Company Details

  • Unisite Group Ltd.

  •  [Zhejiang,China]
  • Business Type:Manufacturer , Trade Company
  • Main Mark: Middle East , West Europe , Americas , Asia , East Europe , Europe , North Europe , Oceania , Worldwide
  • Exporter:91% - 100%
  • Certs:ISO9001
  • Description:Grab Marine Dredger,Grab Marine Dredgers,Grab Marine Dredger Design
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Unisite Group Ltd.

Grab Marine Dredger,Grab Marine Dredgers,Grab Marine Dredger Design

Home > Products > Dredger > Grab Dredger > Grab marine dredger design

Grab marine dredger design

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    Payment Type: L/C,T/T
    Incoterm: FOB,CFR,CIF
    Min. Order: 1 Piece/Pieces
    Delivery Time: 30 Days

Basic Info

Model No.: USA-135

Grade: Grade A-D(BV,DNV,GL,LR,CCS) Or Other Materials

Certificate: BV CCS

Dimension: As Per Drawing/order

Tolerance: High Accuracy(ISO2768, ISO5817, ISO13920)

Inspection: Material, Construction, Dimension, Welding Seam, N

Standard: AISI, ASTM, BS, DIN, GB, JIS

Marine Engineering: Dredging Support

Material: Grade A-D(BV,DNV,GL,LR,CCS) Or Other Materials

Application: Dredger

Grab Marine Dredger: Grab Marine Dredgers

Additional Info

Packaging: bulk package and bulk vessel transportation

Brand: UniSite

Transportation: Ocean,Land

Place of Origin: china mainland(zhejiang)

Certificate: CCS/ISO/BV

Product Description

Grab Dredger using a rotary boom and rope Dredger to hang buckets; Grab its own weight in the role, crawl into the seabed soil. Then start fighting rope winch, skip rope through the pulley at the top of the boom, will grab off, then turn the dredge rises to a predetermined point (or mud Barge) to remove the mud. Dredging and excavation sites reversed, dredging, so the cycle of operation. Grab dredger is mainly used for digging clay, silt, hatching stone, should grab the sand and silt.

Grab marine dredger design


General
Such as dredger (Trailing suction, cutter suction, bucket, grab, shovel stone, mud and stone)
With strategic partnerships with DONGPENG shipyard, UniSite is able to provides the construct, repair and maintenance service as well as kinds of dredger equipment.

Construction

The construction is to be built according to the drawing with rules of good workmanship and to be built the longitudinal frame system.
All penetrations of longitudinal through transverse bulkhead are closed with slot plate or stiffeners are interrupted at bulkhead and continuity is realized with brackets, to ensure to avoid any abrupt changes in strength structures.

Materials
All fabricated steelwork used in the construction of the dredger will be to manufacturing standard of UniSite or other classification society.
All steel used to be blasted and shop primed both sides.
All materials proposed will be selected to comply with the latest Health and Safety Rules.
Paint systems for hull protection will be of the highest quality (Hempel, Inter, Sigma, Jotun)



Application of the grab dredgers
The large grab dredgers are used for bulk dredging. While the smaller ones are mostly used for special jobs, such as:
• Difficult accessible places in harbors
• Small quantities with strongly varying depth.
• Along quay walls where the soil is spoiled by wires and debris
• Borrowing sand and gravel in deep pits
• Sand and gravel mining
• Dredging in moraine areas where big stones can be expected.
The production of a grab depends strongly on the soil. Suitable materials are soft clay, sand and gravel. Though, boulder clay is dredged as well by this type of dredger. In soft soils light big grabs are used while in more cohesive soils heavy small grabs are favorable.
The dredging depth depends only on the length of the wire on the winches. However the accuracy decreases with depth. For mining of minerals dredging depths can reach more than 100 m.

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Photos of our Grab marine dredger design

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Product Categories : Dredger > Grab Dredger

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