发明申请
US20060283208A1 Cryogenic air separation with once-through main condenser 有权
低温空气分离与一次性主冷凝器

Cryogenic air separation with once-through main condenser
摘要:
A cryogenic air separation system wherein nitrogen vapor from a higher pressure column and oxygen liquid from a lower pressure column each pass down through a once-through main condenser in heat exchange relation and some but not all of the oxygen liquid is vaporized such that the oxygen liquid and vapor exit the condenser in a liquid to vapor mass flowrate ratio within the range of from 0.05 to 0.5 whereby the need for a recirculation pump to ensure avoidance of oxygen boiling to dryness is eliminated.
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