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Particle separation by horizontal deflection in paramagnetic fluid

机译:顺磁流体中水平偏转引起的颗粒分离

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摘要

This paper describes the horizontal deflection behaviour of the streams of particles in paramagnetic fluids under a high-gradient superconducting magnetic field, which is the continued work on the exploration of particle magneto-Archimedes levitation. Based on the previous work on the horizontal deflection of a single particle, a glass box and collector had been designed to observe the movement of particle group in paramagnetic fluids. To get the exact separation efficiency, the method of "sink-float" involved the high density fluid polytungstate (dense medium separation) and MLA (Mineral Liberation Analyser) was performed. It was found that the particles were deflected and settled at certain positions on the container floor due to the combined forces of gravity and magneto-Archimedes forces as well as a lateral buoyancy (displacement) force. Mineral particles with different densities and susceptibilities could be deflected to different positions, thus producing groups of similar types of particles. The work described here, although in its infancy, could form the basis of new approach of separating particles based on a combination of susceptibility and density.
机译:本文描述了在高梯度超导磁场下顺磁流体中粒子流的水平偏转行为,这是对粒子磁-阿基米德悬浮的探索的继续工作。基于先前关于单个粒子水平偏转的工作,设计了一个玻璃箱和一个收集器来观察顺磁性流体中粒子群的运动。为了获得精确的分离效率,“沉浮”方法涉及高密度流体聚钨酸盐(重介质分离)和MLA(矿化分析仪)。已经发现,由于重力和磁阿基米德力以及横向浮力(位移)的共同作用,颗粒在集装箱底板上的某些位置发生了偏转和沉降。具有不同密度和磁化率的矿物颗粒可以偏转到不同位置,从而产生相似类型颗粒的组。尽管此处描述的工作尚处于起步阶段,但可以构成基于敏感性和密度相结合的分离颗粒的新方法的基础。

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