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南非德兰士瓦省鲁斯坦堡(Rustenburg)地区矿石是一种含铂族元素和贵金属的铜镍硫化矿。矿石先经过重力选矿后再进行浮选。以前,浮选精矿在鼓风炉內熔炼成冰镍捎诮固考鄹裨龀ひ约把唐源笃奈廴?鼓风炉烟气含SO_21～2%),在生产规模扩大时,鼓风炉熔炼就不能适应了。由于南非电能价格低,以及精矿中氧化镁含量高,要求很高的冶炼温度,故在1969年将鼓风炉熔炼改成为电炉熔炼。
Rustenburg area, Transvaal Province, South Africa Ore is a Cu-Ni sulphide ore containing platinum group elements and precious metals. The ore is flotation after gravity dressing. In the past, flotation concentrates were smelted in a blast furnace into an 冰 诮 诮 诮 龀 龀 龀 ひ ひ ひ ひ about 把 唐 唐 唐 唐 唐 about 廴 廴 鼓 blast furnace flue gas containing SO_21 ~ 2%), the expansion of production scale, blast furnace smelting Can not adapt Due to the low price of electricity in South Africa and the high content of magnesium oxide in the concentrate, the smelting temperature is very high, so in 1969 the blast furnace smelting was changed to electric smelting.