INTAKE AIR COOLING SYSTEM

摘要

An intake air cooling system 100 for a gas turbine 18 is provided with: an intake duct 12 for leading intake air taken in from an intake-air inlet 22 to a compressor 14 of the gas turbine 18; a cooling part 26 provided in the intake duct to cool the intake air by heat exchange with a cooling medium introduced from an outside; a drain discharge line 102 connected to a part of the intake duct below an inlet 14a of the compressor so as to discharge drain water flowing along an inner peripheral surface of the intake duct; and a water seal part 104 provided in the drain discharge line 102 to keep water seal in a part of the drain discharge line 102 by a water pressure at least corresponding to an amount of a negative pressure in the vicinity of the inlet of the compressor.

主权项

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 drain discharge line connected to a part of the intake duct below an inlet of the compressor, the drain discharge line being configured to discharge drain water flowing along an inner peripheral surface of the intake duct; and a water seal part provided in the drain discharge line and configured to keep water seal in a part of the drain discharge line by a water pressure at least corresponding to an amount of a negative pressure in a vicinity of the inlet of the compressor.