China expects to deliver Asia's largest self-developed and designed rake suction dredger in 2026
The first production ship of 30,000-square-foot-class giant rake suction dredger developed and designed by China Shipbuilding Group's Seventy-Eighth Research Institute is expected to be completed and delivered in the first half of 2026, and the ship will be the largest rake suction dredger in Asia after completion.
National ship design masters, China Shipbuilding Group, China Shipbuilding Group Seventy-eighth Research Institute, the chief expert Fei Long recently in the China Shipbuilding Group 2024 state-owned enterprises open day activities on the news agency reporter made the above statement.
According to reports, according to the design, the ship's overall length of about 195 meters, type width 38.5 meters, type depth 18.0 meters, dredging draft of 13 meters, the maximum mud chamber capacity of about 35,000 square meters, the maximum dredging depth of 120 meters, the use of steel welded, bulbous nose bow, double tail fins and advanced “one tow two” composite drive mode, equipped with double conduit propeller, It is equipped with double conduit propellers, double rakes, double underwater pumps and bilge pumps, and has the operational functions of single and double rake dredging and loading, mud gate unloading, single and double pump bow blowing and double bow spraying discharging from the shore, as well as the advanced and intelligent dredging control system, and the capacity of using methanol fuel is reserved. The vessel is mainly suitable for dredging, blowing and filling as well as deep-water sand extraction projects in the Yangtze River Estuary, Pearl River Estuary and other coastal harbor waterways.
“There are currently 10 rake suction dredgers with more than 30,000 square meters in the world, but we are still in a blank state in this kind of high-end dredging equipment.” Fei Long said the development of the ship will make up for China's equipment gap in 30,000-square-foot-class giant rake suction dredgers.
China Shipbuilding Group Seventy-eighth Research Institute from the 1990s began to get involved in the field of dredging equipment development and design, up to now, independent research and development design and delivery of more than 40 small and medium-sized rake suction dredger, realizing China's small and medium-sized rake suction dredger ship type from the import of the whole ship to the independent research and development of the leap.
The giant dredger is invested by China Communications Construction Group and constructed by Shanghai Zhenhua Heavy Industry Qidong Marine Engineering Co., Ltd, which represents the highest level of high-end dredging equipment design and construction in China. Fei Long said that the completion of this project will further enhance China's technical level in the research, development and manufacturing of high-end dredging equipment, and improve the construction equipment level of Chinese dredging companies as well as their competitiveness in the international dredging market.
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