Hydrogen Flame Detector - D-LX 201

DURAG GROUP

Safe, flexible, and selective flame monitoring
Optical flame monitoring for industrial combustion plants
Analyzes flame flickering intensity, frequency, and stability
Built fail-safe and self-monitoring
Provides additional information via bus systems

The D-LX 201 Compact flame monitor is a highly advanced device designed for safe, flexible, and selective flame monitoring in large industrial combustion plants with many burners, complex process sequences, or multiple fuels. It utilizes optical flame monitoring by evaluating electromagnetic radiation in the ultraviolet, visible, and infrared regions of the spectrum to analyze flame flickering, intensity, and stability. This device is built to be fail-safe and self-monitoring, ensuring reliable operation in demanding environments. It features a direct relay output for flame signals and supports modern bus systems for additional information. The D-LX 201 is certified for safety up to SIL3 and offers various housing variants (P2, M5, M4) to suit different applications. It also provides real-time flame stability analysis, making it ideal for complex industrial processes. The device is available with optional real-time flame stability analysis and is suitable for use with fiber optic systems (designated D-LX 721).

Use Cases

Complex combustion plants with a larger number of burners
Combustion processes with continuous operation and with changing fuels
Fossil fuelled power plants (Lignite, hard coal, biomass, oil and gas)
Thermoprocessing plants
Chemical plants
Refineries
Waste incineration plants
Petrochemical plants
Steel industry
Cement plants

Capabilities

Safe process control
Higher flexibility for different loads and different fuels
Protection from unscheduled shutdown of the burner
Fulfilment of special requirements
Same technology for the most variable application conditions

DURAG GROUP DURAG GROUP, a German gas analysis and measurement technology company, supports hydrogen purity monitoring through its subsidiary AP2E's ProCeas gas analyzers, which have been developing hydrogen industry solutions since 2015 and participated in the EU-funded MetroHyVe research project for controlling hydrogen purity per ISO 14687:2019. The ProCeas gas analyzer, based on patented OFCEAS (Optical Feedback Cavity Enhanced Absorption Spectroscopy) technology combined with low-pressure sampling (LPS), monitors trace-level impurities such as CO, HCHO, NH3, H2S, COS, and H2O at hydrogen refueling stations, providing real-time contaminant detection compliant with ISO 14687, EN 17124, ISO 19880, and Northern Lights CCUS specifications with no drift and no recalibration required. SGS France's laboratory in Harfleur uses ProCeas devices to monitor hydrogen purity for mobility applications (grade D, 99.97% purity), quantifying 14 different impurities from ppb to ppm levels in a single sample injection. DURAG GROUP also provides H2-ready combustion control and safety solutions including customized burners, igniters, flame scanners supporting up to 100% hydrogen fuel mixtures, and video/thermography monitoring systems for safe, reliable operation with complex and variable fuel mixtures.

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