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The chain bucket dredger uses a dredging bucket mounted on two parallel steel cables to excavate sediment, and uses a chain wheel and steel cable at the top of the bucket tower to pull the dredging bucket for excavation and unloading. This type of ship is suitable for excavating harder soil. The grab dredger uses a large grab to directly grab sediment, suitable for excavating harder soil or salvaging underwater objects.

The rake suction dredger sucks in sediment through suction pipes and transports it to the mud tank on the ship. This type of ship is suitable for operation in wide and sandy waters. The cutter suction dredger uses a cutter device to cut the sediment and transport it to a designated location through a mud pump and pipeline. It has strong excavation ability and is suitable for various complex water environments.

Dredgers play a crucial role in modern water construction. In the port expansion project, dredgers can quickly remove silt and obstacles from the waterway and harbor, providing safety guarantees for the passage of ships. In river dredging projects, dredgers can effectively remove sediment and sediment from the riverbed, restore the navigation and flood discharge capacity of the river. In addition, dredgers are widely used in fields such as marine engineering, coastal protection engineering, and reservoir construction.

In the vast ocean and vast rivers and lakes, there is an unknown yet crucial role - the dredger. It is not only a powerful assistant in water construction, but also a key force in river dredging, port expansion and other projects. This article will take you in depth to understand the working principle, types, and applications of dredgers in modern engineering.