The invention discloses a tank car tank opening double-layer sealing cover, and belongs to the technical field of sealing equipment, the tank car tank opening double-layer sealing cover comprises a large cover plate, the large cover plate is used for sealing a tank car large tank opening, the large cover plate is provided with an oil gas recovery gas outlet pipe, a sealing seat and a material conveying pipe connecting port, the oil gas recovery gas outlet pipe is used for oil gas recovery, and the oil gas recovery gas outlet pipe is provided with a connecting flange; a sealing ring a is arranged on the lower edge of the large cover plate and used for being in contact with a large tank opening for sealing, a positioning cylinder is arranged on the lower portion of the large cover plate, a small cover plate is arranged on the positioning cylinder, the diameter of the small cover plate is smaller than that of the large cover plate, a sealing ring b is arranged on the lower portion of the small cover plate, and the sealing ring a is used for being in contact with the large tank opening for sealing. The technical problems that existing equipment is inconvenient to use, high in replacement cost and the like are solved, and the sealing device is mainly applied to sealing of different tank openings of tank cars.

    本发明公开了一种槽车罐口双层密封盖,属于密封设备技术领域,包括大盖板,大盖板用于槽车大罐口进行密封,所述的大盖板上设有油气回收出气管、密封座和输料管连接口,油气回收出气管用于油气回收,油气回收出气管上设有连接法兰,所述的大盖板的下边缘设有密封圈a,密封圈a用于与大罐口接触进行密封,大盖板的下部设有定位筒体,所述的定位筒体上设有小盖板,小盖板的直径小于大盖板的直径,所述的小盖板的下部设有密封圈b,解决了现有设备使用不方便、更换成本高等技术问题,主要应用于槽车不同罐口的密封问题。


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    Title :

    Double-layer sealing cover for tank opening of tank car


    Additional title:

    一种槽车罐口双层密封盖


    Contributors:
    CHEN PUKUAN (author) / ZHAO HUASU (author) / WU LIFENG (author)

    Publication date :

    2023-05-05


    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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