Emergency separation unloading arm system for LNG (Liquefied Natural Gas) transportation and method thereof

The invention relates to an emergency separation unloading arm system for LNG (liquefied natural gas) transportation, an LNG unloading arm is arranged between an LNG transport ship and an LNG storage tank and comprises a supporting column, an inner arm, a first outer arm, a second outer arm and a co...

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Bibliographische Detailangaben
Hauptverfasser:	WANG LEI, XUE XIAOCHUN, ZHOU YUAN, WANG LIN, NIU YAHENG, JIANG KUNLUN, ZHANG LIFENG, ZHUANG CHAOHUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES STORING OF DISTRIBUTING GASES OR LIQUIDS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TAPS THERMAL INSULATION IN GENERAL VALVES VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to an emergency separation unloading arm system for LNG (liquefied natural gas) transportation, an LNG unloading arm is arranged between an LNG transport ship and an LNG storage tank and comprises a supporting column, an inner arm, a first outer arm, a second outer arm and a conveying pipe penetrating through the supporting column, the inner arm, the first outer arm and the second outer arm, a first rotating joint is arranged between the supporting column and the inner arm, and a second rotating joint is arranged between the first rotating joint and the second rotating joint. A second rotating joint is arranged between the inner arm and the first outer arm, an emergency separating device is arranged between the first outer arm and the second outer arm, a third rotating joint is arranged between the emergency separating device and the first outer arm, and the conveying pipe is separated into a first conveying pipe and a second conveying pipe by the emergency separating device. The ball va