百万千瓦级核电站AP1000锻造主管道的制造工艺及质量控制

Fabrication process and quality control for AP1000 forging reactor coolant loop piping of million kilowatt nuclear station

主管道是连接核岛反应堆压力容器、反应堆冷却剂泵、稳压器和蒸汽发生器的关键设备,被称作核电站的"主动脉",是压水堆核电站核岛主设备之一。介绍了AP1000锻造主管道制造的主要关键工艺,包括钢锭的冶炼、管坯的整体锻造、管道的煨弯成型、热处理及最终机加工,并描述了主管道制造过程中的质量控制。

The reactor coolant loop piping is known as aorta of nuclear station,the key equipment connecting the reactor pressure vessel,reactor coolant pump,pressurizer and steam generator,is one of main equipment of pressurized water reactor. Introduces main critical process of AP1000 forging reactor coolant loop piping,including smelting of steel ingot,solid forging of tube blank,simmer bending forming of pipeline, heat treatment and the final machining,also describes the quality control of fabrication process.