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水平電極稀土電解槽陽極氣泡動力學(xué)及電解液流動數(shù)值模擬
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作者單位:

1.中國科學(xué)院 金屬研究所 沈陽材料科學(xué)國家研究中心，遼寧 沈陽 110016;2.中國科學(xué)技術(shù)大學(xué) 材料科學(xué)與工程學(xué)院，遼寧 沈陽 110016;3.包頭天石稀土新材料有限責(zé)任公司，內(nèi)蒙古 包頭 014060

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基金項目:

the National Natural Science Foundation of China (Nos. 52101165) ; the Inner Mongolia Science and Technology Major Project(No.2020ZD0010); the Key Research Program of the Chinese Academy of Sciences, Grant No. ZDRW-CN-2021-3


Simulation of Bubble Dynamics and Electrolyte Flow in Rare Earth Electrolysis Cell with Horizontal Electrode
Author:
Affiliation:

1.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang110016, China;2.School of Materials Science and Engineering, University of Science and Technology of China, Shenyang110016, China;3.Baotou Skyrock Rare Earth New Material Co., Ltd, Baotou014060, China

Fund Project:

National Natural Science Foundation of China (52101165); Inner Mongolia Science and Technology Major Project (2020ZD0010); Key Research Program of the Chinese Academy of Sciences (ZDRW-CN-2021-3)

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    摘要:

    建立了一個二維瞬態(tài)數(shù)學(xué)模型，分別描述了水平電極稀土電解槽中陽極氣泡動力學(xué)和氣泡誘導(dǎo)的電解液運動。結(jié)果表明，隨著陽極傾斜角度的增大，陽極氣泡厚度逐漸增大。此外，與常規(guī)陽極相比，傾斜和倒角陽極有利于縮短氣泡長度，提高氣泡速度。同時，電解槽內(nèi)氣泡誘導(dǎo)的電解質(zhì)運動可以改善稀土氟氧化物的分布和運動過程，從而提高電流效率。最后，基于電解液流動提出了一種新型的加料方式。

    Abstract:

    A 2D transient mathematical model was established to separately describe the anode bubble dynamics and the bubble-induced electrolyte motion in the rare earth electrolysis cell with horizontal electrode. Results indicate that with the increase in the anode inclined angle, the maximum bubble thickness is increased gradually. Furthermore, compared with the conventional anode, the inclined and chamfered anodes are conductive to the bubble length reduction and the bubble velocity improvement. Meanwhile, the bubble-induced electrolyte motion in the electrolysis cell can improve the distribution and transport process of oxyfluorides, thereby enhancing the current efficiency. Finally, a novel feeding method based on the electrolyte flow is proposed.

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劉航,楊超云,張耀,欒義坤,李殿中.水平電極稀土電解槽陽極氣泡動力學(xué)及電解液流動數(shù)值模擬[J].稀有金屬材料與工程,2024,53(12):3291~3298.[Liu Hang, Yang Chaoyun, Zhang Yao, Luan Yikun, Li Dianzhong. Simulation of Bubble Dynamics and Electrolyte Flow in Rare Earth Electrolysis Cell with Horizontal Electrode[J]. Rare Metal Materials and Engineering,2024,53(12):3291~3298.]
DOI：10.12442/j. issn.1002-185X.20240023

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  • 收稿日期:2024-01-13
  • 最后修改日期:2024-04-24
  • 錄用日期:2024-05-08
  • 在線發(fā)布日期: 2024-12-19
  • 出版日期: 2024-12-16