Filtering device for battery wastewater treatment

The utility model discloses a filtering device for battery wastewater treatment, which comprises an electric flocculation treatment box, an acid-base blending box and a membrane filtering box, the top end of the membrane filtering box is provided with a front activated carbon adsorption box, the bottom end of the membrane filtering box is provided with a rear activated carbon adsorption box, the front end of the acid-base blending box is provided with a pH value monitor, and the rear end of the acid-base blending box is provided with a battery. An acid liquor inlet pipe is mounted on one side of the upper end of the acid-base blending box, and an alkali liquor inlet pipe is mounted on the other side of the upper end of the acid-base blending box; according to the utility model, small particles in water are polymerized into large floccules through the electric flocculation treatment box, so that the large floccules can be conveniently filtered by the membrane filtration box, the pH value of the wastewater is a