Intelligent spraying and water curing system for outdoor storage yard of precast concrete products

An intelligent spraying water curing system for an outdoor storage yard of precast concrete products comprises a stacking platform, a plurality of spraying columns are arranged on the upper side of the stacking platform, drainage grooves are formed in the upper side of the stacking platform at equal intervals, a main drainage groove is formed in one end of each drainage groove in the length direction, and all the drainage grooves communicate with the main drainage groove; a three-stage sedimentation tank and a water storage tank are arranged on the stacking platform, one end of the main drainage tank is connected with a sewage inlet of the three-stage sedimentation tank, a water outlet of the three-stage sedimentation tank is connected with the water storage tank, a municipal tap water inlet valve and a water outlet pipe are arranged in the water storage tank, a water pump is connected to the water outlet pipe in series, and the other end of the water outlet pipe is connected with each spraying column through