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日本川崎钢铁公司为了改进LD型转炉的吹炼工艺,研究并采用了二种复吹方法:K-BOP法和LD-KGC法。在K-BOP型转炉中,氧气与熟石灰粉消耗总量中有20—40％是通过6个按“管中管”型制造的炉底风
Japan Kawasaki Iron and Steel Company in order to improve the LD converter blowing process, the study and adopted two kinds of blowing method: K-BOP method and LD-KGC method. In the K-BOP converter, 20-40% of the total oxygen and hydrated lime powder is consumed by six bottom air blows