Hydraulic engineering grouting device

The utility model belongs to the technical field of hydraulic engineering, and particularly relates to a hydraulic engineering grouting device which is characterized in that a plurality of supporting rods are fixedly installed at the bottom of a box body, a feeding port is formed in the left side of the top of the box body in a penetrating mode, a plurality of ventilation ports are formed in the top of the box body in a penetrating mode, and a supporting plate is fixedly arranged on the right side of the box body; a first motor is fixedly arranged at the top of the supporting plate, the left end of the first motor is in transmission connection with a transmission shaft, a first rotating disc is fixedly arranged at the tail end of the transmission shaft, and the surface of the first rotating disc is sleeved with a belt. Impurities are filtered through the detachable filter screen plate, the quality of the slurry is guaranteed, the filter screen plate can be conveniently replaced, the slurry at the bottom can n