通过分析风机轴断裂的原因,指出轴断裂后焊接修复中应该注意的几个问题,并介绍了哈尔滨气化厂引风机轴断裂后焊接修复后的成功经验。 By analyzing the reason of blower shaft fracture, several problems that should be noticed in the welding repair after shaft fracture are pointed out, and the successful experience after welding repair of the induced draft fan shaft in Harbin gasification plant is introduced.