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首页> 外文会议>TMS annual meeting exhibition;Symposium on light metal >The Scale-Up of High Shear Processing for the Purification of Recycled Molten Scrap Aluminium Alloy: Key Features of Fluid Flow
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The Scale-Up of High Shear Processing for the Purification of Recycled Molten Scrap Aluminium Alloy: Key Features of Fluid Flow

机译：用于剪切回收熔融废铝合金的高剪切工艺的规模化：流体流动的关键特征

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摘要

In order to remove impurities in scrap aluminum alloys, hence increasing their value, a laboratory-scale high shear processing (HSP) unit for mixing the molten alloy was developed, which makes it possible to remove iron-based contaminants using physical conditioning, at relatively low cost. In order to make this technology applicable in the industrial environment, we are now investigating the scale-up of HSP by using computer simulation. The computational research quantitatively predicts a variety of key features of fluid flow, which determine the feasibility of the scale-up. These include the mass flow rate through the mixing head, the effective agitation of the melt in the bulk crucible, and the shear rate that can be achieved. Based on the configuration of HSP that we review in this paper, we predict that it is feasible to achieve a factor of four scale-up in the volume of liquid alloy treated.
机译：为了去除铝合金废料中的杂质，从而提高其价值，开发了一种用于混合熔融合金的实验室规模的高剪切加工（HSP）装置，该装置可以通过物理处理在相对较高的温度下去除铁基污染物。低成本。为了使该技术适用于工业环境，我们现在正在通过计算机仿真研究HSP的规模扩大。计算研究定量地预测了流体流动的各种关键特征，这些特征决定了扩大规模的可行性。这些因素包括通过混合头的质量流速，大容量坩埚中熔体的有效搅拌以及可达到的剪切速率。根据我们在本文中回顾过的HSP的构型，我们预测在处理的液态合金体积中实现四倍放大是可行的。

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