| 摘要 |
PROBLEM TO BE SOLVED: To efficiently manufacture a steam turbine capable of effectively suppressing steam leakage.SOLUTION: The steam turbine includes: an inner casing 2 for housing a rotor and the like; an outer casing 1 for housing the inner casing 2 and the like; and a steam communication pipe 10 attached with an annular member 15. The steam communication pipe 10 has an annular shape and is arranged such that one side thereof passes through seal rings 8a, 8b stacked in a first steam inlet port 21 of the inner casing 2, and the other side thereof passes through the seal rings 8a, 8b in a second steam inlet port 22 of the outer casing 1. The annular member 15 is formed to surround a portion of the outer peripheral surface of the steam communication pipe 10 surrounded by the seal rings 8a, 8b, and fitted to the outer peripheral surface. |
