Liquid Nitrogen Cryogenic Pulverizer
500g Capacity Water Cooled Low Temperature Grinder with Variable Speed and Safety Cover
Item Number: PP-LN05
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Product Overview
This water-cooled low-temperature grinder is engineered for precise size reduction of heat-sensitive materials. By integrating a circulating water jacket around the grinding chamber, it effectively dissipates frictional heat that would otherwise degrade sample integrity. The result is consistent grinding without thermal damage, making it indispensable for quality-sensitive applications.
Typical users span pharmaceutical laboratories, food processing facilities, cosmetic manufacturers, and chemical R&D centers. Any powder processing workflow where temperature control directly impacts product quality will benefit from this system's ability to maintain cool operating conditions even during extended runs.
Built with premium components and rigorous safety features, this unit delivers dependable performance shift after shift. Its robust motor, precision bearings, and sanitary stainless construction ensure long-term reliability in demanding industrial and research environments.
Key Features
- Integrated Safety Interlock: A magnetic reed switch on the grinding chamber cover immediately cuts power when the cover is opened, preventing accidental injury and ensuring compliance with lab safety protocols.
- Efficient Water Cooling: The grinding chamber is surrounded by a water jacket connected to an external pump and chiller (or chilled water supply). This continuous circulation removes heat at the source, maintaining low temperatures ideal for heat-sensitive compounds, vitamins, and volatile substances.
- Wide Variable Speed Range: The motor speed adjusts from 4,000 to 25,000 RPM via a robust controller. Lower speeds suit coarse grinding or shear-sensitive materials, while higher speeds achieve ultra-fine powders for demanding applications like XRF sample prep or pharmaceutical micronization.
- Premium Material Construction: All product-contact surfaces are SUS304 stainless steel, meeting hygienic standards. The grinding blades are forged from hardened SUS420, offering exceptional wear resistance and longevity even when processing abrasive materials.
- Motor Overload Protection: An integrated overload protector safeguards the motor windings from overheating during heavy or continuous use, extending service life and reducing maintenance costs.
- Quick-Release Tilting Base: A conveniently located tilting mechanism allows the entire unit to be angled for effortless material discharge and thorough cleaning between batches, minimizing cross-contamination risks.
- Japanese-Origin Bearings: The motor features high-precision NSK or NTN bearings, renowned for low vibration and long fatigue life, ensuring stable operation under high-speed conditions.
- Adjustable Fineness Control: Final particle size can be tailored from 20 mesh down to 200 mesh by varying grinding time and the number of passes. This flexibility accommodates everything from coarse crushing to fine pulverization without changing hardware.
- Customizable Voltage Options: While standard configuration is 110V single-phase, the unit can be built to accommodate voltages worldwide (e.g., 220V, 380V) upon request, simplifying integration into existing lab infrastructure.
- Compact Footprint: With overall dimensions of just 330 × 250 × 425 mm, this grinder fits easily on crowded lab benches or inside fume hoods, yet handles a generous 500g batch capacity.
Applications
This versatile grinder serves a broad spectrum of industries where precise, low-temperature size reduction is critical.
| Application | Description | Key Benefit |
|---|---|---|
| Pharmaceutical API Processing | Milling of heat-labile active pharmaceutical ingredients, such as antibiotics or enzymes. | Prevents potency loss and ensures dosage uniformity. |
| Nutraceutical & Health Supplement | Grinding of vitamins, probiotics, herbal extracts. | Maintains biological activity and prevents nutrient degradation. |
| Food Ingredient Milling | Pulverizing spices, coffee beans, freeze-dried fruits, and grains. | Preserves natural flavors, aromas, and volatile oils. |
| Cosmetic Pigment Production | Reducing pigment and filler particle size for foundations, eyeshadows, and creams. | Ensures smooth texture, uniform color, and stable dispersion. |
| Chemical Synthesis Labs | Grinding intermediates, catalysts, or polymers for reaction optimization. | Prevents thermal runaway and unwanted side reactions. |
| Mineral & Geological Sample Prep | Crushing ores, minerals, and ceramics for XRF, XRD, or wet chemistry analysis. | Produces homogeneous powders with controlled particle size distribution. |
| Powder Coating Manufacturing | Achieving fine, uniform powders for electrostatic coating applications. | Enhances coating quality and reduces waste from oversized particles. |
| Academic & Institutional Research | General-purpose lab grinding for materials science, biology, and engineering studies. | Versatile, safe, and reliable for diverse experimental protocols. |
Technical Specifications
The following table details the technical parameters of the PP-LN05 water-cooled low-temperature grinder.
| Specification | Details |
|---|---|
| Model | PP-LN05 |
| Product Name | 13 Liang Water-Cooled Variable Speed Grinder with Safety Cover |
| Motor Power | 1900 W |
| Voltage | 110V / Single Phase (Custom voltages available on request) |
| Speed Range | 4,000 – 25,000 RPM (Infinitely adjustable) |
| Batch Capacity | 500 g |
| Final Fineness | 20 – 200 Mesh (Material-dependent, adjustable via time/passes) |
| Cooling Method | Circulating water jacket; includes pump and two water hoses |
| Optional Chillers | Available in -35°C to 35°C or +5°C to 35°C ranges; customer-supplied water bucket with circulation pump also supported |
| Grinding Chamber Effective Capacity | 1,295 cc |
| Grinding Chamber Total Capacity | 2,590 cc |
| Safety Device | Magnetic reed switch automatically cuts power when cover is opened |
| Grinding Chamber Dimensions (H × D) | 109 × 174 mm |
| Machine Dimensions (W × D × H) | 330 × 250 × 425 mm |
| Weight | 11.8 kg |
| Construction Material | Chamber: SUS304 stainless steel; Blades: SUS420 hardened stainless |
| Motor Bearings | Japanese NSK/NTN |
| Additional Features | Overload protector, tilting base for easy cleaning |
Why Choose This Product
- Thermal Protection You Can Trust: The integrated water jacket design removes heat directly from the grinding zone, preventing sample degradation and clumping. This ensures your temperature-sensitive materials retain their original properties, even after prolonged processing.
- Engineered for Precision and Versatility: With a wide speed range and variable grinding time, you have full control over particle size from 20 to 200 mesh. Whether prototyping a new formulation or running established QC protocols, this unit adapts to your exact requirements.
- Built for Heavy-Duty Durability: From the SUS304 stainless chamber to the hardened SUS420 blades and premium NSK/NTN bearings, every component is selected for longevity. This tool is an investment that delivers consistent performance year after year.
- Safety Without Compromise: The magnetic safety switch and motor overload protection mean operators can work with confidence, knowing the system meets rigorous industrial safety standards.
- Flexible Configurations for Global Labs: Standard 110V or custom voltages, plus optional chillers and water supply setups, allow seamless integration into any facility. Our team can tailor a solution to match your existing infrastructure and cooling capacity.
Contact us today to request a quote, discuss customization options, or learn how this water-cooled low-temperature grinder can elevate your laboratory's sample preparation workflow.
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