Processo para a produção de ar de sopro enriquecido com oxigênio de aparelho

Oxygen-enriched blast air is produced by compressing air (125), dividing into blast (127) and feed (128) streams, and passing the feed stream to a double cryogenic rectification column with higher- and lower-pressure columns (100,200), from which intermediate O2 is passed to a side column (300) for...

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Bibliographische Detailangaben
Hauptverfasser:	GERALD ANTHONY PAOLINO, CRAIG STEVEN LAFORCE, NEIL MARK PROSSER, RAYMOND FRANCIS DRNEVICH
Format:	Patent
Sprache:	por
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MIXTURES BY PRESSURE AND COLD TREATMENT REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	Oxygen-enriched blast air is produced by compressing air (125), dividing into blast (127) and feed (128) streams, and passing the feed stream to a double cryogenic rectification column with higher- and lower-pressure columns (100,200), from which intermediate O2 is passed to a side column (300) for sepg. into higher O2 content fluid and vapour. The vapour is returned to the lower-pressure column, some fluid is vaporised by heat-exchange with the feed air, and remaining fluid is withdrawn and combined with the blast stream. Also claimed is a second process in which a lower purity oxygen stream is taken from the double column and combined with the blast stream. An appts. is also claimed.