Maintenance water recycling system

The utility model relates to the technical field of box girder maintenance water recycling, and discloses a maintenance water recycling system which is used for recycling maintenance water sprayed to a prefabricated box girder by a spraying mechanism and comprises a water collecting mechanism, a water tank and a maintenance water tank. The water collecting mechanism collects maintenance water flowing down from the prefabricated box girder and enables the maintenance water to be collected in the water tank, the water tank communicates with the maintenance water tank, and the maintenance water tank supplies water to the spraying mechanism; the water collecting mechanism comprises a supporting frame and a water collecting cover, the water collecting cover is located under the prefabricated box girder and completely covers the projection area of the prefabricated box girder in the vertical direction, the water collecting cover is obliquely arranged, the vertical height of the end, away from the water tank, of the