River sand suction dredger is widely used for sand dredging, mud dredging, port building and deepening, the centrifugal sand pump can produce certain amount of vacuum, the sand and mud is conveying and discharging by pipeline and floater. 

The portable small sand dredger made by OCEAN Pump can be self-propelled or non self-propelled. The hull can be dismantle and box-like structure. The dismantle type can be assembly at working place easily and be transported by road, railway and container accordingly, it is very convenient to install and move in the working place.  The power system of potable river sand suction dredger can be electric system or diesel engine driving system according to customers' requirements.

  The working process of this potable river sand suction dredger is as followed. The high pressure sand pump can produce certain amount of vacuum so the underwater sand and mud can be mixed into  slurry, the mixing slurry is conveyed through  the pipeline to the specified place.