EXHAUST HEAT RECOVERY BOILER

An exhaust heat recovery boiler includes: a duct casing in which exhaust gas flows; a tubular extending portion extending upward from the duct casing; a heat exchanger tube located in the duct casing; a hammering rod connected to the heat exchanger tube in the duct casing and passing through an insi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	INO, Tatsuo, ZHANG, Hao, YAMAMOTO, Shuji, YUKIOKA, Atsushi, TAKENAKA, Yukihiro, NAKAMURA, Ryo, TANAKA, Toshinori, NOZOE, Takuro, FANG, Wei
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE ORHEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS HEAT EXCHANGE IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING METHODS OF STEAM GENERATION STEAM BOILERS STEAM GENERATION WEAPONS
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Beschreibung
Zusammenfassung:	An exhaust heat recovery boiler includes: a duct casing in which exhaust gas flows; a tubular extending portion extending upward from the duct casing; a heat exchanger tube located in the duct casing; a hammering rod connected to the heat exchanger tube in the duct casing and passing through an inside of the extending portion, the hammering rod including an upper part projecting to an outside of the extending portion; and an annular sleeve attached to the upper part of the hammering rod through a packing. The extending portion includes an upper flat surface which is located at an upper end of the extending portion, realizes a seal between the upper flat surface and a lower surface of the sleeve, and is annular and flat.