第7期 罗思义等：生物质合成气直接还原铁矿-生物质复合球团炼铁 .861… 品的质量有显著影响，产品的金属化率和全铁质量 field.Math Comput Modell,2005,42(1/2):45 分数随顶热温度的升高先减小后增加，当顶热温度 [5]Xu G Q.The latest progress and development prospect of 为900℃时还原铁产品的金属化率和全铁质量分数 CORE.Ironmaking,2004,23(2):50 达到最高. (徐国群.COREX技术的最新进展与发展前景.炼铁， (2)还原温度的增加有利于提高还原产品的全 2004,23(2):50) 铁质量分数和金属化率，但当温度超过1000℃时 [6]Zhang S Q,Qiang W H,Li Q M.FINEX melting reduc- 会出现球团互相黏结的现象，不利于还原介质的 tion ironmaking.Fronmaking,2005,24(4):50 (张绍贤，强文华，李前明.FNEX熔融还原炼铁技术.炼 扩散. 铁2005,24(4)：50) (3)减小球团尺寸能提高还原过程中的热质传 [7]Luo S Y,Liu C,Xiao B,et al.A novel biomass pulveriza- 递，有利于还原铁产品质量的提高 tion technology.Renew Energy,2011,36(2):578 (4当采用品位65.21%的铁精矿为实验原料， [8]Luo S Y.Xiao B,HU Z Q,et al.Experimental study 制取粒径介于810mm的生球团，于900℃预热 on combustion of biomass micron fuel (BMF)in cyclone 30min,1000℃下还原60min,可得到指标为全铁 furnace.Energy Convers Manage,2010,51(11):2098 TFe质量分数86.1%和金属化率94.9%的直接还原 [9 Luo S Y,Xiao B,Hu Z Q,et al.Hydrogen-rich gas from 铁产品. catalytic steam gasification of biomass in a fixed bed re- actor:influence of temperature and steam on gasification performance.Int J Hydrogen Energy,2009,34(5):2191 参考文献 [10]Luo Z Y,Wang S R,Liao Y F,et al.Research on biomass fast pyrolysis for liquid fuel.Biomass Bioenergy,2004, [1]Chu M S,Zhao Q J.Present status and development 26(5):455 perspective of direct reduction and smelting reduction in [11]Jozwiak W K,Kaczmarek E,Maniecki T P,et al.Re- China.China Metall,2008,18(9):1 (储满生，赵庆杰。中国发展非高炉炼铁的现状及展望.中 duction behavior of iron oxides in hydrogen and carbon 国治金，2008.，18(9)：1) monoxide atmospheres.Appl Catal A,2007,326(1):17 [2]Liu G S,Strezov V,Lucas J A,et al.Thermal investiga- [12]Bonalbe A,Henriquez A,Manrique M.Kinetic analysis of tions of direct iron ore reduction with coal.Thermochim the iron oxide reduction using hydrogen-carbon monoxide Acta.2004,410(1/2):133 mixtures as reducing agent.ISIJ Int,2005,45(9):1255 [3]Pang J M,Guo P M,Zhao P.Reduction of 1-3 mm iron [13 Mondal K,Lorethova H,Hippo E,et al.Reduction of iron ore by CO on fluidized bed.J Iron Steel Res Int,2011. oxide in carbon monoxide atmosphere:reaction controlled 18(3):1 kinetics.Fuel Process Technol,2004,86(1):33 [4]Shi J Y,Donskoi E,McElwain D L S,et al.Modelling the [14 Sun S,Lu W K.A theoretical investigation of kinetics and reduction of an iron ore-coal composite pellet with con- mechanisms of iron ore reduction in an ore/coal compos- duction and convection in an axisymmetric temperature ite.ISIJ Int1999.39(2):123第 7 期 罗思义等：生物质合成气直接还原铁矿–生物质复合球团炼铁 861 ·· 品的质量有显著影响，产品的金属化率和全铁质量 分数随预热温度的升高先减小后增加，当预热温度 为 900 ℃时还原铁产品的金属化率和全铁质量分数 达到最高. (2) 还原温度的增加有利于提高还原产品的全 铁质量分数和金属化率，但当温度超过 1000 ℃时 会出现球团互相黏结的现象，不利于还原介质的 扩散. (3) 减小球团尺寸能提高还原过程中的热质传 递，有利于还原铁产品质量的提高. (4) 当采用品位 65.21%的铁精矿为实验原料， 制取粒径介于 8∼10 mm 的生球团，于 900 ℃预热 30 min，1000 ℃下还原 60 min，可得到指标为全铁 TFe 质量分数 86.1%和金属化率 94.9%的直接还原 铁产品. 参 考 文 献 [1] Chu M S, Zhao Q J. Present status and development perspective of direct reduction and smelting reduction in China. China Metall, 2008, 18(9): 1 (储满生, 赵庆杰. 中国发展非高炉炼铁的现状及展望. 中 国冶金, 2008, 18(9): 1) [2] Liu G S, Strezov V, Lucas J A, et al. Thermal investiga￾tions of direct iron ore reduction with coal. Thermochim Acta, 2004, 410(1/2): 133 [3] Pang J M, Guo P M, Zhao P. Reduction of 1-3 mm iron ore by CO on fluidized bed. J Iron Steel Res Int, 2011, 18(3): 1 [4] Shi J Y, Donskoi E, McElwain D L S, et al. Modelling the reduction of an iron ore-coal composite pellet with con￾duction and convection in an axisymmetric temperature field. Math Comput Modell, 2005, 42(1/2): 45 [5] Xu G Q. The latest progress and development prospect of CORE. Ironmaking, 2004, 23(2): 50 (徐国群. COREX 技术的最新进展与发展前景. 炼铁, 2004, 23(2): 50) [6] Zhang S Q, Qiang W H, Li Q M. FINEX melting reduc￾tion ironmaking. Ironmaking, 2005, 24(4): 50 (张绍贤, 强文华, 李前明. FINEX 熔融还原炼铁技术. 炼 铁, 2005, 24(4): 50) [7] Luo S Y, Liu C, Xiao B, et al. A novel biomass pulveriza￾tion technology. Renew Energy, 2011, 36(2): 578 [8] Luo S Y, Xiao B, HU Z Q, et al. Experimental study on combustion of biomass micron fuel (BMF) in cyclone furnace. Energy Convers Manage, 2010, 51(11): 2098 [9] Luo S Y, Xiao B, Hu Z Q, et al. Hydrogen-rich gas from catalytic steam gasification of biomass in a fixed bed re￾actor: influence of temperature and steam on gasification performance. Int J Hydrogen Energy, 2009, 34(5): 2191 [10] Luo Z Y, Wang S R, Liao Y F, et al. Research on biomass fast pyrolysis for liquid fuel. Biomass Bioenergy, 2004, 26(5): 455 [11] Jozwiak W K, Kaczmarek E, Maniecki T P, et al. Re￾duction behavior of iron oxides in hydrogen and carbon monoxide atmospheres. Appl Catal A, 2007, 326(1): 17 [12] Bonalbe A, Henriquez A, Manrique M. Kinetic analysis of the iron oxide reduction using hydrogen-carbon monoxide mixtures as reducing agent. ISIJ Int, 2005, 45(9): 1255 [13] Mondal K, Lorethova H, Hippo E, et al. Reduction of iron oxide in carbon monoxide atmosphere: reaction controlled kinetics. Fuel Process Technol, 2004, 86(1): 33 [14] Sun S, Lu W K. A theoretical investigation of kinetics and mechanisms of iron ore reduction in an ore/coal compos￾ite. ISIJ Int, 1999, 39(2): 123