Crushing & Grinding Machine
Laboratory Conical Ball Mill Ore Fine Grinding System for Mineral Analysis
Item Number : KT-ZQM
Price varies based on specs and customizations
- Feed Particle Size
- ≤ 3 mm
- Discharge Product Size
- ≤ 0.074 mm
- Shell Rotation Speed
- 112 ± 2 r/min
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Product Overview
This laboratory conical ball mill is a specialized fine grinding system engineered for high-precision mineral analysis and sample preparation across metallurgical, geological, coal, and building material testing environments. Designed to reduce coarse mineral feeds into uniform micro-fine powders, the equipment provides essential sample pretreatment for chemical assaying, physical mineralogy, and metallurgical testing. Its optimized conical drum geometry ensures continuous media mixing and aggressive impact grinding, allowing analytical laboratories to achieve consistent output sizes down to 0.074 mm with minimal grinding time.
Built to integrate seamlessly into comprehensive ore testing workflows, this system serves as an ideal bench-scale preparation unit to support downstream laboratory instruments such as froth flotation cells, magnetic separators, and X-ray fluorescence analytical systems. By combining a compact structural design with straightforward operational controls, the equipment allows laboratory technicians to execute reliable, reproducible batch milling procedures with minimal manual intervention. The robust mechanical assembly delivers exceptional efficiency across diverse mineral compositions, ranging from soft coal and sedimentary rocks to hard metallic ores.
Engineered with an emphasis on long-term reliability and operational stability, the unit features precision-machined heavy-duty components that withstand continuous daily use in demanding research and industrial quality control environments. The balanced shell geometry and stable motor drive assembly maintain precise rotational velocity under variable material loading conditions. This continuous performance assurance guarantees reproducible size reduction kinetics, helping mining laboratories, academic institutions, and material analysis centers achieve dependable sample preparation standards for critical analytical evaluations.
Key Features
- Optimized Conical Geometry: Advanced drum taper design promotes active ball media circulating motion and optimal collision cascades, maximizing grinding efficiency and preventing localized dead zones during batch processing.
- Precision Micro-Fine Output: High-impact grinding action consistently reduces raw feed particles up to 3 mm down to an ultra-fine product size of 0.074 mm (200 mesh) or finer, satisfying rigorous analytical testing standards.
- Calibrated Multi-Diameter Media Charge: Supplied with a scientifically proportioned steel ball media distribution (25 mm, 20 mm, and 15 mm) to optimize both coarse impact breakage and fine attritional grinding within a single cycle.
- Heavy-Duty Industrial Motor Drive: Driven by an industrial-grade electric motor running at 1400 r/min, routed through a gear reduction transmission to maintain an exact shell rotation speed of 112 ± 2 r/min.
- Seamless Downstream Compatibility: Engineered to produce slurry or dry powder samples tailored specifically for laboratory froth flotation machines, sieving shakers, and analytical instrumentation.
- Compact Benchtop Footprint: Ergonomically structured frame integrates the motor drive, grinding drum, and structural support within a footprint of 915 × 530 × 1160 mm, optimizing space utilization in analytical labs.
- Durable Construction & Low Maintenance: Built with wear-resistant metallic components and sealed bearings to provide long operational life, minimal sample contamination risk, and extended service intervals.
- User-Friendly Batch Operation: Features easy-access drum sealing and rapid discharge mechanisms, simplifying raw material loading, wet/dry sample retrieval, and thorough cleaning between test batches.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Metallurgical Sample Assay | Fine pulverization of metallic ore samples (iron, copper, gold, lead-zinc) prior to chemical digestion and assaying. | Achieves uniform 0.074 mm sizing to ensure complete chemical extraction and accurate analytical assays. |
| Geological Survey & Mineralogy | Grinding exploration drill core samples and geological field specimens for mineral phase identification. | High reproducibility ensures consistent sample sizing for X-ray diffraction (XRD) and fluorescence (XRF) testing. |
| Flotation Feed Preparation | Pre-grinding raw minerals to targeted liberation sizes before laboratory froth flotation and separation studies. | Matches industrial grinding liberation curves, providing accurate pilot data for metallurgical recovery. |
| Coal & Energy Resource Analysis | Pulverizing coal, coke, and oil shale samples for proximate analysis, ash content determination, and calorific testing. | Rapid size reduction prevents moisture loss and sample degradation during sample preparation. |
| Cement & Building Materials | Grinding clinker, limestone, gypsum, and concrete raw materials for fineness and physical testing. | Uniform particle size distribution enhances consistency in setting time and compressive strength evaluation. |
| Battery & Advanced Materials Research | Fine milling of ceramic precursors, battery electrode raw materials, and synthetic oxides. | Controlled batch grinding minimizes process contamination and guarantees narrow particle size distribution. |
Technical Specifications
To accommodate varying sample throughput requirements, the KT-ZQM series is available in two structural configurations. Complete parameter specifications for the KT-ZQM series are presented below:
| Specification Parameter | KT-ZQM-150x50 | KT-ZQM-240x90 | Unit |
|---|---|---|---|
| Shell Dimensions (Diameter × Length) | Φ150 × 50 | Φ240 × 90 | mm |
| Shell Internal Volume | 1 | 1 | L |
| Ore Loading Capacity per Batch | 200 | ≤ 1000 | g |
| Maximum Feed Particle Size | ≤ 3 | ≤ 3 | mm |
| Product Discharge Particle Size | ≤ 0.074 | ≤ 0.074 | mm |
| Shell Rotation Speed | 112 ± 2 | 112 ± 2 | r/min |
| Motor Model Code | AO2-7114 | AO2-7114 | - |
| Motor Power Rating | 0.25 | 0.55 | kW |
| Motor Rotational Speed | 1400 | 1400 | r/min |
| Steel Ball Grinding Media Breakdown | |||
| - Large Ball Diameter / Weight / Quantity / Ratio | 25 mm / 1.5 kg / 23 pcs / 42% | 25 mm / 1.5 kg / 23 pcs / 42% | mm / kg / pcs / % |
| - Medium Ball Diameter / Weight / Quantity / Ratio | 20 mm / 1.2 kg / 46 pcs / 33% | 20 mm / 1.2 kg / 46 pcs / 33% | mm / kg / pcs / % |
| - Small Ball Diameter / Weight / Quantity / Ratio | 15 mm / 0.9 kg / 36 pcs / 25% | 15 mm / 0.9 kg / 36 pcs / 25% | mm / kg / pcs / % |
| - Total Media Charge Weight | 3.6 | 3.6 | kg |
| - Total Media Quantity | 105 | 105 | pcs |
| - Total Media Ratio | 100 | 100 | % |
| Overall Dimensions (L × W × H) | 915 × 530 × 1160 | 915 × 530 × 1160 | mm |
| Total Equipment Mass (Including Motor) | 110 | 170 | kg |
Why Choose This Product
- Proven Industrial Reliability: Built upon decades of metallurgical manufacturing heritage, ensuring structural integrity and consistent milling dynamics over years of continuous laboratory operation.
- Precision Media Optimization: Standardized multi-size steel ball charge distribution delivers predictable grind curves, eliminating trial-and-error media sizing during assay preparation.
- Dual-Capacity Scalability: Available in both 200 g (KT-ZQM-150x50) and 1000 g (KT-ZQM-240x90) configurations to support micro-sample analytical work as well as larger flotation feed testing.
- Integrated Workflow Compatibility: Tailored for immediate pairing with laboratory floatation cells, magnetic separation rigs, and precision analytical equipment for standardized mineral testing.
- Direct Engineering & Customization Support: Backed by comprehensive technical assistance, spare parts availability, and custom media loading configurations tailored to specialized client applications.
Contact our technical sales team today to request a formal quotation or to discuss custom sample preparation solutions for your laboratory.
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