Patent ID: 8124004
Filing Date: 2012-02-28
Classification: F27B,F27D

Abstract:
1. A slag door assembly for an electric arc furnace of the type having a slag door opening with a lower surface where obstructions can accumulate, said slag door assembly comprising: a mounting mechanism for mounting said slag door assembly 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 mechanism so that it is moveable from an open position that is exterior of the slag door opening, to a closed position where it effectively inhibits air from being sucked into the furnace through the slag door opening; and at least one wiping component moveable so as to sweep across the lower surface of the slag door opening 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 opening.