Dredge Sled – Patented Lagoon Dredging Equipment, Electric-Driven 4-Inch
The DSE-4000 Electric-Driven 4-Inch Dredge Sled is a compact, high-solids dredging system engineered for shallow-water and confined-dredging applications. Powered by an electric submersible EDDY Pump, it delivers flow rates from 250 to 1200 GPM with head capabilities up to 160 feet. The system handles solids up to 3 inches and slurry concentrations up to 70% by volume. Integrated with a floating dredge, VFD control, and remote winch operation, it delivers precise material removal with efficient electrical power.
Technical Advantages
- High solids pumping capability designed to handle slurry concentrations up to 40–70 percent by volume, allowing efficient material removal with fewer passes and reduced water usage.
- Non-clog pump design with the ability to pass solids up to 3 inches in diameter, minimizing downtime caused by blockages and reducing maintenance requirements in abrasive environments.
- Electric-driven submersible pump configuration delivering flow rates from 250 to 1200 GPM with head performance up to 160 feet, suitable for long discharge distances and elevation changes.
- Integrated floating dredge sled system engineered for stable operation in shallow water, lagoons, ponds, and confined dredging areas where conventional dredges are not practical.
- VFD-controlled electric motor enabling precise control over pump speed, flow rate, and power consumption to match varying material conditions and optimize efficiency.
- Remote-operated lifting and traversing winches that allow accurate dredge positioning and depth control while keeping operators safely onshore.
- Modular system design that supports optional enhancements, including Doppler flow meters, discharge pressure gauges, and high-pressure jetting rings, to improve monitoring and production control.
Gallery
Dredge Sled – Patented Lagoon Dredging Equipment, Electric-Driven 4-Inch
Technical Specifications
Model: DSE-4000
- Flow Range: 250 – 1200 GPM
- Head Range: Up to 160 ft
- Discharge Size: 4 inch
- Suction Size: 6 inch
- Solids Handling: Up to 3 inches
- Percent Solids: 40 – 70%
- Production Rate: 75 – 150 yd³/hr
- Max Speed: 1800 RPM
Dredge Platform Dimensions
- Standard Operating Depths: 1.6 – 16 ft (0.5 – 5m)
- Max Depth Mast Lift: 17.4 ft (5.3m)
- Width: 12.5 ft (3.8m)
- Height: 5.6 ft (1.7m)
- Length: 9.8 ft (3m)
- Weight (without pump): 3,307 lbs (1500 kg)
Included Equipment
- 4-inch High Chrome EDDY Pump + 75 HP Submersible Electric Motor
- Floating dredge sled
- 300 ft traversing cable
- Winches (remote lifting winch 12V & 110V land winch)
- Solar panel charging system
- Gas generator (110V output for land winch)
Required Equipment to Operate
- 4” material handling discharge hose and floats
- 100 KW electric generator or main line shore power
- NEMA 3R VFD or Soft Starter
Optional Equipment
- Wireless Doppler flow meter
- Discharge line pressure gauge (0–150 psi)
- High-pressure jetting ring
EDDY Pump – 4 Inch 4000 – Pump Curve
PUMP CURVE
The pump curve for the DSE-4000 Electric-Driven 4-Inch Dredge Sled illustrates how flow rate and head interact to define operating performance across varying conditions. It helps operators select the correct speed and setup to achieve efficient slurry transport, stable solids handling, and optimal power usage for the specific dredging material and discharge distance.
*General pump curve based on water at 1200 RPM. Contact us with your specific material for a custom pump curve.
Comparison Table
| Parameter | DSE-4000 Electric-Driven 4-Inch | DSH 6000 Electric-Driven 6-Inch |
|---|---|---|
| Model | DSE-4000 | DSH 6000 |
| Discharge size | 4 inch | 6 inch |
| Suction size | 6 inch | 8 inch |
| Minimum flow | 250 GPM | 450 GPM |
| Maximum flow | 1200 GPM | 2500 GPM |
| Maximum head | Up to 160 ft | Up to 200 ft |
| Solids handling | Solids up to 3 inches | Solids up to 6 inches |
| Solids concentration | Up to 40–70 percent by volume | Up to 40–70 percent by volume |
| Production rate | 75–150 yd³ per hour | Up to 150 yd³ per hour |
| Maximum speed | 1800 RPM | 1800 RPM |
| Maximum horsepower | 125 HP | 125 HP |
| Motor type | Submersible electric motor with VFD or soft starter | Submersible electric motor with VFD or soft starter |
| Typical applications | Lagoons, ponds, shallow dredging, confined areas | Higher volume dredging, larger ponds, industrial and mining applications |
Industries Served
Lagoon dredging
The 4-inch electrically driven dredge sled is well-suited for lagoon maintenance, where the controlled removal of settled sludge, organic solids, and fine sediments is required. Its compact footprint and high solids-handling capacity enable efficient dredging without disturbing surrounding liners or embankments.
Mining and mineral recovery
This system supports small-scale mining and mineral recovery operations by handling abrasive slurries and fine tailings with high solids concentration. Electric drive and precise flow control make it effective for recovery ponds and process water management areas.
Sand and aggregate
For sand and aggregate applications, the dredge sled enables consistent removal of settled material from wash ponds and sumps. Its ability to pump dense slurry helps maintain pond capacity and supports uninterrupted material processing.
Shallow industrial ponds
The 4-inch dredge sled performs reliably in shallow industrial ponds with limited access. It allows operators to remove accumulated solids while maintaining stable operation in low-depth environments common in industrial facilities.
Fly ash and coal ash handling
In power generation and ash management facilities, the dredge sled is used to pump fly ash and coal ash slurry from containment ponds. Its non-clog design supports abrasive material transfer while reducing mechanical wear and downtime.
Dams and reservoirs
For dam and reservoir maintenance, the system assists with sediment removal in confined zones where larger dredges are impractical. Controlled electric operation supports precise dredging near structures and intake areas.
Lagoon sludge removal at an industrial wastewater facility
Case Study
The Problem
An industrial wastewater treatment facility was experiencing significant sludge accumulation in its primary lagoon, reducing effective holding capacity and degrading treatment efficiency. The lagoon operated at shallow depths and was lined, which limited the use of mechanical dredges or heavy equipment. Manual cleanout methods were slow, disruptive, and required frequent shutdowns, increasing operational costs and regulatory risk.
The Solution
The facility deployed a DSE-4000 Electric-Driven 4-Inch Dredge Sled to safely remove settled sludge while operating within the lagoon’s depth and liner constraints. The electric-driven submersible pump provided precise flow control and high-solids pumping, enabling dense sludge to be removed with minimal dilution water. The floating sled and remote winch system enabled accurate positioning and depth control without placing equipment or personnel inside the lagoon.
The Result
The lagoon’s working capacity was fully restored, improving overall treatment performance and reducing odor issues. Sludge removal was completed efficiently without liner damage or extended downtime. The facility established a repeatable maintenance dredging process, lowering long-term operating costs and improving compliance with environmental discharge requirements.
Call for sales or support
If you need assistance with pump selection, sales or engineering support, call 619-404-1916.
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Frequently Asked Questions
What type of material can the DSE-4000 Electric-Driven 4-Inch Dredge Sled handle?
The DSE-4000 is designed to pump abrasive slurries, including sludge, slurry, sand mixtures, fly ash, coal ash, biosludge, mine tailings, and mineral-rich sediments. It can handle solids up to 3 inches in diameter and slurry concentrations of 40-70% by volume, making it suitable for demanding dredging and pumping applications.
What flow rates and head performance can be expected from this dredge sled?
The system operates within a flow range of approximately 250 to 1200 GPM, with head capability up to 160 feet. Actual performance depends on material density, solids concentration, discharge distance, and system configuration, which can be optimized using the pump curve.
What power supply is required to operate the DSE-4000?
The dredge sled uses a submersible electric motor and requires either a generator rated around 100 kW or a suitable shore power connection. A NEMA 3R VFD or soft starter is used to control motor speed and manage power delivery efficiently.
Is the DSE-4000 suitable for shallow water dredging?
Yes. The dredge sled is specifically designed for shallow-water and confined environments, such as lagoons, ponds, reservoirs, and industrial basins. Its floating platform and controlled-depth operation enable effective dredging in areas where conventional dredges cannot operate.
How does the non-clog pump design benefit operations?
The non-clog design allows large solids and debris to pass through the pump without blockage. This reduces downtime, minimizes maintenance, and improves reliability when handling abrasive or high-viscosity materials commonly encountered in dredging applications.
What level of solids concentration can the pump handle efficiently?
The DSE-4000 is engineered to pump slurries with solids concentrations ranging from 40 to 70 percent by volume. This high solids capability reduces the need for excess water, lowers disposal volumes, and improves overall dredging efficiency.
How is the dredge sled positioned and controlled during operation?
The system uses remotely operated winches for lifting and traversing that allow operators to control dredge depth and horizontal movement from shore. This improves safety, enables precise dredging control, and eliminates the need for personnel to enter the water.
Can the system be customized with additional monitoring or performance equipment?
Yes. Optional equipment includes Doppler flow meters, discharge-line pressure gauges, and high-pressure jetting rings. These additions help operators monitor performance, optimize production, and adapt the system to specific material conditions.
What industries commonly use the DSE-4000 dredge sled?
The dredge sled is commonly used in lagoon dredging, wastewater treatment, mining and mineral recovery, sand and aggregate processing, fly ash and coal ash management, shallow industrial ponds, and dam or reservoir maintenance projects.
How does electric drive compare to hydraulic or diesel-driven dredge systems?
Electric drive offers precise speed control, consistent performance, and lower on-site emissions. It is well-suited for facilities with available electrical power and offers quieter operation, lower maintenance requirements, and improved energy efficiency compared to diesel-driven systems.
HD (Heavy Duty) Slurry Pumps / Dredge Equipment
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