烧结操作辅助参考系统的开发

来源期刊：冶金自动化2009年第1期

论文作者：陶震兴 王阿虎 何木光 林文康 沈群书

文章页码：26 - 30

关键词：烧结终点； 预测模型； 料层控制； 操作参考

Key words：BTP； predictive model； bed-level control； operating reference

摘    要：介绍针对攀枝花新钢钒股份有限公司炼铁厂开发的烧结操作辅助参考系统设计及实际应用情况。由于攀钢炼铁厂烧结原料品种多,生产中变料频繁,混合料成分、水分、粒度等波动大,增大了烧结终点温度的控制难度。因此,根据风箱负压、点火温度以及保温段温度变化,建立相对透气性指数模型,通过相对透气性指数对料层和点火温度进行控制。将每块台车看成烧结杯,对过程数据进行跟踪,根据每块台车的数据建立时间-废气温度模型、依据模型预测终点温度调节台车机速从而控制终点温度。

Abstract: Design and application of sintering operation assistant reference system developed by Ironmaking Plant of Panzhihua New Steel Vanadium Co.,Ltd.is introduced.Because there are many varieties of sintering raw material in Ironmaking Plant of Panzhihua Iron and Steel Co.,raw materials are often changed,and change range of composition,moisture and size of mixture is large,it is difficult to control BTP temperature.Based on negative pressure of blast box,ignition temperature and temperature change in heat preservation zone,a relative ventability index model was established.Bed-level and ignition temperature were controlled through relative ventability index model.Each pallet was taken as a sintering cup and process data was traced.Time-waste gas temperature model was established based on data of each pallet.According to the model,BTP temperature was predicted and speed of pallet was adjusted,thus BTP temperature was controlled.