Sand & Bead Mills
Vertical Bead Mill Lab Ultra Fine Wet Stirred Grinding Machine Glove Box Powder Disperser
Item Number: PP-SBM14
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Product Overview
This high-efficiency vertical bead mill is engineered specifically for advanced material research requiring ultra-fine wet grinding and sub-micron particle dispersion. Designed with an ultra-compact footprint, this equipment seamlessly operates inside standard laboratory glove boxes, facilitating the safe processing of air-sensitive or reactive chemical compounds under inert gas atmospheres. By adopting a direct top-loading, pump-free agitation design, the mill bypasses traditional slurry delivery pumps and complex dynamic seals, eliminating common operational failures such as pipe clogging, seal erosion, and fluid leakage.
Primary applications span cutting-edge sectors including solid-state battery material synthesis, technical ceramics, electronic pastes, pharmaceutical formulation, and specialized nano-powder preparation. In secondary or finish-grinding stages, the high-speed rotating shaft delivers exceptional energy density into the grinding chamber. This generates intensive shear and friction forces, refining coarse raw materials down to narrow particle size distributions with significantly enhanced specific surface area in brief operational cycles.
Built for demanding R&D environments, the unit prioritizes material purity and process repeatability. High-purity zirconia ceramic is utilized for both the inner chamber lining and the rotating agitator, preventing metallic contamination during high-energy collision processes. Accompanied by a high-capacity, microcomputer-controlled recirculating water chiller, this system maintains absolute thermal stability even during continuous high-speed operation.
Key Features
- Pump-Free Seal-Less Architecture: Eliminates liquid circulation pumps and mechanical seals by utilizing direct manual loading and slurry separation, preventing seal failure, liquid leakage, and feed pipe blockages.
- Ultra-Fine Media Capability: Engineered to run grinding media as small as 0.03 mm in diameter, enabling efficient particle size reduction into the sub-micron and nanometer scale.
- High-Turbulence 3-Bump Agitation Disc: Features three peripheral convex lobes along the outer edge of the grinding disc that generate intense turbulent fluid dynamics inside the chamber, maximizing bead-to-particle collisions.
- High-Purity Zirconia Grinding Zone: The internal chamber liner and agitating rotor are manufactured from pure zirconia ceramic, providing extreme wear resistance and guaranteeing zero metallic contamination in sensitive samples.
- Ultra-High Speed Motor Drive: Direct-drive brushless system reaches rotational speeds up to 30,000 RPM, delivering intense specific power density into the 0.78 L chamber for rapid particle refinement.
- Glovebox-Compatible Compact Footprint: Engineered with optimized external dimensions and minimal weight to easily pass through standard glovebox transfer airlocks and operate within confined laboratory spaces.
- Independent Bead Separation Unit: Equipped with a dedicated screen filter unit that allows effortless, rapid separation of processed liquid slurry from micro-bead media upon batch completion.
- Integrated 1.5kW High-Precision Chiller: Standard outfit includes a dedicated 0.5HP low-noise water chiller with microcomputer temperature control and eco-friendly R410A refrigerant, keeping slurry temperatures strictly within target limits.
- Corrosion-Resistant Chemical Seals: Built with high-grade acid- and alkali-resistant fluoropolymer static seals, ensuring complete chemical compatibility with aggressive organic solvents and corrosive liquid media.
Applications
| Application | Description | Key Benefit | | --- | --- | --- | | | Battery Cathode & Anode Preparation | Fine wet grinding of lithium battery precursor materials, solid electrolytes, and silicon-carbon nanocomposites. | Achieves highly uniform nanoscale dispersion without introducing metallic impurities, boosting cell energy density. | | Technical & Advanced Ceramics | Processing structural ceramics, alumina, zirconia, and silicon nitride powders prior to compaction and sintering. | Increases powder specific surface area and particle packing density for enhanced green body structural strength. | | Conductive Inks & Electronic Pastes | Dispersing conductive carbon, silver particles, and metal oxides into organic liquid solvents. | Eliminates agglomerates to ensure stable viscosity, smooth screen printing, and optimal electrical conductivity. | | Pharmaceutical Nanocrystals | Wet milling of poorly soluble active pharmaceutical ingredients (APIs) into sub-micron suspensions. | Improves API dissolution rates and bio-availability through precise, contamination-free size reduction. | | Functional Pigments & Coatings | Deagglomeration and fine grinding of organic/inorganic pigments, optical coatings, and rare earth materials. | Delivers narrow particle size distribution for superior optical clarity, color intensity, and surface finish. | | Sub-Micron Mineral Processing | Secondary wet grinding of industrial minerals like talc, kaolin, and calcium carbonate to sub-micron scales. | Delivers rapid particle refinement down to sub-2-micron ranges with a narrow particle size distribution. |
Technical Specifications
| Specification Parameter | Main Machine Unit (PP-SBM14) | Auxiliary Chiller Unit (PP-SBM14-CH) |
|---|---|---|
| Model Identifier | PP-SBM14 | PP-SBM14-CH |
| Power Supply | Single-Phase AC 220V, 50Hz | Single-Phase AC 220V, 50Hz |
| Power Consumption | ~0.75 kW | ~0.83 kW |
| Max Rotation Speed | 30,000 RPM | N/A |
| Grinding Chamber Capacity | ~0.78 L | N/A |
| Sample Batch Processing Volume | ~250 – 300 mL | N/A |
| Standard Media Capacity / Fill Ratio | 1.0 to 1.6 times sample liquid volume | N/A |
| Applicable Bead Media Specs | 0.03 – 2.0 mm (1.0 kg of 0.3–0.4 mm ZrO2 included) | N/A |
| Chamber Inner Wall Material | Pure Zirconia Ceramic | N/A |
| Agitator Rotor Material | Pure Zirconia Ceramic | N/A |
| Sample Loading Method | Top Manual Loading | N/A |
| System Seal Material | Acid and Alkali Corrosion-Resistant Polymer | N/A |
| Nominal Cooling Capacity | Required: Flow ≥1 L/min (Water Temp ≤10°C) | 1.5 kW (~0.5 HP) |
| Compressor Specs | N/A | Fully enclosed scroll compressor (~0.68 kW) |
| Temperature Control Range | N/A | 5°C to 40°C (Arbitrarily Adjustable) |
| Refrigerant Type & Charge | N/A | R410A (Eco-friendly), ~350 g fill |
| Throttling / Expansion Method | N/A | Pure copper capillary tube throttling |
| Evaporator Material & Capacity | N/A | SUS304 Stainless Steel, ~9.5 L tank |
| Pump Lift Head & Flow Rate | N/A | Lift: 10 – 20 m |
| Temperature Controller Type | N/A | Microcomputer intelligent controller with HD LCD |
| Operational Noise Level | Low Noise Drive System | ≤ 43 dB(A) |
| Safety Protections | Over-current, thermal protection | Compressor overload, overcurrent, high/low temp, water shortage, exhaust overheat |
| External Dimensions (L × W × H) | ~360 mm × 335 mm × 591 mm | ~430 mm × 360 mm × 580 mm |
| Net Equipment Weight | ~28 kg | ~35 kg |
Why Choose This Product
- Superior Energy Efficiency: High rotational velocity paired with targeted turbulent flow geometry yields substantially higher grinding energy density than planetary ball mills, dramatically shortening batch processing times.
- Extreme Sample Purity: Full ceramic wetted construction prevents trace iron contamination, making the system ideal for battery chemistry, semiconductor components, and pharmaceutical formulations.
- Engineered for Glovebox Operation: Compact structure, minimal overall weight, and pump-free loading allow seamless airlock passage and effortless operation inside sealed inert-atmosphere enclosures.
- Comprehensive Thermal Safety: Included 1.5kW low-noise cooling unit actively prevents sample thermal degradation, equipped with multi-point safety interlocks against low water flow and compressor overheating.
- Low Maintenance Reliability: By eliminating slurry feed pumps and moving dynamic liquid seals, user maintenance is drastically reduced, guaranteeing long service life and minimal downtime.
For tailored technical consultations, specialized media recommendations, or custom laboratory integration requests, please contact our engineering sales team today for a formal quote.
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