Mine underground wastewater treatment system

The utility model discloses a treatment system for mine underground wastewater. The treatment system comprises a regulating tank, a reaction tank, a heavy metal ion treatment tank, a sedimentation tank, a clean water tank and a sludge collection tank, the heavy metal ion treatment tank is fixed in a top plate center groove of the reaction tank in a penetrating manner; the regulating tank is connected with the heavy metal ion reaction tank through a pipeline; a heavy metal ion reactor is arranged in the heavy metal ion reaction tank, the bottom end of the heavy metal ion reaction tank is connected with the sludge collecting tank through a blow-off pipe, and a pipeline communicated with the interior of the reaction tank is arranged at the side end of the heavy metal ion reaction tank; the reaction tank is connected with the sedimentation tank through a pipeline; supernate in the sedimentation tank is connected with the clean water tank through a pipeline, and the bottom end of the sedimentation tank is connecte