange unit with first and second segments wherein a flow of at least one product from a cryogenic air separation unit is channeled in a first direction along both the first and second segments and a second counterflow heat exchange unit is juxtaposed to the second segment of the first counterflow heat exchange unit and receives a flow of feed air which is channeled in a second direction that is counter to the first direction and allows heat exchange between the product and the air. A crossflow subcooling unit is juxtaposed to the first segment and receives at least one process cryogenic liquid from the air separation system for subcooling.

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