Hydraulic engineering desilting device capable of adjusting cleaning precision

The utility model relates to the field of hydraulic engineering, and discloses a hydraulic engineering desilting device capable of adjusting cleaning precision, which comprises a box body, a control panel is arranged at the upper part of the center of the front end face of the box body, a handrail is arranged at the center of the front end face of the box body, and a lifting moving module is arranged on the lower end face of the box body. A sludge extracting and discharging module is arranged at the rear position of the center of the upper end face of the box body and the center of the end face of the box body, a sucking and spraying module is arranged at the upper position of the center of one side wall of the box body and in the box body, a dredging module is arranged at the upper position of the center in the box body, and a sludge treatment module is arranged at the lower position of the center in the box body; and heaters are arranged at the lower parts of the centers of the two inner side walls of the b