The non-oxidizing zone is consisted of entry sealed room, waste gas preheating zone, direct heating zone, and furnace nozzle and flue gas exhausting system.
无氧化段由入口密封室，废气预热区，直接加热区，炉喉，废气排放系统组成。
2
The control system for the sirosmelt furnace process which implemented by industrial control computer can control the atmosphere of oxidizing-reducing process in the furnace effectively.
由工业控制计算机实现的浸没熔炼过程控制系统能有效地控制炉内的氧化还原性气氛。
3
Foam slag takes an important role in the melting and oxidizing period of arc furnace.