Coal & Coke Testing Equipment
Microcomputer Caking Index Tester Automatic Roga Index Determination Apparatus for Coking Coal Analysis
Item Number : KT-TE60
Price varies based on specs and customizations
- Rotational Speed
- (50 ± 0.3) r/min
- Preset Revolution Range
- 1 to 999 r
- Motor Power
- 120 W
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Product Overview
This microcomputer caking index tester is a dedicated laboratory instrument engineered to quantify the caking capacity and agglutinating properties of coking coal through automated Roga and caking index determinations. Utilizing an intelligent microprocessor integrated with Hall-effect speed sensing, the equipment delivers precise rotational velocity and real-time operational feedback. By replacing traditional mechanical relays with contactless electronic switching, this unit ensures exceptional velocity stability and repeatable test cycles essential for accurate metallurgical coal classification.
Designed for coal preparation facilities, coking plants, metallurgical steelworks, and scientific research institutes, this testing system standardizes coal cohesive strength evaluation during thermal carbonization. It provides critical empirical data to optimize coal blending ratios, verify raw material quality, and predict blast furnace coke mechanical strength. The instrument strictly conforms to industrial coal testing methodologies, giving quality assurance laboratories complete confidence in their carbonization evaluations.
Built with a maintenance-free gear reducer and a continuous-duty industrial drive motor, the system exhibits outstanding durability under demanding analytical schedules. Its rigid chassis design eliminates rotational vibration, ensuring dependable measurement repeatability across extensive testing campaigns without requiring routine mechanical maintenance or servicing.
Key Features
- Intelligent Hall-Effect Speed Detection: The unit incorporates an advanced Hall-effect digital sensing switch that continuously monitors drum angular velocity, locking rotational speed strictly at (50 ± 0.3) r/min to satisfy rigorous coal analysis protocols.
- Contactless Solid-State Control Architecture: Electronic contactless switching replaces conventional electro-mechanical contactors, entirely eliminating electrical arcing, contact oxidation, and mechanical bounce to guarantee prolonged operational life in particulate-heavy coal testing environments.
- Maintenance-Free Industrial Reduction Gearing: An enclosed, pre-lubricated high-precision gear reducer delivers smooth torque transmission without gear chatter, ensuring zero maintenance requirements and quiet, vibration-free operation across continuous laboratory schedules.
- Programmable Multi-Revolution Preset: The intelligent digital controller enables operators to preset target rotation counts anywhere within the 1 to 999 revolution range, seamlessly accommodating diverse testing standards for both standard caking index and specialized Roga index methodologies.
- Dynamic Dual LED Digital Display: High-luminance digital displays provide instantaneous readouts of drum rotational speed, cumulative revolutions, and test duration, enabling laboratory technicians to monitor test progression accurately from anywhere in the testing bay.
- Dual Cycle Initialization Modes: The control interface features both manual pushbutton reset and automatic power-on initialization reset circuitry, eliminating sample tracking errors and streamlining workflow efficiency during high-throughput testing campaigns.
- Robust 120W Induction Motor Drive: A continuous-duty 120-watt motor generates stable rotational torque to drive loaded test drums without velocity droop, ensuring consistent centrifugal sample agitation regardless of test charge density.
- Vibration-Damped Industrial Chassis: Engineered with a substantial 30 kg benchtop profile and compact 550 × 370 × 340 mm footprint, the chassis effectively isolates mechanical harmonics to preserve benchtop stability and protect sensitive internal electronics.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Metallurgical Coking Coal Evaluation | Routine laboratory testing of metallurgical coking coals to assess plastic layer development and agglutinating strength during thermal carbonization. Samples are blended with standard anthracite, carbonized, and rotated in the drum to determine the Roga index and caking index (G-value). | Provides accurate classification of coal caking properties, ensuring that only compliant coking coals are charged into industrial coke ovens to yield strong, porous metallurgical coke. |
| Blast Furnace Coke Blending Optimization | Applied in integrated steel mills and commercial coking facilities to evaluate multi-coal blend behavior. Testing identifies the optimal balance between high-caking prime coking coals and cost-effective weakly caking or non-caking additive coals. | Substantially reduces raw material procurement costs by enabling maximum substitution of cheaper coals while maintaining the required drum strength and CSR of the final coke. |
| Coal Preparation and Washing Plant QC | Monitoring cleaned coal products and flotation concentrates across coal preparation plants. Evaluates the impact of ash reduction, de-sliming, and moisture adjustments on the intrinsic agglutinating strength of clean coal outputs. | Delivers rapid, repeatable feedback on washing process efficiency, preventing off-spec shipments and validating clean coal contract specifications prior to transport. |
| Commercial Commodity Inspection and Trade | Utilized by independent inspection agencies, customs testing facilities, and import-export terminals to certify coking coal consignments against contractual caking index benchmarks. | Eliminates commercial arbitration risks by supplying unambiguous, standard-compliant test data with minimal rotational margin of error (±0.3 r/min). |
| Carbon Materials and Electrode Research | Deployed in university and industrial laboratories investigating novel coal liquefaction, carbonization kinetics, tar production, and synthetic carbon material precursors. | Supports scientific exploration of coal macromolecular structure transformations with highly repeatable mechanical agitation under strictly controlled revolutions. |
| Electrode and Synthetic Graphite Production | Evaluates coal-derived pitch, binder cokes, and carbonaceous raw materials used in the fabrication of carbon electrodes, anodes for aluminum smelting, and cathode blocks. | Ensures uniform bonding performance and thermal shock resistance in downstream baked carbon products through accurate tracking of binder coking behavior. |
Technical Specifications
| Specification Parameter | Technical Detail |
|---|---|
| Product Item Number | KT-TE60 |
| Drum Rotational Speed | (50 ± 0.3) r/min |
| Automatic Control Range | (1 ～ 999) r, arbitrarily preset |
| Display Technology | LED digital display |
| Dynamic Display Metrics | Real-time rotational speed, cumulative revolution count, elapsed time |
| Reset Mechanism | Manual pushbutton reset or power-on automatic reset |
| Speed Sensing Switch | Intelligent microprocessor Hall-effect rotational speed sensor |
| Control Switching Architecture | Solid-state contactless electronic switch |
| Transmission Reducer | Heavy-duty, sealed maintenance-free gear reducer |
| Motor Power Rating | 120 W |
| Power Supply Requirements | 220V ± 10%, 50Hz ± 1Hz |
| Overall Dimensions (L × W × H) | 550 mm × 370 mm × 340 mm |
| Total Equipment Mass | Approximately 30 kg |
| Applicable Analytical Testing | Coal Caking Index (G-value) and Roga Index (RI) determination |
| Applicable Industries | Coal mining, metallurgical processing, coking plants, scientific research |
Why Choose This Product
- Uncompromising Rotational Precision: Tight speed regulation locked strictly at (50 ± 0.3) r/min ensures total compliance with international coking test standards, eliminating measurement variance and delivering definitive coal agglutinating indices.
- Solid-State Industrial Reliability: By integrating contactless switching with a maintenance-free sealed gear reducer, the equipment avoids the common mechanical failure points of traditional testers, drastically lowering maintenance downtime and lifetime service costs.
- Optimized Testing Throughput: Flexible programmable revolution limits (1 to 999 r), dynamic dual-metric LED telemetry, and instant power-on auto-reset streamline repetitive sample runs in busy industrial quality control laboratories.
- Heavy-Duty Structural Integrity: The rigid 30 kg chassis dampens operational resonance and resists mechanical vibration, maintaining benchmark accuracy even during continuous multi-shift production testing.
- Direct Commercial and Metallurgical Value: Reliable caking index data directly prevents sub-optimal coal blending in blast furnace and coking operations, safeguarding thermal efficiency and reducing raw material procurement waste.
Contact our technical sales team today to request a quotation or discuss how this system can be integrated into your laboratory quality control infrastructure.
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