Combination electric furnace and slag retaining pouring spout

Details Combination electric furnace and slag retaining pouring spout Combination electric furnace and slag retaining pouring spout

C - Chemistry, Metallurgy

21

C

307/18

C21C 5/44 (2006.01) C21C 5/52 (2006.01)

Patent

CA 1265566

ABSTRACT OF THE DISCLOSURE An electric steel making furnace and a slag retaining pouring spout in communication with a tap hole in the furnace, the pouring spout extending outwardly and upwardly from the furnace in an angled configuration. The pouring spout has a secondary tap hole therein, said electric furnace arranged to be tilted so as to move said pouring spout in a generally vertical arcuate path whereby tilting said electric furnace to move said pouring spout downwardly will cause molten slag and metal in said electric furnace to flow through said tap hole into said pouring spout, a closure removably affixed in said secondary tap hole for retention therein whereby said molten slag and molten metal are retained in said pouring spout for a period of time sufficiently to float said slag above said secondary tap hole.

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