The utility model relates to a diethyl
zinc preparation device which comprises a reaction kettle, adding devices are arranged on the left side and the right side of the reaction kettle, the adding device for adding raw materials into the reaction kettle is arranged on the left side of the reaction kettle, the adding device for adding solvents into the reaction kettle is arranged on the right side of the reaction kettle, and a
microcontroller is arranged in the adding device on the left side. A plurality of through holes are formed in the side face of the reaction kettle, the adding device is connected with the through holes in the side face of the reaction kettle through a conveying
pipe, the conveying
pipe is arranged in a downward inclined mode, a
temperature control assembly capable of adjusting the temperature in the reaction kettle is arranged below the reaction kettle, a
vacuum pump is arranged on one side of the reaction kettle, and an air inlet of the
vacuum pump is connected with the interior of the reaction kettle. The air outlet is connected with air, and a stirring
assembly for rotationally stirring a solution in the reaction kettle is arranged in the reaction kettle. According to the utility model, raw materials and solvents can be automatically and accurately added into the device for stirring and preparation according to a certain amount, so that man-made errors are avoided, and the success rate of preparation is improved.