Through the action of centrifugal mud pump on board, a certain vacuum is generated and the excavated mud is sucked in through the mud suction pipe and discharged through the mud delivery pipe on board.
The suction dredger is equipped with a rotating reamer device at the entrance of the suction pipe. It cuts and loosens the sediment in the submerged soil by mechanical power to make more sediment to be sucked in with the water flow through the suction head, thus increasing the mud concentration and improving the dredging productivity. The working principle of the suction dredger.
Most of the cutter suction dredgers have installed the spuds and spuds hoisting cylinder, used for positioning the dredger in dredging operations, the transverse swing of the hull and longitudinal forward movement, etc.
Cutter suction dredgers are a combination of mechanical dredgers and hydraulic dredgers.
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