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  2. Trailing suction hopper dredger - Wikipedia

    en.wikipedia.org/wiki/Trailing_suction_hopper...

    A trailing suction hopper dredger [1] (TSHD) is a type of ship capable of maintaining navigable waterways, deepening the maritime canals that are threatened to become silted, constructing new land elsewhere or replacing sand eroded by storms or wave action on the beaches. This is made possible by large, powerful pumps and engines able to suck ...

  3. Airlift (dredging device) - Wikipedia

    en.wikipedia.org/wiki/Airlift_(dredging_device)

    It is a type of suction dredge. A water dredge or water eductor may be used for the same purpose. [1] Typically, the airlift is constructed from a 3-metre to 10 metre long, 10 cm diameter pipe. A controllable compressed air supply vents into the inside, lower end of the pipe (The input end always being the lower end).

  4. Dredge drag head - Wikipedia

    en.wikipedia.org/wiki/Dredge_Drag_Head

    The dredge drag head is a steel structure that is connected to the dredger by a suction pipe. Supported by the gantries and by using hydraulic winches the dredge drag head and suction pipe are let down onto the sea bottom in order to suck a mixture of water and sand. In order to dredge in waves, the suction pipe is suspended from special davits ...

  5. Three-point hitch - Wikipedia

    en.wikipedia.org/wiki/Three-point_hitch

    The other main mechanism for attaching a load is through a drawbar, a single point, pivoting attachment where the implement or trailer is not in a fixed position with respect to the tractor. The primary benefit of the three-point hitch system is to transfer the weight and resistance of an implement to the drive wheels of the tractor .

  6. List of agricultural machinery - Wikipedia

    en.wikipedia.org/wiki/List_of_agricultural_machinery

    Agricultural equipment is any kind of machinery used on a farm to help with farming. The best-known example of this kind is the tractor . From left to right: John Deere 7800 tractor with Houle slurry trailer, Case IH combine harvester, New Holland FX 25 forage harvester with corn head.

  7. Suction excavator - Wikipedia

    en.wikipedia.org/wiki/Suction_excavator

    The suction excavator uses suction fans for the airflow to suck up the material that is then transported into the holding tank. Hydro excavation, a type of suction excavator using high-pressure water jets, is sometimes referred to as daylighting, as the underground utilities are exposed to daylight during the process. [2]

  8. Ellicott Dredges - Wikipedia

    en.wikipedia.org/wiki/Ellicott_Dredges

    In 1941, Ellicott Dredges also built the dredge MINDI, a 10,000 HP, 28-inch cutter suction dredge still operating in the Panama Canal. Currently, Ellicott has sold over 1,500 dredges to 80 different countries. Their cutter dredges can be used for a variety of applications including coastal protection, sand mining, and land reclamation.

  9. Dredge valve - Wikipedia

    en.wikipedia.org/wiki/Dredge_valve

    Dredge Valve CAD Design. There are 3 cases when this vertical valve can block or reduce the mixture flow of water and sand by lowering its gate: 1.from the hopper of the TSHD to the discharge pipe. 2.from the dredge cutter head of the CSD to the ship; 3.from the dredge drag head of the TSHD to the ship

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