{"id":1399,"date":"2020-12-09T12:03:49","date_gmt":"2020-12-09T10:03:49","guid":{"rendered":"https:\/\/jrn.isi.gov.ua\/?page_id=1399"},"modified":"2023-08-10T21:42:15","modified_gmt":"2023-08-10T18:42:15","slug":"1399-2","status":"publish","type":"page","link":"https:\/\/jrn.isi.gov.ua\/?page_id=1399&lang=en","title":{"rendered":"DOI: 10.52150\/2522-9117-2018-32-93-106"},"content":{"rendered":"

\"\"<\/a><\/strong><\/p>\n

Chaika Alexey Leonidovich,<\/strong> PhD, Senior Researcher, Head of Department, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; e-mail: chayka777@list.ru
\nChernyatevych Anatoliy Hryhorovych,<\/strong> Dr. Sci, professor, Head of Department, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; e-mail: agchern@ua.fm; ORCID 0000-0002-4552-4997
\nSokhatsky Alexander Anatolievich,<\/strong> PhD (Engin.), Researcher, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academic square Starodubova, 1, Dnipro, Ukraine, 49107
\nMoskalina Andrey Alexandrovich,<\/strong> Researcher, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; e-mail: andreimp250@inbox.ru
\nGolub Tetyana Sergeevna,<\/strong> PhD (Engin.), Senior Researcher, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; e-mail: dove@email.ua, ORCID 0000-0001-9269-2953
\nMolchanov Lavr Sergeevich,<\/strong> PhD (Engin.), Senior Research Scientist, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; ORCID 0000-0001-6139-5956<\/p>\n

Investigation of the effect of silicon content in iron and its temperature <\/strong>on exergy indicators of the blast furnace-converter system<\/strong><\/h3>\n

Abstract.<\/strong> The aim of the work is to study the energy intensity of metal products in the “blast furnace – oxygen converter” system during the development of pulverized coal (PCF) in the blast furnace production. One of the parameters characterizing the thermodynamic indicators of blast-furnace smelting is the silicon content in liquid iron. A study was made of the effect of silicon content in iron and its temperature on the performance and thermodynamic indicators of steel production in the blast furnace \u2013 oxygen converter shop chain during the development of pulverized coal in the blast furnace. The calculated minimum and maximum values of changes in productivity and consumption of coke, and exergy indicators with a change in the silicon content in the iron. It is established that a decrease in the silicon content and the temperature of iron in a blast furnace can reduce the loss of exergy, increase the exergy efficiency, maintain a constant level or improve environmental performance. However, reducing the temperature of the iron can lead to significant disturbances in the operation of the blast furnace. It is shown that silicon content in cast iron has the greatest impact in the blast furnace oxygen shop technological system, a decrease of which contributes to an increase in exergy efficiency, a decrease in exergy losses and an improvement in environmental indicators. The temperature of the cast iron on the exergy and environmental indicators in the “blast furnace – oxygen converter shop” system has a minor effect, however, a decrease in the temperature of the iron can lead to significant disturbances in the operation of the “blast furnace – oxygen
\nconverter” complex.
\nKeywords:<\/strong> blast furnace, oxygen converter, PUT, silicon content in cast iron, cast iron temperature, exergy and environmental indicators.<\/p>\n

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Chaika Alexey Leonidovich, PhD, Senior Researcher, Head of Department, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova square, 1, Dnipro, Ukraine, 49107; e-mail: chayka777@list.ru Chernyatevych Anatoliy Hryhorovych, Dr. Sci, professor, Head of Department, Iron and Steel Institute named after Z.I. Nekrasov of the NAS of Ukraine, Academican Starodubova […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1399","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/jrn.isi.gov.ua\/index.php?rest_route=\/wp\/v2\/pages\/1399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jrn.isi.gov.ua\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/jrn.isi.gov.ua\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/jrn.isi.gov.ua\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jrn.isi.gov.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1399"}],"version-history":[{"count":6,"href":"https:\/\/jrn.isi.gov.ua\/index.php?rest_route=\/wp\/v2\/pages\/1399\/revisions"}],"predecessor-version":[{"id":3835,"href":"https:\/\/jrn.isi.gov.ua\/index.php?rest_route=\/wp\/v2\/pages\/1399\/revisions\/3835"}],"wp:attachment":[{"href":"https:\/\/jrn.isi.gov.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}