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Proceedings Paper

Decommissioning of nuclear reactor fuel channels using laser technology
Author(s): Vladislav Ya. Panchenko; Alexandre M. Zabelin; Yu. I. Slepokon; V. M. Ryahin; P. P. Kuznetsov; V. F. Panasyuk; A. V. Korotchenko; V. S. Kislov; S. V. Loktev
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Paper Abstract

Decommissioning of nuclear reactors using laser remote dismounting and welding was experimentally proved at a nuclear reactor of Kursk Nuclear Power Plant. The main reason of laser beam application in this case is the marked decrease of radioactive exposure of the service personnel. The use of a high-power laser beam provided for laser cutting and welding processes realization at a distance up to 35 m between the laser and the workstation placed behind a radiation shield. By application of laser cutting gas and dust contamination is ten-fold decreased. Some results of decommissioning application of a stationary laser workstation based upon a 5 kW fast-transverse-flow discharge CW CO2 laser TL-5M installed at a nuclear reactor site are presented. A special high-beam- quality model of the laser was developed to satisfy the needs of decommissioning. Laser cutting process was applied to decommissioning of fuel channels (FC) of RBMK-1000 reactor, after their extractor from the reactor active zone during the procedure of channels replacement.

Paper Details

Date Published: 27 July 2000
PDF: 7 pages
Proc. SPIE 4165, Progress in Research and Development of High-Power Industrial CO2 Lasers, (27 July 2000); doi: 10.1117/12.394132
Show Author Affiliations
Vladislav Ya. Panchenko, Institute on Laser and Information Technologies (Russia)
Alexandre M. Zabelin, Institute on Laser and Information Technologies and Technolaser Ltd. (Russia)
Yu. I. Slepokon, Kursk Nuclear Power Plant (Russia)
V. M. Ryahin, Kursk Nuclear Power Plant (Russia)
P. P. Kuznetsov, Renovation Ltd. (Russia)
V. F. Panasyuk, Renovation Ltd. (Russia)
A. V. Korotchenko, Institute on Laser and Information Technologies and Technolaser Ltd. (Russia)
V. S. Kislov, Institute on Laser and Information Technologies and Technolaser Ltd. (Russia)
S. V. Loktev, Institute on Laser and Information Technologies and Technolaser Ltd. (Russia)


Published in SPIE Proceedings Vol. 4165:
Progress in Research and Development of High-Power Industrial CO2 Lasers
Vladislav Ya. Panchenko; Vladimir S. Golubev, Editor(s)

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