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PERFORMANCE PREDICTION OF RISER TERMINATION DEVICES USING BARRACUDA

机译：采用梭子杆菌的立管终止装置的性能预测

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In fluidized bed reactors, one of the locations where attrition is significant is cyclones. One way to reduce the attrition in cyclones is to reduce the amount of catalyst going into the cyclones. This is achieved by separating the catalyst particles from the combined gas solid flow before the stream enters the cyclones. Using a riser flow along with a riser terminator, some of the catalyst particles can be separated from gas stream. In this work, we will discuss how Barracuda has been used at The Dow Chemical Company to investigate two riser termination devices for separating catalyst particles from gas phase. The two types of riser terminators simulated are (1) flat disk and (2) slots-elbow, as shown below in Figure 1. The results indicate that the slots-elbow type terminator has an overall separation efficiency of more than 95% whereas the disk terminator has approximately 80% efficiency.
机译：在流化床反应堆中，磨损显着的一个位置是旋风。减少旋风中磨损的一种方法是减少进入旋风分离器的催化剂量。这是通过将催化剂颗粒与组合的气体固体流动分离在流进入旋风器之前实现。使用提升管流以及提升管终止子，可以将一些催化剂颗粒与气流分离。在这项工作中，我们将讨论道雷加达如何在Dow Chemical Company中使用，以研究用于将催化剂颗粒与气相分离的两个立管终端装置。模拟的两种类型的立管终端子是（1）平盘和（2）槽弯头，如图1所示。结果表明槽弯型终止子的总分离效率超过95％，而磁盘终结器具有大约80％的效率。

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