Geothermal exploitation front impurity removal equipment

The invention relates to the field of geothermal exploitation equipment, in particular to geothermal exploitation front impurity removal equipment which comprises a tank body with a water inlet formed in the bottom of one end and a water outlet formed in the top of the other end, and the inner space of the tank body is divided into a sedimentation bin and a cleaning bin through a partition plate in the water flow direction, the top of the partition plate is as high as the bottom end face of the water outlet; a medicament box is arranged on the tank body and is communicated with the precipitation bin through a filling mechanism; the equipment further comprises a first ring net belt tensioned by a plurality of tensioning rollers and an impurity removal mechanism, the impurity removal mechanism comprises an impurity removal roller making contact with a belt body below the horizontal portion of the first ring net belt, a storage box is arranged below the impurity removal roller, and one end of the storage box in