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2 062 799

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IPC

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Application

94024380/02, 1994-06-29

(22)

Actual filing date

1994-06-29

(45)

Published

1996-06-27

(72)

Inventor

Elkin K.S.Pak R.V.Elkin D.K.

(73)

Holder

Ao Aljuminievyj Zavod"

SILICON MELTING METHOD Russian patent published in 1996 - IPC

Abstract RU 2062799 C1

FIELD: metallurgy, production of silicon in electric furnaces. SUBSTANCE: method comprises steps of loading and melting charge having ore portion and reduction portion in bath of furnace; using as reduction portion of charge mixture of carbonaceous reducers with next ratio of ingredient (mass %): charcoal 25-35; hard coal 20-25; petroleum coke 30-40; wooden chip 10-15. Inclination angle of generatrix of truncated cone near vertical axis consists 5-12 degrees. EFFECT: enhanced efficiency of the method. 2 cl, 1 tbl

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RU 2 062 799 C1

Authors

Elkin K.S.

Pak R.V.

Elkin D.K.

Dates

1996-06-27—Published

1994-06-29—Filed

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