Mine underground water recycling system

The invention relates to the technical field of coal mine water treatment, in particular to a mine underground water recycling system. According to the technical scheme, the underground water recycling system for the mine comprises a dustproof pipe network and a water sump arranged in the underground coal mine, the water sump is divided into an inner ring water sump located at the high position and an outer ring water sump located at the low position, and multiple stages of clean water bins are arranged above the inner ring water sump and the outer ring water sump; the far end of the multi-stage clear water bin is connected to the outer ring water bin, the near end of the multi-stage clear water bin is connected to the inner ring water bin, a water tank upper water opening is connected to the near end of the multi-stage clear water bin through a water suction pipeline, a water tank lower water opening is connected with a water pump through a pipeline, and a water outlet of the water pump is connected into a d