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Numerical Prediction on the Erosion of the Hearth Bottom and Trough in the Blast Furnace by CFD Technology
|關鍵字:||CFD;CFD;Blast furnace hearth;Trough;Marangoni effect;VOF;爐床;鐵水流道;Marangoni 效應;VOF||出版社:||化學工程學系所||引用:|| R. Bird, R. Armstrong, and O. Hassager, "Dynamic of Polymeric Liquids, " John Wiley & Sons, New York, 1977.  方富民, "流體力學," 中國圖書公司出版, 1996.  R. B. Bird, W. E. Stewart, and E. N. Lightfoot, "Transport Phenomena," Wiley, New York, 1976.  A. Parvareh, M. Rahimi, M. Yarmohammadi, and A. A. Alsairafi, "Experimental and CFD study on the effect of jet position on reactant dispersion performance," International Communication in Heat and Mass Transfer, vol. 36, pp. 1096-1102, 2009.  P. Naphon, S. Klangchart, and S. Wongwises, "Numerical investigation on the heat transfer and flow in the mini-fin heat sink for CPU," International Communication in Heat and Mass Transfer, vol. 36, pp. 834-840, 2009.  P. Naphon, "Effect of wavy plate geometry configurations on the temperature and flow distributions," International Communication in Heat and Mass Transfer, vol. 36, pp. 942-946, 2009.  M. M. Miller, G. A. Prinz, S. F. Cheng, and S. Bounnak, "Detection of a micron-sized magnetic sphere using a ring-shaped anisotropic magnetoresistance-based sensor: a model for a magnetoresistance-based biosensor," Applied Physics Letters vol. 81, pp. 2211-2213, 2002.  M. Nakamura, K. Decker, J. Chosy, K. Comella, K. Melnik, L. Moore, L. C. Lasky, M. Zborowski, and J. J. Chalmers, "Separation of a breast cancer cell line from human blood using a quadrupole magnetic flow Sorter," Biotechnology Progress, vol. 17, pp. 1145-1155, 2001.  B.Berkovsky, "Magnetic Fluids and Application Handbook," Begell House, 1996.  W. T. Cheng and H. W. Cheng, "Synthesis and characterization of cobalt nano-particles through microwave polyol process," AIChE Journal, vol. 55, pp. 1383-1389, 2009.  鄭惠文,"奈米鈷磁性流體製備研究," 國立中興大學化學工程研究所碩士論文,2005.  S. Sun, C. B. .Murray, D. Weller, L. Folks, and A. Moser, "Monodisperse FePt nanoparticles and ferromagnetic FePt nanocrystal superlattices," Science, vol. 287, pp. 1989-1992, 2000.  C. Y. Hong, I. J. Jang, and H. E. Horng, "Ordered structures in Fe3O4 kerosene-based ferrofluid," Journal of Applied Physics, vol. 81, pp. 4275-4277, 1997.  E.L.Macker, "A theoretical approach of the colloidal-chemical stability of dispersions in hydrocarbons," Journal of Colloid Science, vol. 6, pp. 492-495, 1952.  A.Guardo, M.Coussirat, F.Recasens, M.A.Larrayoz, and X.Escaler, "CFD study on particle-to-fluid heat transfer in fixed bed reactors: Convective heat transfer at low and high pressure," Chemical Engineering Science, vol. 61, pp. 4341-4353, 2006.  J. Koo and C. Kleinstreuer, "Laminar nanofluid flow in microheat-sink," International Journal of Heat and Mass Transfer, vol. 48, pp. 2652-2661, 2005.  J.Maxwell, "A Treatise on Electricity and Magneticism," Oxford University Press, Cambridge, UK, 1904.  Fluent 6.2 User''s Guide, Lebanon, 2005.  Fluent 6.2 UDF Manual, Lebanon, 2005.  C. M. Chang, W. T. Cheng, W. J. Liu, H. W. Cheng, C. N. Huang, and S. W. Du, "Thermal flow of fluid with magnetic particles in the presence of magnetic field," International Communication in Heat and Mass Transfer, vol. 37, pp. 801-808, 2010.  W. T. Cheng, H. C. Li, and C. N. Huang, "Simulation and optimization of silicon thermal CVD through CFD integrating Taguchi method," Chemical Engineering Journal, vol. 137, pp. 603-613, 2008.  C. H. Lin, W. T. Cheng, and J. H. Lee, "Effect of embedding a porous medium on the deposition rate in a vertical rotating MOCVD reactor based on CFD modeling," International Communication in Heat and Mass Transfer, vol. 36, pp. 680-685, 2009.  C. H. Lin, S. H. Hsu, C. N. Huang, W. T. Cheng, and J. M. Su, "A scaffold-bioreactor system for a tissue-engineered trachea," Biomaterials, vol. 30, pp. 4117-4126, 2009.  黃啟恩,"高爐爐下部流力與熱數值模擬," 國立中興大學化學工程研究所博士論文, 2008.  K. H. Peters, H. W. Gudenau, and G. Still, "Hot metal flow in a blast furnace hearth - model tests," Steel Research, vol. 56, pp. 547-552, 1985.  楊宗翰, "粉煤在高爐風徑區內之熱解特性," 輔英科技大學環境工程與科學系碩士論文, 2005.  K. Shibata, "Control of hot metal flow in blast furnace hearth," R&D Kobe Steel Engineering Report, vol. 4, 1991.  K. Shibata, Y. Kimura, M. Shimizu, and S.-i. Inaba, "Dynamics of dead-man coke and hot metal flow in a blast furnace hearth," ISIJ International, vol. 30, pp. 208-215, 1990.  W. Kowalski, "State of the art for prolonging blast furnace campaigns," REVUE DE Metallurgie-Cahiers D Informations Techniques, pp. 493-505, 2000.  O. Havelange, G. Danloy, and C. Franssen, "The deadman, floating or not," the 2002 ATS International Steelmaking Conference, Paris, pp. 195-201, 2002.  C. N. Huang, S. W. Du, and W. T. Cheng, "Numerical investigation on hot metal flow in blast furnace hearth through CFD," ISIJ Internaional, vol. 48, pp. 1182-1187, 2008.  R. Nicolle, J. M. Steiler, M. Helleisen, M. J. Venturini, M. Jusseau, M. V. Crayelinghe, B. Metz, and P. Duperray, "The internal state of the blast furnace hearth," The Sixth International Iron and Steel Congress, Nagoya, pp. 430-438, 1990.  A. Preuer, J. Winter, and H. Hiebler, "Computation of the iron flow in the hearth of a blast furnace," Steel Research, vol. 63, pp. 139-146, 1992.  A. Preuer, J. Winter, and H. Hiebler, "Computation of the erosion in the hearth of a blast furnace," Steel Research, vol. 63, pp. 147-151, 1992.  http://www.thepotteries.org/shelton/blast_furnace.  F. Yoshikawa and J. Szekely, "Mechanism of Blast Furnance Hearth Eroson," Ironmaking and Steelmaking, pp. 159-168, 1981.  http://www.key-to-steel.com/Articles/Art159.htm.  S. N. Silver, F. Vernilli, S. M. Justus, O. R. Marques, A. Mazine, J. B. Baldo, E. Longo, and J. A. Varela, "Wear Mechanism for Blast Furnace Hearth Refractory Lining," Ironmaking and Steelmaking, vol. 32, pp. 459-467, 2005.  J. R. Post, T. Peeters, Y. Yang, and M. A. Reuter, "Hot Metal Flow in the Blast Furnace Hearth : Thermal and Carbon Dissolution Effects on Buoyancy Flow and Refractory Wear," Third International Conference on CFD in the Minerals and Process Industries, CSIRO, Melbourne, Australia, pp.434-440, 2003.  R. McNally, F. Roulet, D. Kuster, J. Schoennahl, and D. Lucke, "Advance & advantages with ceramic cup technology," ALAFAR, Mexico, pp.16-18, 2000.  M. Kosaka and S. Minowa, "On the rate of dissolution of carbon into molten Fe-C alloy," in transactions ISIJ, vol. 8, 1968, pp. 392-400.  R. G. Olsson, V. Koump, and T. F. Perzak, "Rate of dissolution of carbon in molten Fe-C alloys," Transactions of the metallurgical society of aime, vol. 236, pp. 426-429, 1966.  A. Kasai, T. Murayama, and Y. Ono, "Measurement of effective thermal conductivity of coke," ISIJ International, vol. 33, pp. 697-702, 1993.  V. Panjkovic, J. S. Truelove, and P. Zulli, "Numerical modelling of iron flow and heat transfer in blast furnace hearth," Ironmaking and Steelmaking, vol. 29, pp. 390-400, 2002.  C. Q. Zhou, F. Yan, K. A. Patnala, and D. Roldan, "Numerical investigation of parametric effects on a blast furnace hearth," presented at AISTech 2004 Proceedings, 2004.  F. Yan and C. Q. Zhou, "3-D computational modeling of a blast furnace hearth," AISTech 2004 Proceedings, pp.249-260, 2004.  S. K. Dash, D. N. Jha, S. K. Ajmani, and A. Upadhyaya, "Optimisation of taphole angle to minimise flow induced wall shear stress on the hearth," Ironmaking and Steelmaking, vol. 31, pp. 207-215, 2004.  S. K. Dash, S. K. Ajmani, A. Kumar, and H. S. Sandhu, "Optimum taphole length and flow induced stresses," Ironmaking and Steelmaking, vol. 28, pp. 110-116, 2001.  S. K. Dash, S. K. Ajmani, A. Kumar, and H. S. Sandhu, "Optimisation of tap hole length of "D" blast furnace using mathematical modelling," Tata Search pp. 144-150, 2001.  A. K. Vats and S. K. Dash, "Flow induced stress distribution on wall of blast furnace hearth," Ironmaking and Steelmaking, vol. 27, pp. 123-128, 2000.  B. Desai, R. V. Ramna, and S. K. Dash, "Optimium coke-free space volume in blast furnace hearth by wall shear stress analysis," ISIJ International, vol. 46, pp. 1396-1402, 2006.  A. V. Luikov, "Conjugate convective heat transfer problems," International Journal of Heat and Mass Transfer, vol. 17, pp. 257-265, 1974.  A. V. Luikov, V. A. Aleksashenko, and A. A. Aleksashenko, "Analytical methods of solution of conjugated problem in convective heat transfer," International Journal of Heat and Mass Transfer, vol. 14, pp. 1047-1056, 1971.  B. Wright, P. Zulli, F. Bierbrauer, and V. Panjkovic, "Assessment of refractory condition in a blast furnace hearth using computational fluid dynamics," Third International Conference on CFD in the Minerals and Process Industries, CSIRO,Melbourne,Australia, pp. 645-650, 2003 .  V. Panjkovic and J. S. Truelove, "Computational fluid dynamics modelling of iron flow and heat transfer in the iron blast furnace hearth," Second International Conference on CFD in the Minerals and Process Industries, CSIRO, Melbourne, Australia, pp.399-404, 1999.  W. T. Cheng, C. N. Huang, and S. W. Du, "Three dimensional iron flow and heat transfer in the hearth of a blast furnace during tapping process " Chemical Engineering Science, vol. 60, pp. 4485-4492, 2005.  C. M. Chang, W. T. Cheng, C. E. Huang, and S. W. Du, "Numerical prediction on the erosion in the hearth of a blast furnace during tapping process," International Communication in Heat and Mass Transfer, vol. 36, pp. 480-490, 2009.  李東生, 朱建偉, 王文忠, 趙慶傑, and 余武明, "鞍鋼1號高爐風口喂線定向修復爐缸試驗,"燒鐵25, pp. 48-49, 2006.  王文忠, 趙慶傑, and 徐金鋒, "高爐風口喂線護爐技術開發與應用," 四川冶金, vol. 27, pp. 40-43, 2005.  林忠豪, "高爐爐下部鐵水流動中鈦化合物濃度分佈之數值模擬," 國立中興大學化學工程研究所博士論文, 2009.  R. Rezende, "DISSERTACAO DE MESTRADO EM ENGENHRARIA MECHCANICA," UNIVERSIDADE FEDERAL DE SANTA CATARINA PROGRAMA DE POS-GRADUACAO EM ENGENHARIA MECANICA, 2008.  D. Schwabe, "Marangoni effects in crystal growth melts," Physic Chemical Hydrodynamics, vol. 2, pp. 263-280, 1981.  Z. F. Yuan, W. L. Huang, and K. Mukai, "Local corrosion of magnesia-chrome refractories driven by marangoni convection at the slag-metal interface," Journal of Colloid and Interface Science, vol. 253, pp. 211-216, 2002.  E. Ricci, L. Nanni, and A. Passerone, "Oxygen transport and dynamic surface tension of liquid metals, Philosophical Transactions of the Royal Society A: Mathematical," Physical and Engineering Sciences, vol. 356, pp. 981-993, 1998.  B. J. Keene, "Review of data for the surface tension of iron and its binary alloys," International Material. Review, vol. 33, pp. 1-35, 1988.  K. Mukai, T. Masuda, K. Gouda, T. Harada, J. Yoshitomi, and S. Fujimoto, "Local corrosion of blast furnace trough material at the slag-metal interface," The Japan Institute of Metals, vol. 48, pp. 69-76, 1984.  K. Husig, M. Ackermann, M. Beseoglu, and H. K. Duisburg, "Theoretical considerations on the layout of blast furnace troughs and results of their industrial application," Stahl und Eisen, vol. 98, pp. 1127-1133, 1978.  Z. Li, K. Mukai, and Z. Tao, "Reactions between MgO-C refractory, molten slag and metal," ISIJ International, vol. 40, pp. S101-S105, 2000.  K. Mukai, "Marangoni flows and corrosion of refractory walls," Physical and Engineering Sciences, vol. 356, pp. 1015-1026, 1998.  Q. He, P. Zulli, F. Tanzil, B. Lee, J. Dunning, and G. Evans, "Flow characteristics of a blast furnace taphole stream and its effects on trough refractory wear," ISIJ International, vol. 42, pp. 235-242, 2002.  Q. He, G. Evans, P. Zulli, F. Tanzil, and B. Lee, "Flow characteristics in a blast furnace trough," ISIJ International, vol. 42, pp. 844-851, 2002.  L. M. Juhani, P. T. Tuomas, K. Johanna, F. T. Matti, N. Hannu, and H. J. Juhani, "Modelling of fluid flows in the blast furnace trough," Steel Research, vol. 72, pp. 130-135, 2001.  V. Stanek and J. Szekely, "The effect of surface driven flows on the dissolution of a partially immersed solid in a liquid-analysis," Chemical Engineering Science, vol. 25, pp. 699-715, 1970.  P. Hrma, "Dissolution of a solid body governed by surface free convection," Chemical Engineering Science, vol. 25, pp. 1679-1688, 1970.  Gambit Modeling Guide, 2003.  B. E. Launder and D. B. Spalding, "Lectures in Mathematical Models of Turbulence," Academic Press, London, England, 1972.  S. Ergun, "Fluid flow through packed columns," Chemical Engineering Progress, vol. 48, pp. 89-94, 1952.  V. R. Voller and C. R. Swaminathan, "Generalized source-based method for solidification phase change," Numerical Heat Transfer B, vol. 19(2), pp. 175-189, 1991.  V. R. Voller and C. Prakash, "A fixed-grid numerical modeling methodology for convection-diffusion mushy region phase-change problems," International Journal of Heat and Mass Transfer, vol. 30, pp. 1709-1720, 1987.  V. R. Voller, A. D. Brent, and K. J. Reid, "A computational modeling mramework for the analysis of metallurgical solidification process and phenomena," Conference for Solidification Processing, Ranmoor House, Sheffield, September, 1987.  V. R. Voller, "Modeling Solidification Processes," Mathematical Modeling of Metals Processing Operations Conference, American Metallurgical Society, Palm Desert, CA, 1987, 1987.  J. U. Brackbill, D. B. Kothe, and C. Zemach, "A continuum method for modeling surface tension," Journal of Computation Physics, vol. 100, pp. 335-354, 1992.  李人獻, "有限體積法基礎," 國防工業出版社, 北京, 2008.  王福軍, "計算流體動力學分析-CFD軟體原理與應用," 清華大學出版社, 北京, 2004.  S. V. PatanK and D. B. Spalding, "A calculation procedure for heat, mass and momentum transfer in three-dimensional parabolic flows," International Journal of Heat and Mass Transfer, vol. 15, pp. 1787-1806, 1972.  J. P. V. Doormal and G. G. Raithby, "Enhancement of SIMPLE method for predicting incompressible fluid flows," Numerical Heat Transfer, vol. 7, pp. 147-163, 1984.  R. I. Issa, "Solution of the implicitly discretised fluid flow equations by operator-splitting," Journal of Computation Physics, vol. 62, pp. 40-65, 1986.  S. Armsfield and R. Street, "The fractional-step method for the Navier-Stokes equations on staggered grids: Accuracy of three variations," Journal of Computational Physics, vol. 153, pp. 660-665, 1999.  H. M. Glaz, J. B. Bell, and P. Colella, "Second-order projection method for the incompressible Navier-Stokes equations," Journal of Computational Physics, vol. 85, pp. 257, 1989.  葉晉佑, "鐵水流動中爐蕊漂浮高度影響高爐爐床底部侵蝕之數值模擬," 國立中興大學化學工程研究所碩士論文, 2009.||摘要:||
本研究主要分為兩個部份，第一個部分為碳質傳對於高爐爐下部爐床溶蝕之影響，以中鋼No.2高爐為模型並考慮鐵水與碳磚之間共軛熱傳導效應，以三維Navier-Stoke 層流動量方程式並搭配Ergun equation 描述流體多孔質內流動情況，與現場數據驗證以利建立較合理之濃度場，並以模擬之濃度場推算高爐爐床內不同條件下碳磚溶蝕速率。
而第二個部份為鐵水流道應力暫態分析，以k-ε紊流模式搭配VOF(Volume of fraction)法描述三相不互溶之流體，其中包含鐵水、爐渣與空氣。並在模式中考慮因界面張力不同產生之Marangoni 對流效應和爐渣固化效應，以三維暫態模式分析流道應力分佈並與現場侵蝕曲線比較。
(1) 我們成功地利用真實高爐作為模型搭配CFD(Computational Fluid Dynamics)軟體(Fluent 6.2)預測高爐爐下部碳濃度分佈。
(3) 根據Fluent 6.2版所提供的VOF法本研究成功的用其描述鐵水流道中三相不互溶流體(鐵水、爐渣與空氣)的流動行為。
(4) 在本研究暫態計算過程中，可以觀察到鐵水流道中衝擊區的形成與發展，最後計算終點時衝擊區長度大約為6 m。
There are two topics in this study. The first topic is the erosion of hearth bottom caused by mass transfer of carbon, which physical model is based on CSC (China Steel Cooperation) No.2 BF, and the conjugated heat transfer is considered. The three dimensional Navier-Stoke equation and Ergun equation were used to describe the behavior of flow in porous zone in the blast furnace hearth. In order to build a distribution of carbon concentration with different operating conditions, the simulative result was verified by on-line data.
The other topic is the unsteady-state analysis of shear stress distribution in the blast furnace trough. The VOF (Volume of Fraction) and k-ε turbulent model were employed to simulate the three kinds of immiscible fluid, including liquid iron, slag, and air. In addition, the Marangoni effect caused by difference of interfacial tension was considered by CFS (Continuum Surface Force) model, and the solidification of slag was considered in this work. We analyzed the distribution of shear stress in the trough and compared with on-line data.
In summary, we made some essential conclusions as follow:
(1) We successfully established the numerical analysis which can predict the distribution of carbon in a blast furnace hearth by CFD software (Fluent 6.2).
(2) As shown in the results, it is found that some operating factors, such as production and carbon concentration at mass-inlet, and the situations of deadman (i. e. the height of floating and the distribution of permeability in the deadman) would result in a different degree of erosion.
(3) In this research, the VOF model provided by Fluent 6.2 was successfully applied to describe the three kinds of immiscible flow, including liquid iron, slag and air, with the consideration of Marangoni effect in the blast furnace trough.
(4) According to the unsteady-state flow pattern obtained in this work, at the final stage, the location of impact region in the trough is about 6 m from the tape-hole of blast furnace hearth.
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