TECHNOGENIOUS MATERIAL PROCESSING ELECTRIC FURNACE Russian patent published in 2004 - IPC

Abstract RU 2235258 C1

FIELD: nonferrous metallurgy.

SUBSTANCE: invention relates to designing and operation of ore-smelting electric furnaces operating with dipping of electrodes into melt of material and it can be used in ferrous metallurgy and in chemical industry. Proposed electric furnace has body with side walls, charging devices, electrodes assembled into groups, one of which is installed in furnace hearth and connected to one pole of current source, and other is dipped into melt of processable raw material and is connected to other pole of current source. Electrodes of different polarity are installed at alternation, one after the other. Moreover, vertical partitions made of non-conducting material and dipped into melt of processed technogenious raw material are installed between different-polarity electrodes on side walls of furnace. Invention is aimed at improving reliability of dc electric furnace in operation when furnace is used for processing technogenious raw materials containing heavy and light nonferrous metals-out-of-balance and rebellious polymetallic ores, current and accumulated intermediate products such as slags, slimes, clinkers with high content of valuable components and secondary raw materials and practically any waste materials with distilling volatile changing over non-volatile valuable components into bottom phase.

EFFECT: improved processing of raw materials at increased yield.

1 dwg

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RU 2 235 258 C1

Authors

Nus G.S.

Paretskij V.M.

Tarasov A.V.

Dates

2004-08-27Published

2003-02-28Filed