摘要
AP1000核电波动管是由五段厚壁大口径的超低碳不锈钢无缝弯管组成,共有六道现场焊口,由于其布局及施工逻辑的特殊性,需要使用3D激光跟踪测量系统进行测量建模后确定坡口加工形式及尺寸,经组对后采用窄间隙远程控制自动焊接技术对波动管实施焊接作业,将稳压器和主管道连通构成回路。波动管安装精度高且要求一次加工、焊接成型,整个施工过程具备不可逆性,论文主要对波动管安装工艺进行分析、研究、总结,对后续同类核电建设具有深远影响。
The surge line of AP1000 consists of five pieces of seamless thick wall large bore extra-low-carbon stainless steel bend pipe and six field welding seams. Due to its special configuration and construction logic, 3D laser tracking measurement system is required to model and decide groove type and dimension. After fitting up, welding work of surge line is performed with narrow gap remote control automatic welding technology, so as to connect Pressurizer and main coolant pipe, and form the complete coolant route accessing Pressurizer fi：om main coolant pipe. Installation of the surge line has very high accuracy requirement, and must complete machining and welding within once, so the entire construction process is irreversible. This essay analyzes and concludes installation process of the surge line, and will hopefully benefit future nuclear power project of the similar kind.
出处
《机电产品开发与创新》
2015年第3期50-52,共3页
Development & Innovation of Machinery & Electrical Products
关键词
波动管
安装技术
焊接
加工
surge line
installation technology
welding
machining
