Method for retrofitting a double flow steam turbine

Method for retrofitting a double flow steam turbine

The method for retrofitting a double flow steam turbine (1) comprises: opening an outer casing (21) of the steam turbine (1), removing the blade carriers (5, 6) and the stator blades (7, 8), removing the inner casing (11a) with inlet belt (11b), removing the double flow rotor (2) and the rotor blade...

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Hauptverfasser: BLATCHFORD, DAVID PAUL, GHODAKE, SUYOG SIDRAM, DIESCH, ANDREW MARTIN, BELL, DAVID LLOYD
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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creator BLATCHFORD, DAVID PAUL
GHODAKE, SUYOG SIDRAM
DIESCH, ANDREW MARTIN
BELL, DAVID LLOYD
description The method for retrofitting a double flow steam turbine (1) comprises: opening an outer casing (21) of the steam turbine (1), removing the blade carriers (5, 6) and the stator blades (7, 8), removing the inner casing (11a) with inlet belt (11b), removing the double flow rotor (2) and the rotor blades (3, 4). Thus, the method comprises the further steps of providing a new single flow rotor (23) and new rotor blades (24) different from the rotor blades (3, 4) connected to the double flow rotor (2), providing balancers connected to the single flow rotor (23), to balance the axial thrust, providing new stator blade carriers (28) and new stator blades (29) different from the stator blades (7, 8) associated to the double flow rotor (2), providing a new inner casing (31a) with inlet belt (31b), providing a passage (30) between the inner casing (31a) and the outer casing (21), closing the outer casing (21).
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subjects BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
title Method for retrofitting a double flow steam turbine
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