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    • 8. 发明公开
    • METHOD OF DECONTAMINATING RADIOISOTOPE-CONTAMINATED SURFACE VICINITY REGION BY USE OF NONTHERMAL LASER PEELING WITHOUT RE-MELTING, WITHOUT RE-DIFFUSION AND WITHOUT RE-CONTAMINATION, AND APPARATUS THEREFOR
    • 过程去污了一台带RADIO附近的同位素污染的表面按用途NICHTTHERMALEM激光磨砂,而不作进一步合并,RE扩散,并再次污染及其设备
    • EP2023352A1
    • 2009-02-11
    • EP07766992.7
    • 2007-05-29
    • Japan Atomic Energy AgencyThe Japan Atomic Power Company
    • MINEHARA, Eisuke
    • G21F9/28B23K26/00H01S3/30
    • G21F9/28B23K26/0624B23K26/142Y10S588/90
    • The current methods of removing the surface-deposited layer contaminated by radioisotopes has the disadvantage of rigorous applicability conditions in such terms as the substance to be treated, the area and the shape, so the scope of their applicability is quite limited; in addition, 100% decontamination is not guaranteed and in spite of more than 50% that can be decontaminated, a greater part of the deposited radioisotopes remain unremoved, limiting the decontamination performance of the methods.
      Parts, structural components, etc. that have their surfaces contaminated by radioisotopes in the accelerators, nuclear reactors, RI product manufacturing factories, nuclear fuel factories, nuclear fuel reprocessing factories, etc. are decontaminated by non-thermal laser peeling without suffering re-melting, re-diffusing and re-contaminating such that upon non-thermal laser irradiation, areas near the irradiated surface are evaporated and removed faster than the heat generated in the irradiated surface is transmitted to nearby areas.
    • 除去由放射性同位素污染的表面沉积层的现有方法具有在搜索词严格适用性条件的缺点为要处理的物质,面积和形状,所以它们的适用性的范围是相当有限的; 此外,100%的去污不能保证,尽管50%以上也可以进行净化,所沉积的放射性同位素的较大部分仍然未去除,限制所述方法的去污性能。 件,结构部件等thathave它们的表面通过在加速器放射性同位素,核反应堆,RI产品制造工厂,核燃料工厂,核燃料再处理工厂等污染由非热激光剥离进行消毒而不会遭受再熔融 ,重新扩散和重新污染搜索在非热激光照射那样,被照射表面的区域附近被蒸发并除去比在照射表面产生的热量更快地为反式mitted附近区域。