For Chennai’s hard rock quarries processing granite/basalt gravel blocks, our optimized crushing circuit delivers 200-250TPH high-quality aggregates with >95% cubicity rate.
| Equipment | Model | Key Parameters |
|---|---|---|
| Primary Jaw Crusher | C6X160 | Inlet: 1200×1500mm, Capacity: 300TPH |
| Secondary Cone Crusher | HPT300 | Max Feed: 240mm, Adjustment Range: 16-38mm |
| Tertiary Impact Crusher | VSI6X1263 | Rotor Speed: 1800rpm, Sand Yield: 70%+ |
| Vibrating Screen | S5X2760-3 | Deck Layers: 3, Screening Area: 27㎡ |
The three-stage closed-circuit system features:
1. Grizzly feeder removes <50mm fines before primary crushing
2. Hydraulic cone crusher ensures consistent 20-40mm feed for VSI
3. Airflow sieve classifies finished sand (0-5mm) with ≤15% silt content
Q1: How to reduce flakiness index?
A: Use HPT cone crusher with interparticle crushing principle at CSS=22mm.
Q2: Power consumption per ton?
A: Approximately 1.8-2.2kWh/t depending on rock hardness (Mohs≥7).
Sri Balaji Quarry (2023): Achieved M-Sand Zone-II grading with:
– Throughput: 220TPH
– Product mix: 45% coarse aggregates (10-20mm), 30% fine aggregates (5-10mm),
