摘要
裂解炉辐射炉管应用原位涂层新技术对炉管内表面进行处理,用于高温合金防结焦氧化膜的制备。安装现场对到货炉管焊缝进行射线检测抽查时,发现经过原位涂层后,直段炉管有几道焊缝有裂纹。认为经过原位涂层处理的炉管焊缝裂纹与原位涂层处理时的热过程有关。经原位涂层处理的炉管,经过后续精心施工可以用于工程,并不会影响使用寿命。
The radiation tube of cracking furnace was treated by in-situ coating technology,which was used to prepare anti-coking oxide film of superalloys.It was found that there were cracks in several welds of the straight section of the furnace tube(φ62×7 mm)after in-situ coating on the installation site.It was considered that thermal process of the in-situ coating treatment of the furnace tube weld crack gas was related.The tube treated by in-situ coating can be manually engineered after subsequent careful construction without affecting the service life.
作者
薛建中
Xue Jianzhong(Petrochemical engineering quality supervision station,Beijing 100728,China)
出处
《化工设备与管道》
CAS
北大核心
2022年第3期48-52,共5页
Process Equipment & Piping
关键词
裂解炉
辐射炉管
原位涂层
焊缝裂纹
cracking furnace
radiation furnace tube
in-situ coating
weld crack
