Ecological restoration system for land comprehensive improvement

The utility model discloses an ecological restoration system for comprehensive land improvement. The ecological restoration system comprises a transport rack and a pretreatment rack, the outer wall of the top end of the conveying rack is fixedly connected with a conical feeding opening. A feeding conveying belt is arranged on the inner wall of one side of the conveying rack. Uniformly distributed electric heating wires are fixedly connected to the inner wall of one side of the conveying rack; the inner wall of the top end of the conveying rack is fixedly connected with evenly-distributed fans. The inner wall of one side of the conveying rack is rotationally connected with a limiting rotating roller. Polluted soil is guided into the conveying rack from the conical feeding port and conveyed through the feeding conveying belt, the interior of the conveying rack is heated and dried through the electric heating wire in the conveying process, hot air is blown to the soil through the fan, the soil is air-dried, subs