The counterflow cooling tower particularly for a steam power plant, has a chamber with bottom inlets (8) through which steam laden air enters, to travel upwards through a chimney (9) at the top. As the air travels upwards, it travels through a cooling cell system combined with horizontal tubes (6,7) from which water sprays are discharged. At right angles to the tubes are flow passages which alternate with short channels with sloping sides (12) forming the tops of the cells (2). Each short channel is under a spray pipe (6) and parallel to it, and alternates with an open topped cell (11) under the next pipe (7). The cells can also be arranged in an alternative manner.
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