The Challenge: Moisture & Process Stalls

How APEX 4PG1210PT Achieved 100% Clog-Free Gangue Crushing

A major coal mining facility faced a recurring production nightmare: during rainy seasons, raw coal gangue moisture would spike to 30%. Their existing screening-based crushing circuit would clog within hours, leading to constant system stalls, excessive manual cleaning labor, and significant revenue loss from production downtime.

The Engineered Solution: APEX 4PG1210PT

Our engineering team deployed the 4PG1210PT Four Roller Crusher to replace the inefficient screening circuit. By utilizing a screen-less, two-stage extrusion mechanism, the unit forced gangue through a controlled gap using high-pressure shear force, rendering traditional screens obsolete.

Key Performance Results

• 100% Clog-Free: Continuous operation achieved, even with 30% moisture content.
• 30% Footprint Reduction: Removal of external screens and material return loops streamlined the entire plant layout.
• 25% Lower Annual Costs: Durability of high-chromium rollers and support for on-site surfacing significantly reduced spare part expenses.
• One-Time Forming: Successfully achieved desired particle size output in a single pass without manual intervention.

Conclusion

This project demonstrated that by matching the right crushing technology—specifically a screen-less, high-torque four-roller system—to the physical characteristics of the material (viscosity and moisture), plants can transform a bottlenecked production line into a stable, high-yield asset.

Is your plant struggling with material clogging?

Let our engineers analyze your mineral profile. Connect directly with our layout specialists to customize your screen-less crushing circuit.