| 摘要 |
An air injection hole of the loading box within the ship is provided, in which the ventilation fan is easily set up and is separated by installing a lift crane in a repair door. An air injection hole of the loading box within the ship comprises: a damper case in which a damper is installed inside while being installed at a hull in the vertical direction; a fan house which is installed on the damper case; a ventilation fan fixed inside the house to be positioned at the top of the damper; a louver(10) combined with the front of the fan house; a repair door(20) combined with the rear of the fan house by the hinge; a bracket(22) formed in the upper part of the inner wall of the fan house; and a lift crane which is pivotally installed in the fan house. |
