模块式小堆核岛火灾自动报警系统设计及优化

Nuclear Island Fire Automatic Alarm System in Small Modular Reactor

为有效降低核岛火灾风险,提高火灾探测的及时性、有效性及消防联动的可靠性,并满足纵深防御的设计理念,以“玲龙一号”为例,简要介绍了模块式小堆示范工程核岛火灾自动报警系统的功能要求、系统分级、设计方法及系统接口等。该系统结合小堆一体化设计和建造等特点,采用了许多新技术和新设备,并做了优化改进。该方案能够更好地提高核岛火灾自动系统报警的可靠性和准确度,减少误操作,并具有易施工、易维护等优点。

In order to effectively reduce the risk of nuclear island fire,improve the timeliness and effectiveness of fire detection,as well as the reliability of fire linkage,and meet the design concept of deep defense,taking"Ling long No.1"as an example,this paper briefly introduces the functional requirements,system classification,design methods,and system interfaces of the small modular reactor demonstration project nuclear island fire automatic alarm system.This system combines the characteristics of integrated design and construction of small reactors,adopts many new technologies and equipment,and is optimized and improved.