Leakage-proof device for kiln head and kiln tail of rotary kiln

The utility model discloses a leakage-proof device for a kiln head and a kiln tail of a rotary kiln. The leakage-proof device comprises a connecting plate, a sealing guide assembly, an abutting assembly, a rotating assembly and an extending plate. The two ends of the connecting plate are connected with the outer wall of the sealing guide assembly and the side wall of the kiln head cover or the kiln tail cover correspondingly. The sealing guide assembly comprises a guide ring, the guide ring is inserted into the annular groove of the rotating assembly, and the side wall of the sealing guide assembly is tightly attached to the inner side of the rotating assembly. The abutting assembly is fixedly connected with the sealing guide assembly and abuts against the outer side of the rotating assembly. The rotating assembly is fixedly connected with the rotary kiln barrel through the extending plate. The sealing performance between the rotating assembly and other assemblies during rotation is guaranteed, the problems t