Settling tank for preparing alkyl lithium

The settling tank comprises a settling tank body, a supporting seat plate is horizontally arranged in the upper end of the settling tank body, a stirring motor is arranged at the top of the supporting seat plate, and a telescopic stirring mechanism is arranged on the lower surface of the supporting seat plate. The telescopic stirring mechanism comprises a mounting shaft which is mounted at the lower end of the supporting seat plate and rotationally penetrates through the supporting seat plate, telescopic stirring components are symmetrically arranged on the two sides of the mounting shaft, the lower end of the mounting shaft is sleeved with a sleeve, a limiting bolt is arranged between the sleeve and the mounting shaft, and U-shaped fixing clamping plates are oppositely arranged on the two sides of the sleeve. The telescopic stirring mechanism, the settling tank body and the stirring motor are combined, so that the length of the telescopic stirring component can be adjusted according to the overall depth of t