Improved Hearth for Cooling Ores or other Materials proceeding from Calcining or Roasting Furnaces.

摘要

21,197. Edwards, T. Sept. 12. Rotating tables delivering from one to another.-Calcined or roasted materials are caused to travel along a hearth by revolving rabbles 2 having intersecting paths. Multiple rows of rabbles may be provided. As shown in Fig. 4, the rabble shafts are driven from above, and the ore is delivered to the end 100 of the hearth 1 and is discharged at the other end into trucks or on to a conveyer.