Expertly designed to provide efficient flue gas heat recovery, ahead of flue gas desulphurization (FGD) or tail end selective catalytic reactors (SCR).
Our genuine gas-gas heaters have an unrivaled track record for the highest availability and trouble-free operation.
Our unique GGHs are celebrated for their quality, reliability and operating experience of more than 30,000,000 hours
LJUNGSTRÖM has been paving the way for GGH technology from the very beginning. Back in the 1970s, our team of engineers developed our cutting-edge air preheater into a powerful gas-gas heater platform. Ever since the Ljungstrom® Gas-Gas Heater systems have been operating in coal and oil-fired power plants and industrial applications around the world, and we have maintained a reputation as the world’s leading GGH experts.
Our premium GGH offer a long-lasting operation and unmatched experience. Our expertise allows us to provide a number of proven product configurations tailored for each installation. We only ever choose materials and components of the highest quality to ensure that we are delivering every client the best possible solution.
Proven product technology backed by global experience
Most cleanable GGH solution which improves your operation's flexibility
Low leakage operation with high efficiency sealing systems
Advanced heating element profiles
Highest quality enamel using the best available processes
Minimized equipment and ductwork corrosion
Improved plume dispersion and reduced plume opacity
Reduced ground level concentrations and acid fallout problems
Eliminated or reduced need for lining downstream ducts and stack
Industry preferred technology, including all major leading FGD and SCR system suppliers
Proven design for all FGD and SCR applications
Corrosion-resistant thanks to the highest quality enamel
High reliability and availability
Compact design with less space requirements
Low-pressure drop for minimal impact on your plant's heat rate
Our position as industry leaders is a direct result of our commitment to customer satisfaction, as well as our ongoing dedication to developing advanced technology that meets our customers’ needs
We can refurbish existing equipment, replace components, or upgrade your entire system to restore the thermal efficiency and leakage control of your operation to better than new.
Upgrade to the Ljungstrom® Air Preheater and the Ljungstrom® Gas-gas Heater to boost the performance and efficiency of your operation.
Enhance your processes with our industry preferred auxiliary systems and state-of-the-art technologies.
We offer multiple configurations, to suit your space and setup.
Hassle-free replacement of your full air preheater unit, with a unique drop-in design that attaches directly to existing support foundations.
Replacement of heating elements
Replacement of rotor components that have become worn over time
Auxiliary system parts (drive, bearings, etc)
Our technical service specialists and engineers, along with our authorized partners, will carry out world-class inspections of every element and component within your operation and provide a detailed report. Inspections can include:
Heating element basket review and recommendations
Rotating component life assessment
Condition assessment of sealing system and drive system
Shaft position and bearing inspection
Cleaning system efficiency evaluation
Assessment of operating parameter and performance
Remote Visual Inspection – Utilizing the latest aerial robotic technologies
Offering unique benefits during both hot and cold commissioning
Multiple ways to reduce leakage
Load-following leakage control systems
We’ll work closely with you to create a tailored maintenance plan, including recommendations for work to be carried out during planned outages. We will carry out an initial condition assessment and provide a detailed report, with recommendations that are tailored to you and your operation. This includes labour and resource planning, repairs, upgrades, replacement parts and installation services.
We have a responsive team of expert technical service specialists and engineers who are the best in their fields. They are available to diagnose and repair any problems on-site, every day of the year, to help you optimize the operation and reliability of your equipment.