Patent ID: 7767137
Filing Date: 2010-08-03
Classification: F27B,F27D

Abstract:
1. A sealing apparatus for a slag door of a metallurgical furnace comprising: a mounting assembly for mounting said apparatus to the furnace; at least one closure element having a rear, hot face panel, said at least one closure element being held by said mounting assembly so that it is moveable from an open position that is exterior of the slag door opening, to a closed position that effectively seals against the slag door and in which said at least one closure element extends into the slag door opening with said hot face panel of said at least one closure element being proximally aligned with the interior wall of the furnace; at least one wiping component moveable so as to sweep across the lower surface of the slag door from an open position, remote from the slag door opening, through intermediate positions, to a closed position, within the slag door opening, such that said at least one wiping component can remove obstructions from the lower surface of the slag door, wherein said at least one wiping component is provided by a pair of opposed, generally horizontally gyrating arms.