| 摘要 |
PROBLEM TO BE SOLVED: To obtain a steam turbine nozzle box capable of easily removing intermixture adhered and accumulated on inside of the steam turbine nozzle box to reduce troubles caused by the intermixture such as boiler oxidized scale included in a main stream. SOLUTION: Inside the steam turbine nozzle box 2, a closable through-hole 12 for operation communicated with a steam inflow space of the steam turbine nozzle box 2 is formed. COPYRIGHT: (C)2008,JPO&INPIT
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