| 摘要 |
PURPOSE:To make the casing structure small-sized and simple by gradually expanding the inside casing of a double-flow double-casing turbine from the central section of a turbine shaft toward the shaft end and fitting a reinforcing rib to it. CONSTITUTION:An a double-flow turbine having an outside casing 3 and an inside casing 33, the inside casing 33 supporting multiple nozzle diaphragms 1 is gradually expanded from the central section of a turbine shaft 9 toward the shaft end, and a reinforcing rib 32 is provided on it. Accordingly, the structure of the inside casing can be made simple and small-sized. |
