... hoods, lining, short net, cooling system, exhaust system, de-dusting system, electrode shell, electrode lifting system, loading and unloading system, electrode holder, arc burner, hydraulic systems ... tile 5、Electrode shell 6、Unloading system 7、Stoking machine 8、Fume exhaust system 9、Water-cooling system 10、Submerged arc furnace transformer 11 ...