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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">10.17073/0368-0797-2024-6-735-737</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2808</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>ИННОВАЦИИ В МЕТАЛЛУРГИЧЕСКОМ ПРОМЫШЛЕННОМ И ЛАБОРАТОРНОМ ОБОРУДОВАНИИ, ТЕХНОЛОГИЯХ И МАТЕРИАЛАХ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INNOVATIONS IN METALLURGICAL INDUSTRIAL AND LABORATORY EQUIPMENT, TECHNOLOGIES AND MATERIALS</subject></subj-group></article-categories><title-group><article-title>Реинжиниринг шаровой мельницы Новотроицкого завода хромовых соединений</article-title><trans-title-group xml:lang="en"><trans-title>Re-engineering of ball mill at Novotroitsk Plant of Chromium Compounds</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>Нефедов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nefedov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Викторович Нефедов, к.пед.н., доцент, заместитель директора</p><p>Россия, 426359, Оренбургская обл., Новотроицк, ул. Фрунзе, 8</p></bio><bio xml:lang="en"><p>Andrei V. Nefedov, Cand. Sci. (Pedagogical), Assist. Prof., Deputy Director</p><p>8 Frunze Str., Novotroitsk, Orenburg Region 426359, Russian Federation</p></bio><email xlink:type="simple">cosnovotr@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ишмухаметов</surname><given-names>Р. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Ishmukhametov</surname><given-names>R. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Роман Эдуардович Ишмухаметов, студент</p><p>Россия, 426359, Оренбургская обл., Новотроицк, ул. Фрунзе, 8</p></bio><bio xml:lang="en"><p>Roman E. Ishmukhametov, Student</p><p>8 Frunze Str., Novotroitsk, Orenburg Region 426359, Russian Federation</p></bio><email xlink:type="simple">peretz_97@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/0000-0002-9019-4675</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чиченев</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Chichenev</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николай Алексеевич Чиченев, д.т.н., профессор кафедры инжиниринга технологического оборудования</p><p>Россия, 119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Nikolai A. Chichenev, Dr. Sci. (Eng.), Prof. of the Chair “Engineering of Technological Equipment”</p><p>4 Leninskii Ave., Moscow 119049, Russian Federation</p></bio><email xlink:type="simple">chich38@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Новотроицкий филиал Национального исследовательского технологического университета «МИСИС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novotroitsk Branch of the National University of Science and Technology “MISIS”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский технологический университет «МИСИС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National University of Science and Technology “MISIS”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>23</day><month>11</month><year>2024</year></pub-date><volume>67</volume><issue>6</issue><fpage>735</fpage><lpage>737</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нефедов А.В., Ишмухаметов Р.Э., Чиченев Н.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Нефедов А.В., Ишмухаметов Р.Э., Чиченев Н.А.</copyright-holder><copyright-holder xml:lang="en">Nefedov A.V., Ishmukhametov R.E., Chichenev N.A.</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/2808">https://fermet.misis.ru/jour/article/view/2808</self-uri><abstract><p>Новотроицкий завод хромовых соединений специализируется на переработке хромитовых и доломитовых руд. Опыт эксплуатации показал, что потеря работоспособности шаровой мельницы, установленной в данном цехе, приводит к незапланированным простоям из-за отказа элементов привода, которые составляют 11,3 % от номинального времени работы цеха. Для повышения надежности технологического оборудования предложена замена действующего электропривода на современный мотор-редуктор, передающий вращение барабану мельницы через зубчатую муфту. В результате разработки нового привода удалось упростить его конструкцию и уменьшить трудоемкость технического обслуживания и ремонта. Дополнительные капитальные затраты не превышают 3,4 млн руб и окупаются менее, чем за три месяца.</p></abstract><trans-abstract xml:lang="en"><p>Novotroitsk Plant of Chromium Compounds (NPCC) specializes in the processing of chromite and dolomite ores. Operating experience showed that the loss of operability of the ball mill installed in this workshop leads to unplanned downtime due to the failure of drive elements, which account for 11.3 % of the rated operating time of the workshop. To improve the reliability of technological equipment, it was proposed to replace the existing electric drive with a modern geared motor, which transmits rotation to the mill drum through a gear coupling. As a result of the new drive engineering, it was possible to simplify its design and reduce the labor intensity of maintenance and repair. Additional capital expenditures do not exceed RUB 3.4 million and pay off in less than 3 months.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>обогатительное производство</kwd><kwd>процессы дробления и измельчения</kwd><kwd>трубчатая шаровая мельница</kwd><kwd>электромеханический привод</kwd><kwd>мотор-редуктор</kwd></kwd-group><kwd-group xml:lang="en"><kwd>foundry</kwd><kwd>beneficiation production</kwd><kwd>crushing and grinding processes</kwd><kwd>tube ball mill</kwd><kwd>electromechanical drive</kwd><kwd>geared motor</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">Ефремов Д.Б., Степанов В.М., Чиченева О.Н. Модернизация механизма быстрого отжима валков прокатной клети ДУО стана 2800 АО «Уральская Сталь». Сталь. 2020;(8):44–47.</mixed-citation><mixed-citation xml:lang="en">Efremov D.B., Stepanov V.M., Chicheneva O.N. 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