Basin flood routing visual simulation device

The invention discloses a basin flood routing visual simulation device which comprises a visual box body and a simulation sand arranged in the visual box body, two first sliding holes are symmetrically formed in the side wall of the visual box body, a water spraying pipe is arranged on one first sliding hole in a sliding mode, and the other first sliding hole is provided with a water spraying pipe in a sliding mode. A sand blocking box for containing water flow is arranged on the other side of the visible box body, a water discharging pipe for discharging water located in the sand blocking box is arranged below the sand blocking box, the water discharging pipe is communicated with the water spraying pipe through a second hose, a sand filtering mechanism is arranged in the sand blocking box, and a sand sucking mechanism is arranged above the sand filtering mechanism. A sand blasting opening is fixed to the bottom of a second sliding block, the sand blasting opening is connected with a sand suction mechanism th