Urban flood drainage network

The utility model discloses an urban flood discharge network which comprises a flood discharge groove, shear walls are arranged at the left end and the right end of the flood discharge groove, a fixedflow limiting plate is fixedly connected to the rear end of the inner side of the flood discharge groove, a screen is fixedly connected to the lower end of the fixed flow limiting plate, and a firstmovable flow limiting plate is movably connected to the middle of the inner side of the flood discharge groove. The lower end of the first movable flow limiting plate is fixedly connected with a sedimentation net, the front end of the inner side of the flood discharge groove is movably connected with a second movable flow limiting plate, and the lower end of the second movable flow limiting plateis fixedly connected with a sterilization net. The urban flood discharge net can be used as a sewage discharge ditch in dry seasons, the environment-friendly performance of sewage discharge is guaranteed through a three-layer f