Thermal desorption rotary kiln with self-decoking function

The utility model relates to the technical field of thermal desorption rotary kilns, in particular to a thermal desorption rotary kiln with a self-decoking function, which comprises a kiln body, one end of the kiln body is a feed end, the other end of the kiln body is a discharge end, a smoke exhaust pipe and a heating device are arranged on the other side of the top end of the kiln body, the heating device comprises heating equipment and a heat delivery pipeline, and the heating equipment is connected with the heat delivery pipeline. The heating device is located on the other side of the kiln body, one end of the heat conveying pipeline is connected with the output end of the heating device, the other end of the heat conveying pipeline is transversely connected to the inner wall of the kiln body, the air pump is installed on the inner wall of the feeding end, and the interior of the kiln body is purged through the air pump. According to the soil remediation device, soil is crushed into fine blocks, and the s