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川崎公司把低利用系数作为出铁体制,在水岛、千叶两厂的5座生产高炉中,特别是千叶厂5号高炉(2584m~3),在大幅度减产下维持目前的超低利用系数(约1.2t/m~3·d)操作,主要是避免高炉的停炉,同时确立低利用系数的稳定操作技术。一般的高炉操作,利用系数稳定在1.8～2.0之间是理想的,即使低,下限也在1.6左右。但千叶厂5号高炉的利用系数从1998年秋以来直降到1.2左右。
Kawasaki Company uses the low utilization coefficient as the tapping system and maintains the current ultra-low level in five production blast furnaces of the Mizushima and Chiba Plant, especially the Chiba Plant No.5 blast furnace (2584m ~ 3) The use of coefficient (about 1.2t / m ~ 3 · d) operation, mainly to avoid blast furnace shutdown, while establishing a low utilization factor of the stable operation of technology. Ordinary blast furnace operation, the utilization factor is stable between 1.8 and 2.0 is ideal, even if the low, the lower limit is about 1.6. However, the utilization factor of the No. 5 blast furnace at Chiba Plant dropped to about 1.2 since the autumn of 1998.