Drug synthesis waste liquid recovery device

The invention relates to the technical field of wastewater treatment, has the characteristics of high practicability and capability of automatically reducing the stirring force between wastewater and a flocculant, and discloses a drug synthesis waste liquid recovery device which comprises a reaction bin, a gas supply device is fixedly connected to the bottom end of the reaction bin, and a filtering mechanism is arranged on the right side of the reaction bin. A mixing mechanism is arranged in the reaction bin and comprises a gas guide outer ring, the inner side of the gas guide outer ring is fixedly connected with a gas guide ring cylinder, the top end of the gas guide ring cylinder is rotatably connected with an outer lantern ring, the top end of the outer lantern ring is fixedly connected with a blocking ring, a gas ejector pipe is arranged above the blocking ring, the middle of the gas ejector pipe penetrates through a blocking disc, and the bottom end of the blocking disc is fixedly connected with a materi