Jet suction boat, the main components of this boat are a high-pressure water pump and a sand suction pump.Small dredgerare generally used in small rivers, and the pumping depth is less than 20 meters, the sand output is small, and the cost is low.The submersible slurry pump is equipped to work underwater. The submersible dredgeris a dredging boatwith a pumping depth of up to 30 meters.The grab dredgeris used for subsea operations.It is a highly efficient and wear-resistant dredger, which is generally used. Cutter suction dredgeris a kind of ship that is widely used in beach dredging projects at present, and it can be continuously completed at one time.Place the anchor cables dropped from the front, back, left, and right to make the hull move forward or swing left and right for dredging work. The bucket chain dredgeruses a series of bucket chains with buckets, driven by the upper guide wheel, and continuously rotates on the bucket bridge, so that the bucket can dredge underwater and lift it above the water surface.The excavation carried out in either shallow or fresh waters with the aim to gather up the sediments located in the bottom to dispose off at another place is called Dredging.ġ The trailing suction dredging boat is suitable for operation in coastal ports, wide rivers and ship anchorages. from the seabed is referred as dredger ship or more commonly a dredger.ĭredger are of great importance, as they serve the purpose of ensuring the necessary safe bottom clearance for the safer voyages. In a more general sense, a ship equipped with excavation tool which is capable of weeding off depositions such as sand, gravel, sediments, etc. A marine vessel fitted with a device(s) to scrap or suck the sediment deposition over sea bed is known as a dredging boat (The device used for excavation and scraping of the sea bed is called the Dredge).
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