Granite
River pebble, calcite, quartzite, marble, pebble, bentonite, iron ore, bluestone, mountain stone, water slag, limestone, weathered sand, diabase, granite, basalt and so on
- Feed size:25-100mm
- Productive capacity:5-450t/h
Application:Highway, railway, high-rise buildings, municipal, hydropower dam construction, concrete mixing station, sand and stone field, etc.
High-Abrasion Aggregate Blueprint
High-Efficiency Granite Crushing & Sand Production Solution
A streamlined, low-wear engineering blueprint deploying hydraulic double roller technology to conquer tough granite aggregates with minimum maintenance costs.
The Challenge: High Wear & Poor Particle Shape
Granite features a high quartz content, giving it a severe Mohs hardness of 6–7. When quarry operators use traditional impact crushers or VSIs (Vertical Shaft Impactors) for fine sand making, the highly abrasive granite tears through blow bars and liners within days. Furthermore, traditional compression setups often produce elongated, flaky needle-like particles that fail strict concrete grade specifications.

Granite
The Solution: Closed-Circuit Hydraulic Roll Fragmentation
Our streamlined solution optimizes the secondary and tertiary stages by replacing high-speed kinetic impactors with the 2PGY Hydraulic Double Roller Crusher. The system operates under a direct, closed-circuit configuration:
Rock-on-Rock Low Wear Mechanism
By utilizing low-RPM rotation combined with massive hydraulic cylinder pressure, the material is crushed through inter-particle compression. This minimizes direct sliding friction against the roller shells, extending liner lifespans by up to 4–6 times compared to impact systems.
Perfect Cubical Sand Matrix
The continuous, high-pressure planar squeeze shatters flat and elongated rocks easily. The final output yields highly consistent, cubical premium aggregate with a stable fineness modulus, ideal for high-strength ready-mix concrete.
Measurable Plant Gains
• Up to 60% Maintenance Cost Reduction: Eliminates weekly emergency shutdowns to swap out shattered impact bars.
• Optimized Fines Control: Minimizes useless stone dust waste, keeping valuable sand fractions within the high-revenue 0.15–5mm range.
• Automatic Tramp Protection: Dual hydraulic accumulators instant-bypass uncrushable excavator teeth or iron contaminants safely without stopping the line.
Slash Your Granite Operational Costs
Stop wasting profit on rapid metal wear parts. Connect with our engineering desk with your raw feed size and hourly capacity targets.
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Our Cases
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