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首页> 外文会议>TMS annual meeting exhibition >STUDY OF ELECTROMAGNETIC FIELD IN 300KA ALUMINUM REDUCTION CELLS WITH INNOVATION CATHODE STRUCTURE
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STUDY OF ELECTROMAGNETIC FIELD IN 300KA ALUMINUM REDUCTION CELLS WITH INNOVATION CATHODE STRUCTURE

机译：具有创新阴极结构的300KA铝电解槽中的电磁场研究

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Three dimensional steady finite element models have beendeveloped to study the effect of the novel structure cathode (NSC)on the electromagnetic field in aluminum reduction cells. Inaddition to reduction cells, the finite element system includes thebusbar, ferromagnetic shell and air. Numerical results show thecurrent density, magnetic flux density, electric potential andelectromagnetic force is different between NSC and traditionalcells. The NSC with the convex block can divide the aluminummelt into a number of parts, where the electromagnetic forcedecreases. There are different small circulations formed aroundthe convex blocks in aluminum melt, which not only reduce thefluctuation and the anode effect caused by lower aluminaconcentration, but also promote the dissolution of alumina.Compared to the traditional aluminum reduction cells, the NSCcells have the advantage of reasonable current density distributionand relatively uniform electromagnetic force distribution, so thatthe aluminum melt has smaller fluctuations and higher efficiencyof current.
机译：三维稳态有限元模型已经 开发用于研究新型结构阴极（NSC）的效果 铝还原电池中的电磁场的影响。在 除还原单元外，有限元系统还包括 母线，铁磁外壳和空气。数值结果表明 电流密度，磁通密度，电势和 NSC与传统电磁力不同 细胞。带凸块的NSC可以划分铝 融化成许多部分，其中电磁力 减少。周围形成了不同的小循环 铝中的凸块熔化，不仅减少了 氧化铝含量降低引起的波动和阳极效应 浓缩，还能促进氧化铝的溶解。 与传统的铝电解槽相比，NSC 电池具有合理的电流密度分布的优势 电磁力分布比较均匀 铝熔体波动较小，效率更高 的电流。

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