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某核电凝汽器热井内过滤模块改造分析 预览

Analysis about improvement process of filter module within the hot well in condenser used in nuclear power station
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摘要 针对某核电现场安装的凝汽器热井内过滤模块仅存在磁性过滤模块、无机械滤网模块的缺陷,在全面分析了该缺陷带来后果的基础上,提出了多种改进方案。在分析各改进方案适用性的基础上,结合现场实际,确定了该过滤模块的改造方案,即增加1 mm的机械滤网的复合过滤模块,并采取沿热井全长布置的方式;在热井内疏水口过滤功能增加的改造方案中,采用了增加机械过滤罩的方案,并通过分析对后续机组的方案优化提供了建议。研究结果表明,通过上述改造可以彻底解决该核电凝汽器热井内过滤模块无机械滤网模块的缺陷,保障了机组调试及正常运行过程中凝结水的水质及凝结水泵的运行安全。 Aiming at the defect without mechanical filter module in the hot well of the condenser in a nuclear power station,some improvement process were proposed base on the comprehensive analysis of the above defect. The final improvement program to add the mechanical filter and mechanical filter cover of hydrophobic filter standpipe were accomplished by applicability of each improvement program and actually condition of the site,meanwhile the optimization program for followed unit were recommended. The results indicate that the defect about lace of mechanical filter module in the hot well can be solved thoroughly,which ensure the water quality and safety operation of the condensate pump in the process of commissioning and normal operation of the unit.
作者 桑钱锋 王珂 SANG Qian-feng,WANG Ke(China Guangdong Nuclear Power Engineer Co. , Ltd. , Shenzhen 518000, China)
出处 《机电工程》 CAS 2016年第7期852-856,共5页 Mechanical & Electrical Engineering Magazine
关键词 疏水立管 机械滤网 机械过滤罩 磁性过滤模块 hydrophobic riser mechanical filter mechanical filter cover magnetic filter module
作者简介 桑钱锋(1984-)男,江苏南通人,硕士研究生,工程师,主要从事核电厂常规岛系统调试方面的研究.E-mail:sangqianfeng@cgnpc.com.cn
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