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一、问题的提出近代炼钢技术已发展为大转炉、连铸、热送坯的方式,平炉与模铸锭再经初轧开坯方式正趋于淘汰。武钢的连铸比接近100％,正在逐步开展的热送钢坯,已带来了明显的经济效益。一些老初轧机将成浪费工序,落后的横列式大型轧机及低水平的中厚板轧机已无法适应新品种、高质量与高效率的需要。武钢1700mm轧机投产后,老三轧因品种质量、市场需要及原料问题,常处在限产的
First, the problem put forward Modern steelmaking technology has developed into a large converter, continuous casting, hot billet delivery, open hearth and mold ingot and then through the beginning of rolling billet way is to be eliminated. Wuhan Iron and Steel’s continuous casting ratio of nearly 100%, is gradually carried out by hot billet, has brought significant economic benefits. Some of the old mill will be a waste of processes, behind the line of large-scale rolling mill and low-level plate mill has been unable to adapt to new varieties, high quality and high efficiency needs. After the 1700mm rolling mill of Wuhan Iron and Steel is put into operation, the third rolling mill is often limited in production due to the variety quality, market needs and raw material issues