Vapour turbine

Vapour turbine

Vapour turbine operating with geothermal vapours containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of sealing laminas made of a nickel alloy containing a quantity of nickel ranging from 54% to 58% by weight, a quantity of chromium ranging fro...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: CORTESE CARLO, BENDINELLI PAOLO, DE IACO MARCO, VECCHIARINO VINCENZO, GIORNI EUGENIO
Format: Patent
Sprache:chi ; eng
Schlagworte:
ALLOYS
BLASTING
CHEMISTRY
ENGINE PLANTS IN GENERAL
FERROUS OR NON-FERROUS ALLOYS
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
METALLURGY
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WEAPONS
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Beschreibung
Zusammenfassung:Vapour turbine operating with geothermal vapours containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of sealing laminas made of a nickel alloy containing a quantity of nickel ranging from 54% to 58% by weight, a quantity of chromium ranging from 21%-23% by weight, a quantity of molybdenum ranging from 12-14.5% by weight to avoid the washing of the geothermal vapours, maintaining a high useful life of the series of sealing laminas and vapour turbine. And the turbine comprises also a series of rotor blades made of nickel- chromium- molybdenum-niobium comprising a quantity of nickel ranging from 55% to 59% by weight, a quantity of chromium ranging from 19% to 22.5% by weight, a quantity of molybdenum ranging from 7.0-9.5% by weight, and a quantity of niobium ranging from 2.75-4% by weight. By using the invention, the long service lifetime of the turbine can be maintained.