摘要
沿海能动核电厂重要厂用水常采用直流开式系统,当冬季海水温度较低时,可能对设备冷却水造成过度冷却,影响核岛系统与设备安全。改造设计方案拟在原有管线上新增串联支路与并联支路,通过设置在管路上的电动调节阀组来调节进入换热器的水量与旁通水量,以保障机组在冬季低水温条件下安全稳定运行。
Once-through cooling system is usually adopted by coastal power plant in chilly area.The RRI system will be overcooled by cold seawater during winter.Under such condition,seawater bypassing is designed to reduce cooling capacity of HX.The sea flow through the HX is adjusted by setting motor operated control valves to ensure the plant stabilization during cold weather condition.
出处
《工业安全与环保》
北大核心
2013年第6期23-26,共4页
Industrial Safety and Environmental Protection
关键词
核电
重要厂用水系统
电动调节阀
nuclear power SEC system motor operated control valve
