Analysis on Tube-sheet Surfacing Welding Process and Anti-deformation Measures for Hydrotreating Reactor
The tube-sheet of the hydrogenation reactor is Cr-Mo steel surfacing welding E309+2209 dual-phase steel structure.Due to the large diameter and the thin thickness,the tube-sheet is easy to be deformed,and the problems such as the excessive content of the stack ferrite should be avoided,the surfacing welding is difficult,and the process is complicated.In this paper,a reasonable process and anti-deformation measures of tube-sheet surfacing welding are put forward,which effectively solve the problem of tube-sheet deformation.Different measuring methods are used to analyze the ferritic content of tube-sheet layer,and all meet the requirements of design and standard.
NETL
NSTL
万方数据
