Contaminated soil leaching remediation device

The utility model provides a contaminated soil leaching remediation device. The contaminated soil leaching remediation device comprises a feeding unit, a leaching unit and a mud treatment unit, the leaching unit comprises a cleaning chamber, a rotary filter screen roller, a spraying mechanism and a collecting tank, the rotary filter screen roller, the spraying mechanism and the collecting tank areall arranged in the cleaning chamber, a feeding port is formed in the upper surface of the cleaning chamber, a discharging port is formed in the left side of the cleaning chamber, the left opening end of the rotary filter screen roller is connected with the discharging port, and the collecting tank is arranged below the rotary filter screen roller; the feeding unit is fixedly arranged on a feeding port of the cleaning chamber, and materials of the feeding unit can enter the rotary filter screen roller. The bottom of the collecting tank is connected with a slurry treatment unit; the slurry treatment unit is used for d