Coal & Coke Testing Equipment
Integrated Rapid Automatic Hydrogen Analyzer for Coal and Solid Fuels
Item Number : KT-TE35
Price varies based on specs and customizations
- Hydrogen Measurement Range
- 0% – 20%
- Combustion Furnace Temperature
- 850°C ± 3°C (Accuracy: ±1°C)
- Hydrogen Analysis Duration
- 10 minutes
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Product Overview
This integrated rapid automatic hydrogen analyzer is a specialized, high-precision laboratory system engineered for determining hydrogen and carbon content in solid fuels. By uniting high-temperature combustion with automated coulometric electrolysis and carbon absorption, this unit delivers exceptional analytical accuracy and swift cycle times.
Primary applications span thermal power generation, coal mining, metallurgical coke production, and petrochemical research. The equipment excels in evaluating diverse carbonaceous feedstocks, including lignite, bituminous coal, anthracite, and coal water slurry, supporting standard fuel grading and calorific value calculations.
Engineered for continuous operation in demanding industrial laboratories, the instrument conforms fully to GB/T476-2008 standards. Its sealed quartz combustion structure and responsive dual-zone heating deliver outstanding thermal stability, minimizing baseline drift and maximizing operational repeatability.
Detail & Parts
Key Features
- Precision Coulometric Hydrogen Determination: The integrated electrolytic cell utilizes an internal phosphorus pentoxide coating to convert combustion water into metaphosphoric acid, accurately calculating hydrogen mass through absolute electrical charge integration without requiring frequent baseline calibration.
- Simultaneous Integrated Carbon Absorption: Operating alongside the primary coulometric system, the built-in carbon determination module captures combustion-generated carbon dioxide via chemical absorption, enabling straightforward gravimetric carbon quantification within a unified platform.
- Dual-Zone Independent Temperature Regulation: Featuring independent micro-furnace zones for combustion at 850°C and catalytic conversion at 350°C, the equipment maintains ±1°C PID temperature accuracy to ensure complete specimen decomposition and gas conversion.
- Sealed High-Purity Quartz Combustion Core: Built with a heavy-duty 90 cm quartz combustion tube, this unit guarantees exceptional gas tightness and thermal shock resistance under sustained high-temperature thermal cycling.
- Internal Automated Sample Delivery: The mechanical sample propulsion mechanism operates entirely within the sealed furnace interior, preventing atmospheric air intrusion and protecting sensitive gas balances during continuous specimen introduction.
- High-Throughput Analytical Turnaround: Delivering complete hydrogen analysis within 10 minutes and full carbon quantification within 15 minutes, this system significantly shortens batch turnaround times compared to traditional manual tube furnace trains.
- Efficient Active Cell Cooling: Engineered with an external heat dissipation assembly, the 10 cm electrolytic cell prevents thermal buildup during high-current electrolysis, ensuring consistent end-point detection and prolonged reagent film longevity.
- Automated Data Processing and Onboard Printing: The embedded microprocessor automatically calculates final mass percentages, displays quantitative curves in real time, and outputs verified test reports through the built-in micro-printer.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Thermal Power Generation Fuel Testing | Determining precise hydrogen concentrations in pulverized coal feeds to accurately calculate net calorific value (lower heating value) and boiler combustion efficiency. | Prevents boiler heat loss miscalculations, optimizes fuel-to-air ratios, and reduces unplanned combustion anomalies in continuous power generation. |
| Commercial Coal Grading & Mining QA/QC | Performing rapid elemental hydrogen and carbon profiling on run-of-mine lignite, bituminous coal, and anthracite across processing plants and shipment hubs. | Delivers fast 10-minute turnaround per sample, facilitating rapid commercial valuation, trade contract verification, and compliance with GB/T476-2008 standards. |
| Metallurgical Coke Production | Monitoring residual volatile matter and hydrogen content in metallurgical coking blends, pitch binders, and blast furnace pulverized coal injection (PCI) fuels. | Ensures structural coke strength, minimizes blast furnace permeability issues, and maintains stringent carbon mass balances across ironmaking operations. |
| Coal Water Slurry (CWS) Formulation | Analyzing organic hydrogen fractions in homogenized coal-water suspensions and additive blends used in gasification and industrial boiler applications. | Enables precise energy content verification in slurry mixtures despite variable water content, supporting stable burner operation and flame retention. |
| Biomass & Solid Alternative Fuel Analysis | Evaluating organic elemental composition in agricultural biomass, densified wood pellets, and refuse-derived fuels (RDF) intended for co-combustion facilities. | Supplies crucial stoichiometry data for combustion air staging and carbon dioxide emission reporting without equipment modification. |
| Independent Commercial Inspection Laboratories | Running high-volume, automated carbon and hydrogen certifications for third-party inspection agencies and custody-transfer compliance auditing. | Maximizes sample throughput via simultaneous carbon absorption and integrated reporting, eliminating manual titration drift and operator-induced errors. |
Technical Specifications
| Specification Parameter | Value / Operational Characteristic (KT-TE35) | Engineering Details & Standards |
|---|---|---|
| Model Item Identifier | KT-TE35 | Unified product code for high-throughput carbon and hydrogen analysis |
| Governing Standard | GB/T476-2008 | Standard test method for determination of carbon and hydrogen in coal |
| Applicable Specimen Types | Lignite, bituminous coal, anthracite, coal water slurry, solid organics | Broad material compatibility across commercial solid fossil fuels |
| Hydrogen Measurement Principle | Combustion conversion followed by P2O5 coulometric electrolysis | Water vapor reacts to form metaphosphoric acid; quantified by Faraday charge |
| Carbon Measurement Principle | High-temperature oxidation followed by gravimetric CO2 absorption | Selective chemical absorption reagent gain determines total carbon mass |
| Hydrogen Measurement Range | 0.00% to 20.00% | High sensitivity across low-rank and enriched hydrocarbon solids |
| Carbon Measurement Range | 0.00% to 100.00% | Wide dynamic range suitable for high-purity carbon materials |
| Measurement Precision & Accuracy | Fully compliant with GB/T476-2008 tolerances | Demonstrates excellent intra-batch repeatability and inter-batch reproducibility |
| Analysis Duration (Hydrogen) | 10 minutes | Rapid cycle time optimized for high-volume quality control laboratories |
| Analysis Duration (Carbon) | 15 minutes | Efficient gravimetric measurement integrated into total testing cycle |
| Combustion Furnace Temperature | 850°C ± 3°C | Ensures complete oxidation of volatile matter and fixed carbon fractions |
| Conversion Furnace Temperature | 350°C ± 3°C | Catalytic decomposition and moisture conditioning zone |
| Temperature Control Precision | ±1°C | Microprocessor-controlled closed-loop PID regulation |
| Heating Ramp Rate | 25°C to 30°C/min | Rapid initial warm-up minimizing system pre-test downtime |
| Combustion Tube Specifications | Length: approx. 90 cm; High-purity sealed quartz | Excellent thermal shock resistance and airtight gas containment |
| Sample Delivery System | Internal motorized propulsion mechanism | Moves sample within sealed quartz tube to prevent atmospheric gas infiltration |
| Electrolytic Cell Dimensions | Length: ~10 cm; Inner Diameter: ~5 mm; Outer Diameter: ~8 mm | Precision-machined borosilicate glass with active external heat dissipation |
| Electrode Film Coating | Phosphorus pentoxide (P2O5) active reagent layer | Uniform inner wall coating for quantitative water vapor capture |
| Electrolytic Cell Cooling | Forced-convection heat dissipation assembly | Prevents thermal overload during high-current peak electrolysis periods |
| Specimen Particle Size | 80 mesh (0.2 mm) | Standard fine milling requirement for complete combustion kinetics |
| Specimen Capacity | Single sample per analytical run (1 sample/cycle) | Streamlined sequential sample workflow with dedicated carbon absorber unit |
| Film Coating Electrolysis Voltage | 10 V DC | Dedicated pre-conditioning voltage for stable reagent film preparation |
| Operational Electrolysis Voltage | 24 V DC | Standard working voltage ensuring constant electrochemical conversion |
| Maximum Electrolysis Current | ≤ 600 mA | Peak electrochemical current capacity handling high-moisture combustions |
| End-Point Electrolysis Current | ≤ 65 mA | Automatic cutoff threshold confirming complete quantitative titration |
| System Architecture & Modules | Main console, O2 purification, combustion, cell, integrator, absorber | Fully integrated modular platform eliminating external interconnect piping |
| Data Display & Reporting | Automated digital LED display and built-in micro-printer | Displays real-time operational status and prints finalized certified test logs |
Why Choose This Product
- Absolute Calibration-Free Coulometric Precision: By utilizing fundamental Faraday coulometric quantification paired with a specialized phosphorus pentoxide electrolytic cell, the system eliminates the need for frequent standard sample recalibrations, delivering stable, drift-free hydrogen measurements across demanding multi-shift laboratory operations.
- Superior Gas Tightness and Quartz Engineering: Fabricated with an extended 90 cm sealed quartz combustion assembly and an internal motorized sample delivery train, this unit eliminates atmospheric contamination and gas leakage, ensuring strict adherence to GB/T476-2008 repeatability standards.
- Integrated Dual-Element Analytical Efficiency: Combining automated electrolytic hydrogen measurement with an integrated carbon dioxide absorption apparatus, this platform enables simultaneous determination of both critical elements from a single sample combustion, dramatically reducing bench space requirements and operator labor.
- Robust Industrial Build and Active Thermal Protection: Featuring heavy-duty heating elements capable of rapid 25–30°C/min ramp rates, independent dual-zone PID temperature controllers (±1°C), and dedicated external cell heat dissipation, the equipment ensures extended component life and dependable continuous duty under high-throughput laboratory conditions.
Contact our technical sales team today to request a detailed quotation, discuss custom consumable configurations, or explore how this advanced analyzer can optimize your solid fuel testing workflow.
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