Communicating type concentrated solution recharging device

The utility model relates to a communicated concentrated solution recharge device which comprises a plurality of recharge wells and an electric control device, each recharge well is correspondingly provided with a liquid level detection device; the recharge well comprises a well body, a perforated pipe, a liquid inlet pipe and an electric valve; the perforated pipes are inserted into the well bodies in a matched mode, and the upper portions of the perforated pipes in every two adjacent recharge wells are communicated through an overflow pipe. A filter screen covers the outer surface of the perforated pipe, and a filter material layer is arranged between the perforated pipe and the side wall and the bottom wall of the well body; the liquid inlet pipe is inserted into the perforated pipe, and the electric valve is mounted on the liquid inlet pipe; the liquid level detection device comprises a mounting rod, a high-level temperature sensor and a low-level temperature sensor; the mounting rod is inserted into the