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介绍了太钢2 250 mm热连轧精轧机架间冷却水箱出现焊缝、本体开裂及喷嘴脱落等问题及其产原因;重点阐述了改进内容及改进效果。改进后,带钢轧制温度稳定控制,满足工艺和性能要求的目的。
The problems such as weld seam, body cracking and nozzle shedding, and their causes of production in the cooling water tank between 2 250 mm hot strip mill and finishing mill in TISCO are introduced. The contents of the improvement and the improvement are mainly described. After the improvement, the strip rolling temperature stability control, to meet the process and performance requirements.