Preheater for preparing chemical intermediate hexamethylenediamine

The utility model relates to the technical field of hexamethylenediamine preparation equipment, in particular to a preheater for preparing chemical intermediate hexamethylenediamine, which comprises a preheating box body and a box door arranged on the front side of the preheating box body, a placing table is arranged in the preheating box body, and a heater is fixedly arranged on the back side of the preheating box body. A plurality of steam nozzles connected with the heater are installed on the inner wall of the preheating box body, a plurality of exhaust pipes are fixedly installed at the top of the preheating box body, a stirring mechanism is arranged on the preheating box body and comprises a motor installed on the surface of the preheating box body, and a stirring rod extending into the preheating box body is installed at the output end of the motor; a plurality of stirring blades are uniformly and fixedly mounted on the surface of the stirring rod, a fixing rod is fixedly mounted at the bottom of the st