DESIGN OF BLAST FURNACE CONTROL SYSTEM FOR NICKEL SMELTERY

The paper introduces the nickel smelting blast furnace control system.In the system,Simatic S7-300 PLC,industrial Ethernet and Profibus-DP are adopted.According to technologic requirement,the supply system,technologic parameters and state of machines are monitored.Practical operation shows that the system is stable and reliable,and its efficiency and control accuracy are high.