Top blowing refining lance

Details Top blowing refining lance Top blowing refining lance

C - Chemistry, Metallurgy

21

C

C21C 5/32 (2006.01) C21C 5/46 (2006.01)

Patent

CA 2054612

TOP BLOWING REFINING LANCE ABSTRACT Top blowing refining lance for the refining of liquid metals contained in a metallurgical vessel by blowing a gas onto the metal bath, including a rotating device (18) to divide the refining gas flow in an even number of separate gas jets that are more or less identical. The gas jets leave the head (3) of the lance (1) under angles which are substantially equal with respect to the longitudinal axis of the lance (1) but in diametrically opposite directions with respect to the said axis.

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