Acetone recovery system in amphotericin B

The utility model discloses a recovery system for acetone in amphotericin B. The recovery system comprises a pre-distillation tank, a recovery tower, a condensing device and an acetone collecting tank which are connected in sequence, the recovery tower comprises a bottom receiving tank and a tower body arranged on the receiving tank, and the tower body consists of an upper tower body and a middle tower body; an exhaust port is formed in the top of the upper tower body, and a reflux inlet is formed in one side of the middle tower body; the condensing device is provided with a gas inlet and a liquid phase outlet, the gas inlet is connected with the exhaust port, the liquid phase outlet is provided with a three-way interface, and the three-way interface is respectively connected with the reflux inlet and the acetone collecting tank; and the bottom receiving tank is provided with an air inlet which is directly connected with the air outlet of the pre-distillation tank. The acetone recovery system can save energy,