Floor of electrically heated melting furnace, particularly a...

Details Floor of electrically heated melting furnace, particularly a... Floor of electrically heated melting furnace, particularly a...

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F27D 1/00 (2006.01) C21C 5/52 (2006.01) F27B 3/08 (2006.01) F27B 3/14 (2006.01) F27B 14/06 (2006.01) F27B 14/10 (2006.01) H05B 7/06 (2006.01)

Patent

CA 1281355

24887-223 ABSTRACT OF THE DISCLOSURE An electrically heated melting furnace, preferably a direct current electric arc furnace, has a floor provided with a lining of refractory material and with an electrode comprised of electrically conductive paths formed of an electrically conductive material which extends through the lining of refractory material from the inner floor surface toward the exterior. The service life of the lining is improved by forming the electrically conductive paths as layers of at least one high melting point nonmetallic material which are connected with the refractory material, and which have a thickness of at most 5 mm. 85/133 z AK/Kn

519156

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