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Comparison of suction dredgers and cutter suction dredgers

Comparison of suction dredgers and cutter suction dredgers

Cutter suction dredgers are widely used in port, channel dredging and dredging projects. The distance between the dredging dredger and the dredging yard is generally smaller than that of the suction dredger. The biggest advantage of using a cutter suction dredger is the ability to obtain accurate excavation summaries.

        The cutter suction dredger is ideal for excavating various types of soil, which of course depends on the configuration of the cutting power. The cutter suction dredger has a wide range of types and sizes, and the cutter head power can be as low as 20 KW and up to about 4000 KW. However, the dredging depth is generally limited, and the maximum digging depth is 25 to 30 m. The minimum dredging depth generally depends on the draft depth of the hull (floating ship).

        The cutter suction dredger is a static dredger. There are at least two sets of anchoring systems that are important to the excavation process. However, the anchor cable has hindered the flight of other ships. Some large cutter suction dredgers have been installed with a propeller system to reduce the risk of being caught. The propeller system can be used to assist the cutter suction dredger from the excavation area and, of course, assist in cutter suction dredging. The ship moves from one work point to another.

        Small and medium-sized cutter suction dredgers can be made detachable. This method is more suitable for transportation from road to inland area and waterless road, such as sanding roads and excavating sand and gravel for construction companies.

        The cutter suction dredger with the wave compensator installed can be constructed in open water with waves, which is clearer than the suction dredger.

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