Numerical simulation of flow characteristics of side-bottom combined blowing in iron bath reactor
Abstract A numerical model of an iron bath smelting reduction furnace with side-bottom combined blowing was established to study the influence of blowing arrangements on the stirring effect of the molten pool, and the accuracy of numerical simulation was verified by water model experiment. By compar...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
He, Yi-bo [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Schlagwörter: |
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| Anmerkung: |
© China Iron and Steel Research Institute Group 2022 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of iron and steel research, international - [Singapore] : Springer Singapore, 1994, 30(2022), 2 vom: 06. Aug., Seite 236-248 |
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| Übergeordnetes Werk: |
volume:30 ; year:2022 ; number:2 ; day:06 ; month:08 ; pages:236-248 |
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| DOI / URN: |
10.1007/s42243-022-00812-5 |
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| Katalog-ID: |
SPR049389750 |
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| 520 | |a Abstract A numerical model of an iron bath smelting reduction furnace with side-bottom combined blowing was established to study the influence of blowing arrangements on the stirring effect of the molten pool, and the accuracy of numerical simulation was verified by water model experiment. By comparing the flow field of molten pool with single nozzle, double nozzles (symmetrical and asymmetrical), and four nozzles (symmetrical and asymmetrical), the proportion of dead zone, average turbulent kinetic energy, and mixing time, the results show that asymmetrical bottom blowing is better than symmetrical bottom blowing, and the effect of double nozzles bottom blowing was better than that of four nozzles bottom blowing. The mixing effect is the worst under the condition of single nozzle. When the bottom blowing is asymmetrical with double nozzles, the mixing time is the shortest. Under the condition of double nozzles asymmetrical bottom blowing, when the insertion angle and depth of side lance are larger and deeper, the velocity streamline of molten slag layer is denser and the value is larger; meanwhile, the reflux of molten iron layer is larger, the proportion of dead zone is smaller, and the whole molten pool is fully stirred. When the insertion depth of the side lance is deeper, the gas holdup in the molten pool is greater and the stirring of the molten pool is more intense, while the insertion angle has little effect on the gas holdup. By comparing the influence of different side blowing conditions on the slag layer, it is found that the slag layer is divided into two layers by double-layer side lance, with the critical surface of the slag layer at about 200–260 mm from the bottom, and the insertion depth of the lower side lance has a greater influence on the layering of the slag. | ||
| 650 | 4 | |a Iron bath smelting reduction |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Side-bottom combined blowing |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Numerical simulation |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Mixing time |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Slag layering |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Guo, Wen-ke |4 aut | |
| 700 | 1 | |a Li, Yi-hong |4 aut | |
| 700 | 1 | |a Liu, Guang-ming |4 aut | |
| 700 | 1 | |a Cui, Xin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Journal of iron and steel research, international |d [Singapore] : Springer Singapore, 1994 |g 30(2022), 2 vom: 06. Aug., Seite 236-248 |w (DE-627)513220046 |w (DE-600)2238831-X |x 2210-3988 |7 nnns |
| 773 | 1 | 8 | |g volume:30 |g year:2022 |g number:2 |g day:06 |g month:08 |g pages:236-248 |
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10.1007/s42243-022-00812-5 doi (DE-627)SPR049389750 (SPR)s42243-022-00812-5-e DE-627 ger DE-627 rakwb eng He, Yi-bo verfasserin (orcid)0000-0002-8164-4443 aut Numerical simulation of flow characteristics of side-bottom combined blowing in iron bath reactor 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © China Iron and Steel Research Institute Group 2022 Abstract A numerical model of an iron bath smelting reduction furnace with side-bottom combined blowing was established to study the influence of blowing arrangements on the stirring effect of the molten pool, and the accuracy of numerical simulation was verified by water model experiment. By comparing the flow field of molten pool with single nozzle, double nozzles (symmetrical and asymmetrical), and four nozzles (symmetrical and asymmetrical), the proportion of dead zone, average turbulent kinetic energy, and mixing time, the results show that asymmetrical bottom blowing is better than symmetrical bottom blowing, and the effect of double nozzles bottom blowing was better than that of four nozzles bottom blowing. The mixing effect is the worst under the condition of single nozzle. When the bottom blowing is asymmetrical with double nozzles, the mixing time is the shortest. Under the condition of double nozzles asymmetrical bottom blowing, when the insertion angle and depth of side lance are larger and deeper, the velocity streamline of molten slag layer is denser and the value is larger; meanwhile, the reflux of molten iron layer is larger, the proportion of dead zone is smaller, and the whole molten pool is fully stirred. When the insertion depth of the side lance is deeper, the gas holdup in the molten pool is greater and the stirring of the molten pool is more intense, while the insertion angle has little effect on the gas holdup. By comparing the influence of different side blowing conditions on the slag layer, it is found that the slag layer is divided into two layers by double-layer side lance, with the critical surface of the slag layer at about 200–260 mm from the bottom, and the insertion depth of the lower side lance has a greater influence on the layering of the slag. Iron bath smelting reduction (dpeaa)DE-He213 Side-bottom combined blowing (dpeaa)DE-He213 Numerical simulation (dpeaa)DE-He213 Mixing time (dpeaa)DE-He213 Slag layering (dpeaa)DE-He213 Guo, Wen-ke aut Li, Yi-hong aut Liu, Guang-ming aut Cui, Xin aut Enthalten in Journal of iron and steel research, international [Singapore] : Springer Singapore, 1994 30(2022), 2 vom: 06. Aug., Seite 236-248 (DE-627)513220046 (DE-600)2238831-X 2210-3988 nnns volume:30 year:2022 number:2 day:06 month:08 pages:236-248 https://dx.doi.org/10.1007/s42243-022-00812-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 30 2022 2 06 08 236-248 |
| spelling |
10.1007/s42243-022-00812-5 doi (DE-627)SPR049389750 (SPR)s42243-022-00812-5-e DE-627 ger DE-627 rakwb eng He, Yi-bo verfasserin (orcid)0000-0002-8164-4443 aut Numerical simulation of flow characteristics of side-bottom combined blowing in iron bath reactor 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © China Iron and Steel Research Institute Group 2022 Abstract A numerical model of an iron bath smelting reduction furnace with side-bottom combined blowing was established to study the influence of blowing arrangements on the stirring effect of the molten pool, and the accuracy of numerical simulation was verified by water model experiment. By comparing the flow field of molten pool with single nozzle, double nozzles (symmetrical and asymmetrical), and four nozzles (symmetrical and asymmetrical), the proportion of dead zone, average turbulent kinetic energy, and mixing time, the results show that asymmetrical bottom blowing is better than symmetrical bottom blowing, and the effect of double nozzles bottom blowing was better than that of four nozzles bottom blowing. The mixing effect is the worst under the condition of single nozzle. When the bottom blowing is asymmetrical with double nozzles, the mixing time is the shortest. Under the condition of double nozzles asymmetrical bottom blowing, when the insertion angle and depth of side lance are larger and deeper, the velocity streamline of molten slag layer is denser and the value is larger; meanwhile, the reflux of molten iron layer is larger, the proportion of dead zone is smaller, and the whole molten pool is fully stirred. When the insertion depth of the side lance is deeper, the gas holdup in the molten pool is greater and the stirring of the molten pool is more intense, while the insertion angle has little effect on the gas holdup. By comparing the influence of different side blowing conditions on the slag layer, it is found that the slag layer is divided into two layers by double-layer side lance, with the critical surface of the slag layer at about 200–260 mm from the bottom, and the insertion depth of the lower side lance has a greater influence on the layering of the slag. Iron bath smelting reduction (dpeaa)DE-He213 Side-bottom combined blowing (dpeaa)DE-He213 Numerical simulation (dpeaa)DE-He213 Mixing time (dpeaa)DE-He213 Slag layering (dpeaa)DE-He213 Guo, Wen-ke aut Li, Yi-hong aut Liu, Guang-ming aut Cui, Xin aut Enthalten in Journal of iron and steel research, international [Singapore] : Springer Singapore, 1994 30(2022), 2 vom: 06. Aug., Seite 236-248 (DE-627)513220046 (DE-600)2238831-X 2210-3988 nnns volume:30 year:2022 number:2 day:06 month:08 pages:236-248 https://dx.doi.org/10.1007/s42243-022-00812-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 30 2022 2 06 08 236-248 |
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10.1007/s42243-022-00812-5 doi (DE-627)SPR049389750 (SPR)s42243-022-00812-5-e DE-627 ger DE-627 rakwb eng He, Yi-bo verfasserin (orcid)0000-0002-8164-4443 aut Numerical simulation of flow characteristics of side-bottom combined blowing in iron bath reactor 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © China Iron and Steel Research Institute Group 2022 Abstract A numerical model of an iron bath smelting reduction furnace with side-bottom combined blowing was established to study the influence of blowing arrangements on the stirring effect of the molten pool, and the accuracy of numerical simulation was verified by water model experiment. By comparing the flow field of molten pool with single nozzle, double nozzles (symmetrical and asymmetrical), and four nozzles (symmetrical and asymmetrical), the proportion of dead zone, average turbulent kinetic energy, and mixing time, the results show that asymmetrical bottom blowing is better than symmetrical bottom blowing, and the effect of double nozzles bottom blowing was better than that of four nozzles bottom blowing. The mixing effect is the worst under the condition of single nozzle. When the bottom blowing is asymmetrical with double nozzles, the mixing time is the shortest. Under the condition of double nozzles asymmetrical bottom blowing, when the insertion angle and depth of side lance are larger and deeper, the velocity streamline of molten slag layer is denser and the value is larger; meanwhile, the reflux of molten iron layer is larger, the proportion of dead zone is smaller, and the whole molten pool is fully stirred. When the insertion depth of the side lance is deeper, the gas holdup in the molten pool is greater and the stirring of the molten pool is more intense, while the insertion angle has little effect on the gas holdup. By comparing the influence of different side blowing conditions on the slag layer, it is found that the slag layer is divided into two layers by double-layer side lance, with the critical surface of the slag layer at about 200–260 mm from the bottom, and the insertion depth of the lower side lance has a greater influence on the layering of the slag. Iron bath smelting reduction (dpeaa)DE-He213 Side-bottom combined blowing (dpeaa)DE-He213 Numerical simulation (dpeaa)DE-He213 Mixing time (dpeaa)DE-He213 Slag layering (dpeaa)DE-He213 Guo, Wen-ke aut Li, Yi-hong aut Liu, Guang-ming aut Cui, Xin aut Enthalten in Journal of iron and steel research, international [Singapore] : Springer Singapore, 1994 30(2022), 2 vom: 06. Aug., Seite 236-248 (DE-627)513220046 (DE-600)2238831-X 2210-3988 nnns volume:30 year:2022 number:2 day:06 month:08 pages:236-248 https://dx.doi.org/10.1007/s42243-022-00812-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 30 2022 2 06 08 236-248 |
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10.1007/s42243-022-00812-5 doi (DE-627)SPR049389750 (SPR)s42243-022-00812-5-e DE-627 ger DE-627 rakwb eng He, Yi-bo verfasserin (orcid)0000-0002-8164-4443 aut Numerical simulation of flow characteristics of side-bottom combined blowing in iron bath reactor 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © China Iron and Steel Research Institute Group 2022 Abstract A numerical model of an iron bath smelting reduction furnace with side-bottom combined blowing was established to study the influence of blowing arrangements on the stirring effect of the molten pool, and the accuracy of numerical simulation was verified by water model experiment. By comparing the flow field of molten pool with single nozzle, double nozzles (symmetrical and asymmetrical), and four nozzles (symmetrical and asymmetrical), the proportion of dead zone, average turbulent kinetic energy, and mixing time, the results show that asymmetrical bottom blowing is better than symmetrical bottom blowing, and the effect of double nozzles bottom blowing was better than that of four nozzles bottom blowing. The mixing effect is the worst under the condition of single nozzle. When the bottom blowing is asymmetrical with double nozzles, the mixing time is the shortest. Under the condition of double nozzles asymmetrical bottom blowing, when the insertion angle and depth of side lance are larger and deeper, the velocity streamline of molten slag layer is denser and the value is larger; meanwhile, the reflux of molten iron layer is larger, the proportion of dead zone is smaller, and the whole molten pool is fully stirred. When the insertion depth of the side lance is deeper, the gas holdup in the molten pool is greater and the stirring of the molten pool is more intense, while the insertion angle has little effect on the gas holdup. By comparing the influence of different side blowing conditions on the slag layer, it is found that the slag layer is divided into two layers by double-layer side lance, with the critical surface of the slag layer at about 200–260 mm from the bottom, and the insertion depth of the lower side lance has a greater influence on the layering of the slag. Iron bath smelting reduction (dpeaa)DE-He213 Side-bottom combined blowing (dpeaa)DE-He213 Numerical simulation (dpeaa)DE-He213 Mixing time (dpeaa)DE-He213 Slag layering (dpeaa)DE-He213 Guo, Wen-ke aut Li, Yi-hong aut Liu, Guang-ming aut Cui, Xin aut Enthalten in Journal of iron and steel research, international [Singapore] : Springer Singapore, 1994 30(2022), 2 vom: 06. Aug., Seite 236-248 (DE-627)513220046 (DE-600)2238831-X 2210-3988 nnns volume:30 year:2022 number:2 day:06 month:08 pages:236-248 https://dx.doi.org/10.1007/s42243-022-00812-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 30 2022 2 06 08 236-248 |
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10.1007/s42243-022-00812-5 doi (DE-627)SPR049389750 (SPR)s42243-022-00812-5-e DE-627 ger DE-627 rakwb eng He, Yi-bo verfasserin (orcid)0000-0002-8164-4443 aut Numerical simulation of flow characteristics of side-bottom combined blowing in iron bath reactor 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © China Iron and Steel Research Institute Group 2022 Abstract A numerical model of an iron bath smelting reduction furnace with side-bottom combined blowing was established to study the influence of blowing arrangements on the stirring effect of the molten pool, and the accuracy of numerical simulation was verified by water model experiment. By comparing the flow field of molten pool with single nozzle, double nozzles (symmetrical and asymmetrical), and four nozzles (symmetrical and asymmetrical), the proportion of dead zone, average turbulent kinetic energy, and mixing time, the results show that asymmetrical bottom blowing is better than symmetrical bottom blowing, and the effect of double nozzles bottom blowing was better than that of four nozzles bottom blowing. The mixing effect is the worst under the condition of single nozzle. When the bottom blowing is asymmetrical with double nozzles, the mixing time is the shortest. Under the condition of double nozzles asymmetrical bottom blowing, when the insertion angle and depth of side lance are larger and deeper, the velocity streamline of molten slag layer is denser and the value is larger; meanwhile, the reflux of molten iron layer is larger, the proportion of dead zone is smaller, and the whole molten pool is fully stirred. When the insertion depth of the side lance is deeper, the gas holdup in the molten pool is greater and the stirring of the molten pool is more intense, while the insertion angle has little effect on the gas holdup. By comparing the influence of different side blowing conditions on the slag layer, it is found that the slag layer is divided into two layers by double-layer side lance, with the critical surface of the slag layer at about 200–260 mm from the bottom, and the insertion depth of the lower side lance has a greater influence on the layering of the slag. Iron bath smelting reduction (dpeaa)DE-He213 Side-bottom combined blowing (dpeaa)DE-He213 Numerical simulation (dpeaa)DE-He213 Mixing time (dpeaa)DE-He213 Slag layering (dpeaa)DE-He213 Guo, Wen-ke aut Li, Yi-hong aut Liu, Guang-ming aut Cui, Xin aut Enthalten in Journal of iron and steel research, international [Singapore] : Springer Singapore, 1994 30(2022), 2 vom: 06. Aug., Seite 236-248 (DE-627)513220046 (DE-600)2238831-X 2210-3988 nnns volume:30 year:2022 number:2 day:06 month:08 pages:236-248 https://dx.doi.org/10.1007/s42243-022-00812-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 30 2022 2 06 08 236-248 |
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Enthalten in Journal of iron and steel research, international 30(2022), 2 vom: 06. Aug., Seite 236-248 volume:30 year:2022 number:2 day:06 month:08 pages:236-248 |
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He, Yi-bo @@aut@@ Guo, Wen-ke @@aut@@ Li, Yi-hong @@aut@@ Liu, Guang-ming @@aut@@ Cui, Xin @@aut@@ |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR049389750</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230510063645.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230222s2022 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s42243-022-00812-5</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR049389750</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s42243-022-00812-5-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">He, Yi-bo</subfield><subfield code="e">verfasserin</subfield><subfield code="0">(orcid)0000-0002-8164-4443</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Numerical simulation of flow characteristics of side-bottom combined blowing in iron bath reactor</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2022</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© China Iron and Steel Research Institute Group 2022</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract A numerical model of an iron bath smelting reduction furnace with side-bottom combined blowing was established to study the influence of blowing arrangements on the stirring effect of the molten pool, and the accuracy of numerical simulation was verified by water model experiment. By comparing the flow field of molten pool with single nozzle, double nozzles (symmetrical and asymmetrical), and four nozzles (symmetrical and asymmetrical), the proportion of dead zone, average turbulent kinetic energy, and mixing time, the results show that asymmetrical bottom blowing is better than symmetrical bottom blowing, and the effect of double nozzles bottom blowing was better than that of four nozzles bottom blowing. The mixing effect is the worst under the condition of single nozzle. When the bottom blowing is asymmetrical with double nozzles, the mixing time is the shortest. Under the condition of double nozzles asymmetrical bottom blowing, when the insertion angle and depth of side lance are larger and deeper, the velocity streamline of molten slag layer is denser and the value is larger; meanwhile, the reflux of molten iron layer is larger, the proportion of dead zone is smaller, and the whole molten pool is fully stirred. When the insertion depth of the side lance is deeper, the gas holdup in the molten pool is greater and the stirring of the molten pool is more intense, while the insertion angle has little effect on the gas holdup. By comparing the influence of different side blowing conditions on the slag layer, it is found that the slag layer is divided into two layers by double-layer side lance, with the critical surface of the slag layer at about 200–260 mm from the bottom, and the insertion depth of the lower side lance has a greater influence on the layering of the slag.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Iron bath smelting reduction</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Side-bottom combined blowing</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Numerical simulation</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Mixing time</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Slag layering</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Guo, Wen-ke</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Li, Yi-hong</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Liu, Guang-ming</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Cui, Xin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal of iron and steel research, international</subfield><subfield code="d">[Singapore] : Springer Singapore, 1994</subfield><subfield code="g">30(2022), 2 vom: 06. 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He, Yi-bo |
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He, Yi-bo misc Iron bath smelting reduction misc Side-bottom combined blowing misc Numerical simulation misc Mixing time misc Slag layering Numerical simulation of flow characteristics of side-bottom combined blowing in iron bath reactor |
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Numerical simulation of flow characteristics of side-bottom combined blowing in iron bath reactor Iron bath smelting reduction (dpeaa)DE-He213 Side-bottom combined blowing (dpeaa)DE-He213 Numerical simulation (dpeaa)DE-He213 Mixing time (dpeaa)DE-He213 Slag layering (dpeaa)DE-He213 |
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He, Yi-bo Guo, Wen-ke Li, Yi-hong Liu, Guang-ming Cui, Xin |
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Elektronische Aufsätze |
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He, Yi-bo |
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10.1007/s42243-022-00812-5 |
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(ORCID)0000-0002-8164-4443 |
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numerical simulation of flow characteristics of side-bottom combined blowing in iron bath reactor |
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Numerical simulation of flow characteristics of side-bottom combined blowing in iron bath reactor |
| abstract |
Abstract A numerical model of an iron bath smelting reduction furnace with side-bottom combined blowing was established to study the influence of blowing arrangements on the stirring effect of the molten pool, and the accuracy of numerical simulation was verified by water model experiment. By comparing the flow field of molten pool with single nozzle, double nozzles (symmetrical and asymmetrical), and four nozzles (symmetrical and asymmetrical), the proportion of dead zone, average turbulent kinetic energy, and mixing time, the results show that asymmetrical bottom blowing is better than symmetrical bottom blowing, and the effect of double nozzles bottom blowing was better than that of four nozzles bottom blowing. The mixing effect is the worst under the condition of single nozzle. When the bottom blowing is asymmetrical with double nozzles, the mixing time is the shortest. Under the condition of double nozzles asymmetrical bottom blowing, when the insertion angle and depth of side lance are larger and deeper, the velocity streamline of molten slag layer is denser and the value is larger; meanwhile, the reflux of molten iron layer is larger, the proportion of dead zone is smaller, and the whole molten pool is fully stirred. When the insertion depth of the side lance is deeper, the gas holdup in the molten pool is greater and the stirring of the molten pool is more intense, while the insertion angle has little effect on the gas holdup. By comparing the influence of different side blowing conditions on the slag layer, it is found that the slag layer is divided into two layers by double-layer side lance, with the critical surface of the slag layer at about 200–260 mm from the bottom, and the insertion depth of the lower side lance has a greater influence on the layering of the slag. © China Iron and Steel Research Institute Group 2022 |
| abstractGer |
Abstract A numerical model of an iron bath smelting reduction furnace with side-bottom combined blowing was established to study the influence of blowing arrangements on the stirring effect of the molten pool, and the accuracy of numerical simulation was verified by water model experiment. By comparing the flow field of molten pool with single nozzle, double nozzles (symmetrical and asymmetrical), and four nozzles (symmetrical and asymmetrical), the proportion of dead zone, average turbulent kinetic energy, and mixing time, the results show that asymmetrical bottom blowing is better than symmetrical bottom blowing, and the effect of double nozzles bottom blowing was better than that of four nozzles bottom blowing. The mixing effect is the worst under the condition of single nozzle. When the bottom blowing is asymmetrical with double nozzles, the mixing time is the shortest. Under the condition of double nozzles asymmetrical bottom blowing, when the insertion angle and depth of side lance are larger and deeper, the velocity streamline of molten slag layer is denser and the value is larger; meanwhile, the reflux of molten iron layer is larger, the proportion of dead zone is smaller, and the whole molten pool is fully stirred. When the insertion depth of the side lance is deeper, the gas holdup in the molten pool is greater and the stirring of the molten pool is more intense, while the insertion angle has little effect on the gas holdup. By comparing the influence of different side blowing conditions on the slag layer, it is found that the slag layer is divided into two layers by double-layer side lance, with the critical surface of the slag layer at about 200–260 mm from the bottom, and the insertion depth of the lower side lance has a greater influence on the layering of the slag. © China Iron and Steel Research Institute Group 2022 |
| abstract_unstemmed |
Abstract A numerical model of an iron bath smelting reduction furnace with side-bottom combined blowing was established to study the influence of blowing arrangements on the stirring effect of the molten pool, and the accuracy of numerical simulation was verified by water model experiment. By comparing the flow field of molten pool with single nozzle, double nozzles (symmetrical and asymmetrical), and four nozzles (symmetrical and asymmetrical), the proportion of dead zone, average turbulent kinetic energy, and mixing time, the results show that asymmetrical bottom blowing is better than symmetrical bottom blowing, and the effect of double nozzles bottom blowing was better than that of four nozzles bottom blowing. The mixing effect is the worst under the condition of single nozzle. When the bottom blowing is asymmetrical with double nozzles, the mixing time is the shortest. Under the condition of double nozzles asymmetrical bottom blowing, when the insertion angle and depth of side lance are larger and deeper, the velocity streamline of molten slag layer is denser and the value is larger; meanwhile, the reflux of molten iron layer is larger, the proportion of dead zone is smaller, and the whole molten pool is fully stirred. When the insertion depth of the side lance is deeper, the gas holdup in the molten pool is greater and the stirring of the molten pool is more intense, while the insertion angle has little effect on the gas holdup. By comparing the influence of different side blowing conditions on the slag layer, it is found that the slag layer is divided into two layers by double-layer side lance, with the critical surface of the slag layer at about 200–260 mm from the bottom, and the insertion depth of the lower side lance has a greater influence on the layering of the slag. © China Iron and Steel Research Institute Group 2022 |
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| score |
7.3974915 |