RU2003118504A -
METHOD FOR PRODUCING INTEGRATED SILICON FERROALLOY
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METHOD FOR PRODUCING INTEGRATED SILICON FERROALLOY
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RU2003118504A
RU2003118504ARU2003118504/02ARU2003118504ARU2003118504ARU 2003118504 ARU2003118504 ARU 2003118504ARU 2003118504/02 ARU2003118504/02 ARU 2003118504/02ARU 2003118504 ARU2003118504 ARU 2003118504ARU 2003118504 ARU2003118504 ARU 2003118504A
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Способ получения комплексного кремнистого ферросплава одностадийным непрерывным углеродотермическим процессом с введением и проплавлением шихты, состоящей из окускованной смеси рудной части шихты с избытком углеродистого восстановителя, необходимого для восстановления ведущих элементов, при недостатке восстановителя во всей шихте, отличающийся тем, что в смесь для брикетирования дополнительно вводят интенсификатор процесса восстановления и отходы собственного производства в виде ферросплава крупностью менее 1 мм, шлака и возгонов в количестве соответственно 2-10% и 1-15%, а в качестве интенсификатора используют сульфиды и/или оксиды меди и никеля, боратовую руду и плавиковый шпат.A method of producing a complex silicon ferroalloy with a one-step continuous carbonothermal process with the introduction and melting of the mixture, consisting of an agglomerated mixture of the ore part of the mixture with an excess of carbon reducing agent needed to restore the leading elements, with a lack of reducing agent in the entire mixture, characterized in that it is additionally introduced into the briquetting mixture intensifier of the recovery process and domestic waste in the form of a ferroalloy with a particle size of less than 1 mm, slag and sublimation in amounts of 2-10% and 1-15%, respectively, and sulfides and / or oxides of copper and nickel, borate ore and fluorspar are used as intensifier.
RU2003118504/02A2003-06-232003-06-23Method of production of complex siliceous ferro-alloy
RU2247169C1
(en)
Process for the continuous or discontinuous treatment of fused slag,in particular slag containing heavy metal oxides,to recover the proportions,contained therein,of valuable metals or compounds thereof
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