The invention relates to the field of ferrous and non-ferrous metallurgy, in particular to the design, construction and operation of electric arc AC and DC power for the smelting of ferrous and nonferrous metals. Electric arc furnace of direct or alternating current, comprising a tiltable platform, the casing, the shaft, coving, electrode, lifting mechanism and rotation set comprising a housing, a pusher cylinder lifting roof, rotation arch cylinder according to the invention, the housing of the lifting mechanism and the rotation arch is fixed on the shaft furnace and a pusher fixedly mounted in the bearing holder, disposed on tilting platform.
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