Water Cooled High Speed Grinder with Cryogenic Option for Laboratory Sample Preparation

Product Overview

This water-cooled high-speed grinder is a specialized lab instrument for rapid dry sample pulverizing under controlled low-temperature conditions. It features an integrated water cooling jacket that dissipates frictional heat, preserving the integrity of temperature-sensitive materials. The unit delivers fine, consistent particle sizes with minimal degradation.

Designed for pharmaceuticals, botanicals, minerals, food, and plastics, this equipment is ideal for labs needing reliable sample preparation. Its option to connect to a chiller or liquid nitrogen enables cryogenic grinding of tough, elastic substances.

Built with a stainless steel grinding chamber and high-speed motor with overload protection, the grinder offers safe, dust-free operation. Compact and portable, it fits easily into any lab setting for continuous daily use.

Key Features

• Integrated Water Cooling Jacket: The grinding chamber is surrounded by a sealed water jacket that enables continuous removal of heat during operation. This critical feature prevents sample heating, preserving volatile compounds and preventing moisture-induced clumping, which is essential for accurate analysis.
• Flexible Cooling Options: Beyond standard tap-water circulation, this system can connect to a laboratory chiller or an ultra-low-temperature recirculating cooler for precise temperature control. For truly cryogenic conditions, liquid nitrogen can be introduced, achieving extremely low temperatures that enable brittle fracture of tough materials like polymers and elastomers.
• High-Speed Motor and Efficient Grinding: A powerful 1300W motor drives the blades at 25,000 RPM, delivering rapid impact forces that reduce samples to fine powders within 1–3 minutes. This high spindle speed ensures narrow particle size distributions and high throughput for busy labs.
• Sealed Dust-Free Operation: The fully enclosed grinding chamber minimizes dust release, protecting operators from hazardous powders and preventing cross-contamination between samples. The 304 stainless steel construction and removable components make cleaning swift and easy.
• Safety Overload Protection: A built-in current protection device automatically cuts power if the motor draws excessive current, preventing damage from jams or overload conditions. This extends the service life of the grinder and reduces downtime from unexpected failures.
• Precision Blade Design: The blades are crafted from 2Cr13 stainless steel, a hardened material that maintains sharpness over thousands of grinding cycles. Their optimized geometry produces a combination of cutting and impact forces that ensures uniform particle reduction across various material types.
• Adjustable Fineness Control: By simply adjusting the grinding time between 1 and 3 minutes, operators can achieve the desired fineness without changing screens or other hardware. This time-based control simplifies method development and provides repeatable outcomes batch after batch.
• Compact and Portable Design: Weighing only 9.5 kg and occupying minimal bench space (300 × 260 mm footprint), this unit requires no permanent installation. It can be easily moved between labs or stored when not in use, offering maximum flexibility for shared facilities.
• Vibration-Free Operation: Despite the high spindle speed of 25,000 RPM, careful engineering of the motor and chassis eliminates vibration, allowing the grinder to operate stably on any laboratory benchtop without fastening. This ensures consistent grinding and prevents disturbing nearby sensitive instruments.
• Easy to Clean and Maintain: The grinding chamber, blades, and cover are easily removable without tools, enabling thorough cleaning between batches. The smooth 304 stainless steel surfaces resist adhesion and staining, minimizing the time required for maintenance and reducing the risk of cross-contamination.

Applications

Technical Specifications

Why Choose This Product

• Superior Temperature Control for Sensitive Materials: Unlike conventional high-speed grinders that generate excessive heat, this unit’s integrated water cooling jacket actively removes heat, making it the preferred choice for grinding volatile, heat-sensitive, or moisture-prone samples. The ability to further lower temperatures with a chiller or liquid nitrogen gives laboratories unmatched versatility in sample preparation, from routine dry grinding to advanced cryogenic processing.
• Built for Heavy-Duty Daily Usage: Every component, from the 304 stainless steel grinding chamber to the hardened 2Cr13 blades, is selected for durability and contamination resistance. The motor’s overload protection ensures that even under demanding workloads, the system remains reliable year after year, minimizing repair needs and downtime.
• Achieve Precise, Repeatable Results: With spindle speeds reaching 25,000 RPM and a simple time-based fineness adjustment, this equipment produces consistent particle sizes across batches. This repeatability is critical for laboratories that must comply with strict quality standards in industries like pharmaceuticals and food safety.
• Safe and Clean Operation: The sealed grinding cavity prevents dust escape, protecting both the operator and the laboratory environment. Smooth stainless steel surfaces and easy-to-disassemble parts allow fast cleaning, reducing the risk of cross-contamination between different materials.
• Customized Solution with Expert Support: Our team provides comprehensive guidance on selecting the optimal cooling method—whether a basic circulation pump, a recirculating chiller, or a cryogenic setup. We can also assist in matching the grinder to your specific material and throughput requirements. Contact us today to request a tailored quotation or discuss how this system can integrate into your workflow.