Coal Quality Analyzers
Coal Abrasion Index Tester Coal Abrasiveness Determination Apparatus
Item Number : KR-TE30
Price varies based on specs and customizations
- Spindle Speed
- 1450 ± 30 r/min
- Working Revolutions
- 12000 ± 20 r
- Blade Dimensions
- 38 × 38 × 11 mm
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Product Overview
This coal abrasiveness index tester provides standardized, highly repeatable quantification of the abrasive wear behavior of solid fuels. Engineered in accordance with standard GB/T 15458 test methodologies, the instrument assesses how lignite, bituminous coal, and anthracite erode metallic grinding components during size reduction. By establishing empirical Abrasion Index (AI) values, the system enables coal processing facilities, power utilities, and metallurgical plants to reliably anticipate equipment wear, prevent unscheduled maintenance, and optimize downstream pulverization efficiency.
Designed for rigorous industrial duty, the testing unit accommodates demanding quality control workflows across commercial analytical laboratories, mining facilities, thermal power plants, and combustion research institutions. Determining coal abrasiveness is crucial for evaluating feedstocks, configuring wear-resistant alloy linings in pulverizers, and mitigating the abrasive destruction of grinding rolls, bowl rings, and conveying pipelines. The machine applies precisely calibrated kinetic forces to representative fuel samples against standardized metallic test blades, providing direct insight into mechanical wear mechanics.
Constructed with an emphasis on mechanical rigidity, vibration damping, and dynamic drive stability, the testing apparatus guarantees operational consistency across extended analytical cycles. Every structural assembly—from the precision-machined testing shaft to the dynamic motor transmission—is optimized to withstand abrasive dust ingress and continuous mechanical loading. This robust engineering delivers dependable data integrity, allowing plant engineers and analytical chemists to make confident procurement, blending, and maintenance decisions under demanding operational constraints.
Detail & Parts
Key Features
- Standardized Test Compliance: Built in strict adherence to GB/T 15458 methods for determining coal abrasiveness, guaranteeing fully compliant data correlation and verifiable testing standards.
- High-Torque Industrial Drive: Features an integrated 2.2 kW three-phase motor engineered to deliver uncompromising rotational torque and stable power delivery under dense coal slurry or dry grain friction.
- Precision Spindle Dynamics: Operates at a calibrated spindle rotational velocity of 1450 ± 30 r/min, ensuring stable shear rates and kinetic interaction between abrasive coal particulates and metallic surfaces.
- Automated Revolution Monitoring: Employs a dedicated mechanical-electronic cycle counter configured for exact termination at 12,000 ± 20 revolutions, preventing sample over-grinding and operator-induced test drift.
- Standardized Precision Blades: Compatible with precision-milled metallic test blades measuring 38 mm × 38 mm × 11 mm, ensuring standardized surface contact geometry and repeatable mass loss quantification.
- Heavy-Duty Vibration Damping: Constructed with a rigid structural chassis and balanced rotating assemblies that minimize harmonic resonance, structural deflection, and mechanical noise during operation.
- Abrasive Dust Ingress Protection: Fitted with specialized industrial labyrinth seals and dynamic shaft protection barriers that prevent abrasive particulate infiltration into precision bearings and drivetrain components.
- Streamlined Cleaning and Sample Recovery: Designed with an accessible test chamber architecture that accelerates quick-release blade changeover, rapid particulate evacuation, and thorough chamber cleaning between consecutive batches.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Thermal Power Generation | Evaluating the abrasive severity of thermal coal blends on boiler pulverizers, roller mills, and exhauster fans. | Minimizes boiler auxiliary outages, predicts mill life, and lowers lifecycle replacement costs for grinding elements. |
| Coal Mining & Preparation | Classifying mined seams (lignite, bituminous, anthracite) according to empirical abrasion index ratings during reserve characterization. | Facilitates commercial coal grading, validates contract wear penalties, and guides coal blending optimization. |
| Boiler & Pulverizer Engineering | Benchmarking wear-resistant metallurgy, high-chromium alloy steels, and composite weld overlays against standard abrasive feeds. | Accelerates alloy selection and structural design validation for heavy industrial pulverizing machinery. |
| Metallurgy & Coking Plants | Determining abrasiveness of metallurgical coking blends before high-speed pneumatic injection and crushing phases. | Prevents premature erosion of pneumatic conveying pipelines, distributor valves, and blast furnace injection lances. |
| Third-Party Testing Laboratories | Performing certified analytical testing and commercial verification of solid mineral fuels according to national standards. | Delivers audit-ready, repeatable, and legally defensible abrasion index certificates for commercial transactions. |
| Combustion & Mineral Research | Investigating relationships between mineral matter distribution (quartz, pyrite, siderite) and micro-scale metallic abrasion. | Supports academic and industrial research into fuel tribology, comminution energy, and mineral hardness kinetics. |
Technical Specifications
| Specification Parameter | KR-TE30 Operational Specification |
|---|---|
| Model Identifier | KR-TE30 |
| Standard Compliance | GB/T 15458-2006 (Determination of Abrasiveness Index of Coal) |
| Applicable Sample Types | Lignite, Bituminous Coal, Anthracite |
| Test Blade Dimensions | 38 mm × 38 mm × 11 mm |
| Main Spindle Speed | 1450 ± 30 r/min |
| Automated Working Cycle | 12000 ± 20 revolutions |
| Drive Motor Power | 2.2 kW |
| Operating Electrical Supply | 3-Phase, 380 V, 50 Hz |
| Spindle Drive Transmission | Heavy-duty direct coupled / industrial dynamic belt assembly |
| Revolution Control System | High-precision digital cycle counter with automatic shutoff |
| Chamber Access | Quick-access top-loading mechanical enclosure |
Why Choose This Product
- Precision Mechanical Integrity: Every structural shaft, bearing housing, and alignment collar is precision-machined to exacting tolerances, eliminating runout and safeguarding test consistency over thousands of operational cycles.
- Built for Abrasive Environments: Constructed with industrial-grade materials, durable protective coatings, and sealed mechanical assemblies that endure the aggressive airborne particulates typical of coal preparation laboratories.
- Strict Standard Alignment: Eliminates compliance ambiguity by aligning spindle velocities, blade geometry, and cycle counts precisely with standardized GB/T coal testing protocols for universal data credibility.
- Low Maintenance Architecture: Direct mechanical accessibility, straightforward blade mounting, and long-life industrial bearings reduce planned routine maintenance to minimal time intervals.
- Dedicated Engineering Support: Backed by comprehensive technical assistance, installation guidance, standardized replacement wear blades, and technical consultations for demanding solid fuel characterization workflows.
Contact our technical sales team today to request a quotation or explore custom laboratory solutions engineered for your solid fuel testing requirements.
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