摘要 |
<p>The furnace comprises two chambers (10, 20), a closed well melting chamber (20) and a main heating chamber (10). The furnace includes a hot gas duct connecting the chambers, the hot gas duct (70) having a damper (100) to control the gas flow between chambers (10, 20) in accordance with the respective condition of each chamber. The furnace is designed to have an efficient liquid metal flow by sloping the floor.</p> |