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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">10.17073/0368-0797-2020-7-554-559</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-1946</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>Экспериментальное исследование фракционного состава кусков хрупкого материала при дроблении в одновалковой дробилке с упором на валке</article-title><trans-title-group xml:lang="en"><trans-title>Experimental study of fractional composition of pieces of brittle material during crushing in a single-roll crusher with block stop on the roll</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>Никитин</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitin</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор кафедры «Механика и машиностроение»</p><p>654007, Россия, Кемеровская обл. - Кузбасс, Новокузнецк, ул. Кирова, 42</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Professor of the Chair of Mechanics and Machine Engineering</p><p>Novokuznetsk, Kemerovo Region - Kuzbass</p><p> </p></bio><email xlink:type="simple">nikitin1601@yandex.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>Епифанцев</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Epifantsev</surname><given-names>Yu. A</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент кафедры «Механика и машиностроение»</p><p>654007, Россия, Кемеровская обл. - Кузбасс, Новокузнецк, ул. Кирова, 42</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Assist. Professor of the Chair of Mechanics and Mechanical Engineering</p><p>Novokuznetsk, Kemerovo Region - Kuzbass</p></bio><email xlink:type="simple">epifantsev42@mail.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>Медведева</surname><given-names>К. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Medvedeva</surname><given-names>K. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ведущий инженер</p><p>654007, Россия, Кемеровская обл. - Кузбасс, Новокузнецк, ул. Кирова, 42</p></bio><bio xml:lang="en"><p>Leading Engineer</p><p>Novokuznetsk, Kemerovo Region - Kuzbass</p></bio><email xlink:type="simple">ksuwinchester@mail.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>Герике</surname><given-names>П. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Gerike</surname><given-names>P. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., старший научный сотрудник лаборатории средств механизации</p><p>650000, Россия, Кемерово, пр. Советский, 18</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Senior Researcher of the Laboratory of Means of Mechanization</p><p>Kemerovo Region - Kuzbass, Kemerovo</p></bio><email xlink:type="simple">am_besten@mail.ru</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>Фастыковский</surname><given-names>А. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Fastykovskii</surname><given-names>A. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p> д.т.н., доцент, заведующий кафедрой «Обработка металлов давлением и металловедение. ЕВРАЗ ЗСМК»</p><p>654007, Россия, Кемеровская обл. - Кузбасс, Новокузнецк, ул. Кирова, 42</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Assist. Professor, Head of the Chair “Metal Forming and Metal Science. OJSC “EVRAZ ZSMK”</p><p>Novokuznetsk, Kemerovo Region - Kuzbass</p><p> </p></bio><email xlink:type="simple">omd@sibsiu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский государственный индустриальный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Industrial University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральный исследовательский центр угля и углехимии СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Center for Coal and Coal Chemistry of SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>05</day><month>10</month><year>2020</year></pub-date><volume>63</volume><issue>7</issue><fpage>554</fpage><lpage>559</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Никитин А.Г., Епифанцев Ю.А., Медведева К.С., Герике П.Б., Фастыковский А.Р., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Никитин А.Г., Епифанцев Ю.А., Медведева К.С., Герике П.Б., Фастыковский А.Р.</copyright-holder><copyright-holder xml:lang="en">Nikitin A.G., Epifantsev Y.A., Medvedeva K.S., Gerike P.B., Fastykovskii A.R.</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/1946">https://fermet.misis.ru/jour/article/view/1946</self-uri><abstract><p>Переработка используемых в металлургической промышленности сыпучих материалов для получения необходимых классов крупности требует использования дробильных машин, в том числе и одновалковых. Показателями процесса дробления являются степень и эффективность дробления. Степень дробления оценивается отношением размеров исходного дробимого и получаемого кусков, зависит от величины зазора между валком и неподвижной щекой. В Сибирском государственном индустриальном университете спроектирована, изготовлена и запатентована опытно-экспериментальная установка для проведения исследований процесса дробления. Установка представляет собой однοвалκοвую дрοбилку с упором на валκе. Проведена серия экспериментов по дрοблению различных образцов (по форме, размеру и прοчнοсти). Описана методика проведения эксперимента и конструкция однοвалκοвой дрοбилки с упором на валке. Представлены результаты разрушения образцов изотропного материала, изготовленных из цементно-песчанной смеси, правильной (сферической) формы. Образцы из изотропного материала позволяют сравнивать аналитические выводы определения положения плоскости действия максимальных касательных напряжений с экспериментальными данными. Также разрушены образцы из анизотропного материала (на примере ферросплава). Экспериментально определено, что чем больше величина зазора между валком и неподвижной щекой, тем крупнее размер фракции готового продукта и меньше переизмельчение, чем при дроблении такого же куска при меньшем зазоре. При этом степень дробления в однοвалκοвой дрοбилке с упором на валκе не может быть равна 4 и более. Доказано, что разрушение изотропных материалов происходит по плоскости действия максимальных касательных напряжений. Анизотропные материалы разрушаются в зависимости от величины зазора между валком и щекой как по плоскости действия максимальных касательных напряжений, так и по плоскостям наименьшего сопротивления.</p></abstract><trans-abstract xml:lang="en"><p>Processing of bulk materials used in metallurgical industry to obtain necessary grades of size requires application of crushing machines, including a single-roll type. Indicators of crushing process are degree and efficiency of crushing. Degree of crushing is estimated by the ratio of size of initial crushed and resulting pieces, which depends on size of the gap between a roll and a fixed jaw. The Siberian State Industrial University has patented, designed and manufactured a pilot unit, which is a single-roll crusher with block stop on the roll to study crushing process. A series of experiments on different samples (in shape, size and strength) crushing was carried out on the developed unit. Technique of the experiment and the design of a single-roll crusher with block stop on the roll were described. Results of destruction of the samples of isotropic material made of sand-cement mixture of regular (spherical) shape are presented. Samples from isotropic material allow comparison of analytical conclusions of determining position of the plane of action of maximum tangential stresses with experimental data. Samples of anisotropic material (for example, ferroalloy) were also destroyed. It was experimentally determined that the larger is clearance between the roll and the fixed jaw, the larger is the size of fraction of finished product and over-grinding is less than after crushing the same piece with a smaller clearance. The degree of crushing in a single-roll crusher with block stop on the roll cannot be equal to 4 or more. It was proved that destruction of isotropic materials occurs along the plane of action of maximum tangential stresses. Anisotropic materials are destroyed, depending on size of clearance between a roll and a jaw, both on the plane of action of the maximum tangential stresses and on the planes of least resistance.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>одновалковая дробилка</kwd><kwd>кусок</kwd><kwd>валок</kwd><kwd>упор</kwd><kwd>щека</kwd><kwd>степень дробления</kwd><kwd>зазор</kwd><kwd>фракция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>single-roll crusher</kwd><kwd>piece</kwd><kwd>roll</kwd><kwd>stop</kwd><kwd>jaw</kwd><kwd>crushing degree</kwd><kwd>clearance</kwd><kwd>fraction</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">Jack de la Vergne. Hard Rock Miner’s Handbook. Stantec Consulting. – Edmonton, Alberta, Canada: Stantec Consulting, 2008. – 330 р.</mixed-citation><mixed-citation xml:lang="en">Jack de la Vergne. Hard Rock Miner’s Handbook. Edmonton, Alberta, Canada: Stantec Consulting, 2008, 330 р.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Egbe E.A.P., Olugboji O.A. Design, fabrication and testing of a double roll crusher // Int. Journal of Engineering Trends and Technology (IJETT). 2016. Vol. 35. No. 11. P. 511 – 515.</mixed-citation><mixed-citation xml:lang="en">Egbe E.A.P., Olugboji O.A. Design, fabrication and testing of a double roll crusher. Int. Journal of Engineering Trends and Technology (IJETT). 2016, vol. 35, no. 11, pp. 511–515.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Никитин А.Г., Сахаров Д.Ф. Экспериментальное исследование дробления хрупких материалов в одновалковой дробилке // Изв. вуз. Черная металлургия. 2011. № 6. С. 52.</mixed-citation><mixed-citation xml:lang="en">Nikitin A.G., Sakharov D.F. Experimental study of brittle materials breaking in a single-roll crusher. Izvestiya. Ferrous Metallurgy. 2011, no. 6, pp. 53. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Austin L.G., Van Orden D., McWilliams B., Perez J.W., Shoji K. Breakage parameters of some materials in smooth roll crushers // Powder Technology. 1981. Vol. 28. No. 2. P. 245 – 251.</mixed-citation><mixed-citation xml:lang="en">Austin L.G., Van Orden D., McWilliams B., Perez J.W., Shoji K. Breakage parameters of some materials in smooth roll crushers. Powder Technology. 1981, vol. 28, no. 2, pp. 245–251.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Zhao L.L., Zang F., Wang Z.B. Design and motion simulation for differential and grading toothed roll crusher // Coal Mine Machinery. 2007. Vol. 28. No. 6. P. 19 – 21.</mixed-citation><mixed-citation xml:lang="en">Zhao L.L., Zang F., Wang Z.B. Design and motion simulation for differential and grading toothed roll crusher. Coal Mine Machinery. 2007, vol. 28, no. 6, pp. 19–21.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Zhao L.L., Wang Z.B., Zang F., Multi-object optimization design for differential and grading toothed roll crusher using a genetic algorithm // Journal of China University of Mining and Technology. 2008. Vol. 18. No. 2. P. 316 – 320.</mixed-citation><mixed-citation xml:lang="en">Zhao L.L., Wang Z.B., Zang F. Multi-object optimization design for differential and grading toothed roll crusher using a genetic algorithm. Journal of China University of Mining and Technology. 2008, vol. 18, no. 2, pp. 316–320.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Sajjan Kumar Soni, Satish Chandra Shukla, Gautam Kundu. Modeling of particle breakage in a smooth double roll crusher // Int. Journal of Mineral Processing. 2009. Vol. 90. No. 1-4. P. 97 – 100.</mixed-citation><mixed-citation xml:lang="en">Sajjan Kumar Soni, Satish Chandra Shukla, Gautam Kundu. Modeling of particle breakage in a smooth double roll crusher. Int. Journal of Mineral Processing. 2009, vol. 90, no. 1-4, pp. 97–100.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Болтенгаден И.Л., Власов В.Н., Клишин В.И. Расчет параметров валкового пресса для дробления кимберлитовой руды // Физико-технические проблемы разработки полезных ископаемых. 2003. № 3. С. 61 – 72.</mixed-citation><mixed-citation xml:lang="en">Boltengagen I.L., Vlasov V.N., Klishin V.I. Calculation of rollerpress parameters for kimberlite ore crushing. Journal of Mining Science. 2003, vol. 39, no. 3, pp. 260–270.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Cotabarren I., Schulz P.G., Bucalá V., Piña J. Modeling of an industrial double-roll crusher of a urea granulation circuit // Powder Technology. 2008. Vol. 183. No. 2. P. 224 – 230.</mixed-citation><mixed-citation xml:lang="en">Cotabarren I., Schulz P.G., Bucalá V., Piña J. Modeling of an industrial double-roll crusher of a urea granulation circuit. Powder Technology. 2008, vol. 183, no. 2, pp. 224–230.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Velletri P., Weedon D.M. Comminution in a non-cylindrical roll crusher // Minerals Engineering. 2001. Vol. 14. No. 11. P. 1459 – 1468.</mixed-citation><mixed-citation xml:lang="en">Velletri P., Weedon D.M. Comminution in a non-cylindrical roll crusher. Minerals Engineering. 2001, vol. 14, no. 11, pp. 1459–1468.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Morrell S. Predicting the specific energy required for size reduction of relatively coarse feeds in conventional crushers and high pressure grinding rolls // Minerals Engineering. 2010. Vol. 23. No. 2. P. 151 – 153.</mixed-citation><mixed-citation xml:lang="en">Morrell S. Predicting the specific energy required for size reduction of relatively coarse feeds in conventional crushers and high pressure grinding rolls. Minerals Engineering. 2010, vol. 23, no. 2, pp. 151–153.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Shirong Zhang, Wei Mao. Optimal operation of coal conveying systems assembled with crushers using model predictive control methodology // Applied Energy. 2017. Vol. 198. P. 65 – 76.</mixed-citation><mixed-citation xml:lang="en">Shirong Zhang, Wei Mao. Optimal operation of coal conveying systems assembled with crushers using model predictive control methodology. Applied Energy. 2017, vol. 198, pp. 65–76.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Schaefer H.U. Loesche vertical roller mills for the comminution of ores and minerals // Minerals Engineering. 2001. Vol. 14. No. 10. P. 1155 – 1160.</mixed-citation><mixed-citation xml:lang="en">Schaefer H.U. Loesche vertical roller mills for the comminution of ores and minerals. Minerals Engineering. 2001, vol. 14, no. 10, pp. 1155–1160.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Lieberwirth H., Hillmann Ph., Hesse M. Dynamics in double roll crushers // Minerals Engineering. 2017. Vol. 103-104. P. 60 – 66.</mixed-citation><mixed-citation xml:lang="en">Lieberwirth H., Hillmann Ph., Hesse M. Dynamics in double roll crushers. Minerals Engineering. 2017, vol. 103-104, pp. 60–66.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Клушанцев Б.В., Косарев А.И., Муйземнек Ю.А. Дробилки. – М.: Машиностроение, 1990. – 320 с.</mixed-citation><mixed-citation xml:lang="en">Klushantsev B.V., Kosarev A.I., Muizemnek Yu.A. Drobilki [Crushers]. Moscow: Mashinostroenie, 1990, 320 p. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Масленников В.А. Дробилки, разрушающие материал сжатием // Изв. вуз. Горный журнал. 1996. № 10-11. С. 124 – 138.</mixed-citation><mixed-citation xml:lang="en">Maslennikov V.A. Compressive crushers. Izv. vuz. Gornyi zhurnal. 1996, no. 10-11, pp. 124–138. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Клушанцев Б.В. Валκовые дробилки. Их параметры и метод расчета мощности // Строительные и дорожные машины. 1982. № 8. С. 23 – 24.</mixed-citation><mixed-citation xml:lang="en">Klushantsev B.V. Roll crushers. Their parameters and power calculation method. Stroitel’nye i dorozhnye mashiny. 1982, no. 8, pp. 23–24. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Пат. 2603923 РФ. Валковая дробилка / Никитин А.Г., Лактионов С.А., Баженов И.А., Медведева К.С.; заявл. 20.10.2015; опубл. 10.12.2016. Открытия. Изобретения. Бюл. № 34.</mixed-citation><mixed-citation xml:lang="en">Nikitin A.G., Laktionov S.A., Bazhenov I.A., Medvedeva K.S. Valkovaya drobilka [Roller crusher]. Patent RF no. 2603923. Byulleten’ izobretenii. 2016, no. 34. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Никитин А.Г., Сахаров Д.Ф. Анализ сил, действующих на кусок дробимого материала в одновалковой дробилке. // Изв. вуз. Черная металлургия. 2010. № 10. С. 41 – 42.</mixed-citation><mixed-citation xml:lang="en">Nikitin A.G., Sakharov D.F. Analysis of forces acting on material piece at breaking in single-roll crusher. Izvestiya. Ferrous Metallurgy. 2010, no. 10, pp. 41–42. (In Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Никитин А.Г., Епифанцев Ю.А., Медведева К.С., Герике П.Б. Силовой анализ процесса разрушения хрупких материалов в одновалковой дробильной машине с упором на валке // Изв. вуз. Черная металлургия. 2019. Т. 62. № 4. С. 303 – 307.</mixed-citation><mixed-citation xml:lang="en">Nikitin A.G., Epifantsev Yu.A., Medvedeva K.S., Gerike P.B. Power analysis of the process of brittle materials destruction in univer sal crushing machine with roll locke. Izvestiya. Ferrous Metallurgy. 2019, vol. 62, no. 4, pp. 303–307. (In Russ.).</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
