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      来自:临沂金鑫物资回收有限公司 发布日期:2019/3/29
      核心提示:在处理放射性污染的废金属时,去污技术的选择至关重要。影响放射性废金属去污技术选择的因素可能有:污染核素、污染水平;放射性污染废金属的种类、几何形状;国家现行标准(清洁解控水平、放射性废物分类、个人剂量限值等)
      在处理放射性污染的废金属时,去污技术的选择至关重要。影响放射性废金属去污技术选择的因素可能有:污染核素、污染水平;放射性污染废金属的种类、几何形状;国家现行标准(清洁解控水平、放射性废物分类、个人剂量限值等);废物管理费用;国家在退役废物管理方面的经济承受能力 The selection of decontamination technology is very important when dealing with radioactive waste metal. The factors that affect the selection of radioactive waste metal removal technology may be: pollution nuclide, pollution level, type and geometry of radioactive waste metal; national current standard (clean solution control level, radioactive waste classification, individual dose limit value, etc.); waste management cost; State Economic endurance ability in the management of decommissioned waste. 及不同去污技术的技术经济比较。 And the technical and economic comparison of the different decontamination technology. 在对现有去污技术进行简要的技术经济评估后,根据我国实际情况,合理地组合去污技术就有可能获得合理的退役废金属处理技术路线。 After a brief technical and economic assessment of the existing decontamination technology, it is possible to obtain a reasonable technical route for the disposal of waste metals according to the actual situation in our country. 放射性废金属处理技术 Treatment technology of radioactive waste metal 目前,我国已经开发的放射性污染废金属去污技术有: 化学法初步、深度去污技术;机械法初步、深度去污技术;熔炼法深度去污技术等。 At present, the technology for decontamination of radioactive waste metal has been developed in China: preliminary chemical method, deep decontamination technology, preliminary mechanical method, deep decontamination technology, and deep decontamination technology of smelting process. 在评价这些去污技术的优缺点时,主要着眼于下列几个方面:现有去污技术对安全和环境的安全性:去污效率 ;现有技术的成熟程度及相关运行费用;废金属资源的可再循环再利用或限制性利用的可能性;全程废物管理费用;现有技术对各类废金属的适应性和有效性; In evaluating the merits and demerits of these decontamination technologies, we mainly focus on the following aspects: the safety and environmental safety of the existing decontamination technology, the efficiency of decontamination, the maturity of the existing technology and the related operating costs; the possibility of recycling or restrictive utilization of the waste metal resources; the cost of the whole process of waste management; and the existing technology. The adaptability and effectiveness of all kinds of waste metals; 从各种待退役的设施中.可能产生的废金属类别有:不锈钢、碳钢、镍和镍基合金、铜及铜基合金、铝及铝基合金等。由于各种设施的复杂性和任务上的差别,废金属的几何形状也千差万别。 From a variety of facilities to be decommissioned, the possible categories of scrap metal include: stainless steel, carbon steel, nickel and nickel based alloys, copper and copper based alloys, aluminum and aluminum based alloys. Because of the complexity of different facilities and the difference of tasks, the geometry of scrap metal is also different.

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