Method and apparatus for the pyrometallurgical treatment of...

Details Method and apparatus for the pyrometallurgical treatment of... Method and apparatus for the pyrometallurgical treatment of...

C - Chemistry, Metallurgy

22

B

39/3, 53/352

C22B 5/12 (2006.01) C22B 5/02 (2006.01) C22B 5/14 (2006.01)

Patent

CA 1294132

ABSTRACT OF THE DISCLOSURE 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.

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