20kA新型稀土电解槽电热场耦合数值模拟

Transactions of Nonferrous Metals Society of China(2020)

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Abstract
针对传统稀土电解槽具有能耗高、效率低、使用寿命短等缺点,提出一种20 kA新型稀土电解槽.采用ANSYS探究极距和电解质高度对电热场分布的影响.结果表明:随着极距增加,电解槽欧姆压降和温度以相同的趋势增加;同时,随着电解质高度增加,电解槽温度逐渐升高,但电解槽欧姆压降下降;最终,当极距为115 mm、电解质高度为380 mm时,电解槽的欧姆压降为4.61 V,温度为1109.8℃,此时电解槽的热场分布更加合理,槽电压较低,这有利于延长新型稀土电解槽的使用寿命,降低其能耗.
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Key words
rare earth reduction cell,anode-cathode distance,electrolyte height,thermo-electrical field,numerical simulation
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