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| 1 | 我国铝电解槽计算机仿真技术的研究发展及现状显示文摘铝电解槽的多物理场仿真及在线动态仿真分析研究对铝电解槽大型化、微机过程控制化的开发、优化设计、生产启动和运行管理具有重要的指导意义.文中阐述了铝电解槽物理场模型和计算方法的发展过程及主要的商业化分析软件,列举了21世纪以来我国科研工作者在铝电解槽电、热、磁、流体和应力场仿真及智能多模式控制系统领域的重要科研成果.文中分析了我国铝电解槽多物理场及在线动态仿真的研究现状与发展前景,并提出了未来我国在铝电解槽计算机仿真研究领域亟待解决的问题,即磁流体全槽模型的建立与分析;多物理场同一计算平台的耦合解析;铝电解槽的全息仿真技术、在线动态仿真技术以及焙烧启动方式、材料属性对铝电解槽运行影响的研究分析;强适用性、参数化建模应用软件的开发. | 李剑虹 涂赣峰 戚喜全 毛继红 吕定雄 冯乃祥 | 2010 | 材料与冶金学报2010，9，3： | 6 |
| 2 | 高电流密度TiB_2/G阴极泄流式铝电解槽的电解实验显示文摘详述了泄流式TiB2/G阴极电解槽的制作与电解运行操作。在焦粒焙烧、干法启动后,保持1.54 A/cm2的高阳极电流密度进行140 h电解实验,平均电流效率为86.5%。实验过程中,TiB2/G层稳定而牢固,其腐蚀脱落速度为0.4 g/(h·m2),能很好地保护阴极基体。利用铝参比电极由瞬时断电技术测得泄流式电解槽的阳极过电压和阴极过电压,它们与对应的电流密度遵循塔菲尔方程关系,其阳极过电压与工业电解槽相当,而其阴极过电压比工业电解槽的高0.4 V左右。这可能是由于泄流式电解槽中不存在铝液波动,阴极表面附近的电解质分子比远高于工业电解槽阴极表面的电解质分子比。 | 彭建平 冯乃祥 姜艳丽 王耀武 尤晶 | 2008 | 中国有色金属学报2008，18，4： | 5 |
| 3 | 2D finite element analysis of thermal balance for drained aluminum reduction cells显示文摘Based on the principle of energy conservation,the applicable technique for drained cell retrofitted from conventional one was analyzed with 2D finite element model. The model employed a 1D heat transfer scheme to compute iteratively the freeze profile until the thickness variable reached the terminating requirement. The calculated 2D heat dissipation from the cell surfaces was converted into the overall 3D heat loss. The potential drop of the system, freeze profile and heat balance were analyzed to evaluate their variation with technical parameters when designing the 150 kA conventional cell based drained cell. The simulation results show that the retrofitted drained cell is able to keep thermal balance under the conditions that the current is 190 kA, the anodic current density is 0.96 A/cm2, the anode-cathode distance is 2.5 cm, the alumina cover is 16 cm thick with a thermal conductivity of 0.20 W/(m·℃ ) and the electrolysis temperature is 946 ℃ . | 刘伟 李劼 赖延清 刘业翔 | 2007 | Journal of Central South University of Technology2007，14，6： | 3 |
| 4 | Electric field distribution in 75 kA drained aluminum reduction cell显示文摘Current distribution in a drained aluminum reduction cell is critical due to its influence on the current efficiency, electrolysis stability, anodes and cathodes integrity. A finite element model was developed to simulate the electric field in a 75 kA drained aluminum reduction cell. The current distribution and influences of the cathode inclination angle and anode-cathode distance (ACD) were studied. The results show that relatively large horizontal current density appears in the aluminum film, and the maximum value reaches 600 kA/m2. As the cathode inclination angle increases from 2° to 15°, the maximum current density of the metal pad increases by 15%, while the maximum current density of the aluminum-wettable coating layer decreases by 27%. The influence of the ACD on the current distribution is not obvious. | 李相鹏 李劼 赖延清 陈江 高增梁 刘业翔 | 2010 | Journal of Central South University2010，17，1： | 2 |
| 5 | 聚铝沟排布对导流型铝电解槽热应力分布的影响显示文摘为了优化导流型铝电解槽聚铝沟设计方案,对槽内热应力分布特征进行研究分析。采用商用有限元计算软件ANSYS针对两种聚铝沟设计方案(即方案Ⅰ为工字型聚铝沟结构;方案Ⅱ为单聚铝沟结构)的导流槽模型进行了电?热?应力耦合计算,同时针对热应力引起的槽体形变进行模拟。结果表明:采用方案Ⅰ工字型聚铝沟结构时,槽体内部热应力较大,尤其是两端靠近横向聚铝沟的阴极炭块内部具有较大的应力集中,而采用方案Ⅱ单聚铝沟结构时,该处的应力集中得到了较好的缓和,槽体形变较小。 | 李相鹏 李劼 赖延清 刘业翔 冉永华 周昊 岑可法 | 2007 | 中国有色金属学报2007，17，6： | 1 |
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