Floating Dredging Hose

The JIDONGDA Floating Dredging Hose is an integrated marine pipeline system designed specifically for dredging operations, primarily for transporting mixtures of silt, sand, and water. Based on traditional dredging hose designs, it features an integrated or sectional buoyancy system that allows the pipeline to float stably on the water's surface, significantly reducing towing resistance and enhancing operational efficiency.

This Floating Dredging Hose is suitable for long-distance marine material transport—including port land reclamation, shoreline restoration, riverbed deepening, and the creation of artificial offshore islands—effectively preventing issues such as pipeline sinking, seabed friction (and associated wear), and excessive energy consumption. Its ease of installation and maintenance makes it an ideal solution for a wide range of routine marine dredging operations.

Product Construction

1. Wear-resistant inner layer

Made of highly wear-resistant rubber capable of withstanding the erosive impact of high-speed sand and gravel flows; suitable for the long-term transport of slurries with high solid-particle concentrations.

2. Structural layer (pressure-bearing)

Composed of multiple layers of high-strength cord combined with spiral steel wire; this significantly enhances the pipeline's resistance to pressure, tension, and deformation, meeting the requirements for continuous high-pressure, long-distance operation.

3. Buoyancy layer

Constructed using a closed-cell foam structure or modular floats; provides stable buoyancy without losing effectiveness due to water absorption, ensuring the pipeline remains stably afloat throughout its service life.

4. Outer protective layer

Made of special rubber resistant to seawater, salt corrosion, UV radiation, and mechanical wear, making it suitable for long-term operation in marine environments.

Areas of Application

A wide range of applications in Floating Dredging Hose: deepening of seaport channels; land reclamation and the creation of artificial islands; removal of bottom sediments from rivers and lakes; support operations for various types of dredgers; shoreline restoration and artificial beach nourishment; as well as the long-distance transport of sand, gravel, and slurry via water.

Key Product Features

1. Integrated buoyant design eliminates the need for additional support equipment; easy installation and high stability.

2. Prevents the pipeline from sinking to the seabed, significantly reducing operational drag, wear, and energy consumption.

3. Highly wear-resistant inner layer designed for transporting mixtures with high solid-particle concentrations (including coarse sand and gravel).

4. Resistant to salt corrosion, aging, and the impact of marine winds and waves; excellent adaptability to marine environments.

5. High flexibility; capable of adapting to complex conditions such as curved routes and fluctuating water levels (tides).

6. Robust construction; resistant to tearing and deformation; ensures continuous, stable operation in all weather conditions.

Customization Options

Tailored to specific project requirements: wear-resistant polyurethane (PU) reinforcement layer; steel ring reinforcement; modular pontoon system; cold-resistant version (down to -40°C); heat-resistant reinforced version; anti-fouling outer coating (prevents marine organism attachment); ANSI/DIN/JIS standard flange connections; manufacturing of continuous, extra-long hoses.

Key Product Advantages

1. One-piece molded design with integrated buoyancy: eliminates delamination and water ingress; ensures long-lasting, stable buoyancy.

2. Specialized solution for marine dredging and land reclamation: highly adaptable to specific operating conditions.

3. Erosion-resistant, multi-layer composite construction: offers wear resistance and durability, resulting in a longer service life compared to standard hoses.

4. Capability to manufacture large-diameter hoses: meets requirements for transporting large volumes of material over long distances.

5. Reduced flow resistance and equipment energy consumption: lowers overall project operating costs.

6. Global support for custom orders: dimensions, fittings, and technical specifications can be tailored to specific project requirements.

Real-World Project Example

A long-distance offshore land reclamation pipeline project in Southeast Asia: In 2025, a major Southeast Asian dredging contractor purchased a batch of JIDONGDA hoses (DN700 diameter) for a 13-kilometer offshore land reclamation project. Site conditions were characterized by strong tides, high water salinity, and a significant amount of coral debris in the pumped slurry, placing rigorous demands on the pipeline's wear resistance and durability.

Initially, the client used a traditional system consisting of standard hoses and external pontoons; this resulted in frequent sinking incidents, leakage due to wear, and excessively high monthly maintenance costs. After switching to JIDONGDA's integrated floating dredging hoses, the project achieved eight months of continuous operation without any incidents involving sinking or leakage. Wear on the inner walls decreased by over 60%, energy consumption dropped by 21%, and installation efficiency rose by 40%, enabling the successful transport of 2.8 million cubic meters of dredged material. Subsequently, the client established a long-term partnership with JIDONGDA, highly valuing the product's suitability for marine engineering applications and its consistent quality.

Frequently Asked Questions

Q1: For what types of waters and marine conditions is the JIDONGDA Floating Dredging Hose suitable?

A1: Standard models are suitable for coastal areas, rivers, and bays with depths of up to 50 meters and can withstand typical wind and wave loads. For extreme conditions—such as open ocean environments with strong winds and high waves or extreme temperatures—we offer specialized versions featuring a thicker buoyancy layer and steel ring reinforcement, tailored for dredging projects worldwide.

Q2: What is the product's service life, and what factors affect it?

A2: Under standard river dredging conditions, the service life is 3–5 years; in harsh marine environments (characterized by high corrosion and abrasion), opting for a version with a reinforced polyurethane liner can extend the service life to 4–6 years. Durability is influenced by factors such as slurry particle size, daily operating hours, seawater salinity, and marine biofouling; the product configuration can be modified or enhanced based on specific operating conditions to extend service life.

Q3: Is technical support provided for on-site installation?

A3: Yes. As a professional Chinese supplier, we provide global remote technical support, including the provision of technical drawings. For large-scale projects involving extensive pipeline systems, we can dispatch qualified engineers to the site to oversee pipe laying, flange connections, and buoyancy adjustments, thereby preventing installation errors and minimizing construction risks.