The invention provides a gas leakage preventing device for a tank opening of a tank car. The device is pushed by an expansion air bag embedded in an annular guide groove. The outer circumferential surface of an annular solid rubber ring is in close contact with the inner wall of the tank opening of the tank car, so that the tank opening of the tank car is sealed, and oil gas is completely recycled.

    一种槽车罐口防止气体泄漏装置,依托嵌入在圆环型导向凹槽上的,膨胀气囊来推动,圆环型实心橡胶圈外圆周面,与槽车罐口内壁的紧密接触,来实现槽车罐口的密封,达到油气的完全回收。


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    Title :

    Gas leakage preventing device for tank opening of tank car


    Additional title:

    一种槽车罐口防止气体泄漏装置


    Contributors:
    LI JIANWEI (author) / LI XIANLONG (author) / TIAN DEWANG (author)

    Publication date :

    2020-04-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B65D Behältnisse zur Lagerung oder zum Transport von Gegenständen oder Materialien [Container], z.B. Säcke, Beutel, Fässer, Flaschen, Dosen, Kästen, Büchsen, Schachteln, Packkörbe, Tonnen, Gläser, Flüssigkeitsbehälter, Trichtersilos, Transportbehälter , CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS



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