Unisite Group Ltd.
86-574-87053650
Unisite Group Ltd.
86-574-87053650
Product Categories
(Total 12 Products for Steel Trailing Hopper Suction Dredger)
Suction trailing hopper dredgers
A Trailing Suction Hopper Dredger (TSHD) is mainly used for dredging loose and soft soils such as sand, gravel, silt or clay. One or two suction tubes, equipped with a drag head, are lowered on the seabed, and the drag head is trailed over the bottom. A pump system sucks up a mixture of sand or soil and water, and...
These operations are carried out during the voyage , while digging edge flight, heading for the hopper filled to throw mud mud area, through the mud bilge cases out the door. Shiploads are trailing suction hopper with its capacity to indicate the size specifications, the general compartment volume is 500 ~ 1000m3. The...
Bottom door are generally installed in the bottom of the hull of a vessel can be opened and closed through human or mechanical (electrical, hydraulic). Different types of Bottom door its control, opening and closing time (speed), the degree of opening of the open, dredged material by ability has its own...
Customized dredger turning glands
Turning glands are designed to allow pipes and components to safely rotate around their axis, ensuring enhanced manoeuvrability and greater safety, even under heavy working conditions. They are available in three types:Ball-turning gland with packing (BTG) ,Disc-turning gland and Turning gland with rubber lip seal....
Steel dredger turning gland design
Carbon Steel and Carbon Manganese Steel are the Materials used for the production of pipe and flanges of the dredge turning glands. Cast Iron is used for the production of the sliding pieces of the dredge turning glands. It's application include trailing suction pipes, unloading pipes, swivel and swan-neck bends in...
Marine cutter dredger ladder design
The cutter ladder front parts are of a pipe or a box-type rigid design, complete with the cutter drive motor, cutter shaft, cutter shaft bearing and side wire swivel blocks. The unit can simply be mounted to the ladder of the dredge, connect hydraulics, greasing and flushing water and is then ready for use. The unit's...
The box-type design is best suited for mounting a submersible dredge pump. This is a stronger design for heavy duty and longer wear life, because the box-type makes the whole cutter ladder heavier than the pipe-type. The use of a submersible pump allows for a larger dredged density at depth. Introduction of Unisite...
Marine cutter suction dredgers ladders
For easy removal of the cutter head, the ladder front piece is fitted with an eye to lock the cutter and unscrew it by reversing the hydraulic motor. In case this does not suffice, the assembly also has a `flame cut ring. After cutting away this ring, the cutter head will be loosened on the thread of the shaft....
Steel marine dredger pump for sale
The underwater dredge pumps are used in cases where the highest possible suction performance is required. They basically have the same possibilities and options as our single-walled pumps have. Depending on our clients' preference they are executed with direct motor drive or integrated gearbox, with or without...
A bucket dredger is equipped with a bucket dredge, which is a device that picks up sediment by mechanical means, often with many circulating buckets attached to a wheel or chain. Some bucket dredgers and grab dredgers are powerful enough to rip out coral to make a shipping channel through coral reefs. Area of...
Grab dredger divide into self-propelled and non self propelled . Self propelled generally hopper belt, mud tank filled from airlines to mud area dumping; non self propelled by mud barge clay loading and unloading mud: use of wire rope grab dredger, relying on the action of gravity, into the water to a certain depth,...
A grab dredger picks up seabed material with a clam shell bucket, which hangs from an onboard crane or a crane barge, or is carried by a hydraulic arm, or is mounted like on a dragline. This technique is often used in excavation of bay mud. Most of these dredges are crane barges with spuds. The grab dredger is the...
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