Method for agglomerating wet-collected fume for use in metallurg

Details Method for agglomerating wet-collected fume for use in metallurg Method for agglomerating wet-collected fume for use in metallurg

1975-07-01

1977-01-25

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 41, C22B 108

Patent

active

040049167

ABSTRACT:
A method for preparing moist iron-bearing fume for use in steelmaking furnaces to recover the iron contained in the fume. The fume is thickened, substantially instantaneously dried, impact-fractured and balled. Moisture is added to the fume on the balling device to bind the fume to produce "green" balls which resist degradation during handling and transport. The green balls have sufficient strength to resist degradation during handling prior to and during charging to steelmaking furnaces.

REFERENCES:
patent: 2205043 (1968-09-01), Mican
patent: 3403018 (1968-09-01), Thom
patent: 3652260 (1972-03-01), Azami
patent: 3770415 (1973-11-01), Carignani
patent: 3770416 (1973-11-01), Goksel
patent: 3836353 (1974-09-01), Holley
patent: 3851827 (1974-12-01), Carignani
Cavaghan, N. S. et al., Journal of the Iron and Steel Institute, "Utilization of In-Plant Fines", pp. 538-542, June (1970).

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