Coal & Coke Testing Equipment
Rapid Intelligent Integrated Sulfur Analyzer
Item Number : KT-CD3
Price varies based on specs and customizations
- Measurement Range
- 0% to ~99% Total Sulfur
- Analysis Cycle Time
- 5 Minutes per Sample
- Preset Operating Temperature
- 1150 ± 5°C (Max 1250°C)
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Product Overview
This rapid intelligent integrated sulfur analyzer provides automated, high-precision measurement of total sulfur content in combustible materials, minerals, and chemical substances. Operating on the proven principle of high-temperature combustion combined with coulometric titration, this system automates sample feeding, temperature ramping, titration endpoint determination, algorithmic data processing, and result recording. By reducing manual intervention strictly to sample weighing and combustion boat loading, the instrument eliminates operator variance while maximizing laboratory throughput.
Engineered specifically for quality control and analytical laboratories across the coal, power generation, metallurgy, petroleum, cement, and geological sectors, this unit accurately determines sulfur concentration across wide operational ranges. The integrated architecture incorporates a silicon carbide heating assembly, a robust high-temperature combustion tube, dual platinum indicator sensing mechanisms, and an electrolytic titration cell within a compact, laboratory-ready footprint. It delivers rapid, reliable analytical screening for raw material inspection and strict environmental compliance monitoring.
Built for high-volume testing schedules, the analyzer features multi-stage hardware corrections and baseline stabilization to ensure repeatability under continuous testing regimes. The responsive detection circuitry, paired with precision gas routing and stable integrator tracking, enables laboratories to maintain reproducible testing standards during round-the-clock shift work. Its durable design safeguards internal components against heat fatigue and chemical exposure, ensuring long-term operational consistency.
Detail & Parts
Key Features
- Coulometric Titration Technology: Advanced coulometric micro-electrolysis circuitry detects titration endpoints instantaneously, removing the requirement for standard solution preparation and routine chemical recalibration.
- Automated Two-Stage Combustion Sequence: Microprocessor-controlled sample transport automatically holds boats at 700°C for 45 seconds before advancing to the 1150°C high-heat zone for 4 minutes and 15 seconds, preventing flash splattering and guaranteeing complete oxidation.
- High-Response Dual Platinum Electrodes: Premium dual-platinum sensing electrodes achieve iodine-iodide equilibrium response times under one second, capturing transient reaction kinetics with high analytical sensitivity.
- Ultra-Low Drift Integrator Stability: Precision integrator engineering restricts zero-point baseline drift to within ±0.2 ppm sulfur per ten minutes, providing linear accuracy even at the lowest limits of detection.
- Rugged Silicon Carbide Heating Chamber: Premium silicon carbide heating elements deliver stable thermal fields up to 1250°C, supported by ten-stage adjustable current controls that mitigate thermal shock and prolong component life.
- High-Capacity Electrolytic Cell: The 400 mL cell volume with paired 1.0 × 1.5 cm² platinum working electrodes delivers robust electrolytic capacity for continuous sequential determinations without frequent electrolyte replenishment.
- Intuitive Interface and Integrated Automation: High-resolution display interface allows direct monitoring of furnace temperature, electrolysis current, gas flow dynamics, and dynamic titration curves with automatic report generation.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Coal & Coke Quality Analysis | High-throughput total sulfur determination in thermal coal, coking coal, and refined metallurgical coke for energy pricing. | Prevents boiler corrosion and confirms metallurgical sulfur compliance within strict cycle times. |
| Petroleum & Petrochemical Refining | Quantification of bound sulfur in heavy residual oils, crude fractions, and hydrocarbon feedstocks. | Minimizes downstream catalyst poisoning and ensures adherence to regional emissions thresholds. |
| Mining & Mineral Ore Processing | Screening of total sulfur content in iron ores, non-ferrous concentrates, tailing residues, and rock core samples. | Accelerates process control decisions during smelting, roasting, and mineral beneficiation. |
| Cement & Building Materials | Measurement of sulfur trioxide precursors in raw limestone slurries, clinker, gypsum, and finished building cements. | Controls setting times and structural integrity while meeting structural chemistry specifications. |
| Chemical & Polymer Manufacturing | Routine batch quality assurance of raw synthetic feedstocks, agricultural fertilizers, and organic specialty compounds. | Guarantees batch-to-batch chemical uniformity and protects process piping from sulfurous acid corrosion. |
| Environmental & Slag Monitoring | Analytical evaluation of sulfur compounds in industrial solid waste, combustion ashes, and metallurgical slag. | Supports emissions reporting and environmental safety audits with defensible, repeatable analytical records. |
Technical Specifications
| Parameter | KT-CD3 Specification |
|---|---|
| Measurement Range | 0% to approximately 99% Total Sulfur |
| Analysis Time | 5 minutes total (45 s dwell at ~700°C; 4 min 15 s at 1150°C) |
| High-Temperature Furnace Zone Length | Approximately 90 mm |
| Preset Operating Temperature | 1150 ± 5°C (Adjustable up to 1250°C) |
| Heating Element Type | Silicon Carbide Tube (Model 40/30 × 200/160) |
| Heating Current Range | 0 to 15 A, adjustable across 10 discrete steps |
| Electrode Equilibrium Response Time | ≤ 1.0 second (Dual Platinum Indicator Electrodes) |
| Electrolytic Cell Volume | 400 mL |
| Electrolytic Platinum Electrode Surface Area | 1 cm × 1.5 cm |
| Integrator Baseline Stability | Zero-point drift ≤ ±0.2 ppm sulfur per 10 minutes |
| Linearity Error | ±0.01% |
| Sample Granularity | Approximately 0.1 mm mesh pass |
| Typical Sample Mass | Approximately 50 mg |
| Carrier Gas Requirement | Dry, acid-free purified ambient air |
| Carrier Gas Flow Rate | Input flow > 1500 mL/min; Analyzed gas stream 1000 mL/min |
| Ambient Operating Temperature | 5°C to 40°C |
| Relative Humidity Limits | ≤ 85% RH (non-condensing) |
| Power Supply Requirements | AC 220V ± 10%, 50 Hz, 3 kW maximum power consumption |
| Controller Dimensions (W × D × H) | 360 mm × 280 mm × 140 mm |
| High-Temperature Tube Furnace Dimensions | 60 mm × 29 mm × 25 mm |
Why Choose This Product
- Engineered Analytical Precision: Incorporates multi-tier algorithmic correction factors that neutralize baseline drift and electrolytic cell exhaustion, ensuring exceptional data repeatability.
- Rugged Thermal Architecture: Industrial silicon carbide tubular elements operate reliably up to 1250°C, providing uniform thermal profiles across prolonged testing cycles.
- Low Operational Overhead: The coulometric titration approach eliminates expensive specialized calibration gases and time-consuming wet-chemistry standard titrants, substantially lowering the cost per sample.
- Turnkey Laboratory Integration: The unified footprint consolidates gas purification, thermal oxidation, electrolytic detection, and data processing modules into an intuitive platform that saves bench space.
- Responsive Global Service: Backed by dedicated technical specialists, comprehensive consumable inventories, and preventative maintenance support to safeguard laboratory uptime.
Connect with our engineering specialists today to request an official quotation or discuss customized configurations tailored to your testing throughput requirements.
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