Apparatus for the pyrometallurgical treatment of finely divided

Details Apparatus for the pyrometallurgical treatment of finely divided Apparatus for the pyrometallurgical treatment of finely divided

1986-11-12

1988-03-22

Rosenberg, Peter D.

Metallurgical apparatus

Means for treating ores or for extracting metals

By means applying heat to work, e.g., furnace

75 92R, 266175, 266186, C22B 110, C21B 700

Patent

active

047323680

ABSTRACT:
Process and apparatus for pyrometallurgically treating finely divided ores, concentrates, residues, slags and like materials. The process utilizes a reactor having two co-axially extending, vertical reaction chambers. The process comprises forming within the upper chamber of the reactor hot fuel-rich reaction gases; passing the hot fuel-rich reaction gases by dump flow into a second vertically extending chamber; introducing into the second chamber the finely divided materials to be treated; and reacting the finely divided materials with the hot fuel-rich reaction gases. The dump flow of hot fuel-rich reaction gases passing into the second chamber is produced by providing a zone of sudden expansion in the flow passage between the first and second chambers.

REFERENCES:
patent: 2894831 (1959-07-01), Old
patent: 3271134 (1966-09-01), Derham
patent: 3607224 (1971-09-01), Blaskowski
patent: 3915692 (1975-10-01), Herbert et al.
patent: 4362561 (1982-12-01), Weigel et al.

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