EDTA (Ethylene Diamine Tetraacetic Acid) ferric sodium preparation device

The utility model is applicable to the technical field of EDTA (Ethylene Diamine Tetraacetic Acid) ferric sodium production equipment, and provides an EDTA ferric sodium preparation device which comprises a tank body and further comprises a stirring mechanism, the stirring mechanism comprises a hollow shaft rotationally arranged in the tank body, a plurality of stirring columns are arranged on the side wall of the hollow shaft, a plurality of auxiliary stirring columns are arranged on the side walls of the stirring columns, and the stirring columns are arranged on the side walls of the stirring columns. A plurality of exhaust holes are formed in the side wall of the auxiliary stirring column; and the air inlet part comprises an air pump, the air pump is connected with an air guide pipe, the end, away from the air pump, of the air guide pipe is connected with the end of the hollow shaft, and an air separation assembly used for controlling the opening and closing states of the exhaust holes through air pressure