连铸结晶器拉坯阻力异常预报方法研究
首发时间:2003-10-26
摘要:本文以功率法原理检测到的宝钢2号板坯连铸机生产中的结晶器拉坯阻力数据为基础, 讨论了铸坯调宽、液位波动、水口异常、测温系统报警、漏钢等情况发生时结晶器拉坯阻力的波动规律及变化特征;研究其应用方法,并开发出拉坯阻力异常分析软件。结果表明结晶器拉坯阻力对工艺操作及异常情况能作出明显反应,可利用拉坯阻力的均方根对异常进行预报,显示出在异常预报及提高漏钢预报准确率等方面的作用和应用潜力
关键词: 连铸 结晶器摩擦力 数据分析 异常预报
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METHOD OF ABNORMAL PREDICTION FOR MOULD FRICTION
Abstract:Based on the measuring data of mould friction (MDF) of continuous slab casting in steel plant, the fluctuation characteristic of MDF has been studied on the unstable conditions, such as breakout, temperature system warning, abnormity of submerged entry nozzle, mould level fluctuation, and on-line change of slab width. The predicting method has been researched, and the software for abnormal analysis of MDF has been developed. The results show that MDF responds obviously to some abnormal conditions and technological factors changing. It is feasible to forecast the MDF abnormity according to its rootmeansquare. The method demonstrates contribution and potential for application in abnormal prediction and improvement of the accuracy of breakout prediction
Keywords: continuous casting, mould friction, data analysis, abnormal prediction
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No.8551067178870****
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