1.Technical Specification
| Overall length*width*height | 32*5.2*1.8m |
| Dredge depth | 15-20m |
| Clear water flow | 500m3/hour |
| Slurry concentration | 15%-20% |
| Sand capacity | 100 cubic meter per hour |
| Average draft | 0.8m |
| Maximum draft | 1.0m |
| Discharge distance | 0-1000m |
| Engine brand | Cummins |
| Installed power | 298kw |
2. Brief Introduction
A Cutter Suction Dredger (CSD) is a specialized vessel designed for underwater excavation, primarily used in port construction, waterway maintenance, and land reclamation projects. It operates by using a rotating cutter head to loosen soil or sediment, which is then suctioned through a pipe and transported to a designated location
Key Features and Functionality
1.Cutter Head Mechanism: The cutter head breaks up compacted soils (e.g., clay, rock, or sand) before suction.
2.Dredging Depth: Capable of operating in depths ranging from -1 meter to -25 meters below the water surface.
3.Mobility: Many CSDs are dismountable, allowing transport by truck or rail to remote sites.
4.Power Options: Available with electric or hydraulic motors, and some models use dual-fuel (LNG/diesel) for eco-friendly operations
5.Applications: Used in river/lake dredging, coastal maintenance, and deep-sea mining
3.Company Information
Qingzhou Yongli Mining And Dredging Machinery Co.,Ltd,which is one of China leading suppliers in cutter suction dredger,jet suction dredger,bucket chain dredger,gold & diamond dredger,sand washing plant,transport barge and so on. Now our company's product are widely exported to Bangladesh,Maldives,Philippines, Nigeria, Ecuador,Congo and other countries and regions.
4. Main Products
Cutter suction dredger
Jet suction dredger
Bucket chain sand dredger
Bucket chain gold dredger
Suction gold dredger
Backhoe dredger
Work boat
Amphibious dredger
5.Application
Cutter suction dredgers (CSDs) are versatile vessels widely used in various dredging and construction projects. Here are their primary applications based on the provided references:
1. Port Construction and Maintenance
CSDs are deployed for building and maintaining ports, ensuring navigable depths and berthing areas by dredging materials like sand, silt, clay, and rock.
2. Land Reclamation
They play a key role in creating new land by dredging and transporting material to designated areas, often using floating pipelines or barges.
3. Coastal Defense and Riverbank Protection
CSDs help stabilize shorelines and prevent erosion by dredging and reinforcing coastal and riverbank structures.
4. Pipeline and Trench Dredging
They are used to excavate trenches for underwater pipelines, ensuring proper installation and protection.
5. Sand and Mineral Mining
CSDs are employed in sand mining operations, with models like the CSD500 designed for efficient sand extraction in rivers, lakes, and coastal areas.
6. Deep-Sea Mining (Exploratory Use)
While controversial, CSDs are being explored for deep-sea mineral extraction, though regulations are still under development














