GN Separation have recently engineered and delivered a modular hydrovac slurry dewatering system for an international client, offering a high-efficiency, reliable solution for treating construction slurry, drilling mud, and industrial wastewater. This advanced system integrates five key modules—coarse screening, fine screening, desanding & desilting, centrifugation, and chemical dosing—to ensure effective solid-liquid separation and full environmental compliance.
Core System Modules
- Coarse Screening Module – GNLMP-1536
The GNLMP-1536 mining coarse screenuses advanced screening technology to remove large particles from slurry. With high efficiency and large throughput, it serves as the first step in pretreatment, optimizing downstream separation performance. - Double-Layer Fine Screening Module – GNZS596K Shale Shaker
The GNZS596K double-deck shakeris widely applied in piling, tunneling, oil & gas drilling, and industrial separation. With a processing capacity of up to 140 m³/h (616 GPM), its dual-layer design improves separation accuracy for finer solids removal.
- Desander & Desilter Module – GNZJ594J-8N
This integrated mud cleaner combines desander and desilter cyclones with a bottom shaker in a compact unit. Designed for secondary and tertiary solids control, it efficiently removes fine particles to maintain fluid quality in drilling operations. - Decanter Centrifuge Module – GNLW553D-VFD
The GNLW553D-VFD decanter centrifugeis a high-performance 22-inch bowl decanter centrifuge featuring a full VFD control system (ABB/Siemens). It automatically adjusts feed rate, bowl speed, and differential speed for optimal dewatering. With a 3.3:1 or 4.2:1 length-to-diameter ratio, it’s ideal for high-capacity applications. - 20ft Chemical Dosing & Flocculation Module
GN’s automatic chemical dosing unit supports polymer mixing, storage, and injection with full automation. Ensuring precise flocculant dosing, it enhances dewatering efficiency and is compatible with decanters, screw presses, and filter presses. Applications span petroleum, chemical, paper, coal, pharmaceutical, and food industries.
System Advantages
✔ Modular Design – Facilitates transport, installation, and rapid on-site commissioning
✔ High Efficiency – Multi-stage separation from coarse to fine
✔ Intelligent Control – Automated centrifuge and dosing operations minimize manual labor
✔ Eco-Friendly – Significantly reduces waste volume and meets strict environmental standards