Liquid level regulating device for electrolytic tank

The utility model discloses a liquid level regulating device for an electrolytic tank. The liquid level regulating device mainly consists of a computer (5), a transmission line (6), a pressure transformer (7) and a liquid level measuring device (8). The computer (5), the pressure transformer (7) and the liquid level measuring device (8) are connected via the transmission line (6). The upper part of a liquid downward tank (3) is connected with an air-release valve (1) and an air intake valve (2) through a pipeline; the air-release valve (1) and the air intake valve (2) are connected with the computer (5) through the transmission line (6); and a through hole (4) is arranged at the bottom of the liquid downward tank (3). The liquid level regulating device is controlled via the computer and has the advantages of high control precision, reliable stability, convenience in operation and the like; safety, stability and precision in the production process are guaranteed; the normal operation of the electrolytic tank i