Marine single fireproof door

Abstract

The utility model provides a marine single-open fireproof door which comprises a door frame, a fireproof door body is hinged in the door frame, an explosion-proof window is installed in the center of the top end in the fireproof door body, an emergency channel is formed in the position, below the explosion-proof window, of the fireproof door body, and a ventilation assembly is installed in the emergency channel. Compared with the prior art, the cabin ventilation device has the advantages that the ventilation assembly has the dual modes of daily ventilation and fire closing, and during daily operation, the closing assembly can be opened through operation, air circulation is enhanced through the exhaust fan, and the requirement for ventilation in a cabin is met; once a fire occurs, the closing plate can be driven to be closed only by rotating the first rotating disc or the second rotating disc on any side of the door, so that fire, smoke and heat are effectively isolated, fire spreading is prevented, and different requirements of normal use and emergency protection are met.

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