A double jaw pulverizer is a specialized laboratory or industrial device used for crushing, grinding, and pulverizing hard materials such as rocks, minerals, ores, ceramics, and other solid samples. It consists of two opposing jaws—one fixed and one movable—that apply compressive force to break down materials into smaller particles.
Key Features of a Double Jaw Pulverizer:
1. Dual Jaw Mechanism:
– One stationary jaw and one moving jaw create a crushing action.
– Adjustable gap between jaws controls particle size output.
2. High Crushing Efficiency:
– Suitable for brittle and hard materials.
– Capable of reducing samples to fine powders (often down to micrometers).
3. Applications:
– Sample preparation for XRF (X-ray fluorescence), XRD (X-ray diffraction), or chemical analysis.
– Mining and geology laboratories.
– Ceramic and metallurgical industries.
4. Materials Processed:
– Rocks, minerals, ores.
– Glass, ceramics, alloys.
– Coal, cement clinker.
5. Power Options:
– Manual (hand-operated) models available for small-scale use.
– Motor-driven versions for high-throughput labs.
6. Safety & Durability:
– Made from hardened steel or tungsten carbide jaws for wear resistance.
– Often includes safety guards to prevent accidents.
Types of Double Jaw Pulverizers:
– Laboratory Jaw Crushers – Smaller benchtop models for precise sample prep.
– Industrial Jaw Crushers – Heavy-duty machines for large-scale material reduction.
Advantages Over Other Pulverizers:
✔ Higher crushing force compared to hammer mills or disc pulverizers.
✔ More uniform particle size distribution than impact-based crushers.
✔ Minimal dust generation if equipped with proper enclosures.
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