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Arc furnace for reducing metal oxides and method for operating such a furnace
Arc furnace for reducing metal oxides and method for operating such a furnace
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机译:用于还原金属氧化物的电弧炉及其操作方法
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摘要
An arc furnace has an arcing electrode through which a feeding passage is formed for feeding metal oxide particles through an arc and to a melt in the furnace. The arc is powered by DC power with the electrode cathodic and the melt anodic. Carbon is fed as required to reduce the oxides. Electric currents passing through the melt and the arc to the electrode are capable of causing magnetic forces forcing the arc to acquire an angular deflection in a downward direction away from alignment with the electrode's outer periphery and towards the side wall of the furnace in one direction subst antially continuously, during continuous operation of the furnace. Means are provided for electromagnetically causing the arc to continuously rotate, with its deflection, around the electrode.PPBACKGROUND OF THE INVENTION
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