F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
307/25
F27D 11/10 (2006.01) F27B 3/08 (2006.01) H05B 7/02 (2006.01) H05B 7/14 (2006.01)
Patent
CA 1147785
ABSTRACT A three-phase electric arc furnace comprising an elongated non-tilting rectangular vessel having longitudinal and transverse walls, and having six, or an integral multiple of six, electrodes arranged in two longitudinally extending parallel rows within the vessel. Pairs of adjacent electrodes are connected in respective independent single-phase circuits, each circuit being connected to a respective supply transformer by a non-inductively wound pair of high tension conductors. The electrodes are disposed in a square array with the same number of electrodes in each said row, the spacing of the electrodes with respect to one another and with respect to the walls of the vessel being such that the individual active bath surfaces surrounding the electrodes constitute a coherent bath surface of maximum horizontal area, and the pairs of high tension conductors are symmetrically arranged with respect to the longitudinal axis of the vessel.
364912
Konig Heribert
Stark Heinz
Mannesmann Demag Ag
Ridout & Maybee Llp
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