Pneumatic control device and marine LNG (Liquefied Natural Gas) fuel storage tank box

The utility model discloses a pneumatic control device and a marine LNG fuel storage tank, and belongs to the technical field of LNG fuel storage. The pneumatic control device comprises a first conveying pipeline, a second conveying pipeline and a third conveying pipeline, a liquid outlet of the fir...

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Bibliographische Detailangaben
Hauptverfasser: LU HAI, LI YONGLI, LYU CHANGLE, YANG QINGYI, FEI JINHUA, FAN XIA, YUAN JIAO, HE YUANXIN, XIONG ZHENYAN, WU HUIMIN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model discloses a pneumatic control device and a marine LNG fuel storage tank, and belongs to the technical field of LNG fuel storage. The pneumatic control device comprises a first conveying pipeline, a second conveying pipeline and a third conveying pipeline, a liquid outlet of the first conveying pipeline is communicated with a top liquid inlet of the marine LNG fuel storage tank, and a first pneumatic stop valve is arranged on the first conveying pipeline; a liquid outlet of the second conveying pipeline is communicated with a liquid inlet in the bottom of the marine LNG fuel storage tank box, and a second pneumatic stop valve is arranged on the second conveying pipeline; a liquid outlet of the third conveying pipeline is communicated with a liquid inlet of the first conveying pipeline and a liquid inlet of the second conveying pipeline, and a third pneumatic stop valve is arranged on the third conveying pipeline. The pneumatic control device and the marine LNG fuel storage tank can receive LN