Evaluation of Classification Possibility of Coke Breeze by Drag Force
Sintered ore used as blast furnace burden materials is produced by mixing iron ore, coke, and limestone, then burning the coke and sintering the iron ore with the combustion heat. Among the coke charged, A particle size of 0.25 mm or less has an insignificant effect as a heat source and adhere to th...
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| Format: | Article |
| Language: | English |
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Polish Academy of Sciences
2024-04-01
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| Series: | Archives of Metallurgy and Materials |
| Subjects: | |
| Online Access: | https://journals.pan.pl/Content/130932/PDF/AMM-2024-1-30-Jeong-Whan%20Han.pdf |
| _version_ | 1797211770153074688 |
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| author | Ji-A Lee Bong-Min Jin Jeong-Whan Han |
| author_facet | Ji-A Lee Bong-Min Jin Jeong-Whan Han |
| author_sort | Ji-A Lee |
| collection | DOAJ |
| description | Sintered ore used as blast furnace burden materials is produced by mixing iron ore, coke, and limestone, then burning the coke and sintering the iron ore with the combustion heat. Among the coke charged, A particle size of 0.25 mm or less has an insignificant effect as a heat source and adhere to the surface of other materials to inhibit the reaction between oxygen and raw materials, thereby decreasing the quality of sintered ore. Therefore, to increase combustion efficiency, it is necessary to reduce the ratio of coke breeze in the charged coke. In this study, theoretical calculation, experiment and simulation were conducted to investigate the possibility of size classification by drag force in the process of dropping coke after being transported through a belt conveyor. The height of belt conveyor was at 1m, and velocity of the belt was 1.5, 2.3, and 2.6 m/s, which were considered as experimental variables. After falling, the distribution of coke particle size according to the horizontal travel distance was confirmed, and a fall trajectory prediction formula model was created through the drag model of polydisperse system and compared with the experimental and analysis results. |
| first_indexed | 2024-04-24T10:31:46Z |
| format | Article |
| id | doaj.art-d901887b26f848a6b5a298fcd1581890 |
| institution | Directory Open Access Journal |
| issn | 2300-1909 |
| language | English |
| last_indexed | 2024-04-24T10:31:46Z |
| publishDate | 2024-04-01 |
| publisher | Polish Academy of Sciences |
| record_format | Article |
| series | Archives of Metallurgy and Materials |
| spelling | doaj.art-d901887b26f848a6b5a298fcd15818902024-04-12T15:34:22ZengPolish Academy of SciencesArchives of Metallurgy and Materials2300-19092024-04-01vol. 69No 1151156https://doi.org/10.24425/amm.2024.147804Evaluation of Classification Possibility of Coke Breeze by Drag ForceJi-A Lee0https://orcid.org/0009-0004-0977-1474Bong-Min Jin1https://orcid.org/0009-0008-8905-7746Jeong-Whan Han2https://orcid.org/0009-0008-5756-9376Inha University, Department of Materials Science and Engineering, 100 Inha-ro, Michuhol-gu, Incheon 22212, Republic of KoreaInha University, Department of Materials Science and Engineering, 100 Inha-ro, Michuhol-gu, Incheon 22212, Republic of KoreaInha University, Department of Materials Science and Engineering, 100 Inha-ro, Michuhol-gu, Incheon 22212, Republic of KoreaSintered ore used as blast furnace burden materials is produced by mixing iron ore, coke, and limestone, then burning the coke and sintering the iron ore with the combustion heat. Among the coke charged, A particle size of 0.25 mm or less has an insignificant effect as a heat source and adhere to the surface of other materials to inhibit the reaction between oxygen and raw materials, thereby decreasing the quality of sintered ore. Therefore, to increase combustion efficiency, it is necessary to reduce the ratio of coke breeze in the charged coke. In this study, theoretical calculation, experiment and simulation were conducted to investigate the possibility of size classification by drag force in the process of dropping coke after being transported through a belt conveyor. The height of belt conveyor was at 1m, and velocity of the belt was 1.5, 2.3, and 2.6 m/s, which were considered as experimental variables. After falling, the distribution of coke particle size according to the horizontal travel distance was confirmed, and a fall trajectory prediction formula model was created through the drag model of polydisperse system and compared with the experimental and analysis results.https://journals.pan.pl/Content/130932/PDF/AMM-2024-1-30-Jeong-Whan%20Han.pdfpowder processingsintering processcoke breezenumerical simulationdrag model |
| spellingShingle | Ji-A Lee Bong-Min Jin Jeong-Whan Han Evaluation of Classification Possibility of Coke Breeze by Drag Force Archives of Metallurgy and Materials powder processing sintering process coke breeze numerical simulation drag model |
| title | Evaluation of Classification Possibility of Coke Breeze by Drag Force |
| title_full | Evaluation of Classification Possibility of Coke Breeze by Drag Force |
| title_fullStr | Evaluation of Classification Possibility of Coke Breeze by Drag Force |
| title_full_unstemmed | Evaluation of Classification Possibility of Coke Breeze by Drag Force |
| title_short | Evaluation of Classification Possibility of Coke Breeze by Drag Force |
| title_sort | evaluation of classification possibility of coke breeze by drag force |
| topic | powder processing sintering process coke breeze numerical simulation drag model |
| url | https://journals.pan.pl/Content/130932/PDF/AMM-2024-1-30-Jeong-Whan%20Han.pdf |
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