Glycerin triacetate multi-stage recovery device

The utility model discloses a glycerol triacetate multistage recovery device which comprises a drying tower, a condensing tower, an adsorption tower and a distillation tower which are used for graded recovery, and further comprises a cooling water circulation component which is connected with the outer wall of the condensing tower and is used for cooling cooling water, and the drying tower is respectively communicated with the condensing tower and the distillation tower. The adsorption tower is communicated with the condensing tower, the cooling water circulating component comprises a cold water pipe and a hot water pipe which are communicated with a cooling component in the condensing tower, the cold water pipe is arranged above the hot water pipe, and a cooling tank is connected between the end part of the cold water pipe and the end part of the hot water pipe. According to the device, cold water does not need to be continuously introduced, water resources are saved, the cooling cost of volatile organic gas