300×10~4t/a渣油加氢装置Ⅰ系列第四加氢反应器人孔法兰裂纹修复工艺分析

Repair Process Analysis of Crack in Manhole Flange of I Series Fourth Hydrogenation Reactor of 300*10~4t/a Residue Hydrogenation Unit

根据加氢反应器裂纹较大的实际情况拟定修复工艺,并成功返修,为国内加氢反应器裂纹的修复施工积累了宝贵经验。

According to the actual situation of large cracks in the hydrogenation reactor,the repair process was worked out and successfully repaired,which accumulated valuable experience for the repair construction of cracks in the domestic hydrogenation reactor.