METHOD FOR MANUFACTURING DRUM FOR HEAT RECOVERY STEAM GENERATOR USING FREQUENCY-HEAT-TREATMENT

PURPOSE: A method for manufacturing a drum for a heat recovery device using a frequency heat treatment device is provided to reduce the manufacturing time of a drum. CONSTITUTION: A method for manufacturing a drum for a heat recovery device using a frequency heat treatment device is as follows: A st...

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Bibliographische Detailangaben
Hauptverfasser:	HWANG, IN SEON, RYU, JUNG HYUNG, KANG, BYUNG KI, KANG, HYUN KI
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PURPOSE: A method for manufacturing a drum for a heat recovery device using a frequency heat treatment device is provided to reduce the manufacturing time of a drum. CONSTITUTION: A method for manufacturing a drum for a heat recovery device using a frequency heat treatment device is as follows: A steel plate(6) is penetrated through a frequency heat treatment device by a first transfer unit(1), and rapidly heated by the frequency heat treatment device. The heated steel plate is transferred to a banding machine(3). The steel plate is inserted into a main roller(31) and multiple auxiliary rollers(32), and rolled. The steel plate surrounds the main roller by a guide member. An auxiliary frequency heat treatment device(2) is installed between the auxiliary rollers, and continuously maintains the temperature of the heated steel plate.