Laboratory Pulverizer
Sealed Laboratory Assay Sample Preparation Pulverizer High Frequency Vibratory Grinding Mill for Ores Coal and Minerals
Item Number: PP-SL56
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Product Overview
This high-performance sealed laboratory pulverizer is engineered for rapid, high-throughput sample preparation across demanding material testing environments. Utilizing high-frequency impact and intense friction within a fully enclosed grinding chamber, the equipment reduces hard mineral, ore, coal, and rock samples to fine analytical fineness (80–300 mesh / 0.175–0.075 mm) in just 1 to 5 minutes. Its completely sealed design eliminates sample material loss and prevents airborne dust contamination, making it an indispensable asset for analytical precision.
Designed primarily for analytical laboratories in coal inspection, metallurgy, geology, mining, chemical processing, and building materials, this system bridges the gap between raw field samples and precise instrumental testing. It handles a wide range of sample hardness levels, from soft coal to ultra-hard minerals, accommodating batch sizes ranging from single 100-gram charges up to large-volume multi-bowl or 1000-gram processing setups.
Built to withstand continuous industrial laboratory operation, the pulverizer features an advanced eccentric vibratory drive mechanism mounted on a reinforced base. The unit delivers ultra-low operational noise, smooth dynamic balance, and long-term durability under heavy daily use. Small-footprint configurations require no anchor bolting, providing flexible installation while complying strictly with environmental safety and clean-laboratory standards.
Key Features
- High-Frequency Vibratory Impact Pulverization: Driven by an eccentric balance-weight shaft, the motor imparts violent, multi-directional dynamic vibration to the grinding bowl, forcing internal rings and pestles to rapidly crush, squeeze, and grind samples to sub-millimeter fineness.
- Zero-Loss Fully Sealed Chamber: The hermetically sealed bowl design retains 100% of fine powders, preventing cross-contamination, material loss, and hazardous dust release during high-intensity milling cycles.
- Versatile Material Selection for Grinding Bowls: To accommodate diverse sample compositions and avoid contamination, grinding bowls are available in common alloy steel, high-manganese steel, wear-resistant alloy steel, chromium steel, solid tungsten carbide (HRC 87–89), and high-purity natural agate.
- Ultra-Fast Processing Cycles: Reduces sample preparation time significantly, achieving uniform 80–200 mesh (or up to 300 mesh fine powder) within 1 to 6 minutes per operational cycle.
- Scalable Multi-Bowl Processing Options: Available in multi-element arrangements from single-bowl units up to 7-bowl synchronized systems, enabling high-throughput parallel sample preparation for busy assay labs.
- Integrated Digital Control & Electronic Timer: Equipped with intuitive electronic timing controls that allow precise batch repeatability and automated shutoff for consistent, human-error-free milling results.
- Robust Low-Noise Substructure: Features dynamic counter-balancing and heavy-duty shock absorption mounts that minimize structural vibration and operational noise, allowing benchtop or unanchored floor operation.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Coal & Coke Analytical Testing | Rapid milling of raw coal, metallurgical coke, and petroleum coke samples for proximate analysis, calorific testing, and sulfur determination. | Delivers uniform 80–200 mesh analytical samples in under 3 minutes without moisture or volatile loss. |
| Geological & Mining Exploration | Pulverization of hard rocks, core samples, drill cuttings, and mineral ores including copper, iron, gold, lead, zinc, and tin. | Heavy-duty tungsten carbide bowls handle abrasive minerals without excessive bowl wear or contamination. |
| Metallurgical & Slag Analysis | Processing of ferrous/non-ferrous alloys, furnace slag, sinter, and refractory raw materials prior to XRF/ICP chemical assay. | Extreme impact force breaks down tough sinter and slag structures quickly to 200-mesh fineness. |
| Chemical & Industrial Minerals | Particle size reduction of quartz, silica sand, limestone, feldspar, and ceramic materials. | Reproducible particle size distribution enhances sample dissolution and spectroscopic accuracy. |
| Contamination-Sensitive Assays | Fine milling of ultra-pure minerals and high-value materials using high-purity natural agate bowl sets. | Eliminates metallic trace element contamination for sensitive ICP-MS and trace element analysis. |
| Environmental & Soil Inspection | Grinding of dried soil, sediment, dried sludge, and environmental rock samples for heavy metal monitoring. | Dust-free sealed grinding protects lab operators from hazardous dust and prevents sample loss. |
Technical Specifications
Equipment Models and Operational Parameters
| Variant Model | Max Feed Size (mm) | Bowl Capacity & Quantity | Output Fineness (mesh / mm) | Processing Time (min) | Motor Power (kW) | Equipment Weight (kg) | External Dimensions (L×W×H mm) |
|---|---|---|---|---|---|---|---|
| PP-SL56-100-1 | ≤ 12 | 1 × 100 g | 100–200 mesh (0.175–0.075 mm) | 1–3 | 1.1 | 115 | 550 × 540 × 750 |
| PP-SL56-100-2 | ≤ 12 | 2 × 100 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.1 | 150 | 530 × 530 × 800 |
| PP-SL56-100-3 | ≤ 12 | 3 × 100 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.1 | 160 | 530 × 530 × 800 |
| PP-SL56-100-4 | ≤ 12 | 4 × 100 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.5 | 260 | 740 × 740 × 950 |
| PP-SL56-100-5 | ≤ 12 | 5 × 100 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.5 | 270 | 740 × 740 × 950 |
| PP-SL56-100-6 | ≤ 12 | 6 × 100 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.5 | 280 | 740 × 740 × 950 |
| PP-SL56-100-7 | ≤ 12 | 7 × 100 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.1 | 300 | 530 × 530 × 800 |
| PP-SL56-200-1 | ≤ 20 | 1 × 200 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.1 | 150 | 740 × 740 × 910 |
| PP-SL56-400-1 | ≤ 25 | 1 × 400 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.1 | 280 | 740 × 740 × 910 |
| PP-SL56-1000-1 | ≤ 12 | 1 × 1000 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.1 | 239 | 740 × 740 × 950 |
| PP-SL56-200-2 | ≤ 20 | 2 × 200 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.5 | 257 | 740 × 740 × 950 |
| PP-SL56-400-2 | ≤ 25 | 2 × 400 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.5 | 257 | 740 × 740 × 950 |
| PP-SL56-200-3 | ≤ 20 | 3 × 200 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.5 | 265 | 740 × 740 × 950 |
| PP-SL56-400-3 | ≤ 20 | 3 × 400 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.5 | 280 | 740 × 740 × 950 |
| PP-SL56-200-4 | ≤ 20 | 4 × 200 g | 100–200 mesh (0.175–0.075 mm) | 2–5 | 1.5 | 278 | 740 × 740 × 950 |
Grinding Bowl Material Options & Performance Profile
| Bowl Material Type | Material Hardness Rating | Recommended Application / Target Sample | Main Feature & Advantage |
|---|---|---|---|
| Standard Alloy Structural Steel | Base Alloy | General non-abrasive coals, soft minerals | Economical standard choice for routine coal testing. |
| High Manganese Steel | High Impact Toughness | Ores, limestone, medium-hard rocks | Work-hardens under impact, extending service life. |
| Wear-Resistant Alloy Steel | Elevated Hardness | General mining ores, abrasive coal, slag | Superior wear resistance for continuous multi-shift operation. |
| Chromium Steel Alloy | High Chrome Hardness | Hard minerals, industrial ceramics | Resists grooving and micro-chipping during pulverization. |
| Solid Tungsten Carbide | HRC 87–89 | Extremely hard rocks, quartz, tungsten ores | Maximum hardness; virtually zero wear on hardest minerals. |
| Natural Agate | Non-Metallic / Natural | High-purity chemicals, ultra-clean research samples | Zero metallic element contamination for ultra-trace assay. |
Why Choose This Product
- Superior Engineering Precision: Manufactured with precision-balanced eccentric shafts and heavy-duty motor drives, ensuring steady vibration amplitude, uniform energy transfer, and predictable grinding results every batch.
- Extreme Wear Resistance & Component Longevity: Offered with specialized tungsten carbide (HRC 87–89) and high-alloy bowl assemblies engineered to withstand extreme mechanical impact without premature degradation.
- Flexible Laboratory Integration: Comprehensive choice of single and multi-bowl models ranging from 100g to 1000g single-bowl capacities allows seamless matching with specific daily throughput demands.
- Clean Environment Compliance: Modern fully enclosed structure prevents fine dust leakage, protecting operator health, keeping analytical lab space clean, and eliminating cross-sample contamination.
- Dedicated Technical Support: Backed by a comprehensive sample testing laboratory and expert support team capable of matching ideal bowl materials and operational parameters to your specific mineral compositions.
Contact our technical sales team today to request a detailed quote or consult on custom grinding bowl configurations tailored to your laboratory's material testing requirements.
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