Crushing & Grinding Machine
Sealed Laboratory Sample Preparation Pulverizer Vibratory Grinding Mill for Brittle Materials Assay
Item Number : PSB
Price varies based on specs and customizations
- Feed Particle Size
- ≤13 mm to ≤28 mm
- Discharge Fineness
- 80 - 300 Mesh (Adjustable)
- Processing Time
- 2 - 6 Minutes / Batch
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Product Overview


This high-speed sealed laboratory sample preparation pulverizer is engineered for the rapid, contamination-free grinding and micro-pulverization of brittle materials. Built to reduce coarse feed stock down to fine, analytical-grade powders ranging from 80 to 300 mesh within a brief 2 to 6-minute cycle, the unit provides reliable sample processing essential for precise spectroscopic, chemical, and physical assays. Its totally enclosed operation ensures complete sample containment, preserving sample integrity while protecting the laboratory environment from airborne dust and cross-contamination.
Designed specifically for demanding analytical workflows, this equipment serves as an indispensable tool across geological prospecting, mining exploration, metallurgical processing, coal quality assessment, power plant operations, environmental monitoring, building materials inspection, and academic research. Whether preparing hard mineral ores, coal, coke, slag, ceramics, or brittle chemical compounds, the unit delivers highly repeatable particle size reduction required for XRF, XRD, atomic absorption, and wet chemistry analysis.
Crafted with industrial-grade mechanical stability, the system operates smoothly with minimal operational vibration and exceptionally low operational noise. Featuring a free-standing design, the compact footprint eliminates the requirement for floor anchoring or permanent foundation bolting, offering flexible placement options within busy analytical laboratories. Equipped with an integrated electronic digital timer, operators can easily standardize milling duration according to material hardness, ensuring consistent grind quality and reproducible results shift after shift.
Key Features
- High-Impact Vibratory Pulverization Mechanics: Utilizes a high-torque 1.5 kW motor driving an eccentric weight assembly to generate intense high-frequency vibratory impact and friction forces between the crushing hammer, crushing ring, and bowl wall for rapid material breakdown.
- Adjustable Fine Particle Output: Capable of consistently reducing coarse raw feed down to a fine micro-powder output of 80 to 300 mesh, customizable based on material physical properties and milling duration.
- Rapid Processing Throughput: Completes sample preparation within an optimized cycle of 2 to 6 minutes, drastically shortening laboratory sample turn-around time compared to manual or conventional jaw crushing procedures.
- Versatile Grinding Bowl Metallurgy: Offers a wide selection of specialized bowl and impact media materials—including standard high-manganese steel, carbon steel, wear-resistant alloy, ultra-hard tungsten carbide, and high-purity natural agate—to prevent target element contamination and withstand extreme sample abrasive forces.
- Dust-Free Hermetic Sealed Operation: Features a tightly sealed sample chamber assembly that prevents dust escape during high-impact grinding, ensuring absolute sample containment and a clean, safe laboratory workspace.
- Integrated Electronic Digital Timer: Built-in digital control panel allows precise operational time setting tailored to sample hardness, ensuring total automation and batch-to-batch grinding repeatability.
- Low-Noise Free-Standing Architecture: Specially counterbalanced dynamic assembly ensures whisper-quiet operation and zero structural walking, allowing the machine base to sit securely on standard benchtop surfaces without bolting or floor anchor installations.
- Heavy-Duty Industrial Build Quality: Engineered with robust mechanical components designed to withstand continuous daily sample preparation schedules under harsh industrial test-lab environments.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Mining & Geological Prospecting | Grinding core samples, rock fragments, and raw mineral ores prior to assaying elemental composition. | Achieves ultrafine 80-300 mesh powders quickly for seamless XRF and ICP analytical sample digestion. |
| Metallurgical Quality Control | Pulverizing iron ore, slag, sinter, alloy additions, and furnace residues in steel and non-ferrous foundries. | Rapid 2-6 minute cycle time enables real-time process adjustments during furnace operations. |
| Coal & Power Generation | Crushing coal, coke, and fly ash samples for calorific value, moisture, ash, and volatile matter determination. | Hermetically sealed bowls prevent loss of volatile compounds and fine dust during pulverization. |
| Cement & Building Materials | Size reduction of clinker, limestone, gypsum, clay, and concrete samples for quality testing. | Wear-resistant high-manganese steel media withstand heavy abrasion without excessive tool wear. |
| Environmental & Soil Science | Homogenizing dry soil samples, sediment cores, dried sludge, and mineral dusts for heavy metal screening. | High-purity agate bowl options eliminate metallic cross-contamination during trace element detection. |
| Ceramic & Glass Technology | Milling hard raw oxides, quartz, feldspar, and refractory materials down to fine micro-powders. | Tungsten carbide grinding sets deliver maximum hardness transfer without sample degradation. |
| Chemical & Petrochemical Labs | Preparing crystalline salts, catalysts, pigments, and brittle synthetic compounds for analytical verification. | Digital timer control guarantees precise reproducibility across standardized quality assurance batches. |
Technical Specifications
| Parameter | PSB-1B | PSB-200B | PSB-300B | PSB-400B | PSB-500B | PSB-1000B |
|---|---|---|---|---|---|---|
| Feed Particle Size (mm) | ≤ 13 | ≤ 20 | ≤ 22 | ≤ 22 | ≤ 26 | ≤ 28 |
| Discharge Granularity (Mesh) | 80 - 300 (Adjustable) | 80 - 300 (Adjustable) | 80 - 300 (Adjustable) | 80 - 300 (Adjustable) | 80 - 300 (Adjustable) | 80 - 300 (Adjustable) |
| Production Capacity per Batch (g/batch) | 1 × 100 | 1 × 200 | 1 × 300 | 1 × 400 | 1 × 500 | 1 × 1000 |
| Motor Power (kW) | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Processing Time per Cycle (min) | 2 - 6 | 2 - 6 | 2 - 6 | 2 - 6 | 2 - 6 | 2 - 6 |
| Grinding Bowl Material Options | Carbon Steel, High-Manganese Steel (Standard), Wear-Resistant Alloy, Tungsten Carbide, Agate | |||||
| Timer Control | Integrated Digital Electronic Timer | |||||
| Installation Requirement | Free-Standing Base (No Floor Bolting Required) | |||||
| Noise Level & Operation | Low-Noise, Balanced Dynamic Vibration |
Why Choose This Product
- Uncompromising Pulverizing Speed: Reduces feed stock to micro-fine powders in under 6 minutes, accelerating laboratory workflows and high-throughput analytical testing.
- Tailored Material Purity: Available with five distinct grinding bowl metallurgical options—from economy manganese steel to contamination-free agate and ultra-hard tungsten carbide—matching any analytical strictness.
- Plug-and-Play Benchtop Stability: Perfectly balanced eccentric drive mechanics allow high-energy pulverization without floor anchoring or complex physical installation.
- Repeatable Operational Parameters: Precision digital timer management removes operator variability, delivering identical sample consistency across multi-shift lab environments.
- Robust Commercial Construction: Built with heavy-duty structural integrity and premium drive components to ensure low operational cost and long-term service life under heavy daily duty cycles.
To discover how this sample preparation pulverizer can streamline your laboratory analytical throughput or to request customized bowl configurations, contact our technical sales team today for a tailored quote.
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Product Datasheet
Sealed Laboratory Sample Preparation Pulverizer Vibratory Grinding Mill for Brittle Materials Assay
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