Aluminum processing sewage discharge monitoring system

The invention relates to an aluminum processing sewage discharge monitoring system, and belongs to the technical field of aluminum processing sewage treatment. The system comprises a monitoring device, a waste gas treatment device, an adjusting tank, an electrolytic tank and a sedimentation tank, the monitoring device comprises a PH detector, a hydrogen detector and an aluminum ion detector, and a first cover cap and a second cover cap are arranged above the adjusting tank and the electrolytic tank in a closed covering mode respectively; a stirring paddle is arranged in the adjusting tank; a first liquid inlet pipe, a first liquid outlet pipe and an adjusting liquid inlet pipe for conveying acid and alkali liquid are arranged on the cover surface of the first cover; a cathode plate and an anode aluminum plate are arranged in the electrolytic tank; a second liquid inlet pipe and a second liquid outlet pipe are arranged on the cover surface of the second cover; the sedimentation tank is provided with a third li