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STEAM POWER PLANT WITH A FLAME-HEATED STEAM GENERATOR AND A GROUP OF GAS TURBINES

  • US 3,789,804 A
  • Filed: 12/14/1972
  • Issued: 02/05/1974
  • Est. Priority Date: 12/14/1972
  • Status: Expired due to Term
First Claim
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1. A steam power plant comprising a flame-heated steam generator including a plurality of heating surfaces for passage of a flow of combustion gas thereover in heat exchange relation with a flow of operative medium therein, a burner for supplying fuel to said generator, at least two gas turbine groUps for supplying combustion air to said steam generator, one of said groups being connected to said burner to deliver combustion air thereto and the other of said groups being connected to said steam generator at a mixing location between two of said heating surfaces disposed downstream of said burner to deliver combustion air thereto, and means for selectively connecting said other groups to said burner to deliver combustion air thereto in response to failure of said one group to deliver combustion air to said burner.

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