Patent ID: 6341486
Filing Date: 2002-01-29
Classification: F01K,F02C,Y02E,Y02P,Y02T

Abstract:
A gas and steam turbine plant, comprising:a gas turbine having a flue-gas side and a combustion chamber; a steam turbine with a water/steam circuit; a fuel line connected to said combustion chamber; a saturator connected to said fuel line; a heat recovery steam generator located downstream of said gas turbine on said flue-gas side, said heat recovery generator having heating surfaces connected into said water/steam circuit of said steam turbine, and said heat recovery generator having a fuel gasification device located upstream of said combustion chamber of said gas turbine on said fuel line; a heat exchanger having a primary side and a secondary side, said heat exchanger connected on said primary side into said fuel line between said gasification device and said saturator, said heat exchanger connecting on said secondary side into said fuel line between said saturator and said combustion chamber; and a mixing device admixing nitrogen in said fuel line between said heat exchanger and said saturator.