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从安全、导电、绝缘、搅拌、偏弧、炉子吨位、冷却方式与允许电流密度、砌筑与维修方式、起动方式、炉底电极寿命及费用等十几个方面对直流电弧炉不同型式炉底电极进行了综合比较与评价，指出每种型式炉底电极都各有优点和缺点，绝对肯定或否定哪种型式都不恰当，用户可以根据自己的认识与工厂的实际情况选择合适的炉底电极型式。对我国直流电弧炉的发展提出了几点建议。
From the aspects of safety, conduction, insulation, stirring, partial arc, tonnage of furnace, cooling mode and allowable current density, masonry and maintenance mode, starting mode, the life and cost of bottom electrode, Electrode comprehensive comparison and evaluation, pointed out that each type hearth electrodes have their own advantages and disadvantages, absolutely sure or negative which type are not appropriate, the user can according to their own understanding and the actual situation of the factory to choose the appropriate bottom electrode Type. Some suggestions on the development of DC arc furnace in our country are put forward.