The SHARC (Shaft arc furnace) has two preheating shafts for drying and preheating scrap. Conventional scrap preheating systems use asymmetrical scrap loaders. With the SHARC, the entire furnace cross-section over the height of the two shafts is available for energy transfer. This is made possible by the symmetrical shape of the furnace. Also integrated is the DC high-current technology and the longer retention of the hot exhaust gases. Here, scrap can be melted homogeneously.

The SHARC oven with scrap preheating is highly productive, efficient, and environmentally friendly.