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Trays as a fixed blade windmill blades, air flow produced by the rotation of the blades and the centrifugal movement, absorb liquid evenly distributed to blind blades through the middle, forming a thin liquid layer, the effect of the rotation of the rotary and centrifugal air upward form, sprayed into fine droplets and directed after the tower wall. Drops by gravity flow collection sump and pipe flows to the next tray blind area by reducing fluid. A certain pressure, wind speed to be treated air from the bottom of the column into the upper out. Absorbing liquid from the top of the column into the lower out. Air flow and absorption of fluid in the column for the relative motion, and the formation of a large surface area of the water film cyclone trays in structural parts, thus greatly improving the absorption. Each layer of absorbent liquid cyclone centrifugation fall by the edge of the collection tank, and then the guide tube into the next layer of trays, the next layer of absorption.