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本文论述了在半连续轧机前增设连铸机的许多优点,如镇静钢成材率可较模铸坯提高12～15%,降低生产成本10%,节省基建投资30～40%,缩小占地面积30%以上。本文还叙述了调宽技术在连铸机上的发展,在热轧厂进行调宽的各种可能性及当今世界上的发展概况。结合鞍钢半连续轧板厂多年生产的经验以及实际生产数据的测定,论述了该厂在技术改造中,必须更新大立辊轧机。
This article discusses the advantages of adding a continuous caster before the semi-continuous mill. For example, the finished steel can increase the finished steel yield by 12-15% compared with that of the slab, reduce the production cost by 10%, save 30-40% of the capital construction investment and reduce the floor space More than 30%. This article also describes the widening technology in the continuous casting machine on the development of hot rolling plant to adjust the wide range of possibilities and the development of the world today. Combined with the experience of Anshan Iron and Steel semi-continuous mill mill production for many years and the determination of the actual production data, discusses the plant in the technological transformation, we must update the Dali mill.