Cleaning device

The utility model provides a cleaning device, relates to the field of smelting, and aims to solve the technical problems that the cleaning of a rotary kiln formed ring needs to be stopped, the efficiency is low and the production is influenced. The cleaning device is used for cleaning the formed rings of the high-temperature rotary kiln and comprises an impact cylinder, a piston rod and a crushing head arranged at the end, away from the impact cylinder, of the piston rod, the piston rod is connected with a piston of the impact cylinder, and the crushing head is used for crushing the formed rings in the rotary kiln through reciprocating impact motion of the piston rod; the piston rod is at least partially provided with a cooling pipeline which is used for lowering the temperature of the crushing head by conveying cooling liquid to the crushing head. The cleaning device disclosed by the utility model can effectively clean the ring forming layer on line, and can be used for a long time in a rotary kiln in a high