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首页> 外文会议>First Sino-Japanese Conference on Polymerization Reaction Engineering and Mixing Technology >A Crystallizer (Cooling Batch Reactor) with Different Type of Impellers
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A Crystallizer (Cooling Batch Reactor) with Different Type of Impellers

机译：叶轮类型不同的结晶器（冷却间歇反应器）

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摘要

The crystallization in a cooling batch process has been carried out using Maxblend impeller and 2 stage of flat paddles and have has measured the particle size distribution. Comparing with the particle size distribution created by these impellers, the sharp crystal size distribution could be obtained with the Maxblend. Especially, the operative range for the Maxblend was wide, so the Maxblend can be operated at lower impeller speed than another impeller system. This is due to that the flow by Maxbelnd can be kept whole space of the tank while the flow energy is dissipated ineffectively in case of the flat paddle, and it leads to large particle size because of achieving uniform crystal suspension and keeping capacity of heat transfer even at low impeller speed. Large advantage was that the adhesion could be decreased due to keeping flow field.
机译：使用Maxblend叶轮和2级平板桨在冷却间歇过程中进行结晶，并测量了粒度分布。与这些叶轮产生的粒度分布相比，使用Maxblend可获得清晰的晶体粒度分布。特别是，Maxblend的操作范围很宽，因此Maxblend可以在比其他叶轮系统低的叶轮速度下运行。这是因为在平板桨的情况下，Maxbelnd的流动可以保持在罐的整个空间，而流动能量不能被有效地耗散，并且由于实现了均匀的晶体悬浮并保持了传热能力而导致了大颗粒尺寸即使在低叶轮速度下也是如此。最大的优点是，由于保持流场，附着力可能降低。

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