| 摘要 |
<p>This oven system receives material to be processed on a rotary hearth in an area radially intermediate and spaced from both the center and peripheral edge of the hearth. A rabble system is provided to urge any material on the hearth from the area of deposit to both the center and peripheral edge of the hearth in response to relative rotary motion between the hearth and the rabble system. Discharge openings are provided at both the center and the peripheral edge of the hearth to allow removal of the treated material. In certain instances, by using a plurality of feeds, the material moved to the center of the hearth and the material moved to the peripheral edge of the hearth may be different materials.</p> |
