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瑞典 ASEA 公司研制了两种用途的直流电弧炉:废钢熔炼炉和直流电弧还原炉。直流电弧炉最大的优点是减少电极消耗,噪音小。直流电弧还原炉可直接将粉矿经空心电极连续入炉炼铁和铁合金,粉矿不用制块或球团。该公司对这种炉子进行了十多年的研制工作,1982年签订了世界第一台铬铁直流电弧炉合同,炉子的输入功率2万千伏安,1984年初交付了一台不锈钢熔炼炉和一台铬铁冶炼炉。不锈钢炉16000KW,铬铁炉18000
ASEA of Sweden has developed two types of DC arc furnaces: scrap smelters and DC arc furnaces. DC arc furnace biggest advantage is to reduce the electrode consumption, low noise. DC arc reduction furnace can be directly through the hollow ore powder into the furnace of iron and iron alloy, powder ore without blocks or pellets. The company conducted this kind of furnace for more than ten years of research and development work. In 1982, it signed the world’s first contract for ferrochromium DC electric arc furnace, the input power of the furnace is 20,000 kilovolts and delivered a stainless steel melting furnace in early 1984. A ferrochrome smelter. Stainless steel furnace 16000KW, 18000 chrome furnace