Anti-pirate safety cabin ventilation system

Abstract

The invention provides an anti-pirate safety cabin ventilation system which is characterized by comprising an emergency air inlet and an emergency air outlet which are located below a freeboard deck, and each emergency air inlet is provided with a first watertight door, a second watertight door and a water inlet leakage detector with a light alarm. A conventional air inlet duct, an emergency air inlet duct, a conventional air outlet duct and an emergency air outlet duct are arranged in the anti-pirate safety cabin, switching between the conventional air inlet duct and the emergency air inlet duct and switching between the conventional air outlet duct and the emergency air outlet duct are achieved through position changes of the fireproof watertight inner door. And after boarding of the pirate, the conventional ventilation system is closed and the emergency ventilation system is opened by switching the second watertight door, so that hidden ventilation between the pirate-preventing safe closed cabin and the external atmosphere is carried out. The position of the emergency ventilation opening is hidden, ventilation power can be provided to guarantee fresh air oxygen supply after pirate boarding and power losing, and life safety of personnel in the anti-pirate safe closed cabin can be effectively guaranteed for a long time.

Description

technical field [0001] The invention relates to a concealed emergency ventilation system, which is used for an anti-piracy safety cabin located below the freeboard deck, and belongs to the technical field of ship safety ventilation systems. Background technique [0002] In recent years, piracy activities around the world are still rampant. Setting up anti-piracy safe cabins is an effective protective measure to increase the safety of crew members and gain time for rescue after pirates board the ship. [0003] At present, the conventional ventilation design of the anti-piracy safe cabin below the freeboard deck is to set a thin-diameter seamless steel pipe leading to the outside on the anti-piracy safe cabin, as an emergency ventilation pipe for pirates after they board the ship. The fine-diameter seamless steel pipe passes through the main deck and is arranged on the deck surface, and the outlet of the ventilation pipe is higher than the dry chord deck by a certain height ac...

AI Technical Summary

Problems solved by technology

However, due to the small design diameter of the fine-caliber seamless steel pipe, there is no power drive, and the ventilation volume is limited. After a long time, the fresh air volume of the personnel in the anti-piracy safety cabin will be insufficient.

In addition, since the outlet of the air exchange pipe of the fine-caliber seamless steel pipe is exposed on the main deck surface, the pipe may be cut and poisoned after being discovered by pirates, threatening the safety of the crew in the anti-piracy safety cabin, so it is necessary to improve the emergency ventilation system of the anti-piracy cabin the design of

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