Duct burners

Peter F. Barry and Stephen L. Somers†

Stephen B. Londerville1, Kenneth Ahn1 and Kevin Anderson1,    1John Zink Company, LLC, Hayward, CA, United States


Linear and in-duct burners were used for many years to heat air in drying operations before their general use in cogeneration and combined cycle systems. Some of the earliest systems premixed fuel and air in an often-complicated configuration that fired into a recirculating process airstream. The first use was in high-temperature, depleted oxygen streams downstream of gas turbines, in the early 1960s, to provide additional steam for process use in industrial applications and for electrical peaking plants operating steam turbines. As gas turbines have become larger and more ...

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