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    0.75t中频炉熔化一炉铁水需要多长时间？ 0.75t的中频炉的电源功率500KW ，熔化一炉铁水 50分钟左右。熔化的是铸铁， 铁水的出水温度是1550℃。 How long does it take for a 0.75t induction melting furnace to melt a furnace of molten iron? The power supply of a 0.75t induction melting furnace is 500KW, which can melt a furnace of molten iron for about 50 minutes. The molten iron is cast iron, and the outlet temperature of the molten iron is 1550°C.