金属学报  2005, Vol. 41 Issue (6): 655-658

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P2O5对熔渣界面氧迁移反应的影响及机理

胡晓军

北京科技大学物理化学系; 北京 100083

Effect of P2O5 on Interfacial Oxygen Transfer Reaction and Its Mechanism

HU Xiaojun

Department of Physical Chemistry; University of Science and Technology Beijing; Beijing 100083

胡晓军 . P2O5对熔渣界面氧迁移反应的影响及机理[J]. 金属学报, 2005, 41(6): 655-658 .
. Effect of P2O5 on Interfacial Oxygen Transfer Reaction and Its Mechanism[J]. Acta Metall Sin, 2005, 41(6): 655-658 .

摘要 参考文献 相关文章 Metrics 全文: PDF(153 KB)   摘要: 利用同位素交换法测定了熔渣表面CO2与氧化铁熔渣之间氧迁移反应的 速度常数, 并基于电化学反应机制, 分析了添加P2O5对该过 程的影响, 建立了一个新的反应动力学模型. 该模型认为P2O5 作为易挥发组分参与对电子的竞争, 抑制氧迁移 (CO2+2e=CO+O2-)主反应的进行. 对实验数据的 分析和拟合表明了模型的可用性, 也辅证了反应的电化学机制. 关键词 ： 氧迁移,  P2O5,  同位素交换法      Abstract：The rate constant of oxygen transfer reaction between the molten iron oxide and CO2 gas on the surface of liquid slag was measured by the isotope exchange method. Also, according to the electrochemical mechanism in the reaction process, the effect of P2$O5 additive was discussed and a new model was established. From this model, due to participating the electron competition while volatilizing from slag, P2$O5 decreases the oxygen transfer rate. The results of analyzing and fitting to the experimental data have indicated that this new model is available to explain the effect of P2O5, and supported the view which there exits an electrochemical mechanism in this process. Key words： oxygen transfer    P2O5 additive    isotope exchange method 收稿日期: 2004-09-24      ZTFLH:  TF01   服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 胡晓军 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y2005/V41/I6/655 [1]Nagasaka T,Tguchi Y.Ban-ya S.Tetsu Hagane,1989;75:74 (长坂徹也,井口(?)孝,乃谷 志郎 铁 钢,1989;75:74) [2]Sun S,Belton G R.Metall Mater Trans,1998;29B:137 [3]Matsuzaki K,Maki T,Hamano T,Ito K.Metall Mater Trans,1999;30B:827 [4]Cramb A W,Graham W R,Belton G R.Metall Trans, 1978;9B:623 [5]Matsuura H,Ishida I,Tsukihashi F.ISIJ Int,2004;44:1494 [6]Belton G R.Metall Trans,1976;7B:35 [7]Woolley D E,Pal U B.Metall Mater Trans,1999;30B:877 [8]Woolley D E,Pal U B.Ironmaking Steelmaking,2002;29:125 [9]Kambayashi S,Awaka A.Kato E.Tetsu Hagane,1985;71:1911 (神林茂,阿波加博俊,加藤栄 铁 钢,1989;71:1911) [1] 居天华, 舒念, 何维, 丁学勇. 合金溶液中溶质间活度相互作用系数预测模型[J]. 金属学报, 2023, 59(11): 1533-1540. [2] 金永丽,于海,张捷宇,赵增武. 磁场对含CaO铁氧化物还原的影响[J]. 金属学报, 2019, 55(3): 410-416. [3] 胡晓军; 松浦宏行; 月桥文孝; 周国治 . 界面非平衡氧传递过程动力学的解析[J]. 金属学报, 2007, 43(8): 829-833 . [4] 乐启炽; 张新建; 崔建忠; 路贵民 . 金属合金溶液热力学模型研究进展[J]. 金属学报, 2003, 39(1): 35-42 . [5] 吴铿; 姚克虎 . 硼酸盐熔体中分解反应的发泡特性参数[J]. 金属学报, 2000, 36(12): 1248-1252 . [6] 殷瑞钰 . 钢铁制造流程的解析和集成[J]. 金属学报, 2000, 36(10): 1077-1084 . [7] 唐恺; 蒋国昌 . 冶金熔渣热力学性质的SReS模型[J]. 金属学报, 2000, 36(5): 502-506 . [8] 陈星秋; 丁学勇 . 二元合金熔体组元活度计算式的改进[J]. 金属学报, 2000, 36(5): 492-496 . [9] 吴铿; 赵纪伟; 储少军; 王颖 . 硼酸盐熔体中内生气源发泡性能方程的发泡和消泡系数[J]. 金属学报, 1999, 35(7): 726-730 . [10] 侯怀宇; 谢刚 . 用NRTL方程预测三元,四元液态合金体系的热力学数据[J]. 金属学报, 1999, 35(3): 292-295 . Viewed Full text Abstract Cited   Shared      Discussed