May 30, 1972

The fired or sintered material is discharged into a trough between an inclined traveling hearth and a fixed wall until the trough is substantially filled with the material. A gaseous cooling medium is conducted continuously through the fixed wall into the material in the trough, and material is carried on the traveling hearth in an upwardly inclined direction out of the trough and then horizontally away from the trough, the speed at which material is carried on the traveling hearth and the rate at which hot material is discharged into the trough being such that the depth of the horizontally traveling material on the traveling hearth is substantially less than the depth of the material in the trough.

4

May 30, 1972

05/114,323

February 10, 1971

34/435  

F27D   15/00   (20060101)   F27D   15/02   (20060101)  

CROSS-REFERENCE TO RELATED APPLICATION This application is a continuation-in-part of application, Ser. No. 846,520 filed July 31, 1969, now abandoned.

Aug 09, 1968 [DT] P 17 58 803.3 May 23, 1969 [DT] P 19 26 436.9

34/20   34/168   34/174   34/175   34/233   34/236   263/32   263/32C