Hydrogen Integrated Thermal Systems (HITS) are industrial heating systems designed to operate on hydrogen fuel either green hydrogen from electrolysis or blue hydrogen from steam methane reforming with carbon capture replacing natural gas, LPG, or other hydrocarbon fuels in thermal processing equipment such as dryers, kilns, furnaces, and calciners. Hydrogen combustion produces water vapour as its only by-product, making it one of the cleanest combustion options for high-temperature industrial processes where electrification is impractical. Kerone’s HITS engineering addresses the distinct challenges of hydrogen combustion – higher flame velocity, wider flammability limits, and different heat transfer characteristics through purpose-designed burner systems, combustion chambers, and safety engineering.
Why Choose Kerone Hydrogen Integrated Thermal Systems
Hydrogen is not a drop-in fuel replacement for natural gas in industrial burners. Its combustion behaviour, material compatibility requirements, and safety management demands are fundamentally different. Kerone’s Hydrogen Integrated Thermal Systems development is grounded in applied combustion engineering, with burner designs and combustion chamber geometries validated at KRDC for hydrogen and hydrogen-natural gas blends across the temperature ranges relevant to industrial drying, ceramic firing, and metal heat treatment. This practical validation distinguishes Kerone’s HITS capability from theoretical hydrogen-ready claims, giving clients confidence that the systems delivered will perform safely and efficiently in production conditions.
Types and Features of Hydrogen Integrated Thermal Systems
Kerone’s Hydrogen Integrated Thermal Systems are available in three configurations: pure hydrogen operation for facilities with dedicated green hydrogen supply, hydrogen-natural gas blend configurations that allow progressive hydrogen concentration increase as supply scales up, and hydrogen-ready configurations for conventional fuel operation today with hardware and control system design accommodating future hydrogen conversion. Each Hydrogen Integrated Thermal Systems installation includes hydrogen-rated burner assemblies, combustion air management with precise hydrogen-to-air ratio control, flame detection systems calibrated for hydrogen flame characteristics, hydrogen leak detection and emergency shut-off infrastructure, and process chamber or dryer body modifications for hydrogen combustion thermal profiles.
Key Features
Purpose-designed hydrogen burner assemblies handling hydrogen's high flame velocity and wide flammability range safely
Precise hydrogen-to-air ratio control system preventing lean or rich combustion conditions across load ranges
Hydrogen-compatible material selection for combustion chamber, piping, and valve components
Multi-point flame detection system calibrated for the near-invisible hydrogen flame spectrum
Integrated hydrogen leak detection with automated emergency shut-off and purge sequences
Hydrogen-natural gas blend capability allowing incremental hydrogen concentration increase as supply develops
Process temperature uniformity management accounting for hydrogen's higher adiabatic flame temperature
Safety documentation and HAZOP analysis specific to hydrogen fuel industrial applications
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Applications of Hydrogen Integrated Thermal Systems
Kerone’s Hydrogen Integrated Thermal Systems are engineered for industries targeting deep decarbonization of high-temperature thermal processes where electrification is not technically or economically feasible.
Typical applications include:
Ceramic and advanced materials manufacturers requiring kiln temperatures above 1000°C that are impractical to achieve with electric resistance or induction heating
Specialty glass producers seeking zero-emission melting furnace operation for high-purity or optical glass production
Metal heat treatment facilities including annealing, brazing, and sintering operations converting from natural gas to hydrogen atmosphere processing
Lime and cement producers piloting hydrogen combustion in rotary kilns as part of sector decarbonization programs
Chemical industry dryers and reactors requiring precise temperature control in a zero-carbon fuel environment
Industrial zones or hydrogen valleys where hydrogen distribution infrastructure enables multiple facilities to convert thermal processes simultaneously
Hydrogen’s potential as an industrial fuel is well established in principle, the engineering challenge lies in making it practical, safe, and economically manageable in real industrial settings. Kerone’s Hydrogen Integrated Thermal Systems represent the applied engineering answer to that challenge. By designing combustion systems, safety infrastructure, and process chambers specifically for hydrogen operation and validating their performance at KRDC before delivery. Kerone provides industrial operators with a credible, technically sound pathway to hydrogen-based thermal processing. For manufacturers facing hard-to-abate process emissions and committed to genuine decarbonisation, Kerone’s HITS capability delivers the confidence that comes from engineering substance rather than marketing position.
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Frequently Asked Questions (FAQ)
When hydrogen is combusted with oxygen or air, the only by-product is water vapour — no CO2, no carbon monoxide, and no sulphur compounds are produced. When the hydrogen is produced using renewable electricity — green hydrogen — the entire fuel cycle from production to combustion is effectively zero-carbon.
Direct conversion of existing natural gas burners to hydrogen operation is generally not recommended due to hydrogen's significantly different flame velocity, combustion air requirements, and material compatibility demands. Kerone designs purpose-built hydrogen burner assemblies and typically replaces rather than converts the combustion system.
Green hydrogen is produced by electrolyzing water using renewable electricity — zero direct emissions. Blue hydrogen is produced by steam methane reforming with CO2 capture — low emissions but not zero. Grey hydrogen is produced by steam methane reforming without CO2 capture — significant emissions. Kerone's HITS systems are designed to operate on green or blue hydrogen.
Hydrogen safety requires leak detection systems using catalytic or electrochemical sensors, area classification and explosion-proof electrical equipment, emergency shut-off valve systems on the hydrogen supply line, purge sequence management for startup and shutdown, and HAZOP analysis specific to hydrogen fuel service. Kerone integrates all of these into HITS design.
Kerone's Hydrogen Integrated Thermal Systems can deliver process temperatures up to 1400°C and above, depending on the combustion chamber and refractory design. This covers the full range of industrial drying, ceramic firing, glass melting, and metal heat treatment applications.
Hydrogen has a higher adiabatic flame temperature than natural gas and a shorter, more intense flame. This affects heat distribution within the process chamber and can require adjustment of burner positioning, combustion air staging, and refractory design to achieve the same temperature uniformity as natural gas operation.
Hydrogen can be safely stored in industrial settings using certified pressure vessels and appropriate safety management protocols. Storage as compressed gas (200–700 bar) or cryogenic liquid is possible for different scale requirements. Kerone provides guidance on appropriate storage configuration and safety infrastructure for HITS installations.
A hydrogen-ready system is designed and built for conventional fossil fuel operation today, but with hardware, material selection, and control system architecture that allows conversion to hydrogen operation in the future without major equipment replacement. This protects capital investment while allowing time for hydrogen supply infrastructure to develop.
Yes. Kerone designs HITS burner systems capable of operating on hydrogen-natural gas blends from 0% to 100% hydrogen, allowing progressive decarbonisation of the fuel supply as hydrogen becomes more available and cost-competitive. Blend ratio control is integrated into the combustion management system.
Industries with high-temperature thermal processes that cannot practically be electrified are most suitable - ceramics, glass, lime, cement, specialty metals, and chemical processing. These sectors face hard-to-abate emission challenges where hydrogen combustion represents one of the most viable decarbonisation pathways.
Hydrogen has a higher mass-specific energy content than natural gas (120 MJ/kg versus 50 MJ/kg) but a lower volumetric energy content. In practical terms, burner system efficiency for hydrogen combustion is comparable to natural gas when designed specifically for hydrogen, though flame geometry and heat transfer characteristics differ.
KRDC's pilot-scale combustion test facility operates hydrogen and hydrogen-blend burners across relevant industrial temperature ranges. Kerone validates flame stability, heat distribution, temperature uniformity, and emissions performance at pilot scale before full-scale HITS system delivery.
Hydrogen Integrated Thermal Systems are designed for a 15–20 year operational lifespan, with periodic maintenance intervals for burner nozzle inspection, ignition system service, and flame detection sensor calibration. Hydrogen's clean combustion profile reduces combustion deposit buildup compared to hydrocarbon fuels, which can extend component service intervals.
Kerone conducts process hazard analysis specific to hydrogen fuel service during the Hydrogen Integrated Thermal Systems design phase, covering hydrogen supply, storage, distribution, combustion, and venting scenarios. HAZOP outputs inform the design of safety systems including leak detection, emergency shutdown, and area classification.
Green hydrogen production costs have been falling significantly with the expansion of renewable electrolyser capacity. Industrial-scale green hydrogen supply is expected to become increasingly available in green hydrogen hub regions including parts of Europe, Australia, the Middle East, and India - over the coming decade, making HITS investments strategically timely for forward-planning manufacturers.
Kerone’s custom-designed heating and processing solutions are built to meet the demands of your growing operations. Whether you’re upgrading equipment, expanding production, or need a tailor-made solution
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