Technical code 1. Melting furnace Upright cupola 2. Melting speed of copper plate 8-16t/h 3. Time of starting melt 2h 4. Material feeding mode Skip bucket style 5. Capacity of material feeding lifter 3t 6. type of heat retaining furnace hydraulic incline and action type 7. Effective volume of heat retaining furnace 6-10t 8. Max. incline and action angle of heat retaining furnace ¬â70 íµ 9. Oxygen consumed amount of copper furnace (copper bar per ton at normal production NG:50-70m3 LPG:40-60kg 10. shaft furnace and inner line of holding furnace All use sic molding brick 11. up and low flow slot Closed style integrated flow slot 12. fuel to be used NG/LPG 13. Diameter of gas supply NG:DN100-150/LPG:DN80-100.