Crusherblocks has delivered a turnkey 300-ton-per-hour sand and aggregate production system in Tongchuan, Shaanxi, processing limestone and bluestone into high-precision materials for Northwest China’s infrastructure boom. This modular, eco-friendly plant exemplifies next-generation crushing efficiency, combining primary crushing, shaping, and sand-making technologies to meet GB/T 14685-2022 standards.
Project Snapshot
Location: Tongchuan, Shaanxi Province (Silk Road Economic Belt Core Zone)
Design Capacity: 300t/h (Annual Output: 800,000+ Tons)
Feed Material: Bluestone (Mohs 4-5), Limestone (Mohs 3)
Final Products:
0-5mm Machine-made Sand (Concrete Mix Design)
5-10mm, 10-20mm, 20-31.5mm Aggregates (Road Base & Bridge Construction)
Smart Equipment Configuration
1. Primary Crushing Stage
GZD1349 Vibrating Feeder: 15° inclined grid bars pre-screen ≤500mm lumps, removing 12% soil content.
PE750×1060 Jaw Crusher: Processes 630mm feed to ≤150mm fragments via 200kW motor drive.
2. Secondary Shaping & Sand Making
PF1315 Impact Crusher: Multi-cavity rotor converts 150mm input to 0-40mm with <10% needle content.
6X1263 Vertical Shaft Impact Crusher: Produces 0-5mm sand (fineness modulus 2.8-3.0) via dual-motor 440kW drive.
3. Precision Screening
3YK3075 Triple-Deck Screen: Achieves 95% sizing accuracy across 5-31.5mm fractions.
Closed-Circuit Design: 25% oversize recirculation to optimize cubical particle yield.
Modular & Eco-Conscious Engineering
Plug-and-Play Modules:
Pre-assembled steel frames reduce onsite installation time by 40%
Soundproof enclosures (≤75dB) for urban-area compliance
Dust Suppression System:
8 pulse-jet bag filters (emission <10mg/m³)
Water mist sprays at transfer points
Performance Metrics
Bluestone Processing: 287t/h sustained output with 22kW·h/t energy efficiency
Limestone Adaptation: Quick-change wear parts enable material switch in <2 hours
Zero-Waste Operation:
100% utilization of screen undersize (soil) for land rehabilitation
98.5% equipment availability via IoT predictive maintenance