| 摘要 |
PROBLEM TO BE SOLVED: To provide a steam turbine improving drain collection efficiency. SOLUTION: A moisture separation duct 7 and a cover 8 are provided on a diaphragm inner wall surface 5 of a steam turbine and a shape thereof is formed in a recessed shape. An inlet shape of a moisture separation duct 7 is tilted and a turn part 13 is provided on a duct side on an opposite side thereof. A part of a duct in a diaphragm lower half is connected to a low pressure part such as a condenser. With the structure mentioned above, moisture 9 such as liquid film transmitting along an outer wheel inner wall surface 5 can be separated and discharged. COPYRIGHT: (C)2005,JPO&NCIPI
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