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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">10.17073/0368-0797-2023-1-89-96</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2484</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>ФИЗИКО-ХИМИЧЕСКИЕ ОСНОВЫ МЕТАЛЛУРГИЧЕСКИХ ПРОЦЕССОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICO-CHEMICAL BASICS OF METALLURGICAL PROCESSES</subject></subj-group></article-categories><title-group><article-title>Влияние В\(_{2}\)О\(_{3}\) на вязкость высокомагнезиальных доменных шлаков</article-title><trans-title-group xml:lang="en"><trans-title>Effect of B\(_{2}\)O\(_{3}\) on viscosity of high-magnesia blast furnace slag</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6395-0834</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вусихис</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vusikhis</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Семенович Вусихис, к.т.н., старший научный сотрудник лаборатории пирометаллургии цветных металлов</p><p>Россия, 620016, Екатеринбург, ул. Амундсена, 101</p></bio><bio xml:lang="en"><p>Aleksandr S. Vusikhis, Cand. Sci. (Eng.), Senior Researcher of the Laboratory of Pyrometallurgy of Non-Ferrous Metals</p><p>101 Amundsena Str., Yekaterinburg 620016, Russian Federation</p></bio><email xlink:type="simple">vas58@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4343-914X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Леонтьев</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Leont’ev</surname><given-names>L. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Леопольд Игоревич Леонтьев, академик, советник, Президиум РАН, д.т.н., профессор, Национальный исследовательский технологический университет «МИСиС», главный научный сотрудник, Институт металлургии Уральского отделения РАН</p><p>Россия, 620016, Екатеринбург, ул. Амундсена, 101</p><p>Россия, 119049, Москва, Ленинский пр., 4</p><p>Россия, 119991, Москва, Ленинский пр., 32а</p></bio><bio xml:lang="en"><p>Leopol’d I. Leont’ev, Academician, Adviser, Russian Academy of Scien­ces, Dr. Sci. (Eng.), Prof., National University of Science and Technology “MISIS”, Chief Researcher, Institute of Metallurgy, Ural Branch of the Russian Academy of Science</p><p>101 Amundsena Str., Yekaterinburg 620016, Russian Federation</p><p>4 Leninskii Ave., Moscow 119049, Russian Federation</p><p>32a Leninskii Ave., Moscow 119991, Russian Federation</p></bio><email xlink:type="simple">leo@presidium.ras.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2860-0377</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гуляева</surname><given-names>Р. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Gulyaeva</surname><given-names>R. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Роза Иосифовна Гуляева, к.х.н., старший научный сотрудник лаборатории пирометаллургии цветных металлов</p><p>Россия, 620016, Екатеринбург, ул. Амундсена, 101</p></bio><bio xml:lang="en"><p>Roza I. Gulyaeva, Cand. Sci. (Chem.), Senior Researcher of the Laboratory of Pyrometallurgy of Nonferrous Metals</p><p>101 Amundsena Str., Yekaterinburg 620016, Russian Federation</p></bio><email xlink:type="simple">gulroza@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1310-7670</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сергеева</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sergeeva</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Владимировна Сергеева, к.т.н., старший научный сотрудник лаборатории пирометаллургии цветных металлов</p><p>Россия, 620016, Екатеринбург, ул. Амундсена, 101</p></bio><bio xml:lang="en"><p>Svetlana V. Sergeeva, Cand. Sci. (Eng.), Senior Researcher of the Laboratory of Pyrometallurgy of Nonferrous Metals</p><p>101 Amundsena Str., Yekaterinburg 620016, Russian Federation</p></bio><email xlink:type="simple">lazarevasv@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0864-0462</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тюшняков</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Tyushnyakov</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Станислав Николаевич Тюшняков, к.т.н., старший научный сотрудник лаборатории пирометаллургии цветных металлов</p><p>Россия, 620016, Екатеринбург, ул. Амундсена, 101</p></bio><bio xml:lang="en"><p>Stanislav N. Tyushnyakov, Cand. Sci. (Eng.), Senior Researcher of the Laboratory of Pyrometallurgy of Non-Ferrous Metals</p><p>101 Amundsena Str., Yekaterinburg 620016, Russian Federation</p></bio><email xlink:type="simple">tyushnyakov.sn@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт металлургии Уральского отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Metallurgy, Ural Branch of the Russian Academy of Science</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт металлургии Уральского отделения РАН; Национальный исследовательский технологический университет «МИСИС»; Президиум РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Metallurgy, Ural Branch of the Russian Academy of Science; National University of Science and Technology “MISIS”; Scientific Council on Metallurgy and Metal Science of Russian Academy of Sciences (Department of Chemistry and Material Sciences)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>01</day><month>03</month><year>2023</year></pub-date><volume>66</volume><issue>1</issue><fpage>89</fpage><lpage>96</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Вусихис А.С., Леонтьев Л.И., Гуляева Р.И., Сергеева С.В., Тюшняков С.Н., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Вусихис А.С., Леонтьев Л.И., Гуляева Р.И., Сергеева С.В., Тюшняков С.Н.</copyright-holder><copyright-holder xml:lang="en">Vusikhis A.S., Leont’ev L.I., Gulyaeva R.I., Sergeeva S.V., Tyushnyakov S.N.</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/2484">https://fermet.misis.ru/jour/article/view/2484</self-uri><abstract><p>На металлургических предприятиях Урала доля местного сырья составляет 50 – 60 %. Его дефицит компенсируется использованием материалов, завозимых из Центральной России, Кольского полуострова и Казахстана. Замена их на местное сырье увеличит конкурентоспособность производимого на Урале металла, поэтому вопрос оценки возможности замены привозного сырья на местное является весьма актуальным. Таким сырьем могут быть сидеритовые руды Бакальского месторождения. Они не пользуются спросом у металлургов из-за низкого содержания железа и высокого содержания магния. С ростом количества сидеритов в шихте увеличивается содержание оксида магния в шлаке, что влияет на его вязкость и делает затруднительным или невозможным плавку с использованием более 20 % сидеритов. Для разжижения шлака предложено использовать оксид бора. Синтетический шлак, содержащий 26,8 % CaO, 38,1 % SiO2 , 11,8 % Al2O3 , 23,6 % MgO, моделирующий состав шлака доменной плавки Магнитогорского металлургического комбината с добавкой 30 % обожженных сидеритов, является коротким и неустойчивым. Температура, при которой его вязкость соответствует вязкости на выпуске (0,5 Па·с), составляет 1390 °С, а температура, соответствующая температуре плавления (вязкость 2,5 Па·с), составляет 1367 °С. Если в такой шлак добавить борный ангидрид, он становится длинным и устойчивым. В расплавах при увеличении доли B2O3 от 0 до 12 % температура, при которой вязкость шлака составляет 0,5 и 2,5 Па·с, снижается до 1260 и 1100 °С соответственно. Это делает возможным значительное увеличение доли сидеритов в доменной шихте.</p></abstract><trans-abstract xml:lang="en"><p>Smelters in the Urals procure only 50 – 60 % of raw materials from local sources. The rest is imported from Central Russia, the Kola Peninsula, and Kazakhstan. Switching to local raw materials would increase the competitiveness of the Urals metals, so local alternatives should be considered, such as siderite ore from the Bakal deposit. The ore is in low demand due to its low iron content and high magnesium content. The higher the siderite content in the charge, the higher the magnesium oxide content in the slag. This affects the slag viscosity, so for siderite content exceeding 20%, melting is difficult or impossible. We proposed the addition of boric oxide to liquefy the slag. The simulated slag (CaO 26.8 %; SiO2 38.1 %; Al2O3 11.8 %; MgO 23.6 %) identical to that produced by the Magnitogorsk Metallurgical Plant (MMK) blast furnaces with the addition of 30 % of calcined siderite is short and unstable. The temperature when the slag viscosity is equal to that at the blast furnace taphole (0.5 Pa·s) is 1390 °C, while the melting point (2.5 Pa·s viscosity) is 1367 °C. The addition of boric anhydride makes the slag long and stable. As the B2O3 content is increased from 0 to 12 %, the temperatures at which the slag viscosity is 0.5 and 2.5 Pa·s decrease to 1260 and 1100 °C, respectively. The study shows it is possible to significantly increase the siderite content in blast furnace charge.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>железорудное сырье</kwd><kwd>бакальские сидериты</kwd><kwd>вязкость</kwd><kwd>шлак</kwd><kwd>оксид бора</kwd><kwd>оксид магния</kwd><kwd>температура плавления</kwd></kwd-group><kwd-group xml:lang="en"><kwd>iron-ore raw materials</kwd><kwd>Bakal siderites</kwd><kwd>viscosity</kwd><kwd>slag</kwd><kwd>boron oxide</kwd><kwd>magnesium oxide</kwd><kwd>melting temperature</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Российского научного фонда по проекту № 22-29-00400.</funding-statement><funding-statement xml:lang="en">The work was supported by the Russian Science Foundation, project No. 22-29-00400.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Волков Ю.В., Соколов И.В., Смирнов А.А. 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