FIELD: engines and pumps.
SUBSTANCE: steam turbine comprises turbine body; rotor; sealing jacket between turbine body and rotor, which seals steam that flowed to upstream rotor side; nozzle box installed inside turbine body; and blocking plate installed between nozzle box and sealing jacket that seals steam flown from clearance between nozzle box and rotor.
EFFECT: increased efficiency factor of turbine.
15 cl, 10 dwg
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