本文针对电渣重熔工艺对控制系统的要求，采用集散控制方法，将整个工艺过程分成主回路熔炼电流控制、电极进给控制、自动抽锭控制这三个子系统来处理。文中就各子系统的组成、工作原理、工作过程及软件设计思想做了系统介绍．本系统最大特点为：设计简单、工作可靠，调试、维修方便。 In this paper, according to the requirements of control system for ESR process, the distributed control method is adopted to divide the whole process into three sub-systems of main circuit melting current control, electrode feed control and automatic pumping control. This article systematically introduces the composition, working principle, work process and software design idea of ​​each subsystem. The most important features of this system are: simple design, reliable work, debugging, easy maintenance.