×

Combined cycle electric power plant and a heat recovery steam generator with improved fluid level control therefor

  • US 3,955,358 A
  • Filed: 08/08/1974
  • Issued: 05/11/1976
  • Est. Priority Date: 08/08/1974
  • Status: Expired due to Term
First Claim
Patent Images

1. A combined cycle electric power plant comprising:

  • a. at least one gas turbine including an exit through which heated exhaust gases pass;

    b. means for generating steam coupled to said gas turbine exit for transferring heat from the exhaust gases to a fluid passing through said steam generating means;

    c. a steam turbine coupled to said steam generating means and driven by the steam supplied thereby;

    d. means for generating electric power by the driving power of said turbines;

    e. condenser means for receiving and converting the spent steam from said steam turbine into condensate, said condenser means including a hotwell storage portion for receiving and storing the condensate;

    f. said steam generating means including a deaerator for receiving condensate from said condenser and storing the received condensate in a storage portion thereof, a feedwater pump for directing the stored fluid from said deaerator storage portion to a first heat exchange tube, a main drum associated with said first heat exchange tube for receiving the heated fluid therefrom, and a second heat exchange tube associated with said main drum for receiving fluid therefrom and for heating the fluid by the exhaust gases from said gas turbine into superheated steam to be directed to said steam turbine;

    g. condensate valve means for controlling the flow of condensate from said condenser hotwell storage portion to said deaerator; and

    h. means for controlling the operation of said turbines and said steam generating means comprising fluid level control means responsive to the flow of superheated steam to said steam turbine for regulating the flow of condensate into said deaerator storage portion in accordance therewith.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×