核电站应急柴油发电机组润滑油系统设计
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摘要
应急柴油发电机组是保障核电站安全运行的重要安保电源设施。润滑油系统是核电站应急柴油发电机组重要辅助系统之一,在机组备用状态下即投入运行,并在机组起动后持续运行,必须具有很好的安全性能和可靠性。通过分析润滑油系统的设计功能与性能要求,将润滑油系统总体划分为三个子系统,并对系统设备的安全等级进行划分,完成了系统的设计方案。结合现役核电站的经验反馈,在润滑油系统设计方案中增加了预润滑油泵双泵冗余设计和PCOT监测技术,保障了核电站应急柴油发电机组的安全稳定运行。
Emergency diesel generator set is an important security power supply to ensure the safe operation of nuclear power station. As one of the important auxiliary system for emergency diesel generator set in nuclear power station, the lubricating oil system which must be durable and reliable is put into operation in the standby state, and it will continue to run after the unit is started. By analyzing the design function and performance requirements of the lubricating oil system and the division of safety grade, the main design requirements are defined. According to the function and performance requirements, the lubricating oil system is divided into three subsystems, and the design scheme is completed. Combined with the experience and feedback from nuclear power plants in active service, the redundant design of pre-lubricating oil pump and PCOT monitoring technology are added to the design scheme, which ensure the safe and stable operation of emergency diesel generator set in nuclear power station.
Emergency diesel generator set is an important security power supply to ensure the safe operation of nuclear power station. As one of the important auxiliary system for emergency diesel generator set in nuclear power station, the lubricating oil system which must be durable and reliable is put into operation in the standby state, and it will continue to run after the unit is started. By analyzing the design function and performance requirements of the lubricating oil system and the division of safety grade, the main design requirements are defined. According to the function and performance requirements, the lubricating oil system is divided into three subsystems, and the design scheme is completed. Combined with the experience and feedback from nuclear power plants in active service, the redundant design of pre-lubricating oil pump and PCOT monitoring technology are added to the design scheme, which ensure the safe and stable operation of emergency diesel generator set in nuclear power station.
引文
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[3]张志伟,宋兵,马雁军,等.应急柴油发电机组总体设计与成套应用[J].移动电源与车辆,2016(2):16-19.
[4]陆秀生,钟质飞,杨勇.CPR1000核电厂应急柴油发电机组试验方法研究[J].核动力工程,2011,32(1):25-28.
[5]陈仁锠,姚伟达.核电厂应急柴油发电机组抗震分析和试验研究[J].中国核科技报告,1994(S1):74.
[6]吕良,周莉娜,张国兴,等.核应急柴油发电机组的设计[J].内燃机,2011(4):12-15.
[7]赵天翔,曹新玉.柴油机润滑油系统常见故障分析[J].科技创新导报,2012(26):111-111.
[8]钱文.柴油机润滑系统管理及故障探讨[J].企业技术开发,2008,27(1):36-38.
[9]广东核电培训中心.900 MW压水堆核电站系统与设备[M].原子能出版社,2005.
[10]郭朝辉,吴帆.核电电气设备安全分级简介[J].电力安全技术,2008,10(6):72-73.
[11]沈伟.浅述核安全机械设备安全分级[J].核安全,2010(1):42-45.
[12]郭满华,赵月扬,黄文有.核电站核级设备鉴定过程[J].电力设备,2008,9(7):127-128.
[13]杨贵恒,等.柴油发电机组实用技术技能[M].化学工业出版社,2013.
[14]朱继洲.核反应堆安全分析[M].西安:西安交通大学出版社,2004.
[15]GB-T 13626-2008单一故障准则应用于核电厂安全系统[S].北京:中国标准出版社,2008.