| 摘要 |
PROBLEM TO BE SOLVED: To provide a steam turbine capable of suppressing steam leakage.SOLUTION: A steam turbine includes: a turbine rotor that includes a shaft member and a seal connected to the shaft member; a turbine casing arranged around the turbine rotor, a casing space being formed between the turbine casing and the turbine rotor; a ground member that includes a first part arranged on part of a circumference of the turbine rotor and having a first bonded surface, and a second part arranged on part of the circumference of the turbine rotor and having a second bonded surface bonded to the first bonded surface, and that is connected to the turbine casing so as to close an opening in an end portion of the casing space; and a space formation member forming a heat insulation space in which a flow of gas is suppressed, between a first area on an internal surface of the turbine casing including a first end portion of the turbine casing and a second area on an internal surface of the ground member including a second end portion of the ground member adjacent to the first end portion. |
