Refining technology for titanomagnetite ores from Suroyamskoe deposit

Explored reserves of titanomagnetite ores of Suroyamskoe deposit in Chelyabinsk region is equaled to 11 billion tons. Construction of a new metallurgical enterprise may be relevant for their production and processing. The most promising is the traditional scheme of metal production: ore mining, its crushing and enrichment, production of agglomerate and pellets from concentrates, smelting of pig iron in blast furnaces and steel production in oxygen converters. To establish basic technological parameters of the new production scheme, pig iron smelting from sinter obtained from titanomagnetite ores of Suroyams-koye deposit and its further devanadation (to produce vanadium slag suitable for the production of ferrovanadium) were studied in laboratory conditions of Nosov Magnitogorsk State Technical University. At the initial stage, a calculation was carried out, than experiments in laboratory conditions were made. As a result, the technology was developed for smelting pig iron from sinter obtained from concentrate of Suroyamskoe deposit and its subsequent devanalization to produce two products: pig iron and vanadium slag. It has been established that it is advisable to obtain vanadium in it at least of 0.22 % when smelting pig iron. Dependences of the main indicator of devanadation effi-cience - the content of vanadium oxide in slag - on the concentration of vanadium in pig iron and the amount of slag were found. The fundamental possibility of de-exploitation of experimental Suroyamskii pig iron was confirmed with the production of vanadium slag containing up to 12 % V₂O₅ with the use of air blast as an oxidizing agent.

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