Filtering and washing two-in-one stirring equipment for preparing positive electrode material of lithium battery

The invention discloses filtering and washing two-in-one stirring equipment for preparing a lithium battery positive electrode material, a stirrer comprises a hollow stirring shaft with a hollow pipeline, the hollow stirring shaft is provided with a plurality of transverse supporting rods, and the transverse supporting rods are communicated with the hollow pipeline; a plurality of transverse supporting rods are arranged on the main discharging port, a plurality of stirring blades are arranged between the transverse supporting rods, the stirring blades are hollow and communicated with the transverse supporting rods, a plurality of filtering holes are formed in the surfaces of the stirring blades, and the diameter of the filtering holes is smaller than the minimum diameter of solid particles in a medium; the lower end of the hollow stirring shaft is connected with a water outlet pipe, the water outlet pipe is connected with one outlet of a three-way valve, and the other outlet of the three-way valve is communic