The invention discloses a poison gas blocking device for a ship ventilation system. The poison gas blocking device comprises a frame and a poison gas baffle, wherein the frame and the poison gas baffle are mounted in a main vent pipe. The frame is provided with a clamping groove matched with the poison gas baffle. The periphery, making contact with the clamping groove, of the poison gas baffle is provided with fire-resistant rubber. A locking lug plate used for pressing the poison gas baffle tightly is arranged on the upper portion of the frame. The locking lug plate is connected with locking mechanisms. A fire-resistant sealing gasket is arranged between the locking lug plate and an inlet of the clamping groove. The locking lug plate and the locking mechanisms are used for pressing the poison gas baffle down to make the fire-resistant rubber closely attached to the wall of the clamping groove, so that ventilation is isolated, and poison gas is prevented from entering a ship cabin through the ventilation pipeline system.


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    Titel :

    Poison gas blocking device for ship ventilation system


    Beteiligte:
    ZHU ZHIMIN (Autor:in)

    Erscheinungsdatum :

    2015-06-24


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS



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