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| Study on Matching of Electrode Insertion Depth and Spacing of Electrode of Rare Earth Electrolytic Cell with Numerical Simulation of Thermal-Electric Field Coupling |
| Received:February 19, 2017 Revised:February 28, 2017 |
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| DOI：doi：10.3969/j.issn.1007-7545.2017.06.009 |
| KeyWord:rare earth electrolytic cell; neodymium; thermal-electric field; coupling; matching |
| Author | Institution |
| WU Yong-fu |
内蒙古科技大学 |
| FENG Huai-xuan |
内蒙古科技大学 |
| LIU Zhong-xin |
内蒙古科技大学 |
| LI Yan-qin |
郑州大学 化工与能源学院 |
| GUAN Bo-rui |
内蒙古科技大学 |
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| Abstract: |
| Coupling mathematical model of thermo-electric field was established by COMSOL finite element simulation software applying 3 kA neodymium electrolysis cell as models with consideration of correlation between electric field and thermal field. Electrode insertion depth and spacing of electrodes with different matching were simulated. The results show that there is a matching relationship between electrode insertion depth and spacing of electrodes which affects current and temperature distribution at certain cell voltage. High current efficiency is obtained under the conditions including electrode insertion depth of 220 mm, spacing of electrodes of 75 mm, and cell voltage of 4.0 V after thermo-electric field coupling. |
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