Coal & Coke Testing Equipment
Coal Briquette Compressive Strength Tester Electronic Mechanical Crushing Strength Testing Machine
Item Number : KT-TE31
Price varies based on specs and customizations
- Maximum Test Force
- 5000 N
- Force Measurement Accuracy
- ±1%
- Displacement Speed Range
- 1 mm/min – 500 mm/min
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Product Overview
This coal briquette compressive strength tester is an advanced electronic material testing instrument engineered to evaluate the mechanical resistance, structural integrity, and crushing limits of formed briquettes, solid fuels, and agglomerated mineral pellets. Driven by an advanced stepper motor coupled with a specialized speed-reduction system and precision dual-lead screws, the equipment applies controlled axial compressive loads to specimens with minimal mechanical vibration and low operating noise. Its rigid structural frame and precise speed control ensure steady, repeatable crosshead travel, making it an essential instrument for quantitative physical characterization.
Designed primarily for university laboratories, mining and metallurgical research institutes, energy technology developers, and quality control stations within coal processing plants, the system provides reliable mechanical data under standardized testing protocols. Common evaluations include quantifying the compressive fracture load of raw green pellets, measuring the cured strength of carbon-bonded briquettes, and determining the handling resilience of industrial coke substitutes. By simulating the static and dynamic stacking stresses encountered during bulk storage and transport, the instrument helps operators optimize binder formulations and production compaction pressures.
Built to withstand demanding industrial laboratory environments, this unit integrates multi-layer electronic and mechanical safeguards to maintain long-term calibration accuracy and structural durability. The electronic measurement chain continuously captures force and displacement metrics with high fidelity, while automatic peak-retention algorithms and auto-stop mechanisms eliminate human error during rapid batch testing cycles. Its consistent measurement dynamics provide testing personnel with uncompromising confidence when establishing baseline material performance or conducting rigorous quality verification audits.
Detail & Parts
Key Features
- Precision Stepper Drive and Speed Regulation: Driven by an industrial-grade stepper motor and an integrated mechanical speed reducer, the system provides an expansive speed range of 1 to 500 mm/min with ±1% velocity accuracy, maintaining steady crosshead translation even under escalating sample resistance.
- Low-Noise Synchronous Transmission: The transmission architecture utilizes a circular-arc synchronous toothed belt paired with dual precision-ground lead screws, suppressing mechanical backlash, minimizing drivetrain friction, and ensuring ultra-quiet, vibration-free compression cycles.
- Articulated Cross-Pin Universal Joint: Specimen platens are mounted via a self-aligning cross-pin universal joint featuring integrated angular swing limitation, which prevents eccentric lateral stresses from distorting axial compression measurements on irregular briquette surfaces.
- Modern LCD Interface with Tactile Keypad: Outfitted with an industrial liquid crystal display and a resilient touch-key control panel, the unit provides crisp real-time visualization of instantaneous force, crosshead displacement, peak fracture load, and operating speed, eliminating the failure modes common to legacy digital display tubes.
- Automated Fracture Detection and Auto-Stop: Intelligent firmware continuously monitors force gradients throughout loading; upon specimen failure and catastrophic fracture, the moving crosshead immediately halts to safeguard platen surfaces and automatically preserve the true peak rupture load in memory.
- One-Touch Digital Accuracy Calibration: The onboard electronic controller features an automated calibration routine for instantaneous verification and adjustment of force measurement accuracy, maintaining laboratory-grade measurement integrity without complex external trim potentiometers.
- Dual-Stage Mechanical and Programmable Limits: Equipped with adjustable physical limit switches alongside programmable firmware travel thresholds, the system provides robust multi-tiered over-travel protection to prevent tooling collisions and protect the sensitive 5000 N load cell.
- Comprehensive Electrical and Thermal Protection: Advanced protective circuitry continuously guards against overcurrent, overvoltage, and mechanical load overload conditions, automatically tripping safe shutdown routines during utility fluctuations or improper testing parameters.
- Versatile Interchangeable Tooling Interface: In addition to standard high-hardness compression platens, the frame accommodates specialized split-tensile fixtures, flexural jigs, and customized gripping assemblies to support diverse mechanical evaluation standards.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Industrial Coal Briquette Quality Control | Crushing strength verification of raw, dried, and carbonized coal briquettes produced for industrial gasifiers and industrial boilers. | Identifies fragile batches prior to transport, preventing excessive fines generation and downstream fuel feed line clogs. |
| Metallurgical Pellet & Sinter Evaluation | Compressive mechanical resistance testing of iron ore pellets, direct-reduced iron (DRI) agglomerates, and composite blast furnace burdens. | Ensures pellets withstand immense static burden pressure inside high-temperature blast furnaces without premature degradation. |
| Biofuel & Biomass Pellet Durability | Determination of rupture limits and handling toughness for densified wood pellets, agricultural biomass briquettes, and torrefied fuels. | Verifies binder effectiveness and moisture resistance, minimizing mechanical degradation during bulk pneumatic handling and silo storage. |
| Mining & Mineral Agglomerate Research | Laboratory assessment of binder chemistry, moisture levels, and curing kinetics on the green and cured compressive strength of mineral pellets. | Accelerates the development of cost-effective, environmentally friendly binder systems through precise, repeatable mechanical testing. |
| Carbon Anode & Electrode Core Testing | Compression and shear failure evaluation of small-diameter carbon cores, graphite electrode segments, and carbonaceous block materials. | Delivers quantitative crushing data to evaluate structural homogeneity and crack resistance under heavy thermal-mechanical stress. |
| Fertilizer Granule Mechanical Characterization | Uniaxial compression testing of slow-release chemical fertilizers, urea prills, and composite agricultural pellets. | Prevents granule caking and structural breakdown during mechanical bagging, bulk transport, and commercial spreading operations. |
Technical Specifications
| Parameter Category | Specification Attribute | Value / Characteristic |
|---|---|---|
| Model Identification | Item Number | KT-TE31 |
| Load Capacity | Nominal Maximum Test Force | 5000 N (5 kN) |
| Force Measuring Range | 0 N to 5000 N | |
| Test Force Indication Accuracy | ±1% of displayed value | |
| Displacement & Stroke | Displacement Resolution | 0.01 mm |
| Displacement Measurement Accuracy | ±1% of reading | |
| Standard Compression Stroke | 800 mm (Customizable based on user requirements) | |
| Standard Tensile Stroke | 800 mm (Customizable based on user requirements) | |
| Total Usable Test Stroke | 800 mm (Customizable based on user requirements) | |
| Velocity Control | Standard Displacement Speed Range | 1 mm/min to 500 mm/min |
| Extended Mechanical Drive Range | 0.2 mm/min to 500 mm/min | |
| Speed Control Accuracy | ±1% of set speed | |
| Mechanical & Drive | Drive Motor Architecture | High-torque stepper motor with integrated reduction gearbox |
| Kinematic Transmission | High-efficiency circular-arc synchronous toothed belt with dual lead-screw assembly | |
| Alignment Fixture Mounting | Cross-pin universal joint with integrated angular swing limit mechanism | |
| User Interface & Controls | Display Screen | High-visibility industrial liquid crystal display (LCD) |
| Control Panel | Sealed tactile touch-key keypad | |
| Real-Time Displayed Metrics | Active test force, peak fracture load, displacement, crosshead speed, running status | |
| Automation Functions | Automatic calibration routine, parameter-driven auto-testing, automated fracture stop | |
| Safety & Compliance | System Safety Protection | Dual mechanical limit switches, programmable firmware limit stops, load overload trip, overcurrent and overvoltage safeguards |
| Design & Build Standard | Fully compliant with GB/T2611 General Requirements for Testing Machines | |
| Completeness of Delivery | Fully integrated unit compliant with national laboratory testing apparatus standards | |
| Electrical Specifications | Power Supply Requirements | 220 V AC ±10%, 50 Hz, Single Phase |
Note: Custom stroke configurations, extended load-cell ranges, and specialized platen geometries are available upon technical consultation to accommodate non-standard specimen dimensions and automated batch handling workflows.
Why Choose This Product
- Industrial Structural Rigidity: Built on a robust dual-column frame with balanced lead screws, this testing instrument minimizes structural deflection under maximum 5000 N loads, ensuring that measured displacement corresponds strictly to specimen deformation rather than frame flexure.
- Self-Centering Cross-Pin Articulation: The proprietary universal joint design eliminates parasitic bending moments and non-axial torque caused by surface irregularities on unpolished briquettes, delivering true perpendicular compressive force distribution across every test.
- High-Reliability Solid-State Digital Architecture: Eliminating the high maintenance and display drift inherent in vintage digital tube units, the modern LCD panel and solid-state controller provide stable calibration retention, clear multi-variable tracking, and straightforward operation for technician teams.
- Versatile Stroke and Fixture Adaptability: Offering an expansive 800 mm standard stroke alongside fully customizable tooling options, the instrument effortlessly accommodates oversized briquettes, custom tensile fixtures, or specialized environmental testing cages without costly re-engineering.
- Compliance-Driven Manufacturing: Manufactured in full accordance with GB/T2611 engineering guidelines, this system meets stringent mechanical stability, electrical safety, and metrological accuracy standards required by certified testing laboratories worldwide.
Contact our technical sales team today to request a quotation or discuss customized tooling and stroke configurations engineered for your specific coal briquette testing operations.
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