Blast furnace smelting of zinc

C - Chemistry – Metallurgy – 22 – B

Patent

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53/320, 39/96

C22B 19/08 (2006.01) C21B 7/16 (2006.01)

Patent

CA 1130559

ABSTRACT A tuyere for a blast furnace, the main body of the tuyere being in the form of a tube with a central bore (1) and the nose portion of the tuyere having a downwardly-inclined hood-like extension (2) of the upper wall of the tube, whereby gas passing through the nose of the tuyere is deflected downwardly by the said extension, which extension has a gas outlet aperture (14) of greater area than the cross-sectional area of the bore of the tube.

308714

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