SUPERHEATER TUBE WASHING METHOD

PROBLEM TO BE SOLVED: To provide a superheater tube washing method capable of evenly, positively, and inexpensively washing a suspension type superheater tube piercing a ceiling wall and suspended into a boiler exhaust gas passage. SOLUTION: It is characterized by that it has a cutting process of cu...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO MICHIYOSHI, FUTAGAWA MASAHIRO
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:	PROBLEM TO BE SOLVED: To provide a superheater tube washing method capable of evenly, positively, and inexpensively washing a suspension type superheater tube piercing a ceiling wall and suspended into a boiler exhaust gas passage. SOLUTION: It is characterized by that it has a cutting process of cutting an inlet part and an outlet part of the suspension type superheater tube by using a pipe cutter or the like at a predetermined position from the ceiling wall, a washing process of washing an interior of the disengaged suspension type superheater tube, and an attaching process of attaching the washed suspension type superheater tube to the predetermined position by welding or the like. COPYRIGHT: (C)2008,JPO&INPIT