COMBUSTOR NOZZLE ASSEMBLED BODY, COMBUSTOR PROVIDED WITH THE SAME AND GAS TURBINE

摘要

PROBLEM TO BE SOLVED: To prevent fuel leakage from nozzles to the outside while suppressing manufacturing costs.SOLUTION: A combustor nozzle assembled body 20 comprises: a nozzle mounting base body 70 for covering a combustor insertion opening provided on a turbine casing; nozzle rods 40 that pass through the nozzle mounting base body 70 and have rod base end portions 41b protruding outside the turbine casing while having rod tip portions 41t protruding inside the turbine casing; an oil fuel pipe 60 that is entirely inserted inside the nozzle rods 40, has a pipe tip portion 61t fixed to the rod tip portions 41t in the nozzle rods 40, has a pipe base end portion 61b inserted inside the rod base end portions 41b of the nozzle rods 40, is supplied with fuel Fmo therein via the rod base end portions 41b and injects the fuel Fmo from the pipe tip portion 61t via the rod tip portions 41t of the nozzle rods 40; and an O-ring 36 for suppressing fuel leakage to a pipe tip portion 61t side between an inner peripheral side of the nozzle rods 40 and an outer peripheral side of the oil fuel pipe 60 inside the rod base end portions 41b of the nozzle rods 40.