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Absorber tower packing filler is used as a gas-liquid contact member between the two phases of mass transfer equipment. Packing absorber tower is has a vertical cylinder, the bottom with packing support plate, filler huddle or the whole puzzle set in a support plate. Installed above the packing gland packing to avoid being blown updraft. Liquid spray from the overhead sprinkler system to the filler, and flow along the surface of the filler. Gas is fed from the bottom, and the liquid was countercurrent continuous through the gap filler layer on the surface of the filler, in close contact with the two-phase gas-liquid mass transfer. Packed absorption tower belonging continuous contact liquid mass transfer equipment, two-phase composition changes continuously along the tower, in the normal operating state, gas is a continuous phase, liquid phase is dispersed.
When the liquid flows downward along the filler layer, there is a gradual trend towards concentration of the tower wall, so that fluid flow near the wall of the tower increases, a phenomenon known as wall flow. Wall liquid two-phase cancellation effects caused by the uneven distribution of the filler layer, so that the mass transfer efficiency. Accordingly, when high packing layer, the need for segmentation, the intermediate means disposed redistribution. Liquid redistribution device, including liquid collector and liquid redistribution of two parts, a top packing shed liquid after the liquid collector to collect, to liquid redistributors, after the re-distribution of the spray to lower the filler.