文档介绍：摘要
板带材生产技术水平不仅是冶金工业生产发展水平的重要标志,也反映了一个。建设现代化的热轧宽带钢轧机要满足现代工业对热轧板品种质量的要求。最终产品的质量取决于连铸坯的质量,传统厚度的板坯连铸工艺明显优于薄板坯连铸工艺。薄板坯连铸连轧更适于生产中低档板材品种,在薄规格产品生产方面具有明显优势。为了满足高质量和高性能板材要求,采用厚板坯常规连轧生产方式更合理。
基于这些考虑,本次设计结合柳钢2030常规热连轧生产线。在此设计中详细地介绍了加热、粗轧、热卷取、精轧、冷却、卷取等一系列过程。
其中精轧机选用六架大断面牌坊和高吨位轧制力轧机,采用 HC轧机、CVC轧机、工作辊正弯辊(WRB)技术和厚度自动控制(AGC)等技术来控制板型和厚度。另外,为提高轧件温度,减少头尾温差,在精轧前采用无芯轴隔热屏热卷箱。设计中涉及的技术参数大部分取自现场的经验数值,用到的部分公式也是来自于实际的经验公式。
关键词: 常规热连轧热卷箱层流冷却厚度自动控制
ABSTRACT
The hot strip production technique level not only is a important marking of the metallurgy industry produce development level, but also reflect a level of the national industry and science new modernizational hot wide rolling mills should satisfy the request of modern industry to hot strip species quality of end product is by all means decided by quality of continous casting slab. The continous casting slab of traditional thickness is obviously better than thin slab continous casting and rolling. Thin slab continous casting and rolling is suitable to produce medium low file time plank material species and have obvious advantage at the thin specification satisfying the request of obtaining the high quality and high performance strip, thick slab continous casting produce method is considered more reasonable.
Based on the above premise, this bine liu steel 2030 traditional hot continuous rolling workshop. In this paper it is detailly introduced the heat furnace, the rough rolling, the hot curl, the finish rolling, the laminar cooling, the curl and so on.
Among them, The finishing mill still selected the big cross section memorial arch and the high tonnage rolling stand, and choosed HC mill,CVC mill,work roll bend technique and automatic gauge control to control strip shape and thickness. Moreover, in order to raise the temperature of rolling metal and reduce the difference temperature between tail and head of rolling metal,I establish a hot curl box between the rough rolling and the