Protective device for steam exhaust pipeline of boiler

The utility model discloses a protective device of a boiler steam exhaust pipeline, which comprises a corrugated plate and the boiler steam exhaust pipeline, a certain interval is reserved between the corrugated plate and the boiler steam exhaust pipeline, a first protective cover is arranged on the outer side of the boiler steam exhaust pipeline, and the fixed end of the first protective cover is positioned above the interval. A second protective cover is arranged on the outer side of the corrugated plate and located on the inner side of the first protective cover, the free end of the second protective cover can extend towards the lower edge of the interval, and the free end of the second protective cover does not make contact with the boiler steam exhaust pipeline. After the technical scheme is adopted, the protection device for the boiler steam exhaust pipeline can effectively guarantee that when it is rainy or leakage occurs in a valve of the steam exhaust pipeline, it can be avoided that rainwater or ste