China Efficient Chain Bucket Dredger Vessel Iron/ Gold Sand Dredger for River Sand The Design of the Hengpeng shipyard Chain Bucket Iron Sand Dredger considers efficiency, durability, and adaptability, and can handle various environmental and geological conditions. The screening system uses specific technical processes based on the magnetic differences of iron ore, such as strong magnetic iron ore dressing process flow and weak magnetic dressing process flow, to ensure efficient extraction of iron ore from sand and gravel. HENGPENG SHIPYARD DREDGER TECHNICAL PARAMETERS Capacity : 120m�³/h Dredging depth : 3-5m Discharge Distance: 18m Main Engine : 100KW Cummin-s Operation System : Electric control Selection materials : Iron Iron Selection Rate : 95%