JPH05296399

PURPOSE:To obviate the need of the heating equipment and heating cost by introducing the BOG (boil-off gas) after reliquefaction into a gas/liquid separating drum after raising the temperature by the BOG into which LPG is added and then separating LPG and using it again. CONSTITUTION:The BOG generat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAKAYAMA OSAMU, HANAMURE MASAKAZU
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
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Beschreibung
Zusammenfassung:	PURPOSE:To obviate the need of the heating equipment and heating cost by introducing the BOG (boil-off gas) after reliquefaction into a gas/liquid separating drum after raising the temperature by the BOG into which LPG is added and then separating LPG and using it again. CONSTITUTION:The BOG generated in an LNG tank 1 is recovered through a BOG line 5, and after compressed by a compressor 6, the BOG is mixed with the LPG supplied from an LPG adding line 11, and sent into a primary heat exchanger 9, and heat-exchanged with the BOG which is liquefied again, and sent into a secondary heat exchanger 10, and heat-exchanged with the LNG which is supplied from an LNG recovery line 2, and liquefied again, and the liquefied BOG is sent into a gas/liquid separating drum 8 through the primary heat exchanger 9. Then, LPG is separated in liquid form, and then added again to the BOG line 5 through the LPG adding line 11. Accordingly the need of the heating equipment is obviated, and then the small-sized equipment can be obtained at a low cost.