High-low liquid level alarm device of zinc hydrometallurgy system

The utility model discloses a high-low liquid level alarm device of a zinc hydrometallurgy system, and belongs to the technical field of zinc hydrometallurgy. Comprising a high-position alarm and a low-position alarm, the high-position alarm comprises two high-position probes arranged at the upper end of the inner wall of a liquid storage tank, the tail end of a power supply loop of the two high-position probes is connected to a 24V low-voltage power supply, and an acousto-optic element is connected to the power supply loop of the two high-position probes; the low-position alarm comprises two low-position probes arranged at the lower end of the inner wall of the liquid storage tank, the power supply tail ends of the two low-position probes are connected into a 24V low-voltage power supply, and an acousto-optic element and a relay are connected into a power supply loop of the two low-position probes. The device is simple in structure, convenient to operate and maintain and low in cost, the high-position alarm