... hearth type:(3).The yield of furnace: 15-45t/h;(4). Fuel: Light oil, heavy oil, generating furnace gas ... in temperature control,furnace temperature’s evenness is good. 4,High in automation,simple in operation. 5,Can ... customer’s requirements.ControlControl adopts contactor, thyristor, modules, electronic digit-display, intelligent digit-display, computer, PID, PLC, remote control, centralized control, ...