Ternary precursor preparation system

The utility model belongs to the technical field of lithium ion battery positive electrode material precursors, and particularly relates to a ternary precursor preparation system which comprises a reaction kettle, a stirring device, a transfer tank and a thickener, the stirring device comprises a motor and a stirring paddle arranged in the reaction kettle, and an overflow port of the reaction kettle is communicated with a feeding port pipeline of the transfer tank; a discharge port of the transfer tank is communicated with a feed port pipeline of the thickener, a discharge port of the thickener is respectively communicated with the first feed port of the reaction kettle and the feed port of the transfer tank through a first pipeline and a second pipeline, and the first pipeline and the second pipeline are respectively provided with a first valve and a second valve. The preparation system disclosed by the utility model is simple in structure, the nickel-cobalt-manganese ternary positive electrode material prec