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    • Amphibious Multipurpose DredgerAmphibious Multipurpose Dredger
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        • Amphibious Multipurpose Dredger
        Fully automatic and highly efficient amphibious dredging vessel for silt removal
        Amphibious Multipurpose Dredger

        The amphibious sand dredging vessel is a multi-functional dredging equipment that breaks through the terrain limitations of traditional sand dredging equipment and can freely switch operations in various environments such as land, shallow beaches, and water bodies. With its flexible adaptability and efficient operation performance, it has solved the industry pain points of traditional sand dredging vessels being unable to conduct operations on land and having low efficiency in shallow water areas.

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    • Bucket Wheel DredgerBucket Wheel Dredger
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        • Bucket Wheel Dredger
        1000-15000m³day Bucket Wheel Dredger
        Bucket Wheel Dredger

        The bucket-wheel dredger is a large-scale specialized dredging equipment with a rotating bucket wheel as its core excavation component. It integrates excavation, transportation, and mud discharge functions. It is mainly used for water area sediment excavation, waterway dredging, and land reclamation by filling. It compensates for the shortcomings of traditional dredging equipment, such as low excavation efficiency and poor continuity. This promotes the development of dredging projects towards larger scale and higher efficiency.

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    • Chain Bucket DredgerChain Bucket Dredger
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        • Chain Bucket Dredger
        High-efficiency bucket dredger for sand extraction
        Chain Bucket Dredger

        The chain bucket dredger is a medium-sized specialized dredging equipment that uses a chain to pull the bucket as its core excavation component, integrating excavation, transportation, and sorting functions. It is mainly used for sand and gravel extraction and sediment dredging operations in water bodies such as rivers, shallow seas, and beaches, and is widely applied in small and medium-sized water conservancy, construction sand extraction and other engineering fields.

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    • Cutter Suction DredgerCutter Suction Dredger
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        • Cutter Suction Dredger
        Special suction dredger for river dredging and sand extraction with large flow capacity
        Cutter Suction Dredger

        A suction dredger is a specialized dredging equipment with a rotating cutter as its core excavation component. It integrates excavation, loosening, and suction and discharge functions. The core principle is to use the cutter to cut the soil and the mud pump to suck and discharge the mud under negative pressure, enabling continuous "excavation - transportation" operations. It is widely used in large-scale water-related projects such as waterway dredging, land reclamation by dredging, river channel cleaning, and port construction.

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    • Drilling Pump DredgerDrilling Pump Dredger
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        • Drilling Pump Dredger
        High-efficiency dredging drilling-type sand-suction vessel
        Drilling Pump Dredger

        A drilling dredger is a specialized dredging equipment that integrates drilling, crushing, excavation, and suction and discharge functions. Its core consists of a drilling tool that penetrates hard soil or rock layers. It is combined with a crushing mechanism to break down hard soil masses, and then the excavated materials are transported to the designated area through the suction and discharge system, enabling precise dredging operations on deep and hard soil conditions.

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    • Jet Suction DredgerJet Suction Dredger
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        • Jet Suction Dredger
        Jet Suction Dredger - Lightweight Sand Mining Machinery
        Jet Suction Dredger

        The jet suction dredger is a vessel that integrates the functions of impact, stirring, suction of sediment, and transportation. Its core mechanism is that a high-pressure water pump generates a high-pressure water flow to impact the bottom sediment, making it moist and disintegrate into slurry. Subsequently, through negative pressure, the slurry is sucked into the designated area by the suction pump, thereby enabling the dredging and silt removal operation in shallow water areas.

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    • Sand DredgerSand Dredger
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        • Sand Dredger
        Easy Operation Mini Mining Machinery Small Sand Dredger
        Sand Dredger

        A dredger is a specialized piece of equipment designed for extracting sand and gravel from water bodies and for dredging sediment. Depending on the differences in excavation principles, structural forms and operational scenarios, it can be classified into various types and is widely used in water-related projects such as river dredging, reservoir renovation, shallow beach development, construction sand extraction, and port maintenance.

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    • Suction DredgerSuction Dredger
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        • Suction Dredger
        Adapted for gold mining equipment suction dredgers for sand extraction
        Suction Dredger

        A suction dredger is a specialized sand extraction equipment that operates based on the core principle of "rotary cutting + suction + transportation". It integrates excavation, crushing, and suction and discharge functions. The core mechanism involves using a rotating cutter to cut the underwater sediment (or hard soil layer), combined with a negative pressure suction pump to form a slurry, and then transporting the slurry over long distances through pipelines to the designated area, achieving integrated continuous operations of sand extraction and dredging.

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    • Aquatic Weed HarvesterAquatic Weed Harvester
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        • Aquatic Weed Harvester
        River and Lake Cleaning Professional Multi-functional Mowing Vessel
        Aquatic Weed Harvester

        The lawn mowing and cleaning vessel is a professional water area environmental protection and cleaning equipment. It adopts a unified operation mode of cutting, fishing, collecting and transporting, which can remove weeds on the water surface and underwater, and collect floating garbage. It is easy to operate, efficient in cleaning, and has wide adaptability. It is widely used in river channels, lakes and other areas, and can purify water quality, clear waterways, and contribute to the maintenance of water area ecology and navigation safety.

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High-Efficiency Cutter Suction Dredger from China Suppliers - Factory Direct, Anti-Corrosion & Durable Design
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High-Efficiency Cutter Suction Dredger from China Suppliers - Factory Direct, Anti-Corrosion & Durable Design

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✅ Experience 30% higher efficiency with our Cutter Suction integrated technology, designed for maximum operational performance.

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✅ Our product boasts anti-corrosion and anti-wind wave features, making it adaptable to all scenarios, ensuring longevity and reliability.

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✅ Built with a thickened hull and ultra-durable alloy cutter, this machinery is engineered for robust performance even in challenging environments.

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✅ The detachable design allows for convenient on-site installation, streamlining the setup process and reducing downtime.

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✅ As a leading China supplier, we offer OEM/ODM customization with factory direct sales, ensuring you get the best value for your investment.

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    Contact us
    Product Details

    ⚙️ Description

    Choose the Right Dredger | Maximize Efficiency, Minimize Costs

    Selecting the appropriate dredger directly impacts your project's bottom line. Duohui Intelligent offers a comprehensive range of sand dredgers—also referred to as sand mining vessels, suction dredgers, or dredging equipment—designed to integrate excavation, suction, screening, transport, and dredging operations into one unified platform.

    We provide multiple configuration options, including bucket chain, hydraulic, and screw-type models, all fully compatible with standard dredging vessel operations. Whether you need a small unit for household use or large-scale equipment for industrial dredging projects, we can tailor the solution to your requirements.

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    🏆 Core Advantages

    Our equipment serves a wide range of environments: rivers, reservoirs, shallow coastal waters, sandpits, and mining sites. They can also be paired with gold mining machinery for combined operations.

    • Versatile application — rivers, reservoirs, coastal waters, sandpits & mines
    • Compatible with gold mining machinery for combined operations
    • From small household sand collection to large engineering projects
    • Consistent efficiency and lower labor demands
    • Increased material output per operation cycle
    Cutter Suction Dredger Sand Dredger Dredging Vessel Suction Dredger Mining Machinery Gold Mining Equipment

    📋 Specifications

    Model Water Flow Rate Pumping Depth Transport Distance Engine(s) Power
    DHCSD-100 200–300 m³/hr 0–20 m 20–2000 mm 20–60 kW
    DHCSD-150 350–600 m³/hr 0–25 m 20–2000 mm 45–100 kW
    DHCSD-200 600–800 m³/hr 0–25 m 20–2000 mm 75–200 kW
    DHCSD-250 950–1300 m³/hr 0–30 m 20–2000 mm 90–300 kW
    DHCSD-300 1500–2200 m³/hr 0–30 m 20–2000 mm 190–600 kW
    DHCSD-350 2200–2600 m³/hr 0–30 m 20–2000 mm 290–800 kW
    DHCSD-400 2800–3200 m³/hr 0–30 m 20–2000 mm 350–1000 kW
    DHCSD-450 3200–3800 m³/hr 0–30 m 20–2000 mm 450–1200 kW
    DHCSD-500 3600–4200 m³/hr 0–30 m 20–2000 mm 600–1500 kW

    ❓ Frequently Asked Questions

    Q What if my project doesn't fit a standard boat size?
    Then we build one that does. Every dredger we ship starts with your numbers—tonnage, depth, daily output. We customize from there and provide free design drawings so there are no surprises.
    Q How long will this boat be part of my fleet?
    For many years to come. The hull is built for 8 to 15 years of steady work. The cutter and impeller—the parts that take the hardest hits—are good for 2 to 3 years. And we'll be there with replacements and advice as long as you own it.
    Q If something breaks, how fast can you help?
    We don't leave you waiting. Our support team is available 24/7, and if we can't fix it remotely, we'll have someone on-site within 48 hours.
    Q Is this boat only for freshwater, or can it handle the sea?
    It handles both. We use anti-corrosion materials throughout, so whether you're working in a lake or a shallow coastal zone, the boat performs reliably.
    Q What configuration types are available for sand dredgers?
    We offer multiple configurations including bucket chain, hydraulic, and screw-type models. All options are fully compatible with standard dredging vessel operations and can be tailored to your specific project requirements.
    Q Can your dredgers be used alongside gold mining equipment?
    Yes. Our dredging equipment is designed to be compatible with gold mining machinery, allowing for combined operations on rivers, sandpits, and mining sites. This makes them highly versatile for multi-purpose extraction projects.

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