Chemical rectifying tower

The utility model relates to the technical field of chemical engineering, in particular to a rectifying tower for chemical engineering, which comprises a heating device, a first mounting groove and a second mounting groove are formed in the heating device, a first distillation chamber is fixedly mounted on the inner wall of the first mounting groove, and a second distillation chamber is fixedly mounted on the inner wall of the second mounting groove. A feeding opening is fixedly connected to the outer surface of the first distillation chamber, a boss is fixedly connected to the outer surface of the feeding opening, external threads are arranged on the outer surface of the boss, and a sealing screw cap is fixedly mounted on the outer surface of the boss. Compared with the prior art, the distillation device has the advantages that through the cooperation of the first distillation chamber and the first inclined plate, when gas and liquid distilled out of the first distillation chamber flow into the second distil