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Advanced Cutter Suction Dredger for Sediment Extraction in Rivers Ports and Lakes with Automatic Control
A cutter suction dredger (CSD) stands as a paragon of specialized
marine engineering equipment, playing an indispensable role in an
extensive spectrum of maritime and coastal construction projects.
Renowned for its sophisticated design and exceptional
functionality, the CSD has become the cornerstone of numerous
large-scale and intricate dredging operations worldwide.
The working process of a cutter suction dredger is relatively
straightforward. First, the cutter head rotates at high speed,
cutting and loosening the sediment on the bottom. This action
breaks up the soil, turning it into a slurry of sediment and water.
The mud pump, which creates a powerful suction force, then draws
this slurry through the suction pipe. Once inside the pump, the
slurry is pressurized and pushed through the discharge pipeline.
The pipeline can be extended over long distances, either on - board
or using floating hoses, to deposit the material at the required
location, such as a spoil ground or a reclamation site.
Key Components & How It Works
A CSD operates using a rotating cutter head + suction pipe +
discharge system:
✔ Cutter Head – A rotating device with blades or teeth that cuts
and loosens the seabed material.
✔ Suction Pipe – A large-diameter pipe connected to a high-power
centrifugal pump that vacuums up the loosened sediment.
✔ Discharge System – The dredged slurry (water + sediment) is
pumped through floating pipelines to a disposal site or processing
area.
✔ Spud Poles & Anchors – Provide stability and allow the
dredger to swing side-to-side for systematic excavation.
✔ Optional Screening & Separation – Some advanced CSDs have
onboard dewatering systems to separate water from solids.
model | YSCSD100 | YSCSD150 | YSCSD200 | YSCSD250 | YSCSD300 | YSCSD350 | YSCSD400 | YSCSD450 | YSCSD500 |
inch | 4inch | 6inch | 8inch | 10inch | 12inch | 14inch | 16inch | 18inch | 20inch |
Total power | 20-60kw | 45-100kw | 75-200kw | 90-300kw | 190-600kw | 290-800KW | 350-1000KW | 450-1200KW | 600-1500KW |
Output per hour | 30-45m³/h | 50-90m³/h | 90-120m³/h | 140-195m³/h | 225-330m³/h | 330-390m³/h | 420-480m³/h | 480-570m³/h | 540-630m³/h |
Water flow rate | 200-300m³/h | 350-600m³/h | 600-800m³/h | 950-1300m³/h | 1500-2200m³/h | 2200-2600m³/h | 2800-3200m³/h | 3200-3800m³/h | 3600-4200m³/h |
Pumping depth | 0-20m | 0-25m | 0-25m | 0-30m | 0-30m | 0-30m | 0-30m | 0-30m | 0-30m |
Lift head | 20-40m | 20-65m | 20-65m | 20-65m | 20-65m | 20-65m | 20-65m | 20-65m | 20-65m |
Transport distance | 20-2000m | 20-2000m | 20-2000m | 20-2000m | 20-2000m | 20-2000m | 20-2000m | 20-2000m | 20-2000m |
Sand discharge pipe diameter | 4"100mm | 6"150mm | 8"200mm | 10"250mm | 12"300mm | 14"350mm | 16"400mm | 18"450mm | 20"500mm |
Cutter head diameter | 600mm | 800mm | 900mm | 1000mm | 1200mm | 1300mm | 1500mm | 1700mm | 2000mm |
The cutter suction dredger can be used with many other ancillary
devices,including sand processing equipment:stone crusher,sand
screening machines,and sand washing machines,and mineral processing
equipment:iron separation equipment,gold mining and equipment,etc.
The above technical parameters are for reference only,specific
device configuration depends on the conditions of each
project,customer and technical requirements.
Worldwide shipping with professional heavy equipment logistics
partners
Shandong yongsheng dredging machinery Co.,LTD.is located in
Huanglou Street, Qingzhou City, Shandong Province, China. It has 2
production bases , total area near 2000m2, and more than 20 years
manufacturing experience in water area environmental protective
equipment. It is a professional supplier of integrated with
R&D, consultation, manufacturing and after-sale service.
Yongsheng now has obtained certification: ISO9001.