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Gas turbine equipment and gas turbine cooling method

  • US 6,792,762 B1
  • Filed: 10/01/2001
  • Issued: 09/21/2004
  • Est. Priority Date: 11/10/1999
  • Status: Expired due to Fees
First Claim
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1. A gas turbine unit comprising a first compressor to compress and discharge gas, a combustor to which gas compressed by the first compressor is fed, and a turbine to be driven by combustion gas from the combustor;

  • wherein said gas turbine unit has a turbine-cooling system to feed gas from said first compressor to the turbine, said turbine-cooling system comprising;

    a heat exchanger to cool the gas compressed by said first compressor, a liquid-separating means for separating liquid from the gas cooled by the heat exchanger, a dust-collecting means for separating dust from the gas having passed through the liquid-separating means, and a second compressor to raise the pressure of the gas having passed through the dust-collecting means to a desired level.

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