核电站电磁驱动型稳压器喷淋阀设计综述

[目的]电磁驱动型稳压器喷淋阀是压水堆核电机组的关键阀门之一,实现该阀门的自主化研发对于核电建设具有重要意义.[方法]文章从电磁驱动型稳压器喷淋阀的系统功能需求和技术参数要求出发,简要介绍了自主研发的电磁驱动型稳压器喷淋阀的整机结构、比例电磁铁、中置热防护装置、阀位信号检测与输出装置及先导式阀芯调节系统的结构设计等.[...

Review on Design of Solenoid Pressurizer Spray Valve for Nuclear Power Plants

  Introduction  The solenoid pressurizer spray valve is one of the key valves for PWR nuclear power plant, and it is of great significance for nuclear power construction to realize the independent research and development of the valve.  Method  In this paper, Starting from the system functional requirements and technical parameter requirements of the solenoid pressurizer spray valve, the overall structure, proportional solenoid, middle thermal protection device, valve position detect and output device, control system with pilot disc of the independently-developed solenoid pressurizer spray valve were briefly introduced in this paper.  Result  Through this independent research and development, the design technology of the solenoid pressurizer spray valve is mastered, the technical difficulties of the electromagnetic drive structure and the adaptability of the valve working under high temperature and high pressure medium conditions are solved, the system functional requirement for pressurizer spray valve is realized.  Conclusion  The independently-developed solenoid pressurizer spray valve meets the development needs for third generation nuclear power plant, and can be popularized and applied.