DC355-VFD Variable Frequency Decanter Centrifuge System Efficient, Intelligent, and Sustainable Mud Treatment

Nov 07, 2025

The DC355-VFD High-Speed Decanter Centrifuge System is an integrated solid-liquid separation solution designed for drilling mud, chemical suspensions, and environmental sludge. It combines a DC355-VFD horizontal centrifuge, 60m³ mud tank, agitators, and slurry pump, forming a closed-loop treatment system for efficient, automated operation.

                                    

 

Key Features

1. High-Efficiency Separation
With a drum speed of 3900 RPM and a separation factor of 2033, the centrifuge achieves rapid, precise separation of solids and liquids. The filter-free design prevents clogging, making it suitable for oily, viscous, and fibrous materials such as petrochemical sludge.

2. Durable and Energy-Saving Design
The hard-alloy screw conveyor doubles wear resistance, while dual variable-frequency motors recover auxiliary motor energy, cutting power use by around 10%.

3. Intelligent Mud Tank System
The 60m³ tank features anti-settling design, automatic level and density detection, and remote feed control via electric actuators. Motors are IP55, ExdBT4-rated, ensuring safe operation in harsh field conditions.

4. Compact and Environmentally Friendly
A fully enclosed structure prevents leakage and contamination, while the compact footprint fits easily into constrained drilling sites.

Technical Highlights

Centrifuge: Ø355×1257mm drum, 35 m³/h capacity, D50 = 2–5µm
Main/auxiliary motors: 30 kW / 7.5 kW
Tank: 60 m³, inclined 3° bottom for easy sand discharge
Slurry pump: 40 m³/h flow, 10.5 m head

 
Operational Principle
Mud is pumped into the centrifuge, where centrifugal force separates solids and liquids. The processed mud achieves optimal density and viscosity for reuse, while clean fluid is automatically transferred to downstream systems—enabling continuous recycling and energy efficiency.
 
Applications
Ideal for drilling mud purification, chemical processing, industrial sludge treatment, and environmental waste recovery.
 
The DC355-VFD Decanter Centrifuge System delivers efficient, intelligent, and sustainable solids control. Its advanced design ensures maximum fluid recovery, reduced waste, and long-term reliability—helping operators achieve zero discharge and a cleaner, more efficient drilling environment.