Abstract
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 % V 2 O 5 with the use of air blast as an oxidizing agent.
Highlights
Explored reserves of titanomagnetite ores of Suroyamskoe deposit in Chelyabinsk region is equaled to 11 billion tons
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 were studied in laboratory conditions of Nosov Magnitogorsk State Technical University
Summary
ИССЛЕДОВАНИЕ ТЕХНОЛОГИИ ПЕРЕРАБОТКИ ТИТАНОМАГНЕТИТОВЫХ РУД СУРОЯМСКОГО МЕСТОРОЖДЕНИЯ. Разведанные запасы титаномагнетитовых руд Суроямского месторождения в Челябинской области составляют 11 млрд т. Носова изучены процессы выплавки чугуна из агломерата, полученного из титаномагнетитовых руд Суроям ского месторождения и его последующей деванадации с получением ванадиевого шлака, пригодного для производства феррованадия. Отработана технология выплавки чугуна из агломерата, полученного из концентрата Суроямского месторождения, и последующ ей его деванадации с получением двух продуктов – передельного чугуна и ванадиевого шлака. Подтверждена принципиальная возможность проведения деванадации экспериментального Суроямского чугуна с получением ванадиевого шлака, содержащего до 12 % V2O5 с применением в качестве окислителя воздушного дутья. Для определения основных технологических параметров нового производства на базе МГТУ были изучены процессы выплавки чугуна из агломерата, полученного из титаномагнетитовых руд Суроямского месторождения и его дальнейшей деванадации с получением ванадиевого шлака, пригодного для производства феррованадия
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