Method of lancing for a copper producing converter

Details Method of lancing for a copper producing converter Method of lancing for a copper producing converter

C - Chemistry, Metallurgy

22

B

53/281

C22B 15/06 (2006.01) C22B 9/05 (2006.01)

Patent

CA 1234292

ABSTRACT OF THE DISCLOSURE A method of oxygen lancing for a copper-producing converter. An oxygen-enriched gas, such as oxygen-enriched air or pure oxygen, having a gage pressure of at least 1 kg/cm2 is blown onto the surface of a molten bath through at least one top lancing tube of the non-immersion type having a lower end located within the converter and held at a height within 0.4 m above the surface of the bath as measured when the bath is at a standstill, while air is simultaneously blown into the bath through tuyeres.

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