All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

About dredging barge for sale

Types of dredging barge for sale

A dredging barge is a platform used for carrying out dredging operations to make certain water bodies deeper for navigation, laying underwater pipelines, maintenance of flood control systems, extraction of minerals like sand and gravel, and altering the configuration of the seabed.

Dredging barges can be categorized according to the type of dredger mounted on them.

  • Dredging cut barge: A dredging cut barge transports an instrument called the dredging cutter (a circular saw-like equipment) that is used to cut into the seabed. Once the material has been cut, it can be pumped out or transported through other means on the dredging cut barge.
  • Cutter suction dredge (CSD) barge: The CSD is one of the most widely used dredging machines. It has a cylindrical cutterhead mounted on a suction pipe. The cutterhead first breaks up the material in the water body or seabed, and then the material is sucked up by the suction pipe and pumped out through a discharge pipe to a designated location.
  • Draging hopper barge: A drag hopper dredger works by using a drag head fitted with a pump. The drag head is towed along the seabed or riverbed, usually by cables or chains. Once the material is gathered by the drag head, it is sucked up and pumped out.
  • Riverse dredge barge: The riverse dredger operates by using a propeller-driven pump. The dredging material is mixed by the pump propeller in the water body and sucked up through an outlet pipe.
  • Bucket ladder dredge barge: As the name suggests, this dredging barge uses a large bucket ladder to gather material from the water body or seabed. The buckets on the ladder scoop up material, and once the ladder rotates, the material is dumped out.\

Specifications and maintenance of dredging barges for sale

These are some typical specifications for dredging barges for sale and their corresponding dredgers.

  • 5000M3 cargo hold volume

    An example of a dredging barge with a 5000M3 cargo hold volume is:

    5000m3 Drager Barge (BOMCO, XCMG, or customized dredger with dredging depth of 15m, or 20m, or 30m; up to 40m, or more, open to discussion)

  • 7500M3 cargo hold volume

    An example of a dredging barge with a 7500M3 cargo hold volume is:

    7500m3 Dredging Barge, 3 Sets of Dredgers (attach to dredging machines); detachable, Dredging Depth: 30m up to 40m, or more, open to discussion, e.g., Dredging Machine + Dredging Barge)Cargo Hold Volume: 7500m3;Length x Breath x Depth: 70.50m x 20.00m x 5.00m;Total Tonnage: 3981; Dredging Area: Zhanjiang, Guangdong, China

  • 10000M3 cargo hold volume

    An example of a dredging barge with a 10000M3 cargo hold volume is:

    10000m3 Dredging Barge, Layup Hotel;Length x Breath x Depth: 80.50m x 26.00m x 5.60m;Total Tonnage: 6626; Dredging Area: Jiangyin Jiangsu China

  • 15000M3 cargo hold volume

    An example of a dredging barge with a 15000M3 cargo hold volume is:

    15000m3 Dredging Barge; Detachable Nacelle( constitue e.g., Dredging Machine + Dredging Barge);Length x Breath x Depth: 92.50m x 29.00m x 5.70m;Total Tonnage: 8966; Dredging Area: Las Palmas, Gran Canaria, Spain

  • 25000M3 cargo hold volume

    An example of a dredging barge with a 25000M3 cargo hold volume is:

    25000m3 Dredging Barge; Detachable Nacelle;Length x Breath x Depth: 147.50m x 32.60m x 9.00m;Total Tonnage: 18498; Dredging Area: Jiangyin Jiangsu China

  • Dredging pump

    The following are typical specifications for dredging pumps:

    --Discharge capacity: 8.5m3/min up to 12.4m3/min

    --Power: 55kw to 2000kw

    --Head: 50m to 100m

    Dredging pumps are the heart of a dredger. Dredging pumps are installed directly on the main frame or floater of a dredger. Generally, vortex pumps are chosen. The inside structure is an impeller, pump body, pump shaft, bearing assembly, sealing assembly, and outlet pipeline.

The above dredging pumps work with a range of power sources, such as diesel generators, power generators, hydraulic motors, etc., to pump, transfer, or remove sediments, stones, or sand from the designated areas to the storage areas of the barges. A turbine, a centrifugal machine, or an electric motor may provide the power.

It is essential to note that all the parts of a dredging machine must cope with seawater and frequently submerged environments. Consequently, selecting materials and coatings that can resist saltwater corrosion and ensure a good, long-lasting, low-maintenance performance is crucial.

The maintenance and servicing of a dredging barge for sale is critical to its performance, efficiency, and safety. Proper maintenance is required to ensure any dredging barge performs optimally and has a long service life.

The first step is the creation of a scheduled maintenance and servicing plan. It must be based on the barge's specifications, operating conditions, and manufacturer's recommendations. Ensure that the required spare parts and specialist tools are available beforehand.

The plan should include periodic inspections of the entire dredging barge (engine, hull, hydraulic system, and dredging equipment) for wear, damage, and leaks and check them against this list. Any signs of corrosion or damage to the dredging equipment should also be included in the list of items to be attended to. The hydraulic system should be checked for any sign of oil leaks, the connections and hoses of the dredging equipment checked for wear and any signs of malfunction, and any required lubrication of moving parts should be rendered. In particular, the dredger's pump and propeller should be examined and maintained with special care.

Additionally, all filters should be cleaned and serviced, and the oil and water system should be checked and serviced. Any necessary calibrations should also be carried out according to the manufacturer's instructions.

Finally, a detailed record of the maintenance and servicing carried out should be kept in this procedure, including any repairs or replacements.

Applications of a Dredging Barge

  • River Dredging:

    Dredging barges are commonly employed by environmental agencies and civil engineers to remove sediment and debris within riverbeds, enhancing water flow and reducing flooding.

  • Maintenance of Navigational Channels:

    Harbor authorities and shipping companies utilize dredging barges to uphold the depth of maritime channels, ensuring safe passage for vessels. By removing sandbanks and silt accumulations, these barges facilitate smooth navigation.

  • Lake and Pond Dredging:

    Recreational bodies and environmental organizations employ dredging barges to extract excess vegetation and sediment from lakes and ponds. This operation aids in preserving aquatic life and enhancing the quality of water.

  • Land Reclamation:

    Construction firms and governmental bodies utilize dredging barges for land reclamation endeavors. By relocating underwater materials to coastal zones, these barges contribute to the creation of new land areas for urban development or infrastructural projects.

  • Deepening of Ports:

    Port authorities and maritime operators rely on dredging barges to deepen port berths. This enables larger vessels to dock, thus accommodating the ever-growing demands of international trade.

  • Underwater Construction Support:

    Dredging barges equipped with specialized tools can assist in underwater constructions, such as the establishment of bridges or pipelines. They play a vital role in guaranteeing the success and safety of construction operations conducted on the seabed or lake floor.

The versatility of dredging barges makes them indispensable tools for effective sediment management and aquatic ecosystem preservation in various water bodies.

How to choose dredging barge for sale

When selecting a suitable dredging barge for a particular job requirement, it is vital to consider several key features. These include the dredging capacity and depth, dredging methods and equipment, size and stability, suction system, material handling mechanisms, power source, and any additional features, such as automation, that the dredging machine may have.

  • Dredging capacity and depth: Most dredging barges have a specific capacity and depth to which they can dredge. When selecting a dredging machine, it is vital to first know the materials, such as mud or sand, that need to be dredged. Then, the dredging depth and capacity of the dredging machine should be compared to the project requirement.
  • Dredging methods and equipment: Different dredging barges use various methods and equipment, such as cutter suction, claener suction, or trailing suction hopper dredgers. Each method will be more suitable for a specific kind of material and project location. Therefore, it is essential to match the dredging technique with the project requirement for an efficient dredging operation.
  • Size and stability: A dredging barge's size and stability will affect its ability to handle complicated dredging operations in various waterways. If the project is in a narrow or shallow water way, a smaller, more maneuverable dredging machine would be more suitable. Conversely, a larger-sized dredging barge would be appropriate for deep waters and large volumes.
  • Suction system: Not all dredging barges have the same type of suction mechanism, which can affect the project results. For instance, trailing suction hopper dredgers generally have a higher production rate than cutter suction dredgers.
  • Material handling mechanisms: Dredging barges often use different material handling systems, such as belt conveyors, grab buckets, or feeder systems. The convenience and efficiency of selecting a particular material handling system can also affect the overall project.
  • Power source: The power source of a dredging barge can affect job performance. The capacity of the generator must match the power requirement of the pumps, motors, and dredging equipment.
  • Additional features: Advanced dredging barges have several additional features, including remote monitoring, GPS systems for precise dredging control, and automated functions. These characteristics can improve overall dredging operations.

dredging barge for sale Q and A

Q1. How to transport dredging barge?

A1. The common methods are towed, loaded onto a transport ship, or disassembled transport parts.

Q2. What are the recent trends in the dredging industry?

A2. The global dredging market was valued at approximately $5 billion in 2020 and is expected to reach around $8 billion by 2027.

Q3. What are the functions of a dredging barge?

A3.Dredging barges can increase the river flow and reduce the flood risks. For some mining industries, they can also improve the quality of ore byextraction in the shipping channels, lakes, harbors, and rivers.

Q4. What are the common methods of using a dredging barge?

A4.The dredging barge transports the excavated materials by water on land. Or, the materials are extracted by the dredging machine and processed in thedrudging barge.The processed materials are then transported by another vessel.

Q5. What are the recent technological developments in dredging equipment?

A5.Advanced automated and remote-operated dredgers, drones, and AI data analytics and modelling technology systems could improve the efficiency,safety,precision,andprojectmanagementofdredgingoperations.