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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2025-4-339-341</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2933</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МЕТАЛЛУРГИЧЕСКИЕ ТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METALLURGICAL TECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>Моделирование работы ферросплавной печи при увеличении мощности и диаметра электродов</article-title><trans-title-group xml:lang="en"><trans-title>Modeling the operation of ferroalloy furnace with increased power and electrode diameters</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шкирмонтов</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Shkirmontov</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Прокопьевич Шкирмонтов, д.т.н., директор Центра Редакции научных журналов</p><p>Россия, 125167, Москва, Ленинградский пр., 49/2</p></bio><bio xml:lang="en"><p>Aleksandr P. Shkirmontov, Dr. Sci. (Eng.), Director of the Editorial Center of Scientific Journals</p><p>49/2 Leningradskii Ave., Moscow 125167, Russian Fede­ration</p></bio><email xlink:type="simple">aps-panor@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Финансовый университет при Правительстве Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Financial University under the Government of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>22</day><month>08</month><year>2025</year></pub-date><volume>68</volume><issue>4</issue><fpage>339</fpage><lpage>341</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шкирмонтов А.П., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Шкирмонтов А.П.</copyright-holder><copyright-holder xml:lang="en">Shkirmontov A.P.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://fermet.misis.ru/jour/article/view/2933">https://fermet.misis.ru/jour/article/view/2933</self-uri><abstract><p>На электролитической модели авторы исследовали работу ферросплавной печи при увеличении диаметра электродов и повышении мощности. В качестве рабочего тела использовали традиционный водный раствор c концентрацией 0,2 % NaCl. Диаметр электродов увеличивали от 30 до 150 мм. Параметры печей мощностью от 7,5 – 10,5 до 81 МВ·А при выплавке ферросилиция соответствуют результатам опытов моделирования, которые были подтверждены при выплавке 45 %-ного ферросилиция в промышленных печах с аналогичными относительными технологическими параметрами. Вид зависимости снижения сопротивления ванны от увеличения диаметра электродов для промышленных ферросплавных печей аналогичен зависимости, полученной в результате опытов по моделированию. Фактор значительного снижения сопротивления ванны от увеличения диаметра электрода для ферросплавных печей различной мощности при выплавке одного сплава имеет весьма существенное значение. При увеличении силы тока электрода снижаются электрический КПД, коэффициент мощности печи и доля активной мощности в ванне технологического процесса. Проведенный анализ параметров печей при выплавке 45 %-ного ферросилиция подтверждает выводы электролитического моделирования ферросплавных печей о значительной роли увеличения диаметра электродов печей в снижении активного сопротивления ванны.</p></abstract><trans-abstract xml:lang="en"><p>Using an electrolytic model, the authors investigated the operation of a ferroalloy furnace with increased electrode diameters and power. A traditional aqueous solution with a concentration of 0.2 % NaCl was used as the working fluid. Diameter of the electrodes was increased from 30 to 150 mm. The parameters of furnaces with a capacity from 7.5 – 10.5 to 81 MV·A during ferrosilicon smelting correspond to the results of simulation experiments, which were confirmed during the smelting of 45 % ferrosilicon in industrial furnaces with similar relative technological parameters. The type of dependence of the decrease in bath resistance on the increase in electrode diameter for industrial ferroalloy furnaces is similar to the dependence obtained as a result of modeling experiments. The factor of a significant decrease in the bath resistance due to an increase in electrode diameter for ferroalloy furnaces of different capacities during the smelting of a single alloy is very significant. With an increase in current strength of the elect­rode, electrical efficiency, the furnace power factor and the share of active power in the bath decrease. Analysis of the furnace parameters during smelting of 45 % ferrosilicon confirms the conclusions of electrolytic modeling of ferroalloy furnaces about the significant role of increasing the dia­meter of furnace electrodes in reducing the bath active resistance.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ферросплавная печь</kwd><kwd>модель электропечи</kwd><kwd>диаметр электрода</kwd><kwd>распад электродов</kwd><kwd>активное сопротивление ванны</kwd><kwd>коэффициент мощности</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ferroalloy furnace</kwd><kwd>electric furnace models</kwd><kwd>electrode diameter</kwd><kwd>electrode decay</kwd><kwd>active bath resistance</kwd><kwd>power factor</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Saevarsdottir G., Larsen H.L., Bakken J.A. Modelling of AC arcs in three-phase submerged arc furnaces. In: Proceedings of the VII Int. 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