| 摘要 |
A shaft furnace for roasting lump material comprises a lined shaft with zones of material heating, roasting and cooling, a skip lift, loading device, unloading device, central burner and side burners, transducer for measuring the level of material in the shaft of the furnace, accumulating hopper of material with unloading feeder, device for exhaust of smoke gases, a group of cyclones, smoke exhauster, fan for air supply to the layer of material of cooling zone and to the side burners, fan for supply of re-circulation agent to central burner, control-measuring device and shut-off-and-regulating equipment. |
