Evaporative condensation heat exchange device

The utility model discloses an evaporative condensation heat exchange device, belongs to the field of refrigeration systems such as air conditioners or water chiller, and belongs to a steam condensation heat exchanger. The heat exchanger comprises a heat exchange tube, a water guide sheet and a fixing assembly, the heat exchange tubes comprise a first heat exchange tube and a second heat exchange tube; the first heat exchange pipe and the second heat exchange pipe are the same in structure, are both of an S-shaped structure and are arranged side by side in parallel. The pipe diameter of the first heat exchange pipe and the pipe diameter of the second heat exchange pipe are both smaller than 25 mm, and the pipe wall thickness is both smaller than 0.8 mm. A water guide sheet is clamped between the first heat exchange tube and the second heat exchange tube; the first heat exchange tube, the second heat exchange tube and the water guide piece are fixed through a fixing assembly. The first heat exchange pipe and t