Danieli Zerobucket Tornado continuous scrap-charge system in operation at Yuxin

The new Danieli Zerobucket EAF in operation at Zhejiang Yuxin, China –which is running stably and efficiently– received final acceptance.

The furnace incorporates the Danieli-patented, Tornado preheating system –the very latest continuous scrap-charge system– featuring a variable-geometry preheating zone to automatically adjust and adapt the free cross-section of the conveyor, to create the optimal conditions for fume speed, temperature and process control.

The use of the Tornado dynamic, variable cross-section allows Zhejiang Yuxin to exploit the best pre-heating results with different scrap types available from the market, enjoying maximum purchase flexibility.

Average 70 kWh/t energy savings are achieved compared to conventional bucket charge and 10 kwh/t versus static preheaters.

Tornado technology allows for optimal operational results, with minimized carbon and NOx emissions and a short payback time.