Novel single-effect external circulation vacuum concentrator

The utility model relates to the technical field of pharmaceutical equipment, in particular to a novel single-effect external circulation vacuum concentrator which comprises a concentration structure, the concentration structure comprises a concentration box, an annular groove is formed in the top of the concentration box, a connecting hole is formed below the annular groove, a stirring structure is arranged in the annular groove, the stirring structure comprises a top cover, and an annular plate is arranged below the top cover. A motor II is arranged on the upper surface of the top cover, a connecting shaft is arranged below the motor II, a rotating rod is arranged below the connecting shaft, and heating rods are arranged at the two ends of the rotating rod. Meanwhile, the inclined leakage plate is arranged at the bottom of the concentration box, so that residue of medicine residues can be avoided. 本实用新型涉及制药设备技术领域，具体涉及新型单效外循环真空浓缩器，包括浓缩结构，浓缩结构包括浓缩箱，在浓缩箱的顶部设有环形槽，环形槽的下方设有连接孔，在环形槽内设有搅拌结构，搅拌结构包括顶盖，顶盖的下方设有环形板，在顶盖的