Remote Fiber Laser Cutting System for Dismantling Glass Melter - 13071

Conference · Mon Jul 01 00:00:00 EDT 2013

OSTI ID:22224862

Mitsui, Takashi; Miura, Noriaki ^[1]; Oowaki, Katsura; Kawaguchi, Isao ^[2]; Miura, Yasuhiko; Ino, Tooru ^[3]

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1. IHI Corporation, 1 Shin-Nakahara-cho, Isogo-ku, Yokohama, Kanagawa (Japan)
2. IHI Inspection and Instrumentation Co., Ltd, 1 Shin-Nakahara-cho, Isogo-ku, Yokohama, Kanagawa (Japan)
3. Japan Nuclear Fuel Limited, 4-108, Aza Okitsuke, Oaza Obuchi, Rokkasho-Mura, Kamikita-gun, Aomori (Japan)

Since 2008, the equipment for dismantling the used glass melter has been developed in High-level Liquid Waste (HLW) Vitrification Facility in the Japanese Rokkasho Reprocessing Plant (RRP). Due to the high radioactivity of the glass melter, the equipment requires a fully-remote operation in the vitrification cell. The remote fiber laser cutting system was adopted as one of the major pieces of equipment. An output power of fiber laser is typically higher than other types of laser and so can provide high-cutting performance. The fiber laser can cut thick stainless steel and Inconel, which are parts of the glass melter such as casings, electrodes and nozzles. As a result, it can make the whole of the dismantling work efficiently done for a shorter period. Various conditions of the cutting test have been evaluated in the process of developing the remote fiber cutting system. In addition, the expected remote operations of the power manipulator with the laser torch have been fully verified and optimized using 3D simulations. (authors)

• Research Organization: WM Symposia, 1628 E. Southern Avenue, Suite 9-332, Tempe, AZ 85282 (United States)
• OSTI ID: 22224862
• Report Number(s): INIS-US-13-WM-13071; TRN: US14V0298045817
• Resource Relation: Conference: WM2013: Waste Management Conference: International collaboration and continuous improvement, Phoenix, AZ (United States), 24-28 Feb 2013; Other Information: Country of input: France; 1 ref.
• Country of Publication: United States
• Language: English

Related Subjects

12 MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
42 ENGINEERING
CERAMIC MELTERS
CUTTING
ELECTRODES
FIBERS
HIGH-LEVEL RADIOACTIVE WASTES
LASERS
MANIPULATORS
NOZZLES
RADIOACTIVITY
ROKKASHO REPROCESSING PLANT
SIMULATION
STAINLESS STEELS
THREE-DIMENSIONAL CALCULATIONS
VITRIFICATION