Method and apparatus for producing matte and/or metal

Details Method and apparatus for producing matte and/or metal Method and apparatus for producing matte and/or metal

1989-03-15

1991-05-07

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

423 48, 423 88, 266157, 266172, 75694, C22B 514, C22B 508

Patent

active

050133551

ABSTRACT:
Method and apparatus for producing matte and/or metal from sulphidic fine-grained ore or ore concentrate. The ore or ore concentrate is smelted in a flame chamber in such a way that at least part of the solid material in the flame chamber melts and flows downward into a smelt bath furnace, on top of which the flame chamber is disposed. Volatile metallic and sulphuric components are conducted upward from the flame chamber to a fluidized bed reactor to be utilized as fluidizing gas, the gases being rapidly cooled down in the fluidized bed.

REFERENCES:
patent: 4073645 (1978-02-01), Fritsch et al.
patent: 4087274 (1978-05-01), Edenwall et al.
patent: 4414022 (1983-11-01), Melcher
patent: 4740240 (1988-04-01), Sulzabacher et al.
patent: 4802917 (1989-02-01), Victorovich et al.
Sychev et al., "Oxygen Electrothermal Method . . . (Torch Smelting)", Latest Development in the Mining and Processing of . . . , pp. 191-196, (1975).
25 Proceedings Nauka of Kazakhstan Alma Ata; USSR Ministry of Nonferrous Industry.

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