System and method for providing supercritical cooling steam into a wheelspace of a turbine

System and method for providing supercritical cooling steam into a wheelspace of a turbine

  • CN 101,634,232 A
  • Filed: 07/23/2009
  • Published: 01/27/2010
  • Est. Priority Date: 07/24/2008
  • Status: Active Application
First Claim
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1. system that is used for the high-pressure section of cooling turbine machinery, this system comprises:

  • Conduit (8), it is configured to the cooling steam from boiler (2) is transported to the space of upstream of the first order nozzle (30) of turbomachinery, and wherein, this conduit extends through the shell (20) of turbomachinery and the nozzle barrier film (26) of first order nozzle;

    AndControl valve in the conduit (6), it is configured to regulate cooling steam stream.

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