Drainage simulation device for municipal water supply and drainage design

The utility model relates to the technical field of municipal drainage simulation, and discloses a drainage simulation device for municipal water supply and drainage design, which comprises a transverse plate, a supporting side plate is arranged on the left side of the top of the transverse plate, and two supporting rods which are symmetrically distributed front and back are arranged on the right side of the top of the transverse plate. A box body with one end fixedly connected with the top of the right supporting rod is arranged at the top of the supporting side plate on the left side, a liquid collecting box with one end extending to the position between the supporting side plate and the supporting rod is arranged at the bottom of the inner wall of the box body, and a sand table is arranged on the inner wall of the box body; a water spraying assembly with one end extending into the box body and located above the sand table is arranged at the top of the box body, and a water pumping assembly with one end pen