我厂4号电炉,是一座6000 kVA 敞开式硅铁炉。从1984年下半年开始,我们厂同武钢自动化部一起,经过近一年的研制,成功地安装了埋弧炉微机自动控制系统。该系统从1985年10月投入使用以来,已经连续运行了一年,取得了明显的经济效益。今年5月, I plant No. 4 electric furnace, is a 6000 kVA open-type ferrosilicon furnace. From the second half of 1984, our factory together with Wuhan Iron and Steel Automation Department, after nearly a year of research and development, the successful installation of submerged arc micro-computer automatic control system. Since the system was put into use in October 1985, it has been in continuous operation for one year and has achieved obvious economic benefits. In May this year,