Closed construction waste flushing equipment

The utility model relates to the field of environment-friendly mechanical equipment for garbage treatment. The closed construction waste flushing equipment comprises a cleaning box, a filtering box and a settling box which are connected in sequence, a spraying system is mounted on the cleaning box, the spraying system comprises a spraying pipeline and a spraying head which are connected in sequence, and the spraying head is mounted on the inner side of the cleaning box; a water outlet is formed in the bottom of the cleaning box; the cleaning box is higher than the filter box, a water outlet of the cleaning box is communicated with a water inlet of the filter box, and a grating net is mounted between the water inlet of the filter box and the water outlet of the filter box; a water outlet of the filtering box is butted and communicated with the settling box through a conveying pump; a supernatant discharge port is formed in the top of the settling tank and is communicated with the storage barrel; a bottom mud o