STEAM TURBINE WITH DUMMY PISTON SEALING ARRANGEMENT FOR BLOCKING SATURATED STEAM

摘要

#CMT# #/CMT# The steam turbine (1) has a rotatably mounted rotor (4) and an inner housing (9), where a high-pressure flow passage (6) is arranged between the rotor and the inner housing. The rotor has a thrust balance piston (14), where a thrust balance piston conduit (24) is formed. The thrust balance piston conduit is fluidically connected to a steam source (25), and is arranged outside the steam turbine. A wet-steam line (19) is arranged between a gap (13) and a pressure chamber (20), where the pressure chamber is arranged in an inflow region (26). #CMT#USE : #/CMT# Steam turbine. #CMT#ADVANTAGE : #/CMT# The wet-steam line is arranged between a gap and a pressure chamber, where the pressure chamber is arranged in an inflow region, and hence ensures avoiding corrosion and erosion damage of the steam turbine caused by wet stream. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a schematic cross-sectional view of a steam turbine. 1 : Steam turbine 4 : Rotor 6 : High-pressure flow passage 9 : Inner housing 13 : Gap 14 : Thrust balance piston 19 : Wet-steam line 20 : Pressure chamber 24 : Thrust balance piston conduit 25 : Steam source 26 : Inflow region.