Silt promoting device

The utility model provides a siltation promoting device, which relates to the technical field of coastal zone renovation and repair, and comprises a first bank fixing assembly and a first culture medium, the first bank fixing assembly is connected with the first culture medium, and the first bank fixing assembly is used for adsorbing reef-making organisms; the first culture medium is used for cultivating algae; the siltation promotion device solves the technical problem that ecological siltation promotion is difficult for underwater construction; the reef creatures can diffuse and grow on thefirst bank fixing assembly; forming a biological reef, the water flow resistance can be increased, facilitating sediment deposition, the first bank fixing assembly and the first culture medium can beboth placed underwater, underwater construction is facilitated, the beach surface can be promoted to rise in an ecological mode, and generation of a natural coastline outside a seawall is acceleratedunder the combined action o