POWER PLANT AND WATER CLEANING METHOD FOR A ONCE-THROUGH WATER/STEAM CYCLE OF A POWER PLANT

A power plant (1) with a water-steam-cycle is provided, the power plant comprising:▪ a steam generator (2) with a plurality of heating surfaces (3) configured to carry a fluid and to transfer heat to said fluid, the plurality of heating surfaces (3) comprising an economizer (4) for preheating said f...

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Bibliographische Detailangaben
Hauptverfasser:	Rop, Peter Simon, Voit, Kai, Dyllus, Ronald
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHINBOILERS BLASTING CONTROLLING WATER LEVEL ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES FEED-WATER SUPPLY HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METHODS OF STEAM GENERATION PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER STEAM ACCUMULATORS STEAM BOILERS STEAM ENGINE PLANTS STEAM ENGINES STEAM GENERATION WEAPONS
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Beschreibung
Zusammenfassung:	A power plant (1) with a water-steam-cycle is provided, the power plant comprising:▪ a steam generator (2) with a plurality of heating surfaces (3) configured to carry a fluid and to transfer heat to said fluid, the plurality of heating surfaces (3) comprising an economizer (4) for preheating said fluid and an evaporator (5) for producing steam, the evaporator (5) being fluidly connected to the economizer (4),▪ a steam turbine (6) that is configured to receive the steam produced in the steam generator (2) to generate power output;▪ a condenser (7) configured to condense steam from the steam turbine (6), the condenser (7) comprising a hotwell (8) as collection container for condensed steam or water,▪ a polishing plant (9) that is arranged fluidly between the hotwell (8) of the condenser (7) and the economizer (4),wherein a drain line (10) interconnects an outlet (11) of the economizer (4) and the hotwell (8) of the condenser (7) and wherein a fluid line (12) interconnects the outlet (11) of the economizer (4) and the evaporator (5), the fluid line (12) comprising means (13) to hold back water in the economizer(4).Furthermore, a method for starting operation of a such a power plant (1) with a water-steam-cycle is provided.