Separating device for waste acid concentration

The utility model relates to a separation device for waste acid concentration, which belongs to the technical field of waste acid treatment and comprises circulation equipment, the circulation equipment comprises a cyclone hydraulic separator, the bottom of the cyclone hydraulic separator is communicated with a separation barrel, the top of the separation barrel is provided with a drainage cavity communicated with an underflow pipe, the center of the bottom of the drainage cavity is vertically communicated with a drainage pipe, and the drainage pipe extends into the bottom of the separation barrel. The separation barrel is detachably connected with the drainage cavity; and the side wall of the separation barrel is connected with a return pipe which is connected with an overflow pipe of the cyclone hydraulic separator. According to the cyclone hydraulic separator, the separation barrel and the return pipe are arranged at the bottom of the separator, the separation barrel can be used for separating impurities a