22 inch( 4000m3/h) Cutter Suction Dredger / Sand Dredging Ship
Cutter Suction Dredger Product Description
The core function of the cutter suction dredger lies in its unique cutter suction system, which uses a rotating cutter to excavate underwater soil. Combined with the negative pressure suction generated by a centrifugal mud pump, the slurry is extracted and discharged to a designated area through a long-distance pipeline.
This type of vessel integrates excavation, transportation, and discharge, offering continuous operation capabilities and significantly improving construction efficiency.
Key components include:
Cutter System: The cutter head, made of wear-resistant alloy, features replaceable teeth to adapt to various geological conditions (such as sand, clay, and even rock).
Positioning System: The stern is equipped with positioning spuds and lifting devices, which work in coordination with anchor winches and steel cables to secure the vessel and enable fan-shaped swinging, ensuring operational precision.
Power System: Powered by high-capacity diesel engines or electric drives, it provides the necessary energy for cutter rotation, mud pump suction, and vessel movement.
Discharge Pipeline: Made of corrosion-resistant materials like HDPE, it supports long-distance transportation (up to several kilometers), reducing intermediate transfer steps.
Modern cutter suction dredgers are also equipped with intelligent navigation and automated control systems, enabling real-time monitoring of operational depth, discharge distance, and other parameters to adapt to complex environments.
Their design emphasizes modular manufacturing, ensuring structural strength and durability through high-precision welding and segmented assembly.
CSD550 Cutter Suction Dredger Parameter
| Model | YLCSD-550 | Height | 2.2m |
| Slurry Capacity | 4000m3/h | Dredging Depth | 15m or more |
| Slurry Concentration | 15-20% | Discharge Distance | 1500m or more |
| Length Overall | 39m | Engine | Cummins or Weichai |
| Breadth | 7.5m | Self-propelled | Can be customized |
Cutter Suction Dredgers Detailed Photos
Cutter Suction Dredger Product Features
| Feature Category | Core Components | Functions & Characteristics |
|---|---|---|
| 🚜 Excavation System | Cutter System | Manufactured with wear-resistant alloy and equipped with replaceable cutter teeth. Available in various types (such as general-purpose, clay, rock-cutting, and heavy-duty rock-cutting cutters), capable of adapting to multiple geological conditions from sand, clay to rock with hardness up to 50 MPa. |
| 📤 Suction & Discharge System | Mud Pump & Pipeline | Utilizes centrifugal mud pumps to generate negative pressure suction. Features high-power configuration, with mud pump transmission power reaching up to 17,000 kW. Combined with discharge pipes made of corrosion-resistant materials like HDPE, it enables long distance transport (up to 15 km), reducing intermediate transfer steps. |
| 🎯 Positioning & Mobility | Positioning System | The stern is equipped with positioning spuds and lifting devices, which work together with anchor winches and steel cables to secure the vessel and enable fan-shaped swinging. Advanced models also adopt dual systems of spud carriage and three-wire positioning, significantly enhancing resistance to wind and waves and operational stability in complex sea conditions. |
| ⚙️ Power & Drive | Power System | Equipped with high-power diesel engines or adopts fully electric drive systems to provide power for the cutter, mud pump, and vessel movement. Features high total installed power , supporting heavy-duty operations. |
| 🧠 Intelligent Control | Automation System | Modern cutter suction dredgers are equipped with intelligent navigation and automated control systems, enabling real-time monitoring of operational depth, discharge distance, and other parameters. Some models can achieve automated dredging and unmanned operation. |
Successful Cases
Yongli Dredger Certifications
Company Introduction
Qingzhou Yongli Mining And Dredging Machinery Co., Ltd. is located in Qingzhou City, Shandong Province, one of the ancient nine states. We are a professional manufacturer and supplier of dredging vessels and mining equipment that integrates scientific research, development, design, production, installation and commissioning, and personnel allocation services.
Dredging vessels include: cutter suction dredgers, bucket wheel dredgers, jet suction dredgers, siphon sand dredgers, drilling suction sand dredgers, chain bucket sand dredgers, amphibious dredgers, backhoe dredgers, multifunctional work boats, self-suction and self-unloading barges, transport barges, sand sieving and washing equipment, etc.
The mining equipment includes: floating production platform, bucket chain gold/diamond dredger , jet suction gold/diamond dredger, cutter suction gold/diamond dredger, land-use gold/diamond washing plant, as well as an integrated production line for mining and mineral processing in water and on land. It can also be customized according to the mineral types provided by customers.
We are High and New Technology Enterprise, have obtained the production license for ships of Class III Grade Two from CCS China Classification Society, joined the China Dredging Association and Shandong Shipbuilding Industry Association, obtained the ISO9001-2015 quality management system certificate, and obtained more than 30 patent certificates for inventions and
