Sand & Bead Mills
Nano Scale Bead Mill Ceramic Pin Type Sand Grinder Laboratory Wet Media Milling System
Item Number: PP-SBM17
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Product Overview
This high-energy laboratory wet grinding system is specifically engineered to achieve rapid particle size reduction down to true sub-micron and nano-scale dimensions. Utilizing an advanced pin-type agitation architecture and ultrafine micro-bead media, the unit generates exceptional impact and high-intensity shear forces within a compact processing chamber. Its design enables researchers and material scientists to achieve narrow particle size distributions quickly, transforming coarse or agglomerated slurries into highly dispersed nano-suspensions with minimal residence time.
Built for demanding research institutes, university laboratories, and specialized industrial R&D facilities, this wet media mill excels across advanced ceramics, energy storage materials, electronic pastes, pigments, and fine chemicals. The completely enclosed processing loop eliminates sample evaporation, cross-contamination, and toxic vapor release, ensuring precise operational control during wet grinding procedures. It offers consistent performance across both preliminary batch evaluation and process scale-up testing.
Manufactured to the highest engineering standards, the equipment incorporates ultra-wear-resistant materials throughout its internal fluid circuit. With a silicon carbide inner grinding barrel, zirconia ceramic agitation pins, and acid- and alkali-resistant sealing components, this machine guarantees exceptional longevity and purity. Industrial-grade components ensure repeatable, reliable operations under high shear conditions, making it an indispensable instrument for material science innovation.
Key Features
- High-Intensity Ceramic Pin Agitation System: Zirconia ceramic dispersion pins transfer intense kinetic energy into the grinding beads, creating powerful shear and micro-impact zones that rapidly reduce particle sizes to the nanometer scale.
- Silicon Carbide Grinding Barrel: The inner processing chamber is lined with high-density silicon carbide, providing superior thermal conductivity, extreme wear resistance, and total prevention of metallic sample contamination.
- Dynamic-Static 360-Degree Discharge Separator: A precision-engineered 360° dynamic-static separation assembly prevents media clogging and permits the continuous, smooth discharge of milled slurry using ultra-fine beads down to 0.3 mm.
- Adjustable Separator Gap Width: The separation gap can be fine-tuned between 0.1 mm and 0.3 mm, allowing operators to optimize flow dynamics based on media size, slurry viscosity, and specific process requirements.
- Fully Sealed Processing Enclosure: The hermetically sealed grinding chamber prevents solvent evaporation, atmospheric contamination, and slurry leakage during high-speed wet milling operations.
- Corrosion-Resistant Elastomer Components: All internal seals and O-rings are crafted from high-grade materials resistant to acids, alkalis, and salts, ensuring compatibility with aggressive solvent systems.
- Jacketed Thermal Management Circuit: Features an integrated cooling jacket connected to an external circulating fluid source, maintaining process temperatures at a steady 8°C to safeguard heat-sensitive chemical and biological compounds.
- Self-Priming Slurry Feed Assembly: An integrated self-priming feeding mechanism ensures smooth, continuous material transfer into the milling zone for batch volumes ranging from 0.1 L to 1 L.
- Variable Speed Belt Drive System: Driven by a robust electric motor operating at 2800 RPM, the system utilizes a pulley drive setup that allows linear velocity adjustments tailored to sensitive formulations.
- Extended Service Life Components: Critical wear parts, including the zirconia ceramic pin matrix and the dynamic separator assembly, are rated for an average continuous operational life of 14,600 hours.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Advanced Ceramics | Grinding raw ceramic powders (alumina, zirconia, silicon nitride) down to nanometer dimensions prior to sintering. | Ensures ultra-high green body density, zero metal contamination, and superior mechanical strength in final ceramics. |
| Battery & Energy Storage | De-agglomerating and fine wet milling lithium-ion cathode and anode active materials, solid electrolytes, and conductive carbon additives. | Improves electrical conductivity, battery energy density, and charge-discharge rate performance through uniform particle sizing. |
| Electronic Pastes & Inks | Fine dispersion of conductive powders, dielectric slurries, and nano-silver pastes used in microelectronics and printed circuit manufacturing. | Yields tight particle size distribution, preventing nozzle clogging and ensuring high circuit line resolution. |
| Nano-Pigments & Coatings | High-shear milling of organic and inorganic pigments, automotive topcoats, and optical coatings. | Achieves maximum color strength, high transparency, exceptional gloss, and long-term suspension stability. |
| Pharmaceuticals & Bio-Materials | Nano-crystallization and wet dispersion of poorly soluble active pharmaceutical ingredients (APIs) and bioactive powders. | Enhances bioavailability, dissolution rates, and drug delivery efficiency through precise sub-micron size control. |
| Functional Metal Oxides | Processing rare-earth oxides, titanium dioxide, and zinc oxide for catalysts, UV absorbers, and semiconductor substrates. | Guarantees consistent catalytic activity and optical clarity through defect-free, un-contaminated nanoparticle production. |
Technical Specifications
| Parameter Category | Specification Details (PP-SBM17) |
|---|---|
| Equipment Model Identifier | PP-SBM17 |
| Power Supply Requirements | Single-Phase AC 220V, 50Hz |
| Total Electrical Power | Approx. 1.1 kW (excluding external chiller unit) |
| Grinding Barrel Net Capacity | 0.3 L |
| Processing Batch Volume Range | 0.1 L to 1.0 L |
| Discharge Separator Type | Dynamic-Static 360° Discharge Assembly |
| Usable Separator Gap Range | 0.1 mm – 0.3 mm (Adjustable) |
| Separator Service Rating | ~14,600 Hours Average Service Life |
| Minimum Grinding Media Size | 0.3 mm Pure Zirconia Beads |
| Recommended Grinding Media | 95% Pure Yttria-Stabilized Zirconia Beads |
| Recommended Media Charge Ratio | 70% – 90% Chamber Volume |
| Inner Barrel Chamber Material | High-Thermal Conductivity Silicon Carbide (SiC) |
| Dispersing Pin Rotor Material | Ultra-Wear Resistant Zirconia Ceramic (ZrO2) |
| Dispersing Pin Service Rating | ~14,600 Hours Average Service Life |
| Cooling System Configuration | External Circulating Chilled Water (Compatible with CW-5300AN Chiller) |
| Target Cooling Fluid Temperature | 8°C |
| Slurry Feed Mechanism | Integrated Self-Priming Feed Assembly |
| Feed Inlet Pressure Monitoring | Integrated Pressure Gauge (0.2 MPa Max) |
| Drive & Transmission Mechanism | Pulley & Belt Drive (Linear Speed Adjustable via Pulley Ratio) |
| Main Rotor Rotational Speed | 2800 RPM |
| Internal Shaft Sealing Type | High-Performance Precision Rotary Seal System |
| O-Ring & Gasket Compatibility | Acid, Alkali, and Salt Corrosion-Resistant Elastomers |
| Overall Dimensions (L × W × H) | Approx. 525 mm × 525 mm × 670 mm (excluding chiller unit) |
| System Net Weight | Approx. 90 kg (excluding chiller unit) |
Why Choose This Product
- Contamination-Free Wet Milling: The combination of a silicon carbide inner chamber liner and solid zirconia ceramic pins completely removes metallic contact zones, preserving the high chemical purity required for electronic, optical, and energy materials.
- Exceptional Sub-Micron Performance: Capable of utilizing micro-beads as small as 0.3 mm, the system delivers high shear density to efficiently breach particle aggregation barriers down to true nanometer scales.
- Industrial-Grade Longevity: Key functional components, including the dynamic 360-degree separator and ceramic dispersing pins, are rated for 14,600 hours of operation, minimizing system downtime and maintenance costs.
- Precision Temperature Management: The high-efficiency jacket cooling design enables tight temperature stabilization around 8°C, allowing safe, repeatable milling of heat-sensitive or highly volatile solvent suspensions.
- Versatile Chemical Compatibility: Fully resistant seal architecture handles acidic, basic, and saline organic or aqueous fluids, providing flexibility for diverse chemical formulations.
Contact our technical engineering team today to request a quote, discuss your specific slurry milling parameters, or explore customized sample processing solutions.
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