针对部分轧机由于出口没有配置实物板形仪、无法实现板形的可视化显示与闭环控制、造成轧机出口板形质量较差、不能满足用户需求的问题,充分利用轧机的基本数据采集系统与板形计算模型,从板形动态显示功能、板形闭环控制功能以及板形预报功能的开发等3方面入手,提出了一套虚拟板形仪设计技术,开发出了相应的板形分析与闭环控制系统。在不增加硬件投资、不配置实体板形仪的前提下,不但实现了板形的动态可视化显示与闭环控制,而且还能实现板形在线预报功能,有效地提高了轧机的出口板形质量。此技术已经被推广应用到某钢厂1220四辊双机架平整机组,效果良好,为企业创造了较大的经济效益。
Because parts of the mills were not equipped with stressmeter,it was impossible to monitor and control the flatness of strip dynamically,which caused defects of flatness that can not meet the requirement of the users.In order to deal with the problem,the basic data acquisition system and the theoretical calculation model on shape of strip were utilized.After a large number of locale experiment and theoretical studies,a set of technology of virtual stressmeter,including the analysis ways and closed-loop control system,was put forward.Without additional hardware investment and physical instrument,not only the the dynamic visualization and the closed-loop control,but also the online prediction function was achieved,which effectively improved the quality of flatness at the mill exit.This technology has been appled to the 1220 temper rolling mill,which proves good effect and creates a large economic benefit.
参考文献
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