Energy -saving open cooling tower

The utility model discloses an energy -saving open cooling tower. Energy -saving open cooling tower includes tower body, aproll device and receives the hydrophone, the aproll device is established atthe tower body top, be equipped with the filler in the tower body, the filler is located the below of aproll device, the both sides of tower body are equipped with the air intake, it is equipped withand is used for collecting the water smoke that the cooling water formed through the back of packing in the tower body to receive the hydrophone slope, it includes backup pad, supporting network and aplurality of receipts water board to receive the hydrophone, a plurality of receipts water boards overlap in proper order in the backup pad, and a plurality of receipts water boards pass through supporting network support, the supporting network slope is established in the tower body, each receipts water board is wavyly, just each is equipped with the nail that condenses on receiving the water board, and the nail that just