Glossary Archive - Page 4 of 13 - Start Dredging

Glossary

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    • Discharge

      A trailing suction hopper dredger can empty its hopper in various ways. Depending on the project specifications, the discharge takes place by opening the hopper doors, pumping the material to shore or by ejecting it using a rainbow installation.

      For a cutter suction dredger transport of dredged materials goes through pipelines. With several pumps placed in series the dredged materials can be transported by pipelines over long distances.

       

    • Draghead

      At the entrance of each suction arm of a trailing suction hopper dredger (TSHD), a draghead is connected. This draghead collects the soil just like the mouth of the vacuum cleaner at home. As the first point of contact with the soil a draghead is of vital importance to the entire dredging process and it comes in many forms. Dragheads can be fitted with tools such as water jets, blades and rippers.

    • Dredging

      Dredging can be defined as the underwater removal of soil and its transport from one place to another for purposes of deepening or making profitable use of the removed soil.

    • Dredging control systems

      Dredging control systems enable efficient monitoring and control of vital dredge process equipment either manually, automatically or through the use of artificial intelligence.

    • Dredging wheel

      A dredging wheel is a special type of equipment used on cutter suction dredgers or specialized wheel dredgers to excavate soil. The wheel consists of a crown of bucket shaped blades, rotating in the direction of the ladder. Dredging wheels can be used for different soil types, from peat and clay to sand and so rock. Due to its operational features like high concentration dredging and high selectivity, a dredging wheel is often used in mining applications.