Regenerative air preheater
Ljungström® Alstom Power Generation

The world’s most utilized power plant air and gas heaters – brought to you by Alstom.

Our Ljungström® rotary regenerative heaters are recognized by boiler companies, utilities and industrial manufacturers around the world as the best products of their type.

The first installation of a Ljungström® air preheater on a commercial boiler reduced fuel consumption by as much as 25%, and in modern utility boilers the Ljungström® air preheater contributes up to 20% of the overall boiler efficiency while representing only 2% of the total investment.

With over 20,000 installed worldwide, Ljungström® air preheaters and gas gas heaters are more widely used than any other brand of rotary regenerative heater in the steam generating industry.

Available in a broad range of sizes, arrangements, and materials, our products are engineered to meet the specific requirements and operating conditions of a variety of applications including:

Electrical power generating plants
Fluidized bed boilers
Package and large industrial boilers
Hydrocarbon and chemical processes
Flue gas and other reheating systems