Device and method for preheating combustibles in combined gas and steam turbine installations

The invention relates to a device for preheating combustibles in combined gas and steam turbine installations. Said device comprises at least one steam generator (5, 6, 7) for heating, evaporating and superheating feed water, which has a feed water preheater (15, 16, 43, 51), an evaporator (8, 9, 10...

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Bibliographische Detailangaben
Hauptverfasser:	SCHOETTLER MICHAEL, SCHMID ERICH
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a device for preheating combustibles in combined gas and steam turbine installations. Said device comprises at least one steam generator (5, 6, 7) for heating, evaporating and superheating feed water, which has a feed water preheater (15, 16, 43, 51), an evaporator (8, 9, 10) and a superheater (11, 12, 13), at least part of the heated feed water being used for preheating combustibles in a combustible preheater, which can be supplied with feed water of a predetermined temperature by a feed water supply line (35, 36, 37, 56, 58, 60, 73) Once the combustible has been heated, the cooled feed water can be drained using a feed water drain line (57, 59, 61, 74). The aim of the invention is to configure a device of this type so that it can be used in different gas turbine installations and its heating capacity can be rapidly and cost-effectively adapted to predetermined combustible preheating requirements. To achieve this, the combustible is preheated in stages (48, 49, 50), which can be activated individually as required and through which the combustible can successively pass.