Coal & Coke Testing Equipment
Coal Abrasion Index Tester Coal Abrasiveness Index Determinator
Item Number : KT-TE44
Price varies based on specs and customizations
- Spindle Speed
- 1450 ± 30 r/min
- Working Revolutions
- 12000 ± 20 r
- Motor Power
- 2.2 kW
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Product Overview
This coal abrasion index tester is a high-precision laboratory instrument engineered to quantify the wear and erosive impact that solid fuels exert on metal grinding elements during mechanical pulverization. Built strictly in accordance with GB/T 15458 standard test methods, the system measures the specific abrasion index (AI) of lignite, bituminous coal, and anthracite. By establishing an empirical correlation between coal hardness and mechanical component loss, the instrument provides indispensable empirical data for predicting component degradation in heavy material handling systems.
Designed primarily for thermal power generation facilities, pulverized coal gasification plants, metallurgical operations, and mining quality laboratories, this system plays a pivotal role in fuel evaluation and plant design. Determining the relative abrasiveness of raw coal feeds allows operators to select suitable fuel blends, establish accurate maintenance schedules, and specify wear-resistant alloys for grinding rings, roll tires, and mill exhauster impellers. The unit ensures that fuel handling infrastructure is neither under-engineered nor prematurely damaged by unexpected fuel abrasiveness.
Constructed with an industrial-grade drive mechanism and a hermetically sealed test chamber, this testing apparatus delivers outstanding operational stability and repeatable results even under intensive testing schedules. The robust mechanical design dampens vibration during high-speed agitation, while the precision integrated counter guarantees exact cycle termination. Industrial laboratories can depend on this equipment for consistent, standard-compliant abrasiveness grading that withstands stringent regulatory and quality audits.
Key Features
- Standard-Compliant Test Geometry: Engineered strictly to the mechanical specifications of GB/T 15458, ensuring full compliance and direct data comparability across industrial coal testing laboratories.
- Industrial 2.2 kW High-Torque Motor: Driven by a heavy-duty three-phase induction motor that maintains constant rotational velocity under variable mechanical friction loads during intensive coal pulverization.
- Precision Spindle Velocity Regulation: The main shaft runs reliably at 1450 ± 30 r/min, providing the exact kinetic energy and strike frequency required for standard-governed fuel particle impingement.
- Automated Cycle Counter: Features an integrated digital revolution counter configured to stop automatically at 12000 ± 20 revolutions, eliminating human timing error and guaranteeing test consistency.
- Standardized Dimensioned Wear Blades: Houses four standardized test blades precision-machined to 38 × 38 × 11 mm, manufactured from specified structural alloys to yield repeatable mass loss measurements.
- Hermetic Dust-Tight Seal Architecture: Equipped with resilient labyrinth and elastomeric sealing around the shaft and test bowl assembly, preventing the escape of fine coal dust and protecting bearings from abrasive intrusion.
- Heavy Cast-Iron Structural Base: The rigid base frame minimizes mechanical resonance, provides exceptional vibration damping, and ensures operational stability without requiring specialized foundation anchoring.
- Quick-Access Test Chamber: Designed for rapid chamber disassembly, facilitating quick blade replacement, thorough specimen recovery, and straightforward cleanout between consecutive laboratory runs.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Thermal Power Plant Fuel Assessment | Evaluates the abrasiveness of incoming fuel stocks, including sub-bituminous coals and anthracite blends, prior to entering high-throughput bowl or ball mills. | Prevents unscheduled boiler outages and predicts the service life of pulverizer grinding elements. |
| Pulverized Coal Gasification | Determines the wear potential of dry coal feeds used in entrained-flow gasifiers and pneumatic transfer pipelines. | Informs material selection for burner nozzles, rotary valves, and pneumatic elbows subjected to high-velocity impact. |
| Grinding Component Metallurgy Selection | Assesses relative metal loss rates to benchmark candidate alloys (e.g., high-chromium white irons, Ni-Hard alloys) against standardized coal batches. | Optimizes alloy selection and heat-treatment specifications for industrial crushing and milling components. |
| Coal Exploration and Basin Characterization | Measures the abrasion index (AI) across core samples and geological coal seams during resource evaluation and mine planning. | Enables mine operators to classify deposits by milling wear characteristics and market coal with accurate technical profiles. |
| Commercial Fuel Testing Laboratories | Provides standardized abrasion index certification for commercial coal contracts, fuel import/export verification, and third-party quality audits. | Delivers indisputable, standard-compliant test certificates recognized across energy and metallurgical industries. |
| Pulverizer and Mill Engineering | Utilized by equipment OEMs to simulate pulverizer dynamics and model wear rates when designing vertical spindle mills, tube mills, and crushers. | Validates engineering calculations for wear liner thickness, rotor design, and overall mechanical safety margins. |
Technical Specifications
| Parameter | Specification Details |
|---|---|
| Product Model | KT-TE44 |
| Standard Compliance | GB/T 15458 (Method for Determination of Abrasiveness Index of Coal) |
| Target Fuel Types | Lignite (Brown Coal), Bituminous Coal, Anthracite |
| Test Parameter Output | Coal Abrasion Index (AI Value, represented in mg wear / 4 kg coal) |
| Agitator Spindle Speed | 1450 ± 30 r/min |
| Preset Revolution Limit | 12000 ± 20 revolutions |
| Wear Blade Dimensions | 38 mm × 38 mm × 11 mm (4 blades per complete set) |
| Blade Material Standard | Specially calibrated structural carbon/alloy steel per standard requirement |
| Electric Drive Motor | 2.2 kW, industrial three-phase induction motor |
| Electrical Power Supply | 380 V AC, 3-Phase, 50 Hz |
| Chamber Sealing System | Multi-stage dust-proof containment with particulate seals |
| Instrument Weight | 120 kg |
| Overall Physical Dimensions | 410 mm (W) × 400 mm (D) × 820 mm (H) |
| Operating Mode | Automated cycle execution with automatic spindle stop |
| Housing Construction | Heavy-duty structural steel with corrosion-resistant industrial finish |
Why Choose This Product
- Uncompromised Adherence to Standards: Every mechanical dimension, spindle tolerance, and test blade profile aligns precisely with national testing standards, ensuring that your abrasion index data is defensible, repeatable, and universally accepted by trading partners.
- Robust Industrial-Grade Longevity: Engineered with a substantial 120 kg steel and cast framework, this unit dampens harmonic resonance and resists the structural wear associated with abrasive, high-velocity particle testing over years of daily service.
- Exceptional Measurement Precision: High-precision speed control combined with a calibrated automatic cut-off counter ensures exact 12,000-revolution cycles, removing operator subjectivity and producing consistent empirical AI numbers.
- Superior Contamination Control: The advanced shaft and bowl sealing design eliminates fugitive dust emissions, maintaining a safe and clean laboratory environment while protecting inner drive components from premature wear.
- Comprehensive Support and Application Expertise: Backed by extensive engineering expertise in coal laboratory analysis, sample preparation systems, and material wear evaluation, providing prompt technical guidance and reliable component supply.
Contact our technical sales team today to request a formal quotation or discuss your coal testing and laboratory characterization requirements.
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