基于表面改性技术的PCS强化换热效果分析  

Analysis on Heat Exchanging Power of PCS Based on Surface Modification Technology

作　　者：于明锐 常猛[2] 逯馨华[2] 韩旭 孟利利[2] 

机构地区：[1]中国核电工程有限公司,北京100840 [2]环境保护部核与辐射安全中心,北京100082

出　　处：《核安全》2017年第2期91-94,共4页Nuclear Safety

基　　金：大型先进压水堆核电站国家科技重大专项;项目编号:2017ZX06004001

摘　　要：非能动安全壳冷却系统(PCS)是第三代核电厂的核心安全系统之一,其排热功率可采取技术手段予以提升,可通过钢制换热界面表面改性技术提升其排热功率。本文首先通过对表面改性工艺进行分析,总结了各个工艺的特点,指出其工业化应用的限制因素,最后对PCS强化换热效果进行了计算,结果表明该技术可以加速安全壳降温降压过程,提升核电厂应对事故的能力。PCS is one of the core security systems of the third generation of nuclear pow er plant,its heat exchange pow er should be improved as high as possible,the heat exchange pow er of PCS can be improved by surface modification of the steel interface. The characteristics of each technology are summarized by analyzing the surface modification techniques,and the limiting factors of industrial application are indicated. Finally,the enhancement effect of PCS is calculated,the results show that it w ill accelerate the cooling of the containment vessel,and improve the nuclear pow er plants＇ ability to deal w ith accidents.

关 键 词：珠状凝结 表面改性 PCS 传热 

分 类 号：TL364.3[核科学技术—核技术及应用]