Tea pesticide residue pretreatment extraction column

The utility model discloses a tea pesticide residue pretreatment extraction column which comprises a column body, a control box body is arranged on the upper surface of the column body, the control box body is fixedly connected with the upper surface of the column body, an inner shaft is arranged in the column body, and an outer shaft is sleeved on the outer side of the inner shaft; connecting frames are symmetrically arranged on the two sides of the outer shaft, the upper ends of the two connecting frames are fixedly connected with the outer shaft, the ends, away from the outer shaft, of the connecting frames are slidably connected with the column body, a plurality of stirring rollers are evenly arranged on the two connecting frames, and a plurality of fan blade connecting bases are evenly arranged on the inner shaft. The inner shaft drives the driving gear to rotate, the driving gear drives the driven gear through the side gear, and the driven gear drives the outer shaft to rotate, so that the stirring roll