Patent ID: 9567909
Date: 2017-02-14
CPC Classifications: F02C,F05D

Claim:
1. An intake air cooling system for a gas turbine, the system comprising: an intake duct configured to lead intake air taken in from an intake-air inlet to a compressor of the gas turbine; a cooling part provided in the intake duct and configured to cool the intake air by heat exchange with a cooling medium which is introduced from an outside; a protruding step part formed in a convex shape protruding from a bottom surface of the intake duct disposed on a downstream side of the cooling part; and at least one drain hole formed in the bottom surface of the intake duct disposed on the downstream side of the cooling part, the at least one drain hole being configured to discharge drain water, generated on a surface of the cooling part and dropping from the surface, to an outside of the intake duct, wherein the intake duct includes a horizontal duct, a curved duct connected to a downstream side of the horizontal duct and curved downwardly, and a vertical duct connected to a downstream side of the curved duct, and wherein the protruding step part is protruding from a bottom surface of the horizontal duct.