Other types of dredging machines include jet-lift dredgers and air-lift dredgers, augur suction dredgers, land reclamation dredgers, pneumatic dredgers, amphibious dredger, clamshell dredger, water injection dredger, plough and bed leveler Shipping Your Dredge Trailing suction hopper dredger, Profile or plain suction dredger, cutter suction dredger (bucket ladder dredger) OTHER DREDGERS These dredgers are most suitable to move fine materials as heavy gravels are difficult to move by suspension. Materials are picked by the suction inlet in a suspension form, powered by a pumping system that raises and feeds them through the suction pipe to outlet pipes. These include bucket dredgers, bucket ladder dredgers, grab dredgers, backhoe dredgers,, etc. They are fitted with a bucket or grab to pack up dredged material and dispose to a designated disposal site. They work based on the principle of "hand-packing". They are also used in environmental dredging, the creation of new harbors, removal of contaminated sediment from sea beds, reclamation of areas damaged by oil spills, in gold and coal mining, and for maintenance dredging.ĭredgers are built based on the specific functions they are expected to perform therefore they fall into two major categories: mechanical dredgers and hydraulic dredgers. These sediments are removed to ease water navigation, enhance fishing, and replenish sand washed by erosion on beaches. Types of Dredgersĭredgers are built for sediment removal in shallow or fresh waters. You may have an auger suction system, bucket dredger, or backhoe dredger - or one of the other styles (1). It's also carried out by many different types of equipment, which fall into two main categories of either suction or mechanical dredging. Dredging is the term meaning to take material underwater, and transfer it to another location within the same waterway or body of water - and it has many applications.
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