Coal & Coke Testing Equipment
Rapid Intelligent Sulfur Analyzer Automatic Coulometric Sulfur Determinator for Coal and Coke Analysis
Item Number : KT-TE9
Price varies based on specs and customizations
- Sulfur Measurement Range
- 0 - 99.99%
- Analysis Time
- 3 - 9 min/sample
- Temperature Control Precision
- 1150 ± 5°C
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 rapid intelligent sulfur analyzer is an automated analytical system engineered for the high-precision determination of total sulfur content in combustible materials. Operating on advanced coulometric titration principles and governed by an intelligent single-chip microcontroller, this instrument automates the entire analysis cycle—from high-temperature sample combustion to dynamic titration, automatic curve correction, and direct report generation. It eliminates manual calculation errors and baseline instability, delivering repeatable analytical data for rigorous quality inspection and process control.
Designed primarily for fuel testing laboratories, coal processing plants, thermal power stations, coking facilities, and environmental inspection agencies, the equipment handles diverse matrices including raw coal, cleaned coal, metallurgical coke, petroleum coke, coal gangue, and related solid combustible compounds. By fully complying with the national standard GB/T 214-2007 for total sulfur determination in coal, this system guarantees full regulatory compliance, testing traceability, and audit readiness across industrial and research environments.
Engineered for continuous, multi-shift duty, this unit features a robust silicon carbide tube furnace capable of rapid heating up to 1200°C alongside an advanced anti-backflow electrolytic cell. Its intelligent fault self-diagnosis and zero-drift algorithmic processing maintain consistent baseline accuracy even under unstable ambient conditions. Plant chemists and laboratory managers can rely on this instrument to accelerate batch processing times, reduce reagent overhead, and sustain peak throughput during critical operational cycles.
Detail & Parts

Key Features
- Microcontroller-Driven Automation: Advanced single-chip microcomputer architecture executes multi-point calibration, automatic curve fitting, and real-time baseline compensation without zero-point drift, outputting verified results directly via the integrated printer.
- Rapid Combustion and Intelligent Endpoint Determination: High-efficiency furnace combustion completes sample analysis within 3 to 9 minutes, using smart potentiometric titration algorithms to detect endpoints precisely and command automatic sample return.
- Precision Silicon Carbide Thermal Engine: Premium silicon carbide (SiC) tubular heating element paired with a 0.5-grade temperature measurement circuit delivers 1150°C ± 5°C operational stability with rapid heating dynamics of 25°C to 30°C per minute.
- Advanced Anti-Backflow Electrolytic Cell: Engineered with a 450 mL high-capacity reservoir, dual metallic platinum electrodes, and an anti-siphon pathway that prevents electrolyte back-siphoning while enabling rapid, tool-free replacement of the sintered glass filter disc.
- Ultra-Wide Analytical Range and High Resolution: Accurately measures total sulfur fractions from 0% to 99.99% with a resolution of 0.00001 (0.001%), accommodating ultra-low sulfur clean fuels as well as high-sulfur industrial concentrates.
- Instant-On Operational Stability: Optimized electronic circuitry stabilizes the measurement subsystem within 60 seconds of initial power-up, significantly reducing pre-shift preparation overhead and gas consumption.
- Modular Architecture with Built-in Self-Diagnostics: Isolated circuit boards and continuous hardware monitoring automatically identify wiring, gas flow, or sensor irregularities, displaying clear diagnostic notifications to accelerate maintenance and minimize downtime.
- Precision Pneumatic Carrier Flow Regulation: Integrated flow stabilization hardware maintains a constant carrier gas delivery of 1000 mL/min, ensuring stoichiometric combustion and uniform analyte transfer into the titration vessel.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Coal Mining & Washing Quality Control | Quantifying total sulfur content across run-of-mine raw coal, washed fractions, tailings, and processing rejects. | Ensures immediate compliance with contract calorific and sulfur specifications while guiding coal blending ratios to optimize commercial yield. |
| Thermal Power Plant Combustion Monitoring | Screening pulverised coal feeds to predict sulfur dioxide emissions and optimize flue-gas desulfurization (FGD) systems. | Mitigates environmental penalty risks, minimizes excessive reagent dosing in wet scrubbers, and protects boiler tubes from acidic corrosion. |
| Metallurgical Coke & By-Product Verification | Routine quality assurance of metallurgical coke, foundry coke, and semi-coke used in blast furnaces and cupolas. | Prevents hot metal sulfur contamination, reduces iron desulfurization costs, and ensures structural integrity in downstream steelmaking. |
| Coal Gangue & Solid Waste Utilization | Measuring residual sulfur content in coal gangue, fly ash, and carbonaceous shale repurposed for building materials or backfilling. | Complies with environmental disposal criteria and prevents acid mine drainage (AMD) or harmful sulfate leaching in geotechnical works. |
| Cement Clinker & Kiln Fuel Evaluation | Testing low-grade alternate fuels, petcoke, and secondary solid fuels introduced into rotary cement kilns. | Balances sulfur-to-alkali ratios inside precalciners, preventing ring formation, preheater blockages, and inconsistent clinker setting times. |
| Independent Inspection & Commercial Certification | Third-party commercial arbitration, export cargo certification, and laboratory benchmarking compliant with GB/T 214-2007. | Delivers indisputable, highly repeatable analytical data supported by automatic baseline correction and hardcopy documentation. |
Technical Specifications
| Parameter | Specification (KT-TE9) |
|---|---|
| Product Item Number | KT-TE9 |
| Applicable Standard | GB/T 214-2007 (Determination of Total Sulfur in Coal) |
| Sulfur Measurement Range | 0% – 99.99% |
| Measurement Resolution | 0.00001 (0.001% / 10⁻⁵) |
| Combustion & Analysis Duration | 3 – 9 minutes per sample (automatic endpoint return) |
| Operating Furnace Temperature | 1150°C ± 5°C (user-adjustable based on protocol) |
| Temperature Measurement Accuracy | Grade 0.5 |
| Temperature Control Precision | ± 5°C at 1150°C |
| Heating Element Type | Silicon Carbide (SiC) Tube |
| Furnace Heating Rate | 25°C – 30°C/min (ambient to 1200°C in ~35 min) |
| Electrolytic Cell Capacity | 450 mL |
| Sensing Electrodes | Metallic Platinum (Pt) |
| Electrolyte System Features | Anti-backflow design, quick-change sintered glass filter plate |
| Baseline Stabilization Time | ≤ 1 minute from cold power-on |
| Carrier Gas Flow Rate | 1000 mL/min |
| Analytical Data Processing | Automatic baseline drift correction, dynamic curve correction, SCM automated processing |
| Data Output | Integrated micro-printer and digital display |
| Operating Power Supply | 220V ± 20%, 50 Hz |
| Total Power Consumption | ≤ 2.2 kW |
Why Choose This Product
- Robust Thermal Engineering for 24/7 Operations: Unlike conventional wire-wound muffle systems prone to element burnout at high temperatures, this equipment utilizes an industrial-grade silicon carbide heating core engineered to sustain steady 1150°C operation during rigorous, continuous laboratory campaigns.
- Exceptional Analytical Fidelity without Zero Drift: The proprietary microcontroller software applies dynamic mathematical filtering and baseline tracking to eliminate thermal drift, allowing technicians to test dozens of consecutive samples without manual re-zeroing or frequent re-standardization.
- Operator-Centric Maintenance and Fluid Management: The reimagined 450 mL electrolytic cell eliminates messy electrolyte back-siphoning into gas delivery lines during pressure fluctuations, while the modular sintered glass melting plate can be cleaned or swapped out in minutes without disassembling cell wiring.
- Compliant and Traceable Documentation: Designed strictly around standard GB/T 214-2007, this system outputs comprehensive analytical records directly through an integrated micro-printer, preserving specimen integrity and eliminating operator recording discrepancies.
- Low Cost of Ownership and Rapid Deployment: With a rapid 35-minute heat-up time, one-minute electronic stabilization, modular plug-and-play electronics, and low carrier gas demand, this unit dramatically reduces per-test operating costs and minimizes downtime.
Contact our technical sales team today to request a quotation, discuss custom configurations, or schedule an analytical workflow consultation for your laboratory.
Trusted by Industry Leaders
Product Datasheet
Rapid Intelligent Sulfur Analyzer Automatic Coulometric Sulfur Determinator for Coal and Coke Analysis
REQUEST A QUOTE
Our professional team will reply to you within one business day. Please feel free to contact us!
Related Products
Copper Sulfate Reference Electrode for Laboratory Use
Looking for a Copper Sulfate Reference Electrode? Our complete models are made of high-quality materials, ensuring durability and safety. Customization options available.
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.
Hydrogen Determination Probe for Quickly Measuring Hydrogen Content with High Success Rate
Accurate hydrogen determination probe for molten steel, 0.5-14ppm range, ±0.15ppm accuracy, 96% success rate. Optimize steel quality now!
Reference Electrode Calomel Silver Chloride Mercury Sulfate for Laboratory Use
Find high-quality reference electrodes for electrochemical experiments with complete specifications. Our models offer resistance to acid and alkali, durability, and safety, with customization options available to meet your specific needs.
Lab Electrochemical Workstation Potentiostat for Laboratory Use
Electrochemical workstations, also known as laboratory electrochemical analyzers, are sophisticated instruments designed for precise monitoring and control in various scientific and industrial processes.
Custom Ion Conductivity Test Fixtures for Fuel Cell Research
Custom ion conductivity test fixtures for precise PEM/AEM fuel cell research. High-precision, customizable.
Cylindrical Press Mold with Scale for Lab
Discover precision with our Cylindrical Press Mold. Ideal for high-pressure applications, it molds various shapes and sizes, ensuring stability and uniformity. Perfect for lab use.
Laboratory CVD Boron Doped Diamond Materials
CVD boron-doped diamond: A versatile material enabling tailored electrical conductivity, optical transparency, and exceptional thermal properties for applications in electronics, optics, sensing, and quantum technologies.
Square Lab Press Mold for Laboratory Applications
Create uniform samples easily with Square Lab Press Mold - available in various sizes. Ideal for battery, cement, ceramics, and more. Custom sizes available.
Sample Support Body for Electrochemical Tests
Improve your electrochemical tests with our Sample Support Body. High-quality and reliable for accurate results. Upgrade your research today.
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.
Customizable Swagelok Type Test Cells for Advanced Battery Research Electrochemical Analysis
The KINTEK Swagelok-type test cell is a modular, T-shaped device constructed from high-quality, chemically inert materials.
Quartz Electrolytic Electrochemical Cell for Electrochemical Experiments
Looking for a reliable quartz electrochemical cell? Our product boasts excellent corrosion resistance and complete specifications. With high-quality materials and good sealing, it's both safe and durable. Customize to meet your needs.
Open Riffle Splitter Laboratory Dry Sample Divider
Engineered for accurate representative sample reduction in analytical laboratories, this open riffle splitter features precision alternating chutes for granular bulk solids. Available in stainless or galvanized steel, it ensures fast, unbiased sample division across standard and fine particle sizes.
Customizable CO2 Reduction Flow Cell for NRR ORR and CO2RR Research
The cell is meticulously crafted from high-quality materials to ensure chemical stability and experimental accuracy.