METHOD FOR THE PRODUCTION OF AIR GASES BY THE CRYOGENIC SEPARATION OF AIR

FIELD: technological processes.SUBSTANCE: method and device for producing air gases by cryogenic air separation, steps of transmitting a stream of cleaned and compressed air into a refrigerating chamber for cryogenic separation of the air stream into an oxygen product and nitrogen using a column sys...

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Bibliographische Detailangaben
Hauptverfasser:	KONG, Paul, PHAM-HUY, Minh, YIP, Wendy
Format:	Patent
Sprache:	eng ; fre ; ger
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:	FIELD: technological processes.SUBSTANCE: method and device for producing air gases by cryogenic air separation, steps of transmitting a stream of cleaned and compressed air into a refrigerating chamber for cryogenic separation of the air stream into an oxygen product and nitrogen using a column system, extraction of oxygen product at product pressure, delivery of oxygen product at oxygen delivery pressure to pipeline. Cleaned and compressed air flow is under supply pressure at ingress into the column system. Oxygen pipeline has pressure of the pipeline. Pipeline pressure is monitored and reduced difference between pipeline pressure and delivery pressure.EFFECT: due to dynamic operation energy saving can be realized in cases, when pressure of pipeline deviates from its highest value.13 cl, 3 dwg