核电厂重要厂用水系统自动排气设计  

Automatic exhaust design of essential service water system in nuclear power plant

作　　者：邢晓峰[1] 张正楼[1] 刘林保 XIN Xiaofeng;ZHANG Zhenglou;LIU Linbao(Shanghai Nuclear Research&Design Institute Co.,Ltd.,Shanghai 200233,China;Liao Ning Hong Yan He Nuclear Power Co.,Ltd.,Dalian 116319,China)

机构地区：[1]上海核工程研究设计院股份有限公司,上海200233 [2]辽宁红沿河核电有限公司,大连116319

出　　处：《给水排水》2024年第S1期573-577,共5页Water & Wastewater Engineering

摘　　要：针对核电厂核安全3级重要厂用水系统积气问题,本研究对主要排气方式进行对比分析。研究结果表明,电磁阀排气、真空泵抽气排气、止回阀排气能够实现泵启动过程自动排气,真空泵抽气排气能够同时解决备用列虹吸状态的积气问题。针对典型工程,提出采用真空泵抽气的设计方案。研究成果对类似工程具有参考价值。Aiming at the problem of air accumulation in essential service water system of nuclear power plant,this study compares and analyzes the main exhaust modes.The results show that solenoid valve exhaust,vacuum pump exhaust and check valve exhaust can realize automatic exhaust during pump start-up,and vacuum pump exhaust can solve the problem of air accumulation in the siphon state of the standby train at the same time.For typical projects,the design scheme of vacuum pump is proposed.The research has reference value for similar projects.

关 键 词：核电厂 重要厂用水 虹吸 自动排气 

分 类 号：TU992[建筑科学—市政工程]