Excavator Dredging Pump

The dredging pump for clearing sediment is made of high-strength and wear-resistant alloy materials for its flow components. It has excellent wear resistance and a large flow passage, making it suitable for transporting media such as sand, gravel, slurry, coal slurry, and mineral slurries that contain large solid particles. The dredging pump for clearing sediment is designed and manufactured based on advanced technologies from both domestic and international sources. In addition to the main impeller, a set of mixing impellers is added at the bottom of the pump, which can spray and agitate the deposited sediment into turbulent flow, enabling the pump to achieve high-concentration transportation without the need for auxiliary devices.

It has a built-in stirring impeller with excellent anti-clogging effect.
It can easily extract thick sludge and soft sludge.
The bottom stirring structure can break up lumps of sludge and sediment, and will not get tangled with debris or block the pump.
It is fully sealed and waterproof with a large flow rate and high suction height.
The hydraulic power is strong, and it can handle large pumping and slurry volumes with a long suction height. Thick sludge and thick slurry can be quickly pumped out.
It can be directly installed on the excavator without additional power.
The bottom stirring structure can break up lumps of sludge and sediment, and will not get tangled with debris or block the pump. Soft sludge and thick sludge can be easily extracted. It can be directly mounted on the small arm of the excavator and driven by the excavator's hydraulic system. No separate motor or pump station is required. The transfer is flexible.

Hydraulic circuit engineering: Flow/pressure matching + Thermal balance
Derive the oil circuits based on the available pilot/working oil paths of the excavator, equip with overflows, filters, oil return heat dissipation and pressure measurement points, transforming "usable" into "long-term operation without pressure build-up or heat-induced degradation".
Balance design of mixing torque and pumping points
The mixing mechanism should be capable of gripping the sediment layer without allowing the counter-torque to lift the pump body; we stabilize the force point through a large-diameter mixing disc/low-position supporting sliding shoe/center of gravity close to the bucket hinge point, improving the bottom cleaning efficiency and reducing pipe vibration.
Machinable flow channels + Gap control for preventing blockages
The gap between the impeller and the volute/liner can be adjusted (by nuts/pads) or have a replaceable liner structure, allowing for return to close to the initial performance after wear, extending the maintenance cycle "sweet spot".
Cable routing and pipe protection against abrasion
The drainage pipes running along the boom/tilt arm are equipped with machinable protective sleeves, clamp sliding seats, and redundant bending radii of the rotating section to prevent pipe breakage, abrasion, and pipe entanglement - such details determine the on-site reputation.

1. River, lake, reservoir and port dredging
2. Sand extraction from water bodies such as rivers, lakes and seas
3. Land reclamation in coastal areas
4. Discharge of construction waste and slurry from engineering projects
5. Sand and slurry removal from municipal pipelines and rainwater pumping stations
6. Cleaning of sedimentation tanks in steel mills, beneficiation plants, coal-fired power plants and wastewater treatment plants
7. Transportation of high-temperature slag and slag from steel furnaces
8. Transportation of tailings, slag and slurry from beneficiation plants
9. Removal of coal cinder, coal slurry and coal slurry from coal mines
10. Transportation of fly ash, coal slurry and coal slurry from power plants
11. Absorption of various solid particles such as diamond sand, quartz sand and steel slag.
12. Mineral processing, gold extraction, iron sand extraction
13. Transportation of slurry containing various impurities
14. Transportation of other media containing large solid particles

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