A system for extending the turndown range of a turbomachine

A system for extending the turndown range of a turbomachine

  • CN 101,545,404 A
  • Filed: 03/24/2009
  • Published: 09/30/2009
  • Est. Priority Date: 03/24/2008
  • Status: Active Application
First Claim
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1. system (100,200,300,400) that is used to enlarge the regulation range of the turbo machine (105) that under partial load, moves, described system (100,200,300,400) comprising:

  • Comprise the compressor (120) that receives intake air (130), the turbo machine (105) of combustion system (135) and turbine (145);

    Wherein said turbo machine (105) produces exhaust;

    Heat recovery steam generator (HRSG) (110), wherein said HRSG (110) receive the part of described exhaust (150) and produce steam;

    AndAt least one air preheater (155) that comprises at least one heat exchange section, wherein said at least one air preheater (155) flow to described compressor (120) at described intake air (130) and before described intake air (130) are heated;

    Wherein, the part of described at least one heat exchange section receives and is in the fluid of allowing under the temperature that described intake air (130) is heated;

    And wherein, described fluid is from the outside source of described turbo machine (105);

    AndWherein, described intake air (130) is heated the output that has reduced described turbo machine (105) and enlarged described regulation range.

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