Steam extraction system of steam turbine

The utility model relates to a steam extraction system of a steam turbine, which comprises an air preheater and a heat exchange element, and the air inlet end of the heat exchange element is communicated with the air outlet end of the air preheater through a pipeline; the steam inlet end of the stea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUO PEIQIANG, WU AFENG, FAN XIAORU
Format:	Patent
Sprache:	chi ; 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 WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to a steam extraction system of a steam turbine, which comprises an air preheater and a heat exchange element, and the air inlet end of the heat exchange element is communicated with the air outlet end of the air preheater through a pipeline; the steam inlet end of the steam turbine is communicated with the steam outlet end of the heat exchange element through a pipeline;the first steam conveying pipeline is used for communicating the steam inlet end of the air preheater with the first steam outlet end of the steam turbine; and the second steam conveying pipeline isused for communicating the steam inlet end of the air preheater with the second steam outlet end of the steam turbine. According to the steam extraction system of the steam turbine, the first high-pressure steam and the second high-pressure steam of the steam turbine can be conveyed into the air preheater. Wherein both the first high-pressure steam and the second high-pressure steam do work on thesteam turbine, and the hea