| 摘要 |
<p>A roasting reduction shaft furnace comprises a feed system at the top of the furnace, a furnace body, an ore discharge system at the lower part of the furnace body and a gas exhaust system. The furnace chamber of the furnace body is divided into a preheat region (2), a roasting region (3) and a reduction region (4) from top to bottom. A preheating region (6) and a heating region (7) are arranged at two sides of the roasting region (3). The preheating region (6) is communicated with the upper end of the roasting region (3), and the heating region (7) is communicated with the lower end of the roasting region (3), in addition, the preheating region (6) is isolated from the heating region (7).</p> |
