Roll Crushers
Sealed Double Roll Crusher for Laboratory Coal and Ore Sample Preparation
Item Number: PP-RC04
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Product Overview
This sealed double roll crusher is a robust laboratory instrument engineered for precise sample preparation of medium-hardness materials. Using two counter-rotating rollers, it applies extrusion force to reduce feed particles into uniform sizes—critical for reproducible analytical results. Its design ensures high capacity with minimal maintenance, making it a workhorse in industrial labs.
Typical applications include crushing coal, ore, rock, and other brittle non-metallic substances. Industries such as mining, power generation, chemical research, and building material testing rely on this equipment for quality control and process optimization. The ability to achieve a consistent discharge size streamlines downstream processing.
Built with heat-treated carbon steel rollers and a fully sealed housing, this unit delivers long-term durability and safe operation. Even under continuous use, it maintains performance, preventing sample cross-contamination and protecting personnel from dust exposure.
Key Features
- Robust Roller Design: Rollers made from carbon structural steel with heat treatment provide medium hardness and exceptional wear resistance, ensuring years of reliable operation without material adhesion.
- Adjustable Output Size: Simple gap adjustment mechanism allows precise control of final particle size, meeting diverse analytical requirements from coarse to fine crushing.
- Sealed Dust-Containment Housing: Fully sealed construction prevents sample cross-contamination and protects operators from dust, making it safe for lab environments.
- High Crushing Ratio: Efficient double-roll action delivers a high reduction ratio, transforming feed material up to 13mm into discharge sizes as small as 3mm in a single pass.
- Low-Moisture Compatibility: Optimized for brittle materials with moisture content below 6%, preventing clogging and ensuring smooth, continuous operation.
- Flexible Roller Types: Available with smooth or toothed rollers to accommodate different material characteristics and achieve desired particle shapes.
- Compact and Sturdy Frame: Heavy-duty welded design minimizes vibration and saves bench space, allowing easy integration into existing lab setups.
- Low Maintenance: Simple, accessible components reduce downtime and maintenance costs, ideal for high-throughput industrial laboratories.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Coal Sampling in Power Plants | Rapid crushing of coal samples to standardized sizes for proximate analysis and quality control. | Ensures representative sampling and compliance with ASTM standards. |
| Ore Prospecting and Mining | Processing drill core and mine samples of various ores to prepare homogeneous powders for assay. | Reliable size reduction down to -3mm, suitable for subsequent grinding. |
| Ceramic Raw Material Prep | Crushing frit, grog, and other brittle ceramic precursors before ball milling. | Produces uniform flakes that improve milling efficiency and reduce contamination. |
| Geological Research | Sample preparation of rocks and minerals for petrographic and geochemical analysis. | Adjustable gap provides consistent particle size distribution for accurate studies. |
| Chemical Production QC | Breaking down medium-hardness chemical granules and intermediates for testing. | Sealed operation prevents cross-contamination between sensitive batches. |
| Building Materials Testing | Crushing clinker, limestone, and gypsum for laboratory analysis in cement plants. | Handles materials up to 60MPa compressive strength with minimal fine generation. |
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Codes | PP-RC04, PP-RC04-B |
| Roller Type | Smooth (standard), Toothed (optional) |
| Max Feed Size | ≤13 mm |
| Discharge Size | ≤3 mm |
| Capacity | 0.3 – 1.0 T/h |
| Motor Power | 3.0 kW |
| Applicable Materials | Coal, ore, rock, and other brittle non-metallic substances |
| Max Compressive Strength | 60 MPa |
| Material Hardness | ≤ 3 on Mohs scale (approx.) |
| Max Moisture Content | < 6% (to avoid particle bonding) |
| Crushing Method | Extrusion crushing between two rollers |
| Roller Material | Carbon structural steel, heat-treated |
| Sealing | Fully sealed design |
| Optional Configuration | Horizontal installation (custom) |
Why Choose This Product
- Precision Engineering for Lasting Performance: The heat-treated carbon steel rollers and robust welded frame are built to maintain tight tolerances after years of heavy use, delivering consistent crush quality and minimizing unplanned downtime.
- Versatile and Customizable: With optional smooth or toothed rollers and customizable horizontal configurations, this crusher adapts to your specific material and workflow, ensuring a perfect fit for diverse laboratory needs.
- Safe and Clean Operation: The sealed housing design effectively contains dust and debris, protecting both your samples and personnel, while reducing cross-contamination risks—a critical advantage for ISO-certified labs.
- Energy-Efficient Design: The 3.0 kW motor provides ample crushing force while keeping energy consumption low, contributing to reduced operational costs over the equipment's life cycle.
- Expert Support and Service: We offer comprehensive technical assistance, from installation guidance to ongoing maintenance support, ensuring you get maximum return on your investment. Contact us today for a quote or to discuss custom modifications that accelerate your sample preparation workflow.
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