HEAT EXCHANGER TUBE PLATE CUTTING METHOD

PROBLEM TO BE SOLVED: To easily and surely cut a tube plate by thermal cutting.SOLUTION: A heat exchanger tube plate cutting method for thermally cutting a tube plate 4 in relation to a heat exchanger having heat transfer tubes into the end portions of which tube holes 4a penetrating the tube plate...

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Bibliographische Detailangaben
Hauptverfasser:	NAKANO SHUNEI, YAMAMOTO TAKESHI, HAMAMOTO CHIGEN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PERFORMING OPERATIONS PHYSICS SOLDERING OR UNSOLDERING TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To easily and surely cut a tube plate by thermal cutting.SOLUTION: A heat exchanger tube plate cutting method for thermally cutting a tube plate 4 in relation to a heat exchanger having heat transfer tubes into the end portions of which tube holes 4a penetrating the tube plate 4 are fixedly inserted, comprises: a step of embedding, with an embedding material 15, the tube holes 4a present on at least a predetermined cutting locus for the tube plate 4 having the heat transfer tubes either cut or removed; and a step of injecting gas G from one surface 4A of surfaces penetrated by the tube holes 4a, and thermally cutting the tube plate 4 along the cutting locus.