Device to close or open the bottom of a charging unit of a blast furnace

摘要

The device has a tilting disk (10) connected to a drive. The tilting disk is articulated to two swivel arms (15,16) pivotably mounted about two swivel axes (13,14) extending parallel to each other. The tilting disk move from closed to open position and vice versa upon movement of the swivel arms along oppositely directed arc paths (23,24). - The edge areas of the tilting disk are situated perpendicular to the swivel axes of the swivel arms.