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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">10.17073/0368-0797-2022-11-778-785</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2431</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>Влияние расхода и температуры природного газа на процессы, происходящие в воздушной фурме доменной печи с теплоизолирующей вставкой в дутьевом канале</article-title><trans-title-group xml:lang="en"><trans-title>Effect of natural gas flow rate and temperature on the processes occurring in a blast furnace tuyere with heat-insulating insert in blast channel</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1802-7378</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Албул</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Albul</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Валерьевич Албул, старший преподаватель кафедры «Инжиниринг технологического оборудования»</p><p>Россия, 119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Sergei V. Albul, Senior Lecturer of the Chair “Engineering of Technological Equipment”</p><p>4 Leninskii Ave., Moscow 119049, Russian Federation</p></bio><email xlink:type="simple">albul@misis.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>Кобелев</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kobelev</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олег Анатольевич Кобелев, д.т.н., профессор, Национальный исследовательский технологический университет «МИСиС», главный специалист ГК «РОСАТОМ», Центральный научно-исследовательский институт технологии машиностроения, ОАО НПО «ЦНИИТМАШ»</p><p>Россия, 119049, Москва, Ленинский пр., 4</p><p>Россия, 115088, Москва, Шарикоподшипниковская ул., 4</p></bio><bio xml:lang="en"><p>Oleg A. Kobelev, Dr. Sci. (Eng.), Prof., National University of Science and Technology “MISIS”, Chief Specialist of State Corporation “ROSATO­M”, JSC Russian State Research Center “CNIITMASH”</p><p>4 Leninskii Ave., Moscow 119049, Russian Federation</p><p>4 Sharikopodshipnikovskaya Str., Moscow 115088, Russian Federation</p></bio><email xlink:type="simple">oakobelev@cniitmash.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Радюк</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Radyuk</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Германович Радюк, д.т.н., профессор, ведущий науч­ный сотрудник кафедры обработки металлов давлением</p><p>Россия, 119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Aleksandr G. Radyuk, Dr. Sci. (Eng.), Prof., Leading Researcher of the Chair “Metal Forming”</p><p>4 Leninskii Ave., Moscow 119049, Russian Federation</p></bio><email xlink:type="simple">radjuk@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>Титлянов</surname><given-names>А.  Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Titlyanov</surname><given-names>A.  E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Евграфович Титлянов, к.т.н., старший научный сот­рудник кафедры обработки металлов давлением</p><p>Россия, 119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Aleksandr E. Titlyanov, Cand. Sci. (Eng.), Senior Researcher of the Chair “Metal Forming”</p><p>4 Leninskii Ave., Moscow 119049, Russian Federation</p></bio><email xlink:type="simple">radjuk@rambler.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/0000-0002-9345-3628</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Левицкий</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Levitskii</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Игорь Анисимович Левицкий, к.т.н., доцент кафедры энергоэффективных и ресурсосберегающих промышленных технологий</p><p>Россия, 119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Igor’ A. Levitskii, Cand. Sci. (Eng.), Assist. Prof. of the Chair “Energy-Efficient and Resource-Saving Industrial Technologies”</p><p>4 Leninskii Ave., Moscow 119049, Russian Federation</p></bio><email xlink:type="simple">lewwwis@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><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><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский технологический университет «МИСиС»; Центральный научно-исследовательский институт технологии машиностроения, ОАО НПО «ЦНИИТМАШ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National University of Science and Technology “MISIS”; JSC Russian State Research Center “CNIITMASH”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>22</day><month>11</month><year>2022</year></pub-date><volume>65</volume><issue>11</issue><fpage>778</fpage><lpage>785</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Албул С.В., Кобелев О.А., Радюк А.Г., Титлянов А.Е., Левицкий И.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Албул С.В., Кобелев О.А., Радюк А.Г., Титлянов А.Е., Левицкий И.А.</copyright-holder><copyright-holder xml:lang="en">Albul S.V., Kobelev O.A., Radyuk A.G., Titlyanov A.E., Levitskii I.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/2431">https://fermet.misis.ru/jour/article/view/2431</self-uri><abstract><p>Целью данной работы является анализ влияния теплоизолирующей вставки, а также расхода и температуры природного газа на процессы, происходящие в дутьевом канале воздушной фурмы доменной печи. В работе проанализированы полученные разными исследователями результаты промышленных и численных экспериментов по применению различных способов повышения полноты прохождения реакции горения в пределах воздушной фурмы подаваемого в нее природного газа (ПГ): увеличение расхода и температуры ПГ, использование теплоизолирующих вставок, установленных во внутренний стакан воздушной фурмы. С помощью программного комплекса Ansys Fluent исследовано влияние теплоизолирующей вставки и увеличения расхода ПГ на температуру и состав газов, выходящих из фурмы доменной печи № 5 ПАО «Северсталь». Установлено, что с увеличением расхода ПГ с 0,283 до 0,328 кг/с, температура газовой среды на выходе из фурмы уменьшается на 6 °С для варианта без вставки и увеличивается на 3 °С для варианта со вставкой. При исследовании влияния теплоизолирующей вставки и увеличения температуры ПГ (в разных сочетаниях) на процессы, происходящие в фурме, получено, что температура газовой среды на выходе из фурмы в случае применения теплоизолирующей вставки без подогрева ПГ несколько выше, чем при нагреве ПГ до 200 °С без вставки. Однако эффект подогрева ПГ при наличии вставки существенно выше, чем без нее, за счет взаимного усиления двух факторов воздействия на полноту горения ПГ в пределах фурмы, сопровождаемое защитой внутреннего стакана фурмы от прогара.</p></abstract><trans-abstract xml:lang="en"><p>The purpose of this work was to analyze the effect of a heat-insulating insert, as well as the flow rate and temperature of natural gas on the processes occurring in blast channel of an air tuyere. The paper analyzes the results of industrial and numerical experiments obtained by different researchers on the use of various methods for increasing the completeness of combustion reaction within the air tuyere of natural gas (NG) fed into it: increase of NG flow rate; increase of NG temperature; the use of heat-insulating inserts installed in the inner glass of the air tuyere. Using the Ansys Fluent software complex, the effect of a heat-insulating insert and increase in NG flow rate on the temperature and composition of gases leaving the tuyere of blast furnace no. 5 of PJSC Severstal was studied. It was found that with an increase in NG flow rate from 0.283 to 0.328 kg/s, the temperature of the gas medium at the tuyere outlet decreases by 6 °С for the variant without an insert and increases by 3 °С for the variant with it. When studying the effect of a heat-insulating insert and increase in NG temperature (in different combinations) on the processes occurring in a tuyere, it was found that temperature of the gaseous medium at the tuyere outlet in case of using a heat-insulating insert without NG heating is slightly higher than when NG is heated to 200 °С without inserts. However, the effect of NG heating in the presence of an insert is significantly higher than without it – there is mutual amplification of two factors influencing the completeness of NG combustion within the tuyere, accompanied by protection of the tuyere inner nozzle from burnout.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>доменная печь</kwd><kwd>воздушная фурма</kwd><kwd>дутьевой канал</kwd><kwd>горячее дутье</kwd><kwd>расход природного газа</kwd><kwd>температура природного газа</kwd><kwd>теплоизолирующая вставка</kwd><kwd>горение природного газа</kwd><kwd>моделирование в Ansys</kwd></kwd-group><kwd-group xml:lang="en"><kwd>blast furnace</kwd><kwd>air tuyere</kwd><kwd>blast channel</kwd><kwd>hot blast</kwd><kwd>natural gas flow rate</kwd><kwd>natural gas temperature</kwd><kwd>heat-insulating insert</kwd><kwd>natural gas combustion</kwd><kwd>Ansys simulation</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">Nefedov A.V., Svichkar V.V., Chicheneva O.N. 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