Three-layer shell steam turbine steam inlet structure and steam turbine

The invention provides a three-layer shell steam turbine steam inlet structure and a steam turbine. The steam inlet structure comprises a steam inlet valve, a three-layer shell and an insertion pipe. The steam inlet valve comprises a valve housing and a valve diffuser. The three-layer shell comprise...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHU BIN, KANG MING, HAO ZHENZHEN, SUN WEIJIE, YU JINGJING, WANG HAITAO, YE XINGZHU, WANG FUGUANG, HUANG QINGHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The invention provides a three-layer shell steam turbine steam inlet structure and a steam turbine. The steam inlet structure comprises a steam inlet valve, a three-layer shell and an insertion pipe. The steam inlet valve comprises a valve housing and a valve diffuser. The three-layer shell comprises an outer shell, an inner shell and an inner shell. And the shell is hermetically connected with the valve shell flange. The cannula includes an inner ring portion, an outer ring portion, and a through hole. The first end of the outer ring part is tightly connected with the valve shell through a sealing ring, and the second end is tightly connected with an outer-inner shell flange. The first end of the inner ring part is tightly connected with the valve diffuser through a sealing ring, and the second end is tightly connected with the inner shell through a sealing ring. A first interlayer cavity is defined by the insertion pipe, the valve shell and the valve diffuser, and a second interlayer cavity is defined by th