Laboratory Pulverizer
Sealed Continuous Sample Preparation Pulverizer Automatic Laboratory Powder Grinder
Item Number: PP-SL55
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Product Overview
This continuous sample preparation system represents a major technological advancement in laboratory sample reduction equipment. Designed to replace outdated, labor-intensive single-bowl batch pulverizers, this unit enables uninterrupted material feeding, precision grinding, automated sample division, and direct containerized collection. By combining multiple processing steps into a single continuous sequence, the equipment dramatically increases laboratory sample processing speeds while eliminating manual cleaning cycles and minimizing operator workload.
Engineered specifically for high-throughput testing environments, the pulverizer excels across demanding industries including coal processing, thermal power generation, new energy material research, mining, metallurgy, and commercial quality inspection. Its fully sealed structure guarantees complete containment of dust, protecting laboratory environments and operator health while safeguarding sample integrity from external contaminants.
Built to rigorous industrial standards, this processing system delivers superior long-term mechanical reliability and consistent analytical performance under continuous multi-shift operations. High-grade stainless steel contact components, combined with variable-frequency controlled air-sweep technology, prevent material adherence, sample loss, and cross-contamination, ensuring that every batch meets strict international testing compliance standards.
Key Features
- 304 Stainless Steel Contact Surfaces: All internal components coming into direct contact with the sample material are constructed from heavy-duty 304 stainless steel, preventing iron contamination and preserving precise chemical composition for sensitive analytical testing.
- Fully Sealed Dust-Free Architecture: The completely enclosed grinding chamber and sealing mechanism prevent fine particulates from escaping into the environment, promoting operator safety and maintaining pristine laboratory air quality.
- Automated Continuous Feeding Hopper: Designed for high-efficiency continuous operation, the integrated feeding hopper allows operators to load bulk material seamlessly without stopping the mill between runs.
- High-Precision Fine Pulverization: The advanced vibratory grinding mechanism achieves uniform particle size reduction from input sizes up to 15 mm down to 80–200 mesh (≤0.2 mm), achieving an exceptional sifting pass rate of over 99.98%.
- Automatic Containerized Discharge: Milled powder is automatically collected and sealed directly into coal sample containers or laboratory bottles, eliminating manual handling, scraping, and potential human error.
- Variable-Frequency Air Sweep Cleaning: Integrated frequency-controlled draft blowers perform automated air cleaning between runs, eliminating sample residue and preventing cross-contamination between different batches.
- Seamless Production Line Integration: The unit is structurally designed to connect directly with primary jaw crushers or roll crushers, establishing an end-to-end automated system for crushing, sample preparation, division, and collection.
- Compact and Maintenance-Friendly Engineering: Featuring a high-rigidity chassis and intelligent control interface, the equipment offers smooth operation, minimal vibration, low noise levels, and easy access for routine servicing.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Coal & Power Generation Testing | Continuous fine pulverization of raw coal, coke, and combustion byproducts prior to calorific and elemental analysis. | Prevents moisture loss and dust escaping while providing high-volume throughput for daily quality control. |
| Mining & Mineral Metallurgy | Rapid size reduction of hard ore samples, mineral concentrates, and slag down to 80-200 mesh fine powders. | Contamination-free 304 stainless steel grinding path ensures iron-free assaying accuracy for high-purity ores. |
| Battery & New Energy Materials | Processing of raw materials, precursors, and chemical compounds requiring strict particle size uniformity. | Eliminates cross-contamination through automated VFD air cleaning between distinct material batches. |
| Commercial Inspection Laboratories | High-volume contract sample preparation for third-party inspection and trade commodity certification. | Multi-stage continuous automation reduces per-sample labor costs and speeds up turnaround time. |
| Cement & Building Materials | Fine grinding of clinker, limestone, gypsum, and raw meal samples for XRF and wet chemical testing. | Delivers uniform output particle distribution (99.98% pass rate) for reliable spectral instrumentation readings. |
| Environmental & Geological Assay | Grinding of geological drill cores, soil samples, and solid waste specimens for environmental tracking. | Fully enclosed design prevents environmental cross-contamination and ensures traceable, repeatable sample data. |
Technical Specifications
| Parameter | Variant PP-SL55-100A (Single Station) | Variant PP-SL55-2X100A (Dual Station) |
|---|---|---|
| Equipment Model Code | PP-SL55-100A | PP-SL55-2X100A |
| Grinding Bowl Count | 1 Station | 2 Stations |
| Material Feeding Mode | Continuous Feeding | Continuous Feeding |
| Maximum Feed Particle Size | ≤ 15 mm | ≤ 15 mm |
| Output Particle Size Range | ≤ 80 – 200 Mesh (≤ 0.2 mm) | ≤ 80 – 200 Mesh (≤ 0.2 mm) |
| Output Sieve Pass Rate | ≥ 99.98% | ≥ 99.98% |
| Motor Power Configuration | 1.5 kW + 0.75 kW | 1.5 kW + 0.55 kW |
| Pulverizing Throughput Capacity | 150 g/min | 150 × 2 g/min (300 g/min Total) |
| Receiving Bucket Capacity | 5 kg | 5 kg × 2 Units |
| Draft & Cleaning Control System | Variable Frequency Drive (VFD) Control | Variable Frequency Drive (VFD) Control |
| Power Supply Requirement | 380 V, 3-Phase, 5-Wire System | 380 V, 3-Phase, 5-Wire System |
| Total Equipment Weight | 280 kg | 390 kg |
| Overall Dimensions (W × D × H) | 860 × 820 × 900 mm | 1080 × 900 × 950 mm |
| Material Contact Construction | 304 Stainless Steel | 304 Stainless Steel |
Why Choose This Product
- Industrial Grade Reliability: Built with robust heavy-duty components and high-rigidity structural frameworks, this equipment delivers long-term durability and operational stability in demanding laboratory environments.
- Zero Cross-Contamination: Combining full 304 stainless steel material pathways with an automated VFD air-sweep cleaning routine guarantees accurate analytical results without cross-sample interference.
- Unmatched Operational Efficiency: Fully automated continuous feeding and direct bottle loading significantly reduce manual sample handling time and lower operator labor intensity.
- Superior Particle Consistency: Advanced vibratory action guarantees 99.98% pass-through rates at 80–200 mesh, delivering precise powder uniformity required for modern analytical instruments.
- Comprehensive Process Customization: Tailored options are available to connect this system directly with upstream primary crushers and downstream automated laboratory conveyances.
Contact our technical engineering team today to request a comprehensive quotation or discuss customized automated sample preparation solutions tailored to your facility's operational demands.
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