METHOD OF REFINING ALUMINUM AND ITS ALLOYS Russian patent published in 2003 - IPC

Abstract RU 2213794 C2

FIELD: metallurgy of non-ferrous metals; refining aluminum and its alloys. SUBSTANCE: proposed method ensures reliable refining of metals from hydrogen, sodium and non-metallic inclusions. Proposed method includes treatment of melt through tuyere immersed in it by high-velocity jet of inert and active gas mixture. Mixture of gases is made directly in metal melt after independent supply at introduction of active gas into high- velocity jet of inert gas at pressure of 1000 to 2000 kPa through nozzle having diameter of 0.3-0.7 mm. EFFECT: enhanced efficiency. 1 tbl

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RU 2 213 794 C2

Authors

Anferov V.E.

Trishchenko V.I.

Semenikhin A.I.

Ovsjannikov B.V.

Dates

2003-10-10—Published

2001-10-01—Filed