Method of producing agglomerates

Details Method of producing agglomerates Method of producing agglomerates

1983-11-14

1985-03-12

Gantz, Delbert E.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 4, 75 5, 23313P, C22B 104, C22B 120, C22B 1242

Patent

active

045043060

ABSTRACT:
A method of producing agglomerates from a fine iron ore or the like having a wide particle size distribution. A solid fuel is added to the fine ore and the material is formed into pellets or briquettes of a two-layer structure comprising a core portion and a shell portion having different solid fuel contents, and the pellets or briquettes are charged onto a grate of a travelling grate-type furnace including an updraft drying zone, a downdraft drying zone, an ignition zone and a suction burning zone in such a manner that the charge having a higher solid fuel content forms a grate upper layer portion and the charge having a lower solid fuel content forms a grate lower layer portion, thereby firing the pellets or briquettes by the furnace.

REFERENCES:
patent: 2805141 (1957-09-01), Apuli et al.
patent: 2860598 (1958-11-01), Loesche
patent: 3244507 (1966-04-01), Linney

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