Change of the Chemical and Mineralogical Composition of the Slag during Oxygen Blowing in the Oxygen Converter Process
The article presents the results of the investigation of changes in the chemical and mineralogical composition of slag during steel production in a blown oxygen converter. This process was monitored using the slag samples that were collected during the period when oxygen blowing into an oxygen conve...
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| Format: | Article |
| Language: | English |
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MDPI AG
2018-10-01
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| Series: | Metals |
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| Online Access: | http://www.mdpi.com/2075-4701/8/10/844 |
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| author | Dana Baricová Alena Pribulová Peter Futáš Branislav Buľko Peter Demeter |
| author_facet | Dana Baricová Alena Pribulová Peter Futáš Branislav Buľko Peter Demeter |
| author_sort | Dana Baricová |
| collection | DOAJ |
| description | The article presents the results of the investigation of changes in the chemical and mineralogical composition of slag during steel production in a blown oxygen converter. This process was monitored using the slag samples that were collected during the period when oxygen blowing into an oxygen converter was interrupted. The slag samples were collected after 150 s (2.5 min), then after 5, 8, 11, and 24 min of oxygen blowing, and in minute 27 when oxygen blowing was terminated. The sampling was carried out within five consecutive melting processes. The article presents and documents the changes in the contents of CaO, CaO (free), Fe (total), FeO, SiO2, and in the basicity of the slag during oxygen blowing. It also provides the characteristics of individual structural components formed during oxygen blowing and a detailed description of the lime assimilation process, including the formation of the final structure of the slag, consisting of dicalcium silicate (2CaO·SiO2), tricalcium silicate (3CaO·SiO2), RO-phase, and calcium ferrites (2CaO·Fe2O3). The results of the investigation of the changes in the chemical composition of the slag during oxygen blowing in an oxygen converter were compared with the changes in the structural composition of the slag. |
| first_indexed | 2024-12-14T18:17:22Z |
| format | Article |
| id | doaj.art-5476e5402f1d49d1bc54baac77a9000f |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-12-14T18:17:22Z |
| publishDate | 2018-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-5476e5402f1d49d1bc54baac77a9000f2022-12-21T22:52:09ZengMDPI AGMetals2075-47012018-10-0181084410.3390/met8100844met8100844Change of the Chemical and Mineralogical Composition of the Slag during Oxygen Blowing in the Oxygen Converter ProcessDana Baricová0Alena Pribulová1Peter Futáš2Branislav Buľko3Peter Demeter4Technical University of Kosice, Faculty of Materials, Metallurgy and Recycling, Institute of Metallurgy, Park Komenskeho 14, 04001 Kosice, SlovakTechnical University of Kosice, Faculty of Materials, Metallurgy and Recycling, Institute of Metallurgy, Park Komenskeho 14, 04001 Kosice, SlovakTechnical University of Kosice, Faculty of Materials, Metallurgy and Recycling, Institute of Metallurgy, Park Komenskeho 14, 04001 Kosice, SlovakTechnical University of Kosice, Faculty of Materials, Metallurgy and Recycling, Institute of Metallurgy, Park Komenskeho 14, 04001 Kosice, SlovakTechnical University of Kosice, Faculty of Materials, Metallurgy and Recycling, Institute of Metallurgy, Park Komenskeho 14, 04001 Kosice, SlovakThe article presents the results of the investigation of changes in the chemical and mineralogical composition of slag during steel production in a blown oxygen converter. This process was monitored using the slag samples that were collected during the period when oxygen blowing into an oxygen converter was interrupted. The slag samples were collected after 150 s (2.5 min), then after 5, 8, 11, and 24 min of oxygen blowing, and in minute 27 when oxygen blowing was terminated. The sampling was carried out within five consecutive melting processes. The article presents and documents the changes in the contents of CaO, CaO (free), Fe (total), FeO, SiO2, and in the basicity of the slag during oxygen blowing. It also provides the characteristics of individual structural components formed during oxygen blowing and a detailed description of the lime assimilation process, including the formation of the final structure of the slag, consisting of dicalcium silicate (2CaO·SiO2), tricalcium silicate (3CaO·SiO2), RO-phase, and calcium ferrites (2CaO·Fe2O3). The results of the investigation of the changes in the chemical composition of the slag during oxygen blowing in an oxygen converter were compared with the changes in the structural composition of the slag.http://www.mdpi.com/2075-4701/8/10/844oxygen converter slagchemical composition of slagstructural composition of slag |
| spellingShingle | Dana Baricová Alena Pribulová Peter Futáš Branislav Buľko Peter Demeter Change of the Chemical and Mineralogical Composition of the Slag during Oxygen Blowing in the Oxygen Converter Process Metals oxygen converter slag chemical composition of slag structural composition of slag |
| title | Change of the Chemical and Mineralogical Composition of the Slag during Oxygen Blowing in the Oxygen Converter Process |
| title_full | Change of the Chemical and Mineralogical Composition of the Slag during Oxygen Blowing in the Oxygen Converter Process |
| title_fullStr | Change of the Chemical and Mineralogical Composition of the Slag during Oxygen Blowing in the Oxygen Converter Process |
| title_full_unstemmed | Change of the Chemical and Mineralogical Composition of the Slag during Oxygen Blowing in the Oxygen Converter Process |
| title_short | Change of the Chemical and Mineralogical Composition of the Slag during Oxygen Blowing in the Oxygen Converter Process |
| title_sort | change of the chemical and mineralogical composition of the slag during oxygen blowing in the oxygen converter process |
| topic | oxygen converter slag chemical composition of slag structural composition of slag |
| url | http://www.mdpi.com/2075-4701/8/10/844 |
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