Method for operating a gas turbo group

Details Method for operating a gas turbo group Method for operating a gas turbo group

2006-07-04

2006-07-04

Casaregola, Louis J. (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

C060S039270, C060S723000

Reexamination Certificate

active

07069727

ABSTRACT:
A gas turbo group has a combustion chamber comprising a catalytic burner stage (2), a preburner stage (1) located upstream from the catalytic burner stage, as well as a non-catalytic burner stage (11, 5, 6) located downstream from the catalytic burner stage. The preburner stage serves to always maintain a temperature (T1) at the inlet into the catalytic stage that corresponds at least to a minimum temperature (TMIN) necessary for operating the catalytic burner stage. According to the invention, the gas turbo group is operated so that the burner stage located downstream from the catalytic combustion chamber is taken into operation only when the temperature (T2) at the outlet from the catalytic stage has reached an upper limit in the presence of a maximum combustion air mass flow.

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