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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">mgssuvest</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник МГСУ</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik MGSU</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-0935</issn><issn pub-type="epub">2304-6600</issn><publisher><publisher-name>Moscow State University of Civil Engineering (National Research University) (MGSU)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22227/1997-0935.2024.12.1951-1962</article-id><article-id custom-type="elpub" pub-id-type="custom">mgssuvest-449</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>Гидравлика. Геотехника. Гидротехническое строительство</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Hydraulics. Geotechnique. Hydrotechnical construction</subject></subj-group></article-categories><title-group><article-title>Особенности проектирования систем гидротранспорта горнообогатительных фабрик</article-title><trans-title-group xml:lang="en"><trans-title>Design of hydraulic transport systems for mining and processing plants</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2349-5005</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волгина</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Volgina</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Людмила Всеволодовна Волгина — кандидат технических наук, доцент кафедры гидравлики и гидротехнического строительства</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p><p>РИНЦ AuthorID: 289878, Scopus: 57208499016, ResearcherID: AAC-3242-2022</p></bio><bio xml:lang="en"><p>Lyudmila V. Volgina — Candidate of Technical Sciences, Associate Professor of the Department of Hydraulics and Hydraulic Engineering</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p><p> RSCI AuthorID: 289878, Scopus: 57208499016, ResearcherID: AAC-3242-2022</p></bio><email xlink:type="simple">VolginaLV@gic.mgsu.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>Сергеев</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sergeev</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Станислав Алексеевич Сергеев — кандидат технических наук, доцент кафедры гидравлики и гидротехнического строительства</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p></bio><bio xml:lang="en"><p>Stanislav A. Sergeev — Candidate of Technical Sciences, Associate Professor of the Department of Hydraulics and Hydraulic Engineering</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p></bio><email xlink:type="simple">Stanislav_sergeev91@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/0000-0003-3467-4495</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Романова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Romanova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анастасия Андреевна Романова — главный специалист</p><p>115114, г. Москва, Дербеневская набережная, д. 7, стр. 10 </p><p>РИНЦ AuthorID: 969058, Scopus: 57208482859</p></bio><bio xml:lang="en"><p>Anastasia A. Romanova — Chief Specialist</p><p>7 Derbenevskaya emb., build. 10, Moscow, 115114</p><p>RSCI AuthorID: 969058, Scopus: 57208482859</p></bio><email xlink:type="simple">anastasiya.a.romanova@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский Московский государственный строительный университет (НИУ МГСУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Civil Engineering (National Research University) (MGSU)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Акционерное общество «Институт «Оргэнергострой» (АО ОЭС)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Joint Stock Company “Institute “Orgenergostroy” (JSC IOES)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>26</day><month>12</month><year>2024</year></pub-date><volume>19</volume><issue>12</issue><fpage>1951</fpage><lpage>1962</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Волгина Л.В., Сергеев С.А., Романова А.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Волгина Л.В., Сергеев С.А., Романова А.А.</copyright-holder><copyright-holder xml:lang="en">Volgina L.V., Sergeev S.A., Romanova A.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://www.vestnikmgsu.ru/jour/article/view/449">https://www.vestnikmgsu.ru/jour/article/view/449</self-uri><abstract><sec><title>Введение</title><p>Введение. Рассматриваются особенности проектирования системы гидротранспорта, являющейся частью технологической цепочки переработки руды. Проведен критический анализ текущих характеристик пульпопровода хвостового хозяйства горно-обогатительного комплекса «Рябиновый» (ГОК «Рябиновый), расположенного около г. Алдана. При гидравлических расчетах двухфазных потоков исходными данными были химический состав транспортируемой пустой породы, характеристики производительности обогатительной фабрики, геодезические данные места складирования твердых частиц.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. На основе теории двухфазных потоков авторами приведены расчеты характеристик твердых частиц, потока и потерь энергии, необходимых при проектировании пульпопроводов. Инженерными задачами расчета двухфазных потоков являются расчеты потерь напора при гидротранспорте различных материалов по трубам, определение предельных скоростей, при которых транспортируемый материал еще не осаждается на дно потока, и выбор оборудования для осуществления гидравлического транспорта. Приведена зависимость удельных потерь энергии двухфазных потоков, при средних скоростях, рекомендуемых нормативными документами на основе экспериментальных данных, полученных на кафедре гидравлики МГСУ. Транспортировка твердых частиц возможна, если поток обладает для этого достаточной энергией и на дне трубопровода не образуется осадок. Средняя скорость, соответствующая режиму транспортирования без осадка, является критической скоростью двухфазного потока.</p></sec><sec><title>Результаты</title><p>Результаты. Сформулированные рекомендации о выборе эффективного режима гидротранспорта основаны на принципе минимизации потерь энергии. Выявлен дефицит энергии потока в рассматриваемом пульпопроводе и показана необходимость использования критерия о необходимости превышения средней скорости над критической скоростью двухфазного потока.</p></sec><sec><title>Выводы</title><p>Выводы. Обоснована необходимость использования коэффициента запаса скорости для достижения эффективного режима транспортирования. Особое внимание уделено расчету потерь напора при критической скорости транспортирования, что является основой для выбора насосного оборудования.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Peculiarities of design of the hydrotransport system, which is part of the technological chain of ore processing are considered. A critical analysis of the characteristics of the slurry pipeline of the tailing facility of the mining and processing complex “Ryabinovy” (MPC “Ryabinovy”), located near the city of Aldan, was carried out.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. In the hydraulic calculations of two-phase flows, the initial data were the chemical composition of the tailings, the basic features of the processing plant, and the geodetic data of the place of tailing storage. Based on the theory of two-phase flows, the authors provide calculations of the characteristics of solid particles, flow and energy losses necessary for the design of slurry pipelines. The engineering tasks of calculating two-phase flows are the calculation of head losses during the hydrotransportation of various materials through slurry pipes, the determination of the maximum velocity at which the transported material is not yet deposited to the bottom of the flow and the choice of equipment for hydraulic transport. The dependence of specific energy losses of two-phase flows, at average velocity, below those recommended by regulations on the basis of experimental data obtained at the Department of “Hydraulics and Hydrotechnical Engineering”, NRU MGSU, is given. Solid particles transport is possible if the flow has sufficient energy for this without sediment formation at the bottom of the pipeline. The average speed corresponding to the sediment-free transport mode is the critical velocity of the two-phase flow.</p></sec><sec><title>Results</title><p>Results. The recommendation on the choice of an effective mode of hydrotransport is based on the principle of minimizing energy losses. The deficit of flow energy in the slurry pipeline is revealed and the necessity to use the criterion on the need to exceed the average velocity over the critical velocity of the two-phase flow is shown.</p></sec><sec><title>Conclusions</title><p>Conclusions. The necessity of using the speed reserve coefficient to achieve an effective mode of transportation was formulated. Particular attention is paid to the calculation of head losses at a critical transport speed, which is the basis for the choice of pumping equipment.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>гидротранспорт</kwd><kwd>двухфазные потоки</kwd><kwd>пульпопровод</kwd><kwd>потери напора</kwd><kwd>критическая скорость</kwd><kwd>режим гидротранспортирования</kwd><kwd>насосное оборудование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hydrotransport</kwd><kwd>two-phase flows</kwd><kwd>slurry pipeline</kwd><kwd>pressure losses</kwd><kwd>critical velocity</kwd><kwd>hydration mode</kwd><kwd>pumpin equipment</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">Алешков М.В., Волгина Л.В. Кинематические характеристики двухфазных потоков при гидроабразивной резке // Вестник МГСУ. 2019. Т. 14. Вып. 12. С. 1610–1618. DOI: 10.22227/1997-0935.2019.12.1610-1618. 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