US Patent 7900431 Process and plant for power generation

The present invention provides process and plant for power generation comprising: providing a steam generator; first, second and third steam turbines; a reheater; a gas turbine; and at least one heat exchanger; supplying a first stream comprising steam from the steam generator to the first steam turbine to generate power in the first steam turbine; recovering from the first steam turbine a recovered stream comprising steam and supplying at least a part of the recovered stream to the reheater; supplying a second stream comprising steam from the steam generator to a first zone of the heat exchanger and heating the second stream therein by supplying at least one hot exhaust gas from the gas turbine to the first zone of the heat exchanger; supplying the heated second stream to the second steam turbine to generate power therein; supplying a third stream comprising steam from the steam generator to the reheater to heat the recovered stream from the first steam turbine; recovering from the reheater a heated recovered stream from the first turbine; and supplying at least part of the heated recovered stream from the first turbine to the third steam turbine to generate power therein.