Protective device for preventing anti-abrasion protective tile of boiler from falling off

The utility model relates to a protective device for preventing an anti-abrasion protective tile of a boiler from falling off. At present, protective tiles of used superheater tubes of a front enclosure wall, a middle partition wall and a rear enclosure wall near soot blowers of tail flues of # 5 and # 6 boilers are independently fixed on tube fins for protection in a welding manner, and welding seams are easy to crack and the protective tiles fall off due to factors such as high temperature and corrosion during operation of the boilers. The protective device for preventing the anti-abrasion protective tile of the boiler from falling off comprises a stainless steel bar (1), a wall enclosure superheater pipe (2) and the protective tile (3), the two stainless steel bars are fixedly connected in series with protective tiles of a front wall (4) of a tail flue of the boiler, a middle partition wall (5) of the tail flue and a rear enclosure wall (6) of the tail flue from the first to the last on the left side throu