Discharged water recovery system of flash tank

The utility model provides a discharged water recovery system of a flash tank. The discharged water recovery system comprises a circulating water pump mechanism and a blowdown flash tank, the circulating water pump mechanism comprises a cooling tower, a circulating pump, a condenser, a water inlet pipe and a water return pipe, the cooling tower is provided with a first water inlet and a first water outlet, the condenser is provided with a second water inlet and a second water outlet, and the two ends of the water inlet pipe correspondingly communicate with the first water outlet and the second water inlet correspondingly. Two ends of the water return pipe are respectively communicated with the second water outlet and the first water inlet; the circulating pump is mounted on the water inlet pipe. And the blowdown flash tank is communicated with the water return pipe. The blow-down water in the blow-down flash tank flows into the cooling tower through the water return pipe, so that heat in the blow-down water c