Laboratory Pulverizer
Sealed Laboratory Sample Preparation Pulverizer Vibratory Disc Grinding Mill for Ores Coal and Minerals
Item Number: PP-SL57
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Product Overview
This high-performance sealed laboratory sample preparation pulverizer is specifically engineered for rapid, dust-free size reduction of medium-hard non-metallic materials and brittle metals. Designed to process raw feed materials with particle sizes up to 13 mm, the equipment reduces samples down to an ultra-fine 80 to 200 mesh powder in just 1 to 4 minutes. By utilizing a high-speed vibratory grinding mechanism with sealed bowl assemblies, this system produces highly uniform sample powders ready for immediate analytical testing without requiring secondary manual sieving.
Built primarily for high-throughput testing environments, the pulverizer serves critical analytical workflows across coal processing plants, thermal power stations, geological exploration centers, mining facilities, metallurgical research laboratories, and environmental testing institutions. Whether preparing coal samples for calorific evaluation, pulverizing mineral ores for XRF/ICP analysis, or processing rock cores for geochemical testing, the equipment ensures consistent particle size distribution while completely isolating samples from ambient dust contamination.
Engineered with robust mechanical dampers and balanced eccentric drive components, this unit maintains exceptionally smooth operation with minimized vibration and low operational noise. Heavy-duty construction and precision-machined grinding elements ensure uninterrupted performance under demanding daily laboratory operations. The system provides laboratory technicians with a dependable, efficient, and reproducible sample preparation solution that significantly shortens analytical lead times.
Key Features
- High-Speed Vibratory Impact Grinding: Advanced eccentric motor drive generates intense multidirectional vibratory forces, causing the internal crushing ring and puck to rapidly impact and grind materials against the bowl wall for rapid particle breakdown.
- Hermetically Sealed Bowl Construction: Totally enclosed sample containers prevent fine powder escape and protect laboratory air quality while ensuring 100% material recovery and eliminating cross-contamination between consecutive batches.
- Sieve-Free Direct Sampling: High-impact kinetic energy distribution ensures complete material comminution, producing an ultra-fine 80–200 mesh powder output directly suitable for chemical digestion, XRF pelletizing, or elemental analysis without manual screening.
- Ultra-Fast Processing Cycle: Efficient grinding chamber geometry reduces standard sample preparation cycles to just 1 to 4 minutes per batch, drastically increasing sample throughput for high-volume quality control testing.
- Low-Noise and Vibration-Damped Operation: Built on a heavy-duty structural base equipped with high-efficiency isolation mounts, the system operates smoothly with minimal noise generation and zero mechanical drift on laboratory benches.
- Wear-Resistant Bowl Components: Grinding bowls, rings, and pucks are manufactured from high-density, wear-resistant alloy materials to resist surface abrasion and minimize metallic contamination during intense pulverization.
- Flexible Batch Capacity Options: Available in single-bowl and multi-bowl configurations to accommodate varying laboratory sample sizes, ranging from small 50g analytical charges up to triple-bowl 300g total throughput runs.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Coal & Coke Quality Testing | Pulverizes run-of-mine coal, washed coal fines, and metallurgical coke samples to sub-200 mesh for proximate analysis, sulfur content, and calorific value determination. | Delivers rapid, dust-free sample preparation that prevents moisture loss and volatile component degradation during grinding. |
| Mining & Geological Ore Prep | Rapidly grinds hard rock cores, mineral ores, silicates, and tailings down to fine powders for XRF spectrometry, atomic absorption, and ICP assaying. | Provides uniform particle size reduction without selective grinding, preserving elemental representation across all sample fractions. |
| Power Generation Fuel Analysis | Prepares pulverizable fuel feed, fly ash, and bottom ash samples in thermal power stations to monitor combustion efficiency and environmental compliance. | Shortens sample processing turnarounds, allowing real-time adjustment of boiler fuel blends and emissions monitoring. |
| Metallurgy & Alloy Research | Reduces brittle metals, ferroalloys, slag, and fluxing agents into micro-powders for chemical compositions analysis and metallurgical quality control. | High kinetic energy breakdown easily handles brittle metallic matrices without clogging or excessive tool wear. |
| Ceramic & Raw Glass Testing | Grinds quartz, feldspar, limestone, clays, and ceramic frits for physical property testing, X-ray diffraction, and chemical quality verification. | Prevents iron contamination when using wear-resistant grinding media options, ensuring pure elemental analytical results. |
| Environmental Soil & Sediment Testing | Commits dried soil samples, geological sediments, and solid waste residues to homogeneous powders for heavy metal and pollutant screening. | Fully enclosed grinding prevents sample loss and eliminates aerosol dust propagation within containment facilities. |
Technical Specifications
| Specification Parameter | Model PP-SL57-50 | Model PP-SL57-1 | Model PP-SL57-2 | Model PP-SL57-3 |
|---|---|---|---|---|
| Sample Charge Capacity (g) | 50 g | 100 g | 200 g (100 g × 2) | 300 g (100 g × 3) |
| Maximum Feed Size (mm) | ≤ 13 mm | ≤ 13 mm | ≤ 13 mm | ≤ 13 mm |
| Discharge Particle Size | 80–200 mesh | 80–200 mesh | 80–200 mesh | 80–200 mesh |
| Pulverizing Duration | 1–4 min | 1–4 min | 1–4 min | 1–4 min |
| Rated Voltage (V) | 220 V | 380 V | 380 V | 380 V |
| Motor Power (kW) | 0.5 kW | 1.1 kW | 1.1 kW | 1.5 kW |
| Machine Weight (kg) | 30 kg | 120 kg | 130 kg | 150 kg |
| Overall Dimensions (mm) | 350 × 350 × 450 | 550 × 500 × 720 | 550 × 500 × 720 | 550 × 500 × 720 |
| Operating Mechanism | Sealed Vibratory Ring & Puck Mill | Sealed Vibratory Ring & Puck Mill | Sealed Vibratory Ring & Puck Mill | Sealed Vibratory Ring & Puck Mill |
| Working Noise Level | Low Noise Operation | Low Noise Operation | Low Noise Operation | Low Noise Operation |
Why Choose This Product
- Engineered for Extreme Durability: Constructed with heavy-gauge structural components and high-torque motors, this equipment is built to withstand continuous daily sample grinding without performance degradation.
- Maximum Operational Efficiency: Achieving target mesh sizes in under four minutes eliminates laboratory bottlenecks, allowing your analytical team to process significantly more samples per shift.
- Exceptional Analytical Repeatability: Controlled vibratory motion and precision-engineered grinding rings guarantee consistent particle distribution across every batch, ensuring highly accurate downstream laboratory analysis.
- Clean and Ergonomic Operation: The quick-locking sealed bowl assembly prevents dust leakage, keeping operator workspaces clean, safe, and free from airborne particulate hazards.
- Comprehensive Scalability & Support: Available in single-phase desktop (PP-SL57-50) and industrial three-phase multi-bowl variants (PP-SL57-1, PP-SL57-2, PP-SL57-3), backed by expert technical service and ready spare parts availability.
Contact our technical sales team today to request a quote or discuss customized sample preparation configurations tailored to your laboratory's material processing requirements.
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