On September 8th, Shanghai Zhenhua Port Machinery (ZPMC) successfully held the keel-laying ceremony for the 25,000 cubic meter class ultra-large trailing suction hopper dredger at its Qidong Offshore Engineering Base.
This dredger is China’s first self-propelled trailing suction hopper dredger featuring a distributed in-hull mud pump design. It was independently designed and developed in China, with investment from CCCC Shanghai Dredging, general contracting by the National Engineering Research Center of Dredging, and design by Marine Design and Research Institute of China (MARIC) of China State Shipbuilding Corporation.
This vessel measures 180 meters in overall length, 36 meters in beam, and 17.2 meters in draft, with a maximum dredging depth of 120 meters. The mud hold boasts a maximum capacity of 27,580 cubic meters, featuring a twin-engine, twin-propeller and twin-dredge design. It integrates “one-button dredging” and “dredging-steering integration” systems, enabling “unmanned dredging” under typical operating conditions.
This vessel reduces carbon emissions by over 20% compared to traditional vessels. Its onboard distributed mud pump system and dual-bow jetting technology not only boost dredging efficiency by 30%, but also enable low-carbon management throughout the entire dredging process.
This vessel is widely used in deep-sea sand extraction and coastal deep-water port channel dredging, reclamation and coastal maintenance projects. After the project is completed and delivered, it will form the world’s leading ultra-large trailing suction hopper fleet together with the “Tongjun” and “Junguang”, providing more solid guarantees for China’s port construction, channel maintenance and infrastructure construction.