Steam-temperature control device for a gas- and steam turbine plant

The invention relates to a steam-temperature control device (1) for a gas- and steam turbine plant, comprising a feed water line (2), a feed-water control valve (3) located in the feed water line (2) and a water injection line (5) which branches off from the feed water line (2) upstream of the feed-...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ZUBROD HORST
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES STEAM GENERATION SUPERHEATING OF STEAM WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a steam-temperature control device (1) for a gas- and steam turbine plant, comprising a feed water line (2), a feed-water control valve (3) located in the feed water line (2) and a water injection line (5) which branches off from the feed water line (2) upstream of the feed-water control valve (3) in the flow direction of said water and which opens into an injection cooler (4). Said steam-temperature control device is characterised in that a pre-heating device (6) for the injection water is connected in the water injection line (5). The invention further relates to a method for controlling the steam temperature in a gas- and steam turbine plant.