Sand & Bead Mills
Nano Scale Grinding Mill High Efficiency Laboratory Bead Mill Powder Processing System
Item Number: PP-SBM16
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Product Overview
This high-efficiency nano-scale grinding mill is an advanced wet-milling solution engineered specifically for high-throughput sub-micron and nanometer material particle size reduction. Designed to deliver exceptional economic efficiency and process repeatability, the equipment features a proprietary turbine-structured pin grinding assembly that transmits intense kinetic energy into the grinding chamber. By combining high-shear fluid dynamics with intense inter-bead micro-impacts, this unit breaks down hard, agglomerated materials to target nano-scale dimensions far more efficiently than traditional ball mills or conventional low-energy wet grinders.
Tailored for demanding material science research and small-scale industrial production, the system excels across a broad spectrum of advanced technical fields. It is widely utilized in the processing of lithium-ion battery electrode slurries, advanced engineering ceramics, functional electronic materials, conductive carbon suspensions, and high-performance optical coatings. The unit's flexible batch capabilities accommodate slurry volumes ranging from 0.85 liters up to 10 liters, making it an ideal choice for standardizing pilot-scale formulations and conducting high-precision laboratory experiments.
Built for long-term operational stability under rigorous processing conditions, the mill incorporates ultra-hard ceramic wear components and comprehensive real-time safety monitoring. High-purity silicon carbide inner chamber walls and zirconia dispersing pins prevent metallic contamination, ensuring pristine chemical purity for sensitive samples. Integrated multi-point protection sensors continuously track internal chamber pressure, mechanical seal integrity, coolant circulation, and process temperature—automatically halting operation during abnormal events to protect both the equipment and valuable product formulations.
Key Features
- Proprietary Turbine Pin Grinding Architecture: Features a custom-engineered turbine peg dispersion assembly that optimizes liquid dynamics within the grinding zone, generating extremely high shear rates and collision frequency for rapid nano-particle size reduction.
- Contamination-Free Silicon Carbide Chamber: Built with a dense, highly wear-resistant silicon carbide inner cylinder lining that eliminates metal ion leaching while providing exceptional thermal conductivity for heat dissipation during long milling runs.
- Ultra-Hard Zirconia Dispersing Pegs: Utilizes high-density zirconia ceramic pins along the central rotor shaft, providing maximum abrasion resistance against hard ceramic or abrasive slurries and preventing product discoloration.
- Imported Pneumatic Diaphragm Feeding Pump: Integrates a reliable, pressure-regulated diaphragm pump that delivers continuous, bubble-free material feed at a stable inlet pressure of 0.2 MPa for consistent residence time distribution.
- High-Surface-Area Screen Separator: Equipped with a precision-machined 0.12 mm gap mesh separator offering a large discharge surface area, preventing bead blockage while enabling rapid, continuous material throughput.
- High-Efficiency Dual Cooling System: Incorporates an optimized cooling jacket capable of handling a chilled water flow of approximately 720 L/h at 8°C, effectively managing exothermic heat generated during high-speed grinding to preserve heat-sensitive compounds.
- Automated Multi-Point Safety Interlocks: Features automated protection circuits including contact pressure sensors, coolant circulation monitoring, mechanical seal leakage protection, and over-temperature safety cutoffs for complete unattended operational safety.
- Sanitary SUS304 Stainless Steel Piping: Designed with corrosion-resistant SUS304 stainless steel fluid conduits and high-grade seals, ensuring easy cleaning, zero fluid loss, and full compatibility with solvent-based or aqueous slurry systems.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Lithium Battery Materials | Wet grinding and deagglomeration of lithium iron phosphate, silicon-carbon anodes, and solid-state electrolyte slurries. | Achieves narrow particle size distribution for optimized electrochemical performance, tap density, and ionic conductivity. |
| Advanced Engineering Ceramics | Ultrafine milling of silicon carbide, alumina, and zirconia precursor slurries prior to spray drying or pressing. | Ensures uniform green body density, reduced sintering defects, and superior structural toughness in finished components. |
| Electronic & Dielectric Powders | High-shear sub-micron processing of barium titanate and functional electronic ceramic formulations. | Delivers high purity and uniform dispersion without metallic ion contamination, maintaining strict dielectric properties. |
| Conductive Inks & Functional Carbon | Nano-dispersion of conductive carbon black, carbon nanotubes, and graphene sheets in organic or aqueous liquid media. | Prevents particle agglomeration, maximizing electrical conductivity, ink film smoothness, and dispersion stability. |
| High-End Pigment Suspensions | Dispersing organic and inorganic pigments for optical displays, specialty coatings, and inkjet formulations. | Enhances color strength, optical transparency, gloss level, and long-term suspension stability without settling. |
| Nanomedicine & Bio-Materials | Micro-milling of active pharmaceutical ingredients, carrier matrices, and biocompatible inorganic compounds. | Delivers precise micro-to-nano size reduction with tight particle control and reproducible batch-to-batch quality. |
Technical Specifications
| Specification Parameter | Technical Value / Detail |
|---|---|
| Equipment Model Identifier | PP-SBM16 |
| Electrical Power Supply | Three-phase 5-wire, 380 VAC ±10%, 50 Hz, Approx. 4 kW |
| Chamber Net Volume | 1.0 Liter |
| Processing Batch Volume | 0.85 L – 10.0 Liters |
| Discharge Separator Type | Large-surface-area mesh screen separator |
| Discharge Separator Gap | 0.12 mm |
| Cooling Water Flow Requirement | Approx. 720 L/h (requires connection to external chiller) |
| Cooling Water Port Diameter | Φ20 mm |
| Cooling Water Temperature | 8 °C |
| Material Feed Inlet Pressure | 0.2 MPa |
| Feeding System Type | Imported pneumatic diaphragm pump |
| Grinding Media Material | 95% Pure Zirconia (ZrO2) Beads |
| Minimum Applicable Bead Size | 0.2 mm |
| Recommended Media Filling Ratio | 60% – 85% |
| Standard Media Included | Toray Zirconia Beads (Φ0.3 – 0.4 mm, 3.0 kg package) |
| Main Shaft Rotational Speed | Max 2850 RPM (Recommended < 2200 RPM for continuous operation) |
| Inner Chamber Cylinder Material | Silicon Carbide (SiC) |
| Dispersing Pin / Peg Material | Zirconia Ceramic |
| Piping & Fluid Conduits Material | SUS304 Stainless Steel |
| Auxiliary Material Tank | Included (1 Unit) |
| Integrated Protection Systems | • Contact-type pressure sensing (auto shutdown on overpressure/clogging) • Mechanical seal leak protection (auto shutdown on seal coolant loss) • Circulation pressure monitoring (auto shutdown on cooling loop blockage) • Chamber temperature sensor (auto shutdown on excessive slurry heating) |
| External Dimensions (L x W x H) | Approx. 900 mm x 600 mm x 750 mm |
| Total System Net Weight | Approx. 162 kg |
Why Choose This Product
- Unmatched Kinetic Grinding Efficiency: The self-developed turbine peg architecture delivers localized micro-shear energy density unmatched by conventional planetary or standard bead mills, significantly shortening batch residence time.
- Zero Metallic Contamination: By isolating all material contact surfaces within pure silicon carbide and zirconia ceramic structures, this mill guarantees zero heavy metal ion pickup, safeguarding sensitive battery and electronic formulations.
- Industrial-Grade Safety Interlocks: Multi-layered automated protection circuits monitor feed pressure, seal coolant, loop pressure, and operating temperature in real time, preventing equipment failure and batch destruction.
- Exceptional Process Scalability: Capable of processing samples from small lab volumes (0.85 L) up to semi-industrial pilot quantities (10 L), providing a seamless pathway for formulation scaling.
- Comprehensive Thermal Control: High-flow 720 L/h cooling jackets combined with 8°C chilled liquid circulation maintain stable operating temperatures even during high-rpm continuous dispersion runs.
Contact our application engineering team today to request a comprehensive quote, discuss customized slurry test trials, or consult on complete nano-powder processing line integrations.
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