Laboratory Pulverizer
Sealed Wet Coal Crusher and Sample Divider High Moisture Coal Sample Preparation Machine with Reciprocating Rotary Division System
Item Number: PP-SL51
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Product Overview
This advanced sealed wet coal crusher and sample divider is specifically engineered to overcome the persistent technical challenges associated with processing high-moisture, high-viscosity materials during laboratory sample preparation. Traditional size reduction equipment frequently suffers from severe material clogging, sample drying due to air exchange, and fine dust leakage when handling damp coal, sticky coke breeze, wet biomass, or mineral ores. By integrating high-efficiency wet crushing capabilities with an automated reciprocating division mechanism inside a fully sealed housing, this unit reduces bulk feed materials into homogeneous, representative test samples in a single continuous process while guaranteeing total moisture preservation and zero sample contamination.
Designed for demanding industrial laboratory environments, the system serves power generation facilities, metallurgical complexes, commercial coal inspection agencies, mining operations, geological surveys, and chemical research institutes. Whether handling raw run-of-mine coal, sticky filter cake samples, fibrous biomass feedstocks, or abrasive mineral concentrates, this equipment offers analytical laboratories an efficient, highly reliable solution for rapid sample preparation prior to total moisture determination, proximate analysis, calorific value testing, or elemental assaying.
Constructed from heavy-duty structural steel plates and featuring symmetrically designed wear-resistant rotor blades, this equipment is built for long-term continuous service under abrasive operating conditions. Integrated screen plate excitation actively prevents sticky material buildup within the grinding zone, while completely separated sampling and waste discharge chutes ensure pure sample collection. Supported by internal dust channels and comprehensive drive safety guards, the system delivers exceptional operational reliability, minimal routine maintenance, and uncompromised safety across heavy-duty testing workflows.
Key Features
- Integrated Wet Crushing and Reciprocating Division: Combines coarse wet crushing with automatic rotary-reciprocating sample division in a single closed housing, eliminating manual multi-stage sample handling and dramatically increasing laboratory sample preparation throughput.
- Zero Moisture Loss and Dust Contamination Control: Fully enclosed heavy-gauge structural body featuring built-in sealing channels and isolated sampling/waste discharge hoppers prevents vapor loss and fine dust escape, guaranteeing total moisture retention for accurate moisture analysis.
- Anti-Clogging Reciprocating Vibratory System: Incorporates screen plate excitation and a left-right reciprocating motion divider that actively disrupts material bridging, ensuring smooth material throughput without chamber blockage even when processing wet, high-moisture, or sticky coal samples.
- Symmetrical Heavy-Duty Rotor Blade Engineering: Symmetrically designed rotor blades featuring specialized wear-resistant alloy surface treatment maximize impact efficiency and deliver exceptional resistance against severe abrasive wear under mineral loads.
- Adjustable Discharge Particle Size via Interchangeable Screens: Easily replaceable bottom screen plates allow lab technicians to rapidly adjust output particle sizes (<13 mm or <6 mm) to meet precise international laboratory standards and testing protocols.
- Flexible Multi-Stage Sample Division Ratio: Equipped with an adjustable mechanical division assembly offering wide division ratio settings from 1/2 down to 1/32, providing flexible sample collection volume based on analytical requirements.
- Heavy-Duty Welded Structural Steel Chamber: Robust crushing chamber fabricated from thick welded steel plates withstands intense mechanical shock, severe vibration, and continuous material processing without structural distortion.
- Comprehensive Drive Safety Guarding: All rotating pulleys, belts, motors, and transmission components are fully enclosed in protective safety housings in full compliance with modern industrial safety standards.
- Ergonomic Cleaning and Convenient Maintenance: Engineered with wide-access opening covers and smooth internal chamber walls, allowing operators to quickly inspect, clean, and exchange screen plates between sample batches to eliminate cross-contamination.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Thermal Power Coal Inspection | Continuous preparation of wet run-of-mine fuel coal and stockpile samples prior to moisture, volatile matter, and calorific value testing. | Preserves original sample moisture integrity without preliminary drying steps, ensuring precise coal quality verification and fuel billing accuracy. |
| Metallurgical Coke & Ore Processing | Size reduction and representative division of moist coke breeze, iron ore fines, and sticky flux materials in steel production labs. | Hardened alloy rotor blades handle tough, highly abrasive metallurgical feeds without premature wear or blade deformation. |
| Coal Mining & Washery Quality Control | High-volume preparation of washed wet coal, raw mined coal, and sludge filter cakes directly in mine site laboratories. | Active screen excitation and reciprocating movement prevent wet, fine particles from sticking and clogging discharge chutes. |
| Biomass Energy & Feedstock Testing | Processing high-moisture fibrous organic materials, including agricultural straw, wood pellets, and biomass energy feedstocks. | High-torque symmetrical rotor design efficiently cuts and shatters tough fibrous material structures without material buildup. |
| Geological & Mineral Exploration | Processing wet drill core samples, damp mineral granules, and soil matrices for geochemical assaying and mineralogical analysis. | Multi-stage division ratio control provides exact, representative sub-samples for downstream laboratory instrumentation. |
| Commercial Inspection & Testing | Third-party commercial sample preparation for bulk coal cargo inspections and international trade compliance verification. | Standardized sealed sample reduction ensures strict adherence to ISO, ASTM, and national coal testing methodologies. |
Technical Specifications
| Technical Parameter | Model Variant: PP-SL51-300x200 | Model Variant: PP-SL51-400x260 | Model Variant: PP-SL51-400x600 |
|---|---|---|---|
| Base Equipment Model | PP-SL51 | PP-SL51 | PP-SL51 |
| Maximum Feed Particle Size (mm) | < 70 | < 100 | < 100 |
| Discharge Particle Size (mm) | < 13 / < 6 (Adjustable) | < 13 / < 6 (Adjustable) | < 13 / < 6 (Adjustable) |
| Sample Division Ratio Range | 1/2 to 1/32 (Adjustable) | 1/2 to 1/32 (Adjustable) | 1/2 to 1/32 (Adjustable) |
| Production Capacity (kg/h) | 600 – 1000 | 1000 – 1800 | 3000 – 9000 |
| Main Crushing Motor Power (kW) | 3.0 | 3.0 | 7.5 |
| Divider Auxiliary Power (kW) | 0.4 | 0.4 | Integrated System Drive |
| Operating Power Supply | 380 V / 50 Hz | 380 V / 50 Hz | 380 V / 50 Hz |
| Overall Equipment Dimensions (mm) | 950 × 750 × 1150 | 1200 × 800 × 1150 | 1580 × 1080 × 1550 |
| Total Weight (kg) | 220 | 280 | 620 |
| Crushing Chamber Construction | Welded Heavy Structural Steel | Welded Heavy Structural Steel | Welded Heavy Structural Steel |
| Rotor Blade Material | Symmetrical Wear-Resistant Alloy | Symmetrical Wear-Resistant Alloy | Symmetrical Wear-Resistant Alloy |
| Anti-Clogging Mechanism | Screen Excitation + Reciprocating Motion | Screen Excitation + Reciprocating Motion | Screen Excitation + Reciprocating Motion |
| Discharge Ports | Dual Independent (Sample / Waste) | Dual Independent (Sample / Waste) | Dual Independent (Sample / Waste) |
Why Choose This Product
- Uncompromising Moisture Retention: Specifically engineered enclosed sealing architecture prevents moisture evaporation, ensuring true representative sample preparation for critical total moisture assays.
- Patented Non-Clogging Technology: Dual anti-clogging system combining screen plate excitation and reciprocating divider motion eliminates downtime caused by sticky, damp material accumulation.
- Industrial Wear Resistance: Hard-faced alloy rotor blades and thick structural steel chamber walls deliver extended operational lifespan under continuous mineral abrasion.
- Flexible Operational Adjustability: Quick-interchangeable sieve screens and continuous division ratio adjustments empower facilities to meet diverse testing standards across multiple feed types.
- Turnkey Safety and Quality: Fully compliant with rigorous industrial safety protocols, featuring complete drive component shielding and dust containment channels for clean lab environments.
Contact our application engineering team today to request detailed pricing, order customized equipment configurations, or arrange material sample testing for your laboratory.
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