Coal & Coke Testing Equipment
Bituminous Coal Plastometer Plastometric Indices Determination Apparatus
Item Number : KT-TE24
Price varies based on specs and customizations
- Temperature Measurement Range
- 0°C to 999°C (±2°C accuracy)
- Heating Control Program
- 30 min to 250°C, then 3°C/min ramp
- Heating Control Power
- 4 kW × 2 (Dual Furnace)
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Product Overview
This bituminous coal plastometer is a specialized testing instrument designed to evaluate the coking properties and thermoplastic behavior of bituminous coal samples. By measuring the maximum thickness of the plastic layer (Y value), the final contraction value (X value), and plotting the characteristic volume change curve, the equipment delivers critical data required for assessing coal rank, blending formulas, and commercial coke oven performance.
Built specifically for metallurgical testing facilities, coal preparation facilities, coking plants, thermal power plants, and geological research centers, the system streamlines complex thermal analysis. Its integrated design accommodates dual-furnace or single-furnace parallel operation, enabling laboratories to increase specimen throughput while maintaining strict compliance with established thermal heating regimes and standard analytical procedures.
Manufactured with industrial-grade heating components and a precision quartz drum recording assembly, this instrument maintains stable mechanical and thermal equilibrium over extended testing cycles. The automated micro-processing control platform continuously regulates program heating rates and records dimensional changes under rigorous thermal stress, delivering repeatable, audit-ready data for quality control and research programs.
Detail & Parts
Key Features
- Dual-Furnace Automated Control Architecture: High-efficiency dual-furnace design allows operators to execute independent or synchronized coal sample heating routines up to 4 kW per station, effectively doubling sample throughput while preserving thermal isolation.
- Precision Temperature Program Execution: Advanced grade 0.5 process controllers manage the thermal ramp from ambient to 250°C in precisely 30 minutes, followed by a linear 3°C per minute heating rate with temperature deviation held strictly within ±2°C.
- Quartz Drum Recording Assembly: Equipped with an ultra-stable quartz-type recording drum operating at a regulated linear speed of 1 mm per minute, delivering documented dimensional tracking with 160 ± 2 mm mechanical travel over 160 minutes.
- Dynamic Volume and Contraction Curve Generation: Automatically tracks and renders real-time volume expansion and shrinkage curves alongside furnace temperature plots, eliminating manual tracking errors and streamlining laboratory documentation.
- Semi-Automated Plastic Layer Calculation: Intuitive operator interface accepts manual layer-probe measurement inputs and instantly plots upper and lower plastic boundaries to automatically calculate the maximum plastic layer thickness (Y value).
- High-Accuracy Thermocouple Sensing: Integrated K-type thermocouples provide responsive thermal feedback across the full 0 to 999°C range with 1°C resolution, ensuring stable temperature gradient monitoring within the coal cup.
- Automated Data Logging Engine: The integrated processing system logs furnace temperature differentials across front and rear chambers at automated 10-minute intervals, producing organized records for regulatory compliance.
- Long-Term Chronometric Stability: Internal clock precision delivers temporal drift of less than ±30 seconds over a full 24-hour cycle, preserving time-temperature correlation throughout lengthy carbonization evaluations.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Coking Coal Quality Assessment | Determination of plastic layer thickness (Y) and contraction (X) to classify coal rank and evaluate caking capacity in coking facilities. | Prevents poor coke quality and minimizes oven wall expansion damage by accurately forecasting coking pressure. |
| Metallurgical Coal Blending Optimization | Testing experimental coal blends to establish optimal proportions of prime coking coal, fat coal, lean coal, and gas coal. | Lowers raw material procurement costs while preserving optimal mechanical coke strength and reactivity index. |
| Commercial Coal Inspection and Trade | Third-party verification of plastic properties during bulk cargo receipt and coal terminal transfers under international standards. | Provides indisputable, certified analytical documentation to settle commercial transactions and grade disputes. |
| Coal Gasification and Carbon Conversion | Characterization of coal softening, swelling, and agglomeration dynamics under controlled heating rates for gasifier feedstock selection. | Prevents operational blockages and optimizes reactor flow regimes by screening unsuitable caking coals. |
| Geological Exploration and Core Analysis | Evaluating drilling core samples to map coal seam metamorphic grade, carbonization potential, and commercial value across new mining zones. | Delivers dependable geological data that accelerates mine development planning and coal reserve valuation. |
| Academic and Industrial Energy Research | Fundamental investigation of coal pyrolysis kinetics, thermomechanical softening mechanisms, and coke matrix formation. | Yields high-resolution volume displacement and temperature curve profiles for advanced kinetic modeling. |
Technical Specifications
| Specification Parameter | Technical Detail (KT-TE24) |
|---|---|
| Equipment Model Number | KT-TE24 |
| Testing Standard Compliance | GB/T 479, ISO/ASTM equivalent methods for coal plastometric index |
| Measured Parameters | Plastic layer thickness (Y), Contraction value (X), Volume curve type |
| Temperature Measurement Range | 0°C to 999°C |
| Temperature Resolution | 1°C |
| Temperature Measurement Accuracy | ±2°C |
| Sensor Configuration | High-precision K-type Thermocouples |
| Controller Accuracy Rating | Grade 0.5 |
| Standard Heating Program Stage 1 | Ambient to 250°C in 30 minutes |
| Standard Heating Program Stage 2 | 250°C to terminal temperature at constant 3°C/min |
| Operational Configuration | Single-furnace or Dual-furnace simultaneous operation |
| Operating Mode | Continuous industrial operation |
| Recording Drum System | Quartz-type continuous displacement recording assembly |
| Recording Linear Speed | 1 mm/min |
| Drum Displacement Accuracy | 160 ± 2 mm per 160 minutes |
| Chronometric Timing Accuracy | ±30 seconds per 24 hours |
| Maximum Heating Control Current | 12 A per heating circuit |
| Heating Control Power | 4 kW × 2 channels (8 kW total installed capacity) |
| Automated Logging Intervals | Front and rear furnace temperatures logged every 10 minutes |
| Power Supply Requirements | AC 220V ±5%, 50 Hz |
Why Choose This Product
- Rigorous Standard Compliance: Built strictly around the exacting criteria of national and international coal plastometric test standards, the equipment ensures that all empirical Y and X values align seamlessly with historic industrial databases and regulatory standards.
- Engineered Thermal Uniformity: Heavy-gauge heating coils and balanced refractory chambers ensure uniform vertical and radial heat flux into the coal charge, preventing uneven carbonization zones that lead to erratic plastic layer formation.
- Robust Quartz Mechanics: Incorporating a low-thermal-expansion quartz drum mechanism eliminates mechanical backlash and thermal drift, preserving micro-level accuracy over long heating runs where conventional metal mechanisms flex or distort.
- Streamlined Workflow Integration: Automated data compilation, real-time curve plotting, and intuitive thickness determination significantly lower operator burden, enabling laboratory technicians to process multi-sample queues without manual recording fatigue.
Contact our technical sales team today to request a formal quotation, discuss custom laboratory power configurations, or explore how this system can optimize your coal analysis workflow.
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