The invention discloses an exhaust and water cannon prevention device for a marine main engine. The exhaust and water cannon prevention device comprises a cylinder body, a grating unit and a biconical protective cover, the barrel is arranged in a chimney and connected with a chimney deck through a first support. The grating unit is arranged on the barrel and connected with the barrel through a second support, and the diameter of the grating unit is larger than that of the top opening of the chimney; the biconical protective cover is arranged in the cylinder body and is connected with the cylinder body through a third bracket, and an annular channel is formed between the biconical protective cover and the cylinder body; the biconical protective cover comprises an upper cone and an inverted cone, the upper cone is arranged on the inverted cone, and the diameter of the bottom face of the upper cone is slightly larger than that of the tail end of the main engine exhaust pipe. The main engine exhaust pipe penetrates through the chimney deck and then is inserted into the barrel, and the lower portion of the inverted cone of the biconical protective cover is inserted into the main engine exhaust pipe. Sea waves and rainwater can be prevented from entering the marine main engine exhaust system, the marine main engine exhaust system is protected against water cannon attack, and the sailing safety of a ship is ensured.

    本发明公开了一种船用主机排气防水炮装置,其包括筒体、格栅单元、双锥形防护罩;筒体置于烟囱内,通过第一支架与烟囱甲板连接;格栅单元置于筒体上,通过第二支架与筒体连接,且其直径大于烟囱顶部开口;双锥形防护罩置于筒体内,通过第三支架与筒体连接,与筒体之间形成环形通道;双锥形防护罩包括上锥体和倒锥体,上锥体置于倒锥体上,且上锥体的底面直径略大于主机排气管末端直径;主机排气管穿过烟囱甲板后插入到筒体内,双锥形防护罩的倒锥体的下部插入到主机排气管内。本发明能防止海浪和雨水进入船用主机排气系统,对船用主机排气系统进行防水炮攻击保护,确保船舶的航行安全。


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    Title :

    Marine main engine exhaust and water cannon prevention device


    Additional title:

    一种船用主机排气防水炮装置


    Contributors:
    LIU ZHONGXIANG (author) / HU XIAOXIAO (author) / LEI YANG (author) / XU JIAHENG (author) / DU WENLONG (author)

    Publication date :

    2023-02-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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