Counter-flow square type cooling tower

DETAILED DESCRIPTION It is an object of the present invention to provide a counter-flow square type cooling tower with a sprinkler placed inside thereof which provides a sufficient heat exchanging effect between air sucked through louvers and water sprayed from the sprinkler even in a corner portion of the rectangular casing body.
The foregoing and the other objects of the present invention have been attained by providing a counter-flow square type cooling tower with a sprinkler placed inside thereof, which comprises an upright cooling tower casing having a rectangular casing body in transverse cross-section, which is provided with a fan at its open top and louvers at its lower side portions, a closed type heat exchanger or a filling for heat exchanging supported in the casing body, a cooling water circulating means including a pump which supplys water from the lower part of the casing body to the upper part, and a sprinkler rotatably held by a vertical hollow shaft in the casing body so as to be connected to the cooling water circulating means and adapted to spray the cooling water downwardly, the sprinkler comprising a plurality of horizontally extending sprinkler pipes, each having a plurality of spraying openings in the axial direction of the pipe to direct the cooling water downwardly and at least one spraying opening at the free end of the spraying pipe to direct the cooling water outwardly .