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Hydraulic dredge pump

working principle

The hydraulic sand suction pump is a new type of submersible sand pump that is powered by a hydraulic system, and the motor is the actuator, which converts hydraulic energy into mechanical energy. When working, the rotation of the agitating impeller of the water pump transfers energy to the slurry medium, so that it can generate a certain flow rate, drive the solid flow, and realize the transportation of the slurry.

The hydraulic motor adopts quantitative plunger motor, which has the characteristics of advanced structure, reasonableness, good performance, high efficiency and stable operation. According to the customer’s situation, different displacements are selected.

Everflowing hydraulic dredge pump is a heavy-duty pumping system used for removing sediment, debris, and other materials from bodies of water, such as rivers, lakes, and harbors. It is specifically designed to handle large volumes of solids, slurry, and other abrasive materials, making it ideal for dredging operations.

The pump consists of a hydraulic power unit, a suction hose, and a discharge hose. The hydraulic power unit powers the pump and is typically operated by an onboard diesel engine or electric motor. The flexible dredge hose is used to draw material from the water, while the discharge pipe transports the material to a designated location.

The hydraulic dredge pump is capable of handling a wide range of materials, including sand, silt, mud, rocks, and other debris. Its unique design allows it to operate in shallow or deep waters and reach difficult-to-access areas, making it an efficient and cost-effective solution for dredging projects.

The pump is constructed with heavy-duty materials, such as high-grade steel and wear-resistant alloys, to withstand the harsh conditions of dredging operations. Its compact design allows for easy transportation and assembly, and it can be customized to meet the specific needs of each project.

Overall, the hydraulic dredge pump is a reliable and powerful tool for dredging and excavation projects, delivering high performance and efficiency to ensure successful completion of any job.


1.The pump comes equipped with a stirring device at its base that can be fitted with either two independent side cutters or a single cutter head in front of the suction port. This feature facilitates the thorough mixing of solids and liquids, making them easy to handle.

2.The pump can handle solid materials with a particle size of up to 50mm, and it has a higher solid-liquid extraction concentration than electric pumps.

Note that output may vary depending on factors such as the processed medium, sand pumping depth, and transportation distance.

3.The device can be installed on excavators and is powered by the hydraulic station of the excavator, which is powered by a diesel engine. It can solve the issue of inconvenient access to electricity in remote construction sites.

4.Flow-passing parts: pump casing, impeller, guard plate and stirring impeller are all made of high chromium alloy. Other materials can be customized.

5.Adopt a unique sealing device to avoid frequent replacement of mechanical seals and improve work efficiency.

Working conditions:

1.Excavator hydraulic drive, this pump is suitable for 120, 150, 220, 240, 300, 400 and other small, medium and large series of excavators.

2.It can also be equipped with a separate hydraulic station, which can be customized to meet specific requirements.

Product advantages:

1. Safety: choose hydraulic power, no electricity, no risk of electric shock;

2. Stability: large bearing capacity, balanced transmission and long service life of components;

3. Convenience: It is directly installed on the front end of the excavator arm (replacing the original bucket), without having to build complicated ground protection and fixing devices.

4. High efficiency: strong power, flexible operation and convenient operation. The pump body directly contacts the sediment layer for stirring and suction, and can extract granular fluids containing mud, sediment, sludge, mortar, etc. with a high concentration, up to 70%.

5. Environmental protection: It can be directly operated underwater with low noise; the agitation and suction are synchronized, which has little pollution to water quality; it is directly transported through pipelines to prevent transportation pollution.

6. Compared with the traditional dredging method, the pumping concentration is higher than that of the horizontal pump; it is easier to operate than the electric submersible pump and is not limited by the water level.

Work video

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