Crushing & Grinding Machine
Laboratory Disc Pulverizer Mill for Medium Hardness Ore Coal Sample Grinding
Item Number : PSYF
Price varies based on specs and customizations
- Discharge Particle Size
- 0.15 mm
- Maximum Throughput
- Up to 120 kg/h
- Grinding Disc Diameters
- 175 mm / 250 mm / 350 mm
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Product Overview
This high-performance laboratory disc pulverizer is engineered specifically for fast, accurate size reduction of medium-hardness solid materials. Designed to process tough geological, metallurgical, and industrial samples, the unit utilizes combined squeezing and shearing friction forces to reduce coarse feed stock into ultra-fine, uniform powders down to 0.15 mm. By delivering consistent particle size distributions without thermal degradation or sample cross-contamination, this equipment serves as a critical preliminary sample preparation tool for analytical testing procedures.
The system is widely adopted across analytical and quality assurance laboratories in metallurgy, geology, mining exploration, building materials manufacturing, environmental monitoring, and chemical engineering. Whether evaluating raw iron ore, coal quality, clinker composition, or specialized industrial minerals, the pulverizer handles a versatile spectrum of feed particle sizes ranging up to 15 mm. Its compact footprint and reliable mechanical throughput make it suitable for both small-scale research trials and routine quality control testing environments.
Built with heavy-duty cast components, a rigid structural base, and a precision-machined main shaft, this equipment offers outstanding mechanical stability under continuous operational stresses. The dynamic balancing of the internal grinding discs minimizes operational vibration, ensuring low noise levels, reduced wear on drive components, and uninterrupted daily operation. Lab technicians can rely on this pulverizer for dependable sample repeatability and minimal maintenance overhead even in severe testing conditions.
Key Features
- Dual-Disc Squeeze-Attrition Action: Combines intense compression and high-shear friction between fixed and rotating grinding plates to efficiently crush tough materials into consistent powder.
- Precision Micro-Gap Adjustment Mechanism: Features an intuitive dual-handwheel arrangement connected to a lead screw shaft, allowing operators to effortlessly advance or retreat the dynamic disc for micron-accurate output size control.
- Heavy-Duty V-Belt Drive Assembly: High-torque motor transfers energy smoothly via a reinforced V-belt and pulley system, protecting the motor against sudden impulse loads while maintaining steady rotational velocity.
- Enclosed Dust-Retaining Milling Chamber: The tightly sealed housing, comprising the main body, end cover, and top casing, retains fine dust particles during processing to maintain laboratory safety and prevent sample loss.
- Integrated High-Capacity Feed Hopper: Top-mounted feed funnel enables continuous, controlled loading of raw materials straight into the central crushing zone between the active grinding faces.
- Rugged Cast-Steel Construction: Cast machine base and structural frame absorb mechanical shock, providing long-term geometric stability and preventing operational misalignment over years of service.
- Convenient Bottom Discharge Chute: Pulverized material flows smoothly through the perimeter gap between discs directly into an under-mounted collection hopper for quick and clean sample recovery.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Metallurgical Sample Prep | Crushes raw ores, slag, and sintered minerals prior to XRF, ICP, or wet chemical assay. | Ensures homogeneous sample representation for precise elemental assaying. |
| Geological & Mining Assay | Reduces drill cores, rock specimens, and mineral samples down to sub-millimeter fractions. | Delivers fast throughput for high-volume exploration and assay laboratories. |
| Coal & Coke Quality Analysis | Pulverizes bulk coal, anthracite, and industrial coke samples for proximate/ultimate analysis. | Achieves standard-compliant particle fineness without generating excess frictional heat. |
| Building Materials QC | Fine-grinds cement clinker, limestone, gypsum, aggregate, and glass batch materials. | Provides uniform fineness necessary for accurate physical and chemical binder testing. |
| Chemical & Ceramic R&D | Processes industrial salts, ceramic oxides, raw catalysts, and synthetic compounds. | Enables precise control of particle size distributions for slurry formulation and sintering research. |
Technical Specifications
| Parameter | PSYF-175 | PSYF-250 | PSYF-350 |
|---|---|---|---|
| Grinding Disc Diameter | 175 mm | 250 mm | 350 mm |
| Maximum Feed Particle Size | ≤ 3 mm | ≤ 8 mm | ≤ 15 mm |
| Discharge Particle Size | 0.15 mm | 0.15 mm | 0.15 mm |
| Production Capacity | 25 kg/h | 80 kg/h | 120 kg/h |
| Motor Power | 1.1 kW | 3.0 kW | 4.0 kW |
| Transmission Type | V-Belt & Pulley | V-Belt & Pulley | V-Belt & Pulley |
| Gap Adjustment Method | Dual Handwheel Lead Screw | Dual Handwheel Lead Screw | Dual Handwheel Lead Screw |
| Target Material Hardness | Medium-Hard Materials | Medium-Hard Materials | Medium-Hard Materials |
| Main Shaft Support | Precision Heavy-Duty Bearings | Precision Heavy-Duty Bearings | Precision Heavy-Duty Bearings |
| Chamber Design | Fully Enclosed Top-Feed | Fully Enclosed Top-Feed | Fully Enclosed Top-Feed |
Why Choose This Product
- Superior Particle Uniformity: The precise alignment of precision-machined grinding discs ensures a strict upper limit on discharge size, guaranteeing reliable 0.15 mm powder quality for quantitative analytical workflows.
- Robust Mechanical Engineering: Constructed from heavy-grade industrial alloys and reinforced structural castings, this machine is designed to withstand severe impact stresses and high daily sample volumes.
- Tool-Free Operational Adjustments: The manual dual-handwheel screw mechanism allows operators to rapidly recalibrate grinding gaps between batches without needing specialized disassembling tools.
- Minimal Maintenance & Downtime: Standardized V-belt drive components and easily accessible grinding discs simplify routine maintenance, reducing long-term total cost of ownership.
Contact our technical sales team today to request detailed pricing, select the ideal disk size configuration for your application, or discuss customized laboratory sample preparation solutions.
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