This paper discusses fluid mechanics performance of packed tower with baffle, describes cases of experiment and presents computational equation for pressure drop drop and flooding velocity.

本文对带折流板式填料塔的流体力学性能进行了探讨，介绍了实验情况，提出了压降和泛点气速的计算式。

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Ideal drilling machine for tube-plates, baffle plates and flange, in petrochemical, boiler and air-condition industries, also for joint plates in building, bridge, iron tower, etc.

用于石化、锅炉、制冷等行业的管板，折流板和法兰盘钻。也可用于建筑、桥梁、铁塔等钢结构中的联接板钻孔。

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