With the surge in urban infrastructure projects—such as shield tunneling, deep piling, and trenchless piping—managing the massive volumes of construction slurry has become critical for project timelines and environmental compliance. Slurry separation system have emerged as the industry-standard solution for efficient solid-liquid separation.
Technical Core: Multi-Stage Solid-Liquid Separation Process
The slurry separation system is an integrated system of solids control units designed for slurry recycling and waste minimization:
Pre-treatment: Scalping screens remove bulk gravel and clay clumps to protect downstream equipment.
Sand & Silt Removal: Desander and desilter hydrocyclones utilize centrifugal force to separate medium-to-fine particles.
Dewatering: For high-clay slurry, chemical conditioning promotes flocculation. Decanter centrifuges or filter presses then produce low-moisture “filter cakes” for easy disposal.
Fluid Reuse: Purified liquid is pumped back for immediate reuse, maintaining a closed-loop operation.
Professional Alignment with Industry Application Scenarios
Slurry separation system offer high adaptability across four core underground engineering sectors:
Slurry Balance Shield (TBM): Handles high flow rates while precisely controlling density and viscosity to maintain face pressure.
Bored Piling: Provides compact, rapid-deployment solutions for rotary, reverse circulation, and impact drilling.
Diaphragm Walls: Supports trenching with hydraulic grabs or cutters, ensuring slurry stability and trench quality.
Trenchless Construction: Rapidly purifies slurry in HDD and pipe jacking to minimize urban environmental impact.
Value Realization: Compliance and Cost Optimization
Environmental Benefits: Slurry separation system achieves waste minimization at the source, eliminating the pollution risks of traditional mud pits and meeting green construction standards.
Economic Benefits: Recycling significantly cuts costs for fresh water and bentonite. Additionally, dewatered filter cakes reduce waste volume and transportation fees, enhancing overall efficiency.
The Slurry Separation system is an essential component of modern underground engineering. Optimal system selection requires a scientific analysis of the excavation strata to balance performance and cost-effectiveness. KOSUN provides customized designs tailored to global geological conditions and specific onsite requirements.