Laboratory Pulverizer
Small High-Speed Grinder for Efficient Laboratory Sample Preparation
Item Number: PP-SL23
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Product Overview
This small high-speed grinder is a robust, swing-type pulverization system designed for rapid dry material grinding in laboratory environments. At its core, a powerful 2.3 kW motor drives a precision-balanced rotor equipped with alloy steel blades, generating impact forces at 25,000 rpm to break down samples into fine powders within minutes. The enclosed grinding chamber and straightforward one-touch operation make it an indispensable tool for any lab requiring fast, consistent sample preparation.
Engineered for intermittent use, this unit excels across a multitude of industries. Pharmaceutical labs rely on it to mill herbal medicines and active ingredients, while food scientists use it to homogenize grains and spices for quality testing. Chemical researchers value its ability to process polymers and resins, and agricultural stations depend on it to pulverize soil, seeds, and fertilizers. Its adaptability to widely varying material hardness—from fibrous plant tissue to brittle minerals—stems from the high-torque motor and optimized blade geometry.
Confidence in long-term operation is built into every component. The grinding chamber is fabricated from 304 stainless steel via a single-step deep-drawing process, yielding a seamless interior that resists corrosion and simplifies cleaning. An integrated overload fuse and dust-proof/splash-proof switch protect both the equipment and the operator. With a compact footprint of 400×300×400 mm and a weight of only 12 kg, this system can be placed on any bench and relocated without effort, delivering laboratory-grade performance without vibration or excessive noise.
Key Features
- Ultra-High-Speed Grinding: Powered by a 2.3 kW motor, the rotor spins at 25,000 rpm to generate intense impact and shear forces. This ensures rapid pulverization, achieving target fineness in 1–3 minutes and minimizing thermal degradation of heat-sensitive samples.
- Seamless 304 Stainless Steel Chamber: The chamber is deep-drawn from a single sheet of food-grade 304 stainless steel, eliminating weld seams where material could trap. The smooth, crevice-free surface prevents cross-contamination and allows thorough cleaning between batches.
- Comprehensive Safety Protections: A built-in thermal overload fuse automatically cuts power if the motor overheats, while the dust-proof and splash-proof switch enables safe operation even when handling powders. The lid-locking mechanism ensures the chamber is sealed before the motor can engage.
- Adjustable Grinding Fineness: By simply varying the grinding time, operators can dial in the desired particle size from coarse 30‑mesh to ultra-fine 300‑mesh powders. This time-based control delivers repeatable results without complex settings.
- Versatile Material Processing: The alloy steel blades and high-speed impact action effectively process a broad spectrum of materials, including fibrous Chinese herbs, tough plant roots, hard mineral ores, brittle grains, and soft chemicals. No pre-crushing is needed for most samples.
- Compact and Portable Design: Measuring just 400×300×400 mm and weighing 12 kg, this grinder fits on crowded lab benches and is easily moved between workstations. Its balanced construction produces negligible vibration, so it requires no bolting or dedicated table.
- Low-Noise, Dust-Free Operation: The fully enclosed grinding chamber prevents any dust release, maintaining a clean work environment and reducing sample loss. Noise levels are significantly lower than traditional hammer mills, making it suitable for open-plan laboratories.
- Simplified Maintenance: The blade assembly and chamber can be disassembled without tools for periodic inspection and cleaning. All product-contact parts are corrosion-resistant, extending service life even with abrasive materials.
- Broad Capacity Range: With a grinding capacity of 100–1000 g, this model handles both small analytical samples and larger batch preparations. For requirements outside this range, additional models in the series can accommodate smaller or larger volumes.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Pharmaceutical R&D and QC | Milling of Chinese herbal medicines, tablets, and active pharmaceutical ingredients for dissolution testing, content uniformity, and microscopy. | Preserves sample integrity with dust-free grinding; adjustable fineness from 30–300 mesh meets pharmacopoeia specifications. |
| Food Science and Nutrition | Pulverizing grains, spices, dried fruits, and animal feed for nutritional analysis, pesticide residue testing, and sensory studies. | 304 stainless steel chamber ensures no metallic contamination; rapid processing boosts lab throughput. |
| Chemical and Material Engineering | Size reduction of polymers, resins, pigments, and chemical powders for formulation development and particle size analysis. | Short grinding cycles prevent heat buildup, preserving the original chemical properties of sensitive compounds. |
| Agricultural and Soil Laboratories | Processing soil, plant roots, seeds, fertilizers, and amendments for nutrient profiling, heavy metal detection, and texture analysis. | Alloy steel blades easily grind hard, fibrous materials; portable design supports field-sample preparation. |
| Mineral and Geology Labs | Pulverizing rocks, ores, and ceramics to fine powders for XRF, XRD, and other spectroscopic techniques. | Achieves repeatable sub-300 µm particle sizes critical for accurate elemental and mineralogical assays. |
| Cosmetics and Personal Care | Grinding of botanical extracts, pigments, and exfoliant particles for product development and quality control. | Enclosed system prevents cross-contamination between delicate cosmetic ingredients. |
| Forensic and Environmental Testing | Homogenizing soil, dry biological matter, and trace evidence for contaminant and forensic analysis. | Reliable, dust-free operation maintains chain-of-custody integrity by eliminating external contamination. |
| Academic and Multidisciplinary Research | General-purpose sample preparation across biology, chemistry, materials science, and archaeology. | Intuitive one-touch operation and low noise accommodate shared lab spaces and teaching environments. |
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Small High-Speed Grinder |
| Model | PP-SL23 |
| Power | 2.3 kW |
| Voltage | 220 V |
| Grinding Capacity | 100–1000 g |
| Grinding Fineness | 30–300 mesh |
| Rotational Speed | 25,000 r/min |
| Grinding Chamber Diameter | 220 mm |
| Chamber Manufacturing Process | One-piece deep drawing |
| Chamber Volume | 2.5 L |
| Chamber Material | 304 stainless steel |
| Blade Material | Alloy steel |
| Switch | Dust-proof and splash-proof |
| Body Structure | Swing-type |
| Weight | 12 kg |
| Dimensions (L×W×H) | 400×300×400 mm |
Why Choose This Product
- Proven Durability and Premium Materials: The grinding chamber is crafted from 304 stainless steel through a one‑piece deep-drawing process, eliminating weld seams that could fail under stress or harbor contaminants. The alloy steel blades retain their sharpness even after hundreds of grinding cycles, delivering consistent performance year after year. This rugged construction translates to minimal downtime and lower total cost of ownership.
- Precision Engineering for Reproducible Results: The high‑torque motor and dynamically balanced rotor ensure uniform dispersion of impact forces, producing sharp particle size distributions essential for quality control and research. Unlike pulverizers that generate excessive heat, this system’s short, high‑speed bursts give full control over final particle size without altering sample chemistry.
- Uncompromised Operator Safety: A fully enclosed grinding chamber, thermal overload protection, and a sealed switch design provide a robust safety net. The chamber lid cannot be opened while the rotor is spinning, and the fuse instantly disconnects power during electrical faults, making it one of the safest choices for academic and industrial labs.
- Compact, Quiet, and Always Ready: With its small footprint and plug‑and‑play operation, this grinder integrates seamlessly into any laboratory layout. It runs remarkably quietly, so it can be used in open workspaces without disturbing colleagues. Because it requires no bolting or special installation, it can be moved between rooms or into mobile labs with ease.
- Customizable Solutions and Expert Support: As part of a complete range of sample preparation equipment, we offer grinders with different capacities and configurations to match your unique workflow. Our application specialists are available to help you select the optimal model or design a bespoke solution. Contact us today to request a quote and discover how this high‑speed grinder can streamline your laboratory operations.
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