BOIL-OFF GAS RELIQUEFYING METHOD

PROBLEM TO BE SOLVED: To provide a boil-off gas reliquefying method permitting efficient elimination of nitrogen which is impurities, while suppressing the discharge of useful substance such as methane. SOLUTION: In this boil-off gas reliquefying method, boil-off gas generated from a liquefied gas s...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	MIHASHI KOJI, NAKAMURA MORITAKA, OMORI MOTOHIRO, HATANAKA NOBUO, TOMINAGA EIJI, OKA MASARU, OTAKE KAZUHIKO, IRIE TOSHIKAZU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS 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 STORING OF DISTRIBUTING GASES OR LIQUIDS VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a boil-off gas reliquefying method permitting efficient elimination of nitrogen which is impurities, while suppressing the discharge of useful substance such as methane. SOLUTION: In this boil-off gas reliquefying method, boil-off gas generated from a liquefied gas storage tank 1 is liquefied by a compressor 2 and a cooler 3 and once led to a gas-liquid separating drum 6, and only the liquid obtained in the gas-liquid separating drum 6 is returned to the storage tank 1. In this case, the liquid obtained in the gas-liquid separating drum 6 is returned to a mist separating drum 5 provided upstream of the compressor 2, and returned to the storage tank 1 after nitrogen contained in the liquid is flashed in the boil-off gas by decompression.