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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
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        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 Dredger
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        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 Jet Suction Sand Dredger from China Suppliers - Durable, Customizable Factory Direct Sales
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High Efficiency Jet Suction Sand Dredger from China Suppliers - Durable, Customizable Factory Direct Sales

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✅ Exceptional Anti-Corrosion and Wind Wave Resistance for All Environments

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✅ Enhanced Durability with a Reinforced Hull and Alloy Cutter

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✅ Convenient Detachable Design for Easy On-Site Installation

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✅ Direct Sales from Reliable China Suppliers with OEM/ODM Customization Options

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    Product Details

    Description

    Jet Suction Dredger | Cutter-Free Efficiency for Rivers, Ponds & Mining.

    Designed for operators seeking a lightweight yet powerful solution, our Jet Suction Sand Dredger combines sand pumping, material conveying, and dredging into one streamlined machine. It is ideally suited for global projects involving sand mining, river channel maintenance, and sludge removal.

    The Jet Suction Sand Dredger redefines efficiency for shallow and deep-water operations. It is a compact yet high-performance asset that integrates suction, transport, and dredging capabilities, tailored for sand extraction, river cleaning, and sludge treatment worldwide.

    High Suction Dredging Equipment Jet Suction Sand Dredger detail 01
    High Suction Dredging Equipment Jet Suction Sand Dredger detail 02

    Core Advantages

    Made of high-quality anti-corrosion steel, the hull is lightweight, flexible and easy to maneuver, suitable for fresh water (rivers, reservoirs) and salt water (shallow seas), anti-wind and anti-impact, adapting to small and medium-sized sand yards, rivers and coastal areas. It can also match gold mining equipment for auxiliary operations.

    Specifications

    Model Water Flow Rate Pumping Depth Transport Distance Engine(s) Power
    DHJSD-100 200–300 m³/hr 0–20 m 20–2000 mm 20–60 kW
    DHJSD-150 350–600 m³/hr 0–25 m 20–2000 mm 45–100 kW
    DHJSD-200 600–800 m³/hr 0–25 m 20–2000 mm 75–200 kW
    DHJSD-250 950–1300 m³/hr 0–30 m 20–2000 mm 90–300 kW
    DHJSD-300 1500–2200 m³/hr 0–30 m 20–2000 mm 190–600 kW
    DHJSD-350 2200–2600 m³/hr 0–30 m 20–2000 mm 290–800 kW
    DHJSD-400 2800–3200 m³/hr 0–30 m 20–2000 mm 350–1000 kW
    DHJSD-450 3200–3800 m³/hr 0–30 m 20–2000 mm 450–1200 kW
    DHJSD-500 3600–4200 m³/hr 0–30 m 20–2000 mm 600–1500 kW
    💡 The Jet Suction Sand Dredger from Duohui represents a paradigm shift in lightweight dredging efficiency. It is a multifunctional mining platform that seamlessly integrates suction, transport, and dredging operations, purpose-built for global applications such as sand extraction, river desilting, and sludge management.

    The key differentiator lies in its cutter-free jet suction mechanism. Instead of mechanical agitation, it relies on focused high-pressure water jets to loosen and suspend bottom sediments. A high-power suction pump then lifts the slurry in a continuous, residue-free operation. This method delivers powerful suction with no dead zones. With a flexible daily output of 300 to 8,000 cubic meters, the dredger adapts to varying project scales and water depths ranging from 0.3 to 12 meters.

    FAQs

    Q1 Can your Jet Suction Sand Dredger be customized?
    Yes, we support OEM/ODM customization. We can customize the parameters such as tonnage, dredging depth and daily output according to your specific needs, and provide free design drawings.
    Q2 What is the service life of the equipment?
    The service life of the hull is 8–15 years, and the service life of wearing parts (cutter, impeller) is 2–3 years. We provide lifelong technical guidance and wearing parts supply.
    Q3 Do you provide installation and after-sales service?
    Yes, we provide 24/7 after-sales support. If there is any problem with the equipment, our technical team will arrive at the site for maintenance within 48 hours.
    Q4 Can the equipment be used in sea water?
    Yes, our Jet Suction Sand Dredger adopts an anti-corrosion design, which can work stably in shallow sea salt water environments, and is suitable for offshore sand mining and sea area dredging.
    Q5 What is the minimum water depth required for the Jet Suction Sand Dredger to operate?
    The dredger can operate in water depths as shallow as 0.3 meters, making it highly suitable for shallow rivers, ponds, reservoirs, and near-shore coastal areas with minimal water coverage.
    Q6 How does the cutter-free jet suction system compare to traditional cutter suction dredgers?
    Unlike traditional cutter suction dredgers that rely on mechanical cutting heads, the jet suction system uses high-pressure water jets to loosen sediment, resulting in smoother, residue-free operation with lower maintenance costs, reduced mechanical wear, and quieter performance — ideal for environmentally sensitive dredging projects.

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