STEAM TURBINE FACILITY AND COMBINED CYCLE PLANT

• Main Authors: MAKINO MASAOMI, WAKI YUICHIRO
• Format: Patent
• Language: English; Japanese
• Published: 26.12.2019
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; STEAM ACCUMULATORS; STEAM ENGINE PLANTS; STEAM ENGINES; WEAPONS

To provide a steam turbine facility and a combined cycle plant capable of dealing with large output while reducing a facility cost.SOLUTION: A steam turbine facility comprises: a rotor shaft; a pair of radial bearings which rotatably supports the rotor shaft; a pair of low-pressure turbine blade rows installed on the rotary shaft in a bearing span of the pair of radial bearings; and a high pressure turbine blade row and a medium pressure turbine blade row installed on the rotor shaft in the bearing span between the pair of low pressure turbine blade rows.SELECTED DRAWING: Figure 1 【課題】設備コストを低減しながら、大出力に対応可能な蒸気タービン設備及びこれを備えたコンバインドサイクルプラントを提供する。【解決手段】蒸気タービン設備は、ロータシャフトと、前記ロータシャフトを回転可能に支持する一対のラジアル軸受と、前記一対のラジアル軸受の軸受スパン内において前記ロータシャフトに設けられた一対の低圧タービン翼列と、前記一対の低圧タービン翼列の間に位置するように、前記軸受スパン内にて前記ロータシャフトに設けられた高圧タービン翼列及び中圧タービン翼列と、を備える。【選択図】 図１