Boiler work scaffold, boiler water wall replacement device and replacement method thereof

摘要

Provided are a boiler work scaffold, a boiler water wall replacement device, and a replacement method thereof, which can easily replace a boiler water wall even after a work scaffold for inspection is mounted in a boiler furnace. The working scaffold 10 in the boiler of the present invention includes upper and lower scaffolds 12 and 14 suspended along a boiler water wall 228 in a boiler furnace, A connecting portion 16 detachably attaching a lower scaffold 14 to the upper scaffold 12; It extends between the upper and lower scaffolds 12, 14 in a direction intersecting the boiler water wall 228, and the lower scaffold 14 removed from the upper scaffold 12 can be lifted and moved away from the boiler water wall 228. A lifting portion 18; It is characterized by having. [Selection] Figure 1