摘要
对合成氨一段炉安装旧上升管焊接过程中出现的问题进行了详细介绍,并提出了解决办法及注意事项。
With ammonia period of furnace installating, old offtake pipe welding process analy- sis, corrosponding measuremets and suggestions were introducd in detail.
出处
《石油化工设备》
CAS
2012年第1期91-94,共4页
Petro-Chemical Equipment
关键词
合成氨
炉管
离心铸造
焊接
ammonia
furnace pipe
centrifugal casting
welding
