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The difference between cutter suction dredger and trailing dredger

The difference between cutter suction dredger and trailing dredger

 What is the difference between a cutter suction dredger and a trailing suction dredger? Here are seven differences:
First, digging depth comparison: Cutter suction dredger, the maximum depth of 25-30 meters; suction dredger, the maximum depth of digging beyond 35 meters.
II. Differences in work scope: Cutter suction dredgers are suitable for dredging in inland lake areas and coastal ports where wind and waves are low, and their flow velocity is low. Suction dredgers are strong against wind and waves and are very suitable for use in coastal ports, waterways, and wide rivers. Ship anchorage operations.
Third, compare the suction head structure: cutter suction type, from the suction tube, plus the front circling suction tube installed around the rotating reamer equipment; sucking type, from the suction pipe, plus the front end of the same as the cattle plow field composition.
Fourth, cost comparison: Cutter suction dredgers are classified as affordable dredgers; while the dredging dredgers are relatively expensive, the cost of domestic type dredging dredgers is approximately 20,000 yuan/cubic meter. (Palm cabin capacity per cubic meter) around.
V. Comparison of Offshore Span: Cutter suction dredgers are required to transport sediment out of the edge of the dredge. The sludge interval is generally about 1,000 meters. The operation interval is limited; the trailing suction dredger really gathers all the dredging equipment. One, independent operation, a wide range of operations.
VI. Comparison of construction requirements: Cutter suction type dredgers, due to the need to drain mud, under anchorage cables, will affect other ships, generally require the closure of the port; Suction dredgers, independent operations, do not have to seal the port, the port production is almost free influences.
7. Comparison of dredging components: Cutter suction dredgers are suitable for excavation of various types of soil; trailing suction dredgers are suitable for excavating the bottom of silt, clay and sandy soil.


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