Generating steam is a profitable way of reusing high-temperature waste heat. This can reduce the load on process steam boilers and allows you to save fuel or use the extra capacity for electricity generation.
Alfa Laval Aalborg offers a series of highly efficient waste heat recovery boilers that extract heat from hot flue gases and generate steam or hot water.
A boiler is easily added to your flue gas stream and recovers heat that would normally be released into the air through a chimney.
There are many possibilities to profit from recovered heat. It can be used for process heating, electricity generation or for district heating..
In this example an Alfa Laval Aalborg waste steam boiler generates steam from flue gases.
The diagrams show the payback time for different amounts of recovered energy, from 2 to 15 MW.
Payback period for flue gas heat recovery system for different stem prices