Coal & Coke Testing Equipment
Automatic Hardgrove Grindability Index Tester for Coal Grindability Analysis
Item Number : KT-TE18
Price varies based on specs and customizations
- Working Revolutions
- 60 ± 1/4 r
- Grinding Load Force
- 284 ± 2 N
- Spindle Rotational Speed
- 20 ± 1 r/min
Shipping:
Contact us to get shipping details Enjoy On-time Dispatch Guarantee.
Why Choose Us
Easy ordering process, quality products, and dedicated support for your business success.
Product Overview
This automatic Hardgrove grindability index tester is an advanced laboratory instrument engineered to quantify the relative grindability and mechanical resistance of coal, coke, and carbonaceous solid fuels. Built upon a rigid structural chassis with an upgraded electromechanical architecture, the equipment automates the standardized grinding cycle to eliminate operator-dependent variances. By delivering consistent grinding energy through calibrated load distribution and precise rotational execution, this unit provides testing facilities with highly reproducible Grindability Index (HGI) metrics indispensable for plant design and operational optimization.
Designed primarily for fuel testing laboratories across the power generation, metallurgical, chemical, and geological exploration sectors, the system plays a critical role in predicting the energy consumption and wear rates of commercial pulverizers and ball mills. Its streamlined operational interface allows technicians to initiate the entire test cycle with a single command, automating bowl positioning, vertical force application, and grinding revolution counting without requiring manual weight lifting or mechanical adjustments.
Engineered for continuous duty in demanding industrial testing environments, this instrument incorporates resilient dual-motor drives and rugged gearing to deliver smooth, vibration-damped rotation. Built-in microcomputer logic oversees cycle execution and system safety, featuring intelligent fault detection, rapid emergency stopping, and non-volatile cumulative revolution tracking upon restart. This ensures that every test run fully adheres to strict international test methodologies while protecting mechanical integrity over years of intensive laboratory utilization.
Detail & Parts
Key Features
- Intelligent One-Touch Automation: A single button press initiates the entire diagnostic protocol, driving automatic bowl alignment, motorized vertical ram positioning, and standardized top-pressure loading to drastically reduce operator fatigue and setup time.
- Automated Weight Loading System: Eliminates manual placement of heavy calibration weights through an integrated electromechanical loading mechanism, applying a consistent vertical grinding force of 284 ± 2 N to ensure uniform attrition dynamics.
- Microcomputer Revolution Control: An onboard microcontroller accurately monitors spindle rotations to achieve exactly 60 ± 1/4 revolutions at a steady 20 ± 1 r/min, immediately disengaging the drive upon cycle completion to prevent over-grinding.
- Cumulative Restart and Fault Recovery: Integrated memory architecture stores test progress in the event of an emergency interruption or power irregularity, allowing accumulated revolutions to resume seamlessly upon system restart without spoiling the prepared test sample.
- High-Precision Grinding Geometry: Featuring CNC-machined alloy steel bowls and matched grinding spheres, the unit maintains strict spatial tolerances and curvature geometry for repeatable mechanical energy transfer to the coal matrix.
- Dual-Motor Drive Architecture: Configured with a dedicated 200W primary drive motor paired with a 25W secondary actuator motor, the drive assembly delivers high starting torque, smooth speed transitions, and whisper-quiet mechanical operation.
- Enhanced Structural Rigidity: Fabricated with heavy-gauge steel casing and precision-aligned guide columns, the reinforced structure resists harmonic vibrations and structural deflection during intensive grinding cycles.
- Comprehensive Operator Safety Protections: An integrated emergency stop button, safety interlock switches, and overload protective circuits immediately halt spindle rotation upon any diagnostic anomaly, ensuring full operational compliance.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Coal-Fired Thermal Power Plants | Routine analysis of incoming raw coal and blended fuel stocks to evaluate pulverizer throughput and mill power consumption. | Optimizes burner feed consistency, prevents mill overloading, and reduces auxiliary energy consumption across generating units. |
| Metallurgical Coke and PCI Operations | Evaluation of coking coals and pulverized coal injection (PCI) grades utilized in blast furnace ironmaking processes. | Ensures optimal injection combustibility and mill wear predictability while maximizing operational safety in high-pressure pneumatic transport. |
| Cement Clinker and Lime Production | Grindability characterization of solid fuels used in rotary kiln calcination and precalciner burner firing systems. | Enhances kiln firing efficiency by matching coal fineness targets directly with mill grinding kinetics and specific power consumption. |
| Commercial Fuel Testing Laboratories | High-throughput commercial sample verification and certification according to standardized Hardgrove grindability testing protocols. | Maximizes laboratory sample throughput while eliminating operator bias through automated mechanical execution and digital revolution counts. |
| Mining and Coal Preparation Plants | Geological survey core analysis, clean coal washability testing, and beneficiation process characterization across mining sites. | Delivers reliable geomechanical baseline data for plant sizing, crushing circuit engineering, and long-term contract fuel specification compliance. |
| Chemical and Synthetic Fuel Research | Benchmarking coal feedstocks for gasification, liquefaction, and activated carbon precursor grinding trials. | Provides dependable particle degradation metrics required for fluidization modeling, gasifier feed sizing, and pneumatic conveyance planning. |
Technical Specifications
| Parameter Specification | Value / Description (Model: KT-TE18) |
|---|---|
| Model Identifier | KT-TE18 |
| Working Revolutions | 60 ± 1/4 r (60 ± 0.25 revolutions) |
| Spindle Rotational Speed | 20 ± 1 r/min |
| Grinding Load Force | 284 ± 2 N |
| Main Drive Motor Power | 200 W |
| Auxiliary Actuator Motor Power | 25 W |
| Total System Power | 225 W |
| Power Supply Compatibility | 220 V AC ± 10%, 50 Hz |
| Operational Control Mode | Microcomputer-controlled automatic cycle (one-key start) |
| Loading and Lifting Mechanism | Fully motorized automatic mortar positioning and vertical top-pressure loading |
| Count Termination | Automatic stop at target revolution count with non-volatile cumulative resumption |
| Safety and Interlock Features | Dedicated emergency stop switch, drive overload protection, fault diagnostics |
| Construction and Finish | Heavy-duty industrial structural steel housing with protective chemical-resistant coating |
Why Choose This Product
- Uncompromising Test Repeatability: Eliminating the manual discrepancies common in conventional grinding instruments, this unit uses automated force application and electronic revolution metering to ensure every run strictly adheres to standardized testing parameters.
- Robust Industrial Construction: Machined from premium-grade alloys with high-wear steel contact components, the mechanical framework withstands thousands of rigorous testing cycles without dimensional drift, shaft deflection, or structural fatigue.
- Maximized Laboratory Productivity: The intuitive one-key automation sequence frees technicians from labor-intensive manual weight loading and bowl positioning, allowing operators to focus on sample preparation and post-grinding sieve analysis.
- Intelligent Failure Prevention: Equipped with fault-detection electronics, emergency cut-offs, and restart revolution accumulation, the instrument preserves valuable sample progress during unforeseen power disturbances or procedural interruptions.
Contact our technical sales team today to request a detailed quotation, explore custom voltage configurations, or discover how our coal testing instrumentation can elevate your laboratory's analytical capabilities.
Trusted by Industry Leaders
REQUEST A QUOTE
Our professional team will reply to you within one business day. Please feel free to contact us!
Related Products
Sealed Laboratory Sample Preparation Grinding Mill Assay Specimen Pulverizer
This high performance sealed laboratory sample preparation grinding mill rapidly reduces hard brittle materials into uniform 80 to 300 mesh powders within 1 to 3 minutes. Featuring interchangeable wear resistant grinding bowls, it delivers rapid contamination free sample preparation.
Laboratory Grinding Mill Mortar Grinder for Sample Preparation
KT-MG200 mortar grinder can be used for mixing and homogenizing powder, suspension, paste and even viscous samples. It can help users realize the ideal operation of sample preparation with more regularization and higher repeatability.
Laboratory Disc Pulverizer Mill for Medium Hardness Ore Coal Sample Grinding
This high-performance laboratory disc pulverizer delivers fast fine milling of medium-hardness ores coal and geological samples down to 0.15 mm featuring a precise dual-handwheel disc gap control system heavy-duty V-belt drive and dust-tight processing chamber for demanding analytical laboratories.
Hydraulic Sample Pulverizer Grinding Machine Automatic Laboratory Sample Preparation System
This hydraulic sample pulverizer grinding system delivers ultra-fine sample preparation down to 80-300 mesh. Featuring automatic hydraulic clamping, programmable timing, and heavy-gauge construction, it ensures fast, consistent, and reliable material reduction for XRF and metallurgical quality control testing.
Sealed Laboratory Assay Sample Pulverizer High Speed Vibrating Cup Mill for Coal Ore Mineral Sample Grinding
High performance sealed laboratory sample pulverizer engineered for rapid grinding of coal coke limestone and mineral ores to fine mesh powder within two to six minutes for precise assay sample preparation in high throughput mining and industrial environments.
Filter Testing Machine FPV for Dispersion Properties of Polymers and Pigments
The filter testing machine (FPV) is suitable for testing the dispersion properties of polymers such as pigments, additives and masterbatches by extrusion and filtration.
Laboratory Disc Pulverizer Disc Mill for Fine Sample Grinding
Discover high performance laboratory disc pulverizer systems engineered for precise batch and continuous fine grinding of brittle materials, featuring dual wheel gap adjustment, durable grinding discs, and consistent particle reduction across metallurgy, mining, geology, and advanced material testing applications.
Single Layer Sealed Laboratory Rod Mill for Ore Assay Grinding and Mineral Sample Preparation
This sealed laboratory rod mill delivers precise ore grinding and automated sample homogenization for assay laboratories. Featuring advanced dust suppression, robust overcurrent protection, and multi-barrel flexibility, it ensures exceptional mineral liberation, safe operation, and consistent metallurgical testing results every batch.
Automatic Standard Sieve Shaker for Laboratory Particle Size Analysis
Streamline laboratory particle size analysis with our automatic standard sieve shaker featuring compound rotary tapping motion eight sieve capacity programmable digital controls and an integrated dust extraction port for clean repeatable separation across diverse industrial quality control applications
Environmentally Friendly Enclosed Standard Test Sieve Shaker Machine for Dust Free Laboratory Particle Size Analysis
High-performance environmentally friendly enclosed standard test sieve shaker designed for precise particle size distribution analysis. Engineered with noise-shielding technology, dual rotary-tapping motion, automatic timing control, and dust-free laboratory extraction integration for reliable analytical laboratory workflows.
Electric Sample Divider for Laboratory Coal and Granular Material Sample Preparation
Engineered for precise sample preparation, this electric sample divider delivers continuous horizontal reciprocating cutting, an adjustable division ratio, robust dust containment, and representative splitting for coal, ores, and bulk granular materials up to thirteen millimeters.
Sealed Laboratory Sample Preparation Pulverizer High Speed Vibratory Grinding Mill
Achieve rapid analytical sample preparation with this high speed sealed vibratory sample pulverizer mill. Engineered to process brittle minerals into 80 to 300 mesh fine powder within minutes with total dust containment maximum safety and zero sample cross contamination.
Horizontal Reciprocating Mechanical Sieve Shaker for Iron Ore Sinter and Pellets
Engineered for metallurgy and quality inspection, this horizontal reciprocating mechanical sieve delivers standardized dry sizing for iron ore, sinter, and pellets with stepless stroke adjustments, digital timing, and high-capacity multi-layer frames for reproducible particle analysis.
Laboratory Four Roller Multi Jar Rod Mill for Mineral Grinding and High Throughput Ore Sample Preparation
Engineered for high-throughput geochemical analysis and mineral beneficiation, this multi-roller laboratory rod mill delivers exceptional batch uniformity, low over-grinding, and flexible dry or wet grinding capacity for processing up to fifty ore samples simultaneously with maximum analytical precision.
Sealed Tapping Sieve Shaker Machine for Laboratory Particle Size Analysis
Optimize quality control with this sealed tapping sieve shaker featuring dual rotary oscillation and mechanical tapping motions, automated cycle timing, and robust dust-tight operation for precise, repeatable particle size distribution analysis of industrial powders and abrasive grains.
Sealed Sample Preparation Pulverizer Vibratory Disc Mill for Laboratory Analytical Grinding
Engineered for rapid laboratory comminution, this sealed sample preparation pulverizer processes brittle materials up to 8mm into fine 80 to 200 mesh analytical powders within minutes, ensuring zero cross-contamination, superior batch repeatability, and completely dust-free operation across demanding industrial testing environments.
Four Roll Multi Jar Batch Laboratory Rod Mill System for Mineral Ore Sample Preparation and Geological Pulverization
High throughput four roll batch laboratory rod mill system engineered for rapid dust free preparation of gold ores and geological samples with integrated mechanical dumping automated timing control micro latch jar sealing and concentrated exhaust sweeping for efficient sample pulverization.
Automatic Hydraulic Sample Grinder Vibrating Disc Mill Laboratory Pulverizer
This high-performance automatic hydraulic sample grinder delivers rapid dust-free pulverization for laboratory testing. Featuring high-frequency impact grinding, versatile bowl materials, and automatic hydraulic clamping, it ensures high-throughput, repeatable sample preparation across demanding quality control and analytical research applications.
Laboratory Disc Cup Vibratory Mill for Sample Grinding
The vibrating disc mill is suitable for non-destructive crushing and fine grinding of samples with large particle sizes, and can quickly prepare samples with analytical fineness and purity.