公开(公告)号：US09242316B2

公开(公告)日：2016-01-26

申请号：US14030408

申请日：2013-09-18

Applicant: ALSTOM Technology Ltd

Inventor： David Paul Blatchford ,  Andrew Martin Diesch ,  David Lloyd Bell ,  Suyog Sidram Ghodake

IPC: B23P6/00 ,  F01D3/02 ,  F01D3/04 ,  F01D5/00 ,  F01D25/26

CPC classification number: B23P6/002 ,  F01D3/02 ,  F01D3/04 ,  F01D5/005 ,  F01D25/26 ,  F05D2220/31 ,  F05D2230/80 ,  Y10T29/49229

Abstract: The method for retrofitting a double flow steam turbine includes opening an outer casing of the steam turbine, removing the blade carriers and the stator blades, removing the inner casing with inlet belt, removing the double flow rotor and the rotor blades. Thus, the method includes the further steps of providing a new single flow rotor and new rotor blades different from the rotor blades connected to the double flow rotor, providing balancers connected to the single flow rotor, to balance the axial thrust, providing new stator blade carriers and new stator blades different from the stator blades associated to the double flow rotor, providing a new inner casing with inlet belt, providing a passage between the inner casing and the outer casing, closing the outer casing.

Abstract translation: 用于改装双流蒸汽轮机的方法包括打开蒸汽轮机的外壳，去除叶片载体和定子叶片，用入口带移除内壳，移除双流转子和转子叶片。 因此，该方法包括进一步的步骤，提供与连接到双流转子的转子叶片不同的新的单流转子和新的转子叶片，提供连接到单流转子的平衡器，以平衡轴向推力，提供新的定子叶片 载体和新的定子叶片不同于与双流转子相关联的定子叶片，提供具有入口带的新的内壳，在内壳和外壳之间提供通道，封闭外壳。