Hydraulic double roll crusher
ASTON Hydraulic Double Roll Crusher: Precision Reduction for High-Capacity Circuits
Engineered for continuous heavy-duty operations, the ASTON hydraulic double roll crusher provides a high-efficiency solution across cement clinker, sand manufacturing, chemical, mining, and steel industries. By applying stable compression and shearing forces, this advanced system processes diverse mineral feeds directly within high-throughput production lines.
Upgraded with an intelligent hydraulic power unit, the machine maintains constant roll-gap pressure while providing automated overload protection against non-crushable tramp iron. At the heart of the system, dual counter-rotating rollers equipped with heavy-duty alloy shells ensure precise gap adjustment, minimizing component wear and delivering uniform product output under demanding loads.
Functioning as a crucial size-reduction or fine-crushing stage in modern processing plants, this hydraulic twin-roll system seamlessly integrates with upstream feed systems and downstream screening circuits. Its controlled crushing force effectively limits material over-pulverization, ensuring a high-yield output of target-sized aggregates that maximizes overall plant profitability.
Feed size: 25~100mm
Capacity: 2~350t/h
Price: 2000-10000usd
Coarse stone
Middle size stone
Fine stone
Application field of hydraulic double roll crusher
Material
Engineered to process a broad spectrum of soft to medium-hard minerals—including river pebbles, limestone, quartz, iron ore, coal, coke, shale, and cement clinker—delivering exceptional compression performance on brittle, sticky, or moisture-rich materials without clogging.
Application
Extensively applied in manufactured sand production lines, cement plants, metallurgy, coal preparation facilities, chemical processing, and building material operations that demand strict particle size distribution and high-volume, uninterrupted reduction.
Hydraulic double roll crusher features:
- Compact footprint & Easy maintenance: Engineered with a streamlined structural layout, the machine minimizes plant space requirements while enabling quick inspection and straightforward maintenance to reduce downtime.
- Internal dust-proof sealing: Integrated with specialized internal sealing plates, the enclosure prevents airborne dust leaks and eliminates material fragment splashing during high-speed rolling operations.
- Low-dust emission: Featuring a fully enclosed casing architecture, the machine controls dust dispersion at the discharge zone, meeting strict environmental regulations across processing sites.
- Low-vibration & Quiet operation: Optimized roller dynamics and absorbed mechanical shock deliver steady, reduced-noise performance, creating a cleaner and safer operating environment for plant personnel.
Specification of hydraulic double roll crusher:
| Model | Roller diameter (mm) | Feed size (mm) | Capacity (t/h) |
| 2PGT400x250 | ≤400 | ≤25 | 2-10 |
| 2PGT400x400 | ≤400 | ≤25 | 5-12 |
| 2PGT610x400 | ≤610 | ≤30 | 5-20 |
| 2PGT750x500 | ≤750 | ≤30 | 10-40 |
| 2PGT800x600 | ≤800 | ≤40 | 12-50 |
| 2PGY800x1000 | ≤800 | ≤40 | 50-80 |
| 2PGY1000x800 | ≤1000 | ≤40 | 45-80 |
| 2PGY1000x1000 | ≤1000 | ≤40 | 50-100 |
| 2PGY1000x1200 | ≤1000 | ≤40 | 50-120 |
| 2PGY1200x1000 | ≤1200 | ≤50 | 60-130 |
| 2PGY1200x1200 | ≤1200 | ≤50 | 80-150 |
| 2PGY1500x1000 | ≤1500 | ≤80 | 120-200 |
| 2PGY1800x1000 | ≤1800 | ≤80 | 150-230 |
| 2PGY2000x1000 | ≤2000 | ≤100 | 320-350 |
Materials processed by hydraulic double roll crusher
Dolomite
Chalk
Limestone
Marble
Gypsum
Bricks & Tiles
Fluorite
Coal gangue
Phosphate rock
Rock salt
Talc
Shale
Versatile applications for hydraulic double roll crusher
Delivering precise size reduction with minimal over-pulverization, the ASTON hydraulic double roll crusher is optimized for demanding crushing environments.
Across cement manufacturing plants and sand production facilities, this machine utilizes regulated hydraulic forces to maintain consistent output gradation, effortlessly handling cohesive or moisture-laden feeds that clog conventional systems.
Typical application areas
Cement clinker processing:
Pre-crushing raw clinker before finish grinding mills, significantly reducing energy consumption and increasing overall mill capacity.
Sand making & aggregate reshaping:
Secondary or tertiary crushing for river pebbles, quartz, and limestone, producing well-shaped manufactured sand with strict dust ratio control.
Coal & metallurgical coking facilities:
Controlled size reduction of brittle coal, coke, and sinter, preventing unwanted fines generation while maintaining uniform feed size for boilers or furnaces.
Chemical & industrial mineral processing:
Reliable crushing of salt, fertilizer, shale, and sticky clay without material buildup or downtime caused by high moisture content.
Explore industrial applicationsWorking process of hydraulic double roll crusher
Operating with a high-torque dual-roller system, the hydraulic double roll crusher processes bulk material through continuous mechanical force. By combining surface friction, high-pressure compression, and shearing action, the machine delivers precise particle reduction with efficient downward discharge.
Bulk material enters through the feed hopper and lands directly onto the counter-rotating cylindrical rollers. Driven by surface friction and gravity, the feed is continuously drawn into the crushing gap between the parallel rolls.
As the dual rollers rotate inward, the material experiences combined forces of intense compression, high-speed shearing, and localized attrition within the restricted roll gap.
When these localized mechanical stresses exceed the internal cohesive strength of the material’s crystal lattice, the feed instantly fractures into smaller, uniform fragments.
The counter-rotating movement of the rollers pushes the fully crushed material downward, releasing it smoothly through the bottom discharge zone without clogging or material bridging.
Hydraulic double roll crusher main components
Every component in the ASTON hydraulic double roll crusher—from high-torque power units to specialized roller shells—works in synergy to deliver continuous, energy-efficient performance. This integrated setup allows plant operators to maintain strict output sizes while preventing sudden mechanical jams.
Connecting the motor and reducer, the torque-limiting hydraulic coupling absorbs start-up inertia while smart sensors monitor operational load in real time, delivering automated dual protection against mechanical overloads.
Built with heavy-duty hydraulic positioning cylinders, this assembly precisely regulates the spacing between the rollers on-demand, allowing quick adjustments for output granulometry and compensating for roller shell wear.
Dedicated to the heavy-duty roller bearings, the intensive automated lubrication system continuously delivers grease to friction points, reducing thermal buildup and wear to extend bearing operational life.
Featuring a specialized tooth geometry, the heavy-duty roller shells exert localized tensile and shearing forces on incoming material, maximizing crushing efficiency, lowering energy consumption, and ensuring consistent particle gradation.
