LF炉电极液压比例控制系统建模条件优化的研究

Study on Modeling Condition Optimization of Electrode Hydraulic Proportion Control System in LF Furnace

本文对LF精炼炉电极升降控制系统的主要控制对象、结构组成以及功能、电极升降调节运行等予以介绍,针对电极位置、电弧长度、电弧电流等主要控制因素进行了分析。通过以近似抽象型物理建模为基础,重点对电弧长度控制、液压缸位置控制、伺服阀、液压缸性能等关联参数进行了建模优化,并用于指导现场LF炉电极调节控制液压缸选型参数的改进实践,有效改善了精炼生产过程中电极设备的电气特性,获得了较好的应用效果,同时为电极调节的进一步精准控制打下了坚实的基础。

physical modeling,a model was set up to optimize the related main parameters such as arc length control,hydraulic cylinder position control,hydraulic valve and hydraulic cylinder performance.And it was applied on site to guide the improvement of hydraulic cylinder selection parameters for LF furnace electrode adjustment control.It effectively improved the electrical characteristics of the electrode equipment in the refining production process of LF furnace,obtained good results and laid a solid foundation for the further precise control of electrode adjustment.