초록 ▼

A wet compression power augmentation apparatus and method for effectively adding a mass flow of nebulized water to a gas turbine by use of a spray rack group assembly having at least one spray rack water pipe and at least one spray rack water nozzle. Nebulized water mass flow is added in increments

A wet compression power augmentation apparatus and method for effectively adding a mass flow of nebulized water to a gas turbine by use of a spray rack group assembly having at least one spray rack water pipe and at least one spray rack water nozzle. Nebulized water mass flow is added in increments such that operationally-induced thermal stresses within the gas turbine are sufficiently minimized to preserve the structural integrity of the gas turbine. Monitoring of the temperature profile of fluid-cooled rotor blades in the turbine section with an optical pyrometer to detect clogging of cooling pathways in those rotor blades from impurities in the liquid added through the wet compression, monitoring of temperature in the gas turbine compressor inlet to guard against the possibility of icing, and use of a laser emitter and laser target measuring system mounted to the exterior of the gas turbine hosing to detect deformation in the housing of the gas turbine from associated cooling effects help enable safe use of the wet compression technique. Addition of steam in the compressor inlet to control the inlet air temperature and to thereby prevent ice-forming conditions in the compressor inlet and elsewhere extends the benefits of the wet compression technique to operation in cooler climates.

대표청구항 ▼

[ What is claimed is:] [1.] A wet compression power augmentation apparatus for adding a mass flow of nebulized water to a gas turbine, said gas turbine having a housing and a compressor and said compressor having a compressor inlet, comprising:means for nebulizing water positioned essentially in sai

[ What is claimed is:] [1.] A wet compression power augmentation apparatus for adding a mass flow of nebulized water to a gas turbine, said gas turbine having a housing and a compressor and said compressor having a compressor inlet, comprising:means for nebulizing water positioned essentially in said compressor inlet and which means is adapted to modify the mass flow of nebulized water in a plurality of nebulized water mass flow increments such that operationally-induced thermal stresses within said turbine due to the use of said mass flow of nebulized water are sufficiently minimized to preserve structural integrity in said gas turbine; andmeans for providing a sufficient amount of water to said nebulizing water means so that, in continuous operation, an inlet air stream having entrained liquid water particles may be provided to said compressor inlet and the work of compression lessened thereby through latent heat intercooling in the compressor.