A new approach to the design of the downcomer portion of distillation column trays promotes a uniform fluid flow pattern. The Downcomer Distributor was developed through a joint research program between AMT International Inc and Petronas with an objective to eliminate deviations from an ideal fluid-flow pattern that occur on typical distillation trays, which result from recycling of fluid on the tray and by the existence of stagnant regions of liquid. In testing, the Downcomer Distributor consistently resulted in approximately 5%-10% greater tray efficiency compared to existing downcomer configurations under normal tray operating conditions.
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机译：设计蒸馏塔塔板的下降管部分的新方法促进了均匀的流体流型。 Downcomer分配器是通过AMT International Inc和Petronas之间的联合研究计划开发的，目的是消除典型蒸馏塔板上发生的与理想流体流型有关的偏差，这些偏差是由塔板上的流体再循环以及由于存在的液体停滞区域。在测试中，与正常的托盘运行条件下的现有降液管配置相比，降液管分配器始终能使托盘效率提高约5％-10％。
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