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1 前言 在日本川崎钢铁公司水岛钢铁厂第二炼钢车间,以(1)大量稳定生产极低碳钢,(2)构筑全量脱气处理体制为目的,№4RH真空脱气装置于1991年1月投产,现已每月生产80000～90000t极低碳钢。№4连铸机于1993年1月投产,构成了№4RH真空脱气装置与№4连铸机直接连接的工艺。为了与№4连铸机的高效率高产量操作相对应,比以前更加强烈要求
1 Preface At No. 2 Steelmaking Plant of Mizushima Steel Plant, Kawasaki Iron & Steel Co., Ltd., Japan, (1) a large amount of stable production of very low carbon steel, (2) the construction of a full amount of degassing treatment system, January put into production, is now producing 80000 ~ 90000t monthly very low carbon steel. № 4 continuous casting machine put into operation in January 1993, constitutes № 4 RH vacuum degassing device and № 4 continuous casting machine connected directly to the process. In order to № 4 continuous casting machine with high efficiency and high volume operation corresponds to stronger than ever before