Abstract: According to principle of swing control in electroslag remelting process and metallurgy model of swing control and melting curves using computer intelligent PID calculation method to trace and control,the quality of electroslag remelting ingot improved obviously as secondary current swing control for a 10 t electroslag remelting unit at Xingtai Machinery was carried out to get constant electrode remelting rate and period,of which the first class rate increased from original 75% to 90%.

Key words: Electroslag Remelting, Secondary Current, Swing Control, Application

摘要： 根据电渣冶金过程摆动控制原理和摆动控制的冶金模型,采用计算机智能PID算法跟踪控制熔炼曲线,对邢台机械公司10t电渣炉二次电流进行摆动控制后,电极熔化速率和重熔周期趋于稳定一致,电渣锭质量得到明显改进,使一级品率由原来的75%提高到90%。

关键词: 电渣重熔 , 二次电流 , 摆动控制, 应用