Waste liquid treatment device for rare earth production

The utility model belongs to the field of rare earth production, and particularly relates to a waste liquid treatment device for rare earth production, which comprises a liquid storage tank, one end of the liquid storage tank is fixedly connected with a drainage tube, one end of the liquid storage tank far away from the drainage tube is fixedly connected with four groups of foot stools, and the foot stools are respectively positioned in four directions of one end of the liquid storage tank. A dosing hole is formed in the top end of the liquid storage tank; the bottom of the liquid storage tank is fixedly connected with a separation tank through a second flow guide pipe, the bottom of the separation tank is fixedly connected with a first flow guide pipe, and a screening structure is arranged in a foot stool. Through the structural design of the screening device, the function of screening produced liquid and impurities is achieved, the problem that an existing waste liquid treatment device cannot completely sep