GN Separation has recently completed the delivery of a Hydraulic Drive Decanter Centrifuge (Model: GNLW364-FHD) to an overseas starch processing facility. Powered by Viscotherm’s advanced hydraulic technology, this system delivers efficient, high-performance solid-liquid separation, particularly for high-viscosity applications.
How a Hydraulic Decanter Centrifuge Works
A Hydraulic Drive Decanter Centrifuge is essential for industries requiring continuous, high-efficiency separation of solids from liquids. The process leverages centrifugal force to separate materials based on density differences:
Feed Introduction – The slurry (e.g., starch slurry) enters the rotating bowl via a stationary feed tube.
Centrifugal Sedimentation – At speeds of 2,000–4,000 RPM (up to 3,000×G), denser solids migrate toward the bowl wall, while lighter liquid forms an inner layer.
Conveyor Mechanism – A screw conveyor (rotating at a slightly different speed) transports solids to the discharge end.
Phase Separation – Clarified liquid exits through adjustable weirs, enabling precise separation control.
Unlike traditional mechanical gear systems, hydraulic drive technology provides variable speed control and dynamic torque adjustment, optimizing performance under fluctuating feed conditions.
Key Benefits of GN’s Hydraulic Drive System
GN’s centrifuge integrates Viscotherm’s hybrid hydraulic-mechanical drive, offering significant advantages for high-viscosity, high-solids applications:
✔ Stable Torque & Smooth Operation – Minimizes vibration and noise while enhancing separation efficiency.
✔ Precise Differential Speed Control – Enables fine-tuning for optimal separation, even at extremely low differential speeds.
✔ Robust Performance in Harsh Conditions – Designed for high-temperature, high-humidity environments with superior heat dissipation.
✔ Reliable Sealing System – Protects hydraulic oil purity, reducing maintenance and downtime.
✔ Compact & Lightweight – Reduces bearing load, extending equipment lifespan.
Applications of Hydraulic Decanter Centrifuges
GN’s Hydraulic Drive Decanter Centrifuges are ideal for demanding industries, including:
Starch Production – Efficient solid-liquid separation in starch production.
Wastewater Treatment – Effective solids removal for compliance with environmental standards.
Chemical & Pharmaceutical – High-purity separation in sensitive manufacturing processes.
Mining & Minerals – Recovery of valuable minerals from slurry streams.
Why Choose GN Separation?
GN’s GNLW364-FHD hydraulic decanter centrifuge combines cutting-edge hydraulic drive technology with proven separation efficiency, making it an ideal solution for high-viscosity challenges.
Interested in learning more? Contact GN Separation today to discuss your specific application needs.
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