Anti-precipitation storage tank

The invention relates to an anti-precipitation storage tank which comprises a tank body, a stirring mechanism is arranged in the tank body, and a lifting mechanism and a pneumatic mixing mechanism are arranged on the stirring mechanism; the stirring mechanism comprises a polygonal vertical rod driven by a motor, the bottom end of the vertical rod is provided with a communication channel, the bottom end of the vertical rod is sleeved with a sleeve with the sealed bottom end, multiple stirring pipes are arranged on the inner wall and the outer wall of the sleeve in the radial direction, and multiple sets of one-way holes are evenly formed in the side walls of the stirring pipes; the lifting mechanism comprises a mounting plate arranged at the top end of the sleeve, the vertical rod above the sleeve is sleeved with an annular plate, a circle of sliding groove with the T-shaped section is formed in the edge of the bottom of the annular plate in a surrounding mode, and a T-shaped sliding rod located in the sliding