Evaporative cooling unit

The invention relates to the technical field of air conditioners, in particular to an evaporative cooling unit. The problem that the heat exchange effect is poor due to the fact that cooling water is not evenly distributed on the evaporation heat exchanger is solved. In order to achieve the purpose, the evaporation cooling unit comprises a machine shell, a spraying assembly and an evaporation heat exchanger, the spraying assembly and the evaporation heat exchanger are arranged in the machine shell, the spraying assembly is located above the evaporation heat exchanger, the evaporation cooling unit further comprises a plurality of water distribution pieces, and the water distribution pieces are arranged at the top of the evaporation heat exchanger; the water distribution piece is arranged to enable cooling water falling on the water distribution piece to flow to the evaporation heat exchanger along the outer surface of the water distribution piece. According to the evaporative cooling unit, the water distributi