As China transforms from a big dredging country to a dredging power, dredging vessels have unprecedented development opportunity and expansion space. Cutter suction dredgers are rapidly becoming more effective, greener, and more energy-efficient. In order that cutter suction dredgers are adaptive to the landform and soil texture in complex water areas and secondary pollution is contained, this thesis develops a new type of environmentally friendly double-cutter suction dredger with SolidWorks and conducts simulation analysis based on ANSYS. Compared with the single-cutter structure, the concentration distribution at the suction outlet in the double-cutter structure has increased and the difflisivity has decreased, effectively reducing secondary pollution. When the total dredging outputs stand at the same, the double-cutter suction dredger is more energy-efficient and environmental friendly than the existing dredger, which reflects its reliability and advancement.
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