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Agglomerate behavior in a recirculating fluidized bed with sheds: Effect of ring baffles
Particuology ( IF 3.5 ) Pub Date : 2018-02-09 , DOI: 10.1016/j.partic.2017.10.008
Francisco J. Sanchez Careaga , Cedric Briens , Franco Berruti , Jennifer McMillan , Murray Gray

The radioactive particle tracking technique was used to study the effect of internal ring baffles on wet agglomerate motion inside a cold flow recirculating fluidized bed. The study found that using such a baffle on its own or above the regular sheds helps reduce the fouling of the stripper section by increasing the residence time that the agglomerates spend above the baffle, thereby reducing the release of the vapors below the baffles that cause fouling of the sheds. Adding down-comers, or flux tubes, to the ring baffles degrades the performance of the baffles. Reducing the length of the flux tubes, so that they do not reach the bottom of the baffle lip results in a further degradation in baffle performance.



中文翻译:

带有棚子的循环流化床中的附聚物行为:环形挡板的影响

放射性粒子跟踪技术用于研究内环挡板对冷流循环流化床内部湿附聚物运动的影响。研究发现,单独使用此类挡板或在常规棚屋上方使用此类挡板,可以通过增加附聚物在挡板上方花费的停留时间来减少汽提塔部分的结垢,从而减少挡板下方蒸气的释放,从而避免结垢。的棚子。在环形挡板上增加降液管或通量管会降低挡板的性能。减小通量管的长度,使得它们不到达挡板唇的底部导致挡板性能的进一步降低。

更新日期:2018-02-09
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