核电站常规岛主蒸汽管道焊接施工管理  

Construction Management of Conventional Island Main Steam Pipeline Welding in Nuclear Power Plant

作　　者：李学华 LI Xuehua(Shanghai Nuclear Engineering Research Design Institute Co.,Ltd.,Shanghai,200000 China)

机构地区：[1]上海核工程研究院有限公司,上海200000

出　　处：《科技创新导报》2020年第29期128-130,共3页Science and Technology Innovation Herald

摘　　要：AP1000核电站主蒸汽管线是连接蒸汽发生器与汽轮机的主干线,分为3个部分:核岛内的主蒸汽管道、超级管道、常规岛内的主蒸汽管道。核岛主蒸汽隔离阀之后的超级管道为核三级管道;质保级别为QA1;超级管道末端为一段约3800mm长的直管段,材质为ASME A335-P11、规格为965×44.2mm,与常规岛主蒸汽管道的大小头进行焊接连接。常规岛主蒸汽管道不执行核安全功能,属于非核级管道;质保等级为常规岛质保等级的最高级QR1级,执行GB/T 19001-2008标准。AP1000 main steam pipeline of nuclear power plant is the main line connecting steam generator and steam turbine,which is divided into three parts:main steam pipeline in nuclear island,super pipeline and main steam pipeline in conventional island.The super pipe after the main steam isolation valve of nuclear island is the nuclear three-stage pipeline;the quality assurance grade is QA1;the end of the super pipe is a section of about 3800 mm long straight pipe section,the material is ASME A335-P11,specif ication is 965×44.2 mm,welding connection with the size head of the conventional island main steam pipe.Conventional island main steam pipeline does not perform nuclear safety function,belongs to non-nuclear class pipeline;The insurance grade is the highest level of the regular island quality assurance grade QR1,the implementation GB/T 19001-2008 standard.

关 键 词：主蒸汽管道 焊接 热处理 无损检测 

分 类 号：G252[文化科学—图书馆学]