Device for preparing anisidine hydrochloride

The utility model discloses a dianisidine hydrochloride preparation device which comprises a reaction kettle, a filtering device, a chromatographic separation device and a PLC (Programmable Logic Controller) control cabinet, the reaction kettle comprises a barrel body and a barrel cover, a heating device is arranged on the outer wall of the barrel body, a stirring device and a waste liquid pipe are arranged at the bottom of the barrel body, a plurality of detachable catalyst boxes are arranged in the middle of the inner wall of the barrel body, an air inlet pipe and an air outlet pipe are arranged on the upper half portion of the barrel body, an air pump is connected to the air inlet pipe, and an air outlet pipe is connected to the air outlet pipe. A plurality of feeding pipes and water adding pipes are arranged on the barrel cover; the discharging pipe is connected to a liquid adding pipe on the filtering device, and a liquid discharging pipe of the filtering device is connected to the interior of the chroma