The Cutter Suction Dredger (CSD) is an efficient and continuous underwater dredging vessel, widely used in port construction, waterway maintenance, land reclamation, water conservancy projects, and environmental dredging.

The operation begins with the cutter head spinning at high speed to loosen seabed sediment, creating a water-sediment slurry. The powerful mud pump then draws this mixture through the suction pipe, pressurizes it, and propels it through an extensive discharge pipeline for precise deposition at designated locations.

Note: Technical parameters are for guidance only. Equipment configuration will be tailored to meet specific project requirements and conditions.

• Excavation: The rotating cutter head with sharp teeth cuts and pulverizes submerged materials into manageable substances.
• Suction: The powerful mud pump creates vacuum to draw in water and loosened materials through the suction pipe.
• Transportation: The mixture is pressurized and conveyed through the dredger's pipeline system.
• Discharge: Materials are deposited either through direct shore discharge or loaded onto barges for transport.

• Cutterhead: Supports excavation with adjustable depth control (over 50m maximum)
• Bridge: Supports cutterhead with swing capability for wider excavation
• Dredge pump system: Maintains high-concentration slurry delivery over long distances (up to 10km)
• Discharge pipeline: Combination of floating and submersible pipes with energy dissipation
• Anchor winch: Precisely positions the vessel for grid-based construction
• Control console: Integrated with automated systems for real-time monitoring

• Port and waterway construction: Deepwater channel excavation, new port foundation trench
• Land reclamation: Island construction (capable of 4,500m³/hour sand/soil blowing)
• Environmental governance: Polluted sediment cleaning, river ecological restoration
• Mining and resource extraction: Subsea mineral mining (phosphate rock, tin sand, etc.)

• Company Profile
  

Shandong Yongsheng Dredging Machinery Equipment Co., Ltd., established in 1995, is a comprehensive manufacturer specializing in R&D, production, and sales of cutter suction dredgers and aquatic weed harvesters. Located in Qingzhou City, Shandong Province, China, the company holds ISO9001 certification and supports SGS factory inspections.