Gas turbine rotor is sealed to graphite seal device and gas turbine

The utility model discloses a gas turbine rotor is sealed to graphite seal device and gas turbine, this graphite seal device include: the cover locate rotating ring on the rotor, be fixed in the quiet ring on the bearing frame and be located the rotating ring and quiet ring between the graphite annulus, corresponding on the bearing frame on the rotating ring and having offered first lubricating oil passageway towards the position of the tip of oil pocket, the rotating ring is equipped with annular depressed part in tip department. The utility model discloses a set up first lubricating oil passageway on the bearing frame, and the rotating ring sets up the annular depressed part that corresponds with first lubricating oil passageway in tip department, realized the effective cooling to the accurate outer anchor ring of rotating ring, under the normal circumstances of lubricating system fuel feeding, avoided rotating ring and graphite annulus heat altered within a definite time to appear, improved the device reli