Contaminated soil column leaching experimental device

The utility model discloses a contaminated soil column leaching experimental device. The contaminated soil column leaching experimental device comprises a soil column pipe, a filter disc and an innercore, wherein the soil column pipe is of a top-free columnar tubular structure, and a liquid receiving discharge spout is arranged at the bottom of the soil column pipe; the device is characterized inthat a sand core is arranged at the bottom in the soil column pipe, a filter disc is arranged in the soil column pipe above the sand core, and an inner core is arranged in the soil column pipe abovethe filter disc; the filter disc comprises a shaft column and a tray; a shaft column is vertically arranged in the center of the tray, a shaft hole is formed in the top end of the shaft column in theradial direction, filtering holes are evenly formed in the tray, and a clamping head is arranged on the tray. The inner core comprises a partition plate and a pipe column; the shaft column is sleevedwith the pipe column, and the