Circuit board pickling waste liquid purifying and collecting device

The circuit board pickling waste liquid purifying and collecting device comprises a machine body, the machine body is in a cuboid shape with an opening in the upper end, sealing doors are connected to the left side and the right side of the upper end of the machine body through hinges respectively, cavities are formed in the left side and the right side in the machine body respectively, and a mixing cavity is further formed in the center of the machine body; first slopes are arranged in the middles of the two cavities, the end faces of the inner sides of the first slopes and the outer side wall of the mixing cavity are arranged at intervals, the first slopes are obliquely and downwards arranged towards the inner sides, second slopes are further arranged at the lower ends of the two cavities, and the second slopes are obliquely and downwards arranged towards the outer sides; and an electric control door is arranged right above the inner side end surface of the first slope. The automatic liquid mixing and purif