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新日本钢铁公司室兰厂于1979年开发的最小渣量法,主要用于生产商品级钢,其目的在于使铁水的硅含量稳定在一个较低的水平,用以降低氧气顶吹转炉的精炼成本。其效益来自提高金属收得率、减少熔剂消耗、延长耐火材料使用寿命和提高生产能力。室兰厂目前采用的方法是从铁水罐车或鱼雷混铁车的上口添加氧化铁,在铁水上方形成气泡;堺厂采用的方法是往罐内喷吹氧化铁;八幡厂采用的方法是在高炉的出铁沟内添加氧化铁。氧化铁的来源包
The minimum slag production method developed by the new Japanese steel company Muroran in 1979 is mainly used for the production of commercial grade steels with the aim of stabilizing the molten silicon content to a lower level to reduce the refining of the oxygen top converter cost. The benefits come from improving metal yield, reducing flux consumption, extending refractory life and increasing productivity. Muroran plant is currently using the method of iron ore tanker or torpedo car from the mouth to add iron oxide, forming a bubble above the molten iron; 堺 factory approach is to spray iron oxide inside the tank; Yawata plant used in Iron oxide in the tundish of blast furnace. Source of iron oxide package