Apparatus for closing the slag doorway and for cleaning the slag doorway and channel of a metallurgical furnace and relative method
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United States of America Patent
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app pub date -
Mar 27, 2013
filing date -
Apr 2, 2012
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Abstract
A method and apparatus closing a slag doorway and cleaning the slag doorway and channel of a metallurgical furnace including walls defining a slag doorway and a slag channel that crosses the slag doorway and has a bottom. The apparatus includes a support structure associable with the furnace, at least one slag-breaking body including a lower border that, under mounting conditions of the apparatus on the furnace, is directed towards the bottom and at a definable height, the slag-breaking body being associated with the support structure in a movable manner along the slag channel away and/or towards the slag doorway to wipe, with its lower border, the bottom or a parallel plane, and a vibrating or oscillating mechanism associated with the slag-breaking body to confer a vibrating or oscillating movement with non null component incident the bottom, during a travel performed during its movement away or towards the slag doorway.
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