Mitsubishi Hitachi Power Systems, Ltd.

Tatsunao Nagashima

Katsuhiro Hotta

Masaru Takamatsu

Jiro Asakuno

Keita Fujii

Yasuoki Tomita

Tadakuni Nishio

Masashi Nishimura

An intake air cooling systemfor a gas turbineis provided with: an intake ductfor leading intake air taken in from an intake-air inletto a compressorof 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 partformed in a convex shape protruding from bottom surfacesof the intake duct disposed on a downstream side of the cooling part; and at least one drain holeformed in the bottom surfacesof the intake duct disposed on the downstream side of the cooling part so as to discharge drain water, generated on a surface of the cooling part and dropping from the surface, to an outside of the intake duct.

Intake air cooling system

An intake air cooling systemfor a gas turbineis provided with: an intake ductfor leading intake air from an intake-air inletto a compressorof the gas turbine, the intake duct having a vertical ductand a manifold partdisposed on a downstream side of the vertical duct; a cooling partprovided in the intake duct to cool the intake air by heat exchange with a cooling medium which is introduced from an outside; a filter partprovided on an inlet side of the manifold part to remove impurities contained in the intake air introduced through the vertical duct; and a drain catcherconstituted by a gutter member provided immediately above the filter part along inner wall surfacesof the vertical duct, the drain catcher being configured to collect drain water flowing along the inner wall surfaces of the vertical duct.

Growing community of inventors

Tokyo, Japan

Tatsunao Nagashima