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Gas turbine power augmentation by the addition of nitrogen and moisture to the fuel gas

  • US 6,343,462 B1
  • Filed: 11/13/1998
  • Issued: 02/05/2002
  • Est. Priority Date: 11/13/1998
  • Status: Expired due to Fees
First Claim
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1. An apparatus for the addition of nitrogen and moisture derived from low pressure steam to the fuel gas utilized to drive a gas turbine comprising:

  • (a) a saturator tower adapted for the contacting of nitrogen gas with a hot water stream to form a mixture of water vapor and nitrogen gas;

    (b) conduit means for passing the mixture of water vapor and nitrogen gas to a heat exchanger unit where low pressure steam is used to produce a superheated mixture of water vapor and nitrogen gas;

    (c) conduit means for passing the superheated mixture to a chamber for mixing with feed gas to form a fuel gas mixture;

    (d) conduit means for passing the fuel gas mixture of fuel gas, nitrogen and water vapor mixture to a heat exchanger where low pressure steam is used to produce a superheated fuel gas mixture;

    (e) conduit means for passing the superheated fuel gas mixture to a gas turbine combustor.

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